WO2024164687A1 - 芯包夹具 - Google Patents
芯包夹具 Download PDFInfo
- Publication number
- WO2024164687A1 WO2024164687A1 PCT/CN2023/137234 CN2023137234W WO2024164687A1 WO 2024164687 A1 WO2024164687 A1 WO 2024164687A1 CN 2023137234 W CN2023137234 W CN 2023137234W WO 2024164687 A1 WO2024164687 A1 WO 2024164687A1
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- WIPO (PCT)
- Prior art keywords
- baffle
- core package
- pressing plate
- plate
- bottom plate
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING, OR HOLDING
- B25B11/00—Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders
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- 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 lithium battery manufacturing, and in particular to a core package clamp.
- the present application provides a core package clamp to solve the above technical problems.
- the present application provides a core package clamp, comprising a base plate, a baffle plate and a pressure plate, wherein a first groove portion is provided on the base plate; the baffle plate is fixedly connected to the base plate; the pressure plate is slidably connected to the baffle plate, and the pressure plate is located above the base plate, and an accommodation space for accommodating the core package is formed between the pressure plate and the base plate; and a second groove portion is provided on the pressure plate, and the second groove portion is arranged corresponding to the first groove portion; a through hole is provided on the pressure plate, and the through hole is used for the laser of a laser thickness measuring device to pass through.
- the present application provides a core package fixture, which mainly includes a bottom plate, a baffle and a pressure plate. Among them, a first groove portion is provided on the bottom plate, and the baffle is fixedly connected to the bottom plate.
- the pressure plate is slidably connected to the baffle, and the pressure plate is located above the bottom plate, and a storage space for accommodating the core package is formed between the pressure plate and the bottom plate; and a second groove portion is provided on the pressure plate, and the second groove portion is arranged corresponding to the first groove portion; a through hole is provided on the pressure plate, and the through hole is used for the laser of the laser thickness measuring device to pass through.
- the core package fixture has a simple structure.
- the laser thickness measuring device can complete the thickness measurement process in the process of core assembly, thereby avoiding the problem of the traditional technology that the core package needs to be assembled in the aluminum shell to form a battery core and then the thickness is measured, and the thickness of the core package is warned in advance, which reduces the scrapping of the battery core, saves costs, and improves work efficiency.
- the core package fixture can simultaneously realize the thickness measurement and glue bundling process of the core package, thereby realizing the integration of thickness measurement and glue bundling, and further improving work efficiency.
- FIG1 is a schematic structural diagram of a core package fixture provided in an embodiment of the present application.
- FIG2 is a schematic structural diagram of the core package clamp provided in an embodiment of the present application from another perspective. ;
- first groove portion 100, bottom plate; 110, first groove portion; 200, pressure plate; 210, second groove portion; 220, through hole; 230, mounting hole; 300, first baffle plate; 400, second baffle plate; 410, arc-shaped portion; 500, baffle plate; 310, first fixing member; 320, second fixing member; 240, fixing area; 600, accommodating space.
- connection should be understood in a broad sense, 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 intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements.
- connection 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 intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements.
- a first feature being “above” or “below” a second feature may include that the first and second features are in direct contact, or may include that the first and second features are not in direct contact but are in contact through another feature between them.
- a first feature being “above”, “above” and “above” a second feature includes that the first feature is directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature.
- a first feature being “below”, “below” and “below” a second feature includes that the first feature is directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.
- the terms “upper”, “lower”, “right”, etc. are based on the directions or positions shown in the drawings, and are only for the convenience of description and simplification of operation, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as limiting the present application.
- the terms “first” and “second” are only used to distinguish in the description and have no special meaning.
- this embodiment provides a core package fixture, which mainly includes a bottom plate 100, a baffle 500 and a pressing plate 200. Among them, a first groove portion 110 is provided on the bottom plate 100, and the baffle 500 is fixedly connected to the bottom plate 100.
- the pressing plate 200 is slidably connected to the baffle 500, and the pressing plate 200 is located above the bottom plate 100, and a accommodating space 600 for accommodating the core package is formed between the pressing plate 200 and the bottom plate 100; and a second groove portion 210 is provided on the pressing plate 200, and the second groove portion 210 is correspondingly arranged with the first groove portion 110; and a through hole 220 is provided on the pressing plate 200, and the through hole 220 is used for the laser of the laser thickness measuring device (not shown in the figure) to pass through.
- the upper end surface of the pressing plate 200 is provided with a plurality of mounting holes 230, and the mounting holes 230 are used to connect the laser thickness measuring device.
- the upper end surface of the pressing plate 200 can be provided with four mounting holes 230, and the four mounting holes 230 enclose a fixed area 240, and the fixed area 240 is used to fix the laser thickness measuring device.
- the laser thickness measuring device is installed at the four mounting holes 230 by a third screw, so that the laser emitted by the laser thickness measuring device can accurately pass through the through hole 220 and be shot on the core package.
- the laser thickness measuring device includes a sensor, and the data of the core package thickness measured by the laser thickness measuring device can be transmitted to the alarm device on the external machine through the sensor for early warning.
- the alarm device sends a warning signal to prompt the operator to select the unqualified core package.
- first groove portion 110 and the second groove portion 210 in this embodiment are used together to determine the gluing position of the two core packages, so as to facilitate the bundling of the two core packages together. That is to say, the setting of the first groove portion 110 and the second groove portion 210 can facilitate the tabs on the core package to protrude from the core package fixture, thereby facilitating the operator to perform the gluing and bundling process on the two core packages, thereby improving the efficiency of the two core packages in core closure.
- the gluing position is the side wall of the core package close to the tabs. Specifically, the operator can use tape to glue from the side wall of one core package to the side wall of another core package to achieve the effect of closure of the two core packages.
- the gluing in this embodiment is only a means to achieve the bundling of the two core packages.
- the operator can also adopt other bundling methods to close the core according to the actual situation, which will not be described in detail in this embodiment.
- the bundling and gluing process can be completed manually by the operator or by professional equipment, and the gluing and bundling process belongs to the relevant technology, which will not be described in detail here.
- the core package fixture in this embodiment can be used for the core joining process of two core packages, and the core package type can be NMC ternary square core package, LFP lithium iron phosphate square core package, etc.
- the core package fixture in this embodiment has a simple structure.
- the laser thickness measuring device can complete the thickness measurement process in the process of core assembly, thereby avoiding the problem of thickness measurement after the core package is assembled in the aluminum shell to form a battery core in the traditional technology, and providing early warning of the thickness of the core package, reducing the scrapping of the battery core, saving costs, and improving work efficiency.
- the core package fixture can simultaneously realize the thickness measurement and glue bundling process of the core package, thereby realizing the integration of thickness measurement, glue bundling, and further improving work efficiency.
- the pressing plate 200 in this embodiment is connected to a driving device (not shown in the figure), which is used to drive the pressing plate 200 to move up and down.
- the driving device can be set as a motor to drive the pressing plate 200, so that the core package clamp can be suitable for core packages of different sizes.
- a pulley (not shown in the figure, specifically the connection between the pressing plate 200 and the baffle 500) can be set between the pressing plate 200 and the baffle 500, which is conducive to improving the smoothness of the lifting and lowering movement of the pressing plate.
- the first groove portion 110 and the second groove portion 210 in this embodiment are both provided in plurality.
- the first groove portion 110 and the second groove portion 210 are both provided in four, wherein, along the first direction, two first groove portions 110 are respectively provided on the two sides of the bottom plate 100, and along the second direction, two adjacent first groove portions 110 are staggered; along the first direction, two second groove portions 210 are respectively provided on the two sides of the pressing plate 200, and along the second direction, two adjacent second groove portions 210 are staggered.
- the first direction is the X-axis direction in Fig. 1, that is, the width direction of the bottom plate 100;
- the second direction is the Y-axis direction in Fig.
- the Z-axis direction in Fig. 1 is the thickness direction of the bottom plate 100. Since the positive electrode ear and the negative electrode ear on the core package are usually not on the same straight line, in this embodiment, two adjacent first grooves 110 are staggered along the second direction; and two adjacent second grooves 210 are staggered along the second direction, so as to meet the actual structure of the positive electrode ear and the negative electrode ear on the core package.
- the baffle 500 includes a first baffle 300 and a second baffle 400.
- the first baffle 300 is fixedly connected to the bottom plate 100 through a first fixing member (310), and the first baffle 300 is configured to limit the core package along the second direction.
- the second baffle 400 is fixedly connected to the bottom plate 100 through a second fixing member (410), and the second baffle 400 is configured to limit the core package along the first direction.
- the arrangement of the first baffle 300 and the second baffle 400 can prevent the two core packages from slipping, improve the accuracy of measuring the thickness of the core package, and also improve the efficiency of gluing and bundling the two core packages.
- first fixing member (310) is configured as a first screw
- second fixing member (320) is configured as a second screw
- At least one of the first baffle 300 and the second baffle 400 is provided.
- one first baffle 300 is provided, and two second baffles 400 are provided.
- the operator can flexibly set the number of the first baffle 300 and the second baffle 400 according to the size of the actual core package, and this embodiment does not specifically limit this.
- the tops of the first baffle plate 300 and the second baffle plate 400 in this embodiment are both provided with an arc portion 410.
- the arc portion 410 can provide a certain degree of protection for the operator, preventing the operator from scratching his arm during the core closing process.
- the bottom plate 100 and the pressing plate 200 in this embodiment are both made of stainless steel, and the baffle 500 is a wooden piece. That is, the bottom plate 100 and the pressing plate 200 are made of stainless steel to improve strength; the baffle 500 is made of wooden material to save costs and reduce the weight of the core package clamp.
- the bottom plate 100, the pressing plate 200 and the baffle 500 can also be made of other materials, which will not be described one by one here.
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- Mechanical Engineering (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
本申请公开了一种芯包夹具，包括底板、挡板和压板，底板上设置有第一槽部；挡板与底板固定连接；压板与挡板滑动连接，且压板位于底板上方，压板与底板之间形成用于容置芯包的容置空间；且压板上设置有第二槽部，第二槽部与第一槽部对应设置；压板上设置有通孔，通孔用于激光测厚装置的激光穿过。
Description
本申请要求在2023年02月08日提交中国专利局、申请号分别为202320154817.9的中国专利申请的优先权，以上申请的全部内容通过引用结合在本申请中。
本申请涉及锂电池制造技术领域，尤其涉及一种芯包夹具。
相关技术中，在锂电池的制造过程中，通常需要将两个或两个以上的芯包通过贴胶捆扎的方式装配在一起，然后将芯包装配在铝壳内形成电芯，最后通过测厚装置测量电芯的厚度来检测电芯产品是否合格。这样会使得当电芯的厚度不合格时，电芯只能重新返工甚至报废，增加制造成本，降低加工效率。
本申请提供一种芯包夹具来解决上述技术问题。
第一方面，本申请提供一种芯包夹具，包括底板、挡板和压板，所述底板上设置有第一槽部；所述挡板与所述底板固定连接；所述压板与所述挡板滑动连接，且所述压板位于所述底板上方，所述压板与所述底板之间形成用于容置芯包的容置空间；且所述压板上设置有第二槽部，所述第二槽部与所述第一槽部对应设置；所述压板上设置有通孔，所述通孔用于激光测厚装置的激光穿过。
本申请的有益效果为：
本申请提供一种芯包夹具，主要包括底板、挡板和压板。其中，底板上设置有第一槽部，挡板与底板固定连接。压板与挡板滑动连接，且压板位于底板上方，压板与底板之间形成用于容置芯包的容置空间；且压板上设置有第二槽部，第二槽部与第一槽部对应设置；压板上设置有通孔，通孔用于激光测厚装置的激光穿过。该芯包夹具结构简单，通过在压板上设置通孔，使得激光测厚装置能够在合芯的工序中即可完成测厚工艺，从而避免了传统技术中需要将芯包装配在铝壳内形成电芯后进行测厚的问题，对芯包的厚度提前预警，减少了电芯的报废，节约成本，提高工作效率。同时，该芯包夹具能够同时实现对芯包的测厚、贴胶捆扎工序，进而实现测厚和贴胶捆扎一体化，进一步提高作业效率。
图1是本申请的实施例所提供的芯包夹具的结构示意图；
图2是本申请的实施例所提供的芯包夹具在另一视角下的结构示意图。；
附图标号：
100、底板；110、第一槽部；200、压板；210、第二槽部；220、通孔；230、安装孔；300、第一挡板；400、第二挡板；410、弧形部；500、挡板；310、第一固定件；320、第二固定件；240、固定区域；600、容置空间。
在本申请的描述中，除非另有明确的规定和限定，术语“相连”、“连接”、“固定”应做广义理解，例如，可以是固定连接，也可以是可拆卸连接，或成一体；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或两个元件的相互作用关系。对于本领域的普通技术人员而言，可视具体情况理解上述术语在本申请中的具体含义。
在本申请中，除非另有明确的规定和限定，第一特征在第二特征之“上”或之“下”可以包括第一和第二特征直接接触，也可以包括第一和第二特征不是直接接触而是通过它们之间的另外的特征接触。而且，第一特征在第二特征“之上”、“上方”和“上面”包括第一特征在第二特征正上方和斜上方，或仅仅表示第一特征水平高度高于第二特征。第一特征在第二特征“之下”、“下方”和“下面”包括第一特征在第二特征正下方和斜下方，或仅仅表示第一特征水平高度小于第二特征。
在本实施例的描述中，术语“上”、“下”、“右”、等方位或位置关系为基于附图所示的方位或位置关系，仅是为了便于描述和简化操作，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。此外，术语“第一”、“第二”仅仅用于在描述上加以区分，并没有特殊的含义。
如图1-图2所示，本实施例提供一种芯包夹具，主要包括底板100、挡板500和压板200。其中，底板100上设置有第一槽部110，挡板500与底板100固定连接。压板200与挡板500滑动连接，且压板200位于底板100上方，压板200与底板100之间形成用于容置芯包的容置空间600；且压板200上设置有第二槽部210，第二槽部210与第一槽部110对应设置；压板200上设置有通孔220，通孔220用于激光测厚装置（图中未示出）的激光穿过。
基于以上设计，在本实施例中，压板200的上端面开设有多个安装孔230，安装孔230用于连接激光测厚装置。示例性地，压板200的上端面可以开设4个安装孔230，四个安装孔230围合成一个固定区域240，固定区域240用于固定激光测厚装置，具体地，激光测厚装置通过第三螺钉安装在4个安装孔230处，进而使得激光测厚装置所发出的激光能够精确地穿过通孔220并射在芯包上。激光测厚装置中包括传感器，激光测厚装置所测量的芯包厚度的数据能够通过传感器传送至外部机器上预警器进行预警。当芯包厚度超过或低于设定的目标值时，预警器发出预警信号，以提示作业人员挑选出不合格的芯包。需要指出的是，本实施例中的激光测厚装置为相关技术，且激光测厚的原理也为相关技术，此处不再过多赘述。
此外，本实施例中的第一槽部110和第二槽部210共同用于确定两个芯包的贴胶位置，从而便于两个芯包捆扎在一起，也就是说，第一槽部110和第二槽部210的设置能够有利于芯包上的极耳突出该芯包夹具，进而便于作业人员对两个芯包进行贴胶捆扎工艺，提高两个芯包合芯的工作效率。通常情况下，贴胶位置为芯包侧壁的靠近极耳处。具体地，作业人员可以采用胶带从一个芯包的侧壁向另一个芯包的侧壁进行贴胶，实现两个芯包的合芯效果。当然，本实施例中的贴胶只是实现两个芯包捆扎的一种手段方式，作业人员还可以根据实际情况，采取其他捆扎的方式进行合芯，本实施例对此不再赘述。需要指出的是，该捆扎贴胶工艺可以由作业人员人工完成，也可以采用专业设备进行完成，且贴胶捆扎工艺属于相关技术，此处不再过多赘述。
本实施例中的芯包夹具可以用于两个芯包的合芯工序，且芯包类型可以为NMC三元方形芯包、LFP磷酸铁锂方形芯包等等。
与现有技术相比，本实施例中的芯包夹具，结构简单，通过在压板200上设置通孔220，使得激光测厚装置能够在合芯的工序中即可完成测厚工艺，从而避免了传统技术中需要将芯包装配在铝壳内形成电芯后进行测厚的问题，对芯包的厚度提前预警，减少了电芯的报废，节约成本，提高工作效率。同时，该芯包夹具能够同时实现对芯包的测厚和贴胶捆扎工序，进而实现测厚、贴胶捆扎一体化，进一步提高作业效率。
本实施例中的压板200连接有驱动装置（图中未示出），驱动装置用于驱动压板200升降运动。可选地，驱动装置可以设置为电机，实现对压板200的驱动，使得该芯包夹具能够适用于不同尺寸的芯包。压板200与挡板500之间可以设置滑轮（图中未示出，具体为压板200与挡板500的连接处），从而有利于提高压板升降运动的流畅性。
如图1-图2所示，本实施例中的第一槽部110和第二槽部210均设置为多个。示例性地，第一槽部110和第二槽部210均设置为四个，其中，沿第一方向，底板100的两个侧边分别设置有两个第一槽部110，沿第二方向，相邻两个第一槽部110错位设置；沿第一方向，压板200的两个侧边分别设置有两个第二槽部210，沿第二方向，相邻两个第二槽部210错位设置。需要指出的是，第一方向即为图1中的X轴方向，即底板100的宽度方向；第二方向即为图1中的Y轴方向，即底板100的长度方向。图1中的Z轴方向，即为底板100的厚度方向。由于芯包上的正极耳和负极耳通常不在同一条直线上，因此，在本实施例中，沿第二方向，将相邻两个第一槽部110错位设置；沿第二方向，将相邻两个第二槽部210错位设置，从而满足芯包上正极耳和负极耳的实际结构。
如图1-图2所示，在本实施例中，挡板500包括第一挡板300和第二挡板400，第一挡板300通过第一固定件（310）与底板100固定连接，第一挡板300被配置为对芯包沿第二方向进行限位。第二挡板400通过第二固定件（410）与底板100固定连接，第二挡板400被配置为对芯包沿第一方向进行限位。第一挡板300和第二挡板400的设置能够避免两个芯包发生滑移，提高对芯包测厚的准确度；同时也能够提高两个芯包贴胶捆扎的效率。
可选地，第一固定件（310）设置为第一螺钉，第二固定件（320）设置为第二螺钉。
进一步地，本实施例中的第一挡板300和第二挡板400均设置为至少一个。例如，第一挡板300设置为一个，第二挡板400设置为两个。当然，作业人员能够根据实际芯包的尺寸大小，灵活设置第一挡板300和第二挡板400的数量，本实施例对此不作具体限定。
请继续参考图1-图2，本实施例中的第一挡板300和第二挡板400的顶部均设置有弧形部410。弧形部410的设置能够对作业人员起到一定的保护作用，避免作业人员在合芯工艺的过程中，划伤手臂。
可选地，本实施例中的底板100和压板200均为不锈钢件，挡板500为木制件。即，底板100和压板200采用不锈钢材质制成，提高强度；挡板500采用木质材质制成，节约成本，减轻芯包夹具的重量。当然，在一些可选地实施方式中，底板100、压板200和挡板500还可以采用其他材质制成，此处不再一一赘述。
Claims (16)
- 一种芯包夹具，包括：底板（100），所述底板（100）上设置有第一槽部（110）；挡板（500），所述挡板（500）与所述底板（100）固定连接；压板（200），所述压板（200）与所述挡板（500）滑动连接，且所述压板（200）位于所述底板（100）上方，所述压板（200）与所述底板（100）之间形成设置为容置芯包的容置空间（600）；且所述压板（200）上设置有第二槽部（210），所述第二槽部（210）与所述第一槽部（110）对应设置；所述压板（200）上设置有通孔（220），所述通孔（220）设置为供激光测厚装置的激光穿过。
- 根据权利要求1所述的芯包夹具，其中，所述压板（200）连接有驱动装置，所述驱动装置用于驱动所述压板（200）升降运动。
- 根据权利要求2所述的芯包夹具，其中，所述驱动装置为电机。
- 根据权利要求1所述的芯包夹具，其中，所述压板（200）和所述挡板（500）之间设置有轮滑，所述轮滑与所述压板（200）连接。
- 根据权利要求1所述的芯包夹具，其中，所述第一槽部（110）和所述第二槽部（210）均设置为多个。
- 根据权利要求5所述的芯包夹具，其中，所述第一槽部（110）和所述第二槽部（210）均设置为四个，其中，沿第一方向，所述底板（100）的两个侧边分别设置有两个所述第一槽部（110），沿第二方向，相邻两个所述第一槽部（110）错位设置；沿所述第一方向，所述压板（200）的两个侧边分别设置有两个所述第二槽部（210），沿所述第二方向，相邻两个所述第二槽部（210）错位设置；所述第一方向和所述第二方向相交。
- 根据权利要求1所述的芯包夹具，其中，所述挡板（500）包括第一300），所述第一挡板（300）通过第一固定件（310）与所述底板（100）固定连接，所述第一挡板（300）被配置为对所述芯包沿第二方向进行限位。
- 根据权利要求7所述的芯包夹具，其中，所述挡板（500）包括第二挡板（400），所述第二挡板（400）通过第二固定件（410）与所述底板（100）固定连接，所述第二挡板（400）被配置为对所述芯包沿第一方向进行限位。
- 根据权利要求8所述的芯包夹具，其中，所述第一挡板（300）和所述第二挡板（400）均设置为至少一个。
- 根据权利要求9所述的芯包夹具，其中，所述第一挡板（300）的数量设置为一个，所述第二挡板（400）的数量设置为两个。
- 根据权利要求8所述的芯包夹具，其中，所述第一固定件（310）包括第一螺钉；和/或，所述第二固定件（320）包括第二螺钉。
- 根据权利要求6所述的芯包夹具，其中，所述第一挡板（300）和所述第二挡板（400）的顶部均设置有弧形部（410）。
- 根据权利要求1所述的芯包夹具，其中，所述压板（200）的上端面开设有多个安装孔（230），所述安装孔（230）设置为连接所述激光测厚装置。
- 根据权利要求13所述的芯包夹具，其中，所述安装孔（230）的数量为四个，四个所述安装孔（230）围合成一个固定区域（240）；所述芯包夹具还包括四个第三螺钉，每个所述第三螺钉与每个所述安装孔（230）配合，将所述激光测厚装置固定在所述固定区域（240）。
- 根据权利要求1所述的芯包夹具，其中，所述激光测厚装置设置为与所述通孔（220）对应，所述激光测厚装置发射出的激光通过所述通孔（220）照射到所述芯包上。
- 根据权利要求1-15中任一项所述的芯包夹具，其中，所述底板（100）和所述压板（200）均为不锈钢件，所述挡板（500）为木制件。
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