A product separation and collection device for a retired lithium-ion battery positive electrode active material recovery cabin

Abstract

The present invention discloses a product separation and collection device for a retired lithium-ion battery positive electrode active material recovery cabin, which relates to the technical field of lithium-ion battery recovery, and includes a recovery cabin, wherein the bottom end of the recovery cabin is fixedly mounted on a bottom plate, and assembly holes are provided at the four corners of the bottom plate, and an operation window is provided on the surface of the recovery cabin, and a pair of guide rings are provided on the outer surface of the operation window, and the pair of guide rings are fixedly mounted on the surface of the recovery cabin, and a slide groove is provided on the guide ring, and the interior of the slide groove is slidably connected to a cabin door, and a handle is fixedly connected to the surface of the cabin door, and a screw is threadedly connected to the guide ring, and the other end of the screw is attached to the cabin door. The present invention has a reasonable structure, and realizes that the positive electrode material of the lithium-ion battery is decomposed by the pulse discharge equipment on the processing component to produce positive electrode active substances, and then the positive electrode active substances are recovered through the ring belt, and the substances inside the ring belt are collected by the rotation of the cleaning brush.

Description

Technical Field

[0001] The present invention relates to the technical field of lithium ion battery recycling, and in particular to a product separation and collection device for a positive electrode active material recovery chamber of a retired lithium ion battery. Background Art

[0002] The recycling industry of used lithium-ion batteries is developing rapidly. It can reduce the problems of excessive consumption of resources and environmental pollution. The market development prospects are very promising, and the economic and social benefits are also very significant. Therefore, it is very important to strengthen the research and application of recycling and reuse technology of used lithium-ion batteries. The recycling of used lithium-ion batteries is to separate the useful components in the battery according to their physical and chemical properties, so as to achieve the harmless treatment of positive active materials and the reuse of resources.

[0003] When recycling existing lithium-ion batteries, due to the immature technology of decomposing and recycling waste power lithium-ion batteries, the consistency of lithium-ion battery cells cannot be guaranteed, resulting in retired lithium-ion batteries being prone to battery short circuit and overheating during repeated charge and discharge, causing electrolyte combustion or even explosion and fire. The state of waste power lithium-ion batteries is unstable. If they are not properly packaged and safely handled during transportation, they may also cause short circuit, fire, or even explosion. Therefore, the present application provides a product separation and collection device for a retired lithium-ion battery positive electrode active material recovery cabin to meet the needs. Summary of the invention

[0004] The purpose of the present application is to provide a product separation and collection device for a positive electrode active material recovery cabin of retired lithium-ion batteries, which realizes the decomposition of the positive electrode materials of the lithium-ion batteries by pulse discharge through the pulse discharge equipment on the processing component to produce positive electrode active substances, and then the positive electrode active substances are recovered through the ring belt, and the substances inside the ring belt are collected by the rotation of the cleaning brush.

[0005] To achieve the above-mentioned purpose, the present application provides the following technical solutions: a product separation and collection device for a recycling cabin of positive active materials of retired lithium-ion batteries, comprising a recycling cabin, the bottom end of the recycling cabin is fixedly mounted on a bottom plate, assembly holes are provided at the four corners of the bottom plate, an operation window is provided on the surface of the recycling cabin, a pair of guide rings are provided on the outer surface of the operation window, a pair of guide rings are fixedly mounted on the surface of the recycling cabin, a slide groove is provided on the guide ring, the interior of the slide groove is slidably connected to a cabin door, a handle is fixedly connected to the surface of the cabin door, a screw is threadedly connected to the guide ring, the other end of the screw is attached to the cabin door, a top cover is attached to the top of the recycling cabin, a circular hole is provided at the center of the top cover; it also includes a pulling assembly, a processing assembly and a fixing assembly, the pulling assembly is used in conjunction with the processing assembly, the processing assembly is used to recycle and use lithium-ion batteries, and the fixing assembly is used in conjunction with the top cover.

[0006] Preferably, the lifting assembly includes a mounting base fixedly mounted on the top of the top cover, a servo motor is fixedly mounted on the mounting base, a rotating rod is fixedly connected to the output end of the servo motor, a first fixing base is sleeved on the rotating rod, and the bottom end of the first fixing base is fixedly connected to the top cover.

[0007] Preferably, a winding roller is fixedly mounted on the rotating rod, and a first pull rope is fixedly connected to the winding roller.

[0008] Preferably, a pair of second fixing seats are fixedly mounted on the top cover, a fixing rod is rotatably connected between the pair of second fixing seats, a pulley is fixedly mounted on the fixing rod, and the first pull rope is attached to the pulley.

[0009] Preferably, the processing assembly includes a supporting truss fixedly connected to the other end of the first pull rope, a frame fixedly connected to the supporting truss, a pair of mounting plates fixedly mounted on the frame by bolts, and a pulse discharge device fixedly mounted on the bottom ends of the pair of mounting plates.

[0010] Preferably, second pull ropes are fixedly connected to the four corners of the frame, the other ends of the second pull ropes are fixedly connected to a ring belt, and the ring belt is slidably connected to the bottom of the recovery cabin.

[0011] Preferably, the annular belt is a concentric circular groove of a plurality of concentric circular partitions, the upper portion of the concentric circular groove is open, and the bottom of the annular belt is closed with fine mesh.

[0012] Preferably, a receiving groove is provided in the middle of the ring belt, a driving motor is installed inside the receiving groove, an output end of the driving motor is fixedly connected to a main shaft, a cover plate is sleeved on the main shaft, and the cover plate is fixedly installed on the top end of the ring belt.

[0013] Preferably, a rotating arm is fixedly installed on the top of the main shaft, a connecting shaft is fixedly connected to the bottom end of the rotating arm, a baffle is fixedly connected to the bottom end of the connecting shaft, a cleaning brush is fixedly connected to the bottom end of the baffle, the cleaning brush fits in the concentric groove, a card slot is opened at the bottom end of the concentric groove, and a buckle is inserted into the inside of the card slot.

[0014] Preferably, the fixing assembly includes an axle rod seat fixedly mounted on the surface of the recovery cabin, the axle rod seat is rotatably connected to an axle pin, the axle pin is fixedly connected to a threaded rod, the threaded rod is threadedly connected to a nut, the top cover is fixedly connected to a clamping block, and a limiting groove is provided on the clamping block.

[0015] In summary, the technical effects and advantages of the present invention are as follows:

[0016] 1. The structure of the present invention is reasonable. When the pulse discharge device on the mounting plate needs to be moved to the water at the bottom of the recovery cabin, the servo motor is operated by the control unit. A rotating rod is fixedly connected to the output end of the servo motor. The rotating rod is rotated by the operation of the servo motor. A winding roller is also fixedly connected to the rotating rod, and a first pull rope is fixedly connected to the winding roller. The first pull rope is on the pulley. The winding roller pays out the first pull rope through the rotation of the rotating rod. Since the first pull rope is attached to the pulley, the pulley is rotated through the pay-out operation of the first pull rope. The pulley is fixedly installed on the fixed rod, and the two ends of the fixed rod are rotatably connected to the second fixed seat, so that the supporting truss can be stably moved up and down as a whole;

[0017] 2. In the present invention, when the recovery cabin needs to be rotated, a mounting plate is attached to one side of the second support plate, and the mounting plate is slidably mounted on the slide bar to increase the stability of the overall movement of the mounting plate. When adjusting the position of the slide bar, the adjusting disk is rotated, and then the position of the mounting plate is adjusted. The position of the mounting plate is fixed by rotating the adjusting disk, and the gear plate is rotated by the operation of the driving motor. A transmission belt is mounted on the gear plate, and the top end of the transmission belt is mounted on the turntable. The rotation of the gear plate drives the turntable to rotate through the transmission belt, thereby facilitating the overall rotation of the recovery cabin and preventing impurities in the water from being precipitated inside the recovery cabin.

[0018] 3. In the present invention, the annular belt is a concentric groove of multiple concentric circular partitions, the upper part of the groove is open, and the bottom is closed with fine mesh. The bottom fine mesh part of each annular belt has a slot controlled by a buckle to collect a single positive active material in each concentric circle. After collecting enough positive active materials, the annular belt and the pulse discharge device are pulled out of the water through the pulling assembly; the materials are classified and collected through the operating window on the recovery cabin. The specific steps are to open the cabin door, put the rectangular collection container into the operating window, and pull the buckle of the mesh mouth in each concentric groove out of the slot. The rotation of the rotating arm allows the cleaning brush to perform circular cleaning, and the active materials in the annular belt are collected into the tray through the opened mouth of the bottom mesh, so as to realize the classified recovery of positive active materials. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For those skilled in the art, other drawings can be obtained based on these drawings without paying any creative work.

[0020] Figure 1 This is a schematic diagram of the three-dimensional structure of the recovery cabin;

[0021] Figure 2 This is a schematic diagram of the three-dimensional structure of the recovery cabin from a side view;

[0022] Figure 3 It is a schematic diagram of the three-dimensional structure of the supporting truss;

[0023] Figure 4 It is a schematic diagram of the three-dimensional structure of the supporting truss from a top view;

[0024] Figure 5 It is a schematic diagram of the three-dimensional structure of the ring belt from a top view;

[0025] Figure 6 It is a schematic diagram of the three-dimensional structure of the ring belt;

[0026] Figure 7 This is a three-dimensional schematic diagram of the ring belt when viewed from above;

[0027] Figure 8 for Figure 1 The enlarged structural diagram at A in the middle;

[0028] Fig. 9 This is a schematic diagram of the pulse discharge device of the present invention clamping a retired lithium-ion battery.

[0029] In the figure: 1. Recovery cabin; 101. Bottom plate; 102. Assembly hole; 103. Operation window; 104. Guide ring; 105. Slide; 106. Hatch door; 107. Handle; 108. Screw; 109. Top cover; 110. Round hole; 2. Mounting seat; 201. Servo motor; 202. Rotating rod; 204. First fixing seat; 205. Winding roller; 206. First pull rope; 207. Second fixing seat; 208. Fixing rod; 209. Pulley; 3. Support Truss; 301, frame; 302, mounting plate; 303, pulse discharge device; 304, second pull rope; 305, ring belt; 306, accommodating groove; 4, driving motor; 401, main shaft; 402, cover plate; 403, rotating arm; 404, connecting shaft; 405, baffle; 406, cleaning brush; 407, slot; 408, buckle; 5, shaft rod seat; 501, shaft pin; 502, threaded rod; 503, nut; 504, block; 505, limit groove. DETAILED DESCRIPTION

[0030] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0031] Example: Reference Figure 1-3 The product separation and collection device of a recycling cabin for positive active materials of retired lithium-ion batteries shown in the figure comprises a recycling cabin 1, the bottom end of the recycling cabin 1 is fixedly mounted on a bottom plate 101, assembly holes 102 are provided at four corners of the bottom plate 101, an operation window 103 is provided on the surface of the recycling cabin 1, a pair of guide rings 104 are provided on the outer surface of the operation window 103, the pair of guide rings 104 are fixedly mounted on the surface of the recycling cabin 1, a slide groove 105 is provided on the guide ring 104, the interior of the slide groove 105 is slidably connected to a cabin door 106, a handle 107 is fixedly connected to the surface of the cabin door 106, a screw 108 is threadedly connected to the guide ring 104, the other end of the screw 108 is attached to the cabin door 106, a top cover 109 is attached to the top of the recycling cabin 1, and a circular hole 110 is provided at the center of the top cover 109; it also comprises a pulling component, a processing component and a fixing component, the pulling component is used in conjunction with the processing component, the processing component is used to recycle and use lithium-ion batteries, and the fixing component is used in conjunction with the top cover 109.

[0032] Specifically, it should be noted that the servo motor 201 and the drive motor 4 are electrically connected to the control unit through wires, and the specific working principles therebetween are referenced through existing technologies and will not be elaborated on herein. The recovery cabin 1 is composed of a loop belt 305, a pulling assembly and a cleaning assembly on the drive motor 4. The normal working environment of the recovery cabin 1 is in water. After the pulse discharge separation of the lithium-ion positive electrode active material, the positive electrode active material appears in the loop belt 305 at the bottom of the recovery cabin 1, requiring subsequent product separation and collection equipment. This equipment can automatically classify and collect the pulse separation products into a storage container outside the recovery cabin 1. When the lithium-ion battery is placed, the lithium-ion battery is clamped to the operation window 103 by a robotic arm, and then the hatch 106 is opened, and the lithium-ion battery is placed on the pulse discharge equipment 303 for further processing.

[0033] As an implementation method in this embodiment, as shown in Attachments 4 and 5, the lifting assembly includes a mounting base 2 fixedly mounted on the top of the top cover 109, a servo motor 201 is fixedly mounted on the mounting base 2, an output end of the servo motor 201 is fixedly connected to a rotating rod 202, a first fixed base 204 is sleeved on the rotating rod 202, the bottom end of the first fixed base 204 is fixedly connected to the top cover 109, a winding roller 205 is fixedly mounted on the rotating rod 202, a first pull rope 206 is fixedly connected to the winding roller 205, a pair of second fixed bases 207 are fixedly mounted on the top cover 109, a fixed rod 208 is rotatably connected between the pair of second fixed bases 207, a pulley 209 is fixedly mounted on the fixed rod 208, and the first pull rope 206 is attached to the pulley 209.

[0034] Specifically, when it is necessary to move the pulse discharge device 303 on the mounting plate 302 to the water at the bottom of the recovery cabin 1, the servo motor 201 is operated through the control unit, and a rotating rod 202 is fixedly connected to the output end of the servo motor 201, and the rotating rod 202 is rotated by the operation of the servo motor 201. A winding roller 205 is also fixedly connected to the rotating rod 202, and a first pull rope 206 is fixedly connected to the winding roller 205. The first pull rope 206 is on a pulley 209, and the winding roller 205 pays out the first pull rope 206 through the rotation of the rotating rod 202. Since the first pull rope 206 is attached to the pulley 209, the pulley 209 is rotated by the pay-out operation of the first pull rope 206. The pulley 209 is fixedly installed on the fixed rod 208, and the two ends of the fixed rod 208 are rotatably connected to the second fixed seat 207, so as to facilitate the overall stable up and down movement of the supporting truss 3.

[0035] As an implementation method in this embodiment, according to the attached Figure 6 and 7As shown, the processing assembly includes a support truss 3 fixedly connected to the other end of the first pull rope 206, a frame 301 is fixedly connected to the support truss 3, a pair of mounting plates 302 are fixedly installed on the frame 301 by bolts, a pulse discharge device 303 is fixedly installed at the bottom end of the pair of mounting plates 302, and the second pull rope 304 is fixedly connected to the four corners of the frame 301, and the other end of the second pull rope 304 is fixedly connected to the ring belt 305, and the ring belt 305 is slidably connected to the bottom of the recovery cabin 1, and the ring belt 305 is a concentric groove of a plurality of concentric partitions, the upper part of the concentric groove is open, the bottom of the ring belt 305 is closed with fine mesh, and the middle part of the ring belt 305 is A receiving groove 306 is provided, and a driving motor 4 is installed inside the receiving groove 306. A main shaft 401 is fixedly connected to the output end of the driving motor 4. A cover plate 402 is sleeved on the main shaft 401. The cover plate 402 is fixedly installed on the top of the annular belt 305. A rotating arm 403 is fixedly installed on the top of the main shaft 401. A connecting shaft 404 is fixedly connected to the bottom end of the rotating arm 403. A baffle 405 is fixedly connected to the bottom end of the connecting shaft 404. A cleaning brush 406 is fixedly connected to the bottom end of the baffle 405. The cleaning brush 406 fits in the concentric groove. A card slot 407 is provided at the bottom end of the concentric groove. A buckle 408 is inserted into the card slot 407. The retired lithium battery is placed at the position of the pulse discharge device 303. The pulse discharge device 303 can be an upper and lower clamping structure to clamp the retired lithium-ion battery, or a two-end clamping structure can be adopted, such as Fig. 9 If the upper and lower clamping structure is adopted, the bottom of the pulse discharge device is hollowed out by a frame instead of a whole plate.

[0036] Specifically, the annular belt 305 is a concentric groove of multiple concentric circular partitions, the upper part of the groove is open, and the bottom is closed with fine mesh. The bottom fine mesh part of each annular belt 305 has a slot 407 controlled by a buckle 408 for collecting a single positive active material in each concentric circle. After collecting enough positive active materials, the annular belt 305 and the pulse discharge device 303 are pulled out of the water through the pulling assembly; the materials are classified and collected through the operation window 103 on the recovery cabin 1. The specific steps are to open the cabin door 106, put the rectangular collection container into the operation window 103, and pull the buckle 408 of the mesh mouth in each concentric groove out of the slot 407. The rotation of the rotating arm 403 is used to make the cleaning brush 406 perform circular cleaning, and the active materials in the annular belt 305 are collected into the tray through the opened mouth of the bottom mesh, so as to realize the classified recovery of positive active materials.

[0037] As an implementation method in this embodiment, according to the attached Figure 8As shown, the fixing assembly includes an axle rod seat 5 fixedly mounted on the surface of the recovery cabin 1, an axle pin 501 is rotatably connected to the axle rod seat 5, a threaded rod 502 is fixedly connected to the axle pin 501, a nut 503 is threadedly connected to the threaded rod 502, a clamping block 504 is fixedly connected to the top cover 109, and a limiting groove 505 is provided on the clamping block 504.

[0038] Specifically, when the top cover 109 needs to be opened, the nut 503 on the threaded rod 502 is rotated, and the nut 503 is rotated to the top position of the threaded rod 502, and the bottom end of the threaded rod 502 is fixedly connected to the axle pin 501, and the axle pin 501 is rotatably connected to the axle rod seat 5, and then the threaded rod 502 is disengaged from the limiting groove 505, so that the top cover 109 can be opened.

[0039] Working principle of the present invention: when it is necessary to move the pulse discharge device 303 on the mounting plate 302 to the water at the bottom of the recovery cabin 1, the servo motor 201 is operated through the control unit, and a rotating rod 202 is fixedly connected to the output end of the servo motor 201, and the rotating rod 202 is rotated by the operation of the servo motor 201, and a winding roller 205 is also fixedly connected to the rotating rod 202, and a first pull rope 206 is fixedly connected to the winding roller 205, and the first pull rope 206 is on the pulley 209, and the winding roller 205 pays out the first pull rope 206 through the rotation of the rotating rod 202. Since the first pull rope 206 is attached to the pulley 209, the pulley 209 is rotated by the pay-out operation of the first pull rope 206, and the pulley 209 is fixedly installed on the fixed rod 208, and the two ends of the fixed rod 208 are rotatably connected to the second fixed seat 207, so as to facilitate the overall stable up and down movement of the supporting truss 3;

[0040] The annular belt 305 is a concentric groove of multiple concentric circular partitions, the upper part of the groove is open, and the bottom is closed with fine mesh. The bottom fine mesh part of each annular belt 305 has a slot 407 controlled by a buckle 408 for collecting a single positive active material in each concentric circle. After collecting enough positive active materials, the annular belt 305 and the pulse discharge device 303 are pulled out of the water surface by a pulling assembly; the materials are classified and collected through the operation window 103 on the recovery cabin 1. The specific steps are to open the cabin door 106, put the rectangular collection container into the operation window 103, and pull the buckle 408 of the mesh mouth in each concentric groove out of the slot 407. The rotation of the rotating arm 403 is used to make the cleaning brush 406 perform circular cleaning, and the active materials in the annular belt 305 are collected into the tray through the opened mouth of the bottom mesh, so as to realize the classified recovery of positive active materials.

[0041] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A product separation and collection device for a recycling chamber for positive electrode active materials of retired lithium-ion batteries, comprising a recycling chamber (1), characterized in that: The bottom end of the recovery cabin (1) is fixedly mounted on a bottom plate (101), and assembly holes (102) are provided at four corners of the bottom plate (101). An operation window (103) is provided on the surface of the recovery cabin (1), and a pair of guide rings (104) are provided on the outer surface of the operation window (103). The pair of guide rings (104) are fixedly mounted on the surface of the recovery cabin (1), and a slide groove (105) is provided on the guide ring (104). The interior of the slide groove (105) is slidably connected to a cabin door (106). A handle (107) is fixedly connected to the surface of the cabin door (106). A screw (108) is threadedly connected to the guide ring (104), and the other end of the screw (108) is attached to the cabin door (106). A top cover (109) is attached to the top of the recovery cabin (1), and a round hole (110) is provided at the center of the top cover (109); It also includes a pulling component, a processing component and a fixing component, wherein the pulling component is used in conjunction with the processing component, the processing component is used to recycle lithium-ion batteries, and the fixing component is used in conjunction with the top cover (109); the pulling component includes a mounting seat (2) fixedly mounted on the top of the top cover (109), a servo motor (201) is fixedly mounted on the mounting seat (2), an output end of the servo motor (201) is fixedly connected to a rotating rod (202), a first fixing seat (204) is sleeved on the rotating rod (202), and the bottom end of the first fixing seat (204) is fixedly connected to the top cover (109); a winding roller (205) is fixedly mounted on the rotating rod (202), and a first pull rope (206) is fixedly connected to the winding roller (205); a pair of second fixing ropes (206) are fixedly mounted on the top cover (109). A fixed seat (207), a pair of second fixed seats (207) are rotatably connected with a fixed rod (208), a pulley (209) is fixedly mounted on the fixed rod (208), and the first pull rope (206) is attached to the pulley (209); the processing assembly comprises a support truss (3) fixedly connected to the other end of the first pull rope (206), the support truss (3) is fixedly connected to a frame (301), a pair of mounting plates (302) are fixedly mounted on the frame (301) by bolts, and a pulse discharge device (303) is fixedly mounted at the bottom ends of the pair of mounting plates (302); the frame (301) is fixedly connected with second pull ropes (304) at four corners, the other end of the second pull rope (304) is fixedly connected to a ring belt (305), and the ring belt (305) is slidably connected to the bottom of the recovery cabin (1).

2. The product separation and collection equipment for the positive electrode active material recovery cabin of a retired lithium-ion battery according to claim 1, characterized in that: The annular belt (305) is a plurality of concentric circular grooves of concentric circular partitions, the upper portion of the concentric circular grooves is open, and the bottom of the annular belt (305) is closed with fine mesh.

3. The product separation and collection equipment of a retired lithium-ion battery positive electrode active material recovery cabin according to claim 2, characterized in that: A receiving groove (306) is provided in the middle of the endless belt (305), a driving motor (4) is installed inside the receiving groove (306), an output end of the driving motor (4) is fixedly connected to a main shaft (401), a cover plate (402) is sleeved on the main shaft (401), and the cover plate (402) is fixedly installed on the top end of the endless belt (305).

4. The product separation and collection equipment of a retired lithium-ion battery positive electrode active material recovery cabin according to claim 3, characterized in that: A rotating arm (403) is fixedly mounted on the top end of the main shaft (401); a connecting shaft (404) is fixedly connected to the bottom end of the rotating arm (403); a baffle (405) is fixedly connected to the bottom end of the connecting shaft (404); a cleaning brush (406) is fixedly connected to the bottom end of the baffle (405); the cleaning brush (406) fits in the concentric circular groove; a clamping groove (407) is provided at the bottom end of the concentric circular groove; a buckle (408) is inserted into the inside of the clamping groove (407).

5. The product separation and collection equipment for the positive electrode active material recovery cabin of a retired lithium-ion battery according to claim 1, characterized in that: The fixing assembly comprises an axle rod seat (5) fixedly mounted on the surface of the recovery cabin (1), the axle rod seat (5) being rotatably connected to an axle pin (501), the axle pin (501) being fixedly connected to a threaded rod (502), the threaded rod (502) being threadedly connected to a nut (503), the top cover (109) being fixedly connected to a clamping block (504), and the clamping block (504) being provided with a limiting groove (505).

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