A multi-stage deep drawing forming process for battery aluminum shell

Abstract

The application discloses a battery aluminum shell multi-stage deep drawing forming process and belongs to the technical field of battery aluminum shell deep drawing. The battery aluminum shell multi-stage deep drawing forming process comprises an operation table, a stamping and deep drawing device arranged at the operation table and a mounting roller arranged at one end of the operation table and used for mounting an aluminum sheet, a conveying roller is arranged at the top wall of the operation table and is used for conveying the aluminum sheet at the mounting roller to the stamping and deep drawing device for stamping and deep drawing, the top wall of the operation table along the length direction of the mounting roller is provided with an inwardly recessed groove, an oiling mechanism is arranged at the operation table, and the oiling mechanism comprises a displacement assembly arranged at the bottom wall of the groove and a collecting tank arranged at the operation table and used for storing lubricating oil. Through the arrangement of the oiling mechanism, the lubricating oil can be uniformly applied on the surface of the aluminum sheet without manual intervention, the friction between the stamping die and the aluminum sheet in the stamping and deep drawing process is effectively reduced, the scratches or damages on the surface of the aluminum sheet are avoided, and the appearance quality and structural integrity of the battery aluminum shell are ensured.

Description

Technical Field

[0001] This invention relates to the field of deep drawing technology for aluminum battery casings, and more specifically, to a multi-stage deep drawing process for aluminum battery casings. Background Technology

[0002] With the rapid development of the new energy vehicle industry, the safety, energy density, and lightweight design of power batteries, as core components, have become the focus of industry attention. The power battery casing, as the carrier of the battery module, has a significant impact on the stable operation, safety protection, and overall vehicle performance of the battery module.

[0003] Existing stamping and deep drawing equipment requires the addition of lubricating oil to the surface of the aluminum sheet during the stamping and deep drawing process. This is mainly to prevent scratches or damage to the surface of the aluminum sheet caused by direct friction between the die and the aluminum sheet during the stamping and deep drawing process. Scratches not only affect the appearance quality of the battery shell, but may also have an adverse effect on its sealing performance, corrosion resistance and overall structural strength. Summary of the Invention

[0004] This invention provides a multi-stage deep drawing process for aluminum battery casings, which can overcome some or all of the defects of existing technologies.

[0005] According to a multi-stage deep drawing process for aluminum battery casing of the present invention, the process includes an operating table, a stamping and deep drawing device disposed on the operating table, and an mounting roller disposed at one end of the operating table for mounting aluminum sheets. A conveying roller is disposed on the top wall of the operating table, and the conveying roller is used to transport the aluminum sheets at the mounting roller to the stamping and deep drawing device for stamping and deep drawing.

[0006] The top wall of the operating table along the length of the mounting roller has an inwardly recessed groove. An oiling mechanism is provided at the oiling mechanism, which includes a displacement component located at the bottom wall of the groove and a collection tank located at the operating table for storing lubricating oil. The displacement component has a moving end, the top wall of the moving end is provided with an oiling component, and the bottom wall of the moving end is detachably provided with a collection component. The oiling component is used to spray the lubricating oil in the collection tank onto the surface of the aluminum sheet, and the collection component is used to collect the excess lubricating oil on the surface of the aluminum sheet.

[0007] By setting up an oiling mechanism, lubricating oil can be evenly applied to the surface of the aluminum sheet without manual intervention. This effectively reduces the friction between the stamping die and the aluminum sheet during the stamping and drawing process, thereby preventing scratches or damage to the surface of the aluminum sheet and ensuring the appearance quality and structural integrity of the battery aluminum shell.

[0008] Understandably, the collection component collects excess lubricating oil into a collection tank, preventing lubricating oil from contaminating the workbench, facilitating recycling, reducing lubricating oil consumption, and lowering production costs.

[0009] Understandably, the displacement component enables the oiling component to apply oil precisely at different locations on the aluminum sheet, meeting the stamping and deep drawing requirements of aluminum casings of different sizes and shapes, and enhancing the flexibility and adaptability of the equipment.

[0010] Preferably, the displacement component includes a base fixedly disposed at the bottom wall of the groove, a track formed at the top wall of the base along the length direction of the mounting roller, a housing slidably disposed at the track, an opening formed at the bottom wall of the housing, two fixing blocks through the opening at the base, a lead screw disposed between the two fixing blocks, a moving block connected to the housing at the lead screw, and a motor for driving the lead screw to rotate at the base.

[0011] By setting up the displacement component, the motor drives the lead screw to rotate. The screw and the moving block are threaded together, allowing the housing to move precisely along the track on the base. This ensures that the collection component can move to the side of the aluminum sheet, thereby accurately collecting excess lubricating oil from the surface of the aluminum sheet. At the same time, it can also move the oiling component to the surface of the aluminum sheet.

[0012] Understandably, because the track is set along the length of the mounting roller and the housing can slide on the track, the displacement assembly can adapt to aluminum sheets of different lengths, enabling the device to handle battery aluminum housings of various sizes, thus enhancing the versatility and flexibility of the equipment.

[0013] Preferably, the collection assembly includes two collection components symmetrically arranged along the length of the operating table. A scraper is detachably provided between the two collection components near the end of the stamping and drawing device. A brush is provided on the bottom wall of the scraper, and the brush is used to evenly apply the lubricant to the surface of the aluminum sheet.

[0014] By using the brushes on the bottom wall of the scraper, lubricant can be evenly applied to the surface of the aluminum sheet as it passes by. This not only ensures that the aluminum sheet surface is adequately lubricated, reducing friction and resistance during the stamping and drawing process, but also prevents uneven accumulation or dripping of lubricant on the aluminum sheet surface, thereby optimizing the lubrication effect and improving the forming quality and surface finish of the battery aluminum casing.

[0015] Understandably, by symmetrically setting two collecting components and detachably installing scrapers between the ends near the stamping and drawing device, the scrapers can closely adhere to the surface of the aluminum sheet and effectively scrape off excess lubricant. The collecting components are responsible for collecting the scraped-off lubricant to prevent it from dripping onto the worktable or other parts, causing pollution or waste.

[0016] Understandably, the detachable design of the scraper and brush facilitates replacement and cleaning.

[0017] Preferably, a fixing member is formed on the side wall of one of the collecting components, the fixing member being detachably connected to the bottom wall of the housing, and a fixing frame is provided on the bottom wall of the other collecting component, the fixing frame being detachably provided on the bottom wall of the groove.

[0018] Because the collecting components can be easily disassembled and replaced, they can be changed or adjusted according to different aluminum sheet thicknesses or widths, enhancing the flexibility of the equipment and enabling the device to adapt to a variety of different production needs.

[0019] Preferably, the top wall of the collecting component has an inwardly recessed collecting cavity, the bottom wall of the collecting cavity has a circular hole, and a first connecting pipe is provided between the circular hole and the collecting tank. The first connecting pipe is used to connect the collecting cavity and the collecting tank. The bottom wall of the collecting cavity is inclined from the end near the scraper to the end of the circular hole.

[0020] The collection chamber allows excess lubricant to flow into it easily. Since the bottom wall of the collection chamber is inclined from the end near the scraper to the end of the round hole, it ensures that the lubricant can flow smoothly along the bottom wall of the collection chamber to the round hole and be guided into the collection tank by the first connecting pipe, which improves the collection efficiency of the lubricant and avoids the waste and pollution of the lubricant.

[0021] Preferably, the top wall of the collecting component has a fitting portion that fits with the bottom of the aluminum sheet, the fitting portion has a guide plate extending toward the collecting cavity, the guide plate is inclined downward, and the fitting portion has a baffle that fits with the side of the aluminum sheet.

[0022] The design of the fitting part allows the collector to fit tightly against the bottom of the aluminum sheet, effectively intercepting and collecting excess lubricant. The downward tilt of the guide plate further guides the lubricant to flow into the collection chamber, ensuring that the lubricant does not overflow or drip from the edge of the collector, thus enhancing the lubricant collection effect and reducing lubricant waste and pollution.

[0023] Understandably, the design of the baffle fitting snugly against the side of the aluminum sheet effectively prevents lubricant from overflowing from the side of the aluminum sheet, and also provides a guide and limit for the aluminum sheet, avoiding contamination of the equipment and the ground by the lubricant. It also ensures that all the lubricant can be collected into the collection chamber, thus improving collection efficiency.

[0024] Preferably, the bottom of the collecting component forms a recessed mounting cavity, and a heating block is provided on the top wall of the mounting cavity for heating the lubricating oil in the collecting cavity.

[0025] By heating the lubricating oil in the collection chamber to an appropriate temperature using a heating block, its fluidity can be improved, thereby increasing the collection efficiency.

[0026] By setting up the heating block, the collection component can adapt to the production needs of different temperature environments. Whether in high or low temperature environments, the appropriate temperature of the lubricating oil can be maintained by adjusting the heating power of the heating block, thereby ensuring the stable operation of the equipment and product quality.

[0027] Preferably, the oiling assembly includes a mounting bracket located on the housing, a first cylinder located on the mounting bracket, a sliding bracket slidably mounted on the mounting bracket along the height direction, the sliding bracket being connected to the telescopic end of the first cylinder, the first cylinder driving the sliding bracket to move along the height direction of the mounting bracket, a second cylinder located on the top wall of the sliding bracket, a fixing plate located at the telescopic end of the second cylinder, a nozzle detachably mounted on the fixing plate, an applicator located at the nozzle, the applicator being used to evenly apply lubricating oil, a second connecting pipe located between the nozzle and the collection tank, a liquid pump located inside the collection tank, and the second connecting pipe being connected to the output end of the liquid pump.

[0028] The oiling assembly, through the coordinated arrangement of the first and second cylinders, can precisely control the position and height of the nozzle, thereby achieving precise control over the application of lubricating oil. This not only ensures that the lubricating oil is evenly applied to the surface of the aluminum sheet, but also avoids waste and contamination of the lubricating oil.

[0029] Understandably, the design of the coating component allows the lubricant to be applied more evenly to the surface of the aluminum sheet.

[0030] Preferably, the coating assembly includes a fixed arm located at the nozzle, the fixed arm being V-shaped, a base plate located at the bottom wall of the fixed arm, a rotating arm rotatably located at the base plate, a roller brush rotatably located at the rotating arm, and a spring located between the rotating arm and the base plate, the spring being used to provide elastic force to keep the rotating arm pressed downward.

[0031] The coating component applies lubricant to the surface of the aluminum sheet using a roller brush. The soft material and rotational characteristics of the roller brush ensure that the lubricant is evenly distributed on the surface of the aluminum sheet, avoiding problems such as uneven coating or omissions, improving coating efficiency and quality, and ensuring that the aluminum sheet is adequately lubricated during the stamping and deep drawing process.

[0032] Understandably, the spring between the rotating arm and the base plate allows the roller brush to adaptively adjust to different aluminum sheet thicknesses. When the aluminum sheet is thicker, the roller brush experiences greater pressure, slightly compressing the spring to maintain close contact with the aluminum sheet surface; when the aluminum sheet is thinner, the spring provides sufficient elasticity to maintain appropriate pressure on the roller brush, enhancing the adaptability and flexibility of the coating assembly, making it suitable for aluminum sheets of varying thicknesses.

[0033] The fixed arm is V-shaped, which allows the lubricating oil at the nozzle to be gradually applied from the inside to the outside through the roller brush, thus improving the application efficiency.

[0034] A multi-stage deep drawing process for battery aluminum casing, implemented based on any of the above-described battery aluminum casing stamping and deep drawing apparatuses, includes the following steps:

[0035] S1. The collection piece located at the displacement component is brought to one side of the aluminum sheet by the displacement component, and another collection piece is brought to the other side of the aluminum sheet by the displacement component. The connecting scraper brings the brush into contact with the surface of the aluminum sheet.

[0036] S2. The first cylinder brings the coating component at the nozzle into contact with the surface of the aluminum sheet.

[0037] S3. The lubricating oil in the collection tank is delivered to the nozzle by the liquid pump and sprayed onto the surface of the aluminum sheet. The lubricating oil sprayed onto the surface of the aluminum sheet is applied by the coating component and the brush.

[0038] S4. The material is conveyed to the deep drawing device via conveyor rollers for multi-stage deep drawing operations.

[0039] The above methods enable automated control of lubricant application and deep drawing operations on aluminum sheets, which not only reduces operational difficulty and labor intensity but also improves production efficiency and safety. Attached Figure Description

[0040] Figure 1 This is a schematic diagram of the overall structure of a battery aluminum shell stamping and deep drawing device.

[0041] Figure 2 This is a schematic diagram of the mounting rollers in a battery aluminum casing stamping and deep drawing device.

[0042] Figure 3 This is a schematic diagram of the overall side cross-sectional structure of a battery aluminum shell stamping and drawing device.

[0043] Figure 4 This is a schematic diagram of the oiling mechanism of a battery aluminum shell stamping and deep drawing device.

[0044] Figure 5 This is a side cross-sectional view of the oiling mechanism of a battery aluminum shell stamping and deep drawing device.

[0045] Figure 6 This is a schematic diagram of the collection component structure of a battery aluminum shell stamping and deep drawing device.

[0046] Figure 7 This is a schematic cross-sectional view of the collecting component of a battery aluminum casing stamping and deep drawing device.

[0047] Figure 8 This is a schematic diagram of the oiling component structure of a battery aluminum shell stamping and deep drawing device.

[0048] Figure 9 This is a schematic diagram of the coating component structure of a battery aluminum shell stamping and deep drawing device.

[0049] 110. Operating table; 120. Conveyor roller; 130. Oiling mechanism; 140. Stamping and drawing device; 210. Mounting roller; 310. Groove; 410. Displacement assembly; 420. Collection assembly; 430. Oiling assembly; 440. Collection tank; 510. Base; 520. Track; 530. Fixing block; 540. Lead screw; 550. Moving block; 560. Housing; 610. Collection component; 611. Fixing component; 620. Scraper; 630. 640. Brush; 710. First connecting pipe; 720. Collection chamber; 730. Mounting chamber; 750. Heating block; 760. Guide plate; 710. Baffle; 810. Mounting bracket; 820. First cylinder; 830. Sliding bracket; 840. Second cylinder; 850. Fixing plate; 860. Nozzle; 870. Application assembly; 880. Second connecting pipe; 910. Fixing arm; 920. Base plate; 930. Rotating arm; 940. Roller brush; 950. Spring. Detailed Implementation

[0050] To further understand the content of this invention, a detailed description of the invention is provided in conjunction with embodiments. It should be understood that the embodiments are merely illustrative and not limiting of the invention.

[0051] Example 1

[0052] Please see Figure 1-9 This embodiment provides a battery aluminum shell stamping and drawing device, which includes an operating table 110, a stamping and drawing device 140 disposed on the operating table 110, and an mounting roller 210 disposed at one end of the operating table 110 for mounting aluminum sheets. A conveying roller 120 is provided on the top wall of the operating table 110. The conveying roller 120 is used to transport the aluminum sheet at the mounting roller 210 to the stamping and drawing device 140 for stamping and drawing.

[0053] The top wall of the operating table 110 along the length of the mounting roller 210 has an inwardly recessed groove 310. The oiling mechanism 130 is provided at the operating table 110. The oiling mechanism 130 includes a displacement component 410 provided at the bottom wall of the groove 310 and a collection tank 440 provided at the operating table 110 for storing lubricating oil. The displacement component 410 has a moving end. The top wall of the moving end is provided with an oiling component 430, and the bottom wall of the moving end is detachably provided with a collection component 420. The oiling component 430 is used to spray the lubricating oil in the collection tank 440 onto the surface of the aluminum sheet, and the collection component 420 is used to collect the excess lubricating oil on the surface of the aluminum sheet.

[0054] The present invention discloses a battery aluminum shell stamping and deep drawing device, which, through the setting of the oiling mechanism 130, can uniformly apply lubricating oil to the surface of the aluminum sheet without manual intervention, effectively reducing the friction between the stamping die and the aluminum sheet during the stamping and deep drawing process, thereby avoiding scratches or damage to the surface of the aluminum sheet and ensuring the appearance quality and structural integrity of the battery aluminum shell.

[0055] Understandably, the collection component 420 collects excess lubricating oil into the collection tank 440, preventing lubricating oil from contaminating the workbench 110, facilitating recycling, reducing lubricating oil consumption, and lowering production costs.

[0056] Understandably, the displacement component 410 enables the oiling component 430 to apply oil precisely at different locations on the aluminum sheet, meeting the stamping and deep drawing requirements of aluminum casings of different sizes and shapes, and enhancing the flexibility and adaptability of the equipment.

[0057] In this embodiment, the displacement component 410 includes a base 510 fixedly disposed on the bottom wall of the groove 310. A track 520 is formed on the top wall of the base 510 along the length direction of the mounting roller 210. A housing 560 is slidably disposed on the track 520. An opening is formed on the bottom wall of the housing 560. Two fixing blocks 530 are provided on the base 510 through the opening. A lead screw 540 is provided between the two fixing blocks 530. A moving block 550 connected to the housing 560 is provided on the lead screw 540. A motor for driving the lead screw 540 to rotate is provided on the base 510.

[0058] By setting the displacement component 410, the motor drives the lead screw 540 to rotate. The lead screw 540 and the moving block 550 are threaded together, so that the housing 560 can move precisely along the track 520 on the base 510. This ensures that the collection component 420 can move to the side of the aluminum sheet, thereby achieving precise collection of excess lubricating oil on the surface of the aluminum sheet. At the same time, the oiling component 430 can also be moved to the surface of the aluminum sheet.

[0059] Understandably, since the track 520 is arranged along the length of the mounting roller 210 and the housing 560 can slide on the track 520, the displacement assembly 410 can adapt to aluminum sheets of different lengths, enabling the device to handle battery aluminum housings of various sizes, thus enhancing the versatility and flexibility of the equipment.

[0060] In this embodiment, the collection component 420 includes two collection members 610 symmetrically arranged along the length of the operating table 110. A scraper 620 is detachably provided between the two collection members 610 near one end of the stamping and drawing device 140. A brush 630 is provided on the bottom wall of the scraper 620. The brush 630 is used to evenly apply the lubricant to the surface of the aluminum sheet.

[0061] By setting the brush 630 at the bottom wall of the scraper 620, the lubricant can be evenly applied to the surface of the aluminum sheet as it passes by. This not only ensures that the surface of the aluminum sheet is adequately lubricated, reducing friction and resistance during the stamping and drawing process, but also prevents the lubricant from forming uneven accumulation or dripping on the surface of the aluminum sheet, thereby optimizing the lubrication effect and improving the forming quality and surface finish of the battery aluminum shell.

[0062] Understandably, by symmetrically arranging two collection components 610, a scraper 620 is detachably installed between the two ends near the stamping and drawing device 140, so that the scraper 620 can closely adhere to the surface of the aluminum sheet and effectively scrape off excess lubricant. The collection component 610 is responsible for collecting the scraped lubricant to prevent it from dripping onto the worktable 110 or other components, causing pollution or waste.

[0063] Understandably, the detachable design of the scraper 620 and brush 630 facilitates replacement and cleaning.

[0064] In this embodiment, a fixing member 611 is formed on the side wall of one of the collecting components 610. The fixing member 611 is used to detachably connect to the bottom wall of the housing 560. A fixing frame is provided on the bottom wall of the other collecting component 610. The fixing frame is detachably provided on the bottom wall of the groove 310.

[0065] Because the collecting components 420 can be easily disassembled and replaced, they can be changed or adjusted according to different aluminum sheet thicknesses or widths, enhancing the flexibility of the equipment and enabling the device to adapt to a variety of different production needs.

[0066] In this embodiment, a recessed collection cavity 710 is formed on the top wall of the collection component 610, and a circular hole is formed on the bottom wall of the collection cavity 710. A first connecting pipe 640 is provided between the circular hole and the collection tank 440. The first connecting pipe 640 is used to connect the collection cavity 710 and the collection tank 440. The bottom wall of the collection cavity 710 is inclined from the end near the scraper 620 to the end of the circular hole.

[0067] The collection chamber 710 allows excess lubricant to flow into it easily. Since the bottom wall of the collection chamber 710 is inclined from the end near the scraper 620 to the end of the round hole, it ensures that the lubricant can flow smoothly along the bottom wall of the collection chamber 710 to the round hole and be guided by the first connecting pipe 640 to the collection tank 440, thereby improving the collection efficiency of the lubricant and avoiding waste and pollution of the lubricant.

[0068] In this embodiment, a fitting portion is formed on the top wall of the collecting member 610 to fit with the bottom of the aluminum sheet. A guide plate 750 extending toward the collecting cavity 710 is formed at the fitting portion. The guide plate 750 is inclined downward. A baffle 760 is formed at the fitting portion to fit with the side of the aluminum sheet.

[0069] The fitting part allows the collector 610 to fit tightly against the bottom of the aluminum sheet, effectively intercepting and collecting excess lubricant. The downward tilt of the guide plate 750 further guides the lubricant to the collection chamber 710, ensuring that the lubricant does not overflow or drip from the edge of the collector 610, thus enhancing the lubricant collection effect and reducing lubricant waste and pollution.

[0070] Understandably, the design of the baffle 760 fitting snugly against the side of the aluminum sheet effectively prevents lubricant from overflowing from the side of the aluminum sheet, and also provides a guide and limit for the aluminum sheet, avoiding contamination of the equipment and the ground by the lubricant. It also ensures that all the lubricant can be collected into the collection chamber 710, thus improving the collection efficiency.

[0071] In this embodiment, a recessed mounting cavity 720 is formed at the bottom of the collecting member 610, and a heating block 730 is provided at the top wall of the mounting cavity 720. The heating block 730 is used to heat the lubricating oil in the collecting cavity 710.

[0072] By heating the lubricating oil in the collection chamber 710 to an appropriate temperature using the heating block 730, its fluidity can be improved, thereby increasing the collection efficiency.

[0073] By setting up the heating block 730, the collection component 420 can adapt to the production needs under different temperature environments. Whether in high or low temperature environments, the appropriate temperature of the lubricating oil can be maintained by adjusting the heating power of the heating block 730, thereby ensuring the stable operation of the equipment and product quality.

[0074] In this embodiment, the oiling assembly 430 includes a mounting bracket 810 disposed on the housing 560. A first cylinder 820 is disposed on the mounting bracket 810. A sliding frame 830 is slidably disposed on the mounting bracket 810 along the height direction. The sliding frame 830 is connected to the telescopic end of the first cylinder 820. The first cylinder 820 is used to drive the sliding frame 830 to move along the height direction of the mounting bracket 810. A second cylinder 840 is disposed on the top wall of the sliding frame 830. A fixing plate 850 is disposed on the telescopic end of the second cylinder 840. A nozzle 860 is detachably disposed on the fixing plate 850. An applicator 870 is disposed on the nozzle 860. The applicator 870 is used to evenly apply lubricating oil. A second connecting pipe 880 is disposed between the nozzle 860 and the collection tank 440. A liquid pump is disposed inside the collection tank 440. The second connecting pipe 880 is connected to the output end of the liquid pump.

[0075] The oiling assembly 430, through the cooperation of the first cylinder 820 and the second cylinder 840, can precisely control the position and height of the nozzle 860, thereby achieving precise control of the lubricant application. This not only ensures that the lubricant can be evenly applied to the aluminum sheet surface, but also avoids lubricant waste and contamination.

[0076] Understandably, the design of the coating component 870 allows the lubricant to be applied more evenly to the surface of the aluminum sheet.

[0077] In this embodiment, the application assembly 870 includes a fixed arm 910 disposed at the nozzle 860. The fixed arm 910 is V-shaped. A base plate 920 is provided at the bottom wall of the fixed arm 910. A rotating arm 930 is rotatably disposed at the base plate 920. A roller brush 940 is rotatably disposed at the rotating arm 930. A spring 950 is provided between the rotating arm 930 and the base plate 920. The spring 950 is used to provide elastic force to keep the rotating arm 930 pressed downward.

[0078] The coating component 870 applies lubricant to the surface of the aluminum sheet using a roller brush 940. The soft material and rotational characteristics of the roller brush 940 ensure that the lubricant is evenly distributed on the surface of the aluminum sheet, avoiding uneven or missed application, improving coating efficiency and quality, and ensuring that the aluminum sheet is adequately lubricated during the stamping and deep drawing process.

[0079] Understandably, the spring 950 positioned between the rotating arm 930 and the base plate 920 allows the roller brush 940 to adaptively adjust according to the thickness of different aluminum sheets. When the aluminum sheet is thicker, the roller brush 940 receives greater pressure, slightly compressing the spring 950 to maintain close contact with the aluminum sheet surface; when the aluminum sheet is thinner, the spring 950 provides sufficient elasticity to maintain appropriate pressure on the roller brush 940, enhancing the adaptability and flexibility of the coating assembly 870, making it suitable for aluminum sheets of different thicknesses.

[0080] The fixed arm 910 is V-shaped, which allows the lubricating oil at the nozzle 860 to be gradually applied from the inside to the outside through the roller brush 940, thus improving the application efficiency.

[0081] Example 2

[0082] Seen in Figure 1-9 This embodiment provides a multi-stage deep drawing forming process for battery aluminum shells, which is based on a battery aluminum shell stamping and deep drawing device described in Embodiment 1, and includes the following steps:

[0083] S1. The collection member 610 located at the displacement assembly 410 is pressed against one side of the aluminum sheet by the displacement assembly 410, and another collection member 610 is pressed against the other side of the aluminum sheet by the displacement assembly 410. The connecting scraper 620 brings the brush 630 into contact with the surface of the aluminum sheet.

[0084] S2. The first cylinder 820 brings the coating component 870 at the nozzle 860 into contact with the surface of the aluminum sheet.

[0085] S3. The lubricating oil in the collection tank 440 is delivered to the nozzle 860 by the liquid pump and sprayed onto the surface of the aluminum sheet. The lubricating oil sprayed onto the surface of the aluminum sheet is applied by the coating component 870 and the brush 630.

[0086] S4. The material is conveyed to the deep drawing device 140 via the conveyor roller 120 for multi-stage deep drawing operation.

[0087] The above methods enable automated control of lubricant application and deep drawing operations on aluminum sheets, which not only reduces operational difficulty and labor intensity but also improves production efficiency and safety.

[0088] It is readily understood that those skilled in the art can combine, split, or reorganize the embodiments provided in this application to obtain other embodiments, all of which do not exceed the protection scope of this application.

[0089] The present invention and its embodiments have been described above illustratively. This description is not restrictive, and the embodiments shown are only part of the embodiments of the present invention. The actual structure is not limited thereto. Therefore, if those skilled in the art are inspired by this description and design similar structures and embodiments without departing from the spirit of the present invention, they should all fall within the protection scope of the present invention.

Claims

1. A battery aluminum shell stamping and drawing device, comprising an operating table (110), a stamping and drawing device (140) disposed on the operating table (110), and an mounting roller (210) disposed at one end of the operating table (110) for mounting aluminum sheets, wherein a conveying roller (120) is provided on the top wall of the operating table (110), and the conveying roller (120) is used to convey the aluminum sheets at the mounting roller (210) to the stamping and drawing device (140) for stamping and drawing; The operating table (110) has an inwardly recessed groove (310) on the top wall along the length of the mounting roller (210). The oiling mechanism (130) is provided at the operating table (130). The oiling mechanism (130) includes a displacement component (410) provided at the bottom wall of the groove (310) and a collection tank (440) provided at the operating table (110) for storing lubricating oil. The displacement component (410) has a moving end. The top wall of the moving end is provided with an oiling component (430), and the bottom wall of the moving end is detachably provided with a collection component (420). The oiling component (430) is used to spray the lubricating oil in the collection tank (440) onto the surface of the aluminum sheet. The collection component (420) is used to collect the excess lubricating oil on the surface of the aluminum sheet.

2. The battery aluminum shell stamping and deep drawing device according to claim 1, characterized in that: The displacement assembly (410) includes a base (510) fixedly disposed at the bottom wall of the groove (310), a track (520) formed at the top wall of the base (510) along the length direction of the mounting roller (210), a housing (560) slidably disposed at the track (520), a through opening formed at the bottom wall of the housing (560), two fixing blocks (530) through the through opening provided at the base (510), a lead screw (540) provided between the two fixing blocks (530), a moving block (550) connected to the housing (560) provided at the lead screw (540), and a motor for driving the lead screw (540) to rotate at the base (510).

3. The battery aluminum shell stamping and deep drawing device according to claim 1, characterized in that: The collecting assembly (420) includes two collecting components (610) symmetrically arranged along the length of the operating table (110). The two collecting components (610) are detachably provided with a scraper (620) between the ends near the stamping and drawing device (140). A brush (630) is provided on the bottom wall of the scraper (620) and is used to evenly apply the lubricant to the surface of the aluminum sheet.

4. The battery aluminum shell stamping and deep drawing device according to claim 1, characterized in that: A fixing member (611) is formed on the side wall of one of the collecting components (610), and the fixing member (611) is used to be detachably connected to the bottom wall of the housing (560). A fixing frame is provided on the bottom wall of the other collecting component (610), and the fixing frame is detachably provided on the bottom wall of the groove (310).

5. The battery aluminum shell stamping and deep drawing device according to claim 4, characterized in that: The top wall of the collecting component (610) has an inwardly recessed collecting cavity (710), and the bottom wall of the collecting cavity (710) has a round hole. A first connecting pipe (640) is provided between the round hole and the collecting tank (440). The first connecting pipe (640) is used to connect the collecting cavity (710) and the collecting tank (440). The bottom wall of the collecting cavity (710) is inclined from the end near the scraper (620) to the end of the round hole.

6. The battery aluminum shell stamping and deep drawing device according to claim 4, characterized in that: The top wall of the collecting component (610) has a fitting part that fits with the bottom of the aluminum sheet. A guide plate (750) extending toward the collecting cavity (710) is formed at the fitting part. The guide plate (750) is inclined downward. A baffle (760) that fits with the side of the aluminum sheet is formed at the fitting part.

7. The battery aluminum shell stamping and deep drawing device according to claim 4, characterized in that: The bottom of the collecting component (610) forms a recessed mounting cavity (720), and a heating block (730) is provided on the top wall of the mounting cavity (720). The heating block (730) is used to heat the lubricating oil in the collecting cavity (710).

8. The battery aluminum shell stamping and deep drawing device according to claim 1, characterized in that: The oiling assembly (430) includes a mounting bracket (810) disposed on the housing (560), a first cylinder (820) disposed on the mounting bracket (810), a sliding bracket (830) slidably disposed on the mounting bracket (810) along the height direction, the sliding bracket (830) being connected to the telescopic end of the first cylinder (820), the first cylinder (820) being used to drive the sliding bracket (830) to move along the height direction of the mounting bracket (810), and a second cylinder being disposed on the top wall of the sliding bracket (830). The cylinder (840) has a fixed plate (850) at its telescopic end. The fixed plate (850) has a nozzle (860) detachably mounted on it. The nozzle (860) has an applicator (870) for evenly applying lubricating oil. A second connecting pipe (880) is provided between the nozzle (860) and the collection tank (440). The collection tank (440) is equipped with a liquid pump. The second connecting pipe (880) is connected to the output end of the liquid pump.

9. A battery aluminum casing stamping and deep drawing device according to claim 8, characterized in that: The applicator assembly (870) includes a fixed arm (910) located at the nozzle (860), the fixed arm (910) being V-shaped, a base plate (920) located on the bottom wall of the fixed arm (910), a rotating arm (930) rotatably located on the base plate (920), a roller brush (940) rotatably located on the rotating arm (930), and a spring (950) located between the rotating arm (930) and the base plate (920), the spring (950) being used to provide a spring force to keep the rotating arm (930) pressed downward.

10. A multi-stage deep drawing process for battery aluminum casing, characterized in that, It is implemented based on a battery aluminum shell stamping and deep drawing apparatus according to any one of claims 1-9, and includes the following steps: S1. The collection member (610) located at the displacement assembly (410) is pressed against one side of the aluminum sheet by the displacement assembly (410), and another collection member (610) is pressed against the other side of the aluminum sheet by the other collection member (610). The connecting scraper (620) brings the brush (630) into contact with the surface of the aluminum sheet. S2, The first cylinder (820) brings the coating component (870) at the nozzle (860) into contact with the surface of the aluminum sheet; S3. The lubricating oil in the collection tank (440) is delivered to the nozzle (860) by the liquid pump and sprayed onto the surface of the aluminum sheet. The lubricating oil sprayed onto the surface of the aluminum sheet is applied by the coating assembly (870) and the brush (630). S4. The material is conveyed to the deep drawing device (140) via the conveyor roller (120) for multi-stage deep drawing operation.

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