A waste battery pretreatment device

Abstract

The application discloses a kind of waste battery pretreatment equipment, including: electrode batch milling device and recovery discharge device, electrode batch milling device includes: milling machine table, milling section feed conveyor, milling section discharge conveyor, measuring table, milling section discharge conveyor, stereoscopic warehouse cabinet: adaptive distribution adjustment structure contains discharge robot mounting table, feeding robot;Discharge device contains battery discharge setting frame, discharge module, copper sheet, heat dissipation structure, discharge limiting structure, double-path temperature detection structure;Current distribution structure contains several discharge cabinets, all discharge cabinets are connected to the same terminal, the number of discharge cabinets is one-to-one corresponding with the number and position of battery discharge setting frame, the encoder of measuring table is electrically connected with feeding robot, and feeding robot is electrically connected with discharge cabinet, the application can ensure that battery is discharged by the most suitable current in the corresponding stereoscopic warehouse, to ensure the safe discharge.

Description

Technical Field

[0001] This invention relates to a battery recycling device, and more particularly to a waste battery pretreatment device. Background Technology

[0002] Lithium batteries, as the main carrier of new energy, are composed of copper and aluminum foil, nickel, cobalt, lithium manganese salt, graphite, electrolyte, separator paper, etc. During the recycling process of lithium batteries, if the charged battery is squeezed or punctured during recycling, it may trigger this reaction, causing a fire or explosion. Therefore, the battery needs to be discharged before recycling. Most existing methods use resistive loads or special discharge equipment to slowly release residual electrical energy.

[0003] Traditional equipment mills the terminals before discharging the battery to remove oxide layers or other contaminants, improving contact stability. The battery is then moved to the discharge equipment for discharge. However, the biggest challenge in battery processing in the industry is that batteries from different manufacturers have different specifications. They not only differ in appearance (e.g., specifications, terminal positions), but also in capacity, residual capacity, and current threshold. If the same equipment is used for pre-processing of waste batteries, how to completely discharge them and ensure the safety of the discharge process are pain points that companies currently struggle to overcome.

[0004] Therefore, this case aims to provide a pre-processing equipment for waste batteries, which can not only perform batch and adaptive milling of battery terminals, but also measure the size of the batteries after milling, and allocate different discharge schemes according to the size of the batteries, thereby improving the overall discharge effect. Summary of the Invention

[0005] This invention provides a pre-treatment device for waste batteries, which can effectively solve the above-mentioned problems.

[0006] This invention is implemented as follows:

[0007] A waste battery pretreatment device includes: an electrode batch milling device and a recycling discharge device, wherein the electrode batch milling device includes:

[0008] A milling machine, wherein one end of the milling machine is provided with a milling section feed conveyor belt for transporting batteries, and the other end of the milling machine is connected to a milling section discharge conveyor belt;

[0009] An adjustable positioning platform is provided at the discharge end of the milling section feed conveyor belt. A milling transfer mechanism is provided on one side of the positioning platform. A movable milling structure for milling the battery is provided on the milling machine. A battery milling positioning structure is provided opposite to the milling structure. After the milling transfer mechanism transfers the battery to the positioning platform for positioning, the battery is clamped and fixed by the battery milling positioning structure. Then, the milling structure is moved to the position of the battery terminal for milling.

[0010] The recovery discharge device includes:

[0011] A measuring table for measuring battery dimensions, wherein a milling section discharge conveyor belt is provided on the side of the measuring table near the discharge point, and several three-dimensional storage cabinets are provided on both sides of the milling section discharge conveyor belt.

[0012] An adaptive distribution and adjustment structure includes a discharge robot mounting platform set on the discharge conveyor belt of the milling section. A loading and unloading robot is mounted on the discharge robot mounting platform. The loading and unloading robot clamps the batteries conveyed from the discharge conveyor belt of the milling section into the cabinet of an empty three-dimensional warehouse cabinet, and removes the discharged batteries and moves them to the discharge conveyor belt of the milling section.

[0013] The discharge device includes several battery discharge racks mounted on an automated storage cabinet. Each battery discharge rack has two discharge modules. A copper sheet is fixed to each discharge module, and the copper sheet is connected to the discharge cabinet via a terminal block.

[0014] The current distribution structure includes several discharge cabinets installed inside the automated storage and retrieval system. All the discharge cabinets are connected to the same terminal. The number of discharge cabinets corresponds one-to-one with the number and position of the battery discharge racks. The encoder of the measuring platform is electrically connected to the loading and unloading robot, and the loading and unloading robot is electrically connected to the discharge cabinets. When the loading and unloading robot transfers the measured battery to the corresponding battery discharge rack, the discharge cabinet corresponding to the battery discharge rack outputs a current of the corresponding magnitude according to the size of the battery.

[0015] As a further improvement, the milling transfer mechanism includes a milling gantry mounted on a milling machine table. The front and rear ends of the milling gantry are respectively provided with a front guide and a rear guide. A sliding clamping assembly is slidably mounted on the front guide, and a power guide seat is slidably mounted on the rear guide. The power guide seat is connected to the sliding clamping assembly through a corner plate. When the power guide seat is pushed out, the sliding clamping assembly clamps the battery and moves synchronously.

[0016] As a further improvement, the sliding gripping assembly includes a sliding mounting plate that slides with the front guide member. At least one gripping member is locked onto the sliding mounting plate. The gripping member includes a longitudinal guide rail connected to the sliding mounting plate. A longitudinal adjusting motor is locked to the top of the longitudinal guide rail. The bottom end of the longitudinal adjusting motor is connected to a longitudinal seat that slides with the longitudinal guide rail. A transverse mounting seat is locked to the bottom of the longitudinal seat. A transverse gripping frame is disposed within the transverse mounting seat. A transverse adjusting motor is disposed at the rear end of the transverse gripping frame. A fixed gripper is locked to one side of the front of the transverse gripping frame. A movable gripper is movably mounted to the other side of the front of the transverse gripping frame. The movable gripper is connected to the output end of the transverse adjusting motor. A guide gear is fixed to the middle of the transverse gripping frame. An upper toothed plate is locked onto the movable gripper. A lower toothed plate is provided on the fixed gripper and locked onto the transverse gripping frame. Both the upper and lower toothed plates mesh with the guide gear.

[0017] As a further improvement, the battery milling positioning structure includes a front positioning push rod fixed on the positioning table, a top positioning push rod provided at the upper end of the positioning table, and a pressure plate provided on both the front positioning push rod and the top positioning push rod.

[0018] As a further improvement, the milling structure includes a transverse fully enclosed lead screw module mounted on a milling machine table. The slider of the transverse fully enclosed lead screw module is connected to a milling mounting base. A longitudinal fully enclosed lead screw module is fixed on the milling mounting base, and a milling head is connected to the output end of the longitudinal fully enclosed lead screw module.

[0019] As a further improvement, a measuring platform is provided between the milling section's output conveyor belt and the milling machine. The measuring platform includes a first measuring frame, a second measuring frame, and a third measuring frame. The first measuring frame, the second measuring frame, and the third measuring frame are positioned by an encoder. A measuring frame loading platform is provided on the side of the measuring platform near the milling machine. The bottom of the measuring frame loading platform is driven by a loading platform push rod. A flat pusher is also provided on the milling machine. After the loading platform push rod lifts the measuring frame loading platform to be flush with the measuring platform, the flat pusher pushes the battery on the measuring frame loading platform onto the measuring platform.

[0020] As a further improvement, the discharge module is provided with a heat dissipation structure, which includes several heat dissipation fins and an external fan. The heat dissipation fins are arranged on four sides inside the aluminum base, and the external fan is arranged on the axial direction of one of the aluminum bases. The heat generated when the battery discharges is dissipated to the inner wall of the aluminum base through the heat dissipation fins and blown away by the external fan. The ends of the heat dissipation fins on the same side form an arc-shaped surface.

[0021] As a further improvement, the discharge module includes a module mounting base locked onto the battery discharge mounting frame, a hollow aluminum base locked onto the module mounting base, a copper sheet locked onto the aluminum base, the module mounting base including a module mounting plate for locking the aluminum base, a U-shaped plate integrally formed between the two module mounting plates, and a dual-channel temperature detection structure provided on the battery discharge mounting frame, the dual-channel temperature detection structure being positioned on the projection line of the opening of the U-shaped plate.

[0022] As a further improvement, the dual-channel temperature detection structure includes a first temperature sensor disposed on one side of the U-shaped plate, and a second temperature sensor disposed opposite the first temperature sensor.

[0023] As a further improvement, the battery discharge mounting rack is provided with a clearance slot, and the discharge module is provided with a discharge limiting structure facing upward. The discharge limiting structure includes a discharge push rod motor disposed inside the battery discharge mounting rack. A heightening plate that penetrates the clearance slot is connected to the baffle at the end of the discharge push rod motor. The width of the heightening plate is smaller than the width of the clearance slot. A lever plate is connected to the upper end of the heightening plate. A limit post is provided on the side of the lever plate away from the limit post. A guide post head is provided on the baffle at the end of the discharge push rod motor. The guide post head is sleeved on a discharge guide rod. The discharge guide rod is fixed to both ends inside the battery discharge mounting rack.

[0024] The beneficial effects of this invention are:

[0025] This invention, through its adjustable positioning stage, milling transfer mechanism, milling structure, and battery milling positioning structure, enables the milling transfer mechanism to move the battery fed by the milling section conveyor belt to the positioning stage, allowing the positioning stage to initially position the battery. The battery milling positioning structure then performs secondary positioning, ensuring that only the side of the battery facing the milling structure is active. Finally, the milling structure moves to the battery's terminal position to mill the battery. This ensures accurate positioning and location of the battery's terminals each time a battery is fed, guaranteeing that the battery terminals are milled cleanly for easy subsequent discharge.

[0026] During the battery positioning process using the positioning platform, the battery is actually positioned by positioning its left and right sides. Specifically, the battery is moved to the middle position of the battery support plate by a milling transfer mechanism, and then the positioning plate is pushed towards the middle by the retraction of the milling positioning motor, thereby fixing the battery in place.

[0027] Since the milling section feed conveyor belt cannot directly input the battery to the positioning table, the battery is moved into the positioning table by the milling transfer mechanism during the initial loading. In this invention, after the battery is clamped by the sliding clamping component, after the power guide seat is activated, the sliding clamping component is driven by the corner plate to make a linear motion, which completes the position change of the battery and moves it from the conveying station to the milling station for milling.

[0028] The sliding gripping assembly requires not only lateral movement but also longitudinal movement during unloading. Therefore, the sliding gripping assembly of this invention is equipped with more than one gripping component, enabling multi-station battery rotation and improving transfer efficiency. Each gripping component is equipped with a longitudinal adjustment motor and a longitudinal guide rail, which can realize longitudinal position adjustment, allowing the batteries to be loaded and unloaded smoothly. A lateral gripping frame is set on the longitudinal seat at the bottom of the longitudinal adjustment motor, thus enabling both longitudinal and lateral movement.

[0029] When gripping batteries, the horizontal gripper uses a method where one end is fixed and the other end is movable. Specifically, the movable gripper works in conjunction with a horizontal adjustment motor to accommodate batteries of different sizes. At the same time, the movement of the movable gripper is guided by the cooperation of guide gears, upper toothed plates, and lower toothed plates, making it less likely for the battery to fall out during gripping.

[0030] If the battery is fixed by the positioning table alone, it is easy to push the battery outward when the milling structure is milling the battery. Therefore, the battery milling positioning structure of the present invention is also provided with a front positioning push rod and a top positioning push rod, so that it can be fixed in four directions in combination with the positioning table.

[0031] Since different batteries have different specifications, the positions of the terminals also differ. Therefore, the milling structure of this invention has a certain degree of flexibility, and the position of the milling head can be changed by using a transverse fully enclosed lead screw module and a longitudinal fully enclosed lead screw module, thereby adapting to the terminal positions of different batteries.

[0032] Existing technologies utilize some automated storage and retrieval systems (AS / RS) for battery storage. However, the layout of the entire warehouse is narrow, the loading and unloading routes are complex, and the loading and unloading stages need to be completely separated. Furthermore, the small spacing between the compartments can easily affect the surrounding batteries. Therefore, this invention first adopts an adaptive distribution and adjustment structure, using robotic arms to replace manual loading and unloading, thereby avoiding the potential dangers of manual loading. The AS / RS cabinets are positioned at both ends, with the robotic arms positioned in the center, allowing them to reach each compartment of the AS / RS cabinets. During the loading intervals, the discharged batteries are removed, thus forming a virtuous cycle.

[0033] Because batteries have different specifications and different charge contents, discharging batteries of different specifications with the same current will either result in incomplete discharge or excessive temperature. Therefore, this invention uses a current distribution structure to set up multiple discharge cabinets in an automated storage cabinet, thereby achieving different current outputs on different battery discharge racks. First, the battery specifications are measured by a measuring table at the front end. Then, a loading and unloading robot clamps the battery onto any battery discharge rack. The discharge cabinet in the battery discharge rack is connected to the battery size information obtained by the loading and unloading robot, and the specifications are compared with the specifications pre-stored in the database. This outputs the optimal current corresponding to the battery size, allowing the battery to achieve the best discharge effect, discharging completely and very quickly.

[0034] Existing technologies directly use high current for discharge, resulting in very fast discharge speeds. However, under high power conditions, the battery temperature rises rapidly, easily leading to overheating, fire, spontaneous combustion, or explosion, posing a significant safety risk. Therefore, this invention addresses this by directly integrating a heat dissipation structure onto the discharge module and using a discharge limiting structure to push the battery into contact with the discharge module. This allows for timely heat dissipation into the discharge module and rapid discharge through it, enabling quick heat removal even at slightly higher currents and preventing battery overheating and fire.

[0035] To improve the heat dissipation of the discharge module and avoid the disadvantages of its solid structure, this invention makes the location where the copper plate of the discharge module is installed into a hollow aluminum base, thereby improving the overall heat dissipation effect.

[0036] To fully utilize the heat dissipation effect of the aluminum base, the present invention also sets heat dissipation fins inside the hollow aluminum base to allow heat to dissipate better. In order to guide the heat and prevent heat from accumulating inside the aluminum base, the present invention also sets an external fan along the axis of the aluminum base. The external fan can remove the heat in time, so that the battery temperature can always be kept within a relatively stable range.

[0037] To better monitor battery temperature, this invention employs a dual-path temperature detection structure, which simultaneously places a first temperature sensor and a second temperature sensor at the front and rear ends of the battery, respectively, to capture the battery temperature from the front and rear ends. This allows the robotic arm to promptly handle the situation when the battery temperature rises to a threshold, preventing any impact on the discharge process at other locations.

[0038] To ensure the stability of the entire discharge process and avoid instability, this invention sets up a discharge limiting structure to limit the battery. However, to avoid the possibility of fire affecting the discharge limiting structure, this invention sets the discharge limiting structure inside the battery discharge mounting frame, with only a lever protruding from the surface of the battery discharge mounting frame. The lever moves the battery to abut against the copper plate, and the abutment method at the end also facilitates heat dissipation to the outside. Attached Figure Description

[0039] To more clearly illustrate the technical solutions of the embodiments of the present invention, the accompanying drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of the present invention and should not be regarded as a limitation of the scope. For those skilled in the art, other related drawings can be obtained from these drawings without creative effort.

[0040] Figure 1 This is a schematic diagram of the structure of the present invention.

[0041] Figure 2 This is a three-dimensional structural schematic diagram (first perspective) of the electrode batch milling device of the present invention.

[0042] Figure 3 This is a three-dimensional structural schematic diagram (second perspective) of the electrode batch milling device of the present invention.

[0043] Figure 4 This is a top view schematic diagram of the electrode batch milling device of the present invention.

[0044] Figure 5 This is a schematic diagram of the positioning stage of the present invention.

[0045] Figure 6 This is the present invention. Figure 2 A magnified view of region A in the middle.

[0046] Figure 7 This is the present invention. Figure 3 A magnified view of region B in the middle.

[0047] Figure 8 This is a schematic diagram of the structure of the recovery discharge device of the present invention.

[0048] Figure 9 This is the present invention. Figure 8 A magnified view of region A in the middle.

[0049] Figure 10 This is the present invention. Figure 8 A top-view structural diagram.

[0050] Figure 11 This is a structural schematic diagram of the three-dimensional warehouse cabinet of the present invention.

[0051] Figure 12 This is the present invention. Figure 11 A side view structural diagram.

[0052] Figure 13 This is a schematic diagram of the discharge device of the present invention.

[0053] Figure 14 This is the present invention. Figure 13 A top-view structural diagram.

[0054] Figure 15 This is the present invention. Figure 13 A schematic diagram of the left-side view structure.

[0055] Figure 16 This is the present invention. Figure 13 A schematic diagram of the structure viewed from below.

[0056] In the picture:

[0057] Milling machine base 10, milling section feed conveyor belt 11, positioning table 12, positioning seat 121, milling positioning motor 122, positioning plate 123, milling transfer mechanism 13, milling gantry 131, front guide 132, rear guide 133, sliding clamping assembly 134, sliding mounting plate 1341, clamping component 1342, longitudinal guide rail 13421, longitudinal adjusting motor 13422, longitudinal seat 13423, transverse mounting seat 13 424. Lateral clamping frame; 13425. Lateral adjustment motor; 13426. Fixed gripper; 13427. Movable gripper; 13428. Guide gear; 13429. Upper gear plate; 134210. Lower gear plate; 134211. Power guide seat; 135. Front positioning push rod; 141. Top positioning push rod; 142. Lateral fully enclosed lead screw module; 151. Milling mounting base; 152. Longitudinal fully enclosed lead screw module; 153. Milling head; 154. Measuring platform 16, first measuring frame 161, second measuring frame 162, third measuring frame 163, measuring frame loading platform 171, flat pusher 173, battery discharge mounting frame 21, clearance slot 211, discharge module 22, module mounting base 221, module mounting plate 2211, U-shaped plate 2212, aluminum base 222, discharge limiting structure 23, discharge push rod motor 231, heightening plate 232, lever plate 233, guide column head 234. Discharge guide rod 235, dual-channel temperature detection structure 24, first temperature sensor 241, second temperature sensor 242, heat dissipation fins 251, external fan 252, limit post 26, copper sheet 27, three-dimensional warehouse cabinet 30, adaptive distribution and adjustment structure 31, discharge robot mounting platform 311, loading and unloading robot 312, dual-station mounting plate 3121, transfer station 3122, bidirectional clamping motor group 3123, discharge cabinet 32. Detailed Implementation

[0058] All embodiments of the present invention are intended to fall within the scope of protection of the present invention. Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely to illustrate selected embodiments of the invention. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without inventive effort are within the scope of protection of the present invention.

[0059] In the description of this invention, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating that the purpose, technical solution, and advantages of the method are clearer. The technical solutions in the embodiments of this invention 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 invention, not all of them. Based on the embodiments of this invention, all other embodiments obtained by those skilled in the art without inventive effort indicate or imply the relative importance of the indicated technical features. Therefore, features defined with "first" and "second" may explicitly or implicitly include one or more of that feature. In the description of this invention, "a plurality of" means two or more, unless otherwise explicitly specified.

[0060] Reference Figures 1 to 16 As shown, a waste battery pretreatment device includes: an electrode batch milling device and a recycling discharge device. The electrode batch milling device includes: a milling machine 10, one end of which is provided with a milling section feed conveyor belt 11 for transporting batteries, and the other end of which is connected to a milling section discharge conveyor belt. An adjustable positioning table 12 is provided at the discharge end of the milling section feed conveyor belt 11. A milling transfer mechanism 13 is provided on one side of the positioning table 12. The milling machine 10 is provided with a movable milling structure for milling batteries. A battery milling positioning structure is provided opposite to the milling structure. After the milling transfer mechanism 13 transfers the battery to the positioning table 12 for positioning, the battery is clamped and fixed by the battery milling positioning structure, and then the milling structure is moved to the position of the battery terminal for milling.

[0061] Existing technologies typically involve manually fixing the battery in a fixed position and then aligning a fixed milling head with the terminal to mill it. While this method achieves the desired milling effect, it is extremely inefficient, processing only a few dozen batteries per day. Furthermore, it requires dedicated personnel and has poor adaptability. Therefore, this invention, through its adjustable positioning platform 12, milling transfer mechanism 13, milling structure, and battery milling positioning structure, allows the milling transfer mechanism 13 to move the battery fed from the milling section's feed conveyor belt 11 onto the positioning platform 12, where the platform initially positions the battery. The battery milling positioning structure then performs secondary positioning, ensuring that only the side of the battery facing the milling structure is movable. Finally, the milling structure moves to the battery's terminal position to mill the battery. This ensures accurate positioning and location of the battery's terminal each time a battery is fed in, guaranteeing that the battery's terminals are milled cleanly for easy subsequent discharge.

[0062] During the positioning process of the battery by the positioning platform 12, the battery is actually positioned by the left and right sides. Specifically, the positioning platform 12 includes a hollow positioning seat 121. A battery support plate is provided on the top of the positioning seat 121. At least one milling positioning motor 122 is provided inside the positioning seat 121. A positioning plate 123 is connected to the output end of the milling positioning motor 122. When the milling positioning motor 122 is activated, the two sides of the battery are fixed by the positioning plate 123. The battery is moved to the middle position of the battery support plate by the milling transfer mechanism 13. Then, the retraction of the milling positioning motor 122 pushes the positioning plate 123 towards the middle, thereby fixing the battery. The front end of the positioning seat 121 is also provided with a chip conveying groove to discharge the chips during milling to the outside.

[0063] Since the milling section feed conveyor belt 11 cannot directly input the battery into the positioning table 12, the battery is initially moved into the positioning table 12 by the milling transfer mechanism 13. In this embodiment, the milling transfer mechanism 13 includes a milling gantry 131 mounted on the milling machine table 10. The front and rear ends of the milling gantry 131 are respectively provided with a front guide member 132 and a rear guide member 133. A sliding clamping assembly 134 is slidably mounted on the front guide member 132, and a power guide seat 135 is slidably mounted on the rear guide member 133. The power guide seat 135 is connected to the sliding clamping assembly 134 via a corner plate. When the power guide seat 135 is pushed out, the sliding clamping assembly 134 clamps the battery and moves synchronously. After the battery is clamped by the sliding clamping assembly 134, the sliding clamping assembly 134 moves linearly via the corner plate after the power guide seat 135 moves, thus completing the position change of the battery from the conveying station to the milling station for milling. The front guide 132 and the rear guide 133 both play a guiding role to prevent the battery from tilting and falling off during transfer.

[0064] The sliding gripping assembly 134 requires not only lateral movement but also longitudinal movement during unloading. Therefore, in this embodiment, the sliding gripping assembly 134 includes a sliding mounting plate 1341 that slides with the front guide member 132. At least one gripping member 1342 is locked onto the sliding mounting plate 1341. The gripping member 1342 includes a longitudinal guide rail 13421 connected to the sliding mounting plate 1341. A longitudinal adjustment motor 13422 is locked to the top of the longitudinal guide rail 13421, and the bottom end of the longitudinal adjustment motor 13422 is connected to a longitudinal seat 13423 that slides with the longitudinal guide rail 13421. A horizontal mounting base 13424 is locked to the bottom of 3423. A horizontal clamping frame 13425 is provided inside the horizontal mounting base 13424. The sliding clamping assembly 134 first carries more than one clamping piece 1342, so that the battery can be rotated at multiple stations, improving the efficiency of transfer. Each clamping piece 1342 is equipped with a longitudinal adjustment motor 13422 and a longitudinal guide rail 13421, which can realize the adjustment of the longitudinal position, so that the battery can be loaded and unloaded smoothly. The horizontal clamping frame 13425 is set on the longitudinal seat 13423 at the bottom of the longitudinal adjustment motor 13422, so that both longitudinal and lateral movement can be realized.

[0065] When gripping a battery, the horizontal gripper 13425 uses a method where one end is fixed and the other end is movable. Specifically, a horizontal adjustment motor 13426 is provided at the rear end of the horizontal gripper 13425. A fixed gripper 13427 is locked to one side of the front of the horizontal gripper 13425, and a movable gripper 13428 is movably installed on the other side of the front of the horizontal gripper 13425. The movable gripper 13428 is connected to the output end of the horizontal adjustment motor 13426. A guide gear 13429 is fixed in the middle of the horizontal gripper 13425. An upper toothed plate 134210 is locked to the 8th component. The fixed gripper 13427 is provided with a lower toothed plate 134211 locked to the transverse gripper 13425. The upper toothed plate 134210 and the lower toothed plate 134211 are both engaged with the guide gear 13429. This allows the movable gripper 13428 to cooperate with the transverse adjustment motor 13426, thereby adapting to batteries of different specifications. At the same time, the cooperation of the guide gear 13429, the upper toothed plate 134210, and the lower toothed plate 134211 guides the movement of the movable gripper 13428, making it less likely for the battery to fall off during clamping.

[0066] If the battery is fixed only by the positioning table 12, it is easy to push the battery outward when the milling structure is milling the battery. Therefore, the battery milling positioning structure in this embodiment includes a front positioning push rod 141 fixed on the positioning table 12. A top positioning push rod 142 is provided at the upper end of the positioning table 12. Both the front positioning push rod 141 and the top positioning push rod 142 are provided with pressure plates. The battery milling positioning structure is also provided with the front positioning push rod 141 and the top positioning push rod 142 respectively, so that it can be fixed in four directions in combination with the positioning table 12.

[0067] Since different batteries have different specifications, the positions of the terminals also differ. Therefore, the milling structure in this embodiment includes a transverse fully enclosed lead screw module 151 mounted on a milling machine 10. The slider of the transverse fully enclosed lead screw module 151 is connected to a milling mounting base 152. A longitudinal fully enclosed lead screw module 153 is fixed on the milling mounting base 152. A milling head 154 is connected to the output end of the longitudinal fully enclosed lead screw module 153. The milling structure has a certain degree of mobility, and the position of the milling head 154 can be changed by the transverse fully enclosed lead screw module 151 and the longitudinal fully enclosed lead screw module 153, thereby adapting to the terminal positions of different batteries.

[0068] After the battery milling is completed, it needs to be discharged at the next workstation. Before discharging, the battery specifications need to be known. Therefore, in this embodiment, a measuring table 16 is set between the milling section output conveyor belt and the milling machine table 10. The measuring table 16 includes a first measuring frame 161, a second measuring frame 162, and a third measuring frame 163. The first measuring frame 161, the second measuring frame 162, and the third measuring frame 163 are positioned by an encoder. Through the positioning of the three measuring frames, the encoder can compare its own position with the received coordinate signal to determine the battery specifications, which is convenient for subsequent discharge current matching.

[0069] To ensure that the battery can be moved from the milling machine table 10 to the measuring table 16, a measuring frame loading platform 171 is provided on the side of the measuring table 16 near the milling machine table 10 in this embodiment. The bottom of the measuring frame loading platform 171 is driven by a loading platform push rod. A flat pusher 173 is also provided on the milling machine table 10. After the loading platform push rod lifts the measuring frame loading platform 171 to be flush with the measuring table 16, the flat pusher 173 pushes the battery on the measuring frame loading platform 171 to the measuring table 16.

[0070] The recycling and discharging device includes: a measuring platform 16 for measuring battery dimensions, a milling section discharge conveyor belt on the side of the measuring platform 16 near the discharge end, and several automated storage cabinets 30 on both sides of the milling section discharge conveyor belt; an adaptive distribution and adjustment structure 31, including a discharge robot mounting platform 311 mounted on the milling section discharge conveyor belt, on which loading and unloading robots 312 are mounted. The loading and unloading robots 312 clamp the batteries transported from the milling section discharge conveyor belt into the cabinets of the empty automated storage cabinets 30, and remove the discharged batteries and move them to the milling section discharge conveyor belt; and a discharge device, including several battery discharge mounting racks 21 mounted on the automated storage cabinets 30, each battery discharge mounting rack 21 having two discharge modules 22, with copper plates 27 fixedly connected to each discharge module 22. The copper plates 27 are connected to the discharge cabinets 32 via terminals. The system includes a heat dissipation structure, a discharge limiting structure 23 on the opposite side of the discharge module 22, and a dual-channel temperature detection structure 24 on the battery discharge rack 21. When the robot loads the battery onto the battery discharge rack 21, the discharge limiting structure 23 pushes the battery onto the discharge module 22, causing the battery terminals to contact the copper sheet 27 and energize the terminals to discharge the battery. The current distribution structure includes several discharge cabinets 32 located inside the automated storage cabinet 30. All discharge cabinets 32 are connected to the same terminal, and the number of discharge cabinets 32 corresponds one-to-one with the number and position of the battery discharge racks 21. The encoder of the measuring platform 16 is electrically connected to the loading / unloading robot 312, which is also electrically connected to the discharge cabinets 32. When the loading / unloading robot 312 transfers the measured battery to the corresponding battery discharge rack 21, the discharge cabinet 32 ​​of the corresponding battery discharge rack 21 outputs a current of the appropriate magnitude according to the battery size.

[0071] Existing technologies employ some automated storage and retrieval systems (AS / RS) for battery storage. However, the layout of the entire warehouse is narrow, the loading and unloading paths are complex, and the loading and unloading stages need to be completely separated. Furthermore, the small spacing between the compartments can easily affect the surrounding batteries. Therefore, this invention first adopts an adaptive distribution and adjustment structure 31, using a loading and unloading robot 312 to replace manual loading and unloading, thereby avoiding potential dangers associated with manual loading. The AS / RS cabinet 30 is positioned at both ends, with the loading and unloading robot 312 positioned in the center, allowing it to reach each compartment of the AS / RS cabinet 30. During the loading interval, the discharged batteries are removed, thus forming a virtuous cycle.

[0072] To reduce the number of loading / unloading robots 312 and avoid multiple reciprocating movements of the loading / unloading robots 312, the output end of the loading / unloading robot 312 of the present invention is provided with a dual-station mounting plate 3121. The lower end of the dual-station mounting plate 3121 is provided with two transfer stations 3122. The transfer stations 3122 are provided with bidirectional clamping motor units 3123, so that the unloading of the other station can be completed while loading, thereby reducing the number of processes.

[0073] Because batteries have different specifications and different charge contents, if batteries of different specifications are discharged with the same current, either incomplete discharge or excessive temperature will occur. Therefore, this invention uses a current distribution structure to set up multiple discharge cabinets 32 in the automated storage cabinet 30, so that different current outputs can be achieved in different battery discharge racks 21. First, the battery specifications are measured by the measuring table 16. Then, the loading and unloading robot 312 clamps the battery to any battery discharge rack 21. The discharge cabinet 32 ​​in the battery discharge rack 21 is connected with the battery size information obtained by the loading and unloading robot 312, and the specifications are compared with the specifications stored in the database, so as to output the optimal current corresponding to the battery size, so that the battery in the discharge can achieve the best discharge effect, and the discharge is thorough and fast.

[0074] Existing technologies directly use high current for discharge, resulting in very fast discharge speeds. However, under high power conditions, the battery temperature rises rapidly, easily leading to overheating, fire, spontaneous combustion, or explosion, posing a significant safety risk. Therefore, this invention addresses this by directly mounting a heat dissipation structure on the discharge module 22 and using a discharge limiting structure 23 to push the battery into contact with the discharge module 22. This allows heat to be promptly dissipated into the discharge module 22 and quickly discharged, thus preventing overheating and fire even with slightly higher currents.

[0075] To improve the heat dissipation effect of the discharge module 22 and avoid the disadvantage of solid structure in heat dissipation, the discharge module 22 in this embodiment includes a module mounting base 221 locked on the battery discharge mounting frame 21. A hollow aluminum base 222 is locked on the module mounting base 221, and the copper sheet 27 is locked on the aluminum base 222. The position where the copper sheet 27 of the discharge module 22 is installed is made into a hollow aluminum base 222, which can improve the overall heat dissipation effect. The module mounting base 221 provides certain support and fixation, so that the aluminum base 222 has a certain pressure bearing capacity.

[0076] To fully utilize the heat dissipation effect of the aluminum base 222, the heat dissipation structure in this embodiment includes several heat dissipation fins 251 and an external fan 252. The heat dissipation fins 251 are disposed on the four sides inside the aluminum base 222, and the external fan 252 is disposed on the axial direction of one of the aluminum bases 222. The heat generated during battery discharge is dissipated to the inner wall of the aluminum base 222 through the heat dissipation fins 251 and blown away by the external fan 252. The heat dissipation fins 251 are disposed inside the hollow aluminum base 222 to better dissipate heat. In order to guide the heat and avoid heat accumulation inside the aluminum base 222, the present invention also provides an external fan 252 on the axial direction of the aluminum base 222. The external fan 252 can dissipate heat in a timely manner, so that the battery temperature can always be kept within a relatively stable range.

[0077] In order to make the heat dissipation fins 251 as long as possible, the ends of the heat dissipation fins 251 on the same side in this embodiment are formed into an arc-shaped surface, so that the heat dissipation fins 251 can achieve the maximum heat dissipation effect without affecting each other.

[0078] To improve overall strength and make room for the dual-channel temperature detection structure 24 during installation, the module mounting base 221 in this embodiment includes a module mounting plate 2211 for locking the aluminum base 222. A U-shaped plate 2212 is integrally formed between the two module mounting plates 2211. The dual-channel temperature detection structure 24 is arranged on the projection line of the opening of the U-shaped plate 2212. Through the integrally formed module mounting plate 2211 and U-shaped plate 2212, the temperature control of the module mounting base 221 is enhanced.

[0079] To better monitor the battery temperature, the dual-channel temperature detection structure 24 in this embodiment includes a first temperature sensor 241 disposed on one side of the U-shaped plate 2212, and a second temperature sensor 242 disposed opposite to the first temperature sensor 241. The dual-channel temperature detection structure 24 means that the first temperature sensor 241 and the second temperature sensor 242 are disposed at the front and rear ends of the battery, respectively, to capture the battery temperature from the front and rear ends. When the battery temperature rises to the threshold, it can be processed in time by the robotic arm to avoid affecting the discharge operation at other locations.

[0080] To ensure the stability of the entire discharge process and avoid instability, this invention sets up a discharge limiting structure 23 to limit the battery. However, to avoid the possibility of fire affecting the discharge limiting structure 23, the battery discharge mounting frame 21 in this embodiment is provided with a clearance groove 211. The discharge limiting structure 23 includes a discharge push rod motor 231 disposed inside the battery discharge mounting frame 21. A heightening plate 232 that penetrates the clearance groove 211 is connected to the baffle at the end of the discharge push rod motor 231. The width of the heightening plate 232 is smaller than the width of the clearance groove 211. A lever 233 is connected to the upper end of the heightening plate 232. The discharge limiting structure 23 is disposed inside the battery discharge mounting frame 21, with only the lever 233 protruding from the surface of the battery discharge mounting frame 21. The lever 233 moves the battery to abut against the copper plate, and the abutment method at the end also facilitates heat dissipation to the outside.

[0081] During the retraction of the lever 233, a limit post 26 is provided on the side of the lever 233 away from its position to limit its movement. In order to ensure the stability of the discharge push rod motor 231 during its movement, a guide post 234 is provided on the baffle at the end of the discharge push rod motor 231. The guide post 234 is sleeved on a discharge guide rod 235. The discharge guide rod 235 is fixed at both ends inside the battery discharge mounting frame 21 so that the discharge push rod motor 231 can be guided when it is pushed forward and retracted.

[0082] The above description is merely a preferred embodiment of the present invention and is not intended to limit the invention. Various modifications and variations can be made to the invention by those skilled in the art. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of the invention should be included within the scope of protection of the invention.

Claims

1. A pre-treatment device for waste batteries, characterized in that, include: Electrode batch milling device and recovery discharge device The electrode batch milling device includes: a milling machine (10), one end of which is provided with a milling section feed conveyor belt (11) for transporting batteries, and the other end of which is connected to a milling section discharge conveyor belt; an adjustable positioning table (12) is provided at the discharge end of the milling section feed conveyor belt (11), a milling transfer mechanism (13) is provided on one side of the positioning table (12), and a movable milling structure for milling batteries is provided on the milling machine (10), and a battery milling positioning structure is provided on the opposite side of the milling structure; The recycling discharge device includes: a measuring platform (16) for measuring the size of the battery, a milling section discharge conveyor belt is provided on the side of the measuring platform (16) near the discharge, several three-dimensional storage cabinets (30) are provided on both sides of the milling section discharge conveyor belt, an adaptive distribution adjustment structure (31) including a discharge robot mounting platform (311) provided on the milling section discharge conveyor belt, and a loading and unloading robot (312) is installed on the discharge robot mounting platform (311). The discharge device includes several battery discharge racks (21) installed on the automated storage cabinet (30). Two discharge modules (22) are installed on each battery discharge rack (21). Copper sheets (27) are fixedly connected to each discharge module (22). The copper sheets (27) are connected to the discharge cabinet (32) through terminals. The current distribution structure includes several discharge cabinets (32) set inside the three-dimensional warehouse cabinet (30). All the discharge cabinets (32) are connected to the same terminal. The number of discharge cabinets (32) corresponds one-to-one with the number and position of the battery discharge racks (21). The encoder of the measuring table (16) is electrically connected to the loading and unloading robot (312). The loading and unloading robot (312) is electrically connected to the discharge cabinets (32). When the loading and unloading robot (312) transfers the measured battery to the corresponding battery discharge rack (21), the discharge cabinet (32) corresponding to the battery discharge rack (21) outputs a current of the corresponding size according to the size of the battery.

2. The waste battery pretreatment equipment according to claim 1, characterized in that, The milling transfer mechanism (13) includes a milling gantry (131) mounted on a milling machine table (10). The front and rear ends of the milling gantry (131) are respectively provided with a front guide (132) and a rear guide (133). A sliding clamping assembly (134) is slidably mounted on the front guide (132), and a power guide seat (135) is slidably mounted on the rear guide (133). The power guide seat (135) is connected to the sliding clamping assembly (134) through a corner plate. When the power guide seat (135) is pushed out, the sliding clamping assembly (134) clamps the battery and moves synchronously.

3. The waste battery pretreatment equipment according to claim 2, characterized in that, The sliding gripping assembly (134) includes a sliding mounting plate (1341) that slides with the front guide member (132). At least one gripping member (1342) is locked onto the sliding mounting plate (1341). The gripping member (1342) includes a longitudinal guide rail (13421) connected to the sliding mounting plate (1341). A longitudinal adjusting motor (13422) is locked to the top of the longitudinal guide rail (13421). The bottom end of the longitudinal adjusting motor (13422) is connected to a longitudinal seat (13423) that slides with the longitudinal guide rail (13421). A transverse mounting seat (13424) is locked to the bottom of the longitudinal seat (13423). A transverse gripping frame (13425) is disposed within the transverse mounting seat (13424). A lateral adjustment motor (13426) is provided at the rear end. A fixed gripper (13427) is locked on one side of the front of the lateral gripper (13425). A movable gripper (13428) is movably installed on the other side of the front of the lateral gripper (13425). The movable gripper (13428) is connected to the output end of the lateral adjustment motor (13426). A guide gear (13429) is fixed in the middle of the lateral gripper (13425). An upper toothed plate (134210) is locked on the movable gripper (13428). A lower toothed plate (134211) is provided on the fixed gripper (13427) and locked on the lateral gripper (13425). The upper toothed plate (134210) and the lower toothed plate (134211) are both meshed with the guide gear (13429).

4. The waste battery pretreatment equipment according to claim 1, characterized in that, The battery milling positioning structure includes a front positioning push rod (141) fixed on a positioning table (12), and a top positioning push rod (142) is provided at the upper end of the positioning table (12). Both the front positioning push rod (141) and the top positioning push rod (142) are provided with pressure plates.

5. The waste battery pretreatment equipment according to claim 1, characterized in that, The milling structure includes a transverse fully enclosed lead screw module (151) mounted on a milling machine (10). The slider of the transverse fully enclosed lead screw module (151) is connected to a milling mounting base (152). A longitudinal fully enclosed lead screw module (153) is fixed on the milling mounting base (152). A milling head (154) is connected to the output end of the longitudinal fully enclosed lead screw module (153).

6. The waste battery pretreatment equipment according to claim 1, characterized in that, A measuring platform (16) is provided between the milling section discharge conveyor belt and the milling machine (10). The measuring platform (16) includes a first measuring frame (161), a second measuring frame (162), and a third measuring frame (163). The first measuring frame (161), the second measuring frame (162), and the third measuring frame (163) are positioned by an encoder. A measuring frame loading platform (171) is provided on the side of the measuring platform (16) close to the milling machine (10). The bottom of the measuring frame loading platform (171) is driven by a loading platform push rod. A flat pusher (173) is also provided on the milling machine (10). After the loading platform pusher lifts the measuring frame loading platform (171) to be flush with the measuring platform (16), the flat pusher (173) pushes the battery on the measuring frame loading platform (171) to the measuring platform (16).

7. The waste battery pretreatment equipment according to claim 1, characterized in that, The discharge module (22) is provided with a heat dissipation structure, which includes a number of heat dissipation fins (251) and an external fan (252). The heat dissipation fins (251) are arranged on four sides inside the aluminum base (222), and the external fan (252) is arranged on the axial direction of one of the aluminum bases (222). The heat generated when the battery discharges is dissipated through the heat dissipation fins (251) to the inner wall of the aluminum base (222) and blown away by the external fan (252). The ends of the heat dissipation fins (251) on the same side form an arc-shaped surface.

8. The waste battery pretreatment equipment according to claim 1, characterized in that, The discharge module (22) includes a module mounting base (221) locked onto the battery discharge mounting frame (21). A hollow aluminum base (222) is locked onto the module mounting base (221). The copper sheet (27) is locked onto the aluminum base (222). The module mounting base (221) includes a module mounting plate (2211) for locking the aluminum base (222). A U-shaped plate (2212) is integrally formed between the two module mounting plates (2211). A dual-channel temperature detection structure (24) is provided on the battery discharge mounting frame (21). The dual-channel temperature detection structure (24) is located on the projection line of the opening of the U-shaped plate (2212).

9. The waste battery pretreatment equipment according to claim 8, characterized in that, The dual-channel temperature detection structure (24) includes a first temperature sensor (241) disposed on one side of the U-shaped plate (2212), and a second temperature sensor (242) disposed opposite the first temperature sensor (241).

10. The waste battery pretreatment equipment according to claim 1, characterized in that, The battery discharge mounting frame (21) is provided with a clearance groove (211). The discharge module (22) is provided with a discharge limiting structure (23) facing upward. The discharge limiting structure (23) includes a discharge push rod motor (231) provided inside the battery discharge mounting frame (21). A heightening plate (232) that penetrates the clearance groove (211) is connected to the baffle at the end of the discharge push rod motor (231). The width of the heightening plate (232) is smaller than the width of the clearance groove (211). A lever plate (233) is connected to the upper end of the heightening plate (232). A limit post (26) is provided on the side away from the lever plate (233). A guide column head (234) is provided on the baffle at the end of the discharge push rod motor (231). The guide column head (234) is sleeved on a discharge guide rod (235). The discharge guide rod (235) is fixed at both ends inside the battery discharge mounting frame (21).

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