KR20230138358A - Installation method and zig for installation of manufacturing battery pack - Google Patents

Abstract

The present invention relates to a method of setting up battery pack manufacturing equipment and a jig for setting up battery pack manufacturing equipment. The method of setting up battery pack manufacturing equipment according to the present invention accommodates a cell module in which a plurality of cells are stacked in a cylindrical module case. A method of setting up a battery pack manufacturing facility including manufacturing a battery pack, comprising: a module jig preparation step of preparing a cell module jig formed in the shape of the cell module and a case jig formed in the shape of the module case; And a module setting step of sliding the case jig through a moving part so that the cell module jig is accommodated in the case jig and setting an accommodation process, wherein the module jig preparation step includes the cell module jig having a center groove formed thereon, and Prepare the case jig with a protruding center guide portion formed to correspond to the center groove, and in the module setting step, the center guide portion of the case jig is inserted into the center groove of the cell module jig when sliding the case jig, so that the case jig is accommodated. Set and verify the center positions of the cell module and the module case.

Description

Setting method of battery pack manufacturing equipment and jig for setting up battery pack manufacturing equipment {Installation method and zig for installation of manufacturing battery pack}

The present invention relates to a method of setting up battery pack manufacturing equipment and a jig for setting up battery pack manufacturing equipment.

Unlike primary batteries, secondary batteries can be recharged and have been extensively researched and developed in recent years due to their small size and high capacity. As technology development and demand for mobile devices increase, the demand for secondary batteries as an energy source is rapidly increasing.

Secondary batteries are classified into coin-shaped batteries, cylindrical batteries, square-shaped batteries, and pouch-shaped batteries, depending on the shape of the battery case. In a secondary battery, the electrode assembly mounted inside the battery case is a power generating element capable of charging and discharging consisting of a stacked structure of electrodes and a separator.

In the case of secondary batteries used in small devices, 2-3 battery cells are placed, but in the case of secondary batteries used in medium to large devices such as automobiles, a battery module is made by electrically connecting multiple battery cells. This is used. These battery modules have improved capacity and output by connecting multiple battery cells in series or parallel to form a cell stack. Additionally, one or more battery modules may be mounted together with various control and protection systems such as a battery management system (BMS) and a cooling system to form a battery pack.

Meanwhile, in order to protect the cell stack from external shock, heat or vibration, the battery module has a mono frame with the front and back open to store the cell stack in the internal space, and the front and back of the mono frame. It may include a covering end plate.

Additionally, the battery module may be provided with a bus bar frame that is stored in a mono frame together with the cell stack. The bus bar frame may be connected to electrode leads of battery cells constituting the cell stack.

At this time, the battery module needs to secure technology that satisfies the alignment of the battery cells and the bus bar frame.

Therefore, it is necessary to develop facility IP (Installation Parameter) setting and verification technology through a master jig.

One aspect of the present invention is to provide a method for setting up and verifying battery pack manufacturing equipment through a jig, and a jig for setting up battery pack manufacturing equipment.

A method of setting up battery pack manufacturing equipment according to an embodiment of the present invention includes manufacturing a battery pack by accommodating a cell module in which a plurality of cells are stacked in a cylindrical module case, wherein the cell A module jig preparation step of preparing a cell module jig formed in the form of a module and a case jig formed in the form of a module case; And a module setting step of sliding the case jig through a moving part so that the cell module jig is accommodated in the case jig and setting an accommodation process, wherein the module jig preparation step includes the cell module jig having a center groove formed thereon, and Prepare the case jig with a protruding center guide portion formed to correspond to the center groove, and in the module setting step, the center guide portion of the case jig is inserted into the center groove of the cell module jig when sliding the case jig, so that the case jig is accommodated. The center position of the cell module and the module case can be set and verified.

The jig for setting up battery pack manufacturing equipment according to an embodiment of the present invention is a jig for setting up battery pack manufacturing equipment that includes manufacturing a battery pack by accommodating a cell module in which a plurality of cells are stacked in a cylindrical module case, Comprising a cell module jig formed in the shape of the cell module and a case jig formed in the shape of the module case to accommodate the cell module jig, so as to be able to set and verify the center position of the cell module and the module case, the cell module The jig is further formed with a center groove, and the case jig is further formed with a protruding center guide portion corresponding to the center groove, so that the center guide portion of the case jig is inserted into the center groove of the cell module jig when the case jig is slid. It can be.

According to the present invention, it is possible to set up and verify the battery pack manufacturing equipment using a sample jig before operating the battery pack manufacturing equipment.

Additionally, alignment between the cell module and the bus bar frame may be possible using a cell module jig formed in the form of a cell module and a case jig in the form of the module case. At this time, center alignment may be possible through a cell module jig with a center groove formed and a case jig with a protruding center guide portion formed to correspond to the center groove.

Figure 1 is an exploded perspective view showing a battery pack applied to a battery pack manufacturing facility set up through a method of setting up a battery pack manufacturing facility according to an embodiment of the present invention.
Figure 2 is a perspective view showing the module setting step in the setting method of battery pack manufacturing equipment according to an embodiment of the present invention.
Figure 3 is a perspective view showing a cell module jig and a case jig in a jig for setting up a battery pack manufacturing facility according to an embodiment of the present invention.
Figure 4 is a perspective view showing the main part of the cell module jig and the case jig in the jig for setting the battery pack manufacturing facility according to an embodiment of the present invention.
Figure 5 is a perspective view showing the case jig in the setting jig of the battery pack manufacturing equipment according to an embodiment of the present invention.
Figure 6 is an exploded plan view showing cells in a battery pack applied to a battery pack manufacturing facility set through a method of setting up a battery pack manufacturing facility according to an embodiment of the present invention.
Figure 7 is a plan view showing cells in a battery pack applied to a battery pack manufacturing facility set up through a method of setting up a battery pack manufacturing facility according to an embodiment of the present invention.
Figure 8 is a plan view showing the cell jig in the jig for setting the battery pack manufacturing equipment according to an embodiment of the present invention.
Figure 9 is a perspective view showing a cell jig in a setting jig of a battery pack manufacturing facility according to an embodiment of the present invention.
Figure 10 is a perspective view showing the cell jig assembly in the jig for setting the battery pack manufacturing equipment according to an embodiment of the present invention.
Figure 11 is a front view illustrating a cell alignment facility applied to the setting method of a battery pack manufacturing facility according to an embodiment of the present invention.
Figure 12 is a front view exemplarily showing equipment for bending electrode leads applied to the setting method of battery pack manufacturing equipment according to an embodiment of the present invention.
Figure 13 is a front view exemplarily showing equipment for welding electrode leads applied to the setting method of battery pack manufacturing equipment according to an embodiment of the present invention.

The objectives, specific advantages and novel features of the present invention will become more apparent from the following detailed description and preferred embodiments taken in conjunction with the accompanying drawings. In this specification, when adding reference numbers to components in each drawing, it should be noted that identical components are given the same number as much as possible even if they are shown in different drawings. Additionally, the present invention may be implemented in many different forms and is not limited to the embodiments described herein. Also, in describing the present invention, detailed descriptions of related known technologies that may unnecessarily obscure the gist of the present invention will be omitted.

Method for setting up battery pack manufacturing equipment according to the embodiment

Figure 1 is an exploded perspective view showing a battery pack applied to battery pack manufacturing equipment set up through a setting method of battery pack manufacturing equipment according to an embodiment of the present invention, and Figure 2 is a battery pack manufacturing equipment according to an embodiment of the present invention. This is a perspective view showing the module setting steps in the setting method.

Referring to Figures 1 and 2, the method of setting up a battery pack manufacturing facility according to an embodiment of the present invention includes manufacturing a battery pack (P) by accommodating the cell module 100 in a cylindrical module case 300. A method of setting up a battery pack manufacturing facility, comprising a module jig preparation step of preparing a cell module jig 10 formed in the shape of a cell module 100 and a case jig 20 formed in the shape of a module case 300, and a cell module jig (10) is accommodated in the case jig (20), including the module setting step of setting the acceptance process, setting and verifying equipment for assembling the cell module (100) to the module case (300) in the battery pack manufacturing facility. You can.

In addition, the method of setting up the battery pack manufacturing equipment according to the embodiment of the present invention includes the cell jig preparation step of preparing the cell jig in the form of the cell 110, and the equipment manufacturing the cell 110 before stacking the cell module 100. It may further include a cell setting step of positioning the cell jig and setting up equipment for manufacturing cells 110 in the battery pack manufacturing facility.

In more detail, referring to FIG. 1, a battery pack manufacturing facility can manufacture a battery pack (P) by accommodating a cell module 100 in which a plurality of cells 110 are stacked in a cylindrical module case 300.

The battery pack P may include a module case 300 in which a plurality of cells 110 are stacked and a receiving portion 301 to accommodate the plurality of cells 110 is formed. At this time, the battery pack (P) may further include a bus bar frame 200 connected to the electrode leads of the plurality of cells 110 to be stacked.

Figure 3 is a perspective view showing a cell module jig and a case jig in the setting jig of the battery pack manufacturing equipment according to an embodiment of the present invention, and Figure 4 is a cell module jig in the setting jig of the battery pack manufacturing equipment according to an embodiment of the present invention. It is a perspective view of the main part showing the module jig and the case jig, and Figure 5 is a perspective view showing the case jig in the jig for setting the battery pack manufacturing equipment according to an embodiment of the present invention.

In more detail, referring to FIGS. 2 to 5, the module jig preparation step involves setting jigs such as a cell module jig 10 formed in the form of a cell module 100 and a case jig 20 formed in the form of a module case 300. You can prepare.

Additionally, in the module jig preparation step, the cell module jig 10 with the center groove 11 formed thereon and the case jig 20 with the protruding center guide portion 21 formed to correspond to the center groove 11 can be prepared. Here, specifically, the module jig preparation step is a cell module jig 10 in which a center groove 11 is formed along the A case jig 20 in which a center guide portion 21 is formed can be prepared.

The center groove 11 may be formed to have an arc-shaped cross-section that opens upward, and the center guide portion 21 may be formed to have an arc-shaped cross-section that protrudes downward. At this time, the arc of the center guide part 21 may be extended to form a circle, and a virtual cylinder R may be formed by extending along the center guide part 21.

In the module setting step, the case jig 20 is slid and moved through the moving part M so that the cell module jig 10 is accommodated within the case jig 20, and the receiving process can be set. Here, the moving part (M) may include a case moving part (M1) that moves and fixes the position of the case jig 20, and a cell module moving part (M2) that moves and fixes the cell module jig 10. . At this time, for example, after the cell module moving unit (M2) fixes the position of the cell module jig (10), the case moving unit (M1) moves the case jig (20) along the While moving in this direction, a part of the cell module jig 10 can be inserted into the jig receiving portion 22 of the case jig 20.

In addition, the module setting step ensures that the center guide portion 21 of the case jig 20 is inserted into the center groove 11 of the cell module jig 10 when the case jig 20 is slid, so that the cell module 100 is inserted before acceptance. ) and by setting and verifying the center position of the module case 300, it is possible to set up equipment for assembling the cell module 100 to the module case 300 in a battery pack manufacturing facility.

In addition, in the module setting step, the case jig 20 is slidably moved in the X-axis direction and the cell module jig 10 can be accommodated within the case jig 20.

Meanwhile, the battery pack manufacturing facility includes a control unit that controls each device, and the module setting step may include a module setting value storage process of storing the center position setting value of the module case 300 in the memory of the control unit.

Figure 6 is an exploded flat diagram showing cells in a battery pack applied to a battery pack manufacturing facility set up through a setting method of a battery pack manufacturing facility according to an embodiment of the present invention, and Figure 7 is an exploded flat diagram showing a cell according to an embodiment of the present invention. This is a plan view showing the cells in the battery pack applied to the battery pack manufacturing facility set up through the pack manufacturing facility setting method.

Meanwhile, referring to FIGS. 6 and 7, the cell 110 includes an electrode assembly 111 in which an electrode and a separator are stacked, a pouch 112 that accommodates the electrode assembly 111, and is connected to the electrode assembly 111. may include an electrode lead 114 extending to the outside of the pouch 112.

Figure 8 is a plan view showing the cell jig in the setting jig of the battery pack manufacturing equipment according to an embodiment of the present invention, and Figure 9 is a perspective view showing the cell jig in the setting jig of the battery pack manufacturing equipment according to an embodiment of the present invention. 10 is a perspective view showing the cell jig assembly in the jig for setting up the battery pack manufacturing equipment according to an embodiment of the present invention, and Figure 11 is a cell jig assembly applied to the setting method of the battery pack manufacturing equipment according to an embodiment of the present invention. This is a front view showing an exemplary alignment facility.

Referring to FIGS. 7 to 9, the cell jig preparation step may involve preparing a cell jig 30 in the form of a cell 110. Here, the cell jig 30 may include a pouch portion 31 and an electrode lead portion 32 provided at an end of the pouch portion 31.

In the cell setting step, the cell jig 30 can be placed in the cell 110 manufacturing equipment before stacking the cell module 100, and the cell manufacturing equipment can be set up in the battery pack manufacturing equipment. At this time, the cell setting step may include a cell setting value storage process of storing the setting value of the cell 110 in the memory of the control unit. Here, in the cell setting value storage process, the width, width, thickness, and angle of the entire cell jig 30 and each part are measured through a measurement sensor, etc., and the setting value of the cell 110 based on the measured value is stored in the control unit. can be stored in memory.

Additionally, referring to FIG. 10, the cell jig preparation step may further prepare a cell jig assembly (S) in which a plurality of cell jigs 30 are connected. The cell jig assembly (S) may be in the form of a plurality of cell jigs (30) connected by a joint (40) to maintain a constant interval. Additionally, the cell jig assembly (S) may further include a handle (33). Accordingly, the cell setting step involves setting up equipment for manufacturing multiple cells 110 at once by placing the cell jig assembly (S) in equipment for manufacturing multiple cells 110 simultaneously before stacking the cell modules 100. It can be easy. Here, equipment for manufacturing multiple cells 110 at once may be, for example, equipment for cutting electrode leads, equipment for aligning the cells 110 before stacking them, or equipment for bending the outer peripheral surface of the cell pouch. there is. At this time, referring to FIGS. 10 and 11, the equipment for simultaneously manufacturing a plurality of cells 110 may specifically be, for example, a cell alignment equipment 5000, and the seating portion of the cell alignment equipment 5000 ( The equipment can be set up by seating the cell jig assembly (S) on the 5001).

Figure 12 is a front view exemplarily showing equipment for bending electrode leads applied to the setting method of battery pack manufacturing equipment according to an embodiment of the present invention, and Figure 13 is a setting of battery pack manufacturing equipment according to an embodiment of the present invention. This is a front view illustrating equipment for welding electrode leads applied to the method.

Meanwhile, referring to FIGS. 1, 12, and 13, the cell jig preparation step prepares a cell jig 50 in the form of a cell 110, and a measuring instrument is placed at the center along the longitudinal direction of the cell jig 50. A cell jig (50) equipped with (51) can be prepared. At this time, in the cell setting step, the cell jig 50 is placed in the cell 110 manufacturing equipment before stacking the cell module 100, and the cell manufacturing equipment is set in the battery pack manufacturing equipment, such as electrode leads. A facility for bending 2000 (see FIG. 12) or a facility 4000 for welding electrode leads (see FIG. 13) can be set. Therefore, the cell setting step is to easily set and verify the center position of the cell 110 manufactured through the cell jig 50 based on the measurer 51 by applying the cell jig 50 in the cell manufacturing facility. You can. At this time, the cell setting value saving process in the cell setting step may store the center position setting value of the cell 110 in the memory of the control unit.

Jig for setting up battery pack manufacturing equipment according to the embodiment

Hereinafter, a jig for setting up a battery pack manufacturing facility according to an embodiment of the present invention will be described.

Referring to Figures 1 and 2, the jig for setting the battery pack manufacturing equipment according to an embodiment of the present invention is a cylindrical module that uses a cell module 100 in which a plurality of cells 110 are stacked. A jig for setting up a battery pack manufacturing facility that includes manufacturing a battery pack (P) by housing it in a case 300, and is composed of a cell module jig 10 formed in the form of a cell module 100 and a module case 300. It includes a case jig 20 that is formed and accommodates the cell module jig 10. In addition, the jig for setting up the battery pack manufacturing equipment according to the embodiment of the present invention may further include a cell-shaped cell jig 30 and a cell jig assembly (S).

The jig for setting up battery pack manufacturing equipment according to an embodiment of the present invention relates to a jig for setting up battery pack manufacturing equipment that is applied to the setting method of battery pack manufacturing equipment according to the above-described embodiment of the present invention. Therefore, in the embodiment of the electrode assembly manufacturing method, content that overlaps with the embodiment of the method of setting up the battery pack manufacturing equipment described above will be omitted or briefly described, and the description will focus on the differences.

In more detail, referring to FIGS. 2 to 4, the case jig 20 is formed in the form of a cell module jig 10 and a module case 300 formed in the shape of a cell module 100 to accommodate the cell module jig 10. It can be.

To enable setting and verification of the center position of the cell module 100 and the module case 300, the cell module jig 10 is further formed with a center groove 11, and the case jig 20 is formed in the center groove 11. A correspondingly protruding center guide portion 21 may be further formed. At this time, when the case jig 20 is slid, the center guide portion 21 of the case jig 20 may be inserted into the center groove 11 of the cell module jig 10.

The cell module jig 10 has a center groove 11 formed along the X-axis direction on the center side of the upper surface, and the center guide portion 21 protrudes along the You can.

The center groove 11 may be formed to have an arc-shaped cross-section that opens upward, and the center guide portion 21 may be formed to have an arc-shaped cross-section that protrudes downward. At this time, the arc of the center guide part 21 may be extended to form a circle, and a virtual cylinder R may be formed by extending along the center guide part 21.

Referring to FIGS. 7 to 9, the cell jig assembly (S) includes a plurality of cell jigs 30 in the form of cells 110, and a plurality of cell jigs 30 so that the plurality of cell jigs 30 are maintained at regular intervals. ) may include a joint 40 connected to the. Accordingly, it can be easy to set up equipment for manufacturing multiple cells 110 at once by placing the cell jig assembly (S) in equipment for manufacturing multiple cells 110 simultaneously before stacking the cell modules 100. . Meanwhile, the cell jig assembly (S) may further include a handle (33).

Meanwhile, referring to FIGS. 1, 12, and 13, the cell jig 50 may be provided with a measuring device 51 at the center along the longitudinal direction. That is, the cell jig 50 is formed in the shape of a cell 110, and is further provided with a measurer 51 to determine the center position of the cell 110 manufactured through the cell jig 50 based on the measurer 51. It can be easily set up and verified.

Although the present invention has been described in detail through specific examples, this is for detailed explanation of the present invention, and the present invention is not limited thereto. It can be said that various implementations are possible by those skilled in the art within the technical spirit of the present invention.

Additionally, the specific scope of protection of the invention will be made clear by the appended claims.

10: Cell module jig
11: Center Home
13: handle
20: Case jig
21: Center guide section
22: cathode
23: handle
30: Cell Jig
31: Pouch part
32: Electrode lead part
33: handle
40: joint
50: cell jig
51: Measurer
100: Cell module
110: cell
111: electrode assembly
112: Pouch
113,114: Electrode leads
200: Busbar frame
300: module case
301: receiving part
P: Battery pack

Claims (13)

A method of setting up a battery pack manufacturing facility comprising manufacturing a battery pack by housing a cell module in which a plurality of cells are stacked in a cylindrical module case,
A module jig preparation step of preparing a cell module jig formed in the cell module shape and a case jig formed in the module case shape; and
A module setting step of sliding the case jig through a moving part so that the cell module jig is accommodated in the case jig and setting an accommodation process,
The module jig preparation step prepares the cell module jig with a center groove formed and the case jig with a protruding center guide portion formed to correspond to the center groove,
The module setting step is to insert the center guide portion of the case jig into the center groove of the cell module jig when sliding the case jig, thereby setting and verifying the center positions of the cell module and the module case before acceptance. How to set up equipment. In claim 1,
The module jig preparation step includes the cell module jig having the center groove formed along the X-axis direction on the center side of the upper surface, and the case jig having the center guide portion protruding along the prepare,
The module setting step is a method of setting a battery pack manufacturing facility in which the case jig is slidably moved in the X-axis direction and the cell module jig is accommodated in the case jig. In claim 2,
The center groove is formed to have an arc-shaped cross section that is open upward,
A method of setting up a battery pack manufacturing facility in which the center guide portion is formed to have an arc-shaped cross section protruding downward. In claim 1,
The battery pack manufacturing facility includes a control unit that controls each device,
The module setting step is a method of setting up a battery pack manufacturing facility including a module setting value storage process of storing the center position setting value of the module case in the memory of the control unit. In claim 1,
A cell jig preparation step of preparing a cell jig of the cell shape; and
A method of setting up a battery pack manufacturing facility further comprising a cell setting step of positioning the cell jig in the cell manufacturing facility before stacking the cell modules and setting the cell manufacturing facility in the battery pack manufacturing facility. In claim 5,
The module jig preparation step prepares the cell jig equipped with a measuring instrument at the center along the longitudinal direction of the cell jig,
The cell setting step is a method of setting a battery pack manufacturing facility in which the cell jig is applied in the cell manufacturing facility and the center position of the cell jig is set based on the measurer. In claim 5,
The Selzig preparation step is
Further prepare a cell jig assembly where a plurality of the cell jigs are connected,
The cell jig assembly is a method of setting up a battery pack manufacturing facility in which a plurality of the cell jigs are connected with a joint to maintain a constant interval. In claim 5,
The battery pack manufacturing facility includes a control unit that controls each device,
The cell setting step is a method of setting up a battery pack manufacturing facility including a cell setting value storage process of storing the settings of the cell manufacturing facility in the memory of the control unit. A jig for setting up a battery pack manufacturing facility that includes manufacturing a battery pack by accommodating a cell module in which a plurality of cells are stacked in a cylindrical module case,
It includes a cell module jig formed in the shape of the cell module and a case jig formed in the shape of the module case to accommodate the cell module jig,
To enable setting and verification of the center positions of the cell module and the module case, the cell module jig is further formed with a center groove, and the case jig is further formed with a center guide portion protruding to correspond to the center groove, so that the case A jig for setting up battery pack manufacturing equipment in which the center guide part of the case jig is inserted into the center groove of the cell module jig when the jig is slid. In claim 9,
The cell module jig has the center groove formed along the X-axis direction on the center side of the upper surface,
The center guide portion is a setting jig for battery pack manufacturing equipment that protrudes along the X-axis direction to correspond to the center groove on the inner surface. In claim 9,
The center groove is formed to have an arc-shaped cross section that is open upward,
A jig for setting a battery pack manufacturing facility in which the center guide portion is formed to have a circular arc-shaped cross section protruding downward. In claim 9,
A plurality of cell jigs in the cell shape; and
A jig for setting up a battery pack manufacturing facility, further comprising a cell jig assembly including a joint connected to a plurality of cell jigs so that the plurality of cell jigs are maintained at regular intervals. In claim 9,
Further comprising a cell jig in the cell shape,
The cell jig is a jig for setting up battery pack manufacturing equipment in which a measurer is provided at the center along the longitudinal direction.

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