KR20060055055A - Battery cell automatic welding machine - Google Patents

Abstract

The disclosed battery cell automatic welding device includes a transfer conveyor for transferring a battery cell to be welded at a predetermined distance from the main body and the main body, and a first welding unit and a main body for welding the connection material welded to the battery cell to one side of the battery cell. Installed in the main body and the second welding unit for welding the connecting material to the other side of the battery cell welded to one side through the first welding unit and the battery cell between the transfer conveyor and the first and second welding units At least one transfer unit is provided.

Battery Cell, Nickel Plate, Welding

Description

Battery Cell Automatic Welding Device {BATTERY CELL AUTOMATIC WELDING MACHINE}

Figure 1a is a perspective view showing a first welding unit of the battery cell automatic welding device of the present invention,

Figure 1b is a perspective view showing a second welding unit of the automatic battery cell welding device of the present invention,

Figure 2 is a block diagram showing the operation of the automatic battery cell welding device of the present invention,

3 is a perspective view illustrating an operation of adsorbing a battery cell to a first transfer part illustrated in FIG. 1A;

4 is a perspective view illustrating an operation of checking a voltage of a battery cell in the first transfer unit illustrated in FIG. 3;

5 is a cross-sectional view showing a welding operation of a first welding part for the battery cell shown in FIG. 1;

6 is a partial perspective view illustrating an operation in which a battery cell is seated in a second seating part shown in FIG. 1B;

FIG. 7 is a partial perspective view illustrating the first and second welding parts illustrated in FIGS. 1A and 1B.

** Explanation of Signs of Major Parts of Drawings **

100: main body 110: transfer conveyor

150 control unit 200 first welding unit

300: second welding portion 220, 320: air discharge unit

460: first transfer unit 470: second transfer unit

480: first welding unit 490: second welding unit

550: voltage inspection unit 600: first seat

700: second seating portion 800: detector

900: cleaning unit

The present invention relates to an automatic battery cell welding apparatus, and more particularly, when one side of the battery cell is welded by welding a connecting material such as a nickel plate to the battery cell, the battery cell is automatically welded. The present invention relates to a battery cell automatic welding device for welding.

In general, a portable electronic device such as a cellular phone or a portable computer is operated by mounting a battery, and suitable power for driving a battery cell that supplies power to the portable electronic device. Connection materials, such as nickel plates, to be supplied from the outside are welded in series or in parallel.

In the description of the conventional welding method for the connection material of the battery cell, a battery pack mounted on a mobile phone will be described as an example.

The battery pack of the mobile phone is connected to the case and the battery cell mounted inside the case and the connecting material such as nickel plate which is welded to the battery cell and the electrical connection is protruded outside the case to receive power from the outside.

In the battery pack as described above, the method of welding the connection material to the battery cell is as follows.

When the battery cell to be welded is transferred to the operator through the transfer conveyor, the operator checks the voltage of the plurality of battery cells to be transferred, selects only the battery cells of good quality, and then attaches the battery cells to the seating jig of the welder. The connection material to be welded is seated in sequence.

Subsequently, the operator sends a signal to the welder to weld the connection material in contact with one side of the battery cell, and bands along one side of the battery cell to weld the connection material to the other side of the battery cell, as described above. After positioning the other side of the battery cell to be welded to the seating part, the welding is performed.

As described above, when welding the connecting material to one side and the other side of the battery cell, the welding must be performed twice by manual labor of the operator, and before that, a voltage test is performed to screen the good or bad of the battery cell. However, the production time decreases because of the increase in the working time accordingly.

In addition, even if the connection material is welded to the battery cell of the good product in the above manner, when the welded and connected position of the connection material welded to one side and the other side of the battery cell is welded by the wrong, there is a high possibility of causing product defects There is a problem in quality improvement.

Therefore, the present invention is devised to solve the above problems, the object of the present invention is to automatically insert the battery cell to be welded to weld one side, but if the good quality by performing a voltage test before welding automatically By welding, welding the connecting material to one side of the battery cell and bending to the other side of the battery cell to automatically weld the other side of the battery cell, thereby reducing labor and reducing working time and the product. It is to provide a battery cell automatic welding device that can improve productivity and quality.

Automatic battery cell welding device of the present invention and the main body; A transport conveyor for transporting the battery cells to be welded spaced apart from the main body; A first welding unit installed at the main body to weld the connection material welded to the battery cell to one side of the battery cell; A second welding unit installed in the main body, the second welding unit welding the connection material to the other side of the battery cell in which one side is welded through the first welding unit; And a control unit installed at the main body to control the operation of the conveying conveyor, the conveying unit, and the first and second welding units, the at least one conveying unit for drawing / drawing the battery cell between the conveying conveyor and the first and second welding units. Equipped.

Here, the transfer unit, the transfer unit body provided on the main body, a moving body for linear movement along the guide hole of the transfer unit body, a drive unit mounted on the moving body and driving up and down, and installed at one end of the drive unit the battery cell Adsorption unit for adsorbing, and pressing means installed to move up and down to the driving unit so as not to press the one surface of the battery cells adsorbed to the adsorption unit.

In addition, the transfer unit is preferably composed of the first and second transfer unit on the first and second welding unit side.

In addition, the adsorption unit may be installed to rotate through the rotation means installed on the drive unit.

In addition, the suction unit and the pressing means of the transfer unit is electrically contacted with the battery cell to measure the voltage of the battery cell and the voltage value measured from the test pin by comparing with the predetermined voltage value process It is preferable that a voltage inspection unit configured as a comparison control unit for controlling the additionally.

In addition, the first welding unit is installed on the main body, the connection material is seated, the first seating portion for seating the battery cell supplied to the transfer conveyor and guides the welding position, and the first seating portion And a first welding part installed at the welding material to weld the connection material guided to the welding position to one side of the battery cell.

Here, the main body has a bending unit including at least one roller for bending the battery cell welded to one side of the battery cell through the first welding unit to be in close contact with the battery cell, and a power means for driving the roller. This may be installed further.

The first seating part has a seating hole in which the connection material is seated, and has a seating plate which is connected to a rotating shaft and rotated, and a detector for detecting the presence or absence of the seating material is further installed in the seating hole. It is good to be.

In addition, the second welding unit is a battery cell to which the connection material is welded through the first welding unit is transported through the transfer portion is seated, the second seating portion for fixing the four sides of the battery cell, and the second And a second welding part for welding the connection material to the other side of the battery cell seated on the seating part.

Here, the second seating portion is provided with XY width adjusting means and the XY width adjusting means so as to variably fix the four sides of the battery cell of a predetermined size, is installed on the main body is movable in the X, Y direction And a second seating body to adjust the welding position of the battery cell.

In addition, a variable rail is mounted on the main body to change the position of the second seating body in all directions on the second seating part, and an adjustment lever may be further installed to enable the variable position in all directions along the variable rail. .

In addition, the upper portion of the XY width adjusting means is preferably provided with a support pin mounted to be inserted and projected so as to support both sides of the connection material to prevent left and right distortion when welding the connection material to the battery cell.

Here, the first and second welding parts are installed on the main body, are installed in the lower portion of the first, second seating portion is installed by being mounted to the welding rod fixing member and the welding rod fixing member installed so as to be moved up and down through the power means; Consists of a welding rod, the cleaning unit for cleaning in contact with the end of the welding rod in the vicinity of the first and second welding parts is preferably installed.

The cleaning unit includes a plurality of polishing members, such as diamonds, for polishing the end of the electrode, an abrasive member fixing plate to which the abrasive member is attached, and an abrasive member fixing part for driving up and down by the abrasive member fixing plate. It is composed of a cylinder which is connected to the government to allow the horizontal movement.

In addition, the air discharging unit may be further installed in the first and second welding parts so as to remove the foreign matters of the welding rod by discharging air mounted on the first and second welding parts and forming a predetermined pressure.

Hereinafter, with reference to the accompanying drawings will be described in more detail the configuration of the battery cell automatic welding device of the present invention.

1A to 2, a battery cell automatic welding device of the present invention includes a conveying conveyor 110 for conveying a main body 100 and a battery cell 50 to be welded at a predetermined distance from the main body 100. Is installed in the main body 100, the first welding unit 480 for welding the connecting material 60, such as nickel plate to one side of the battery cell by inserting the battery cell 50, and is installed in the main body 100, The connecting material 60 drawn out from the first welding unit 480 and conveyed through the conveying conveyor 110 is introduced into the battery cell 50 welded to one side thereof and then banded to the other side of the battery cell 50. The second welding unit 490 for welding the other end of the connecting material 60 and the transfer conveyor 110 and the control unit 150 for controlling the operation of the first and second welding units 480, 490.

Here, at least one bending the battery cell 50 welded to one side of the battery cell 50 through the first welding unit 480 to be in close contact with the battery cell 50 in the main body 100. A bending unit (not shown) composed of a roller (not shown) and a power means for driving the roller may be further installed, and a worker may bend the connection material 60 directly as described above.

The first welding unit 480 is installed on the main body 100 so that the connection material 60 is seated, and the first seating part 600 on which the battery cell 50 supplied through the transfer conveyor 110 is seated. And a first welding part 200 installed below the first seating part 600 to weld the connection material 60 seated in the seating hole 611 of the seating plate 610 to one side of the battery cell 50. And a battery cell 50 installed on the main body 100, picking up the battery cell 50 from the conveying conveyor 110, transferring the battery cell 50 to the first seating part 600, and welding the battery cell 50 welded through the first welding part 200. It includes a first transfer unit 460 for transferring to the conveying conveyor (110).

The first conveying unit 460 is installed on the main body 100, the conveying unit body 420, the guide hole 410 is formed, and is mounted to the conveying unit body 420 is powered from a power means (not shown) such as a motor Receiving the movable body 510 is installed to perform a linear motion through the guide hole 410, the driving unit 520 is installed in the movable body to drive up and down through a driving means (not shown), such as a cylinder, the driving unit 520 An adsorption part 530 provided at one end and an adsorption member 532 provided with an adsorption hole 532a for providing a vacuum force to adsorb the battery cell 50, and a battery cell adsorbed to the adsorption part 530; It consists of a pressing means 542 provided in the drive unit 520 to move up and down by driving the cylinder 541 to support the upper surface of 50.

The suction member 532 of the suction part 530 sucks the battery cell 50 on the driving part 520, and then rotates at a right angle so that the rotation guide member 531 is connected to the rotating means 533 such as a motor. It is connected to and installed.

On the other hand, the adsorption member 532 and the pressing means 542 of the first transfer unit 460 to be in electrical contact with the battery cell 50 adsorbed by the adsorption member 532 so that the voltage of the battery cell 50 is measured. As shown in FIG. 3, the test pins 532b and 542a are additionally installed, and the control unit stops the welding process when the voltage values measured through the test pins 532b and 542a deviate from a predetermined normal voltage range. A voltage inspecting unit 550 including a comparison control unit (not shown) that sends a signal to 150 is additionally installed.

In addition, the first seating part 600 includes a seating plate 610 in which a plurality of seating holes 611 are formed to seat the connecting material 60, and a rotating shaft 620 connected to the seating plate 610 under the motor. It is installed to rotate on the main body 100 through a power means (not shown), and the like, a sensor such as a proximity sensor, an optical sensor, an ultrasonic sensor, which detects the presence or absence of the connection material 60 under the seating hole 611 ( The sensing unit 800 on which the 810 is mounted is further installed.

Referring to FIG. 1B, the second welding unit 490 is a second material in which the connection material 60 transferred from the conveying conveyor 110 sucks the battery cell 50 welded to one side and transports it to the welding position. The transfer part 470 and the battery cell 50 transferred through the second transfer part 470 are seated, and a second seating part 700 for fixing all sides of the battery cell 50, and a second seating part ( The second welding part 300 for welding the non-welded surface of the connection material welded to one side of the battery cell 50 seated on 700.

The second transfer part 470 is installed on the main body 100 and has the same configuration as the first transfer part 460, but the test pin 542a is not provided on the pressing means 542.

The second seating part 700 contacts and supports the four sides of the battery cell 50 having a predetermined size, and has an XY width adjusting means 725 so as to be variably fixed according to the size of the battery cell 50. Width control means 725 is installed, the variable cell 740 is installed on the main body 100 so as to be movable in the X, Y direction by installing the control lever 741, 742 to change the position of the battery cell It consists of a second seating body 730 to adjust the welding position of (50).

The XY width adjusting means 725 is composed of an X direction fixing bar 710 whose width is adjustable in the X direction, and a Y direction fixing bar 720 whose width is adjustable in the Y direction.

In addition, a support piece 721 is formed on the Y-direction fixing bar 720 to support both sides of the battery cell 50, and is installed to be variable along the moving hole 722.

X-direction fixing bar 720 of the XY width adjusting means 725 is prevented from twisting the left and right of the connecting material 60 when welding the one surface of the battery cell 50 is mounted and seated on the connecting material 60 is mounted. A plurality of support pins 711 are mounted to be inserted into the protrusion so as to be additionally installed.

Meanwhile, referring to FIGS. 1B and 5, the first and second welding parts 200 and 300 are installed on the main body, and are installed below the first and second seating parts 600 and 700 to provide power means (not shown). It is composed of welding rod fixing members 210 and 310 installed to be raised and lowered and rotated, and welding rods 211 and 311 fitted to the welding rod fixing members 210 and 310, and the first and second welding parts 200 and 300. In the vicinity of the cleaning unit 900 which is in contact with the end of the welding rods (211, 311) for cleaning is further installed.

The cleaning unit 900 powers an abrasive member 931, such as diamond, for polishing the end of the electrode 211, an abrasive member fixing plate 930, and an abrasive member fixing plate 930 to which the abrasive member 931 is attached. It is composed of a polishing member fixing part 920 to receive and move up and down and a cylinder 910 to horizontally move the polishing member fixing part 920.

Referring to FIG. 7, foreign substances formed in the welding rods 211 and 311 by discharging air through the pressure providing device (not shown) are mounted on the welding rod fixing members 210 and 310 in the first and second welding parts 200 and 300. Air discharge unit (220, 320) is further installed to remove the.

Next will be described the operation and effect through the operation of the battery cell automatic welding device of the present invention having the configuration as described above.

1A to 2, the transfer kenvey 110 is transported near the first welding unit 480 in a state in which a battery cell 50 to be welded with a connection material 60 such as a nickel plate is seated on an upper surface thereof. Let's do it.

Referring to FIG. 3, the moving body 510 of the transfer unit body 420 of the first transfer unit 460 receives power from the power means in a state of being fitted into the guide hole 410 of the transfer unit body 420, thereby transferring the transfer conveyor ( The battery cell 50 is moved to the upper position transferred through the 110.

The driving unit 520 mounted on the moving body 510 is lowered by the lowering operation of the cylinder 541, and the adsorption member 532 of the adsorption unit 530 installed at one end of the driving unit 520 is connected to the battery cell 50. In contact with each other, a vacuum is formed in the adsorption hole 532a of the adsorption member 532 from the vacuum forming apparatus so that the battery cell 50 is adsorbed.

Subsequently, the driving part 520 is raised, and the rotation guide member 531 connected to the upper part of the first welding part 200 through the movable body 510 and rotated through the rotation means 533 is perpendicular to the upper side. It rotates to allow the battery cell 50 to stand in a vertical state.

On the other hand, in the plurality of seating holes 611 formed on the outer circumferential portion of the seating plate 610 of the first seating part 600, the rotating shaft 620 is rotated in a state in which the connecting material 60 is seated so that the upper side of the first welding part 200 is located. In this case, the connection material 60 is mounted to the seating hole 611 by a sensing unit 800 in which a sensor 810 such as a proximity sensor, an optical sensor, and an ultrasonic sensor installed below the seating plate 610 is installed. The presence or absence of seating is detected.

When it is confirmed that the connection material 60 is seated by the detector 810, the driving unit 520 performs a lowering operation, and the adsorption member 532 of the adsorption unit 530 of one end of the driving unit 520 is a battery cell. The lower surface of the battery cell 50 is in contact with the connection material 60 while adsorbing the 50.

When the welding preparation state is completed as described above, the pressing means 542 mounted on the driving unit 520 is lowered by the cylinder 541 to press the upper surface of the battery cell 50.

At this time, referring to Figure 4, the pressing means 542 and the suction member 532 of the suction unit 530, the test pins 542a, 532a are electrically connected to the upper and side surfaces of the battery cell 50 Electrically connected to measure the voltage, and then sends the measured voltage value to the controller 150.

Accordingly, when the controller 150 is out of the normal voltage range preset, the controller 150 prevents the welding process from proceeding further, and when the voltage value of the battery cell 50 is included in the normal voltage value range, Through the operation of the first welding unit 200 to perform a welding process of the connection material 60 and the lower surface of the battery cell 50.

Subsequently, referring to FIG. 5, the welding rod fixing member 210 of the first welding part 200 performs an ascending operation through power means such as a cylinder, and is connected to the seating hole 611 of the seating plate 610. After welding the material 60 to the bottom surface of the battery cell 50, the electrode 211 is connected to the connecting material 60 by rotating the electrode fixing member 210 at an arbitrary angle and returning it to its original position through the power means. ) Is easily prevented from generating foreign substances at the end of the electrode 311.

After welding the connecting material 60 to the lower surface of the battery cell 50 through the first welding unit 200 as described above, the first transfer unit 460 takes out the battery cell 50 in the opposite operation to the above operation. It is seated on the conveying conveyor (110).

At this time, the other end of the connection material 60 welded to the lower surface of the battery cell 50 should be bent along the side of the battery cell 50 to the upper surface of the battery cell 50, which is performed by a worker by hand or in the drawing. It may be banded through a bending device provided with a separate bending means not shown.

That is, the banding device is to be bent by rolling the connecting material 60, which is bent in the state where the battery cell 50 is fixed, in a state in which the connecting material 60 is in close contact with the side of the battery cell 50 through bending means such as a roller. It is composed.

Of course, the bending means is not limited to the roller, but any device capable of bending a piece of metal is applicable.

Subsequently, as shown in FIG. 1B, the connecting material 60 is bent and attached to the battery cell 50, which is attached to the battery cell 50, by the transfer conveyor 110. An operation of the second welding unit 490 for welding the other end will be described.

In order to adsorb the battery cells 50 transferred from the transfer conveyor 110, the second transfer unit 470 performs the same operation as that of the first transfer unit 460 illustrated in FIG. The battery cell 50 is positioned above the second seating part 700 installed at the upper part.

At this time, the battery cell 50 adsorbed by the adsorption member 532 is in a vertical state, the surface where the connection material 60 is not welded from the first welding unit 480 is positioned downward.

Subsequently, the operator uses the XY width adjusting means 725 installed on the second seating part 700 to fix the four sides of the battery cell 50 to be welded. The X-direction fixing bar 710 corresponding to both sides is installed. ) Is adjusted to the size of the battery cell 50, and the XY width of the battery cell 50 by varying the position of the plurality of support pieces 711 through the Y-direction fixing bar 720 through the moving hole 722. You can adjust it to fit.

In addition, the XY width adjusting means 725 is variable in the XY direction through the variable rail 740 mounted below the second seating body 730, which may change the position by adjusting the control levers (741, 742). It can be.

In the state in which the width adjustment of the battery cell 50 is completed as described above, the adsorption part 530 of the second transfer part 470 performs the lowering operation like the first transfer part 460, and thus the second seating part 700. It is seated and fixed to the XY width adjusting means 725 of the), and at this time, the pressing means 542 installed in the second conveying part 470 is lowered through the operation of the cylinder to press and support the upper surface of the battery cell 50 at the same time do.

In addition, referring to FIG. 7, when the support pin 711 is installed on the corresponding X-direction fixing bar 710 installed to be inserted into and protruded to the inside thereof, the battery cell 50 is positioned, and the battery cell 50 is positioned therein. By supporting both sides of the connecting material 60 to be welded to the bottom surface it is possible to effectively prevent the welding position is distorted during welding.

Subsequently, after the battery cell 50 is seated on the second seating part 700 as described above, the welding rod fixing member 310 of the second welding part 300 installed below the second seating part 700 is the first welding part. In the same manner as the operation of the 200, the welding operation of the connecting material 60, which is bent and positioned on the lower surface of the battery cell 50 through the welding rod 311.

Here, the rotating operation of the welding rod fixing member 310 is the same as above.

After the connection material 60 is welded to the lower surface of the battery cell 50 as described above, the second transfer part 470 finishes the process by drawing the battery cell 50 that has been welded to the transfer conveyor 110.

On the other hand, the first and second welding parts 200 and 300 installed in the first and second welding units 480 and 490 have a predetermined number of times of welding, and foreign substances are generated at the ends of the welding rods 211 and 311. In order to receive a predetermined pressure from the pressure providing device (not shown) to the air holding unit (210, 310) to the air discharge unit (220, 320) for discharging the air is installed separately, the welding rod (211, 311) to the air You can clean it.

In addition, the welding rod fixing members 210 and 310 may be rotated at an angle every time the welding of the connecting material 60 to the battery cell 50 to prevent the foreign matter from sticking during welding.

Referring to FIG. 5, foreign substances are generated at the ends of the welding rods 211 and 311 due to the repeated welding operation. In order to remove them, the cleaning unit 900 is further added near the first and second welding portions 200 and 300. Is installed.

The operation of the cleaning unit 900 will be described below.

The polishing member fixing part 920 which is moved up and down to move the polishing member 931 to the electrodes 211 and 311 after the predetermined number of times of welding has lifted the polishing member fixing plate 930 and then lifts the polishing member 931. The cylinder 910 is connected to the polishing member fixing part 920 so as to be linearly positioned and positioned on the upper sides of the welding rods 211 and 311.

Subsequently, the polishing member fixing part 920 lowers the polishing member fixing plate 930 to bring the polishing member 931 in contact with the ends of the welding rods 211 and 311, and moves the polishing member fixing plate 930 by a certain distance to the rear by the cylinder 910. The ends of the electrodes 211 and 311 are polished by the polishing member 931.

The polishing member fixing part 920 raises the polishing member fixing plate 930 and then returns to the original position to finish the cleaning of the ends of the electrodes 211 and 311.

As described above, according to the battery cell automatic welding device of the present invention, in order to weld the nickel plate connected to the battery cell, the voltage of the battery cell is inspected in advance when it is brought into the welding position, and transferred to the seating position to weld the battery. By welding the connecting material to one side of the cell, and automatically welding the connecting material banded to the other side of the battery cell, automating the welding process of the connecting material to the battery cell as described above to perform the uniform work of unnecessary labor At the same time to prevent the loss and reduce the working time has the effect of increasing the work efficiency.

In addition, if the above welding process is performed for a predetermined number of times or more, the polishing member formed by the diamond of the cleaning part slides in contact with the polishing rod to clean and clean the end of the electrode to efficiently remove foreign substances generated at the end of the electrode, thereby preventing welding defects. Can improve the quality.

Claims (16)

main body; A transport conveyor for transporting the battery cells to be welded by being installed at a predetermined distance apart from the main body; A first welding unit installed at the main body to weld the connection material welded to the battery cell to one side of the battery cell; A second welding unit installed in the main body, the second welding unit welding the connection material to the other side of the battery cell in which one side is welded through the first welding unit; And And at least one transfer part installed at the main body to draw / draw the battery cell between the transfer conveyor and the first and second welding units. The method of claim 1, The transfer unit includes a transfer unit body installed on the main body, a moving body linearly moving along the guide hole of the transfer unit body, a driving unit mounted on the moving body and driven up and down, and installed at one end of the driving unit to suck the battery cell. And a pushing unit installed to lift up and down the driving unit so as not to push down one surface of the battery cell adsorbed to the suction unit. The method of claim 2, The adsorption unit is a battery cell automatic welding device, characterized in that installed to rotate through the rotating means installed on the drive. The method of claim 2, The suction part and the pressing means of the transfer part electrically contact the battery cell to control the process by comparing a test pin and a voltage value measured from the test pin with a predetermined voltage value to measure the voltage of the battery cell. Battery cell automatic welding device, characterized in that the voltage inspection unit is further configured to be configured as a comparison control unit. The method of claim 1, The first welding unit is installed on the main body, the connection material is seated, the first seating portion for seating the battery cell supplied to the transfer conveyor and guides to the welding position, and installed below the first seating portion And a first welding part for welding the connection material guided to the welding position to one side of the battery cell.  The method of claim 1, The main body further includes a bending unit including at least one roller for bending the battery cell welded to one side of the battery cell through the first welding unit to be in close contact with the battery cell, and power means for driving the roller. Battery cell automatic welding device characterized in that it is installed. The method of claim 5, The first seating portion is formed with a seating hole in which the connection material is seated, and is provided with a seating plate which is connected to a rotating shaft and rotated, and a detector for detecting the presence or absence of the seating material is further installed in the seating hole. Battery cell automatic welding device characterized in that. The method of claim 1, The second welding unit is a battery cell welded to the connection material through the first welding unit is transported through the transfer portion is seated, the second seating portion for fixing the four sides of the battery cell, the second seating Battery cell automatic welding device comprising a second welding part for welding the connecting material to the other side of the battery cell seated on the part. The method of claim 8, The second seating portion is provided with an XY width adjusting means and the XY width adjusting means so as to variably fix the four sides of the battery cell of a predetermined size, it is installed on the main body to be movable in the X, Y direction Battery cell automatic welding device, characterized in that consisting of a second seating body to adjust the welding position of the battery cell. The method of claim 8, The second seat portion is equipped with a variable rail is mounted on the main body to change the position of the second seating body in all directions, the battery is characterized in that the adjustment lever is further installed to enable the position variable in all directions along the variable rail Cell automatic welding device. The method of claim 8, When the welding material is welded to the battery cell, the upper part of the XY width adjusting means supports the both sides of the connecting material to support the side of the battery cell, characterized in that the support pin is additionally installed so as to be inserted and inserted to prevent the left and right distortion Welding equipment. The method according to claim 5 and 8, The first and second welding parts are installed on the main body, and are installed on the lower part of the first and second seating parts, and are provided with a welding rod fixing member installed to be moved up and down and rotated by a power means, and a welding rod fitted to the welding rod fixing member. Battery cell automatic welding device, characterized in that configured. The method of claim 12, The battery cell automatic welding device, characterized in that the cleaning unit which is in contact with the end of the welding rod to perform cleaning in the vicinity of the first and second welding parts. The method of claim 13, The cleaning part is connected to the polishing member fixing part and the polishing member fixing part which are driven up and down by driving the polishing member fixing plate and the polishing member fixing plate to which the polishing member is attached, and the polishing member fixing plate to polish the end of the electrode. Battery cell automatic welding device, characterized in that consisting of a cylinder to move horizontally. The method of claim 14, Battery cell automatic welding device, characterized in that the abrasive member is diamond. The method of claim 12, And the air discharging unit is installed on the first and second welding parts so that the foreign matters of the welding rod are removed by discharging air having a predetermined pressure and mounted on the first and second welding parts.

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