WO2023093088A1 - 极片打料装置及极片模切系统 - Google Patents

极片打料装置及极片模切系统 Download PDF

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Publication number
WO2023093088A1
WO2023093088A1 PCT/CN2022/106746 CN2022106746W WO2023093088A1 WO 2023093088 A1 WO2023093088 A1 WO 2023093088A1 CN 2022106746 W CN2022106746 W CN 2022106746W WO 2023093088 A1 WO2023093088 A1 WO 2023093088A1
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WO
WIPO (PCT)
Prior art keywords
pole piece
rod
electrode plate
feeding device
knock
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PCT/CN2022/106746
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English (en)
French (fr)
Inventor
马文豪
张宁宁
李恩光
Original Assignee
蜂巢能源科技股份有限公司
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Application filed by 蜂巢能源科技股份有限公司 filed Critical 蜂巢能源科技股份有限公司
Publication of WO2023093088A1 publication Critical patent/WO2023093088A1/zh

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G47/00—Article or material-handling devices associated with conveyors; Methods employing such devices
    • B65G47/74—Feeding, transfer, or discharging devices of particular kinds or types
    • B65G47/90—Devices for picking-up and depositing articles or materials
    • B65G47/91—Devices for picking-up and depositing articles or materials incorporating pneumatic, e.g. suction, grippers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00—Electrodes
    • H01M4/02—Electrodes composed of, or comprising, active material
    • H01M4/04—Processes of manufacture in general
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries

Definitions

  • the present application relates to the technical field of pole piece production, in particular to a pole piece feeding device.
  • the present application also relates to a pole piece die-cutting system provided with the pole piece feeding device.
  • the manufacturing process of laminated lithium-ion batteries is precise, and there are strict standards for the battery manufacturing process.
  • the positive and negative electrode sheets are used as the positive and negative electrodes of the battery, and strict requirements must be imposed on the appearance and size of the manufacturing process to ensure battery safety. run efficiently.
  • Die-cutting is the process of cutting the pole roll into the pole piece with the size required by the battery. Chips are prone to deformation and material drop, which reduces the production efficiency of die-cutting, increases the amount of scrap in the production process, and then increases the production cost.
  • the cut pole piece is dropped into the pole piece magazine.
  • a die-cutting machine uses a single-arm punching rod. Such a punching rod is easy to deform the pole piece during the high-speed die-cutting process. Make both sides of the concave in the center of the pole piece in the clip upturned. This not only increases the difficulty of lamination in the subsequent process, but also the pole group after lamination is prone to bending deformation and affects product performance. And during high-speed die-cutting, the frequency of the punch rod is too fast, which may easily damage the pole piece.
  • the present application aims to propose a pole piece feeding device to reduce damage to the pole piece.
  • a pole piece feeding device used for knocking down the pole piece transported by the conveying part into the collecting part, characterized in that it includes:
  • the feeding part is guided and slidably arranged on the base, and has a pushing end for pushing the pole piece, and a ventilation cavity connected to an external compressed air source is formed on the pushing end , and an air outlet that communicates with the ventilation cavity, and the feeding part can be driven by an external force to slide, so that the pushing end pushes the pole piece on the conveying part;
  • the elastic part is arranged between the base and the beating part.
  • the pushing end is in the shape of a strip extending along the conveying direction of the conveying part, and the air outlets are arranged in multiples at intervals along the length direction of the pushing end.
  • an elastic pad is provided on the pushing end, and the elastic pad is set corresponding to the partial hollow of the air outlet, and the pushing end pushes the pole piece through the elastic pad.
  • the conveying part includes three negative pressure conveyor belts arranged at intervals, and the pole pieces are conveyed by the three negative pressure conveyor belts;
  • the material beating part is provided between any two adjacent negative pressure conveyor belts, and multiple material beating parts are driven by the same external force.
  • the knockout part includes the pushing end, and at least one knockout rod provided on the pushing end;
  • the knockout part is slidably provided on the base through the guidance of the knockout rod, and the elastic part is a spring sheathed on the knockout rod.
  • the length of the knockout rod is adjustable.
  • the punching rod includes a first rod body, a second rod body, and a connecting cylinder connected between the first rod body and the second rod body;
  • the respective ends of the first rod body and the second rod body oppositely arranged are provided with external threads in opposite directions, and the two ends of the connecting cylinder are respectively provided with Matched internal thread.
  • it also includes a driving part arranged on the base, and a transmission part that is transmission connected between the driving part and the material beating part, and the material beating part is driven by the driving part to slide , to push the pole pieces.
  • the driving part is a motor provided on the base;
  • the transmission part includes an eccentric wheel arranged at the power output end of the motor, and a connecting rod hinged between the eccentric wheel and the material beating part.
  • the pole piece feeding device described in the present application forms a ventilation cavity and an air outlet on the pushing end of the feeding part for pushing the pole piece, so that compressed air can be ejected through the air outlet to form an air cushion Offset the negative pressure between the conveying part and the pole piece to reduce the damage to the pole piece; at the same time, there is an elastic part between the base and the feeding part to facilitate the reset of the feeding part and ensure that the feeding rod slides up and down.
  • the overall stability reduces the vibration in the horizontal direction to avoid damage to the pole piece.
  • An elastic pad is provided on the pushing end to push the pole piece, so as to avoid damage to the pole piece during the feeding process.
  • the pole piece is conveyed by the negative pressure conveyor belt, and there is a beating part between two adjacent negative pressure conveyor belts, which can break the two sides of the pole piece and the negative pressure conveyor belt from the side during the material beating process.
  • the vacuum state between the two avoids the warping of both sides of the pole piece.
  • the structure is simple and easy to design and install.
  • the length of the punching rod can be adjusted to suit different types of die-cut pole pieces, to improve the punching effect and to increase the versatility of the punching rod.
  • the first beating rod, the second beating rod and the connecting cylinder in the beating part are in the form of screw connection, which is convenient for installation and disassembly.
  • the driving part is set as a motor, and the transmission part is set as an eccentric wheel structure, which is simple in structure and convenient for installation and implementation.
  • Another object of the present application is to propose a die-cutting system for pole pieces, which includes a die-cutting machine, a conveying part for conveying die-cut pole pieces, and the above-mentioned pole piece above the conveying part. Sheet feeding device.
  • the pole piece die-cutting system of the present application and the pole piece feeding device have the same beneficial effects, and will not be repeated here.
  • Fig. 1 is a schematic diagram of the structure of the pole piece feeding device described in the embodiment of the present application
  • Fig. 2 is the schematic diagram of the structure of the punching part described in the embodiment of the present application.
  • Fig. 3 is a schematic diagram of the internal structure of the pushing end described in the embodiment of the present application.
  • Beating part 21. Beating rod; 211. First rod body; 212. Connecting cylinder; 213. Second rod body; 214. Frame body; 22. Pushing end; 221. Ventilation cavity; 223. Air outlet;
  • orientations or positional relationships indicated by the terms “upper”, “lower”, “inner”, “outer”, etc. are based on the orientation or positional relationships shown in the drawings, and are only for It is convenient to describe the application and simplify the description, but not to indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and thus should not be construed as limiting the application.
  • first and second are only used for descriptive purposes, and should not be understood as indicating or implying relative importance.
  • connection in the description of the present application, unless otherwise clearly defined, the terms “installation”, “connection”, “connection” and “connector” should be interpreted broadly. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediary; connected. Those of ordinary skill in the art can understand the specific meanings of the above terms in this application in combination with specific situations.
  • This embodiment relates to a pole piece feeding device, which is used to drop the pole piece conveyed by the conveying part into the collecting part, including: a base 1, a material feeding part 2 and an elastic part, and the material feeding part 2 guides and slides on the base On the seat 1, it has a push end 22 for pushing the pole piece, and the push end 22 is formed with a vent chamber 221 connected to an external compressed air source, and an air outlet 223 communicated with the vent chamber 221, for feeding
  • the part 2 can be driven by an external force to slide, so that the push end 22 pushes the pole piece on the conveying part; the elastic part is arranged between the base 1 and the beating part 2, so as to drive the beating part 2 to return after sliding .
  • a ventilation cavity 221 and an air outlet 223 are formed on the pushing end 22 for pushing the pole piece on the feeding part 2, so that compressed air can be ejected through the air outlet 223 to form an air cushion.
  • a ventilation cavity 221 and an air outlet 223 are formed on the pushing end 22 for pushing the pole piece on the feeding part 2, so that compressed air can be ejected through the air outlet 223 to form an air cushion.
  • the above-mentioned conveying part for conveying the pole piece specifically includes three negative pressure conveyor belts 4 arranged at intervals, and the pole piece is composed of three negative pressure conveyor belts. 4 conveying, the pole piece is adsorbed on the bottom of the negative pressure conveyor belt 4, and any two adjacent negative pressure conveyor belts 4 are provided with a feeding part 2, and the two feeding parts 2 are driven by the same external force.
  • the feeding part 2 can break the vacuum between the pole piece and the negative pressure conveyor belt 4 from the side of the pole piece, which can effectively avoid During the feeding process, the two sides of the pole piece are warped, which affects the structure and use effect of the pole piece.
  • the device also includes a driving part provided on the base 1 for providing power for the beating rod 21, and a transmission connection between the driving part and the beating part 2
  • the transmission part 6 and the material feeding part 2 are driven by the driving part to slide to push the pole piece.
  • the driving part is the motor 5 arranged on the vertical side of the base 1
  • the transmission part 6 includes an eccentric wheel 61 arranged at the output end of the motor 5, and a connection between the eccentric wheel 61 and the beating rod 21. Between the connecting rod 62.
  • the punching part 2 includes the above-mentioned pushing end 22 for pushing the pole piece, and two punching rods 21 arranged on the pushing end 22 , the entire knockout part 2 is slidably arranged on the horizontal side plate of the base 1 through the guide of the knockout rod 21 .
  • the top of the punching part 2 is provided with a rectangular frame body 214 with a structure in which a through groove is formed in the middle part.
  • the punching rod 21 is hinged with the connecting rod 62 through the frame body 214.
  • the upper end of the frame body 214 is hinged with the connecting rod 62, and the middle part forms a
  • the through groove in the middle position can pass through the above-mentioned negative pressure conveyor belt 4, and its bottom end is connected with the top of the punching rod 21, so that the driving force of the motor 5 can be transmitted to the punching rod 21, so as to realize the pushing pole film process.
  • the punching rod 21 includes a first rod body 211, a second rod body 213, and a connecting cylinder 212 connected between the first rod body 211 and the second rod body 213.
  • the above-mentioned pushing end 22 It is arranged at the bottom end of the second rod body 213, and the opposite ends of the first rod body 211 and the second rod body 213 are provided with opposite external threads (not shown in the figure), and connected to the connecting cylinder 212
  • the two ends are respectively provided with internal threads (not shown) adapted to the first rod body 211 and the second rod body 213 to connect the first rod body 211 and the second rod body 213 together.
  • the overall length of the punching rod 21 is adjustable.
  • the connecting cylinder 212 By rotating the connecting cylinder 212, the corresponding first rod body 211 and the second rod body 212 can move closer or farther away with the rotation of the connecting cylinder 212, thereby realizing the fine adjustment of the overall length of the punching rod 21 to adapt to different types of pole pieces. Cut the material, improve the versatility of the material rod 21.
  • the push end 22 connected to the bottom end of the second rod body 213 is a long strip extending along the conveying direction of the above-mentioned conveying part.
  • the specific structure is shown in FIG. 3.
  • the push end 22 is hollow inside and forms an external compressed air source.
  • a connecting pipe 222 connected to an external compressed air source is provided between the two punching rods 21 on the push end 22 , and the connecting pipe 222 communicates with the vent chamber 221 .
  • a plurality of air outlets 223 are arranged at intervals along the length direction of the bottom end of the pushing end 22, and the compressed air in the vent chamber 221 breaks the vacuum between the pole piece and the conveying part through the air outlet 223, thereby completing the pole piece. Feeding process.
  • an elastic pad (not shown in the figure) is provided at the bottom of the pushing end 22, corresponding to the air outlet 223, the elastic pad is partially hollowed out, and the pushing end 22 passes through The elastic pad pushes the pole piece.
  • the elastic pad can adopt a structure with elastic properties such as a rubber pad, and the elastic pad 23 is not further limited here, and can be set according to actual conditions.
  • the above-mentioned elastic member is specifically set as a spring 3 sleeved on the punching rod 21 . Its structure is simple and easy to install. Of course, elastic structures such as extension springs can also be used to ensure the stability of the up and down movement of the punching rod 21 and avoid the left and right shaking of the punching rod 21 .
  • the conveying part When the pole piece feeding device of this embodiment is in operation, the conveying part first sends the pole piece to be processed under the push end 22, and drives the rotation of the eccentric wheel 61 through the motor 5, and the eccentric wheel 61 transmits power to the punching machine through the connecting rod 62.
  • the pole piece feeding device of this embodiment by forming a ventilation chamber 221 and an air outlet 223 on the push end 22, is convenient for compressed air to be ejected from the air outlet 223 to form an air cushion to offset the negative pressure between the conveyor belt 4 and the pole piece. Negative pressure reduces damage to the pole piece; at the same time, a spring 3 is provided between the base 1 and the punching rod 21 to ensure the overall stability when the punching rod 21 slides up and down, and reduce the vibration in the horizontal direction to avoid damage to the pole piece. piece.
  • the pole piece is adsorbed on the bottom of the negative pressure conveyor belt 4, and there is a punching part 2 between any two adjacent negative pressure conveyor belts 4, so that the punching part 2 breaks the pole piece from the side of the pole piece.
  • the vacuum between the sheet and the negative pressure conveyor belt 4 can effectively avoid the warping of both sides of the electrode sheet during the feeding process, which will affect the structure and use effect of the electrode sheet.
  • This embodiment relates to a pole piece die-cutting system, which includes a die-cutting machine, and also includes a conveying part for conveying the die-cut pole piece, and the pole piece described in Embodiment 1 above the conveying part Feeding device.
  • the pole piece die-cutting system of the present embodiment is provided with the pole piece feeding device as in the first embodiment, which can increase the cutting speed and reduce the damage to the pole piece, speed up the die-cutting speed, and improve the production efficiency.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
  • Attitude Control For Articles On Conveyors (AREA)

Abstract

本申请提供了一种极片打料装置及极片模切系统，以将由输送部输送的极片打落至收集部内，包括：基座和打料部，打料部导向滑动设于基座上，并具有用于顶推极片的顶推端，且顶推端上形成有与外部压缩气源连接的通气腔，以及出气口，打料部能够承接外力驱使而滑动，以使顶推端顶推极片；弹性部设于基座和打料部之间。本申请的极片打料装置，通过在顶推端上形成通气腔以及出气口，便于压缩空气通过出气口喷出形成空气垫抵消输送部与极片之间的负压，并减小对极片的损伤；同时在基座和打料部之间设有弹性部，以便于打料部的复位，保证打料杆上下滑动时整体的稳定，减少水平方向的抖动，以避免损伤极片。

Description

极片打料装置及极片模切系统
本申请要求在2021年11月29日提交中国专利局、申请号为202122958584.1、发明名称为“极片打料装置及极片模切系统”的中国专利申请的优先权，其全部内容通过引用结合在本申请中。
技术领域
本申请涉及极片生产技术领域，特别涉及一种极片打料装置。本申请还涉及一种具有该极片打料装置的极片模切系统。
背景技术
叠片式锂离子电池制作工艺精密，对电池制成过程有严格的标准，其中正负电极片作为电池的正负极，需要对其制成过程的外观、尺寸进行严格要求以保证电池安全、高效运行。
模切是将极卷切成具有电池要求的尺寸的极片的工序，在模切过程中，由于正负极片较高的压实密度以及极片箔材本身性质，在模切过程中极片易产生变形、掉料，从而降低了模切生产效率，增加了生产过程报废量继而增加了生产成本。
在模切工序中最后是将切好的极片打落入极片弹夹中，一般模切机采用单臂打料杆，这样的打料杆在高速模切过程中容易使极片变形，使弹夹中极片中部内凹两侧上翘。这不但增加了后工序叠片的难度，而且叠片后的极组易产生弯曲变形影响产品性能。并且高速模切时，打料杆频率过快容易出现碰伤极片的现象。
发明内容
有鉴于此，本申请旨在提出一种极片打料装置，以降低对极片损伤。
为达到上述目的，本申请的技术方案是这样实现的：
一种极片打料装置，用于将由输送部输送的极片打落至收集部内，其特征在于，包括：
基座；
打料部，所述打料部导向滑动设于所述基座上，并具有用于顶推极片的顶推端，且所述顶推端上形成有与外部压缩气源连接的通气腔，以及与所述通气腔连通的出气口，所述打料部能够承接外力驱使而滑动，以使所述顶推端顶推所述输送部上的极片；
弹性部，设于所述基座和所述打料部之间。
进一步的，所述顶推端为沿所述输送部的输送方向延伸的长条形，所述出气口为沿所述顶推端的长度方向间隔设置的多个。
进一步的，所述顶推端上设有弹性垫，所述弹性垫对应于所述出气口的部分镂空设 置，所述顶推端通过所述弹性垫顶推所述极片。
进一步的，所述输送部包括间隔设置的三条负压输送带，所述极片由三条所述负压输送带输送；
任意相邻两条所述负压输送带之间均设有所述打料部，多个所述打料部承接同一所述外力驱使。
进一步的，所述打料部包括所述顶推端，以及设于所述顶推端上的至少一个打料杆；
所述打料部通过所述打料杆的导向而可滑动地设于所述基座上，所述弹性部为套设于所述打料杆上的弹簧。
进一步的，所述打料杆的长度可调。
进一步的，所述打料杆包括第一杆体、第二杆体，以及连接于所述第一杆体和所述第二杆体之间的连接筒；
所述第一杆体和所述第二杆体相对布置的各自的端部设有旋向相反的外螺纹，所述连接筒的两端分别设有与所述第一杆体和所述第二杆体适配的内螺纹。
进一步的，还包括设于所述基座上的驱动部，以及传动连接于所述驱动部和所述打料部之间的传动部，所述打料部承接所述驱动部的驱使而滑动，以顶推所述极片。
进一步的，所述驱动部为设于所述基座上的电机；
所述传动部包括设于所述电机动力输出端的偏心轮，以及铰接于所述偏心轮与所述打料部之间的连杆。
相对于现有技术，本申请具有以下优势：
(1)本申请所述的极片打料装置，通过在打料部的用于顶推极片的顶推端上形成通气腔以及出气口，可使得压缩空气通过出气口喷出形成空气垫抵消输送部与极片之间的负压，减小对极片的损伤；同时在基座和打料部之间设有弹性部，以便于打料部的复位，保证打料杆上下滑动时整体的稳定，减少水平方向的抖动，以避免损伤极片。
(2)通过在顶推端设有多个出气口，提高打破极片与输送部之间真空的效率。
(3)通过在顶推端上设有弹性垫，用于顶推极片，以避免打料过程中对极片造成的损伤。
(4)通过负压输送带输送极片，且在相邻的两个负压输送带之间均设有打料部，可在打料过程中从侧部打破极片与负压输送带两者之间的真空状态，避免极片两侧的翘起。
(5)通过将弹性部设置为弹簧，其结构简单，便于设计安装。
(6)打料杆的长度可调，以适用不同型号的模切极片，改善打料效果，提高打料杆的通用性。
(7)打料部中的第一打料杆、第二打料杆以及连接筒之间采用螺接的形式，便于安装和拆卸。
(8)驱动部设置为电机，且传动部设置为偏心轮结构，结构简单便于设置实施。
本申请的另一目的在于提出一种极片模切系统，包括模切机，还包括用于输送模切后的极片的输送部，以及设于所述输送部上方的如上所述的极片打料装置。
本申请的极片模切系统与极片打料装置相比于现有技术的有益效果相同，在此不再赘述。
附图说明
构成本申请的一部分的附图用来提供对本申请的进一步理解，本申请的示意性实施例及其说明用于解释本申请，并不构成对本申请的不当限定。在附图中：
图1为本申请实施例所述的极片打料装置结构的示意图；
图2为本申请实施例所述的打料部结构的示意图；
图3为本申请实施例所述的顶推端内部结构的示意图。
附图标记说明：
1、基座；
2、打料部；21、打料杆；211、第一杆体；212、连接筒；213、第二杆体；214、框体；22、顶推端；221、通气腔；222、连接管；223、出气口；
3、弹簧；
4、负压输送带；
5、电机；
6、传动部；61、偏心轮；62、连杆。
具体实施方式
需要说明的是，在不冲突的情况下，本申请中的实施例及实施例中的特征可以相互组合。
在本申请的描述中，需要说明的是，术语“上”、“下”、“内”、“外”等指示的方位或位置关系为基于附图所示的方位或位置关系，仅是为了便于描述本申请和简化描述，而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作，因此不能理解为对本申请的限制。另外，术语“第一”、“第二”仅用于描述目的，而不能理解为指示或暗示相对重要性。
此外，在本申请的描述中，除非另有明确的限定，术语“安装”、“相连”、“连接”、“连接件”应做广义理解。例如，可以是固定连接，也可以是可拆卸连接，或一体地连接；可以是机械连接，也可以是电连接；可以是直接相连，也可以通过中间媒介间接相连，可以是两个元件内部的连通。对于本领域的普通技术人员而言，可以结合具体情况理解上述术语在本申请中的具体含义。
下面将参考附图并结合实施例来详细说明本申请。
实施例一
本实施例涉及一种极片打料装置，用于将由输送部输送的极片打落至收集部内，包括：基座1、打料部2和弹性部，打料部2导向滑动设于基座1上，并具有用于顶推极 片的顶推端22，且顶推端22上形成有与外部压缩气源连接的通气腔221，以及与通气腔221连通的出气口223，打料部2能够承接外力驱使而滑动，以使顶推端22顶推输送部上的极片；弹性部设于基座1和打料部2之间，以驱使滑动后的打料部2回位。
本实施例的极片打料装置，通过在打料部2上用于顶推极片的顶推端22上形成通气腔221以及出气口223，便于压缩空气通过出气口223喷出形成空气垫抵消输送部与极片之间的负压，并减小对极片的损伤；同时在基座1和打料部2之间设有弹性部，以便于打料部2的复位，保证打料杆上下滑动时整体的稳定，减少水平方向的抖动，以避免损伤极片。
基于上述的整体结构，本实施例的极片打料装置的一种示例性结构如图1所示，基座1的结构设置为L形的板状结构，其中水平的一侧用于设置上述的打料部2。另外，为进一步提高装置的打料效果，如图1中所示，上述用于输送极片的输送部具体的包括间隔设置的三条负压输送带4，极片由三条所述负压输送带4输送，极片吸附在负压输送带4的底部，并且任意相邻的两条负压输送带4之间均设有打料部2，两个打料部2承接于同一外力驱使。从如此设置可使得打料部2可从极片的侧部，打破极片与负压输送带4之间的真空，相对于现有技术中的从极片的中部打料，可有效的避免在打料过程中造成极片两侧的翘起，影响极片的结构以及使用效果。
本实施例中，仍由图1所示，该装置中还包括用于为打料杆21提供动力的设于基座1上的驱动部，以及传动连接于驱动部和打料部2之间的传动部6，打料部2承接驱动部的驱使而滑动，以顶推极片。作为一种可选的实施方式，驱动部为设于基座1垂直侧的电机5，而传动部6包括设于电机5输出端的偏心轮61，以及铰接于偏心轮61与打料杆21之间的连杆62。
其中，作为一种可选的实施方式，如图2所示，打料部2包括用于顶推极片的上述顶推端22，以及设于顶推端22上的两个打料杆21，整个打料部2通过打料杆21的导向而可滑动地设于基座1的水平侧板上。该打料部2顶部设置有结构为中部形成有通槽的矩形框体214，打料杆21通过框体214与连杆62铰接，具体的框体214的上端与连杆62铰接，中部形成的通槽可供位于中间位置的上述负压输送带4穿过，其底端与打料杆21的顶端连接，从而可将电机5的驱动力传到打料杆21，以实现顶推极片的过程。
此外，仍参照图2中的结构，打料杆21包括第一杆体211、第二杆体213，以及连接于第一杆体211和第二杆体213之间的连接筒212，上述的顶推端22设于第二杆体213的底端，并于第一杆体211和第二杆体213相对布置的各自的端部设有旋向相反的外螺纹(图中未示出)，并于连接筒212的两端分别设有于第一杆体211和第二杆体213适配的内螺纹(图中未示出)，用以将第一杆体211和第二杆体213连接到一起。
通过将在第一杆体211和第二杆体213上相对布置的各自的端部设置旋向相反的螺纹，而且，第一杆体211、第二杆体213以及连接筒212之间采用螺纹连接，可实现打料杆21整体长度的可调。通过转动连接筒212，对应的第一杆体211和第二杆体212 可随着连接筒212的转动向靠近或者远离，从而实现打料杆21整体长度的微调，以适应不同型号的极片的模切打料，提高打料杆21的通用性。
连接在第二杆体213底端的顶推端22为沿上述的输送部的输送方向延伸的长条形，具体结构参照图3中所示，顶推端22的内部中空且形成有外部压缩气源连接的通气腔221，在顶推端22上位于两个打料杆21之间设有与外部压缩气源连接的连接管222，该连接管222与通气腔221连通。而且，于顶推端22的底端沿其长度方向间隔设置多个出气口223，通气腔221内的压缩空气通过该出气口223打破极片与输送部之间的真空，从而完成极片的打料过程。
为避免在打料过程中对极片造成损伤，在顶推端22的底部设有弹性垫(图中未示出)，对应于出气口223，该弹性垫部分镂空设置，顶推端22通过弹性垫顶推极片。本实施例中，弹性垫可采用橡胶垫等具有弹性性质的结构，在此对弹性垫23不做进一步的限定，可依据实际情况设置。
此外，由图1所示，为保证打料杆21平稳的进行上下移动，上述的弹性件具体的设置为套设于打料杆21上的弹簧3。其结构简单，便于安装。当然，还可采用拉簧等弹性结构，以保证打料杆21上下移动的平稳性，避免打料杆21的左右晃动。
本实施例的极片打料装置运作时，首先输送部将需要处理的极片送到顶推端22下方，通过电机5驱动偏心轮61的转动，偏心轮61通过连杆62将动力传到打料杆21，同时弹簧3被压缩，打料杆21和顶推端22对极片完成打料后，打料杆21在弹簧3和偏心轮61的共同作用下回到原位，准备下次的顶推打料过程。
本实施例的极片打料装置，通过在顶推端22上形成通气腔221以及出气口223，便于压缩空气从出气口223喷出形成空气垫抵消负压输送带4与极片之间的负压，减小对极片的损伤；同时在基座1和打料杆21之间设有弹簧3，保证打料杆21上下滑动时整体的稳定，减少水平方向的抖动，以避免损伤极片。另外，极片吸附在负压输送带4的底部，并且任意相邻的两条负压输送带4之间均设有打料部2，从而实现打料部2从极片的侧部打破极片与负压输送带4之间的真空，可有效的避免在打料过程中造成极片两侧的翘起，影响极片的结构以及使用效果。
实施例二
本实施例涉及一种极片模切系统，包括模切机，还包括用于输送模切后的极片的输送部，以及设于所述输送部上方的实施例一中所述的极片打料装置。
本实施例的极片模切系统，通过设置有如实施例一中的极片打料装置，可以提高打料速度并且降低对极片损伤，加快模切速度，提高生产效率。
以上所述仅为本申请的较佳实施例而已，并不用以限制本申请，凡在本申请的精神和原则之内，所作的任何修改、等同替换、改进等，均应包含在本申请的保护范围之内。

Claims (10)

  1. 一种极片打料装置，用于将由输送部输送的极片打落至收集部内，其特征在于，包括：
    基座(1)；
    打料部(2)，所述打料部(2)导向滑动设于所述基座(1)上，并具有用于顶推极片的顶推端(22)，且所述顶推端(22)上形成有与外部压缩气源连接的通气腔(221)，以及与所述通气腔(221)连通的出气口(223)，所述打料部(2)能够承接外力驱使而滑动，以使所述顶推端(22)顶推所述输送部上的极片；
    弹性部，设于所述基座(1)和所述打料部(2)之间。
  2. 根据权利要求1所述的极片打料装置，其特征在于：
    所述顶推端(22)为沿所述输送部的输送方向延伸的长条形，所述出气口(223)为沿所述顶推端(22)的长度方向间隔设置的多个。
  3. 根据权利要求1所述的极片打料装置，其特征在于：
    所述顶推端(22)上设有弹性垫，所述弹性垫对应于所述出气口(223)的部分镂空设置，所述顶推端(22)通过所述弹性垫顶推所述极片。
  4. 根据权利要求1所述的极片打料装置，其特征在于：
    所述输送部包括间隔设置的三条负压输送带(4)，所述极片由三条所述负压输送带(4)输送；
    任意相邻两条所述负压输送带(4)之间均设有所述打料部(2)，多个所述打料部(2)承接同一所述外力驱使。
  5. 根据权利要求1所述的极片打料装置，其特征在于：
    所述打料部(2)包括所述顶推端(22)，以及设于所述顶推端(22)上的至少一个打料杆(21)；
    所述打料部(2)通过所述打料杆(21)的导向而可滑动地设于所述基座(1)上，所述弹性部为套设于所述打料杆(21)上的弹簧(3)。
  6. 根据权利要求5所述的极片打料装置，其特征在于：
    所述打料杆(21)的长度可调。
  7. 根据权利要求6所述的极片打料装置，其特征在于：
    所述打料杆(21)包括第一杆体(211)、第二杆体(213)，以及连接于所述第一杆 体(211)和所述第二杆体(213)之间的连接筒(212)；
    所述第一杆体(211)和所述第二杆体(213)相对布置的各自的端部设有旋向相反的外螺纹，所述连接筒(212)的两端分别设有与所述第一杆体(211)和所述第二杆体(213)适配的内螺纹。
  8. 根据权利要求1至7中任一项所述的极片打料装置，其特征在于：
    还包括设于所述基座(1)上的驱动部，以及传动连接于所述驱动部和所述打料部(2)之间的传动部(6)，所述打料部(2)承接所述驱动部的驱使而滑动，以顶推所述极片。
  9. 根据权利要求8所述的极片打料装置，其特征在于：
    所述驱动部为设于所述基座(1)上的电机(5)；
    所述传动部(6)包括设于所述电机(5)动力输出端的偏心轮(61)，以及铰接于所述偏心轮(61)与所述打料部(2)之间的连杆(62)。
  10. 一种极片模切系统，包括模切机，其特征在于：还包括用于输送模切后的极片的输送部，以及设于所述输送部上方的权利要求1至9中任一项所述的极片打料装置。
PCT/CN2022/106746 2021-11-29 2022-07-20 极片打料装置及极片模切系统 WO2023093088A1 (zh)

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