Atomization liquid injection device
By atomizing and injecting liquid into the electrodes and separators during the stacking process, the problem of long standing and immersion time in lithium battery production is solved, thus improving production efficiency.
Patent Information
- Application Number
- CN202520148009.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-22
- Publication Date
- 2026-02-24
- Estimated Expiration
- 2035-01-22
AI Technical Summary
In existing lithium battery manufacturing processes, the long immersion time leads to low production efficiency.
An atomizing liquid injection device is used to inject liquid into the electrode and diaphragm during the stacking process. Through the cooperation of the stacking part and the liquid injection part, the electrode and electrolyte are fully contacted, reducing the subsequent static wetting time.
This improves the production efficiency of lithium batteries, allowing the electrode to fully contact the electrolyte during the electrolyte injection process and reducing the static soaking time.
Smart Images
Figure CN223941982U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of lithium battery production technology, and more specifically, it relates to an atomizing liquid injection device. Background Technology
[0002] With the development of battery technology, lithium batteries have been widely used due to their advantages such as light weight, high energy density, and long service life. Based on different manufacturing processes, lithium batteries can be divided into stacked lithium batteries and wound lithium batteries. Compared to stacked lithium batteries, stacked lithium batteries have higher energy density, more stable internal structure, and wider application areas. In the production of existing stacked lithium batteries, the positive and negative electrode sheets are repeatedly sucked up using a negative pressure suction cup structure. A separator film is laid between the positive and negative electrode sheets to separate them, and the three are stacked sequentially to form a core. After the stacking process, the core needs to be assembled into a casing. The casing has a liquid injection port, and then the liquid injection equipment injects liquid into the core through the injection port. After liquid injection, the core needs to be left to soak for a period of time before being sent to the formation process to ensure sufficient contact between the liquid and the electrode sheets inside the core. In current production processes, the soaking time for lithium batteries is generally several hours, resulting in low battery production efficiency. Summary of the Invention
[0003] The purpose of this invention is to provide an atomizing liquid injection device to solve the technical problem that the static soaking time of lithium batteries in existing production processes is generally as long as several hours, resulting in low battery production efficiency.
[0004] To achieve the above objectives, the present invention provides an atomizing liquid injection device, comprising a stacking section and two injection sections. The stacking section is provided with a first linear module, and a stacking platform is provided on the first slider of the first linear module. The stacking platform can slide with the first slider to a first stacking position and a second stacking position. When the stacking platform slides to the first stacking position or the second stacking position, electrode sheets can be stacked on the diaphragm on the stacking platform. A diaphragm storage mechanism is provided between the first stacking position and the second stacking position. The free end of the diaphragm in the diaphragm storage mechanism is placed on the stacking platform. Multiple sets of pressing mechanisms are provided on the first slider, and the multiple sets of pressing mechanisms are respectively located on the stacking platform. On both sides of the stacking platform, a clamping mechanism is used to press the positive electrode, diaphragm, and negative electrode stacked sequentially on the stacking platform. When the stacking platform slides between the first stacking position and the second stacking position with the first slider, it will pull the diaphragm storage mechanism to release the diaphragm so that the diaphragm is stacked on the positive electrode or negative electrode. Two sets of liquid injection sections are located above the first stacking position and the second stacking position, respectively. The liquid injection section is equipped with a liquid injection lifting cylinder. The cylinder rod of the liquid injection lifting cylinder is connected to a liquid injection tank. The liquid injection tank is equipped with a liquid injection mechanism. The liquid injection tank is used to cover the stacking platform that slides to the bottom of it. The liquid injection mechanism is used to atomize and inject liquid into the positive electrode, diaphragm, or negative electrode on the stacking platform.
[0005] In one possible implementation, four sets of clamping mechanisms are provided, with each set symmetrically arranged in pairs on both sides of the stacking table. Each clamping mechanism includes a second linear module and a clamping cylinder. The second linear module is mounted on the first slider, and the sliding direction of the second slider of the second linear module is perpendicular to the sliding direction of the first slider. The clamping cylinder is mounted on the second slider, and a clamping claw is provided on the cylinder rod of the clamping cylinder. The clamping cylinder is used to push the clamping claw to move up and down, and the second slider is used to drive the clamping claw to insert into or move away from the stacking table.
[0006] In one possible implementation, the diaphragm storage mechanism includes a fixed base, a diaphragm roller, two first clamping rollers, a first transfer roller, a second transfer roller, and two second clamping rollers. The diaphragm roller is rotatably mounted on the fixed base, and the diaphragm is wound around the diaphragm roller. One end of the diaphragm is fixed to the diaphragm roller, and the other end is freely released. The two first clamping rollers are located to the lower left of the diaphragm roller and are rotatably connected to the fixed base. The two first clamping rollers are arranged vertically, and a first gap is provided between the two clamping rollers for the diaphragm to pass through. The first transfer roller is rotatably connected to the fixed base. The transfer roller is located to the lower right of the two first clamping rollers; the second transfer roller is rotatably connected to the fixed base and is located to the lower left of the first transfer roller; the two second clamping rollers are rotatably connected to the fixed base and are arranged side by side, located in the middle of the first and second stacking positions, and a second gap is provided between the two second clamping rollers for the diaphragm to pass through; after the free end of the diaphragm passes through the first gap, around the first transfer roller, the second transfer roller, and through the second gap in sequence, it is pressed onto the stacking table by the pressing mechanism.
[0007] In one possible implementation, the injection mechanism includes an injection frame, a slide bar, multiple sliding seats, an adjustment frame, and an adjustment cylinder. The injection frame is connected to the injection tank and is located inside the injection tank. The slide bar is mounted on the injection frame. Multiple sliding seats are slidably mounted on the slide bar, each sliding seat having an atomizing nozzle. Each sliding seat has a rolling wheel rotatably mounted on its back. The adjustment frame has a vertical guide groove and multiple inclined guide grooves, which are divided into two groups. The two groups of inclined guide grooves are located on both sides of the vertical guide groove and are symmetrical about the vertical guide groove axis. A rolling wheel is rotatably mounted in the vertical guide groove and each inclined guide groove. The adjustment cylinder is mounted on the injection frame and connected to the adjustment frame. The adjustment cylinder is used to push the adjustment frame up and down, causing the sliding seats to move along the slide bar, thereby adjusting the distance between the atomizing nozzles.
[0008] In one possible implementation, two slide bars are provided, which are arranged in parallel. Each slide bar is provided with multiple sliding seats. An adjustment frame is located between the two slide bars. The adjustment frame has a U-shaped structure. Each of the two parallel vertical plates of the adjustment frame is provided with a vertical guide groove and multiple oblique guide grooves. Each vertical plate is connected to the sliding seat on the same side by a rolling wheel.
[0009] In one possible implementation, the atomizing liquid injection device further includes an electrode transport section, two third linear modules, and two stacking lifting cylinders. The electrode transport section is used to transport positive and negative electrode sheets, which are alternately placed on the electrode transport section in sequence. The transport direction of the electrode transport section is parallel to the movement direction of the stacking stage. One of the third linear modules is located above the first stacking position, and the other third linear module is located above the second stacking position. A third slider is slidably mounted on the third linear module. The sliding direction is perpendicular to the moving direction of the stacking table. The two sets of liquid injection lifting cylinders are respectively equipped with two third sliders. The two stacking lifting cylinders are respectively equipped with two third sliders. The cylinder rod of each stacking lifting cylinder is connected to a stacking suction cup. The stacking suction cup is used to pick up the electrode. The stacking lifting cylinder is used to drive the stacking suction cup to move up and down to contact the electrode. The third linear module is used to drive the stacking suction cup to move between the electrode transfer section and the stacking station, so that the stacking suction cup can transport the electrode on the electrode transfer section to the stacking position for stacking.
[0010] In one possible implementation, the electrode transfer unit includes a transport frame, two transport wheels, two sets of transport belts, and multiple positioning components. The transport frame has a hollow structure and a transmission space inside. The two transport wheels are rotatably connected to the transport frame and are located in the transmission space. The two sets of transport belts are located in the transmission space and are connected to the two transport wheels for belt drive. The two sets of transport belts are spaced apart. The positioning components have an L-shaped structure, with four positioning components per group. Two positioning components are set on each transport belt in the same group, and the positioning components in the same group are symmetrical in pairs. The corners of the positioning components in the same group form an electrode placement position for positioning the electrode.
[0011] In one possible implementation, the electrode transfer unit further includes two sets of electrode storage mechanisms. These two sets of electrode storage mechanisms are used to store positive and negative electrode sheets, respectively. The two sets of electrode storage mechanisms are connected to the transport frame and are located on the sliding paths of two third sliders. Each electrode storage mechanism includes two supports, storage blocks, a push suction cup, a push cylinder, and a drive structure. The two supports are mounted on the transport frame and are located on opposite sides of the transmission space. Each support has two rotating shafts rotatably mounted on it, arranged vertically. Each shaft has two pulleys spaced apart. The pulleys on the same side of the support are grouped in pairs, and the pulleys in the same group are connected by a belt drive. Each belt has multiple storage blocks. Storage blocks are spaced apart along the transmission direction of the belts. A positioning groove is provided at one corner of each storage block. The inner wall of the positioning groove is inclined. Four storage blocks on the four belts and located in the same plane form a group. The positioning grooves on the storage blocks in the same group form an electrode storage space. The inner wall of the positioning groove is used to make corner contact with the electrode, guide and limit the electrode. A push suction cup is located in the transmission space and below the electrode conveyed by the belt. It is used to pick up the electrode above. A push cylinder is connected to the push suction cup and is used to push the push suction cup to rise and fall, pick up the electrode and extend the electrode into the space between the four belts. A drive structure is used to drive the four belts to drive synchronously, so that the storage blocks in the same group rotate to the area below the electrode extended between the belts and put the electrode into the electrode storage space.
[0012] In one possible implementation, the drive structure includes two mounting brackets, two first gears, two second gears, two pawls, two baffles, two levers, and a crossbar. The two mounting brackets are connected to the transport frame and are located on the outer sides of the two supports, respectively. A connecting shaft is rotatably mounted on the mounting brackets. The two first gears are coaxially connected to the lower rotating shafts on the two supports, respectively. The two second gears are rotatably connected to the two connecting shafts via two one-way bearings, and the second gears mesh with the first gears in a one-to-one correspondence. A pawl is rotatably mounted on each mounting bracket, and the end of the pawl extends into the teeth of the second gear on the same mounting bracket. A stop is provided on each mounting bracket. The plate and baffle are used to prevent the pawl from rotating downwards; the two levers are connected to the two connecting shafts respectively, and the two levers are supported on the mounting frame under the action of gravity, with one end of the levers extending out of the mounting frame; the crossbar is connected to the cylinder rod of the push cylinder, and the crossbar is located below the push suction cup, with push rods at both ends of the crossbar; when the two push rods move upwards with the cylinder rod of the push cylinder, the two push rods push the two levers to rotate, and the second gear rotates with the connecting shaft under the action of the one-way bearing, driving the first gear and belt to move; when the two push rods move downwards with the cylinder rod of the push cylinder, the levers rotate in the opposite direction under the action of gravity, and the one-way bearing, pawl and baffle cooperate to keep the second gear stationary.
[0013] The beneficial effects of the atomizing electrolyte injection device provided by this utility model are as follows: Compared with the prior art, the atomizing electrolyte injection process of this utility model injects electrolyte into the positive electrode, separator, or negative electrode simultaneously during the stacking of the positive electrode, separator, or negative electrode. Taking the stacking of the positive electrode and separator as an example, before stacking the positive electrode on the separator, the separator is first sprayed with electrolyte through atomization, and the electrolyte adheres to the separator in the form of fine beads. Then, the positive electrode is stacked on the separator. Alternatively, the positive electrode can be sprayed with electrolyte after it has been stacked on the separator. This utility model produces bare battery cells by performing atomizing electrolyte injection simultaneously with stacking. By performing atomizing electrolyte injection before casing, the electrode can fully contact the electrolyte during the injection process, reducing the subsequent static wetting time and improving production efficiency. The atomizing liquid injection device provided by this utility model can be applied in the atomizing liquid injection process to atomize and inject liquid into electrodes or diaphragms during the stacking process. The atomizing liquid injection device includes a stacking section and two sets of injection sections. The stacking section is provided with a first linear module. A first slider on the first linear module can move horizontally. The first slider is provided with a stacking platform and multiple pressing mechanisms. The multiple pressing mechanisms are used to press the diaphragms and electrodes stacked on the stacking platform. The stacking platform can slide with the first slider to the first stacking position and the second stacking position for stacking electrodes. The stacking section also includes a diaphragm storage mechanism, which is located between the first stacking position and the second stacking position. When the stacking platform moves between the first stacking position and the second stacking position, it pulls the diaphragm storage mechanism to release the diaphragm, so that the diaphragm is stacked on the electrode. Two injection units are located above the first and second stacking positions, respectively. Each injection unit is equipped with an injection lifting cylinder, the cylinder rod of which is connected to an injection tank. The injection tank contains an injection mechanism that can atomize and inject electrolyte onto the positive electrode, diaphragm, or negative electrode on the stacking platform by lowering the lifting cylinder. This atomizing injection device atomizes and injects electrolyte onto the electrode or diaphragm during the stacking process, ensuring full contact between the electrode and the electrolyte, reducing subsequent static wetting time, and improving production efficiency. Attached Figure Description
[0014] To more clearly illustrate the technical solutions in the embodiments of this utility model, 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 this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0015] Figure 1 A schematic diagram of the structure of the atomizing liquid injection device provided in the embodiment of this utility model;
[0016] Figure 2 This is a schematic diagram of the structure of the electrode transmission section used in an embodiment of this utility model;
[0017] Figure 3 This is a schematic diagram of the electrode storage mechanism used in the embodiments of this utility model;
[0018] Figure 4 This is a front view of the stacked portion used in the embodiments of this utility model;
[0019] Figure 5 This is a three-dimensional structural diagram of the stacked portion used in an embodiment of the present utility model.
[0020] Figure 6 This is a schematic diagram of the atomizing liquid injection mechanism used in the embodiments of this utility model;
[0021] Figure 7 This is a schematic diagram of the atomizing liquid injection mechanism used in an embodiment of the present invention from another angle.
[0022] The labels for the attached figures are as follows:
[0023] 1. Transport frame; 2. Transport belt; 3. Fourth linear module; 4. Electric turntable; 5. Stacking lifting cylinder; 6. Diaphragm roller; 7. Injection lifting cylinder; 8. Third linear module; 9. Clamping assembly; 901. Fixed frame; 902. Clamping cylinder; 903. Movable gripper; 904. Fixed gripper; 10. Stacking suction cup; 11. Injection tank; 12. Pressing cylinder; 13. Movable table; 14. First linear module; 15. Fixed table; 16. Transport wheel; 17. Push suction cup; 18. Push rod; 19. Push cylinder; 20. Crossbar; 21. Cutting lifting cylinder; 22. Cutter; 23. Lever ; 24. Storage block; 25. Second gear; 26. Belt; 27. Positioning component; 28. Bracket; 29. Positioning groove; 30. One-way bearing; 31. Claw; 32. Baffle; 33. First gear; 34. Fixed seat; 35. First clamping roller; 36. Second transfer roller; 37. First transfer roller; 38. Second clamping roller; 39. Pressure claw; 40. Second linear module; 41. Avoidance cylinder; 42. Adjustment cylinder; 43. Liquid injection rack; 44. Slide rod; 45. Sliding seat; 46. Atomizing nozzle; 47. Vertical guide groove; 48. Inclined guide groove; 49. Roller; 50. Adjustment frame. Detailed Implementation
[0024] To make the technical problem to be solved, the technical solution, and the beneficial effects of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the described embodiments are only a part of the embodiments of this application, not all of them. The specific embodiments described herein are only used to explain this utility model and are not intended to limit this utility model. Based on the embodiments in this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.
[0025] It should be further explained that the accompanying drawings and embodiments of this utility model mainly describe the concept of this utility model. Based on this concept, some specific forms and settings of connection relationships, positional relationships, power mechanisms, power supply systems, hydraulic systems and control systems may not be fully described. However, under the premise that those skilled in the art understand the concept of this utility model, they can implement the above-mentioned specific forms and settings in a well-known manner.
[0026] 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.
[0027] The directional terms "inner" and "outer" refer to the inner and outer sides relative to the outline of each component itself. The terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model 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 utility model.
[0028] For ease of description, spatial relative terms such as "above," "over," "on the upper surface of," "above," etc., are used herein to describe the spatial positional relationship of a device or feature as shown in the figures to other devices or features. It should be understood that spatial relative terms are intended to encompass different orientations in use or operation beyond the orientation of the device as described in the figures. For example, if the device in the figures were inverted, a device described as "above" or "above" other devices or structures would subsequently be positioned as "below" or "under" other devices or structures. Thus, the exemplary term "above" can include both "above" and "below." The device may also be positioned in other different ways, and the spatial relative descriptions used herein will be interpreted accordingly.
[0029] 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. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this utility model, "multiple" means two or more, and "several" means one or more, unless otherwise explicitly specified.
[0030] The atomizing liquid injection device provided by this utility model will now be described.
[0031] The first embodiment of this utility model provides an atomization liquid injection process, including the following steps:
[0032] S01, to obtain the positive electrode, negative electrode, electrolyte and separator;
[0033] S02, positive electrode, separator and negative electrode are stacked in sequence, and a separator is provided between each adjacent positive electrode and negative electrode. Electrolyte is sprayed into the positive electrode or separator in atomized form between each stacking of positive electrode and separator. At the same time, electrolyte is sprayed into the negative electrode or separator in atomized form between each stacking of negative electrode and separator. The sprayed electrolyte is attached to the positive electrode, negative electrode or separator in fine beads, so as to obtain bare battery cell at the same time as liquid injection.
[0034] S03, Install the bare battery cell into the casing.
[0035] Compared with the prior art, the atomized electrolyte injection process provided in this embodiment injects electrolyte into the positive electrode, separator, or negative electrode simultaneously during the stacking of the positive electrode, separator, or negative electrode. Taking the stacking of the positive electrode and separator as an example, before stacking the positive electrode on the separator, the separator is first sprayed with electrolyte in atomized form, with the electrolyte adhering to the separator in fine beads, and then the positive electrode is stacked on the separator. Alternatively, the positive electrode can be sprayed with electrolyte after it has been stacked on the separator. This invention produces bare cells by performing atomized electrolyte injection simultaneously with stacking. By performing atomized electrolyte injection before casing, the electrode can fully contact the electrolyte during the injection process, reducing the subsequent static wetting time and improving production efficiency.
[0036] In this embodiment, during the stacking of the positive electrode and the separator, and the negative electrode and the separator, the electrolyte can be atomized and sprayed onto the negative electrode and the positive electrode only after the negative electrode and the positive electrode are placed on the separator. Alternatively, the electrolyte can be atomized and sprayed onto the separator before the negative electrode and the positive electrode are placed on the separator. Furthermore, the electrolyte can be atomized and sprayed onto the separator, the positive electrode, and the negative electrode all at the same time.
[0037] In this embodiment, after the stacking and atomization liquid injection are completed, the battery cells are installed into the casing. After installation, a small amount of liquid can be added to the battery cells inside the casing as needed.
[0038] like Figure 1 and Figures 4 to 5 As shown, based on the same inventive concept, this application also provides an atomizing liquid injection device, including a stacking section and two sets of injection sections. The stacking section is provided with a first linear module 14, and a stacking platform is provided on the first slider of the first linear module 14. The stacking platform can slide with the first slider to a first stacking position and a second stacking position. When the stacking platform slides to the first stacking position or the second stacking position, electrode sheets can be stacked on the diaphragm on the stacking platform. A diaphragm storage mechanism is provided between the first stacking position and the second stacking position. The free end of the diaphragm in the diaphragm storage mechanism is placed on the stacking platform. The first slider is provided with multiple sets of pressing mechanisms, which are respectively located on the stacking platform. On both sides, the pressing mechanism is used to press the positive electrode, diaphragm and negative electrode stacked sequentially on the stacking platform. When the stacking platform slides between the first stacking position and the second stacking position with the first slider, it will pull the diaphragm storage mechanism to release the diaphragm so that the diaphragm is stacked on the positive electrode or negative electrode. The two sets of liquid injection sections are located above the first stacking position and the second stacking position respectively. The liquid injection section is equipped with a liquid injection lifting cylinder 7. The cylinder rod of the liquid injection lifting cylinder 7 is connected to the liquid injection tank 11. The liquid injection tank 11 is equipped with a liquid injection mechanism. The liquid injection tank 11 is used to cover the stacking platform that slides to the bottom of it. The liquid injection mechanism is used to atomize and inject liquid into the positive electrode, diaphragm or negative electrode on the stacking platform.
[0039] Compared with the prior art, the atomizing liquid injection device provided in this embodiment can be applied to the atomizing liquid injection process to atomize and inject liquid into the electrode or diaphragm during the stacking process. The atomizing liquid injection device includes a stacking section and two sets of injection sections. The stacking section is provided with a first linear module 14. A first slider on the first linear module 14 can move horizontally. The first slider is provided with a stacking platform and multiple pressing mechanisms. The multiple pressing mechanisms are used to press the diaphragm and electrode stacked on the stacking platform. The stacking platform can slide with the first slider to the first stacking position and the second stacking position for stacking the electrode. The stacking section also includes a diaphragm storage mechanism located between the first stacking position and the second stacking position. When the stacking platform moves between the first stacking position and the second stacking position, it pulls the diaphragm storage mechanism to release the diaphragm, so that the diaphragm is stacked on the electrode. Two injection units are located above the first and second stacking positions, respectively. Each injection unit is equipped with an injection lifting cylinder 7, whose cylinder rod is connected to an injection tank 11. The injection tank 11 contains an injection mechanism that can atomize and inject electrolyte into the positive electrode, diaphragm, or negative electrode on the stacking platform by lowering the lifting cylinder. This atomizing injection device atomizes and injects electrolyte into the electrode or diaphragm during the stacking process, ensuring full contact between the electrode and the electrolyte, reducing subsequent static wetting time, and improving production efficiency.
[0040] In this embodiment, it is assumed that the first stacking position is used to stack negative electrode sheets, and the second stacking position is used to stack positive electrode sheets. A diaphragm storage mechanism is located between the first and second stacking positions. The diaphragm storage mechanism contains a diaphragm, with one end fixed and the other end freely released. Initially, the free end of the diaphragm is fixed to the stacking platform. When the stacking platform slides to the first stacking position, the liquid injection lifting cylinder 7 above the first stacking position moves the liquid injection tank 11 downwards, atomizing and spraying electrolyte onto the diaphragm at the first stacking position. After the atomization and spraying are complete, the liquid injection tank 11 moves upwards. Then, positive electrode sheets can be manually stacked onto the diaphragm on the stacking platform. After placement, electrolyte is atomized and sprayed onto the positive electrode sheets, and a pressing mechanism presses the diaphragm and positive electrode sheets on the placement platform. Subsequently, the first slider moves the stacking platform to the second stacking position. During the movement of the stacking platform, the diaphragm storage mechanism releases the diaphragm, so that the diaphragm covers the positive electrode. Then, the negative electrode can continue to be stacked on it. During this process, the liquid injection tank 11 above the second stacking position can be used to inject liquid into the diaphragm covering the positive electrode and the negative electrode.
[0041] like Figure 5 As shown, based on the second embodiment, this utility model provides a specific embodiment as follows: four sets of clamping mechanisms are provided, and the four sets of clamping mechanisms are symmetrically arranged in pairs on both sides of the stacking table. The clamping mechanism includes a second linear module 40 and a clamping cylinder 12. The second linear module 40 is disposed on the first slider, and the sliding direction of the second slider of the second linear module 40 is perpendicular to the sliding direction of the first slider. The clamping cylinder 12 is disposed on the second slider, and the cylinder rod of the clamping cylinder 12 is provided with a clamping claw 39. The clamping cylinder 12 is used to push the clamping claw 39 to move up and down, and the second slider is used to drive the clamping claw 39 to insert into the stacking table or move away from the stacking table.
[0042] In this embodiment, the pressing process of the pressing mechanism is as follows: Assuming the initial state, the stacking platform is located at the first stacking position, and the pressing claws 39 of the four pressing mechanisms all press the diaphragm. After the positive electrode is stacked on the diaphragm, the two pressing mechanisms farther from the second stacking position remain stationary, while the second sliders of the two pressing mechanisms closer to the second stacking position move synchronously away from the stacking platform, pulling the pressing claws 39 off the diaphragm. The pressing cylinder 12 pushes the clamping claws 31 upwards, and then the second slider moves towards the stacking platform, with the clamping claws 31 extending above the positive electrode. Then, the pressing cylinder 12 drives the clamping claws 31 downwards, pressing the positive electrode and completing the fixing. After the positive electrode is stacked, the stacking platform moves to the second stacking position, and the diaphragm released by the diaphragm storage mechanism folds around the two clamping claws 31 farther from the first stacking position to cover the positive electrode. Then, the negative electrode sheet is placed on the diaphragm. The two sets of pressing mechanisms that are farther away from the first stacking position remain stationary, while the second sliders of the two sets of pressing mechanisms that are closer to the first stacking position move synchronously in the direction away from the stacking table, pulling the pressing claw 39 out of the diaphragm. The pressing cylinder 12 pushes the clamping claw 31 upward, and then the second slider moves towards the stacking table. The clamping claw 31 extends into the top of the negative electrode sheet, and then the pressing cylinder 12 drives the clamping claw 31 to move downward and press the negative electrode sheet to complete the fixation. Then, the above operation is repeated to stack and press the electrode sheet.
[0043] like Figure 4 and Figure 5 As shown, based on the second embodiment, this utility model provides a further specific embodiment as follows: The diaphragm storage mechanism includes a fixed base 34, a diaphragm roller 6, two first clamping rollers 35, a first transfer roller 37, a second transfer roller 36, and two second clamping rollers 38. The diaphragm roller 6 is rotatably mounted on the fixed base 34, and the diaphragm is wound around the diaphragm roller 6. One end of the diaphragm is fixed to the diaphragm roller 6, and the other end is freely released. The two first clamping rollers 35 are located to the lower left of the diaphragm roller 6 and are rotatably connected to the fixed base 34. The two first clamping rollers 35 are arranged vertically, and a first gap is provided between the two clamping rollers for the diaphragm to pass through. The first transfer roller 37 is connected to the fixed base 34. The base 34 is rotatably connected, and the first transfer roller 37 is located to the lower right of the two first clamping rollers 35; the second transfer roller 36 is rotatably connected to the base 34 and is located to the lower left of the first transfer roller 37; the two second clamping rollers 38 are rotatably connected to the base 34 and are arranged side by side, located in the middle of the first and second stacking positions, with a second gap between the two clamping rollers 38 for the diaphragm to pass through; after the free end of the diaphragm passes through the first gap, around the first transfer roller 37, the second transfer roller 36, and through the second gap in sequence, it is pressed onto the stacking table by the pressing mechanism.
[0044] In this embodiment, the free end of the diaphragm passes through the first gap, around the first transfer roller 37, the second transfer roller 36, and through the second gap in sequence, and is then pressed onto the stacking table by a pressing mechanism. The diaphragm is released in a Z-shape under the guidance of the two first clamping rollers 35, the first transfer roller 37, the second transfer roller 36, and the two second clamping rollers 38.
[0045] In this embodiment, the diaphragm roller 6 is connected to the fixed base 34 by friction rotation. Without external pulling, the diaphragm roller 6 cannot rotate. When the stacking platform moves between the first stack position and the second stack position, it will pull the diaphragm, causing the diaphragm roller 6 to rotate and release the diaphragm, so that the diaphragm is stacked on the positive electrode or the negative electrode.
[0046] like Figures 6 to 7 As shown, based on the second embodiment, this utility model provides a further specific embodiment as follows: The injection mechanism includes an injection frame 43, a slide rod 44, multiple sliding seats 45, an adjustment frame 50, and an adjustment cylinder 42. The injection frame 43 is connected to the injection tank 11 and is disposed inside the injection tank 11; the slide rod 44 is disposed on the injection frame 43; multiple sliding seats 45 are slidably disposed on the slide rod 44, each sliding seat 45 is provided with an atomizing nozzle 46, and each sliding seat 45 is rotatably provided with a rolling wheel 49 on its back; adjustment... The frame 50 is provided with a vertical guide groove 47 and multiple inclined guide grooves 48. The multiple inclined guide grooves 48 are divided into two groups. The two groups of inclined guide grooves 48 are located on both sides of the vertical guide groove 47 and are symmetrical about the vertical guide groove 47. A rolling wheel 49 is rolled in the vertical guide groove 47 and each inclined guide groove 48. The adjusting cylinder 42 is provided on the liquid injection frame 43 and connected to the adjusting frame 50. The adjusting cylinder 42 is used to push the adjusting frame 50 to move up and down, drive the sliding seat 45 to move along the sliding rod 44, and adjust the distance between each atomizing nozzle 46.
[0047] In this embodiment, the adjustment frame 50 is provided with a vertical guide groove 47 and multiple inclined guide grooves 48. The multiple inclined guide grooves 48 are divided into two groups, which are symmetrical about the vertical guide groove 47 and are located on both sides of the vertical guide groove 47. The rolling wheels 49 on the back of each sliding seat 45 are respectively rolled in the inclined guide groove 48 and the vertical guide groove 47, and only one rolling wheel 49 can be provided in each of the inclined guide groove 48 and the vertical guide groove 47. The multiple sliding seats 45 are all slidably mounted on the slide rod 44. When the adjustment cylinder 42 drives the adjustment frame 50 to move up and down, the sliding seats 45 can be moved under the transmission of the inclined guide grooves 48, the vertical guide grooves 47 and the rolling wheels 49, thereby adjusting the distance between each sliding seat 45, and thus adjusting the distance between each atomizing nozzle 46, so as to adjust the atomization injection range.
[0048] like Figures 6 to 7As shown, based on the second embodiment, this utility model provides a specific embodiment as follows: Two slide rods 44 are provided, and the two slide rods 44 are arranged in parallel. Each slide rod 44 is provided with multiple sliding seats 45. The adjustment frame 50 is located between the two slide rods 44. The adjustment frame 50 has a U-shaped structure. Each of the two parallel vertical plates of the adjustment frame 50 is provided with a vertical guide groove 47 and multiple oblique guide grooves 48. Each vertical plate is connected to the sliding seat 45 on the same side through a rolling wheel 49.
[0049] In this embodiment, the adjustment frame 50 is configured as a U-shaped structure. Vertical guide grooves 47 and multiple oblique guide grooves 48 are provided on both parallel vertical plates of the adjustment frame 50. Two parallel sliding rods 44 are arranged on opposite sides of the adjustment frame 50. Each sliding rod 44 has multiple sliding seats 45 slidably mounted on it. Each vertical plate is connected to the sliding seat 45 on the same side via a rolling wheel 49. A rolling wheel 49 is correspondingly provided in each vertical guide groove 47 and oblique guide groove 48. The U-shaped adjustment frame 50 allows for the installation of two rows of atomizing nozzles 46, and the spacing between the two rows of atomizing nozzles can be adjusted synchronously, expanding the injection range and enabling more uniform injection spraying.
[0050] like Figures 1 to 3 As shown, based on the second embodiment, this utility model provides a further specific embodiment as follows: The atomizing liquid injection device also includes an electrode transfer section, two third linear modules 8, and two stacking lifting cylinders 5. The electrode transfer section is used to transfer positive and negative electrode sheets, which are alternately placed on the electrode transfer section in sequence. The transfer direction of the electrode transfer section is parallel to the movement direction of the stacking table. One of the third linear modules 8 is located above the first stacking position, and the other third linear module 8 is located above the second stacking position. A third slider is slidably provided on the third linear module 8. The sliding direction of the third slider is perpendicular to the moving direction of the stacking table. The two sets of liquid injection lifting cylinders 7 are respectively provided on the two third sliders. The two stacking lifting cylinders 5 are respectively provided on the two third sliders. The cylinder rod of each stacking lifting cylinder 5 is connected to a stacking suction cup 10. The stacking suction cup 10 is used to pick up the electrode. The stacking lifting cylinder 5 is used to drive the stacking suction cup 10 to move up and down to contact the electrode. The third linear module 8 is used to drive the stacking suction cup 10 to move between the electrode transfer section and the stacking station, so that the stacking suction cup 10 can transport the electrode on the electrode transfer section to the stacking position for stacking.
[0051] In this embodiment, the atomizing liquid injection device further includes an electrode transfer section. Positive and negative electrode sheets are alternately placed on the electrode transfer section and move forward with it. A third linear module 8 is provided above the first and second stacking positions. The movement directions of the third sliders of the two third linear modules 8 are parallel and perpendicular to the movement direction of the stacking platform and the transfer direction of the electrode transfer section. Each third slider is equipped with an injection lifting cylinder 7 and a stacking lifting cylinder 5. When the stacking lifting cylinder 5 moves above the electrode transfer section with the third slider, the injection lifting cylinder 7 is positioned above the corresponding first or second stacking position. The stacking lifting cylinder 5 drives the stacking suction cup 10 to pick up the electrode sheet below, and the injection lifting cylinder 7 can perform atomized liquid injection below. When the third slider moves in the opposite direction, the stacking lifting cylinder 5 moves above the corresponding first or second stacking position, and the electrode sheet can be released through the stacking suction cup 10, stacking the electrode sheet on the diaphragm.
[0052] like Figures 1 to 3 As shown, based on the second embodiment, this utility model provides a specific embodiment as follows: The electrode transfer unit includes a transport frame 1, two transport wheels 16, two sets of transport belts 2, and multiple positioning components 27. The transport frame 1 has a hollow structure and a transmission space is provided inside the transport frame 1. The two transport wheels 16 are rotatably connected to the transport frame 1 and are located in the transmission space. The two sets of transport belts 2 are located in the transmission space and are connected to the two transport wheels 16 for belt drive. The two sets of transport belts 2 are arranged at intervals. The positioning components 27 have an L-shaped structure. The positioning components 27 are arranged in groups of four. Two positioning components 27 are arranged on each transport belt 2 in the same group. The positioning components 27 in the same group are symmetrical in pairs. The corners of the positioning components 27 in the same group form an electrode placement position for positioning the electrode.
[0053] In this embodiment, multiple positioning chambers are set on both directional conveyor belts 2. The positioning element 27 has an L-shaped structure, and four positioning elements 27 are grouped together. Two positioning elements 27 are set on each conveyor belt 2 in the same group, and the positioning elements 27 in the same group are symmetrical in pairs, so that the corners of the positioning elements 27 in the same group form an electrode placement position for positioning the electrode sheet. Multiple electrode placement positions are set and spaced apart along the moving direction of the conveyor belt 2. Positive electrode sheets and negative electrode sheets are alternately placed in adjacent electrode placement positions, so that the electrode sheets can be successfully positioned and the accuracy of the electrode sheet stacking position can be guaranteed. The stacking suction cup 10 on one of the third linear modules 8 can only pick up the positive electrode sheet and transport the positive electrode sheet to the first stacking position; the stacking suction cup 10 on the other third linear module 8 can only pick up the negative electrode sheet and transport the negative electrode sheet to the second stacking position.
[0054] like Figures 1 to 3As shown, based on the second embodiment, this utility model provides a further specific embodiment as follows: The electrode transfer unit also includes two sets of electrode storage mechanisms, which are used to store positive and negative electrode sheets respectively. The two sets of electrode storage mechanisms are connected to the transport frame 1 and are located on the sliding paths of the two third sliders. Each electrode storage mechanism includes two supports 28, storage blocks 24, a push suction cup 17, a push cylinder 19, and a drive structure. The two supports 28 are mounted on the transport frame 1 and are respectively located on both sides of the transmission space. Each support 28 has two rotating shafts rotatably mounted on it, arranged vertically. Each shaft has two pulleys spaced apart. The pulleys on the same side of the support 28 are grouped into two groups, and the pulleys in the same group are connected by a belt 26. Each belt 26 has multiple storage blocks 24. Multiple storage blocks 24 are spaced apart along the transmission direction of the belts 26. A positioning groove 29 is provided at one corner of each storage block 24. The inner wall of the positioning groove 29 is inclined. Four storage blocks 24 on the same plane on the four belts 26 form a group. The positioning grooves 29 on the storage blocks 24 in the same group form an electrode storage space. The inner wall of the positioning groove 29 is used for corner contact with the electrode, guiding and limiting the electrode. The push suction cup 17 is located in the transmission space and below the electrode conveyed by the belts 26. It is used to pick up the electrode above. The push cylinder 19 is connected to the push suction cup 17 and is used to push the push suction cup 17 to rise and fall, pick up the electrode and extend the electrode into the space between the four belts 26. The drive structure is used to drive the four belts 26 to drive synchronously, so that the storage blocks 24 in the same group rotate to the bottom of the electrode extended between the belts 26 and put the electrode into the electrode storage space.
[0055] In this embodiment, the electrode transfer unit also includes two sets of electrode storage mechanisms. These mechanisms are used to store positive and negative electrodes, respectively. By pre-storing some electrodes in each storage mechanism—one for positive electrodes and the other for negative electrodes—the stacking and liquid injection processes can remain temporarily unaffected should the conveyor belt 2 experience a problem or the previous process malfunction, allowing for rapid adjustments. However, simply stacking the electrodes in a pile can cause friction between the upper and lower layers during suction, potentially damaging the electrodes. In this embodiment, the electrode storage mechanism includes two supports 28, a storage block 24, a push-top suction cup 17, a push-top cylinder 19, and a drive structure. Two supports 28 are respectively located on both sides of the transmission space. Each support 28 is equipped with two transmission belts 26. The four belts 26 are symmetrical in pairs and on the same level. Each belt 26 is equipped with a storage block 24. Each storage block 24 extends into the transmission space inside the transport frame 1 and has a positioning groove 29 at one corner near other storage blocks 24. The inner wall of the positioning groove 29 is inclined. The inclined surfaces of the four positioning grooves 29 on the same level form an electrode storage space. The four storage blocks 24 on the four belts 26 and located on the same plane form a group. Multiple groups of storage blocks 24 are arranged along the transmission direction of the belts 26. The push suction cup 17 is located in the transmission space and below the electrode conveyed by the belts 26. It is used to pick up the electrode above. The push cylinder 19 is connected to the push suction cup 17.
[0056] In this embodiment, when the push-top suction cup 17 picks up the electrode sheet above and pushes it upwards between the four belts 26, the drive structure drives the four sets of belts 26 to move synchronously. A set of storage blocks 24 is driven by the belts 26 to move below the electrode sheet on the push-top suction cup 17. Then, the push-top suction cup 17 releases the electrode sheet, which falls into the electrode sheet storage space under the guidance of the inclined surface of the positioning groove 29. The stacking suction cup 10, which moves above the electrode sheet storage mechanism, can pick up the electrode sheet placed at the top of the electrode sheet storage mechanism.
[0057] like Figures 1 to 3As shown, based on the second embodiment, this utility model provides a further specific embodiment as follows: The drive structure includes two mounting frames, two first gears 33, two second gears 25, two pawls 31, two baffles 32, two levers 23, and a crossbar 20. The two mounting frames are connected to the transport frame 1 and are located on the outside of the two supports 28, respectively. A connecting shaft is rotatably provided on the mounting frame. The two first gears 33 are coaxially connected to the rotating shafts located below on the two supports 28, respectively. The two second gears 25 are rotatably connected to the two connecting shafts through two one-way bearings 30, and the second gears 25 and the first gears 33 mesh one-to-one. A pawl 31 is rotatably provided on each mounting frame, and the end of the pawl 31 extends into the teeth of the second gear 25 on the same mounting frame. A baffle is provided on each mounting frame. Plate 32 and baffle 32 are used to prevent the pawl 31 from rotating downwards; two levers 23 are respectively connected to two connecting shafts, and the two levers 23 are mounted on the mounting frame under the action of gravity, with one end of the lever 23 extending out of the mounting frame; the crossbar 20 is connected to the cylinder rod of the push cylinder 19, and the crossbar 20 is located below the push suction cup 17, with push rods 18 at both ends of the crossbar 20; when the two push rods 18 move upwards with the cylinder rod of the push cylinder 19, the two push rods 18 push the two levers 23 to rotate, and the second gear 25 rotates with the connecting shaft under the action of the one-way bearing 30, driving the first gear 33 and belt 26 to move; when the two push rods 18 move downwards with the cylinder rod of the push cylinder 19, the levers 23 rotate in the opposite direction under the action of gravity, and the one-way bearing 30, pawl 31 and baffle 32 cooperate with each other to keep the second gear 25 stationary.
[0058] In this embodiment, each bracket 28 has two rotating shafts rotatably mounted on it, arranged vertically. Each shaft has two pulleys spaced apart. The pulleys on the same side of the bracket 28 are grouped into two pairs, and the pulleys in the same group are connected by a belt 26. A first gear 33 is coaxially mounted on the lower rotating shaft of each bracket 28. The drive structure includes two mounting brackets, located on the outer sides of the two brackets 28 respectively. Each mounting bracket has a connecting shaft rotatably mounted on it. The connecting shaft has a one-way bearing 30 and a second gear 25. The second gear 25 is coaxially connected to the connecting shaft through the one-way bearing 30 and meshes with the first gear 33 on the same side. Each connecting shaft has a lever 23, which rests on the mounting bracket under gravity, with one end of the lever 23 extending out of the mounting bracket. Each mounting bracket has a rotatable pawl 31, the end of which extends into the teeth of the second gear 25 on the same bracket. Each mounting bracket also has a baffle 32 to prevent the pawl 31 from rotating downwards. When an external force pushes the lever 23 upwards, the second gear 25 rotates synchronously with the connecting shaft under the action of the one-way bearing 30, driving the first gear 33 to rotate, thereby driving the belt 26 transmission. Because the pawl 31 is rotatably mounted on the mounting bracket and the baffle 32 is located below the pawl 31, the pawl 31 does not obstruct the rotation of the second gear 25. When the external force is removed, under the action of gravity, the lever 23 rotates in the opposite direction, driving the connecting shaft to rotate in the opposite direction. Under the action of the one-way bearing 30, the connecting shaft can independently reverse without being restricted by the second gear 25. At the same time, because the baffle 32 prevents the pawl 31 from rotating downwards, the pawl 31 inserts into the teeth of the second gear 25, preventing the second gear 25 from rotating in the opposite direction and keeping it stationary. Only the connecting shaft returns to its original position.
[0059] In this embodiment, the crossbar 20 is connected to the cylinder rod of the push cylinder 19. The crossbar 20 is located below the push suction cup 17, and push rods 18 are provided at both ends of the crossbar 20. Therefore, when the push suction cup 17 moves upward with the push cylinder 19 to pick up the electrode, the push rods 18 can simultaneously push the lever 23 to rotate upward, so that the belt 26 follows and picks up the electrode. When the push suction cup 17 moves downward with the push cylinder 19, the connecting shaft automatically returns to its original position.
[0060] like Figure 1 and Figures 4 to 5As shown, based on the second embodiment, this utility model provides a further specific embodiment as follows: The stacking platform includes two fixed platforms 15 and one movable platform 13. The two fixed platforms 15 are adjacent to the first slider and are located on both sides of the movable platform 13. The movable platform 13 and the two fixed platforms 15 can be assembled into a square stacking platform. An obstacle avoidance cylinder 41 is provided on the first slider, which is connected to the movable platform 13 and is used to push the movable platform 13 to move up and down. When the movable platform 13 moves upward to the same plane as the fixed platforms 15, the movable platform 13 and the fixed platforms 15 are assembled into a stacking platform. Along the sliding direction of the first slider, a fourth linear module 3 is provided on the outside of the first linear module 14. The fourth linear module 3 is on the same straight line as the first linear module 14, and a fourth slider is slidably arranged on the fourth linear module 3. An electric turntable 4 is provided on the fourth slider, and a clamping component 9 is provided on the electric turntable 4. The clamping component 9 can clamp the stacked cells on the stacking platform when the movable platform 13 descends. The clamping assembly 9 includes a fixed frame 901, a fixed gripper 904, a movable gripper 903, and a clamping cylinder 902. The fixed frame 901 is mounted on the electric turntable 4, and the fixed gripper 904 is mounted on the fixed frame 901. The fixed gripper 904 has a through hole. The electric turntable 4 also has a clamping cylinder 902. The cylinder rod of the clamping cylinder 902 passes through the through hole and is connected to the movable gripper 903. The clamping cylinder 902 is used to drive the movable gripper 903 to move downward to achieve clamping.
[0061] In this embodiment, after the stacking is completed, the clearance cylinder 41 moves the movable stage 13 downwards. The fourth slider moves toward the stacking stage, so that the fixing claw 904 is inserted above the movable stage 13 and below the stacked battery cell, while the movable claw 903 is positioned above the battery cell. The clamping cylinder 902 drives the movable claw 903 to clamp the battery cell. The pressing and fixing mechanism on the first slider releases the stacked cells and the injected battery cell. Then, the fourth slider moves away from the stacking stage, pulling out the battery cell, allowing the diaphragm to be manually cut.
[0062] In this embodiment, a diaphragm cutting mechanism is also provided, which includes a cutting lifting cylinder 21 and a cutter 22. The cutting lifting cylinder 21 is located above the junction of the first linear module 14 and the fourth linear module 3. The cutting lifting cylinder 21 is connected to the cutter 22. When the fixed gripper 904 and the movable gripper 903 clamp the battery cell and pull the battery cell out from the stacking table, the cutting lifting cylinder 21 moves down and the cutter 22 cuts the diaphragm.
[0063] The above are merely preferred embodiments of the present utility model and are not intended to limit the present utility model. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.
Claims
1. An atomizing liquid injection device, characterized in that, include: The stacking section is provided with a first linear module (14). The first slider of the first linear module (14) is provided with a stacking platform. The stacking platform can slide with the first slider to the first stacking position and the second stacking position. When the stacking platform slides to the first stacking position or the second stacking position, the electrode can be stacked on the diaphragm on the stacking platform. A diaphragm storage mechanism is provided between the first stacking position and the second stacking position. The free end of the diaphragm in the diaphragm storage mechanism is placed on the stacking platform. The first slider is provided with multiple sets of pressing mechanisms. The multiple sets of pressing mechanisms are located on both sides of the stacking platform. The pressing mechanisms are used to press the positive electrode, diaphragm and negative electrode stacked sequentially on the stacking platform. When the stacking platform slides with the first slider between the first stacking position and the second stacking position, it will pull the diaphragm storage mechanism to release the diaphragm so that the diaphragm is stacked on the positive electrode or the negative electrode. Two sets of liquid injection sections are located above the first stacking position and the second stacking position, respectively. Each liquid injection section is equipped with a liquid injection lifting cylinder (7). The cylinder rod of the liquid injection lifting cylinder (7) is connected to a liquid injection tank (11). The liquid injection tank (11) is equipped with a liquid injection mechanism. The liquid injection tank (11) is used to cover the stacking platform that slides to its bottom. The liquid injection mechanism is used to atomize and inject liquid into the positive electrode, the diaphragm, or the negative electrode on the stacking platform.
2. The atomizing liquid injection device as described in claim 1, characterized in that: The clamping mechanism is provided in four sets, and the four sets of clamping mechanisms are symmetrically arranged in pairs on both sides of the stacking platform. The clamping mechanism includes: The second linear module (40) is disposed on the first slider, and the sliding direction of the second slider of the second linear module (40) is perpendicular to the sliding direction of the first slider. A pressing cylinder (12) is provided on the second slider. The cylinder rod of the pressing cylinder (12) is provided with a pressing claw (39). The pressing cylinder (12) is used to push the pressing claw (39) to move up and down. The second slider is used to drive the pressing claw (39) to insert above or away from the stacking table.
3. The atomizing liquid injection device as described in claim 1, characterized in that: The diaphragm storage mechanism includes: Fixture (34); A diaphragm roller (6) is rotatably mounted on the fixed base (34). The diaphragm is wound around the diaphragm roller (6). One end of the diaphragm is fixed on the diaphragm roller (6), and the other end is released freely. Two first clamping rollers (35) are located to the lower left of the diaphragm roller (6) and are rotatably connected to the fixed seat (34). The two first clamping rollers (35) are arranged vertically, and a first gap is provided between the two clamping rollers for the diaphragm to pass through. The first transfer roller (37) is rotatably connected to the fixed base (34), and the first transfer roller (37) is located to the right and below the two first clamping rollers (35); The second transfer roller (36) is rotatably connected to the fixed base (34), and the second transfer roller (36) is located to the lower left of the first transfer roller (37); Two second clamping rollers (38) are rotatably connected to the fixed base (34). The two second clamping rollers (38) are arranged side by side. The two second clamping rollers (38) are located in the middle of the first stack position and the second stack position. A second gap is provided between the two second clamping rollers (38) for the diaphragm to pass through. The free end of the diaphragm passes through the first gap, around the first transfer roller (37), the second transfer roller (36), and through the second gap in sequence, and is then pressed onto the stacking table by the pressing mechanism.
4. The atomizing liquid injection device as described in claim 1, characterized in that: The injection mechanism includes: The injection rack (43) is connected to the injection tank (11) and is located inside the injection tank (11); A slide bar (44) is provided on the liquid injection rack (43); Multiple sliding seats (45) are slidably mounted on the slide rod (44), each sliding seat (45) is provided with an atomizing nozzle (46), and each sliding seat (45) is provided with a rolling wheel (49) on its back. An adjustment frame (50) is provided with a vertical guide groove (47) and a plurality of inclined guide grooves (48). The plurality of inclined guide grooves (48) are divided into two groups. The two groups of inclined guide grooves (48) are located on both sides of the vertical guide groove (47) and are symmetrical about the vertical guide groove (47) as an axis. A rolling wheel (49) is rolled in the vertical guide groove (47) and each of the inclined guide grooves (48). An adjusting cylinder (42) is provided on the liquid injection frame (43) and connected to the adjusting frame (50). The adjusting cylinder (42) is used to push the adjusting frame (50) up and down, thereby driving the sliding seat (45) to move along the sliding rod (44) and adjusting the distance between each atomizing nozzle (46).
5. The atomizing liquid injection device as described in claim 4, characterized in that: Two slide rods (44) are provided, and the two slide rods (44) are arranged in parallel. Each slide rod (44) is provided with multiple sliding seats (45). The adjustment frame (50) is located between the two slide rods (44). The adjustment frame (50) has a U-shaped structure. The two parallel vertical plates of the adjustment frame (50) are provided with vertical guide grooves (47) and multiple oblique guide grooves (48). Each vertical plate is connected to the sliding seat (45) on the same side through the rolling wheel (49).
6. The atomizing liquid injection device as described in claim 1, characterized in that: The atomizing liquid injection device further includes: An electrode transfer section is used to transfer the positive electrode and the negative electrode. The positive electrode and the negative electrode are alternately placed on the electrode transfer section in sequence. The transfer direction of the electrode transfer section is parallel to the movement direction of the stacking stage. Two third linear modules (8), one of which is located above the first stacking position, and the other is located above the second stacking position. A third slider is slidably provided on the third linear module (8), and the sliding direction of the third slider is perpendicular to the moving direction of the stacking platform. The two sets of liquid injection lifting cylinders (7) of the liquid injection section are respectively provided with two third sliders. Two stacking lifting cylinders (5) are respectively set on the two third sliders. The cylinder rod of each stacking lifting cylinder (5) is connected to a stacking suction cup (10). The stacking suction cup (10) is used to pick up the electrode sheet. The stacking lifting cylinder (5) is used to drive the stacking suction cup (10) to move up and down to contact the electrode sheet. The third linear module (8) is used to drive the stacking suction cup (10) to move between the electrode sheet transfer section and the stacking station, so that the stacking suction cup (10) can transport the electrode sheet on the electrode sheet transfer section to the stacking position for stacking.
7. The atomizing liquid injection device as described in claim 6, characterized in that: The electrode transmission unit includes: The transport frame (1) is a hollow structure and has a transmission space inside. Two transport wheels (16) are rotatably connected to the transport frame (1) and are located in the transmission space; Two sets of conveyor belts (2) are located in the transmission space and are both connected to the two conveyor wheels (16) by belt drive. The two sets of conveyor belts (2) are arranged at intervals. Multiple positioning elements (27) are provided. The positioning elements (27) are L-shaped. The positioning elements (27) are in groups of four. Two positioning elements (27) are provided on each conveyor belt (2) in the same group. The positioning elements (27) in the same group are symmetrical in pairs. The corners of the positioning elements (27) in the same group form an electrode placement position for positioning the electrode.
8. The atomizing liquid injection device as described in claim 7, characterized in that: The electrode transfer section further includes two sets of electrode storage mechanisms, which are used to store the positive electrode and the negative electrode, respectively. The two sets of electrode storage mechanisms are connected to the transport frame (1) and are located on the sliding paths of the two third sliders, respectively. The electrode storage mechanism includes: Two supports (28) are provided on the transport frame (1). The two supports (28) are respectively provided on both sides of the transmission space. Two rotating shafts are rotatably provided on each support (28). The two rotating shafts are arranged vertically. Two belt pulleys (26) are spaced apart on each rotating shaft. The belt pulleys (26) on the same side of the support (28) are in a group of two, and the belt pulleys (26) in the same group are connected by belt drive. Storage blocks (24), each belt (26) is provided with multiple storage blocks (24), the multiple storage blocks (24) are spaced apart along the transmission direction of the belt (26), a positioning groove (29) is provided at one corner of the storage block (24), the inner wall of the positioning groove (29) is inclined, four storage blocks (24) on the four belts (26) and located in the same plane are grouped together, the positioning groove (29) on the storage blocks (24) in the same group forms an electrode storage space, the inner wall of the positioning groove (29) is used for corner contact with the electrode, guiding and limiting the electrode; A push-top suction cup (17) is provided in the transmission space and located below the electrode sheet conveyed by the belt (26) for picking up the electrode sheet above. The push cylinder (19) is connected to the push suction cup (17) and is used to push the push suction cup (17) up and down to pick up the electrode and insert the electrode into the four belts (26); A drive structure is used to drive the four belts (26) synchronously, so that the storage blocks (24) in the same group rotate under the electrode extending between the belts (26) and store the electrode in the electrode storage space.
9. The atomizing liquid injection device as described in claim 8, characterized in that: The driving structure includes: Two mounting brackets are connected to the transport frame (1) and are located on the outside of the two supports (28), respectively. A connecting shaft is rotatably provided on the mounting brackets. Two first gears (33) are coaxially connected to the lower rotating shafts on the two brackets (28); Two second gears (25) are rotatably connected to the two connecting shafts via two one-way bearings (30), and the second gears (25) mesh with the first gears (33) in a one-to-one correspondence; Two pawls (31), one of the pawls (31) is rotatably disposed on each of the mounting brackets, and the end of the pawl (31) extends into the teeth of the second gear (25) on the same mounting bracket; Two baffles (32) are provided on each of the mounting brackets, and the baffles (32) are used to prevent the claws (31) from rotating downward; Two levers (23) are respectively connected to two connecting shafts. The two levers (23) are mounted on the mounting frame under the action of gravity, and one end of the lever (23) extends out of the mounting frame. The crossbar (20) is connected to the cylinder rod of the push cylinder (19). The crossbar (20) is located below the push suction cup (17). Both ends of the crossbar (20) are provided with push rods (18). When the two push rods (18) move upward with the cylinder rod of the push cylinder (19), the two push rods (18) push the two levers (23) to rotate. The second gear (25) rotates with the connecting shaft under the action of the one-way bearing (30), driving the first gear (33) and the belt (26) to move. When the two push rods (18) move downward with the cylinder rod of the push cylinder (19), the lever (23) rotates in the opposite direction under the action of gravity. The one-way bearing (30), the pawl (31) and the baffle (32) cooperate with each other to keep the second gear (25) stationary.