A method and device for crushing live lithium batteries

Abstract

The present invention discloses a method and device for crushing charged lithium batteries, comprising a filtering and screening mechanism, a second crushing mechanism is installed on the top of the filtering and screening mechanism, a first crushing mechanism is installed on the top of the second crushing mechanism, and a rinsing mechanism is installed on one side of the second crushing mechanism, and the rinsing mechanism is connected to the first crushing mechanism; wherein the first crushing mechanism comprises a first crushing box, a feed port is arranged on one side of the top of the first crushing box, and a sealing door is arranged in the feed port, a discharge port is arranged at the bottom of the first crushing box, the discharge port is connected to the second crushing mechanism, and a hammer assembly is arranged in the middle of the first crushing box, and a plurality of groups of counter-attack assemblies are connected to the inner side wall of the first crushing box for multi-stage crushing; adopting the above structure, the battery is crushed in multiple stages and multiple times, fully recycled, and the filtrate is recycled at the same time, which saves cost and is environmentally friendly.

Description

Technical Field

[0001] The present invention relates to the technical field of battery crushing equipment, and in particular to a method and device for crushing charged lithium batteries. Background Art

[0002] The current recycling process for used lithium batteries involves the following steps before crushing: 1. Discharge the used batteries; 2. Pyrolysis the used batteries before crushing; 3. Separate the cells, casing, and electrodes before crushing, so that only the cells are crushed. 4. Crushing methods include dry and wet crushing.

[0003] The above methods have certain disadvantages: 1. Improper discharge methods of waste batteries can easily cause explosions; 2. Improper pyrolysis treatment before crushing can easily cause electrolyte leakage; 3. The accuracy of waste battery separation is difficult to control; 4. The introduction of hard impurities during dry crushing can easily damage equipment, and in serious cases may threaten the safety of operators. Summary of the Invention

[0004] In order to overcome the above-mentioned technical problems, the purpose of the present invention is to provide a method and device for crushing charged lithium batteries, which adopts wet crushing and, by setting up a multi-stage first crushing mechanism and a second crushing mechanism, performs multi-stage and multiple crushing of charged lithium batteries, making the crushing more complete and safer.

[0005] The purpose of the present invention can be achieved through the following technical solutions:

[0006] A method and device for crushing charged lithium batteries, comprising a filtering and screening mechanism, a second crushing mechanism installed on top of the filtering and screening mechanism, a first crushing mechanism installed on top of the second crushing mechanism, and a rinsing mechanism installed on one side of the second crushing mechanism, the rinsing mechanism being connected to the first crushing mechanism;

[0007] The first crushing mechanism includes a first crushing box, a feed port is provided on one side of the top of the first crushing box, and a sealing door is provided in the feed port, a discharge port is provided at the bottom of the first crushing box, the discharge port is connected to the second crushing mechanism, and a hammer assembly is provided in the middle of the first crushing box, and multiple groups of impact assemblies are connected to the inner side wall of the first crushing box for multi-stage crushing.

[0008] As a further solution of the present invention: the filtering and screening mechanism includes a filtering and screening box, a discharge port is opened at one end of the filtering and screening box, a water outlet pipe is installed at the bottom of the other end, and a screening mesh plate is installed inside the filtering and screening box, and the screening mesh plate is arranged at an angle, wherein the lower end is located on the side of the discharge port.

[0009] As a further solution of the present invention: the second crushing mechanism includes a second crushing box, two sets of transmission shafts are rotatably installed in the middle of the second crushing box, multiple crushing knives are installed on the two sets of transmission shafts, and the multiple crushing knives are alternately arranged. Multiple discharge ribs are connected on both sides of the inside of the second crushing box, and the multiple discharge ribs on both sides are alternately arranged with the multiple crushing knives on the same side. One end of each set of transmission shafts is installed with a transmission gear, the two transmission gears are meshed and connected, and a sprocket is installed on the other end of one transmission shaft.

[0010] As a further solution of the present invention: the hammer assembly includes a rotating shaft rotatably arranged inside the first crushing box, multiple groups of hammer rotating disks are installed on the rotating shaft, multiple hammer head mounting grooves are opened on the axial surface of the hammer head mounting groove, a mounting seat is welded on one side of the hammer head mounting groove, and a support platform is provided on the other side, and an adjustment base is provided on the side of the hammer head mounting groove away from the mounting seat, the adjustment base is connected with a clamping block and an adjusting bolt, a hammer head is installed between the clamping block and the mounting seat, sprocket 2 and a drive motor are connected to one side of the rotating shaft, the drive motor is installed on the first crushing box, and sprocket 1 and sprocket 2 are connected by chain transmission.

[0011] As a further solution of the present invention: an adjustment groove is opened on the top of the adjustment base, a clamping block and an adjustment bolt are installed in the adjustment groove, and the position of the clamping block is adjusted by the adjustment bolt.

[0012] As a further solution of the present invention: a threaded hole is provided on one side of the adjustment groove, an external thread is provided at the tail end of the adjusting bolt, which is threadedly connected to the threaded hole, a conical portion with a reduced shaft diameter is provided at the front end, an adjustment boss is provided at the bottom of the clamping block, a movable groove is provided on the bottom surface of the adjusting boss, and a conical surface is provided in the movable groove, which is adapted to the conical portion of the adjusting bolt, and a clamping slope 1 is provided above the support platform, and a clamping slope 2 is provided on the top side of the clamping block, and the clamping slope 2 slides in cooperation with the clamping slope 1.

[0013] As a further solution of the present invention: the impact assembly includes a rotating shaft and a first water collecting plate installed inside the first crushing box, a rotating cylinder is connected to one side of the rotating shaft, and the rotating cylinders are fixedly installed on the first crushing box, a plurality of connecting ribs are connected to the back of the first water collecting plate, and the rotating shaft passes through the plurality of connecting ribs, and a plurality of second water collecting plates are installed on the front side of the first water collecting plate, and the plurality of second water collecting plates are interconnected with the interior of the first water collecting plate, and a plurality of impact blocks and rinsing nozzles are installed on the second water collecting plate, wherein the rinsing nozzle is connected to the interior of the second water collecting plate, and the impact block is covered on the outside of the rinsing nozzle, and a rinsing water outlet is opened in the middle, and the bottom end of the connecting rib in the middle is rotatably connected to a guide rotating rod, and the other end of the guide rotating rod passes through the first crushing box and extends to the outside, and a fixed bracket is connected to the corresponding position of the outside of the first crushing box, and the guide rotating rod passes through the fixed bracket.

[0014] As a further solution of the present invention: the rinsing mechanism includes a water storage tank arranged on the second crushing box, a water pump is installed on the top of the water storage tank, a water outlet pipe is provided at the water outlet end of the water pump, and a plurality of rinsing hoses are connected to the water outlet pipe. The other end of the rinsing hose is connected to the inside of the corresponding first water collecting plate.

[0015] As a further solution of the present invention: a connecting frame is provided on the top of the first crushing box, a water inlet pipe is installed on the connecting frame, the water inlet pipe is connected to an external water source, and a cleaning nozzle is connected to the bottom of the water inlet pipe.

[0016] A method for crushing a charged lithium battery, using the above-mentioned crushing device, comprises the following steps:

[0017] Step 1: Battery transportation: The recycled charged lithium batteries are transported to the crushing device via a conveyor belt;

[0018] Step 2: Battery crushing: Start the drive motor to drive the rotating shaft to rotate, and the rotating shaft drives the hammer to rotate, and cooperate with the set multiple impact blocks to crush the lithium battery for the first time. At the same time, start the water pump to transport water in the water tank to the rinse nozzle to spray the lithium battery. After the first crushing, the material falls into the second crushing mechanism. At the same time, the two transmission shafts of the second crushing mechanism start to rotate when the drive motor is started. The transmission shafts rotate towards each other, driving the crushing knife to perform secondary crushing;

[0019] Step 3: Screening: The solid-liquid mixture after secondary crushing falls onto the screening mesh plate, the filtrate remains in the filter screening box, and the solid particles are discharged through the discharge port for drying and collection;

[0020] Step 4: Recover the filtrate: The filtrate in the filtration and screening box is introduced into the recovery and treatment device, and the recovered water is introduced into the water storage tank again for recycling.

[0021] Beneficial effects of the present invention:

[0022] 1. The present invention adopts wet crushing, and by setting a multi-level first crushing mechanism and a second crushing mechanism, the charged lithium battery is crushed in multiple stages and multiple times. At the same time, a rinsing mechanism is set to rinse the lithium battery crushing process in the first crushing mechanism to avoid battery crushing and fire, making the crushing more complete and safer.

[0023] 2. The wet crushing method adopted by the present invention can obtain the filtrate obtained by filtration in the filtration and screening mechanism through external recovery treatment and can also be injected into the elution mechanism for recycling, which saves costs and is more environmentally friendly.

[0024] 3. The present invention drives the rotating shaft to rotate through the driving motor, and the rotating shaft drives the hammer head to crush the lithium battery. At the same time, the rotating shaft drives the transmission shaft to rotate through the chain, and the transmission shaft rotates to perform secondary crushing of the material, realizing a single driving device to drive multiple groups of motion processes, saving equipment costs.

[0025] 4. The present invention provides an adjustment base, an adjustment bolt and a clamping block that cooperate with each other to achieve convenient locking. By rotating the adjusting bolt, the tapered portion at the front end moves, and the clamping block is squeezed upward to achieve gradual locking of the hammer head. When releasing the hammer head, the adjusting bolt is rotated in the opposite direction to loosen the clamping block. During the upward movement, the second clamping bevel cooperates with the first clamping bevel to slide, thereby achieving lateral squeezing and locking of the hammer head. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] The present invention will be further described below with reference to the accompanying drawings.

[0027] Figure 1 It is a schematic diagram of the overall internal cross-sectional structure of the present invention;

[0028] Figure 2 It is a schematic diagram of the overall external structure of the present invention;

[0029] Figure 3 yes Figure 1 Schematic diagram of the enlarged structure of area A in the middle;

[0030] Figure 4 This is a schematic diagram of the structure of the counterattack component in the present invention;

[0031] Figure 5 It is a schematic diagram of the structure of the hammer assembly in the present invention;

[0032] Figure 6 This is a schematic diagram of the connection structure of the adjustment base, the clamping block and the adjustment bolt in the present invention;

[0033] Figure 7 It is a schematic diagram of the structure of the clamping block in the present invention;

[0034] Figure 8 It is a schematic flow chart of the crushing method of the present invention.

[0035] In the figure: 1. First crushing mechanism; 11. Feeding port; 12. Discharging port; 13. Connecting frame; 14. Water inlet pipe; 15. Cleaning nozzle; 16. Fixed bracket; 4. Hammer assembly; 40. Rotating shaft; 41. Hammer rotating disk; 42. Hammer head mounting groove; 421. Support platform; 422. Clamping slope 1; 43. Mounting seat; 44. Hammer; 45. Adjustment base; 451. Adjustment groove; 46. Clamping block; 461. Clamping slope 2; 462. Adjustment boss; 463. Conical surface; 47. Adjustment bolt; 5. Counterattack assembly; 51. Rotating shaft; 52. Connecting ribs; 53. First water collecting plate; 54. Second water collecting plate; 55. Rinse nozzle; 56. Counterattack block; 561. Rinse outlet; 57. Guide rotating rod; 2. Second crushing mechanism; 21. Discharge rib; 22. Drive shaft; 23. Crushing knife; 24. Drive gear; 3. Filtering and screening mechanism; 31. Screening mesh; 32. Water outlet pipe; 33. Discharge port; 6. Rinse mechanism; 61. Water storage tank; 62. Water pump; 63. Water outlet main pipe; 64. Rinse hose. DETAILED DESCRIPTION

[0036] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. 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 making any creative efforts shall fall within the scope of protection of the present invention.

[0037] like Figure 1-Figure 7 As shown, a charged lithium battery crushing device is provided, which includes a first crushing mechanism 1, a second crushing mechanism 2 and a filtering and screening mechanism 3, wherein the filtering and screening mechanism 3 is located at the bottom layer, the second crushing mechanism 2 is installed on the top of the filtering and screening mechanism 3, and the first crushing mechanism 1 is installed on the top of the second crushing mechanism 2, wherein a rinsing mechanism 6 is installed on one side of the second crushing mechanism 2, and the rinsing mechanism 6 is connected to the first crushing mechanism 1, for rinsing the lithium battery crushing process in the first crushing mechanism 1 to avoid battery crushing and fire, wherein the filtrate obtained by filtering in the filtering and screening mechanism 3 can be recycled and injected into the rinsing mechanism 6 for recycling after external recovery treatment, which saves costs and is more environmentally friendly.

[0038] like Figure 1As shown, the above-mentioned filtering and screening mechanism 3 includes a filtering and screening box, the top of which is through-through and connected to the second crushing mechanism 2, wherein a discharge port 33 is provided at one end of the filtering and screening box, and a water outlet pipe 32 is installed at the bottom of the other end, the water outlet pipe 32 is connected to the interior of the filtering and screening box, and a control valve is provided on the water outlet pipe 32 to control the discharge of the filtrate, and a screening mesh plate 31 is further installed inside the filtering and screening box, and the screening mesh plate 31 is tilted, wherein the lower end is located on the side of the discharge port 33, when the solid-liquid mixture crushed by the second crushing mechanism 2 falls on the screening mesh plate 31, the solid and liquid are separated, and the filtrate remains at the bottom of the filtering and screening box, and the solid particles are discharged through the discharge port 33. The tilted screening mesh plate 31 avoids the accumulation of solid particles and discharges them in time.

[0039] like Figure 1 and Figure 2 As shown, the above-mentioned second crushing mechanism 2 includes a second crushing box that passes through from top to bottom. The top of the second crushing box is connected to the first crushing mechanism 1, and the bottom is connected to the filtering and screening mechanism 3. Two sets of transmission shafts 22 are rotatably installed in the middle of the second crushing box. Multiple crushing knives 23 are provided on both sets of transmission shafts 22. The multiple crushing knives 23 located on different transmission shafts 22 are alternately arranged, and further, multiple discharge ribs 21 are connected on both sides of the second crushing box. The multiple discharge ribs 21 on both sides are alternately arranged with the multiple crushing knives 23 on the same side, which help to gather the materials crushed by the first crushing mechanism 1 and facilitate the crushing knives 23 to perform secondary crushing. One end of each set of transmission shafts 22 is installed with a transmission gear 24, and the two transmission gears 24 are meshed and connected. The two transmission gears 24 are located outside the second crushing box, and the other end of one transmission shaft 22 is provided with a sprocket 1, which is connected to the driving device of the first crushing mechanism 1 to drive the two transmission shafts 22 to rotate and achieve secondary crushing.

[0040] like Figure 1 、 Figure 2 、 Figure 4 and Figure 5 As shown, the first crushing mechanism 1 includes a first crushing box, a feeding port 11 is provided on one side of the top of the first crushing box, and a sealing door (not shown in the figure) is provided in the feeding port 11, and a discharge port 12 is opened at the bottom of the first crushing box, which is connected to the second crushing mechanism 2 to realize further conveying of materials, wherein a hammer assembly 4 is provided in the middle of the first crushing box, and multiple groups of impact assemblies 5 are connected to the side walls of the first crushing box. The first crushing is achieved by the cooperation of the hammer assembly 4 and the impact assembly 5, and multiple groups of impact assemblies 5 are provided for further graded crushing;

[0041] The hammer assembly 4 is as shown in FIG. Figure 5As shown, the hammer assembly 4 includes a rotating shaft 40 rotatably arranged inside the first crushing box, and multiple groups of hammer rotating disks 41 are installed on the rotating shaft 40. A plurality of hammer head mounting grooves 42 are opened on the axial surface of each hammer rotating disk 41. A mounting seat 43 is welded on one side of each hammer head mounting groove 42, and a support platform 421 is provided on the other side. The groove surface above the support platform 421 is a clamping inclined surface 422, and an adjustment base 45 is provided on the side of the hammer head mounting groove 42 away from the mounting seat 43. The adjustment base 45 is connected to a clamping block 46 through an adjusting bolt 47. A hammer head 44 is installed between the clamping block 46 and the mounting seat 43. The hammer head 44 is adjusted After installation, the position of the clamping block 46 is adjusted by rotating the adjusting bolt 47 to lock the hammer head 44, and further, one side of the rotating shaft 40 is connected to a sprocket 2 and a drive motor. The drive motor is installed on the first crushing box to drive the rotating shaft 40 to rotate, and the sprocket 2 is connected to the sprocket 1 of the second crushing mechanism 2 through a chain transmission. In this way, the rotating shaft 40 is driven to rotate by the drive motor, and the rotating shaft 40 drives the hammer head 44 to crush the lithium battery. At the same time, the rotating shaft 40 drives the transmission shaft 22 to rotate through the chain, and the transmission shaft 22 rotates to perform secondary crushing of the material, so that a single drive device drives multiple groups of motion processes, saving equipment costs.

[0042] Further Figure 6-Figure 7 As shown, the top of the adjustment base 45 is provided with an adjustment groove 451, and a threaded hole is provided on one side of the adjustment groove 451, and a positioning hole is provided on the other side. Similarly, the tail end of the adjustment bolt 47 is provided with an external thread, which is threadedly connected to the threaded hole, and the front end is provided with a tapered portion with a reduced shaft diameter, and the front end of the tapered portion is adapted to the positioning hole. Further, the bottom of the clamping block 46 is provided with an adjustment boss 462, and a movable groove is provided on the bottom surface of the adjustment boss 462. The movable groove is provided with a tapered surface 463, and the tapered surface 463 is adapted to the tapered portion of the adjustment bolt 47. By rotating the adjusting bolt 47, the tapered part at the front end moves, and the clamping block 46 is squeezed upward to achieve gradual locking of the hammer head 44. When releasing the hammer head 44, the adjusting bolt 47 is rotated in the opposite direction to loosen the clamping block 46. The top surface of the clamping block 46 is close to the clamping slope 1 422 and is set as the clamping slope 2 461. The clamping slope 2 461 slides in cooperation with the clamping slope 1 422. By sliding in cooperation with the clamping slope 1 422 during the upward movement, the hammer head 44 is squeezed and locked horizontally.

[0043] Further Figure 5 As shown, a positioning boss is provided on one side of the hammer head 44, and a positioning groove is provided on the mating surface of the mounting seat 43 and the hammer head 44. The hammer head 44 is further limited by the cooperation between the positioning boss and the positioning groove.

[0044] like Figure 4As shown, the above-mentioned counterattack component 5 includes a rotating shaft 51 installed inside the first crushing box, multiple rotating shafts 51 are correspondingly arranged, and each rotating shaft 51 is connected to a rotating cylinder on the side close to the driving motor, and multiple rotating cylinders are fixedly installed on the first crushing box. The counterattack component 5 also includes a first water collecting plate 53, and multiple connecting ribs 52 are connected to the back of the first water collecting plate 53. The multiple connecting ribs 52 are arranged longitudinally, and the rotating shaft 51 passes through the multiple connecting ribs 52. The front side of the first water collecting plate 53 is equipped with multiple second water collecting plates 54, and the multiple second water collecting plates 54 are interconnected with the inside of the first water collecting plate 53. The second water collecting plate 54 is equipped with multiple counterattack blocks 56 and rinsing nozzles 55, wherein the rinsing nozzles 55 are connected to the second water collecting plate. The water plate 54 is internally connected, and the impact block 56 is covered on the outside of the rinsing nozzle 55, and a rinsing water outlet 561 is opened in the middle for the rinsing nozzle 55 to spray water. The bottom end of the connecting rib 52 in the middle is rotatably connected to a guide rotating rod 57, and the other end of the guide rotating rod 57 passes through the first crushing box and extends to the outside, and a fixed bracket 16 is connected to the corresponding position of the outside of the first crushing box. The guide rotating rod 57 is set through the fixed bracket 16, and the rotating cylinder drives the rotating shaft 51 to rotate. The rotating shaft 51 drives the first water collecting plate 53, the rinsing nozzle 55 and the impact block 56 to rotate. The bottom of the first water collecting plate 53 will move, so the guide rotating rod 57 moves on the fixed bracket 16 to guide and support the first water collecting plate 53 to ensure the stability of the impact assembly 5.

[0045] Further Figure 1 and Figure 2 As shown, the above-mentioned rinsing mechanism 6 includes a water tank 61 arranged on the second crushing box, a water pump 62 is installed on the top of the water tank 61, and a water outlet main pipe 63 is provided at the water outlet end of the water pump 62. A plurality of rinsing hoses 64 are connected to the water outlet main pipe 63, and the other end of the rinsing hose 64 is connected to the corresponding first water collecting plate 53. The water in the water tank 61 is transported to the rinsing nozzle 55 through the rinsing hose 64 for spraying to ensure that the lithium battery does not catch fire when it is charged and crushed, thereby avoiding safety accidents.

[0046] Further Figure 3 As shown, a connecting frame 13 is provided on the top of the first crushing box, and a water inlet pipe 14 is installed on the connecting frame 13. The water inlet pipe 14 is connected to an external water source, and a cleaning nozzle 15 is connected to the bottom of the water inlet pipe 14. The water inlet pipe 14 is controlled by a valve. When the crushing is completed, the external water source is connected to fully clean the entire crushing device.

[0047] Working principle of the present invention:

[0048] The recovered charged lithium batteries are transported to the feed port 11 through a conveyor belt, and then the sealing door is closed and the driving motor is started to drive the rotating shaft 40 to rotate, the rotating shaft 40 drives the hammer rotating disk 41 to rotate, and the hammer rotating disk 41 drives the hammer head 44 to rotate, and cooperates with the set multiple impact blocks 56 to perform charged crushing on the lithium batteries. While crushing, the water pump 62 is started to transport the water in the water tank 61 to the rinsing nozzle 55 to spray the lithium batteries. The materials after the first crushing fall into the second crushing mechanism 2. At the same time, the two transmission shafts 22 of the second crushing mechanism 2 start to rotate when the driving motor is started. The transmission shafts 22 rotate in opposite directions, driving the crushing knife 23 to perform secondary crushing. The solid-liquid mixture after crushing falls onto the screening mesh plate 31, and the filtrate remains in the filter screening box. The solid particles are discharged and collected through the discharge port 33;

[0049] Before the crushing starts, the tapered part of the front end is moved by rotating the adjusting bolt 47, and the clamping block 46 is squeezed upward to gradually lock the hammer head 44. In addition, before the crushing starts, multiple impact assemblies 5 need to be adjusted, and the corresponding rotating cylinders are started to drive the impact assemblies 5 to rotate and adjust to the required position. The distances between the multiple impact assemblies 5 and the hammer assembly 4 are adjusted to a multi-stage setting, which is progressive in sequence to facilitate multi-stage crushing.

[0050] like Figure 8 As shown, a method for crushing a lithium battery under charge includes the following steps:

[0051] Step 1: Battery transportation: The recycled charged lithium batteries are transported to the crushing device via a conveyor belt;

[0052] Step 2: Battery crushing: Start the driving motor to drive the rotating shaft 40 to rotate, the rotating shaft 40 drives the hammer rotating disk 41 to rotate, the hammer rotating disk 41 drives the hammer head 44 to rotate, and cooperate with the multiple impact blocks 56 to crush the lithium battery with electricity. At the same time as crushing, start the water pump 62 to transport the water in the water tank 61 to the rinse nozzle 55 to spray the lithium battery. After the first crushing, the material falls into the second crushing mechanism 2. At the same time, the two transmission shafts 22 of the second crushing mechanism 2 start to rotate when the driving motor is started. The transmission shafts 22 rotate towards each other, driving the crushing knife 23 to perform secondary crushing;

[0053] Step 3: Screening: The solid-liquid mixture after secondary crushing falls onto the screening mesh plate 31, the filtrate remains in the filter screening box, and the solid particles are discharged through the discharge port 33 for drying and collection;

[0054] Step 4: Recover the filtrate: The filtrate in the filtration and screening box is introduced into a recovery and treatment device, and the recovered water is introduced into the water storage tank 61 again for recycling.

[0055] In the description of the present invention, it should be understood that the terms "upper", "lower", "left", "right" and the like indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, and a specific direction structure and operation, and therefore, cannot be understood as limiting the present invention. In addition, "first" and "second" are only for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present invention, unless otherwise specified, "multiple" means two or more.

[0056] In the description of the present invention, it should be noted that, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" should be understood in a broad sense. For example, they may refer to fixed connections, detachable connections, or integral connections; mechanical connections or electrical connections; direct connections or indirect connections through an intermediate medium; and internal communication between two components. Those skilled in the art will understand the specific meanings of the above terms in the present invention based on the specific circumstances.

[0057] The above is a detailed description of an embodiment of the present invention. However, the content described is only a preferred embodiment of the present invention and should not be considered to limit the scope of the present invention. All equivalent changes and improvements made within the scope of the present invention should still fall within the scope of the patent coverage of the present invention.

Claims

1. A lithium battery charged crushing device, characterized in that: It comprises a filtering and screening mechanism (3), a second crushing mechanism (2) is installed on the top of the filtering and screening mechanism (3), a first crushing mechanism (1) is installed on the top of the second crushing mechanism (2), and a rinsing mechanism (6) is installed on one side of the second crushing mechanism (2), and the rinsing mechanism (6) is connected to the first crushing mechanism (1); The first crushing mechanism (1) comprises a first crushing box, a feeding port (11) is arranged on one side of the top of the first crushing box, and a sealing door is arranged in the feeding port (11), a discharge port (12) is arranged at the bottom of the first crushing box, the discharge port (12) is connected to the second crushing mechanism (2), and a hammer assembly (4) is arranged in the middle of the first crushing box, and a plurality of impact assemblies (5) are connected to the inner side wall of the first crushing box for multi-stage crushing; The filtering and screening mechanism (3) comprises a filtering and screening box, wherein a discharge port (33) is provided at one end of the filtering and screening box, a water outlet pipe (32) is installed at the bottom of the other end, and a screening mesh plate (31) is installed inside the filtering and screening box, wherein the screening mesh plate (31) is arranged in an inclined manner, wherein the lower end is located on the side of the discharge port (33); The second crushing mechanism (2) comprises a second crushing box, two sets of transmission shafts (22) are rotatably mounted in the middle of the second crushing box, a plurality of crushing knives (23) are mounted on both sets of transmission shafts (22), the plurality of crushing knives (23) are arranged alternately, a plurality of discharge ribs (21) are connected to both sides of the second crushing box, the plurality of discharge ribs (21) on both sides and the plurality of crushing knives (23) on the same side are arranged alternately, a transmission gear (24) is mounted on one end of both sets of transmission shafts (22), the two transmission gears (24) are meshed and connected, and a sprocket wheel (24) is mounted on the other end of one transmission shaft (22); The counterattack assembly (5) comprises a rotating shaft (51) and a first water collecting plate (53) installed inside a first crushing box, one side of the rotating shaft (51) is connected to a rotating cylinder, and the rotating cylinders are fixedly installed on the first crushing box, the back side of the first water collecting plate (53) is connected to a plurality of connecting ribs (52), and the rotating shaft (51) passes through the plurality of connecting ribs (52), and the front side of the first water collecting plate (53) is installed with a plurality of second water collecting plates (54), the plurality of second water collecting plates (54) are connected to the inside of the first water collecting plate (53), and the second water collecting plates (54) are connected to the first water collecting plate (53). A plurality of impact blocks (56) and rinsing nozzles (55) are installed, wherein the rinsing nozzles (55) are connected to the inside of the second water collecting plate (54), and the impact blocks (56) are covered on the outside of the rinsing nozzles (55), and a rinsing water outlet (561) is opened in the middle, and a guide rotating rod (57) is rotatably connected to the bottom end of the connecting rib (52) located in the middle, and the other end of the guide rotating rod (57) passes through the first crushing box and extends to the outside, and a fixed bracket (16) is connected to the corresponding position of the outside of the first crushing box, and the guide rotating rod (57) passes through the fixed bracket (16).

2. A charged lithium battery crushing device according to claim 1, characterized in that: The hammer assembly (4) comprises a rotating shaft (40) rotatably arranged inside the first crushing box, a plurality of hammer rotating discs (41) are mounted on the rotating shaft (40), a plurality of hammer head mounting grooves (42) are provided on the axial surface of the hammer rotating disc (41), a mounting seat (43) is welded to one side of the hammer head mounting groove (42), a support platform (421) is arranged on the other side, and an adjustment base (45) is arranged on the side of the hammer head mounting groove (42) away from the mounting seat (43), the adjustment base (45) is connected to a clamping block (46) and an adjustment bolt (47), a hammer head (44) is mounted between the clamping block (46) and the mounting seat (43), a sprocket wheel 2 and a drive motor are connected to one side of the rotating shaft (40), the drive motor is mounted on the first crushing box, and the sprocket wheel 1 and the sprocket wheel 2 are connected through a chain transmission.

3. A charged lithium battery crushing device according to claim 2, characterized in that: An adjustment groove (451) is provided on the top of the adjustment base (45), a clamping block (46) and an adjustment bolt (47) are installed in the adjustment groove (451), and the position of the clamping block (46) is adjusted by the adjustment bolt (47).

4. A charged lithium battery crushing device according to claim 3, characterized in that: A threaded hole is provided on one side of the adjustment groove (451), an external thread is provided on the rear end of the adjustment bolt (47) and is threadedly connected to the threaded hole, a tapered portion with a reduced shaft diameter is provided on the front end, an adjustment boss (462) is provided on the bottom of the clamping block (46), a movable groove is provided on the bottom surface of the adjustment boss (462), the movable groove is provided with a tapered surface (463), the tapered surface (463) is adapted to the tapered portion of the adjustment bolt (47), a clamping inclined surface 1 (422) is provided above the support platform (421), a clamping inclined surface 2 (461) is provided on one side of the top of the clamping block (46), and the clamping inclined surface 2 (461) and the clamping inclined surface 1 (422) are slidably matched.

5. A charged lithium battery crushing device according to claim 4, characterized in that: The rinsing mechanism (6) comprises a water storage tank (61) arranged on the second crushing box, a water pump (62) is installed on the top of the water storage tank (61), a water outlet main pipe (63) is arranged at the water outlet end of the water pump (62), a plurality of rinsing hoses (64) are connected to the water outlet main pipe (63), and the other end of the rinsing hose (64) is connected to the inside of the corresponding first water collecting plate (53).

6. A charged lithium battery crushing device according to claim 1, characterized in that: A connecting frame (13) is provided on the top of the first crushing box, a water inlet pipe (14) is installed on the connecting frame (13), the water inlet pipe (14) is connected to an external water source, and a cleaning nozzle (15) is connected to the bottom of the water inlet pipe (14).

7. A method for crushing a charged lithium battery, characterized in that: Using the crushing device according to claim 5, comprising the following steps: Step 1: Battery transportation: The recycled charged lithium batteries are transported to the crushing device through a conveyor belt; Step 2, battery crushing: starting the driving motor to drive the rotating shaft (40) to rotate, the rotating shaft (40) drives the hammer head (44) to rotate, and cooperates with the multiple impact blocks (56) to perform the first crushing of the lithium battery. While crushing, the water pump (62) is started to transport water in the water tank (61) to the rinse nozzle (55) to spray the lithium battery. The material after the first crushing falls into the second crushing mechanism (2). At the same time, the two transmission shafts (22) of the second crushing mechanism (2) start to rotate when the driving motor is started. The transmission shafts (22) rotate in opposite directions, driving the crushing knife (23) to perform secondary crushing; Step 3, screening: the solid-liquid mixture after secondary crushing falls onto the screening mesh plate (31), the filtrate remains in the filter screening box, and the solid particles are discharged through the discharge port (33) for drying and collection; Step 4: Recovering the filtrate: The filtrate in the filtration and screening box is introduced into a recovery and processing device, and the recovered water is introduced into the water storage tank (61) again for recycling.

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