CN115335200A - 电极切割装置 - Google Patents
电极切割装置 Download PDFInfo
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- CN115335200A CN115335200A CN202180022604.4A CN202180022604A CN115335200A CN 115335200 A CN115335200 A CN 115335200A CN 202180022604 A CN202180022604 A CN 202180022604A CN 115335200 A CN115335200 A CN 115335200A
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- B26D1/04—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a linearly-movable cutting member
- B26D1/06—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a linearly-movable cutting member wherein the cutting member reciprocates
- B26D1/08—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a linearly-movable cutting member wherein the cutting member reciprocates of the guillotine type
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- B26D1/01—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B—PERFORMING OPERATIONS; TRANSPORTING
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Abstract
本技术涉及一种用于切割电池的电极的设备,并且所述设备包括:一体式切割盒模块,包括上刀和下刀;和安装所述一体式切割盒模块的支架。在此,所述一体式切割盒模块包括模块框架和上刀保持单元,所述上刀保持单元固定和支撑所述上刀并且以可垂直滑动的方式支撑在所述模块框架上,并且所述下刀耦接至所述模块框架的下部以面向所述上刀。本发明的电极切割设备的组装工作非常简单。此外,由于上刀和下刀安装在模块盒处,因此可以预先定量地调整上刀和下刀的间隙和直线度。
Description
技术领域
本申请要求基于2020年11月13日提交的韩国专利申请第10-2020-0151943号的优先权的权益,通过引用将该韩国专利申请的全部内容结合在此。
本发明涉及一种用于切割电极的设备,且更具体地,涉及一种包括一体式切割盒模块来切割电极的设备,所述一体式切割盒模块包括上刀和下刀。
背景技术
随着对移动装置的技术开发和需求的增加,对二次电池的需求也在迅速增加。其中,锂二次电池因其高能量密度和高工作电压以及优异的存储和寿命特性而被广泛用作各种电子产品以及各种移动装置的能源。
这些二次电池中使用的电极分为正极和负极,用于将电池电连接至电池的外部。为了使用合适尺寸的正极和负极的电极材料,需要对电极进行切割。
图1是示出传统电极切割设备的透视图。
如图所示,制造电极切割设备需要多次组装工作。
具体而言,至少需要8次组装作业,其中包括:下刀①与下刀块②的结合作业、下刀块②与下刀框架③的结合作业、下刀框架③与主框架④的结合作业、导向装置⑤与主框架④的结合作业、上刀块⑥与主框架④的结合作业、直线轴承⑦与上刀块⑥的结合作业、上刀保持器⑧与上刀块⑥的结合作业、和上刀⑨与上刀保持器⑧的结合作业。
同样地,在传统切割设备中,上刀和下刀在切割设备中单独或独立地组装,因此,如图1的箭头所示,按照组装顺序或方向的力分别以不同方向施加至上刀和下刀。将上刀和下刀之间的间隙和垂直度(直线度)控制在电极切割设备的公差范围内对切割质量的影响最大。然而,在如图1的组装结构中那样分别对上刀和下刀施加力的结构中,将间隙和垂直度调整到公差范围内几乎是不可能的。
因此,传统地,为了调整上刀与下刀之间的垂直度,有时会采用调整上刀斜度的方案。图2示出了另一种传统切割设备的上刀的斜度调节器。
在图2中,当上刀1与下刀2之间的垂直度超出公差范围时,可以通过调整安装在上刀组件块的背面处的无头螺栓以向上刀1的左侧施加力来调整上刀的斜度。
然而,在切割设备运行过程中调整上刀的斜度会因非运行损失而降低生产率。此外,即使用无头螺栓施加侧压力,也很难在预设的生产现场微调上刀的斜度,并且由于基于施加侧压力的点的轴产生悬臂式力矩,上刀1可能会弯曲,如图2的放大图所示。
这可以理解为是由于如图1所示上刀1和下刀2独立地耦接至每个单独的框架并且分别施加力的情况的限制,并且通过如图2所示的斜度的定性调整难以防止上刀的刀片的卷曲和扭转。
因此,需要一种能够在简单地进行组装的同时定量地确保上刀和下刀的间隙和直线度的技术。
发明内容
【技术问题】
本发明旨在解决上述问题中的至少一些问题。例如,本发明的一个方面提供一种在允许简单和容易的组装的同时确保上刀和下刀的间隙和直线度的电极切割设备。
【技术方案】
一种解决上述问题的用于切割电极的设备,包括:一体式切割盒模块,包括上刀和下刀;和
安装所述一体式切割盒模块的支架。
在此,所述一体式切割盒模块包括模块框架和上刀保持单元,所述上刀保持单元固定和支撑上刀并以可垂直滑动的方式支撑在所述模块框架上,并且
下刀耦接至所述模块框架的下部以面向上刀。
在一个示例中,所述支架包括插入通道,并且所述一体式切割盒模块通过所述插入通道插入到所述支架中。
优选地,所述支架可包括插入引导件,所述插入引导件引导所述一体式切割盒模块的插入。
此外,所述一体式切割盒模块的后表面可以通过耦接构件耦接至所述支架的面向所述后表面的表面。
此外,在一个具体示例中,所述支架包括驱动单元,并且所述上刀保持单元连接至所述支架的上部,并通过所述驱动单元在所述模块框架上垂直移动。
更具体地,柄单元耦接至所述上刀保持单元的上部,通过所述驱动单元可垂直移动的柄块安装在所述支架的上部,所述柄单元耦接至所述柄块,并且所述上刀保持单元通过所述柄块的移动而垂直移动。
此外,在一个示例中,所述柄单元包括柄和柄轴,并且在所述模块框架的上部上形成通道孔,所述柄单元的柄和柄轴穿过所述通道孔。
在所述模块框架的上部上形成通道孔,所述柄单元的柄和柄轴穿过所述通道孔。
在另一示例中,所述上刀保持单元通过交叉滚柱引导件可滑动地支撑在模块框架的侧部上。
具体地,所述交叉滚柱引导件包括安装在所述模块框架处的第一导轨和安装在所述上刀保持单元处的第二导轨。
更具体地,所述上刀保持单元与所述模块框架之间安装有两对交叉滚柱引导件,每对的第一导轨沿宽度方向布置在所述模块框架的外侧,并且每对的第二导轨沿宽度方向布置在所述模块框架的内侧。
在又一示例中,所述上刀保持单元通过引导主控件可滑动地支撑在所述模块框架上。
在本发明的又一示例中,所述上刀形成为锥形部,其中所述上刀的下端的刀片在纵向上朝向所述上刀的中心向上倾斜。
此外,所述锥形部由具有不同倾斜角度的多级锥形部形成,并且所述多级锥形部的倾斜角在纵向上朝向所述上刀的中心逐渐减小。
在又一示例中,将电极与上刀分离的剥离器安装在上刀与下刀之间的电极流入路径上。
【有益效果】
本发明的电极切割设备的组装工作非常简单。此外,由于上刀和下刀安装在模块盒处,因此可以预先定量地调整上刀和下刀的间隙和直线度。
因此,可以防止在设备的运行期间产生非运行损失并防止电极的脱离。
附图说明
图1是示出传统电极切割设备的透视图。
图2示出了传统切割设备的上刀的斜度调节器。
图3是作为本发明的实施方式的电极切割设备的主要部分的一体式切割盒模块的透视图。
图4是示出根据本发明的一个实施方式的电极切割设备组装之前的状态的透视图。
图5是示出根据本发明的一个实施方式的电极切割设备组装期间的状态的透视图。
图6是示出根据本发明的一个实施方式的电极切割设备组装完成后的状态的透视图。
图7是根据本发明的一个实施方式的支架和一体式切割盒模块的后视图。
图8示出了根据本发明的另一实施方式的电极切割设备的侧视图,以及该设备的中心部分被切开的透视图。
图9是本发明的另一实施方式的透视图。
图10是示出应用于本发明的另一实施方式的上刀的形式的示意图。
具体实施方式
在下文中,将参照附图和各种实施方式详细地描述本发明的详细配置。以下描述的实施方式是示例性的,以帮助理解本发明,并且为了帮助理解本发明,附图未按实际比例示出,并且一些部件的尺寸可能被夸大。
由于本发明构思允许各种变化和众多实施方式,因此将在附图中示出特定实施方式并在正文中详细描述。然而,这并不旨在将本发明限制于所公开的特定形式,并且应当理解为包括在本发明的精神和范围内的所有变化、等同物和替代物。
本发明的用于切割电极的设备的特征在于包括一体式切割盒模块,所述一体式切割盒模块包含上刀和下刀。在传统技术中,由于上刀和下刀连接至独立的框架或部件并且受到不同方向的力,因此很难调整垂直度。然而,根据本发明,通过将上刀和下刀模块化来安装一个统一的模块框架,可以统一施加到上刀和下刀的力并预先调整垂直度。一体式盒模块是指通过在下刀上的垂直移动来切割电极的上刀(或包括上刀的移动部件)整体地安装在一个模块上,并且是指该模块具有盒形式且可以通过更换安装在支架上。同样,通过将上刀和下刀配置在一体式切割盒模块中,可以通过将上刀和下刀之间的间隙和垂直度调整在公差范围内来保持电极的切割质量恒定,从而使设备的组装非常简单。
(第一实施方式)
将参照图3至图7描述本发明的第一实施方式。
图3是作为本发明的电极切割设备的主要部分的一体式切割盒模块100的透视图。
一体式切割盒模块100包括单个模块框架110,该模块框架110包括上框架111、侧框架112和下框架113。下刀2位于模块框架110的下部处,即,预先固定在那里的下框架113处。此外,上刀1固定在上刀保持单元10处,上刀保持单元10也支撑在模块框架110处。由于上刀1应垂直移动并与下刀2配合切割电极,因此上刀保持单元10以可垂直滑动的方式支撑在模块框架10处。在图3中,上刀保持单元10通过预定的滑动单元(稍后描述)支撑在模块框架110的侧框架112处。对上刀保持单元10的上刀1进行微调,以允许上刀1与安装在模块框架110的下框架处的下刀2之间的间隙和垂直度在公差范围内,并且上刀1安装在模块框架110处。此时,由于上刀1(或上刀保持单元10)和下刀2面向一个单一框架(模块框架110)安装,因此上刀1和下刀2受力的方向被简化,并且相应地,间隙和垂直度的调整变得容易。
此外,电极切割设备的组装仅通过将这种一体式切割盒模块100安装在预定支架200上来完成。
图4至图6是示出本发明的电极切割设备的组装工序的示例的透视图。在该示例中,示出了一体式切割盒模块100可以简单地插入到支架200中的结构。
图4示出了一体式切割盒模块100插入到支架200中之前的状态。支架200包括插入通道210,盒模块100可以插入到该插入通道210中。此外,支架200包括插入引导件220,用于引导盒模块100的插入。插入引导件220具有包括突起和凹入部分的形式、或狭槽的形式,以对应于盒模块100的形式。如图5所示,当一体式切割盒模块100插入到插入通道210中时,盒模块100沿着支架200的插入引导件插入。
此外,一体式切割盒模块100还可包括与支架200的插入引导件220相对应的形式的引导件114(参见图3)。在此,插入引导件220和引导件114的形式可以根据所制造的盒模块110的设备设计或规格进行各种修改。
图6是示出本发明的电极切割设备的组装完成后的状态的透视图。如图6所示,当完成盒模块100的插入时,可以通过将盒模块100的后表面与支架200的面向后表面的表面结合来防止盒模块100的移动。
图7示出了作为本发明的元件的支架200和一体式切割盒模块100的后视图。图7(a)是支架200的后视图,图7(b)是盒模块100的后视图。
如图7所示,当通过在支架的后表面的插入位置a处插入螺栓B而将螺栓B紧固到相应盒模块100的插入位置b时,盒模块100被固定在支架200处。
在将盒模块100固定在支架200处之后,可以通过在盒模块100的模块框架110上垂直地滑动上刀保持单元10来切割电极。在这种情况下,一体式切割盒模块100可以通过包括驱动上刀保持单元10的独立驱动单元来执行切割工作。然而,当考虑驱动单元的输出、尺寸和安装空间等时,如稍后描述的图8所示,优选支架200包括驱动单元(或支架200连接至驱动单元)的示例。
(第二实施方式)
图8示出了根据本发明的第二实施方式的电极切割设备的侧视图(图8(a)),以及该设备的中心部分被切开的透视图(图8(b))。
第二实施方式的电极切割设备具有以下结构:其中一体式切割盒模块100的上刀保持单元10连接至支架200的上部,并且上刀保持单元10可以通过设置在支架200中的驱动单元(未示出)在模块框架110上垂直移动。具体地,提供柄单元20和柄块230用于连接上刀保持单元10和支架200。
可以通过驱动单元垂直移动的柄块230安装在支架200的上部上。例如,当作为驱动单元的马达的旋转运动通过预定的机械连杆机构转换为柄块230的直线运动时,柄块230的垂直移动成为可能。作为这样的运动转换机构,可以使用诸如滚珠丝杠机构和凸轮机构之类的通常已知的那些,因此省略具体说明。
柄块230具有突出部231和位于突出部231的上端处的插入槽232,该突出部231根据稍后描述的柄单元20的柄21的形状在块的下部突出到块的内侧。
柄单元20固定在上刀保持单元10的上部上。柄单元20包括耦接至柄块230的柄21、以及柄轴22,柄轴22的一端耦接至柄21并且另一端耦接至上刀保持单元10。柄21和柄轴22可以形成为单独的部件或一体形成。本图所示的示例的柄21在圆柱形主体的侧部处具有凹部,并且柄块230的突出部231插入到该凹部中。圆柱形柄21的上部插入柄块230下部的插入槽232中。这样,当柄21插入柄块230时,柄20通过柄块230的垂直移动而垂直移动,并且固定在柄单元20处的上刀保持单元10垂直移动(参见图8的箭头)。
在盒模块100的模块框架110的上框架111上形成通道孔H,柄单元20的柄21和柄轴22穿过该通道孔H。因此,柄单元20可以自由地垂直移动穿过通道孔H而不受模块框架110的干扰。
柄单元20和柄块230的耦接可在将切割盒模块100插入支架200中的同时进行。如图4至图6所示,当盒模块100插入支架200中时,柄21可插入柄块230中。
柄块230可被配置为允许位于下端的突出部231彼此靠近。即,例如,当柄块230包括两个左右分开的部分,并且通过紧固螺栓等使位于下端的突出部231彼此靠近时,柄21可被紧固和支撑。
当柄块230连接至柄单元20以将驱动单元的力传递到柄单元20时,完成了本实施方式的电极切割设备的基本组装。即,如在第二实施方式中,在上刀保持单元10由支架200的驱动单元所驱动的结构中,本发明的电极切割设备的组装可以通过一体式切割盒模块100插入到支架200中、一体式切割盒模块100的后表面与支架200之间的耦接,以及柄块230与柄单元20之间的耦接来完成。
将参照图8描述第二实施方式的电极切割设备的操作。首先,当柄块230通过驱动单元抬起时,连接至柄块230的柄单元20和保持单元10向上移动。此后,电极移动到上刀1和下刀2之间的空间(狭缝),并且驱动单元在需要切割电极的时间点根据控制器的指令降低柄块230。这样,一体式盒模块100的柄20和上刀保持单元10下降,上刀1支撑在下刀2处并切割电极。当电极的切割完成时,柄块230通过驱动单元向上移动,并且相应地,柄单元230和上刀保持单元10向上移动,从而完成切割工作。如上所述,上刀保持单元10和下刀2均由一体式切割盒模块100的模块框架110支撑,因此,上刀和下刀之间的间隙和直线度得到适当地保持。
(第三实施方式)
将参照图3描述本发明的第三实施方式.
上刀保持单元10的垂直移动由模块框架110可滑动地支撑。已知的LM引导件也可以考虑用于滑动支撑。然而,在本实施方式中,设置交叉滚柱引导件40以平滑地引导上刀保持单元10等的滑动。交叉滚柱引导件40是包括具有V形滚柱接收槽的两个导轨和多个圆柱形滚柱的引导件。彼此靠近的多个滚柱可具有以直角交叉的旋转轴。两个导轨可以表面接触多个滚柱的滚动表面。交叉滚柱引导件的详细结构是已知的,因此省略进一步的说明。
在本发明中,如图3所示,交叉滚柱引导件40的第一导轨41安装在盒模块100的模块框架(侧框架)上,并且第二导轨42安装在上刀保持单元10上。当上刀保持单元10垂直地移动时,第二导轨42可以在与第一导轨41平滑地接触的同时进行滑动引导。为了更稳定地进行滑动引导,在本发明的上刀保持单元10和模块框架110之间设置两对交叉滚柱引导件40。图3示出了两对引导件部分地切割该设备的透视图。参照图3,第一导轨41安装在每对交叉滚柱引导件40中的模块框架(侧框架112)的宽度方向外侧,并且第二导轨42安装在每对交叉滚柱引导件40中的模块框架(侧框架112)的宽度方向内侧。通过两对交叉滚柱引导件40在模块框架110的宽度方向上分散负载,上刀保持单元10的稳定引导成为可能。
(第四实施方式)
图9是本发明的第四实施方式的透视图。
图9示出了采用不是交叉滚柱引导件的引导主控件50作为上刀保持单元10的滑动支撑结构的情况。即,在第四实施方式中,采用引导主控件50,所述引导主控件50可以防止在执行引导时在引导轴的圆周方向上旋转。
引导主控件包括滚针、保持滚针的保持器、其中具有保持器的套筒、滑入套筒中的柱。由于引导主控件包括滚针和多边形保持器,因此即使柱在套筒中移动时,也可以防止柱沿圆周方向旋转。
图9示出了套筒51连接至模块框架110,并且上刀保持单元10耦接至安装在其中具有柱的单元52处的柱(未示出),从而被垂直地滑动引导。
(第五实施方式)
图10是示出根据本发明的另一实施方式的上刀的不同形式的示意图。
在图3至图8中,使用图10(a)所示形式的上刀10。在该形式中,上刀的下端的刀片的中心侧面的宽度较大,并且刀片的宽度在纵向上朝向中心逐渐减小。即,上刀形成为锥形部1a,其中上刀的下端的刀片在纵向上朝向上刀的中心向上倾斜。
这种形式用于在切割电极时增加第一次接触电极的部分的剪切角。如果剪切角被设置为较大,则压力可以容易地分散到两侧,从而防止电极被撕裂或损坏。然而,在图10(a)的形式中,上刀的中心部分的深度较大,并且相应地,需要深压上刀1才能完全切割电极。即,存在上刀保持单元10的行程增加的问题。
为了防止这种情况,本发明人提出了图10(b)的多级角型上刀1。在图10(b)的示例中,锥形部由具有不同倾斜角的多级锥形部形成。多级锥形部的倾斜角被配置为在纵向上朝向上刀的中心逐渐减小。例如,如图10(b)所示,上刀1形成为锥形单元,其中下端的刀片在纵向上朝向上刀的中心向上倾斜,并且锥形单元包括上刀的侧部的第一锥形部1b和位于第一锥形部1b的内侧的第二锥形部1c。在此,第一锥形部1b的倾斜角大于第二锥形部1c的倾斜角。采用这种配置,通过减小上刀的下端的刀片部分的深度,同时使第一锥形部1b的剪切角变大,可以有效地切割电极,而无需深压上刀。即,根据本实施方式,可以防止上刀保持单元10的行程增加,并且可以防止在切割电极时对电极的损伤。在图10(b)中,多级锥形单元包括在纵向上朝向上刀的中心的两级锥形部,但也可以根据需要包括三级或更多级锥形部。
尽管已经描述了本发明的各种实施方式,但是在本发明的技术构思的范围内,为了使电极切割更有效,可以存在各种修改示例。
例如,可以在上刀和下刀之间的电极流入路径上安装将电极与上刀分离的剥离器115。如图7和图8所示,当在电极流入路径上的上刀和下刀之间安装剥离器115时,上刀1下降并切割电极,而剥离器115阻止电极在被上刀刺入的状态下上升。剥离器115耦接至模块框架110。
在另一修改示例中,上刀的前表面块11可以耦接至上刀保持单元10的前表面。或者,上刀罩12可以安装在上刀保持单元10的上端上(参见图8)。上刀的前表面块11和上刀罩12保护上刀1和上刀保持单元10并防止污染。然而,如果设备的重量因此变得过大,则可以移除上刀的前表面块11或上刀罩12。
在上文中,已经通过附图和示例更详细地描述了本发明。因此,说明书中描述的实施方式和附图中描述的配置仅仅是本发明的最优选实施方式,并不代表本发明的全部技术构思。应当理解的是,在提交本申请时可以有各种等价物和变体来代替它们。
【参考标号说明】
1:上刀
1a:锥形部
1b:第一锥形部
1c:第二锥形部
2:下刀
10:上刀保持单元
11:上刀的前表面块
12:上刀罩
20:柄单元
21:柄
22:柄轴
40:交叉滚柱引导件
41:第一导轨
42:第二导轨50:引导主控件51:套筒52:具有柱的单元52
100:一体式切割盒模块110:模块框架111:上框架
112:侧框架
113:下框架
114:引导件
115:剥离器
200:支架
210:插入通道220:插入引导件230:柄块
231:突出部
232:插入槽
Claims (15)
1.一种用于切割电极的设备,所述设备包括:
一体式切割盒模块,所述一体式切割盒模块包括上刀和下刀;和
安装所述一体式切割盒模块的支架,
其中,所述一体式切割盒模块包括模块框架和上刀保持单元,所述上刀保持单元固定和支撑所述上刀并且以可垂直滑动的方式支撑在所述模块框架上,并且
其中所述下刀耦接至所述模块框架的下部以面向所述上刀。
2.根据权利要求1所述的设备,其中所述支架包括插入通道,并且所述一体式切割盒模块通过所述插入通道插入到所述支架中。
3.根据权利要求2所述的设备,其中所述支架包括插入引导件,所述插入引导件引导所述一体式切割盒模块的插入。
4.根据权利要求2所述的设备,其中所述一体式切割盒模块的后表面通过耦接构件耦接至所述支架的面向所述后表面的表面。
5.根据权利要求1所述的设备,其中所述支架包括驱动单元,并且所述上刀保持单元连接至所述支架的上部,并通过所述驱动单元在所述模块框架上垂直移动。
6.根据权利要求5所述的设备,其中柄单元耦接至所述上刀保持单元的上部,通过所述驱动单元可垂直移动的柄块安装在所述支架的上部上,并且所述柄单元耦接至所述柄块,并且所述上刀保持单元通过所述柄块的移动而垂直移动。
7.根据权利要求6所述的设备,其中所述柄单元包括柄和柄轴,并且在所述模块框架的上部上形成通道孔,所述柄单元的所述柄和所述柄轴穿过所述通道孔。
8.根据权利要求1所述的设备,其中所述上刀保持单元通过交叉滚柱引导件可滑动地支撑在所述模块框架的侧部上。
9.根据权利要求8所述的设备,其中所述交叉滚柱引导件包括安装在所述模块框架处的第一导轨和安装在所述上刀保持单元处的第二导轨。
10.根据权利要求9所述的设备,其中所述上刀保持单元与所述模块框架之间安装有两对交叉滚柱引导件,每对的第一导轨沿宽度方向布置在所述模块框架的外侧,并且每对的第二导轨沿宽度方向布置在所述模块框架的内侧。
11.根据权利要求1所述的设备,其中所述上刀保持单元通过引导主控件可滑动地支撑在所述模块框架上。
12.根据权利要求1所述的设备,其中所述上刀形成为锥形部,其中所述上刀的下端的刀片在纵向上朝向所述上刀的中心向上倾斜。
13.根据权利要求12所述的设备,其中所述锥形部由具有不同倾斜角度的多级锥形部形成,并且
其中所述多级锥形部的倾斜角在纵向上朝向所述上刀的中心逐渐减小。
14.根据权利要求1所述的设备,其中将所述电极与所述上刀分离的剥离器安装在所述上刀与所述下刀之间的电极流入路径上。
15.根据权利要求1所述的设备,其中所述上刀的前表面块耦接至所述上刀保持单元的前表面。
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US20230112473A1 (en) | 2023-04-13 |
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