Power lithium battery shell processing device and processing method thereof

Abstract

The invention discloses a power lithium battery shell machining device which comprises a device base, an operation table, a workpiece table, a batch machining assembly, a washing assembly and a spray assembly. The batch machining assembly is composed of a stamping module, a mechanical arm module, a hydraulic push rod and a rotating base and used for stamping and machining shells in batches; the stamping module, the mechanical arm module and the hydraulic push rod are all fixedly installed at the upper end of the operation table and controlled through set programming. The processing method of the power lithium battery shell processing device comprises the following steps: S1, feeding and preparing liquid; s2, starting and charging; and S3, cleaning and material taking. According to the invention, continuous cycle processing can be formed, frequent shutdown adjustment is not needed, a plurality of metal sheets can be processed in order at the same time, the output in unit time is obviously improved, the device is suitable for industrial batch production, residual greasy dirt oil, chippings and the like in stamping can be cleaned, a foundation is laid for subsequent assembly cleaning, and potential pollution of greasy dirt to battery cells is reduced.

Description

Technical Field

[0001] This invention relates to the field of lithium battery processing technology, and in particular to a power lithium battery casing processing device and processing method. Background Technology

[0002] During the stamping process of existing power lithium battery casings, due to the different materials of the metal sheets, the bending points during stamping are sometimes torn, resulting in defective products. This leads to waste of raw materials and requires machine shutdown for removal, reducing the processing efficiency of power lithium battery casings. At the same time, during the stamping of the metal sheets, the contact between the metal sheets and the stamping part of the stamping machine is very solid, resulting in high friction. The edges of the power lithium battery casing are easily rubbed against the cover plate, causing scratches on the edges of the power lithium battery casing, resulting in defective products and affecting subsequent processing.

[0003] To address the aforementioned issues, invention patent CN118875111A discloses a power lithium battery casing processing device, including a control box. A first mounting plate is mounted on the top of the control box, and two sets of second mounting plates are fixedly connected to the top of the first mounting plate. A third mounting plate is fixedly connected to the top of each set of second mounting plates. A first motor is fixedly connected to the top of the third mounting plate, and a hydraulic rod is fixedly connected to one side of the third mounting plate. The hydraulic rod is threadedly connected to the threaded shaft at the output end of the first motor. While this solution can prevent metal sheet tearing during stamping and avoid scratches on the power lithium battery casing during stamping, maintaining its aesthetic appeal, it still has some shortcomings. First, the above solution is a single-unit processing of the metal sheet of the lithium battery casing, which is not suitable for mass production in industrial settings. Second, since oil, metal shavings, and burrs remain on the surface of the casing after stamping, they will damage the battery cell during subsequent assembly. The above solution does not include a corresponding solution to deal with the residual oil, metal shavings, and burrs after stamping, and cannot guarantee that the battery cell will not be damaged during subsequent assembly. Summary of the Invention

[0004] The purpose of this invention is to address the shortcomings of existing technologies by proposing a power lithium battery casing processing device and processing method.

[0005] To achieve the above objectives, the present invention adopts the following technical solution: A power lithium battery casing processing apparatus includes a base, an operating table, a workpiece table, a batch processing component, a rinsing component, and a spraying component. The batch processing assembly consists of a stamping module, a robotic arm module, a hydraulic push rod, and a rotating seat. It is used for batch stamping and processing of housings. The stamping module, robotic arm module, and hydraulic push rod are all fixedly mounted on the upper part of the operating table and controlled by a predetermined program. The telescopic end of the hydraulic push rod is rotatably connected to the robotic arm module. The rotating seat is rotatably connected to the upper part of the workpiece table and has multiple workpiece slots along the circumference of the upper part. A motor is fixedly mounted on the side wall of the rotating seat. The output shaft of the motor passes through the workpiece table and is equipped with a drive mechanism for driving the rotating seat to rotate. The flushing assembly consists of a receiving trough, a flushing nozzle, and several flushing nozzles, used to flush oil stains from the surface of the housing after stamping. The receiving trough is fixedly connected to the side wall of the device base and its upper end is located at the end of the robot module's running trajectory. The flushing nozzle is fixed to the side wall of the receiving trough. Several flushing nozzles are all located on the flushing nozzle and communicate with it. A water supply mechanism for timed water supply to the flushing nozzle is installed at the upper end of the device base. The spray assembly consists of a spray box, a reservoir, and several spray nozzles, used to spray cleaning agent onto the surface of the stamped housing. The spray box is open and positioned above the workpiece slot adjacent to the working position of the stamping module. The reservoir is fixedly connected to the side wall of the operating table, and its lower end is connected to the spray box via a connecting pipe. Several spray nozzles are respectively located on the inner and outer walls of the spray box and are connected to it. A pump cylinder is installed on the side wall of the operating table, and the pump cylinder contains a pumping mechanism for pumping gas into the upper end of the reservoir.

[0006] Preferably, the driving mechanism includes an incomplete gear, a full gear, a first bevel gear, and a second bevel gear. The incomplete gear is coaxially fixedly connected to the motor output shaft. The full gear is rotatably connected to the inner wall of the workpiece stage and intermittently meshes with the incomplete gear. The proportion of the toothed area of ​​the incomplete gear in the total area corresponds to the number of multiple workpiece slots. The first bevel gear is coaxially fixedly connected to the full gear, and the second bevel gear is coaxially fixedly connected to the rotating seat, and the two are meshed together.

[0007] Preferably, the water supply mechanism includes a water storage cylinder, a water receiving funnel, and a water guide pipe. The water storage cylinder is fixedly connected to the top of the device base by a bracket, and a water outlet and a water outlet hole are provided at the lower end. The two ends of the water guide pipe are respectively connected to the water receiving funnel and the flushing nozzle. The water receiving funnel is located directly below the water outlet hole, and a timing mechanism for making the water outlet hole discharge water at regular intervals is installed in the middle of the two.

[0008] Preferably, the timing mechanism includes a gear ring sleeved on the circumferential sidewall of the rotating seat and a driven gear rotatably connected to the upper end of the device seat. The driven gear meshes with the gear ring and has a plurality of through holes along the circumferential direction. The number of through holes is the same as the number of workpiece slots. The upper end of the driven gear is tightly fitted with the lower end of the water outlet, and each of the through holes coincides with and connects to the water outlet in sequence during rotation.

[0009] Preferably, the pumping mechanism includes a piston, an air inlet, a pumping pipe, and an elastic air bladder. The piston is slidably and sealed between the inner wall of the pumping cylinder. The air inlet is located at the end of the pumping cylinder. The pumping pipe is connected between the elastic air bladder and the end of the pumping cylinder. The elastic air bladder is connected to the upper end of the storage cylinder, and a pressure valve is installed at the connection point. A pushing mechanism for pushing the piston to move horizontally is installed on the outer wall of the piston.

[0010] Preferably, the pushing mechanism includes a bent rod, one end of which is fixedly connected to the outer wall of the piston, and the other end is fixedly connected to the telescopic end of the hydraulic push rod.

[0011] Preferably, the air inlet is equipped with a one-way valve that allows air to flow only from the outside to the pump cylinder, and the pump cylinder is equipped with a one-way valve that allows air to flow only from the pump cylinder to the elastic airbag.

[0012] Preferably, the lower end of the receiving trough is provided with multiple drainage holes, and a water receiving tray is fixedly connected to the side wall of the device base directly below the multiple drainage holes.

[0013] A processing method for a power lithium battery casing processing device includes the following steps: S1. Loading and preparing liquid: Place the metal sheet to be stamped on the workpiece slot, leaving the workpiece slot above the receiving slot and below the spray box empty. Then add clean water to the water storage tank and add cleaning agent to the agent storage tank. S2. Start-up and feeding: Start the motor, stamping module, hydraulic push rod and robot module. Then, for each rotation of the rotating seat, the stamping module stamps a metal sheet once, the robot module picks up the finished metal shell once, and then adds a metal sheet into the workpiece slot above the receiving groove. S3. Cleaning and material handling: The hydraulic push rod sprays the cleaning agent onto the inner and outer surfaces of the finished metal shell. The robotic arm module places the finished metal shell on the upper end of the receiving trough, and the rinsing nozzle picks up clean water to rinse it. Then, the finished metal shell that has been cleaned and slid down to the lower end of the receiving trough is taken out for subsequent processing.

[0014] The present invention has the following beneficial effects: 1. In the batch processing component of the present invention, the motor drives the rotating seat to rotate intermittently through the intermittent meshing of the incomplete gear and the full gear, and the transmission of the first bevel gear and the second bevel gear. Multiple workpiece slots at the upper end of the rotating seat are sequentially transferred to the stamping module station. At the same time, the hydraulic push rod cooperates with the programmed control robot module to complete the actions of picking up finished products and replenishing raw materials when the rotating seat stops. The stamping module stamps synchronously, and the proportion of the toothed area of ​​the incomplete gear matches the number of workpiece slots to ensure accurate rotation angle, forming continuous cycle processing. There is no need for frequent machine stops for adjustment. Multiple metal sheets can be processed simultaneously and orderly. The processing volume of a single batch is proportional to the number of workpiece slots, which significantly improves the output per unit time, is suitable for industrial batch production, and reduces time costs and the frequency of manual intervention.

[0015] 2. The water storage tank of the rinsing component of this invention is supplied with water through a timing mechanism. When the rotating seat rotates, its circumferential gear ring drives the driven gear to rotate. The number of through holes on the driven gear is the same as the number of workpiece slots. Only when they coincide with the water outlet of the water storage tank, clean water flows into the rinsing nozzle through the water receiving funnel and the water guide pipe. Then, it is sprayed directionally into the finished shell in the receiving tank through multiple rinsing nozzles. The drain hole at the lower end of the receiving tank discharges the sewage into the water receiving pan to avoid backflow and pollution. The timing mechanism synchronizes the supply of clean water with the processing rhythm to avoid water waste. Multiple rinsing nozzles rinse from multiple angles and all directions, and the water flow is concentrated and covers a wide area, which can quickly wash away the residual oil stains from stamping, laying the foundation for subsequent assembly cleaning and reducing the potential pollution of the battery cell by oil stains.

[0016] 3. In the spray assembly of this invention, when the hydraulic push rod extends and retracts, the bent rod connected to it drives the piston in the pump cylinder to slide back and forth. When the piston moves inward, outside air enters through the air inlet. When it moves outward, the air is pressed into the elastic air bladder through the pump pipe. After the air pressure in the air bladder reaches the threshold, the gas enters the storage cylinder, pushing the cleaning agent into the spray box through the connecting pipe. Then, it is sprayed through the spray nozzles on the inner and outer walls of the spray box onto the finished product located in the workpiece slot after stamping. The cleaning agent can chemically decompose and physically remove stubborn metal debris, fine burrs and residual oil stains. The inner and outer sides of the spray box are sprayed simultaneously, cleaning without dead corners, deeply removing impurities that are difficult to remove with water, ensuring the cleanliness of the shell surface, and avoiding debris from scratching the battery cell or affecting the sealing performance during subsequent assembly. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the structure of a power lithium battery casing processing device proposed in this invention; Figure 2 This is a schematic diagram of the stamping module and rotating seat proposed in this invention; Figure 3 This is a schematic diagram showing the connection between the hydraulic push rod and the robotic arm module proposed in this invention; Figure 4 This is a schematic diagram of the drive mechanism proposed in this invention; Figure 5This is a schematic diagram showing the connection of the flushing assembly, water supply mechanism, and timing mechanism proposed in this invention. Figure 6 This is a schematic diagram of the structure of the water storage cylinder proposed in this invention; Figure 7 This is a schematic diagram of the rinsing assembly proposed in this invention; Figure 8 This is a schematic diagram showing the connection of the spray assembly, pumping mechanism, and hydraulic push rod proposed in this invention.

[0018] In the diagram: 1. Device base; 2. Operating table; 3. Stamping module; 4. Robotic arm module; 5. Hydraulic push rod; 6. Workpiece table; 7. Rotating seat; 8. Workpiece slot; 9. Motor; 10. Water storage tank; 11. Support; 12. Material receiving trough; 13. Gear ring; 14. Incomplete gear; 15. Full gear; 16. First bevel gear; 17. Second bevel gear; 18. Driven gear; 19. Through hole; 20. Water guide pipe; 21. Flushing nozzle; 22. Flushing nozzle; 23. Drain hole; 24. Water outlet; 25. Water outlet; 26. Water receiving funnel; 27. Spray box; 28. Spray nozzle; 29. ​​Storage tank; 30. Connecting pipe; 31. Air inlet; 32. Piston; 33. Bending rod; 34. Air pump pipe; 35. Elastic airbag; 36. Air pump cylinder; 37. Water receiving tray. Detailed Implementation

[0019] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments.

[0020] Example 1 Reference Figure 1-4 A power lithium battery casing processing device includes a device base 1, an operating table 2, a workpiece table 6, and a batch processing component. The batch processing component consists of a stamping module 3, a robotic arm module 4, a hydraulic push rod 5, and a rotating seat 7, and is used for batch stamping and processing of casings. The stamping module 3, the robotic arm module 4, and the hydraulic push rod 5 are all fixedly installed on the upper end of the operating table 2 and controlled by a predetermined program. The telescopic end of the hydraulic push rod 5 is rotatably connected to the robotic arm module 4. The rotating seat 7 is rotatably connected to the upper end of the workpiece table 6, and multiple workpiece slots 8 are provided on the upper end along the circumference. A motor 9 is fixedly installed on the side wall of the rotating seat 7. The output shaft of the motor 9 passes through the workpiece table 6 and is equipped with a drive mechanism for driving the rotating seat 7 to rotate.

[0021] The drive mechanism includes an incomplete gear 14, a full gear 15, a first bevel gear 16, and a second bevel gear 17. The incomplete gear 14 is coaxially fixedly connected to the output shaft of the motor 9. The full gear 15 is rotatably connected to the inner wall of the workpiece table 6 and intermittently meshes with the incomplete gear 14. The proportion of the toothed area of ​​the incomplete gear 14 in the entire area corresponds to the number of multiple workpiece slots 8. The first bevel gear 16 is coaxially fixedly connected to the full gear 15, and the second bevel gear 17 is coaxially fixedly connected to the rotating seat 7, and the two are meshed together.

[0022] In this embodiment, when using this device for batch stamping, the metal sheets to be stamped are first placed one by one into the multiple workpiece slots 8 distributed circumferentially on the upper end of the rotating seat 7, and then the device is started and the collaborative working logic of each module is set through predetermined programming. After the motor 9 starts, its output shaft drives the coaxially fixed incomplete gear 14 to rotate synchronously. Since the incomplete gear 14 only has teeth in some areas, and the proportion of the toothed area in the whole area corresponds to the number of workpiece slots 8, the incomplete gear 14 will intermittently mesh with the full gear 15 rotatably connected to the inner wall of the workpiece table 6 during the rotation. When the toothed area of ​​the incomplete gear 14 contacts the full gear 15, it will drive the full gear 15 to rotate; when the toothless area of ​​the incomplete gear 14 is opposite to the full gear 15, the full gear 15 stops rotating, thus realizing the intermittent rotation of the full gear 15. The first bevel gear 16, coaxially fixed with the full gear 15, rotates synchronously with the intermittent rotation of the full gear 15. The first bevel gear 16 meshes with the second bevel gear 17, coaxially fixed with the rotating seat 7. Therefore, under the transmission action of the first bevel gear 16, the second bevel gear 17 drives the rotating seat 7 to rotate intermittently on the upper end of the workpiece table 6. Since the proportion of the toothed area of ​​the incomplete gear 14 matches the number of workpiece slots 8, it ensures that each time the rotating seat 7 stops, there is a workpiece slot 8 aligned with the stamping station. Therefore, the angle of each rotation is just right so that the next unprocessed workpiece slot 8 is precisely transferred to the underside of the stamping module 3. When the rotating seat 7 stops rotating, the pre-programmed stamping module 3 moves downward to stamp the metal sheet in the currently aligned workpiece slot 8, completing one shell stamping process.

[0023] At the same time, the hydraulic push rod 5 moves its telescopic end according to the programmed control, driving the robotic arm module 4 connected to it to move: on the one hand, the robotic arm module 4 will first take out the finished shell left in the corresponding workpiece slot 8 after the first two stampings; on the other hand, after the finished shell is taken out, the robotic arm module 4 will immediately add a new metal sheet to be stamped into the empty workpiece slot 8, in preparation for the next stamping process. As motor 9 continues to run, incomplete gear 14, full gear 15, first bevel gear 16, and second bevel gear 17 are driven in sequence to drive rotating seat 7 to complete intermittent rotation. Stamping module 3 synchronously completes stamping reset action, and robotic arm module 4 synchronously completes finished product picking and raw material replenishment action. Finally, continuous batch stamping processing of multiple metal sheets is realized, which greatly improves the processing efficiency of power lithium battery shells and meets the needs of industrial mass production.

[0024] Example 2 Reference Figure 5-7 The difference from Embodiment 1 is that this embodiment also includes a rinsing assembly, which consists of a receiving trough 12, a rinsing nozzle 21 and several rinsing nozzles 22, used to rinse the oil stains on the surface of the housing after stamping. The receiving trough 12 is fixedly connected to the side wall of the device base 1 and its upper end is located at the end of the running trajectory of the robot module 4. The lower end of the receiving trough 12 is provided with multiple drainage holes 23. A water receiving tray 37 is fixedly connected to the side wall of the device base 1 directly below the multiple drainage holes 23. The rinsing nozzle 21 is fixed to the side wall of the receiving trough 12. Several rinsing nozzles 22 are provided on the rinsing nozzle 21 and communicate with it. A water supply mechanism for supplying water to the rinsing nozzle 21 at regular intervals is installed on the upper end of the device base 1.

[0025] The water supply mechanism includes a water storage tank 10, a water receiving funnel 26, and a water guide pipe 20. The water storage tank 10 is fixedly connected to the device base 1 above by a bracket 11, and has a water outlet 24 and a water outlet 25 at its lower end. The two ends of the water guide pipe 20 are respectively connected to the water receiving funnel 26 and the flushing nozzle 21. The water receiving funnel 26 is located directly below the water outlet 25, and a timing mechanism for making the water outlet outlet discharge water at regular intervals is installed in the middle of the two.

[0026] The timing mechanism includes a gear ring 13 sleeved on the circumferential side wall of the rotating seat 7 and a driven gear 18 rotatably connected to the upper end of the device base 1. The driven gear 18 meshes with the gear ring 13 and is provided with a number of through holes 19 along the circumferential direction. The number of through holes 19 is the same as the number of workpiece slots 8. The upper end of the driven gear 18 is tightly fitted with the lower end of the water outlet 24, and each through hole 19 overlaps and connects with the water outlet 25 in sequence during rotation.

[0027] In this embodiment, the operation is first performed as in Embodiment 1. The metal sheet to be stamped is placed into the workpiece slot 8 of the rotating seat 7. After starting the motor 9, the rotating seat 7 is driven to rotate intermittently through the transmission of the incomplete gear 14, the full gear 15, the first bevel gear 16, and the second bevel gear 17, so that the workpiece slot 8 is aligned with the stamping module 3 in sequence to complete the stamping. Each time the rotating seat 7 stops, the hydraulic push rod 5 drives the robotic arm module 4 to move synchronously. On the one hand, it takes out the finished shell that has been stamped, and on the other hand, it replenishes the empty workpiece slot 8 with a new metal sheet. At the same time, the robotic arm module 4 carries the taken-out finished shell and moves it along a preset trajectory to the top of the receiving groove 12, and puts the finished shell into the receiving groove 12 to wait for rinsing.

[0028] During the intermittent rotation of the rotating seat 7, the gear ring 13 sleeved on its circumferential sidewall will synchronously drive the driven gear 18 that meshes with it to rotate. Since the number of through holes 19 opened in the circumferential direction of the driven gear 18 is the same as the number of workpiece slots 8, and the upper end of the driven gear 18 is in close contact with the water outlet 24 at the lower end of the water storage cylinder 10, when the driven gear 18 rotates, the through holes 19 will successively coincide with the water outlet 25 of the water outlet 24. Only when the through holes 19 are aligned with the water outlet 25 can the clean water in the water storage cylinder 10 flow into the water receiving funnel 26 below through the water outlet 25 and the through holes 19. It is worth noting that the rotation rhythm of the driven gear 18 is driven by the gear ring 13 of the rotating seat 7, and the rotation frequency of the rotating seat 7 is completely synchronized with the stamping rhythm and the frequency of the robotic arm module 4 transferring finished products. That is, every time a stamping is completed and a finished product is transferred to the receiving trough 12, the driven gear 18 rotates exactly by the angle of a through hole 19, thereby achieving the timed matching of finished product entering the trough and clean water rinsing, avoiding water waste.

[0029] The clean water flowing into the receiving funnel 26 is transported through the water guide pipe 20 to the rinsing nozzle 21 fixed on the side wall of the receiving trough 12. Since the rinsing nozzle 21 is equipped with several rinsing nozzles 22 and is connected to the rinsing nozzle 21, the clean water will form a multi-directional water flow through the rinsing nozzles 22 and be sprayed directionally towards the finished shell in the receiving trough 12 to quickly wash away the oil stains remaining during the stamping process. The wastewater after rinsing is discharged into the water receiving tray 37 through the drain hole 23 at the lower end of the receiving trough 12 to ensure that the finished shell remains clean in the receiving trough 12, preparing it for subsequent processing or assembly.

[0030] Example 3 Reference Figure 8The difference from Embodiment 2 is that this embodiment includes a spray assembly, which consists of a spray box 27, a reservoir 29, and several spray nozzles 28, for spraying cleaning agent onto the surface of the stamped housing. The reservoir 29 has an injection end at its upper end and is equipped with a sealing cap. The spray box 27 is open and is located above the workpiece slot 8 adjacent to the working position of the stamping module 3. The reservoir 29 is fixedly connected to the side wall of the operating table 2, and its lower end is connected to the spray box 27 through a connecting pipe 30. Several spray nozzles 28 are respectively located on the inner and outer walls of the spray box 27 and are connected to it. A pump cylinder 36 is installed on the side wall of the operating table 1, and a pumping mechanism for pumping gas into the upper end of the reservoir 29 is installed inside the pump cylinder 36.

[0031] The air pumping mechanism includes a piston 32, an air inlet 31, an air pumping pipe 34, and an elastic air bag 35. The piston 32 is slidably connected to the inner wall of the air pumping cylinder 36. The air inlet 31 is located at the end of the air pumping cylinder 36. The air pumping pipe 34 is connected between the elastic air bag 35 and the end of the air pumping cylinder 36. The elastic air bag 35 is connected to the upper end of the reservoir 29, and a pressure valve is installed at the connection. A pushing mechanism for pushing the piston to move horizontally is installed on the outer wall of the piston 32.

[0032] The pushing mechanism includes a bent rod 33, one end of which is fixedly connected to the outer wall of the piston 32, and the other end is fixedly connected to the telescopic end of the hydraulic push rod 5.

[0033] An air inlet 31 is equipped with a one-way valve that allows air to flow from the outside to the pump cylinder 36 only, and an air pump cylinder 34 is equipped with a one-way valve that allows air to flow from the pump cylinder 36 to the elastic airbag 35 only.

[0034] In this embodiment, during the process of the rotating seat 7 stopping and the hydraulic push rod 5 driving the robotic arm module 4 to prepare for picking up and placing materials, the telescopic end of the hydraulic push rod 5 will drive the bent rod 33 fixedly connected to it to move horizontally in sync. Since the other end of the bent rod 33 is fixed to the outer wall of the piston 32 inside the air pump cylinder 36, and the piston 32 is sealed and slidably connected between the inner wall of the air pump cylinder 36, the bent rod 33 will push the piston 32 to slide back and forth inside the air pump cylinder 36.

[0035] When piston 32 slides outward from pump cylinder 36, a negative pressure is created inside pump cylinder 36, and outside air enters pump cylinder 36 through air inlet 31 equipped with a one-way valve. When piston 32 slides inward from pump cylinder 36, internal air is forced into elastic air bladder 35 through pump pipe 34 equipped with a one-way valve, causing elastic air bladder 35 to gradually expand and store pressure. When the air pressure inside elastic air bladder 35 reaches the threshold of the pressure valve at the connection point, the pressure valve automatically opens, and compressed air enters the upper end of storage cylinder 29, generating downward pressure on the cleaning agent. Under air pressure, the cleaning agent flows into the spray box 27 through the connecting pipe 30, and then is sprayed out through several spray nozzles 28 on the inner and outer walls of the spray box 27. Since the spray box 27 is positioned above the workpiece slot 8 and the spray nozzles 28 are distributed on the inner and outer sides, the cleaning agent can be sprayed onto the inner and outer walls of the finished product shell at the same time, chemically decomposing stubborn oil stains, metal shavings and burrs, laying the foundation for subsequent water rinsing and completely avoiding damage to the battery cell caused by metal shavings and burrs during subsequent assembly, further adapting to the needs of high-quality industrial production.

[0036] A processing method for a power lithium battery casing processing device includes the following steps: S1. Loading and preparing liquid: Place the metal sheet to be stamped on the workpiece slot 8, leaving the workpiece slot 8 above the receiving slot 12 and below the spray box 27 empty. Then add clean water to the water storage tank 10 and add cleaning agent to the agent storage tank 29. S2. Start-up and feeding: Start motor 9, stamping module 3, hydraulic push rod 5 and robot arm module 4. Then, every time the rotating seat 7 rotates, the stamping module 3 stamps a metal sheet once, the robot arm module 4 picks up the finished metal shell once, and then adds a metal sheet to the workpiece slot 8 above the receiving groove 12. S3. Cleaning and material handling: The hydraulic push rod 5 sprays the cleaning agent onto the inner and outer surfaces of the finished metal shell. The robotic arm module 4 places the finished metal shell on the upper end of the receiving trough 12. The rinsing nozzle 21 picks up clean water to rinse it. Then, the finished metal shell that has been cleaned and slid down to the lower end of the receiving trough 12 is taken out for subsequent processing.

[0037] The above description is only a preferred embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the scope of the technology disclosed in the present invention, based on the technical solution and inventive concept of the present invention, should be covered within the scope of protection of the present invention.

Claims

1. A power lithium battery casing processing device, comprising a device base (1), an operating table (2), a workpiece table (6), a batch processing assembly, a rinsing assembly, and a spraying assembly, characterized in that: The batch processing assembly consists of a stamping module (3), a robot arm module (4), a hydraulic push rod (5) and a rotating seat (7). The hydraulic push rod (5) is rotatably connected to the robot arm module (4). The rotating seat (7) is rotatably connected to the upper end of the workpiece table (6) and has multiple workpiece slots (8) along the circumference. The rotating seat (7) is fixed with a motor (9) and a drive mechanism. The flushing assembly consists of a receiving trough (12), a flushing nozzle (21), and several flushing nozzles (22). The receiving trough (12) is fixed to the side wall of the device base (1). The flushing nozzle (21) is fixed to the receiving trough (12) and connected to the flushing nozzles (22). A water supply mechanism is installed on the upper end of the device base (1). The spray assembly consists of a spray box (27), a reservoir (29), and several spray nozzles (28). The spray box (27) is open and its inner and outer walls are connected to the spray nozzles (28). The reservoir (29) is fixed to the operating table (2) and is connected to the spray box (27) by a connecting pipe (30). A pump cylinder (36) and a pumping mechanism are installed on the side wall of the operating table (1).

2. The power lithium battery casing processing device according to claim 1, characterized in that: The drive mechanism includes an incomplete gear (14), a full gear (15), a first bevel gear (16), and a second bevel gear (17). The incomplete gear (14) is coaxially fixedly connected to the output shaft of the motor (9). The full gear (15) is rotatably connected to the inner wall of the workpiece table (6) and intermittently meshes with the incomplete gear (14). The proportion of the toothed area of ​​the incomplete gear (14) in the whole area corresponds to the number of multiple workpiece slots (8). The first bevel gear (16) is coaxially fixedly connected to the full gear (15), and the second bevel gear (17) is coaxially fixedly connected to the rotating seat (7), and the two are meshed together.

3. The power lithium battery casing processing device according to claim 1, characterized in that: The water supply mechanism includes a water storage cylinder (10), a water receiving funnel (26), and a water guide pipe (20). The water storage cylinder (10) is fixedly connected to the device base (1) above by a bracket (11), and the lower end is provided with a water outlet (24) and a water outlet hole (25). The two ends of the water guide pipe (20) are respectively connected to the water receiving funnel (26) and the flushing nozzle (21). The water receiving funnel (26) is located directly below the water outlet hole (25), and a timing mechanism for making the water outlet hole discharge water at regular intervals is installed in the middle of the two.

4. The power lithium battery casing processing device according to claim 3, characterized in that: The timing mechanism includes a gear ring (13) sleeved on the circumferential sidewall of the rotating seat (7) and a driven gear (18) rotatably connected to the upper end of the device seat (1). The driven gear (18) meshes with the gear ring (13) and has several through holes (19) along the circumferential direction. The number of through holes (19) is the same as the number of workpiece slots (8). The upper end of the driven gear (18) is tightly fitted with the lower end of the water outlet (24), and each of the through holes (19) overlaps and connects with the water outlet (25) in sequence during rotation.

5. The power lithium battery casing processing device according to claim 1, characterized in that: The pumping mechanism includes a piston (32), an air inlet (31), a pumping pipe (34), and an elastic air bladder (35). The piston (32) is sealed and slidably connected to the inner wall of the pumping cylinder (36). The air inlet (31) is located at the end of the pumping cylinder (36). The pumping pipe (34) is connected between the elastic air bladder (35) and the end of the pumping cylinder (36). The elastic air bladder (35) is connected to the upper end of the reservoir (29), and a pressure valve is installed at the connection. A pushing mechanism for pushing the piston to move horizontally is installed on the outer wall of the piston (32).

6. The power lithium battery casing processing device according to claim 5, characterized in that: The pushing mechanism includes a bent rod (33), one end of which is fixedly connected to the outer wall of the piston (32), and the other end is fixedly connected to the telescopic end of the hydraulic push rod (5).

7. The power lithium battery casing processing device according to claim 5, characterized in that: The air inlet (31) is equipped with a one-way valve that allows air to flow from the outside to the pump cylinder (36), and the pump cylinder (34) is equipped with a one-way valve that allows air to flow from the pump cylinder (36) to the elastic airbag (35).

8. The power lithium battery casing processing device according to claim 1, characterized in that: The lower end of the receiving trough (12) is provided with multiple water leakage holes (23), and a water receiving tray (37) is fixedly connected to the side wall of the device base (1) directly below the multiple water leakage holes (23).

9. A processing method for a power lithium battery casing processing device as described in any one of claims 1-8, characterized in that, Includes the following steps: S1. Loading and preparing liquid: Place the metal sheet to be stamped on the workpiece slot (8), leaving the workpiece slot (8) above the receiving slot (12) and below the spray box (27) empty. Then add clean water to the water storage cylinder (10) and add cleaning agent to the agent storage cylinder (29). S2. Start-up and feeding: Start the motor (9), stamping module (3), hydraulic push rod (5) and robot module (4). Then, for each rotation of the rotating seat (7), the stamping module (3) stamps a metal sheet once, the robot module (4) picks up a finished metal shell once, and then adds a metal sheet to the workpiece slot (8) above the receiving groove (12). S3. Cleaning and material handling: The hydraulic push rod (5) sprays the cleaning agent onto the inner and outer surfaces of the finished metal shell. The robotic arm module (4) places the finished metal shell on the upper end of the receiving trough (12). The rinsing nozzle (21) picks up clean water to rinse it. Then, the finished metal shell that has been cleaned and slid down to the lower end of the receiving trough (12) is taken out for subsequent processing.

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