KR100825496B1 - Apparatus of molding battery pack and molding method of the same - Google Patents

Abstract

As apparatus for molding a battery pack, and a method for molding a battery pack are provided to allow a protection circuit module and a positive temperature coefficient to be molded automatically, thereby improving the productivity of a battery pack. As apparatus(100) for molding a battery pack comprises a base table(10); a conveyer(20) which is installed at the base table and has a transfer pathway for allowing a battery pack to be transferred in the state that a protection circuit module and a positive temperature coefficient are protected with an upper cap; and a molding unit which injects a molding material into the battery pack transferred along the transfer pathway to integrate the protection circuit module, the positive temperature coefficient and the upper cap to the battery pack.

Description

Apparatus of molding battery pack and molding method of the same

1 is an exploded perspective view showing a battery pack for explaining the present invention.

2 is a plan view showing a battery pack molding apparatus according to an embodiment of the present invention.

Figure 3 is a front view showing a battery pack molding apparatus according to an embodiment of the present invention.

4 to 5 are a plan view and a side view showing the battery pack supply of the battery supply conveyor and the first pickup unit according to an embodiment of the present invention.

6 to 7 is a front view showing a molding state of the molding unit of the present invention.

8 to 9 is a rear perspective view and a perspective view showing an upper mold and a lower mold of the battery pack molding apparatus according to an embodiment of the present invention.

10 to 13 are a front view and a side view showing a trimming state of a trimming unit according to an embodiment of the present invention.

14 is a plan view of the turning conveyor;

15 to 17 are plan views showing the transfer of the battery pack to the discharge conveyor.

18 is a flow chart showing a battery pack molding method according to an embodiment of the present invention.

<Description of Symbols for Major Parts of Drawings>

100: molding apparatus 10: base table

20: conveyor 30: molding unit

40: trimming unit 50: direction switching conveyor

The present invention relates to a battery pack molding apparatus, and more particularly, to a battery pack molding apparatus for automatically molding a protection circuit module (PCM) and a positive temperature coefficient (PTC) installed in a battery pack. It is about.

In general, an inner type battery pack used as a power source for a mobile terminal such as a communication terminal, a PDA, a portable computer, and a DMB is applied. The battery pack includes a battery pack body and a protection circuit module. And a PTC (Positive Temperature Coefficient) for controlling heat generation connected between the protection circuit module and the battery pack and the protection circuit module and the battery pack.

Here, in order to electrically connect the battery pack and the PTC, an operator connects the PTC to the battery pack by welding, and the PTC is welded and electrically connected to the protection circuit module through the connection terminal. The connecting terminal is welded to the protective circuit module so as to be electrically connected, and then the upper cover and the lower cover are joined and molded, and the top sheet is bonded to complete the battery pack.

In this case, the PTC and the PCM installed inside the upper cover are molded to protect the state fixed to the battery pack. This also has to be performed manually, which causes a problem in that productivity is reduced due to manufacturing.

SUMMARY OF THE INVENTION The present invention has been made in view of the above necessity, and provides a battery pack molding apparatus for automatically molding a protection circuit module (PCM) and a positive temperature coefficient (PTC) installed in a battery pack. Has its purpose.

Battery pack molding apparatus of the present invention for achieving the above object is installed on the base table, the base table, the conveyor is provided with a transport path for the battery pack to be transported and the battery pack transported along the transport path It includes a molding unit for injecting the molding material.

Here, the molding material is a liquid phase, and the battery pack is supplied in a state in which a protection circuit module (PCM) and a positive temperature coefficient (PTC) are protected by an upper cap, and a molding unit is coupled to the battery pack. A protection circuit module (PCM), a positive temperature coefficient (PTC), and an upper cap may be molded to be integrated with the battery pack.

And the conveyor preferably comprises a supply conveyor for supplying the battery pack to the molding unit and a discharge conveyor for discharging the battery pack is completed molding in the molding unit.

The conveyor preferably includes a first pickup unit for picking up the battery pack of the supply conveyor and supplying the battery pack to the molding unit, and a second pickup unit for transferring the completed battery pack to the discharge conveyor.

On the other hand, the molding unit is provided with an accommodating part for accommodating the battery pack for molding the battery pack, a mold provided with a molding flow path of the molding material, and a nozzle is provided to inject the molding material into the mold In the case of injecting the injection portion and the molding material into the battery pack accommodated in the mold, it is preferable to include a conveying portion for transferring the nozzle to the mold.

Here, the mold is provided in plural and preferably includes a turntable in which a plurality of molds are arranged radially to have a circulation cycle.

The mold may include a first lifting member and a second lifting member for receiving the battery pack in the accommodation part and opening the mold to draw out the molded battery pack.

The first and second lifting members lift and lower the upper mold of the mold, and interlock with the first and second pick-up units, respectively, and the second lifting member is lifted by the upper mold. And a backup pin to separate the battery pack from the housing, and a backup pin to prevent separation from the housing, and an eject pin to separate the battery pack from the lower mold when the battery pack is taken out of the housing in an elevated state of the upper mold. desirable.

The molding unit includes a backup member to support the mold when the molding material is injected into the mold by the injection unit, and the backup member includes a first backup member supporting the mold to have a predetermined height at a lower portion thereof. And a second backup member for backing up by pressing the mold from the top and a third backup member for supporting the battery pack in a direction opposite to the injection direction of the mold.

And a trimming unit disposed on the base table to remove a gate of a molding material protruding from the molding pack in the molding unit, wherein the trimming unit picks up and supplies a molded battery pack in the molding unit. It is preferable to include a pickup unit.

In addition, the trimming unit preferably includes a cutter for cutting the gate of the battery pack and a cutter driving member for varying the width of the cutter according to the gate cutting position of the battery pack.

In addition, it is preferable that one side of the trimming unit includes a redirection conveyor for switching the direction of the battery pack while transferring the battery pack of the trimming is completed.

The battery pack molding method of the present invention for achieving the above object is a battery pack for supplying a battery pack in a state in which a protection circuit module (PCM), a positive temperature coefficient (PTC) and a cover protecting the same A supplying step, a molding step of injecting molding material into one side of the supplied battery pack, a molding step, a gate removing step of removing a gate attached to the molded battery pack, and a discharge step of discharging the completed battery pack It includes.

Here, the molding step preferably includes a drying step of drying the molding material injected into the battery pack to be cured.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings. In the following description of the present invention, the terms defined are defined in consideration of functions in the present invention, and should not be understood as a meaning of limiting the technical components of the present invention.

First of all, the structure of the battery pack will be explained for better understanding. 1 is an exploded perspective view showing a battery pack to be manufactured by an embodiment of the present invention.

As shown in FIG. 1, the battery pack 1 is provided with a protection circuit module 3 on the top of a predetermined battery pack body 2 to protect overcharge and overdischarge of the battery pack 1. In this case, a connection terminal 4 is provided to electrically connect the protection circuit module 3 to the battery pack 1, and controls heat generation of the battery pack 1 between the battery pack 1 and the connection terminal 4. PTC (5) (Positive Temperature Coefficient) is further provided. In addition, an upper cap 6 and a lower cap 7 are provided above and below the battery pack 1.

And the battery pack 1 is completed by adhering the title sheet 8 along the outer periphery.

In addition, the connection terminal 4 is composed of a negative terminal 4a and a positive terminal 4b according to the installation position of the battery pack 1, the negative terminal 4a is connected to the negative electrode of the battery pack 1, The positive terminal 4b is connected to the positive electrode of the battery pack 1.

That is, the negative electrode of the battery pack 1 and one end of the PTC 5 are electrically connected, and one end of the negative electrode terminal 4a is electrically connected to the other end of the PTC 5. The other end of the negative electrode terminal 4a is connected to the negative terminal 3a of the protection circuit module 3.

In addition, the positive electrode of the battery pack 1 and one end of the positive electrode terminal 4b are electrically connected to each other, and the other end of the positive electrode terminal 4b and the positive terminal 3b of the protection circuit module 3.

Therefore, the negative electrode of the battery pack 1 is connected to the negative terminal 3a of the protective circuit module 3 through the negative terminal 4a and the PTC 5, and the positive electrode is connected to the protective circuit module (by the positive terminal 4b). After the upper cap 6 and the lower cap 7 are coupled to the upper and lower portions of the battery pack 1 while being connected to the positive terminal 3b of 3), the top sheet 6 is bonded to the battery pack 1. Is completed.

Hereinafter, a battery pack molding apparatus of the present invention for manufacturing the battery pack will be described.

2 to 3 are a plan view and a front view showing a battery pack molding apparatus according to an embodiment of the present invention. 4 to 5 are a plan view and a side view showing the battery pack supply of the battery supply conveyor and the first pickup unit according to an embodiment of the present invention.

And 6 to 7 is a front view showing a molding state of the molding unit of the present invention, Figures 8 to 9 is a rear perspective view and a perspective view showing the upper mold and the lower mold of the battery pack molding apparatus according to an embodiment of the present invention to be.

10 to 13 are front and side views showing a trimming state of a trimming unit according to an embodiment of the present invention, FIG. 14 is a plan view showing a turning conveyor, and FIGS. 15 to 17 are discharge conveyors for battery packs. This is a plan view showing the transfer to.

For reference, in the direction described in the present invention, the X direction is the left and right direction, the Y direction is the up and down direction, and the Z direction is the front and rear direction.

2 to 5, the battery pack molding apparatus 100 of the present invention includes a base table 10, a conveyor 20 for transferring a battery pack, and a molding unit for molding the supplied battery pack 1 ( 30 and a trimming unit 40 for removing the gate of the molding material attached to the molded battery pack 1.

The battery pack 1 supplied here is supplied in a state in which a protection circuit module (PCM) and a PTC (5) (Positive Temperature Coefficient) are combined, or the protection circuit module 3 and a PTC ( The upper cap 6 is supplied in a state where 5) is coupled together.

And it is provided to inject the molding material into the injection hole formed in a predetermined size on the one side and the other side of the upper cap 6 or the gap between the upper cap 6 and the battery pack 1, the injection molding material is liquid Is prepared.

The conveyor 20 is installed on the base table 10 and discharges the supply conveyor 21 for supplying the battery pack 1 to the molding unit 30 so as to be molded, and the battery pack 1 in which the molding is completed. The discharge conveyor 22 is composed of. Here, the supply conveyor 21 and the discharge conveyor 22 may be provided as a single conveyor 20 integrally.

In addition, the supply conveyor 21 and the discharge conveyor 22 are provided with a supply feed path 21a and a discharge feed path 22a so that the battery pack 1 can be transferred, respectively, and the supply conveyor 21 and the discharge conveyor 22 are respectively provided. The conveyor 22 is provided with the belt conveyor 20 which rotates by the drive of an electric motor.

Here, the supply conveyor 21 is provided with a direction switching lever 21b on the supply transport path 21a for laying down the battery pack 1, which is transported in a vertical position along the supply transport path 21a, in a predetermined direction. In addition, the battery pack 1 vertically conveyed may be provided by inclining the supply feed path 21a inward so that the battery pack 1 is automatically laid down or by combining separate members.

In addition, the battery pack 1 may be automatically laid down in the supply transfer path 21a, and the battery pack 1 supplied to the supply transfer path 21a may be supplied in a down state from the beginning. have. Therefore, the turning lever 21b can be installed and removed as necessary.

Then, a fixing member 21c is provided to fix the lying down battery pack 1 at a predetermined position so that the battery pack 1 can be picked up for the next process. Here, the fixing member 21c is provided with a cylinder operated by pneumatic pressure.

One side of the supply conveyor 21 is provided with a first pickup unit 23 for picking up the transferred battery pack (1). The first pick-up unit 23 picks up the battery pack 1 in a lying down state and moves the first pick-up member 23a and the first pick-up member 23a to supply the molding unit 30. It consists of 23b.

Here, the first operating member 23b is provided as a robot that can move the first pick-up member 23a in at least two directions or more and rotate about any one or more selected from the X, Y, and Z axes.

However, when the first pickup unit 23 is installed in the diagonal direction as shown in the drawing, the first pickup unit 23 is provided to be movable forward and backward in the diagonal direction and is lifted in the Y direction. And it is provided to be rotated about the reciprocating and Y-axis in the cross direction of the forward and backward.

In addition, the first pickup member 23a picks up the battery pack 1 by a pneumatic cylinder and supplies it to the molding unit 30.

Meanwhile, the molding unit 30 for molding the protection circuit module and the PTC installed in the battery pack 1 supplied by the first pickup unit 23 is the first pickup unit 23 as illustrated in FIGS. 6 to 9. ), A mold 31 in which the battery pack 1 is accommodated, an injection part 32 for injecting a molding material into the battery pack 1, and a molding driving part 33 for moving the injection part 32. .

Here, the mold 31 is composed of an upper mold 31a and a lower mold 31b, and accommodated therebetween so as to accommodate the battery pack 1 on a surface where the upper mold 31a and the lower mold 31b are in contact with each other. Each part 31c is provided. At this time, the accommodating part 31c may be formed in both the upper mold 31a and the lower mold 31b, and may be formed only in any one of the upper mold 31a and the lower mold 31b.

One side of the mold 31 is provided with a molding flow passage 31d penetrating the accommodation portion 31c to supply the molding material to the battery pack 1 accommodated in the accommodation portion 31c. Here, the molding flow passage 31d is provided with a supply molding flow passage and a discharge molding flow passage, respectively.

That is, the molding material is injected into the supply molding channel 31d, and the air at the position to be molded of the battery pack 1 is discharged from the discharge molding channel 31d. Here, the supply molding passage 31d and the discharge molding passage 31d may be formed only in the upper mold 31a, and may be formed only in the lower mold 31b, but preferably, the upper mold 31a and the lower mold 31b. ) Is provided in the form of a groove on either side or any one side of the contact surface.

In addition, a first elevating member 35 for elevating any one of the upper mold 31a and the lower mold 31b is provided to accommodate the battery pack 1 in the accommodating portion 31c. Here, the first elevating member 35 is fixed to the base table 10 so that when the battery pack 1 is supplied to the mold 31, the upper mold 31a may be accommodated in the accommodating part 31c. Raise).

In addition, at least one mold 31 is provided, and a turntable 34 is provided to allow a plurality of molds 31 to circulate. In this case, the turntable 34 is installed at the center of or on the base table 10, and a plurality of molds 31 are installed at edges of the turntable 34 at equal intervals to repeat the pause and rotation so that each process can be performed. do.

And the guide pin 31e for guiding the lifting of the upper mold 31a or the lower mold 31b is provided, and at least two guide pins 31e are provided in the mold 31.

The injection part 32 supplies a molding material to the supply molding flow path 31d of the molding flow path 31d, and is provided with a pumping part 32b so as to be supplied at a predetermined pressure, and supplies the molding material to the supply molding flow path ( The nozzle 32a for supplying to 31d) is provided.

Here, the injection part 32 further includes a reservoir (not shown) for storing the molding material, and a supply pipe is provided so that the molding material can be supplied through the nozzle 32a from the reservoir.

The molding driving unit 33 transfers the nozzle 32a of the injection unit 32 by transferring the injection unit 32 to inject the molding material into the mold 31. Here, the pumping part 32b can also be moved together as needed.

Therefore, the molding driving part 33 transfers the nozzle 32a to bring it into close contact with the supply molding flow path 31d, and then pumps it from the pumping part 32b. Then, the molding material passes through the nozzle 32a and the supply molding flow path 31d. 1) will be molded.

In this case, in order to supply the molding material at a predetermined pressure, the airtightness must be maintained, so that the mold material is supplied in a state of being in close contact with the supply molding flow path 31d with a predetermined force. A backup member 37 is provided to prevent the flow and deformation of the elevating member and the guide pin 31e for elevating the portion.

Here, the backup member 37 is located at the bottom of the mold 31 and the first backup member 37a for constantly supporting the height of the mold 31 so that the nozzle 32a may be in close contact with the mold, and the mold. The battery pack 1 inside the mold 31 is located on the opposite side of the contact direction between the second backup member 37b and the nozzle 32a, which is positioned at the upper part of the upper part and presses and supports the mold 31 from the top. And a third backup member 37c for supporting.

The first backup member 37a is lifted by the driving of the cylinder at the bottom, and rises to a certain height to prevent the lower mold 31b from sagging. Therefore, it is preferable that the first backup member 37a is provided to move up the inclined surface by moving the wedge-shaped plate so as not to sag in the elevated state, and to move backward to descend the inclined surface.

In addition, a second elevating member 36 for elevating any one of the upper mold 31a and the lower mold 31b is provided to draw out the battery pack 1 from the accommodating portion 31c of the mold 31. . Here, the second elevating member 36 is mounted on the base table 10 to raise the upper mold 31a so that the battery pack 1 can be drawn out to the receiving portion 31c.

In this case, when the upper mold 31a is raised, the backup fixing the battery pack 1 regardless of the rise of the upper mold 31a at the top to prevent the battery pack 1 from coming up by the hardened molding material. The pin 38 is provided.

Accordingly, as shown in FIGS. 10 to 11, a first entry hole 31 a ′ through which the backup pin 38 enters and exits is formed at the center of the upper mold 31 a, and the first entry hole 31 a ′ is formed. The upper mold 31a is raised and lowered even when the backup pin 38 pressurizes the battery pack 1 due to the formation of. When the upper mold 31a is raised, the backup pin 38 is raised to release the pressurization of the battery pack 1.

In addition, an eject pin 39 for ejecting the battery pack 1 accommodated in the accommodating portion 31c of the lower mold 31b while the upper mold 31a is raised is provided. Here, the eject pin 39 passes through the second access hole 31b 'formed in the lower mold 31b to raise and eject the battery pack 1.

Meanwhile, the trimming unit 40 is provided to pick up the battery pack 1 accommodated in the accommodating portion 31c of the mold 31 to remove the gate of the molding material attached to the edge due to the molding in the state where the ejection is completed.

Here, the trimming unit 40 includes a third pickup unit 42 for picking up and transporting the battery pack 1 accommodated in the accommodating part 31c of the mold 31 as shown in FIGS. It consists of a trimming part 41 for removing the gate of the molding material attached to the battery pack 1 picked up by the pickup unit 42.

The third pick-up unit 42 is provided with a third pick-up member 42a to hold the battery pack 1 and includes a third pick-up member 42b for moving the third pick-up member 42a. . Here, the third pick-up member 42b is provided as a robot to move the third pick-up member 42a in at least two directions and to rotate about any one or more selected on the X, Y, and Z axes.

The trimming unit 41 is provided with a cutter 41a to remove a gate attached to the battery pack 1 picked up by the third pickup unit 42 and a cutter driving member 41b for driving the cutter 41a. Driving section is provided. The trimming is performed by the movement of the third pickup unit 42 to the cutter 41a fixed by moving the battery pack 1 close to the surface.

When the trimming is completed in the trimming unit 40, a turning conveyor 50 for changing the direction is provided as shown in FIG. 14 so that the next process can be performed. It includes a rotating member 51 for seating the trimmed battery pack 1 to rotate and rotate at an angle of 180 degrees.

A second pick-up unit 24 is provided to grip the rotated battery pack 1 and to transfer it to the discharge conveyor 22. The second pick-up unit 24 picks up the battery pack 1 in a lying down state. It consists of a second pick-up member (24a) and the second operating member (24b) for moving the second pick-up member (24a) upright and vertically supplied to the discharge transfer path (22a) of the discharge conveyor (22).

Here, the second operation member 24b is provided as a robot to move the second pickup member 24a in at least two directions or more and to rotate about any one or more selected on the X, Y, and Z axes.

Hereinafter, a molding method by the battery pack molding apparatus of the present invention will be described with reference to FIGS. 2 to 18.

First, the battery pack 1 is supplied through the supply conveyor 21 as shown in FIG. 4 (S10). The battery pack 1 may be supplied in a state where a protection circuit module (PCM) and a positive temperature coefficient (PTC) are coupled to each other, and may be supplied in a state where the upper cap is coupled together.

The battery pack 1 supplied here is transferred in an upright state and is switched to the state in which it is laid down by the direction switching lever 21b at the end of the supply conveyor 21. The lying down battery pack 1 is fixed by the fixing member 21c to be picked up from the first pickup unit 23 on the top of the battery pack 1.

Thereafter, the first pickup unit 23 picks up the lying down battery pack 1 and ascends it, moves in a diagonal direction, and simultaneously moves the battery pack 1 into a molding unit as shown in FIG. 5. 30).

At this time, the fixing member 21c is released from the battery pack 1 and the upper mold 31a of the mold 31 to which the battery pack 1 is to be supplied is lifted by the first lifting member 35. do. When the first pickup unit 23 is installed in a diagonal direction of 45 degrees, the first pick-up unit 23 moves in a diagonal direction and rotates at an angle of 135 degrees, and then rests on the receiving portion 31c formed in the lower mold 31b of the mold 31. Return to its original position or pick up the next battery pack (1).

Then, the first lifting member 35 positioned below the mold 31 is operated to lower the upper mold 31a, and the turntable 34 on which the mold 31 is installed is rotated at a constant angle.

Thereafter, as shown in FIGS. 6 to 7 of the molding unit 30, the molding driving unit 33 transfers the nozzle 32a of the injection unit 32 to closely contact the supply molding flow path 31d of the mold 31. The first backup member 37a is raised to support the lower part of the mold 31. The second backup member 37b presses and supports the mold 31 from the upper side, and the third backup member 37c presses and supports the mold 31 on the opposite side of the nozzle 32a.

Thereafter, the pumping part 32b of the injection part 32 is pumped to inject the molding material (S20). At this time, the injected molding material is supplied to one side of the battery pack 1 through the nozzle 32a and the supply molding flow path 31d, and air is discharged to the other side of the mold by the supplied molding material.

Thereafter, when the injection of the molding material is completed, the pumping of the pumping part 32b is stopped, and at the same time as the stoppage, the molding driving part 33 reverses the nozzle 32a to return to the original position. Then, the first backup member 37a is lowered, the second backup member 37b is lifted from the upper side to release the pressurization of the mold 31, and the third backup member 37c is reversed to the opposite side of the nozzle 32a. The mold 31 is released from pressure.

Then, it is cured by drying for a predetermined time (S30). The drying time here takes place while the turntable 34 is rotating. And the drying time varies the rotation setting of the turntable 34 according to the material of the molding material.

Thereafter, as shown in FIGS. 10 to 11, the second lifting member 36 at the lower side is operated to lift the upper mold 31 a to take out the molded battery pack 1. At this time, the backup pin 38 penetrates through the first entry hole 31a 'of the upper mold 31a and fixes the battery pack 1 at the upper side before the upper mold 31a is raised, thereby raising the upper mold 31a. At the same time to prevent the battery pack 1 to rise along.

Thereafter, the third pickup unit 42 picks up the battery pack 1. Here, the third pickup member 42a picks up the battery pack 1, and at the same time as the pickup, the eject pin 39 rises through the lower mold 31b and rests on the lower mold 31b. Eject).

Then, the ejected battery pack 1 is moved and disposed in the center of the cutter 41b of the trimming unit 41 as shown in FIG. 12. The cutter 41b is brought into close contact with both sides of the arranged battery pack 1 by the cutter driving member 41b, and the third pick-up member 42a moves the battery pack 1 in a close contact with the battery pack 1. The gate attached to 1) is removed (S40).

Thereafter, the third pick-up member 42a is seated on the rotating member 51 of the turning conveyor 50 as shown in FIG. 13 with the gate removed, and returns to the original position. And the turning conveyor 50 is rotated 180 degrees at the same time as the rotating member 51 moves as shown in FIG.

Thereafter, the second pickup member 24a of the second pickup unit 24 picks up the rotated battery pack 1 in the lying state as shown in FIGS. 15 to 16, and discharges and discharges the discharge conveyor 22. The path 22a is vertically seated as shown in FIG. 17.

After the discharge conveyor 22 is transported or discharged to perform the next process of the battery pack (1) (S50).

The technical idea of the battery pack molding apparatus and method thereof according to the present invention has been described above with reference to the accompanying drawings, but this is by way of example and not by way of limitation.

Therefore, it is obvious that any person skilled in the art can make various modifications and imitations such as dimensions, shapes, structures, etc. without departing from the scope of the technical idea of the present invention.

As described above, the battery cell molding apparatus and its method improve the productivity of the battery pack by automatically molding a protection circuit module (PCM) and a positive temperature coefficient (PTC) installed in the battery pack. It works.

Claims (19)

A base table; A conveyor installed on the base table, the conveying path of which is provided such that a protection circuit module (PCM) and a battery pack supplied with a PTC (Positive Temperature Coefficient) protected by an upper cap are transported; And Injecting a molding material into the battery pack transported along the transfer path to integrate a protection circuit module (PCM), a positive temperature coefficient (PTC) and an upper cap coupled to the battery pack to the battery pack. Battery pack molding apparatus comprising a molding unit. The method of claim 1, Battery pack molding apparatus, characterized in that the molding material is a liquid. delete The method of claim 1, The conveyor includes a supply conveyor for supplying the battery pack to the molding unit; And Battery pack molding apparatus comprising a discharge conveyor for discharging the battery pack is completed molding in the molding unit. The method of claim 4, wherein The conveyor may include a first pickup unit which picks up the battery pack of the supply conveyor and supplies the battery pack to the molding unit; And And a second pickup unit configured to transfer the completed battery pack to the discharge conveyor. The method of claim 1, wherein the molding unit A mold having an accommodating part accommodating the battery pack to mold the battery pack and having a molding flow path of the molding material provided therein; An injection part provided with a nozzle to inject the molding material into the mold; And And a transfer part configured to transfer the nozzle to the mold when the molding material is injected into the battery pack accommodated in the mold. The method of claim 6, The mold is provided with a plurality, the battery pack molding apparatus, characterized in that it comprises a turntable in which a plurality of molds are arranged radially to have a circulation cycle. The method of claim 6, The mold includes a first lifting member and a second lifting member for receiving the battery pack in the accommodating portion, and opening the mold so as to withdraw the molded battery pack. The method of claim 8, The first and second elevating members lift and lower the upper mold of the mold, and the battery pack molding apparatus according to claim 1, wherein the first and second lift units are interlocked with each other. The method of claim 9, The second lifting member is a battery pack molding apparatus, characterized in that the backup mold to prevent the separation in the receiving portion and the battery pack is separated from the upper mold by the rising of the upper mold. The method of claim 9, And the second elevating member includes an eject pin that separates the battery pack from the lower mold when the battery pack is withdrawn from the accommodating part in the raised state of the upper mold. The method of claim 1, The molding unit is a battery pack molding apparatus, characterized in that a backup member is included to support the mold when the injection molding material into the mold. The method of claim 12, The backup member may include a first backup member supporting a lower portion of the mold at a predetermined height; A second backup member for backing up by pressing the mold from the top; And And a third backup member supporting the battery pack in a direction opposite to the injection direction of the mold. The method of claim 1, And a trimming unit disposed on the base table to remove a gate of a molding material protruding from the molding pack, in which the molding unit is completed. The method of claim 14, The trimming unit is a battery pack molding apparatus, characterized in that it comprises a third pickup unit for picking up and supplying a molded battery pack in the molding unit. The method of claim 14, The trimming unit may include a cutter for cutting a gate of the battery pack; And And a cutter driving member for varying a width of the cutter according to a gate cutting position of the battery pack. The method of claim 14, One side of the trimming unit is a battery pack molding apparatus, characterized in that it comprises a redirection conveyor for switching the direction of the battery pack while transferring the battery pack of the trimming is completed. A battery pack supplying step of supplying a battery pack having a protection circuit module (PCM), a positive temperature coefficient (PTC), and a cover protecting the same; A molding step of molding by injecting molding material into one side of the supplied battery pack; A gate removing step of removing a gate attached to the molded battery pack; Battery pack molding method comprising the step of discharging the finished battery pack. The method of claim 18, The molding step is a battery pack molding method comprising a drying step of drying the molding material injected into the battery pack to be cured.

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