An internal steel chip removal apparatus for a steel shell and method of use

Abstract

The application discloses a kind of inside steel scrap removing equipment of steel shell and use method, it is related to battery production technical field, equipment includes cleaning platform and bearing assembly, the top of the cleaning platform is sequentially provided with feeding platform, movable platform and discharge platform, the movable platform below is provided with magnetic attraction component, the movable platform top is provided with adsorption component;The bearing assembly is loaded with a plurality of battery steel shell;Method includes feeding, battery steel shell cleaning, discharging and race steel pipe cleaning;When the battery steel shell is cleaned, the bearing assembly carries multiple battery steel shell between the magnetic attraction component and the adsorption component, by magnetic attraction component into the battery steel shell inner cavity, adsorbs the steel scrap attached in battery steel shell inner cavity.

Description

Technical Field

[0001] This invention relates to the field of battery manufacturing technology, specifically to a device and method for removing internal steel chips from a steel casing. Background Technology

[0002] In the manufacturing of cylindrical lithium-ion batteries, the metal casing, as a core packaging component, directly affects the battery's electrochemical performance and safety reliability due to its processing precision and surface cleanliness. Currently, the manufacturing of circular metal casings (steel casings) typically employs a continuous stretching process to obtain a cylindrical substrate with a predetermined wall thickness and diameter. Subsequently, laser cutting technology is used to precisely trim the ends to meet assembly dimensional requirements. However, the high-temperature energy input generated during laser cutting causes oxidation reactions at the cut edges, forming an oxide layer and a heat-affected zone. To ensure the surface quality of the casing and the reliability of subsequent welding processes, mechanical grinding of the cut area is usually necessary.

[0003] During the grinding process, when the high-speed rotating grinding wheel comes into contact with the steel shell surface, the resulting metal fragments (steel chips) are easily splashed radially along the inner wall of the shell under centrifugal force. Because the steel shell is a thin-walled, hollow structure, its inner cavity forms an open channel with the grinding area, causing a large number of fine steel chip particles to intrude into the internal space of the shell through the cuts. Such steel chip residue will cause multiple technical problems: First, free metal particles may undergo electrochemical reactions with the electrolyte during the battery filling process, producing byproducts such as hydrogen gas, leading to an abnormal increase in battery internal pressure; second, steel chips may puncture the separator during battery charge-discharge cycles, causing short circuits between the positive and negative electrodes, resulting in battery capacity decay or even the risk of thermal runaway; in addition, foreign matter residue will reduce the consistency of contact resistance at the welded interface between the shell and the cover plate, affecting the voltage equalization performance of the battery pack.

[0004] Current processes typically employ auxiliary steps such as air gun blowing or non-woven cloth wiping to address steel shavings residue. However, due to the limited accessibility of the deep cavity structure of the steel casing, these auxiliary steps, while effective at removing steel shavings adhering to the surface and shallow inner walls, have limited effectiveness in removing steel shavings adhering deep within the inner walls or at corners. Furthermore, the probability of residue increases exponentially with the casing height. Residual steel shavings constrain the mass production yield and long-term reliability of high-energy-density batteries.

[0005] Therefore, there is an urgent need to develop a technology that can effectively remove steel chips from inside the steel casing, providing a fundamental process guarantee for the manufacture of high-performance batteries. Summary of the Invention

[0006] The purpose of this invention is to provide a device and method for removing steel chips inside a steel shell, which solves the problem that the removal effect of steel chip particles adhering deep to the inner wall or in the corner area is limited, thus restricting the mass production yield and long-term reliability of high energy density batteries.

[0007] The objective of this invention can be achieved through the following technical solutions:

[0008] A steel shell internal steel chip removal device includes a cleaning platform and a supporting component. The top of the cleaning platform is sequentially provided with a feeding platform, a movable platform and a unloading platform. A magnetic suction component is provided below the movable platform and an adsorption component is provided above the movable platform.

[0009] The supporting component carries multiple battery steel shells;

[0010] During the cleaning of the battery steel shell, the supporting component carries multiple battery steel shells between the magnetic component and the adsorption component. The magnetic component extends into the inner cavity of the battery steel shell to adsorb the steel shavings attached to the inner cavity of the battery steel shell.

[0011] As a further aspect of the present invention: the cleaning platform includes a base, and a platform is horizontally arranged on the top of the base;

[0012] The loading platform is located on one side of the platform, and the loading platform includes two sets of symmetrically arranged support plates, and a slide rail is provided on the support plate.

[0013] The unloading platform is located on the other side of the platform. The unloading platform includes two sets of symmetrically arranged support plates, and the top of the support plates is provided with slide rails.

[0014] The second support plate is on the same horizontal plane as the first support plate.

[0015] As a further aspect of the present invention: the active platform includes multiple movable guide columns fixed on the platform, the movable guide columns on the same side are slidably connected to a movable support plate, and a return spring is sleeved on the movable guide column;

[0016] The movable support plate is on the same horizontal plane as the second support plate and the first support plate.

[0017] As a further aspect of the present invention: the top surface of the movable support plate is symmetrically provided with slide rail three, and slide rail one, slide rail two and slide rail three on the same side are distributed in a straight line and cooperate to form a long slide rail.

[0018] As a further embodiment of the present invention: the bearing assembly includes a bearing base plate, multiple sets of sliders are symmetrically arranged on both sides of the bottom of the bearing base plate, and a support plate is connected to the top of the bearing base plate;

[0019] The top surface of the supporting base plate has multiple placement holes arranged in a matrix, and the tray has support holes corresponding to the placement holes.

[0020] As a further embodiment of the present invention: the magnetic suction assembly includes a mounting plate, the mounting plate being slidably disposed on the platform, and two sets of cylinders being disposed on the bottom surface of the platform, the telescopic rods of the two sets of cylinders passing through the platform and connected to the mounting plate;

[0021] The top of the mounting plate is equipped with multiple sets of fixing platforms in a matrix, and each set of fixing platforms is connected to a steel pipe.

[0022] The bottom surface of the mounting plate is provided with multiple sets of guide rods, which are connected to a fixing plate. Magnetic rods are arranged in a matrix on the top of the fixing plate. The magnetic rods are adapted to the steel pipe. A second cylinder is provided in the cleaning platform, and the telescopic rod of the second cylinder is connected to the bottom surface of the fixing plate.

[0023] As a further aspect of the present invention: the outer axial surface of the steel pipe is provided with a spirally encircling gathering groove.

[0024] As a further aspect of the present invention: the adsorption assembly includes multiple sets of fixed guide posts disposed on the platform, the multiple sets of fixed guide posts passing through the movable support plate on the same side and sleeved with a movable plate, the bottom of the movable plate is provided with multiple sets of mounting seats, the multiple sets of mounting seats are provided with multiple sets of mating joints evenly spaced, the platform is provided with a driving cylinder, the extension rod of the driving cylinder passing through the movable support plate and connected to the movable plate.

[0025] As a further embodiment of the present invention: the middle part of the connector is provided with an adsorption port, the adsorption port is provided through the connector, multiple sets of connectors are connected to a main pipe, and the other end of the multiple sets of main pipes are connected to the external dust removal adsorption equipment through the movable plate.

[0026] As a further aspect of the present invention: a method of using a steel shell internal steel chip removal device, characterized in that using the above-mentioned steel shell internal steel chip removal device includes the following steps:

[0027] Step 1, Loading: After the battery steel shells have undergone conventional auxiliary processes such as air gun blowing or non-woven cloth wiping, they are placed sequentially onto the carrier assembly.

[0028] Step 2, Cleaning the battery steel casing: Move the supporting component with the battery steel casing placed directly under the adsorption component for initial positioning. Then, simultaneously start the drive cylinders on both sides to move the movable plate down for precise positioning. The movable plate also moves the limit rod and the connector down. The limit rod abuts against the movable platform, and the connector abuts against the supporting component, moving down smoothly.

[0029] The lowering of the supporting component causes the battery steel shell to move down to the set position, so that the battery steel shell is fitted onto the steel tube. The magnetic rod generates magnetic force to attract residual steel shavings deep inside the battery steel shell.

[0030] Step 3, Unloading: After the battery steel shell is fully adsorbed in the inner cavity, the drive cylinder is started to move the movable plate up, release the bearing component, and move the bearing component carrying the magnetically attracted battery steel shell to the unloading platform for unloading.

[0031] Step 4, Cleaning the steel pipe: After the supporting component is removed, start the drive cylinder to move the movable plate down again to the set position. Then, start cylinder one and cylinder two simultaneously to move the steel pipe with steel shavings adsorbed up a set distance and insert it into the adsorption port of the connector. Start the external dust removal adsorption equipment to generate suction. Simultaneously, start cylinder two to move the fixed plate down. The fixed plate moves the magnetic rod out of the steel pipe, which weakens the adsorption force on the steel shavings gathered in the collection tank and allows them to be sucked away by the external dust removal adsorption equipment.

[0032] After removal, the magnetic and adsorption components are reset, and steps one through four are repeated to process the next batch of battery steel casings.

[0033] The beneficial effects of this invention are:

[0034] This invention uses an adsorption component to press down, causing a movable platform to move downwards. This movable platform then moves a support component downwards, which in turn moves multiple battery steel casings to fit onto a magnetic adsorption component. The magnetic adsorption component adsorbs steel shavings adhering to the inner cavity of the battery steel casings, especially steel shavings particles deep within the inner wall or in corner areas. Combined with conventional auxiliary processes such as air gun blowing or non-woven cloth wiping, this improves the thoroughness and efficiency of steel shaving removal, reduces the probability of steel shavings residue, and thus reduces the adverse effects of residual steel shavings on battery performance, ensuring the mass production yield and long-term reliability of high-energy-density batteries.

[0035] The present invention uses an active adsorption component to squeeze the bearing component downward, reducing the travel of the magnetic adsorption component, thereby reducing the impact of detachment during the movement and more thoroughly cleaning the steel shavings adsorbed on the steel pipe.

[0036] The present invention has a spirally encircling gathering groove on the outer axial surface of the ferrite tube. The gathering groove further gathers steel chips (the bottom of the groove is closer to the magnetic rod inside the ferrite tube, so the adsorption force is stronger, and the steel chips are gathered in the gathering groove, reducing the chance of the steel chips contacting the inner cavity wall of the battery steel shell and improving the adsorption effect), and thoroughly cleaning the residual steel chips in the inner cavity of the battery steel shell. Attached Figure Description

[0037] The invention will now be further described with reference to the accompanying drawings.

[0038] Figure 1 This is a schematic diagram of the overall structure of the present invention;

[0039] Figure 2 This is a front view structural diagram of the present invention;

[0040] Figure 3 This is a schematic diagram of the right-side structure of the present invention;

[0041] Figure 4 This is a schematic diagram of the adsorption component structure of the present invention;

[0042] Figure 5 This is a schematic diagram of the connection structure between the connector and the main pipe of the present invention;

[0043] Figure 6 This is a schematic diagram of the load-bearing component structure of the present invention;

[0044] Figure 7 This is a schematic cross-sectional view of the load-bearing component of the present invention;

[0045] Figure 8 This is a schematic diagram of the magnetic suction component of the present invention.

[0046] Figure 9 This is a schematic diagram of the overall cross-sectional structure of the present invention;

[0047] Figure 10 yes Figure 9 Enlarged structural diagram of region A in the middle;

[0048] Figure 11 This is a schematic diagram showing the state of the bearing component being extruded at the beginning of the present invention;

[0049] Figure 12 This is a schematic diagram of the bearing component of the present invention being pressed into place;

[0050] Figure 13 This is a schematic diagram of the steel pipe structure of the present invention;

[0051] Figure 14 This is a schematic diagram of the connection structure between the steel pipe and the battery steel shell of the present invention.

[0052] In the diagram: 100, Cleaning platform; 101, Base; 102, Support seat; 103, Platform; 200, Loading platform; 201, Support plate one; 202, Slide rail one; 203, Limiting seat one; 300, Movable platform; 301, Movable support plate; 302, Movable guide column; 303, Limiting boss; 304, Slide groove; 305, Coarse block; 400, Unloading platform; 401, Support plate two; 402, Slide rail two; 403, Limiting seat two; 500, Magnetic assembly; 501, Mounting plate; 502, Fixed platform; 50 3. Steel pipe; 5031. Gathering tank; 504. Cylinder 1; 505. Guide rod; 506. Fixing plate; 507. Magnetic rod; 508. Cylinder 2; 600. Bearing assembly; 601. Bearing base plate; 602. Slider; 603. Support plate; 604. Limiting plate; 700. Adsorption assembly; 701. Movable plate; 702. Connecting rod; 703. Limiting rod; 704. Mounting base; 705. Connecting joint; 706. Adsorption port; 707. Main pipe; 708. Drive cylinder; 709. Fixing guide post; 800. Battery steel shell. Detailed Implementation

[0053] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0054] Example 1

[0055] like Figures 1-14 As shown, this embodiment provides a steel chip removal device for the inside of a steel casing. By setting up a magnetic suction component 500, the device can fully adsorb and remove steel chip particles attached to the inner cavity of the battery steel casing 800. Combined with conventional auxiliary processes such as air gun blowing or non-woven cloth wiping, the device can improve the thoroughness and efficiency of steel chip removal, reduce the probability of steel chip residue, thereby reducing the adverse effects of residual steel chips on battery performance and ensuring the mass production yield and long-term reliability of high-energy-density batteries.

[0056] like Figures 1-3As shown, the internal steel chip removal device for steel shells in this embodiment includes a cleaning platform 100 and a supporting component 600. A feeding platform 200, a movable platform 300, and a discharging platform 400 are sequentially arranged on the top of the cleaning platform 100. A magnetic suction component 500 is arranged below the movable platform 300, and an adsorption component 700 is arranged above the movable platform 300. The supporting component 600 carries multiple battery steel shells 800. When cleaning the battery steel shells 800, the supporting component 600 carries multiple battery steel shells 800 between the magnetic suction component 500 and the adsorption component 700, and works in conjunction with the magnetic suction component 500 and the adsorption component 700.

[0057] During processing, the adsorption component 700 is pressed down, causing the movable platform 300 to move down. In turn, the movable platform 300 causes the bearing component 600 to move down, and the bearing component 600 causes multiple battery steel shells 800 to move down and fit onto the magnetic adsorption component 500. The magnetic adsorption component 500 adsorbs the steel shavings attached to the inner cavity of the battery steel shell 800, especially the steel shavings particles deep in the inner wall or in the corner area, thereby improving the thoroughness and efficiency of steel shavings removal.

[0058] Preferably, such as Figure 9 As shown, in this embodiment, the cleaning platform 100 includes a rectangular base 101 with an inner cavity. A support seat 102 is installed in the inner cavity, which is used to support some parts of the magnetic suction assembly 500. A platform 103 is horizontally arranged on the top of the base 101 and is detachably mounted on the base 101. The aforementioned loading platform 200, movable platform 300, unloading platform 400, magnetic suction assembly 500, and adsorption assembly 700 are all mounted on the platform 103.

[0059] Preferably, such as Figure 9 As shown, in this embodiment, the loading platform 200 is located on one side of the aforementioned platform 103, and the loading platform 200 includes two sets of support plates 201 disposed on the platform 103. The two sets of support plates 201 are symmetrically distributed about the transverse centerline of the platform 103, and each set of support plates 201 is provided with a slide rail 202, which is also symmetrically distributed about the transverse centerline of the platform 103. A limiting seat 203 is provided on the outer side of each set of slide rails 202. When loading, the empty bearing component 600 is moved to the area of ​​the loading platform 200, and the battery steel shell 800, which has undergone auxiliary processes such as conventional air gun blowing or non-woven cloth wiping, is placed on the bearing component 600. The bearing component 600 can slide on the slide rail 202, but its outward movement is limited by the limiting seat 203.

[0060] Preferably, such as Figure 9As shown, in this embodiment, the unloading platform 400 is located on the other side of the platform 103, and the unloading platform 400 includes two sets of support plates 401 arranged on the platform 103. The two sets of support plates 401 are symmetrically distributed about the transverse center line of the platform 103. The support plates 401 and the support plate 201 are on the same horizontal plane. A slide rail 402 is provided on one side of the top of each set of support plates 401. The two sets of slide rails 402 are symmetrically distributed about the transverse center line of the platform 103. A limit seat 403 is provided at the outer end of each set of slide rails 402 to limit the bearing component 600 after magnetic attraction, so as to facilitate unloading.

[0061] It should be understood that when the magnetic suction component 500 is inserted into the inner cavity of the battery steel casing 800 to adsorb residual steel shavings, the steel shavings are magnetically attracted to the magnetic suction component 500. Because the steel shavings are small, the surrounding airflow is disturbed when the magnetic suction component 500 moves, causing the steel shavings to easily fall off due to external factors such as airflow, resulting in incomplete cleaning and secondary pollution. Therefore, this embodiment provides a movable platform 300 that can move downwards and reset, which, together with the flexibly movable suction component 700 and the supporting component 600, moves downwards to further shorten the travel distance of the magnetic suction component 500, reducing the impact of external factors such as airflow, and thus making the cleaning of steel shavings more thorough.

[0062] Preferably, such as Figure 9 and Figure 10 As shown, the movable platform 300 located between the loading platform 200 and the unloading platform 400 in this embodiment includes movable guide pillars 302 fixed on the platform 103. Multiple movable guide pillars 302 are provided, preferably four, arranged in pairs on both sides of the platform 103. Two movable guide pillars 302 on the same side are slidably connected to movable support plates 301. The movable support plates 301 are on the same horizontal plane as the second support plate 401 and the first support plate 201. A return spring is sleeved on the movable guide pillar 302, with one side abutting against the movable support plate 301 and the other side abutting against the top surface of the platform 103. This provides elastic force, allowing the pressed movable support plate 301 to return to its original position when no force is applied.

[0063] The movable platform 300 in this embodiment also includes limiting bosses 303 disposed on the platform 103. Multiple sets of limiting bosses 303 are provided for each set of movable support plates 301, which are used to limit and support the downward movement of the movable support plates 301. When the adsorption component 700 moves downward to compress the bearing component 600 and the movable platform 300, the limiting bosses 303 limit the compression distance to a certain extent.

[0064] Furthermore, a slide rail three is provided on the inner side of the top surface of the movable support plate 301. The two sets of slide rail three are also symmetrically distributed about the transverse center line of the platform 103, and the slide rail one 202, slide rail two 402 and slide rail three on the same side are arranged in a straight line, and the three are combined to form a longer slide rail. The bearing component 600 can slide stably on the two long slide rails to move from the loading platform 200 side to the unloading platform 400 side.

[0065] Furthermore, two sets of sliding grooves 304 are provided in the middle of the top surface of the movable support plate 301. Coarse positioning blocks 305 are slidably arranged in both sets of sliding grooves 304. When the bearing component 600 moves to the set position on the movable platform 300, the bearing component 600 is initially positioned by the two sets of coarse positioning blocks 305, which facilitates the subsequent precise positioning of the bearing component 600, thereby achieving precise magnetic suction steel chip processing of the inner cavity of the battery steel shell 800.

[0066] Preferably, such as Figure 3 , Figure 6 and Figure 7 As shown, the aforementioned support assembly 600 includes a support base plate 601. Multiple sets of sliders 602 are symmetrically arranged on both sides of the bottom of the support base plate 601. The support assembly 600 slides on slide rail 202, slide rail 402, or slide rail 3 via the multiple sets of sliders 602. A support plate 603 is connected to the top of the support base plate 601, and a predetermined distance is maintained between the support plate 603 and the support base plate 601 to provide stable support for the battery steel casing 800.

[0067] Furthermore, a plurality of placement holes are arranged in a matrix on the top surface of the supporting base plate 601. Each placement hole has a mounting groove at its bottom end, located on the supporting base plate 601. A limiting piece 604 is installed in the mounting groove to limit the position of the battery steel shell 800. It should be noted that the limiting piece 604 has a through hole in its center. The diameter of this through hole is larger than the inner cavity of the battery steel shell 800 but smaller than the outer axial diameter of the battery steel shell 800, thus providing stable limiting support for the battery steel shell 800 placed in the placement hole. Additionally, support holes are provided on the support plate 603 at the corresponding positions of the placement holes to support the upper end of the battery steel shell 800. It should be explained that the aforementioned placement holes and support holes need to be custom-made according to the actual dimensions of the battery steel shell 800. Furthermore, the placement hole and mounting groove structure are easier to process, and the support dimensions are more precise, avoiding jamming during battery steel shell 800 installation (if the boss structure is directly milled, there will be a small rounded corner, causing the battery steel shell 800 to not be able to fully abut against the boss).

[0068] Furthermore, in this embodiment, the supporting base plate 601 is provided with a positioning boss on the side near the slide groove 304. The length of the positioning boss is equal to the distance between the two sets of coarse positioning blocks 305, thereby achieving the initial positioning of the supporting component 600.

[0069] It should be understood that in order to enable the bearing component 600 to drive the battery steel shell 800 downward and shorten the movement stroke of the magnetic suction component 500, a corresponding driving structure is required. Therefore, in this embodiment, the adsorption component 700 is set to press down on the bearing component 600 and the moving platform 300 to achieve the driving function.

[0070] Preferably, such as Figures 1-5 and Figures 9-10 As shown, the adsorption assembly 700 in this embodiment includes fixed guide posts 709 disposed on both sides of the platform 103. There are multiple fixed guide posts 709, preferably four, arranged in pairs. Two fixed guide posts 709 on the same side pass through the movable support plate 301 on the same side. A guide sleeve is provided at the connection between the fixed guide post 709 and the movable support plate 301. The guide sleeve is fixed on the movable support plate 301, and the movable support plate 301 slides on the fixed guide post 709 through the guide sleeve.

[0071] Four fixed guide pillars 709 are connected to movable plates 701 at their upper ends. Guide sleeves are provided at each of the four corners of the movable plate 701, allowing it to slide on the fixed guide pillars 709. Multiple sets of mounting seats 704 are located at the bottom of the movable plate 701. Multiple sets of connectors 705 are evenly spaced within these mounting seats, each connector corresponding to a battery steel shell 800 on the support assembly 600 during adsorption operations. Connecting seats are symmetrically located at both ends of the bottom surface of the movable plate 701, with connecting rods 702 mounted on them. A drive cylinder 708 is located on the platform 103 corresponding to the connecting rod 702, its extension rod passing through the movable support plate 301 and connecting to the connecting rod 702. The movable plate 701 is moved up and down by the drive cylinders 708 on both sides.

[0072] Furthermore, limit rods 703 are provided at the four corners of the movable plate 701. The four limit rods 703 are set corresponding to the movable support plate 301. When the movable plate 701 moves downward, it squeezes the movable platform 300 and drives the movable platform 300 to move.

[0073] To further ensure the stability of the downward movement of the battery steel shell 800 driven by the bearing assembly 600, in this embodiment, when the driving cylinder 708 drives the movable plate 701 downward, the limiting rod 703 contacts the movable support plate 301, and the connecting joint 705 simultaneously contacts the support plate 603. Through multi-point pressing, the entire bearing assembly 600 is ensured to be subjected to uniform force, thereby ensuring the stability of the downward movement. Therefore, in this embodiment, the distance from the bottom surface of the limiting rod 703 to the bottom surface of the connecting joint 705 is equal to the distance from the top surface of the support plate 603 to the top surface of the movable support plate 301.

[0074] Furthermore, it should be noted that an adsorption port 706 is provided in the middle of the connector 705. The diameter of the adsorption port 706 is larger than the outer diameter of the battery steel shell 800. When the connector 705 presses against the support plate 603, the protruding end of the battery steel shell 800 extends into the adsorption port 706 to avoid compression and damage to the structure of the battery steel shell 800.

[0075] Furthermore, in this embodiment, a precision positioning is provided in the middle of the bottom surface of the mounting base 704, and a corresponding positioning hole is provided on the support plate 603. After the two sets of coarse positioning blocks 305 are initially positioned, the precision positioning is further accurately positioned through the cooperation of the precision positioning and the positioning hole, so as to ensure that the battery steel shell 800 and the steel tube 503 in the magnetic assembly 500 correspond one-to-one.

[0076] In order to fully adsorb and remove the steel shavings adhering to the inner cavity of the battery steel shell 800, this embodiment provides a magnetic adsorption component 500 below the movable platform 300. By extending deep into the inner cavity of the battery steel shell 800, it magnetically adsorbs and cleans the steel shavings that remain after conventional auxiliary cleaning processes such as air gun blowing or non-woven cloth wiping.

[0077] Specifically, such as Figure 3 and Figure 8 As shown, the magnetic suction component 500 in this embodiment includes a mounting plate 501, which is disposed above the platform 103. Connecting posts are provided at the four corners of the bottom surface of the mounting plate 501. The connecting posts pass through the platform 103 and are slidably disposed with the platform 103. The mounting plate 501 is slidably disposed on the platform 103 through the connecting posts. Two sets of cylinders 504 are correspondingly disposed on the bottom surface of the platform 103. The telescopic rods of the two sets of cylinders 504 pass through the platform 103 and are connected to the mounting plate 501. The two sets of cylinders 504 drive the mounting plate 501 to move up and down.

[0078] Furthermore, multiple sets of fixing platforms 502 are installed in a matrix on the top of the mounting plate 501. Each fixing platform 502 is connected to a ferrite tube 503. During operation, the multiple sets of ferrite tubes 503 correspond one-to-one with the battery steel shell 800 on the bearing component 600. The maximum outer diameter of the ferrite tube 503 is smaller than the inner diameter of the battery steel shell 800. Multiple sets of guide rods 505 are provided on the bottom surface of the mounting plate 501. The multiple sets of guide rods 505 are connected to a fixing plate 506. The fixing plate 506 is slidably mounted on the multiple sets of guide rods 505. Magnetic rods 507 are arranged in a matrix on the top of the fixing plate 506. Each magnetic rod 507 corresponds one-to-one with a ferrite tube 503. A mating hole is opened in the middle of the ferrite tube 503. A through hole is opened in the middle of the fixing platform 502. The mating hole and the through hole are correspondingly arranged, and the diameter of the through hole is greater than or equal to the diameter of the mating hole. The aforementioned magnetic rod 507 passes through the through hole of the fixed platform 502 from bottom to top and is inserted into the mating hole of the galvanic tube 503, with the magnetic rod 507 fitting into the mating hole. A second cylinder 508 is provided on the support base 102. The telescopic rod of the second cylinder 508 is connected to the bottom surface of the fixed plate 506. A clearance groove is provided in the middle of the platform 103. The size of the clearance groove is larger than the size of the fixed plate 506, so that the fixed plate 506 can be retracted into the platform 103 under the action of the second cylinder 508.

[0079] It should be noted that the magnetic rod 507 in this embodiment is preferably a cylindrical magnetic rod, and the magnetic force is customized according to actual needs.

[0080] Furthermore, it should be understood that, since the steel tube 503 extends deep into the inner cavity of the battery steel shell 800 to adsorb residual steel shavings, the steel shavings will accumulate on the outer surface of the steel tube 503 during the adsorption process. When the battery steel shell 800 is reset, the accumulated steel shavings may rub against the inner wall of the battery steel shell 800, thereby affecting the adsorption effect of the steel shavings.

[0081] Therefore, as Figure 13 and Figure 14 As shown, in this embodiment, a spirally encircling gathering groove 5031 is provided on the outer axial surface of the steel tube 503. The steel shavings are further gathered by the gathering groove 5031 (because the bottom of the gathering groove 5031 is closer to the magnetic rod 507 inside the steel tube 503, the adsorption force is stronger, and the steel shavings are gathered in the gathering groove 5031, reducing the probability of the steel shavings contacting the inner wall of the battery steel shell 800 and improving the adsorption effect), and the residual steel shavings in the inner cavity of the battery steel shell 800 are thoroughly cleaned.

[0082] In this embodiment, the cylinder 508 drives the fixed plate 506 to move, thereby causing the magnetic rod 507 to insert into or leave the steel tube 503, changing the adsorption state of the steel chips.

[0083] It should be understood that when the steel pipe 503 and the magnetic rod 507 fully adsorb the steel shavings remaining in the inner cavity of the battery steel shell 800, the steel shavings accumulate in the collection groove 5031. The gradually accumulating steel shavings affect the adsorption effect and are also easy to fall off, causing pollution to the working area. Therefore, in this embodiment, when setting the driving effect of the adsorption component 700, an adsorption function is also set on the adsorption component 700.

[0084] The suction port 706, which is opened in the middle of the connector 705, passes through the connector 705 and is provided as follows: Figure 5 As shown, multiple sets of connectors 705 are connected to main pipes 707. The other end of the multiple main pipes 707 passes through the through slots opened in the movable plate 701 and is connected to external dust removal and adsorption equipment, such as an industrial vacuum cleaner. Through external adsorption, the steel chips accumulated in the collection slots 5031 of the steel pipe 503 are removed, reducing the impact caused by the accumulation of steel chips.

[0085] In this embodiment, when the external dust removal and adsorption equipment is working, the magnetic adsorption component 500 is inserted into the adsorption component 700, and at the same time, the cylinder 508 drives the fixing plate 506 to move down, pulling out the magnetic rod 507, so as to thoroughly remove the steel shavings adsorbed on the steel pipe 503.

[0086] Example 2

[0087] like Figure 1 , Figure 11 and Figure 12 As shown, this embodiment provides a method for using a steel chip removal device for the interior of a steel shell, employing the device from Embodiment 1, and includes the following steps:

[0088] Step 1, Loading: After being treated by conventional auxiliary processes such as air gun blowing or non-woven cloth wiping, the battery steel shell 800 is placed onto the carrier component 600 in sequence; wherein the battery steel shell 800 passes through the support hole and the placement hole from top to bottom;

[0089] Step 2, Cleaning the battery steel shell 800: Move the supporting component 600 with the battery steel shell 800 in place directly below the adsorption component 700. Initially limit it by the coarse positioning block 305, then simultaneously start the drive cylinders 708 on both sides to drive the movable plate 701 to move down. Precise positioning is achieved by fine positioning, and the movable plate 701 drives the limiting rod 703 and the connector 705 to move down. The limiting rod 703 abuts against the movable platform 300, and the connector 705 abuts against the supporting component 600, smoothly driving both of them to move down.

[0090] The lowering of the bearing component 600 causes the battery steel shell 800 to move down to the set position, so that the battery steel shell 800 is fitted onto the steel tube 503. The magnetic force generated by the magnetic rod 507 attracts the residual steel shavings deep inside the battery steel shell 800.

[0091] Step 3, unloading: After the inner cavity of the battery steel shell 800 is fully adsorbed, the drive cylinder 708 is started to drive the movable plate 701 to move upward, release the bearing component 600, and move the bearing component 600 carrying the magnetically attracted battery steel shell 800 to the unloading platform 400 for unloading. Existing technologies such as robotic arms can be used to grab the battery steel shell 800 and enter the next process.

[0092] Step 4, Cleaning of the steel pipe 503: After the bearing component 600 is removed, start the drive cylinder 708, which drives the movable plate 701 to move down again to the set position. Then, start cylinder 1 504 and cylinder 2 508 simultaneously, which drive the steel pipe 503 with steel shavings adsorbed to move up a set distance and insert it into the adsorption port 706 of the connector 705. Start the external dust removal adsorption equipment to generate suction. Simultaneously start cylinder 2 508 to drive the fixed plate 506 to move down. The fixed plate 506 drives the magnetic rod 507 to move out of the steel pipe 503, so that the adsorption force on the steel shavings gathered in the collection tank 5031 is weakened and they are sucked away by the external dust removal adsorption equipment.

[0093] After removal, the magnetic suction component 500 and the adsorption component 700 are reset, and steps one to four are repeated to process the next batch of battery steel shells 800.

[0094] In this embodiment, the ferrite tube 503 and magnetic rod 507 in the magnetic adsorption component 500 are used to extend into the inner cavity of the battery steel shell 800 to adsorb residual steel shavings. This can effectively remove steel shavings attached to the deep inner wall or corner areas. During the adsorption process, the steel shavings are collected in the collection groove 5031 to reduce the impact caused by the movement of the battery steel shell 800. After the adsorption by the ferrite tube 503 is completed, the adsorption component 700 is used for further cleaning to avoid the accumulation of steel shavings in the ferrite tube 503, which would affect the cleaning of the next batch of battery steel shells 800.

[0095] Furthermore, by using the movable adsorption component 700 to squeeze the bearing component 600 downward, the movement stroke of the magnetic adsorption component 500 is reduced, thereby reducing the impact of detachment during the movement and more thoroughly cleaning the steel shavings adsorbed on the steel pipe 503.

[0096] In the description of this invention, it should be understood that the terms "upper," "lower," "left," and "right," etc., indicating orientation or positional relationships based on the orientation or positional relationships shown in the accompanying drawings, are only for the convenience of describing the invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or a specific orientational structure and operation. Therefore, they should not be construed as limitations on the invention. Furthermore, "first" and "second" are only for descriptive purposes and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Therefore, a feature defined with "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this invention, unless otherwise stated, "multiple" means two or more.

[0097] In the description of this invention, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," "linking," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal communication between two components. Those skilled in the art can understand the specific meaning of the above terms in this invention based on the specific circumstances.

[0098] The foregoing has provided a detailed description of one embodiment of the present invention, but this description is merely a preferred embodiment and should not be construed as limiting the scope of the invention. All equivalent variations and modifications made within the scope of the claims of this invention should still fall within the patent coverage of this invention.

Claims

1. A steel chip removal device for the interior of a steel shell, comprising a cleaning platform and a supporting assembly, characterized in that, The top of the cleaning platform is provided with a feeding platform, a movable platform and an unloading platform in sequence. A magnetic suction component is provided below the movable platform and an adsorption component is provided above the movable platform. The supporting component carries multiple battery steel shells; When cleaning the battery steel shell, the supporting component carries multiple battery steel shells between the magnetic component and the adsorption component. The magnetic component extends into the inner cavity of the battery steel shell to adsorb the steel shavings attached to the inner cavity of the battery steel shell. The cleaning platform includes a base, and a platform is horizontally arranged on the top of the base. The loading platform includes two sets of symmetrically arranged support plates, and the unloading platform includes two sets of symmetrically arranged support plates. The movable platform includes multiple movable guide columns fixed on the platform, and a movable support plate is slidably connected to the movable guide column on the same side, and a return spring is sleeved on the movable guide column. The movable support plate is on the same horizontal plane as the second support plate and the first support plate; The magnetic suction assembly includes a mounting plate, which is slidably mounted on the platform. Two sets of cylinders are provided on the bottom surface of the platform, and the telescopic rods of the two sets of cylinders pass through the platform and are connected to the mounting plate. The top of the mounting plate is equipped with multiple sets of fixing platforms in a matrix, and each set of fixing platforms is connected to a steel pipe. The bottom surface of the mounting plate is provided with multiple sets of guide rods, which are connected to a fixing plate. Magnetic rods are arranged in a matrix on the top of the fixing plate. The magnetic rods are compatible with the steel pipe. A second cylinder is provided in the cleaning platform, and the telescopic rod of the second cylinder is connected to the bottom surface of the fixing plate. The outer axial surface of the steel pipe is provided with a spirally encircling gathering groove; The adsorption assembly includes multiple sets of fixed guide posts disposed on the platform. The multiple sets of fixed guide posts pass through the movable support plate on the same side and are sleeved with a movable plate. Multiple sets of mounting seats are disposed at the bottom of the movable plate. Multiple sets of mating joints are evenly spaced in the multiple sets of mounting seats. A driving cylinder is disposed on the platform. The extension rod of the driving cylinder passes through the movable support plate and is connected to the movable plate. The connector has an adsorption port in the middle, which is connected to the connector. Multiple sets of connectors are connected to a main pipe, and the other end of the main pipe passes through a movable plate to connect with an external dust removal and adsorption device.

2. The steel chip removal device for an internal steel shell according to claim 1, characterized in that, The feeding platform is located on one side of the platform, and a slide rail is provided on the support plate. The unloading platform is located on the other side of the platform, and the top of the support plate is provided with a slide rail. The second support plate is on the same horizontal plane as the first support plate.

3. The steel chip removal device for the interior of a steel shell according to claim 2, characterized in that, The top surface of the movable support plate is symmetrically provided with slide rail three. Slide rail one, slide rail two and slide rail three on the same side are distributed in a straight line and cooperate to form a long slide rail.

4. The internal steel chip removal device for a steel shell according to claim 1, characterized in that, The supporting component includes a supporting base plate, with multiple sets of sliders symmetrically arranged on both sides of the bottom of the supporting base plate, and a support plate connected to the top of the supporting base plate; The top surface of the supporting base plate has multiple placement holes arranged in a matrix, and the tray has support holes corresponding to the placement holes.

5. A method of using a steel chip removal device for the interior of a steel shell, characterized in that, Using the internal steel chip removal device for a steel shell as described in any one of claims 1-4, the process includes the following steps: Step 1, Loading: Place the battery steel shells, which have been treated by conventional air gun blowing or non-woven cloth wiping, onto the carrier component in sequence; Step 2, Cleaning the battery steel casing: Move the supporting component with the battery steel casing placed directly under the adsorption component for initial positioning. Then, simultaneously start the drive cylinders on both sides to move the movable plate down for precise positioning. The movable plate also moves the limit rod and the connector down. The limit rod abuts against the movable platform, and the connector abuts against the supporting component, moving down smoothly. The lowering of the supporting component causes the battery steel shell to move down to the set position, so that the battery steel shell is fitted onto the steel tube. The magnetic rod generates magnetic force to attract residual steel shavings deep inside the battery steel shell. Step 3, Unloading: After the battery steel shell is fully adsorbed in the inner cavity, the drive cylinder is started to move the movable plate up, release the bearing component, and move the bearing component carrying the magnetically attracted battery steel shell to the unloading platform for unloading. Step 4, Cleaning the steel pipe: After the supporting component is removed, start the drive cylinder to move the movable plate down again to the set position. Then, start cylinder one and cylinder two simultaneously to move the steel pipe with steel shavings adsorbed up a set distance and insert it into the adsorption port of the connector. Start the external dust removal adsorption equipment to generate suction. Simultaneously, start cylinder two to move the fixed plate down. The fixed plate moves the magnetic rod out of the steel pipe, which weakens the adsorption force on the steel shavings gathered in the collection tank and allows them to be sucked away by the external dust removal adsorption equipment. After removal, the magnetic and adsorption components are reset, and steps one through four are repeated to process the next batch of battery steel casings.

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