An automatic film-applying equipment and production line for aluminum extrusion battery casings

Abstract

This invention relates to the field of battery manufacturing technology, and in particular discloses an automatic film-applying equipment and production line for aluminum extruded battery casings. The equipment includes: a supporting base plate, a casing assembly, a rotating circular plate, and a film supply device. The rotating circular plate is rotatably mounted on top of the supporting base plate, and its top has several film-carrying protrusions adapted to the inner cavity of the aluminum extruded casing. The casing assembly and the film supply device are both located on top of the supporting base plate, close to the outside of the rotating circular plate. A material discharge device is also located outside the rotating circular plate. The film supply device supplies a protective film with the adhesive side facing up to the top of the film-carrying protrusions. The casing assembly fits the aluminum extruded casing to be film-applied onto the film-carrying protrusions. The material discharge device removes the film-applied aluminum extruded casing from the film-carrying protrusions. This effectively automates the film-applying process to the inner wall of the aluminum extruded casing, improving work efficiency and ensuring production quality.

Description

Technical Field

[0001] This invention relates to the field of battery manufacturing technology, and in particular to an automatic film-applying equipment and production line for aluminum extrusion battery casings. Background Technology

[0002] Lithium-ion batteries are a type of lithium battery. Their core working principle involves the reversible insertion and extraction of lithium ions between the positive and negative electrode materials. The basic structure of a lithium-ion battery mainly includes a positive electrode, a negative electrode, an electrolyte, a separator, and an outer casing. During charging and discharging, lithium ions shuttle between the positive and negative electrodes through the electrolyte, while electrons flow through the external circuit to do work, thus achieving energy storage and release. Due to their advantages of high energy density, long cycle life, and no memory effect, lithium-ion batteries have become the preferred power source for electric vehicles, portable electronic devices, and large-scale energy storage systems.

[0003] Existing square lithium-ion batteries require a rectangular hollow casing for encapsulation during production. Aluminum alloy's excellent thermal conductivity facilitates uniform heat distribution and rapid heat transfer during battery operation. Therefore, the casings of existing square lithium-ion batteries are primarily made from extruded aluminum alloy blanks. During assembly, battery cells are placed inside the extruded aluminum casing, and finally, the battery pack is encapsulated using a cover plate. However, during placement and assembly, scratches can easily occur due to collisions between the battery cells and the inner wall of the extruded aluminum casing. Furthermore, an oxide layer easily forms on the inner wall of the casing. The insulating properties of the oxide layer significantly increase the contact resistance between the casing and the cells, affecting the consistency of the battery's internal resistance. Therefore, during the assembly of battery cells and... Before applying the film to the inner wall of the battery casing, a protective film needs to be attached to prevent scratches and oxidation. If the film is applied manually, the production cost is high and the slow production efficiency makes it difficult to prevent the formation of an oxide layer on the casing. Existing automated film application equipment improves work efficiency compared to manual film application, but most of them use single-station actuators for film application. Existing film application equipment mainly applies the film to the outer surface of the workpiece. The application head of the actuator cannot easily enter the inner cavity of the casing to apply the film, and multiple alignment actions are required. A single film application requires multiple independent actions, which is not suitable for large-scale continuous production.

[0004] Therefore, how to automate the application of film to the inner cavity of the aluminum extruded battery casing is a technical problem that engineers need to solve. Summary of the Invention

[0005] The purpose of this invention is to provide an automatic film-applying equipment and production line for aluminum extruded battery casings, in order to solve the problems mentioned in the background art.

[0006] To achieve the above objectives, the present invention provides the following technical solution: an automatic film-applying device for aluminum extruded battery casings, comprising: a supporting base plate, a casing device, a rotating circular plate, and a film supply device; The rotating circular plate is rotatably mounted on the top of the supporting base plate, and the top of the rotating circular plate is provided with several film-carrying protrusions. The film-carrying protrusions are adapted to the inner cavity of the aluminum extrusion shell. The housing device and the film supply device are both located on the top of the supporting base plate, and the housing device and the film supply device are both close to the outside of the rotating circular plate. The housing device corresponds to the film supply device, and a material dropping device is also provided on the outside of the rotating circular plate. The material dropping device is located between the housing device and the film supply device. The film supply device is used to supply a protective film with the adhesive side facing up to the top of the film-carrying protrusion. The housing device is used to fit the aluminum extrusion shell to be filmed onto the film-carrying protrusion. The material dropping device is used to remove the film-coated aluminum extrusion shell from the film-carrying protrusion. The housing device includes a displacement mechanism and a feeding clamping cylinder. The feeding clamping cylinder is located on the moving end of the displacement mechanism. The displacement mechanism is used to control the range of motion of the feeding clamping cylinder. The feeding clamping cylinder is used to clamp the aluminum extruded housing to be coated with film. The clamping surface of the feeding clamping cylinder faces the rotating circular plate.

[0007] Preferably, the displacement mechanism includes a linear motion module and a lifting module. A moving plate is provided on the moving end of the linear motion module, and one end of the linear motion module is close to the rotating circular plate. The bottom of the lifting module is fixed to one side of the moving plate, and a lifting plate is provided on the moving end of the lifting module. The lifting plate is located directly above the rotating circular plate. An adjustment cylinder is provided on the outside of the lifting plate. A mounting plate is provided on the power output end of the adjustment cylinder. A servo motor is provided on the outside of the mounting plate. A feeding clamping cylinder is provided on the power output end of the servo motor. The linear motion module is used to control the moving distance of the lifting module, the lifting module is used to control the lifting height of the adjustment cylinder, and the servo motor is used to control the rotation direction of the feeding clamping cylinder.

[0008] Preferably, the film supply device includes a support vertical plate, on which a film supply roller and a film receiving roller are rotatably mounted respectively. A film exiting inclined plate is provided between the film supply roller and the film receiving roller, and the end of the film exiting inclined plate near the rotating circular plate is inclined. The film supply roller is used to supply the material strip with a protective film sheet, and the film receiving roller is used to recycle the release film strip.

[0009] Preferably, it also includes a detection device, which is located between the film supply device and the housing device and corresponds to the unloading device. The detection device includes a fixed vertical plate and a detection camera, which is located outside the fixed vertical plate and the camera lens of the detection camera faces the rotating circular plate.

[0010] Preferably, the material unloading device includes a rotating mechanism and a movable plate. The power output end of the rotating mechanism is fixedly connected to the movable plate. One end of the movable plate is located directly above the rotating circular plate, and a lifting mechanism is rotatably provided at one end of the movable plate. A lifting rod is provided on the power output end of the lifting mechanism, and a shell-grabbing clamping cylinder for clamping the unloaded material is provided at the end of the lifting rod.

[0011] Preferably, a tensioning mechanism is provided directly above the film outlet inclined plate. The tensioning mechanism includes a fixed horizontal plate and a telescopic cylinder. The telescopic cylinder is located at the bottom of the fixed horizontal plate, and a tensioning roller is rotatably mounted on the power output end of the telescopic cylinder. The telescopic cylinder is used to control the range of motion of the tensioning roller.

[0012] Preferably, when any one of the film carrier protrusions is aligned with one end of the film exiting inclined plate, the film exiting inclined plate is located directly above the film carrier protrusion, and the two ends of the film carrier protrusion are aligned with the two ends of the film exiting inclined plate.

[0013] Preferably, a plurality of the carrier film protrusions are evenly distributed on the top of the rotating circular plate, and the plurality of the carrier film protrusions are equidistant from the center of the rotating circular plate. A driving mechanism is provided at the bottom of the rotating circular plate, and the power output end of the driving mechanism is fixedly connected to the center of the bottom of the rotating circular plate. The driving mechanism is used to control the rotation direction of the rotating circular plate.

[0014] Preferably, both the shell-removing clamping cylinder and the feeding clamping cylinder are provided with clamping plates on their clamping fingers, and the opposite side of the clamping plates forms a clamping plane that is adapted to the width of the aluminum extruded shell.

[0015] Preferably, the rotating circular plate is provided with a plurality of bearing plates, each bearing plate corresponding to a plurality of film protrusions, and each bearing plate is provided with an installation slot for the film protrusions to be engaged.

[0016] In another aspect, this application also provides an automatic film-applying production line for aluminum extruded battery casings, including the automatic film-applying equipment described above, and further including a casing feeding conveyor plane and a material unloading conveyor plane; Both the shell feeding transport plane and the material unloading transport plane are located near the outside of the rotating circular plate. One end of the shell feeding transport plane is close to the outside of the shell-covering device, and one end of the material unloading transport plane is located directly below the material unloading device. The shell feeding transport plane is used to supply aluminum extruded shells to be coated, and the material unloading transport plane is used to transport coated aluminum extruded shells to the next process.

[0017] Compared with the prior art, the present invention provides an automatic film-applying device for aluminum extruded battery casings, which has the following advantages: It comprises a supporting base plate, a casing device, a rotating disc, and a film-supplying device. The rotating disc is rotatably positioned on top of the supporting base plate. Several film-carrying protrusions are provided on the top of the rotating disc, and these protrusions are adapted to the inner cavity of the aluminum extruded casing. Both the casing device and the film-supplying device are located on top of the supporting base plate and are close to the outside of the rotating disc, corresponding to each other. Furthermore, a material-feeding device is provided outside the rotating disc, located between the casing device and the film-supplying device, which supplies the protective film with the adhesive side facing upwards to the casing. The top of the carrier film boss includes a housing device comprising a displacement mechanism and a feeding clamping cylinder. The feeding clamping cylinder is positioned on the moving end of the displacement mechanism, which controls the range of motion of the feeding clamping cylinder. The feeding clamping cylinder also clamps the aluminum extruded shell to be coated with film. With the clamping surface of the feeding clamping cylinder facing the rotating circular plate, the housing device can be used to attach the aluminum extruded shell to the carrier film boss, and the unloading device can be used to remove the coated aluminum extruded shell from the carrier film boss. This effectively automates the coating process on the inner cavity of the aluminum extruded shell. Furthermore, when placing the aluminum extruded shell onto the carrier film boss, the device presses down on the aluminum extruded shell, ensuring stable coating and improving work efficiency. Attached Figure Description

[0018] To more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0019] Figure 1 This is a schematic diagram of the overall structure of the present invention.

[0020] Figure 2 This is a schematic diagram of the rotating circular plate structure in this invention.

[0021] Figure 3 This is a schematic diagram of the membrane supply device in this invention.

[0022] Figure 4 This is a schematic diagram of the casing device in this invention.

[0023] Figure 5 This is a schematic diagram of the material feeding device in this invention.

[0024] Figure 6 This is a schematic diagram of the detection device structure in this invention.

[0025] As indicated by the labels in the diagram: 1. Support base plate; 2. Shell housing device; 3. Rotating circular plate; 4. Film supply device; 5. Unloading device; 6. Detection device; 21. Displacement mechanism; 22. Feeding clamping cylinder; 31. Film carrier boss; 32. Bearing support plate; 41. Supporting vertical plate; 42. Film supply roller; 43. Film receiving roller; 44. Film exiting inclined plate; 45. Tensioning mechanism; 61. Fixed vertical plate; 62. Detection camera; 51. Rotation mechanism; 52. Movable plate; 53. Lifting mechanism; 54. Lifting rod; 55. Shell removal clamping cylinder; 211. Linear movement module; 212. Lifting module; 213. Moving plate; 214. Lifting plate; 215. Adjustment cylinder; 216. Mounting plate; 217. Servo motor; 451. Fixed horizontal plate; 452. Telescopic cylinder; 453. Tensioning roller. Detailed Implementation

[0026] Preferred embodiments of the present application will now be described in more detail with reference to the accompanying drawings. Although preferred embodiments of the present application are shown in the drawings, it should be understood that the present application may be implemented in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided to make the present application more thorough and complete, and to fully convey the scope of the present application to those skilled in the art.

[0027] The terminology used in this application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. The singular forms “a,” “the,” and “the” used in this application and the appended claims are also intended to include the plural forms unless the context clearly indicates otherwise. It should also be understood that the term “and / or” as used herein refers to and includes any or all possible combinations of one or more of the associated listed items.

[0028] It should be noted that when a component is referred to as being "fixed to" or "set on" another component, it can be directly on or indirectly on that other component. When a component is referred to as being "connected to" another component, it can be directly connected to or indirectly connected to that other component.

[0029] In the description of this application, it should be understood that the terms "thickness," "upper," "lower," "front," "rear," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this application. In addition, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly including one or more of the feature.

[0030] In the description of this application, it should be noted that, unless otherwise expressly specified and limited, the terms "installation," "connection," and "joining" 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; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this application according to the specific circumstances.

[0031] The following is in conjunction with the appendix Figures 1 to 6 The technical solutions of the embodiments of this application are described in detail.

[0032] Example 1: To automate the film application process on the inner cavity of an aluminum extrusion shell, addressing the limitations of existing manual film application methods which not only affect production efficiency but also fail to ensure the protective film is firmly attached to the inner wall of the aluminum extrusion shell. Existing film application equipment can only apply film to the exterior of the shell, making it difficult to apply film to the inner wall and press and adhere the protective film to the inner wall of the aluminum extrusion shell. In this example: a supporting base plate 1, a housing device 2, a rotating circular plate 3, and a film supply device 4 are provided. The rotating circular plate 3 is rotatably positioned on top of the supporting base plate 1. Several film-carrying protrusions 31 are provided on the top of the rotating circular plate 3, allowing them to fit into the inner cavity of the aluminum extrusion shell. The housing device 2 and the film supply device 4 are both located on top of the supporting base plate 1. Near the outside of the rotating circular plate 3, the housing device 2 is also aligned with the film supply device 4. A material dropping device 5 is also provided outside the rotating circular plate 3, positioned between the housing device 2 and the film supply device 4. The film supply device 4 supplies a protective film with the adhesive side facing up to the top of the film carrier boss 31. The housing device 2 is used to fit the aluminum extruded shell to be coated onto the film carrier boss 31. The material dropping device 5 is used to remove the coated aluminum extruded shell from the film carrier boss 31. The housing device 2 includes a displacement mechanism 21 and a feeding clamping cylinder 22. The feeding clamping cylinder 22 is located on the moving end of the displacement mechanism 21. The displacement mechanism 21 controls the range of motion of the feeding clamping cylinder 22. The feeding clamping cylinder 22 is used to clamp the aluminum extruded shell to be coated, and the clamping surface of the feeding clamping cylinder 22 faces the rotating circular plate 3.

[0033] The protective film can be automatically placed on the film carrier boss 31, and the aluminum extruded shell can be sleeved on the film carrier boss 31 containing the protective film. During the process of sleeved on the film carrier boss 31, the aluminum extruded shell is pressed to ensure that the inner wall of the aluminum extruded shell is fully attached to the protective film on the film carrier boss 31. The sleeved and pressed actions are integrated without the need for separate actions, which effectively realizes the automated application of film to the inner wall of the irregular cavity of the aluminum extruded shell, and ensures that the film is flat and fully attached to the inner wall of the cavity, preventing the film from peeling off. This improves production efficiency while ensuring production quality.

[0034] It should be noted that the displacement mechanism 21 includes a linear motion module 211 and a lifting module 212. A movable plate 213 is provided on the moving end of the linear motion module 211, and one end of the linear motion module 211 is brought close to the rotating circular plate 3, so that the bottom of the lifting module 212 is fixed to one side of the movable plate 213. Furthermore, a lifting plate 214 is provided on the movable end of the lifting module 212, and the lifting plate 214 is positioned directly above the rotating circular plate 3. An adjustment cylinder 215 is externally provided. A mounting plate 216 is provided at the power output end of the adjustment cylinder 215. A servo motor 217 is also provided externally to the mounting plate 216. A loading clamping cylinder 22 is provided on the power output end of the servo motor 217. A linear motion module 211 is used to control the moving distance of the lifting module 212. The lifting module 212 is used to control the lifting height of the adjustment cylinder 215. The servo motor 217 is used to control the rotation direction of the loading clamping cylinder 22.

[0035] Using the above structure, the linear motion module 211 can drive the moving plate 213 to perform linear reciprocating motion, thereby making the lifting module 212 approach or move away from the rotating circular plate 3. Before the shell placement process, a shell removal action is required. The linear motion module 211 can drive the moving plate 213 to move, so that the feeding clamping cylinder 22 approaches the aluminum extrusion shell to be coated. The position of the feeding clamping cylinder 22 can be adjusted by extending or retracting the power output end of the adjusting cylinder 215 to ensure that the feeding clamping cylinder 22 is directly above the aluminum extrusion shell to be coated. The position of the clamping surface of the feeding clamping cylinder 22 can be adjusted by the servo motor 217 to ensure that the clamping surface of the feeding clamping cylinder 22 can be aligned with the aluminum extrusion shell. The lifting module 212 controls the lifting height of the lifting plate 214 to enable the feeding clamping cylinder 22 to approach the aluminum extrusion shell to be coated and clamp it, thus completing the shell removal action. After the shell removal action is completed, the shell fitting and pressing action needs to be integrated. The lifting module 212 controls the lifting height of the lifting plate 214, and controls the feeding clamping cylinder 22 holding the aluminum extruded shell to be filmed to rise again. Then, the linear movement module 211 drives the moving plate 213 to move again, so that the aluminum extruded shell to be filmed is above the rotating circular plate 3. Then, the position adjustment cylinder 215 adjusts the position of the feeding clamping cylinder 22 to ensure that the inner cavity of the aluminum extruded shell to be filmed held by the feeding clamping cylinder 22 is aligned with the film carrier boss 31. Then, the lifting module 212 drives the feeding clamping cylinder 22 to move closer to the film carrier boss 31 until the aluminum extruded shell to be filmed is completely fitted onto the outside of the film carrier boss 31. In this process, the automated shell fitting and pressing action is completed, which effectively realizes the film application action on the inner cavity of the aluminum extruded shell, improves work efficiency, and ensures production quality.

[0036] In this embodiment, it should be noted that the unloading device 5 includes a rotating mechanism 51 and a movable plate 52. The power output end of the rotating mechanism 51 is fixedly connected to the movable plate 52, so that one end of the movable plate 52 is located directly above the rotating circular plate 3. A lifting mechanism 53 is rotatably provided at one end of the movable plate 52. A lifting rod 54 is provided on the power output end of the lifting mechanism 53, and a shell-grabbing clamping cylinder 55 for clamping the unloaded material is provided at the end of the lifting rod 54. The rotation direction of the movable plate 52 is controlled by the rotating mechanism 51. When one end of the movable plate 52 is aligned with the film-carrying boss 31 on the rotating circular plate 3, the lifting height of the lifting rod 54 can be controlled by the lifting mechanism 53 on the movable plate 52 to drive the clamping cylinder to approach and clamp the aluminum extruded shell that has been coated with film on the film-carrying boss 31.

[0037] In this embodiment, it should also be noted that when any film-carrying protrusion 31 is aligned with one end of the film-exiting inclined plate 44, the film-exiting inclined plate 44 is located directly above the film-carrying protrusion 31, and the two ends of the film-carrying protrusion 31 are aligned with the two ends of the film-exiting inclined plate 44. With the film-exiting inclined plate 44 located directly above the film-carrying protrusion 31, when the rotating circular plate 3 drives the unloaded film-carrying protrusion 31 to be directly below the film-exiting inclined plate 44, the film supply device 4 delivers the protective film onto the film-carrying protrusion 31, and places the adhesive side of the protective film onto the film-carrying protrusion 31 with its side facing upwards. Then, the circular plate 3 is rotated again to drive the film-carrying protrusion 31 loaded with the protective film into the subsequent housing device 2. This effectively realizes the automatic film loading action of the protective film, which is suitable for continuous production, improves work efficiency, and ensures that the protective film is sequentially placed upside down on several unloaded film-carrying protrusions 31.

[0038] In this embodiment, it should be noted that by providing clamping plates on the clamping fingers of both the shell-removing clamping cylinder 55 and the feeding clamping cylinder 22, the opposite sides of the clamping plates form a clamping plane that is adapted to the width of the aluminum extruded shell. When the shell-removing clamping cylinder 55 and the feeding clamping cylinder 22 are clamping the aluminum extruded shell, the clamping plates abut against the outside of the aluminum extruded shell, thereby increasing the contact area with the aluminum extruded shell and ensuring a stable clamping effect.

[0039] Example 2: To automate the sequential film application process on the inner walls of multiple aluminum extrusion shells for continuous production, this example includes: a supporting base plate 1, a housing device 2, a rotating circular plate 3, and a film supply device 4. The rotating circular plate 3 is rotatably positioned on top of the supporting base plate 1. Several film-carrying protrusions 31 are provided on the top of the rotating circular plate 3, adapting to the inner cavity of the aluminum extrusion shell. The housing device 2 and the film supply device 4 are both located on top of the supporting base plate 1, close to the outside of the rotating circular plate 3, and aligned. A material feeding device 5 is also provided outside the rotating circular plate 3, positioned between the housing device 2 and the film supply device 4. When the rotating circular plate 3 rotates, the film-carrying protrusions 31 sequentially align with the film supply device 4, allowing the film supply device 4 to supply protective films with the adhesive side facing upwards to the top of the film-carrying protrusions 31. The aluminum extruded shell is fitted onto the film carrier boss 31 via a housing device 2. A material feeding device 5 removes the film-coated aluminum extruded shell from the film carrier boss 31. A rotating disc 3 has multiple film carrier bosses 31. Rotating the disc 3 aligns the film carrier bosses 31 sequentially with the film supply device 4, which supplies protective film to the film carrier bosses 31. The disc 3 is then rotated again to align with the housing device 2. The housing device 2 then places multiple aluminum extruded shells onto the film carrier bosses 31 sequentially, completing the film coating process on the inner wall of the aluminum extruded shell. The material feeding device 5 removes the film-coated aluminum extruded shell from the film carrier boss 31, leaving the film carrier boss 31 empty again. The disc 3 is then rotated again to align the empty film carrier boss 31 with the film supply device 4. This process is repeated to automate the sequential film coating process on the inner walls of multiple aluminum extruded shells, improving work efficiency and making it suitable for continuous production.

[0040] In this embodiment, a further addition is that several film-carrying protrusions 31 are evenly distributed on the top of the rotating circular plate 3, and the distance from the center of the rotating circular plate 3 to the protrusions 3 is the same. A driving mechanism is provided at the bottom of the rotating circular plate 3, and the power output end of the driving mechanism is fixedly connected to the bottom center of the rotating circular plate 3. The driving mechanism is used to control the rotation direction of the rotating circular plate 3. During the rotation of the rotating circular plate 3, any one of the film-carrying protrusions 31 can be driven to align sequentially with the film supply device 4, the detection device 6, and the housing device 2, so that the film supply device 4 can place the protective film stably on the film-carrying protrusion 31 with the adhesive side facing up. After passing through the detection device 6, the detection device 6 detects whether a protective film is placed on the film-carrying protrusion 31, and moves it into the housing device 2. The housing device 2 then fits the aluminum extrusion shell onto the outside of the film-carrying protrusion 31, completing the integrated action of swaying, pressing, and applying the film.

[0041] To further improve upon the above description, several supporting plates 32 are provided on the rotating circular plate 3, and each of the supporting plates 32 corresponds to a number of film-carrying protrusions 31. Each of the supporting plates 32 has an installation slot for the film-carrying protrusions 31 to be engaged. The supporting plates 32 support the film-carrying protrusions 31, and the installation slots facilitate the installation and removal of the film-carrying protrusions 31, so as to realize the replacement of the film-carrying protrusions 31 according to the size specifications of the aluminum extrusion shell.

[0042] In Example 3, to automate the alignment detection of the protective film on the film carrier boss 31 and determine whether the protective film is neatly positioned on the film carrier boss 31, since a tilted protective film on the film carrier boss 31 can easily lead to deviations in the film application position and affect production quality, this example includes a detection device 6 positioned between the film supply device 4 and the housing device 2, corresponding to the unloading device 5. The detection device 6 includes a fixed vertical plate 61 and a detection camera 62, with the detection camera 62 positioned outside the fixed vertical plate 61 and its camera facing the rotating circular plate 3. The detection camera 62 can be used to obtain the coordinates of the protective film on the film carrier boss 31, and image recognition can be used to determine whether a protective film exists on the film carrier boss 31 and whether the protective film is aligned on the film carrier boss 31 based on the image.

[0043] In Example 4, to achieve automated film supply, existing protective films, for ease of transport, require multiple protective films to be placed at intervals and orderly on the same release film strip, with the adhesive side of the protective film attached to the release film strip. The release film strip protects the adhesive surface. The release film strip is a special thin film with a separable surface, preventing adhesion when in contact with the adhesive surface. Therefore, during the film supply process, the release film strip must be completely separated from the protective film to ensure the protective film is placed alone on the film carrier boss 31, facilitating full adhesion between the aluminum extrusion shell and the protective film. In this example, the film supply device 4 includes a supporting vertical plate 41, on which a film supply roller 42 and a film collection roller 43 are rotatably mounted. A film exiting inclined plate 44 is positioned between the film supply roller 42 and the film collection roller 43, with the end of the film exiting inclined plate 44 near the rotating circular plate 3 inclined. The film supply roller 42 supplies the strip with the protective film, and the film collection roller 43 recycles the release film strip.

[0044] It should be noted that a tensioning mechanism 45 is provided directly above the film exiting inclined plate 44. The tensioning mechanism 45 includes a fixed horizontal plate 451 and a telescopic cylinder 452. The telescopic cylinder 452 is located at the bottom of the fixed horizontal plate 451. A tensioning roller 453 is rotatably mounted on the power output end of the telescopic cylinder 452. The telescopic cylinder 452 is used to control the range of motion of the tensioning roller 453. By controlling the range of motion of the tensioning roller 453 through the telescopic cylinder 452, the tension of the release film is ensured during film exiting and film receiving, so as to ensure that the protective film on the release film can be completely separated from the release film when it passes through the film exiting inclined plate 44.

[0045] In this embodiment, it should be further explained that a motor for driving the film supply roller 42 and the film take-up roller 43 is provided on the support vertical plate 41. A transmission component is sleeved on the power output end of the motor to drive the film supply roller 42 and the film take-up roller 43 to rotate synchronously.

[0046] Example 5, in conjunction with the above examples, provides an automatic film-applying production line for aluminum extruded battery casings. This includes the automatic film-applying equipment described in any of the above examples, and further includes a casing-feeding transport plane and a material-dropping transport plane. Both the casing-feeding transport plane and the material-dropping transport plane are located near the outside of the rotating circular plate 3. One end of the casing-feeding transport plane is close to the outside of the casing-applying device 2, and one end of the material-dropping transport plane is located directly below the material-dropping device 5. The casing-feeding transport plane supplies aluminum extruded casings to be film-applied, and the material-dropping transport plane transports film-applied aluminum extruded casings to the next process. This achieves automated supply of film-applied aluminum extruded casings to the casing-applying device 2, and allows the film-applied aluminum extruded casings to be transported into subsequent assembly processes.

[0047] The solutions of this application have been described in detail above with reference to the accompanying drawings. In the above embodiments, the descriptions of each embodiment have their own emphasis; parts not described in detail in a certain embodiment can be referred to in the relevant descriptions of other embodiments. Those skilled in the art should also understand that the actions and modules involved in the specification are not necessarily essential to this application. Furthermore, it is understood that the steps in the method of this application embodiments can be adjusted, combined, and deleted according to actual needs, and the modules in the device of this application embodiments can be combined, divided, and deleted according to actual needs. The various embodiments of this application have been described above. The above description is exemplary and not exhaustive, and is not limited to the disclosed embodiments. Many modifications and changes will be apparent to those skilled in the art without departing from the scope and spirit of the described embodiments. The terminology used herein is chosen to best explain the principles, practical applications, or improvements to the technology in the market of the various embodiments, or to enable other those skilled in the art to understand the various embodiments disclosed herein.

Claims

1. An automatic film-applying device for aluminum extruded battery casings, characterized in that, include: Support base plate, housing device, rotating circular plate and film supply device; The rotating circular plate is rotatably mounted on the top of the supporting base plate, and the top of the rotating circular plate is provided with a plurality of film-carrying protrusions. The film-carrying protrusions are adapted to the inner cavity of the aluminum extrusion shell. The shell-mounting device and the film-supplying device are both located on the top of the supporting base plate, and the shell-mounting device and the film-supplying device are both close to the outside of the rotating circular plate. The shell-mounting device corresponds to the film-supplying device, and a material-dropping device is also provided on the outside of the rotating circular plate. The material-dropping device is located between the shell-mounting device and the film-supplying device. The film-supplying device is used to supply a protective film with the adhesive side facing up to the top of the film-carrying protrusions. The shell-mounting device is used to fit the aluminum extrusion shell to be film-applied onto the film-carrying protrusions. The material-dropping device is used to remove the film-applied aluminum extrusion shell from the film-carrying protrusions. The housing device includes a displacement mechanism and a feeding clamping cylinder. The feeding clamping cylinder is located on the moving end of the displacement mechanism. The displacement mechanism is used to control the range of motion of the feeding clamping cylinder. The feeding clamping cylinder is used to clamp the aluminum extruded housing to be coated with film. The clamping surface of the feeding clamping cylinder faces the rotating circular plate.

2. The automatic film-applying equipment for aluminum extruded battery casings according to claim 1, characterized in that, The displacement mechanism includes a linear motion module and a lifting module. A moving plate is provided on the moving end of the linear motion module, and one end of the linear motion module is close to the rotating circular plate. The bottom of the lifting module is fixed to one side of the moving plate, and a lifting plate is provided on the moving end of the lifting module. The lifting plate is located directly above the rotating circular plate. An adjustment cylinder is provided on the outside of the lifting plate. A mounting plate is provided on the power output end of the adjustment cylinder. A servo motor is provided on the outside of the mounting plate. A loading clamping cylinder is provided on the power output end of the servo motor. The linear motion module is used to control the moving distance of the lifting module, the lifting module is used to control the lifting height of the adjustment cylinder, and the servo motor is used to control the rotation direction of the loading clamping cylinder.

3. The automatic film-applying equipment for aluminum extruded battery casings according to claim 1, characterized in that, The film supply device includes a support vertical plate, on which a film supply roller and a film receiving roller are rotatably mounted respectively. A film exiting inclined plate is provided between the film supply roller and the film receiving roller, and the end of the film exiting inclined plate near the rotating circular plate is inclined. The film supply roller is used to supply a strip of material with a protective film sheet, and the film receiving roller is used to recycle the release film strip.

4. The automatic film-applying equipment for aluminum extruded battery casings according to claim 1, characterized in that, It also includes a detection device, which is located between the film supply device and the housing device and corresponds to the material unloading device. The detection device includes a fixed vertical plate and a detection camera. The detection camera is located outside the fixed vertical plate and the camera lens of the detection camera faces the rotating circular plate.

5. The automatic film-applying equipment for aluminum extruded battery casings according to claim 1, characterized in that, The material unloading device includes a rotating mechanism and a movable plate. The power output end of the rotating mechanism is fixedly connected to the movable plate. One end of the movable plate is located directly above the rotating circular plate, and a lifting mechanism is rotatably provided at one end of the movable plate. A lifting rod is provided on the power output end of the lifting mechanism, and a shell-grabbing clamping cylinder for clamping the unloaded material is provided at the end of the lifting rod.

6. The automatic film-applying equipment for aluminum extruded battery casings according to claim 3, characterized in that, A tensioning mechanism is provided directly above the film exiting inclined plate. The tensioning mechanism includes a fixed horizontal plate and a telescopic cylinder. The telescopic cylinder is located at the bottom of the fixed horizontal plate. A tensioning roller is rotatably mounted on the power output end of the telescopic cylinder. The telescopic cylinder is used to control the range of motion of the tensioning roller.

7. The automatic film-applying equipment for aluminum extruded battery casings according to claim 3, characterized in that, When any one of the film carrier protrusions is aligned with one end of the film exiting inclined plate, the film exiting inclined plate is located directly above the film carrier protrusion, and the two ends of the film carrier protrusion are aligned with the two ends of the film exiting inclined plate.

8. The automatic film-applying equipment for aluminum extruded battery casings according to claim 1, characterized in that, A plurality of the carrier film protrusions are evenly distributed on the top of the rotating circular plate, and the plurality of the carrier film protrusions are equidistant from the center of the rotating circular plate. A driving mechanism is provided at the bottom of the rotating circular plate, and the power output end of the driving mechanism is fixedly connected to the center of the bottom of the rotating circular plate. The driving mechanism is used to control the rotation direction of the rotating circular plate.

9. The automatic film-applying equipment for aluminum extruded battery casings according to claim 5, characterized in that, Both the shell-removing clamping cylinder and the feeding clamping cylinder have clamping plates on their clamping fingers. The opposite sides of the clamping plates form a clamping plane that matches the width of the aluminum extruded shell.

10. The automatic film-applying equipment for aluminum extruded battery casings according to claim 1, characterized in that, The rotating circular plate is provided with several bearing plates, each bearing plate corresponding to one of the several film protrusions, and each bearing plate is provided with an installation slot for the film protrusions to be engaged.

11. An automatic film-applying production line for aluminum extruded battery casings, comprising an automatic film-applying device as described in any one of claims 1 to 10, characterized in that, It also includes a shell feeding transport plane and a material unloading transport plane; both the shell feeding transport plane and the material unloading transport plane are located near the outside of the rotating circular plate, and one end of the shell feeding transport plane is close to the outside of the shell covering device, and one end of the material unloading transport plane is located directly below the material unloading device. The shell feeding transport plane is used to supply aluminum extruded shells to be coated, and the material unloading transport plane is used to transport aluminum extruded shells that have been coated to the next process.

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