KR20050003643A - Battery cell welding machine and welding method using the same - Google Patents

Abstract

PURPOSE: A battery cell welding machine of a smart battery and a welding method using the same are provided to perform a manufacturing process of the battery automatically and thus to reduce the labor loss and shorten the working time, thereby improving the work efficiency. CONSTITUTION: The battery cell welding machine(1) comprises a main body(2); a battery cell providing part(3) equipped with a battery cell drawing jig and a cell box discharger; a test module(4) equipped with a test jig, a test pin and a defective cell transferring conveyer; a cell transferring conveyer(5) for transferring a battery cell supplied from the drawing jig; a positioning module(6) for arranging the position of an electrode in the battery cell; a guide panel(21) for guiding the battery cell; a plate fixing jig(7); a battery cell fixing module(8) for fixing the battery cell onto the upper portion of the guide panel(21); a welding module(9) for welding plates in the plate fixing jig(7) in multiple times; an unloading module(10) for unloading the welded battery cell from the guide panel(21); and a control part(22) for controlling operation of each elements and displaying the voltage value of tested battery cell via a screen.

Description

Battery cell welding device for smart battery and its method {BATTERY CELL WELDING MACHINE AND WELDING METHOD USING THE SAME}

The present invention relates to a battery cell welding device and method of a smart battery.

In general, portable electronics such as notebooks are supplied with a constant power through a smart battery. Such a smart battery connects a plurality of battery cells in series or in parallel to supply power suitable for electronic products.

Conventionally, smart batteries have been inspected for good or bad of each battery cell through a functional test device for measuring voltage, and after being inspected with a predetermined number of battery cells in a jig, bundled by double-sided tape, each battery After the welding process of welding the plate to the electrode of the cell, it is packaged and produced as a real product.

However, in the conventional method of welding a battery cell of a smart battery as described above, the voltage measurement of each battery cell is performed manually by a separate functional inspection device, and the welding of the plate is also performed manually by a manual spot welder. It requires a large number of workers. As a result, unnecessary labor is consumed, and this loss of labor is a factor in raising product costs.

In addition, each worker carries out the functional test work of the battery cell → jig fixing and taping of the battery cell → plate welding work in a specialized way to transfer the finished battery cell to the next process, or battery cells housed in the jig There is a problem that the work efficiency is lowered because it must be transferred to the welding process one by one.

On the other hand, conventionally, when fixing a predetermined number of battery cells to the jig, the electrodes of each battery cell should be alternately positioned, so that if the electrode position of the battery is not properly positioned due to the operator's carelessness, there is a problem have.

Accordingly, the present invention was devised to solve the general problems of the battery cell welding method of the conventional smart battery,

An object of the present invention is to provide a battery cell welding device and method of smart battery that can improve the work efficiency by reducing the work time and at the same time to prevent unnecessary labor by automating the work process to perform uniform work In providing.

1 is a plan view showing the overall configuration of a battery cell welding device of a smart battery according to the present invention.

Figure 2a is a plan view showing a configuration of a battery cell preparation in the battery cell welding apparatus according to the present invention.

FIG. 2B is a configuration diagram of a cell box ejector which is part A of FIG. 2A.

FIG. 2C is a partial cross-sectional view showing the configuration of the drawing jig, which is part B of FIG.

3 is a working state diagram showing the configuration of the inspection module in the battery cell welding apparatus according to the present invention.

4 is a side view showing the configuration of the cell transfer conveyor and the position adjustment module in the battery cell welding apparatus according to the present invention.

5 is a plan view showing the operation state of the plate fixing jig in the automatic battery cell welding apparatus according to the present invention.

Figure 6a is a side view showing the configuration of the cell fixing module in the battery cell welding apparatus according to the present invention.

Figure 6b is a plan view showing the configuration of a cell fixing module in the battery cell welding apparatus according to the present invention.

Figure 7a is a block diagram showing the operating state of the welding module in the battery cell welding apparatus according to the present invention.

Figure 7b is a perspective view showing the operating state of the rotation cylinder of the welding module in the battery cell welding apparatus according to the present invention.

8 is a plan view showing the operation state of the extraction module in the battery cell welding apparatus according to the present invention.

9 is a process chart for explaining a battery cell welding method of a smart battery according to the present invention.

<Explanation of symbols for major parts of drawing>

1: Battery cell welding device 2: Body

3: battery cell preparation unit 4: inspection module

5: Cell transfer Kenvey 6: Positioning module

7: Plate fixing jig 8: Cell fixing module

9: welding module 10: extraction module

11: drawout panel 12: reciprocating frame

13: engaging jaw 21: guide panel

22: control unit 31: cell box conveyor

32: withdrawal jig 33: cell box ejector

34,96: X-Y-Z axis working frame 41: Inspection jig

42: test pin 43: defective cell transfer conveyor

51: departure prevention frame 52: inclined portion

61: positioning tool 62: guide rod

63: vertical operation block 71: installation groove

72: welder 73: rotation cylinder

74: round-trip feed port 81: upper fixing plate

82: side fixing plate 83: cam actuator

84: fixing plate 91: welding rod

92: welding rod fixing jig 93: rotating cylinder

94: polishing panel 95: detection sensor

111 cylinder 112 magnet

311: cell box 321: magnet rod

322: stopper 323: working cylinder

324: fixed bar 331: suction hole

411: seating groove 421: fixing member

611 cell fixing groove 612 step motor

621: magnet sphere 811,821: restoring spring

831: first operation cam 832: second operation cam

833: shaft 841: cylinder

C: Battery Cell P: Plate

As a specific means of the present invention for achieving the above object;

main body;

A battery cell preparation unit installed at the front of the main body, the battery cell preparation unit including an extraction jig for drawing out a plurality of battery cells loaded in the cell box and a cell box ejector for discharging the cell box from which the battery cells are drawn;

Installed on one side of the battery cell preparation unit so that the battery cell can be supplied by the withdrawal jig, an inspection jig in which the battery cell is seated, and an inspection pin installed on both sides of the inspection jig, and a defect installed in the lower portion of the inspection jig. An inspection module having a cell transfer conveyor;

A cell transfer conveyor installed at one side of the inspection jig to transfer the battery cell supplied through the takeout jig, at one side thereof with a departure prevention frame, and at an end thereof with an inclined portion;

A positioning module installed at an end of the cell transfer conveyor to align electrode positions of the battery cell;

A guide panel installed at the front of the positioning module to guide the battery cell;

Plate fixing jigs installed on both sides of the guide panel;

A battery cell fixing module installed at an upper portion of the guide panel to fix an upper surface and a side surface of the battery cell;

Welding modules installed on both sides of the battery cell fixing module to weld the plate accommodated in the plate fixing jig a plurality of times;

A extraction module installed at the end of the guide panel to take out the welded battery cell from the guide panel; And

It is achieved by having a battery cell welding device of a smart battery installed in front of the main body to control the operation of each component, including a control unit for displaying the voltage measurement value of the battery cell inspected by the test pin on the screen do.

At this time, the take-out jig is composed of a plurality of magnet rods coupled to the piston shaft of the operation cylinder for reciprocating motion and a stopper for accommodating the magnet rods in the inner diameter, and can transfer a battery cell to the inspection jig and the cell transfer conveyor. So that one end is connected to the XYZ axis working frame.

In addition, the inspection jig is connected to the vertical operation cylinder so that the position can be changed up, down.

The positioning module may include a positioning tool installed at the end of the cell transfer conveyor, a guide rod installed at the rear of the positioning tool and performing horizontal reciprocating motion by a cylinder, and installed directly below the rear of the positioning tool. Consists of up and down operation blocks to exercise.

In addition, the positioning tool is formed in the center of the cell fixing groove, is connected to the step motor provided on one side is rotated by a predetermined angle.

In addition, the plate fixing jig is formed through a plurality of weld holes, the rotary cylinder is connected to one end thereof is rotated at a predetermined angle, and is fixed to the upper surface of the reciprocating movement to perform the forward and backward reciprocating motion.

The cell fixing module may further include an upper fixing plate for fixing an upper surface of the battery cell accommodated in the guide panel, a set of side fixing plates for fixing both sides of the battery cell accommodated in the guide panel, and driving the upper fixing plate and the side fixing plate. It is composed of a cam actuator and a fixed plate which is installed in front of the first and second cam actuators and is operated up and down by a cylinder.

In addition, the cam actuator is configured by fixing the second operation cam interposed between the first operation cam and the side fixing plate to abut the upper surface of the upper fixing plate to the rotating shaft.

The welding module may include a welding rod fixing jig for fixing a set of welding rods, a rotation cylinder installed at the other end of the welding rod fixing jig, and rotating the welding rod fixing jig at a predetermined interval, and a welding rod fixing jig for grinding the welding rod. The polishing panel is installed in front of the, the polishing panel is provided with a sensing sensor for detecting the wear value of the electrode, and the end of the welding rod fixing jig XYZ axis operating frame is composed of.

In addition, the take-out module is provided with a plurality of magnet pieces, the take-out panel is operated up and down by the cylinder, the locking jaw is installed on both sides of the take-out panel, and the reciprocating operation frame is connected to one end of the take-out panel do.

On the other hand, through the automatic welding device, after the battery cell accommodated in the cell box withdrawal through the extraction jig preparatory step of seating on the inspection jig;

An inspection step of sorting good or bad by measuring the voltage of the battery cell seated on the inspection jig in the preparation step;

A transfer step of taking out the good quality battery cells inspected in the inspection step from the inspection jig, and then placing them on a cell transfer conveyor to transfer a predetermined interval;

A positioning step of changing the position of the anode / cathode of the battery cell supplied from the cell transfer conveyor in a position adjusting module;

A bundle step of taping with double-sided tape to bundle a predetermined number of battery cells supplied to the guide panel after the position is determined in the positioning step;

A welding step of welding the plate by a welding module after supplying the plate to the electrodes of the battery cells bundled in the bundle step through a plate fixing jig; And

The battery cell welding method of the smart battery including a take-out step of taking out the battery cell bundle after the welding in the welding step to the outside is implemented.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

1 is a plan view showing the overall configuration of the battery cell welding apparatus of the smart battery according to the present invention, Figure 2a is a plan view showing the configuration of the battery cell preparation unit in the battery cell welding apparatus according to the present invention, Figure 2b 2A is a configuration diagram of a cell box ejector which is part A, and FIG. 2C is a partial cross-sectional view showing the configuration of the extraction jig which is part B of FIG. 2A, and FIG. 4 is a side view showing the configuration of the cell transfer conveyor and the position control module in the battery cell welding apparatus according to the present invention, Figure 5 is a battery cell automatic welding device according to the present invention, the plate Figure 6a is a plan view showing the operating state of the fixing jig, Figure 6a is a side view showing the configuration of the cell fixing module in the battery cell welding apparatus according to the invention, Figure 6b is a battery cell welding apparatus according to the present invention Figure 7a is a plan view showing the configuration of the cell fixing module, Figure 7a is a schematic view showing the operating state of the welding module in the battery cell welding apparatus according to the present invention, Figure 7b is a battery cell welding apparatus according to the present invention , Perspective view showing the operating state of the rotation cylinder of the welding module, Figure 8 is a plan view showing the operating state of the take-out module in the battery cell welding apparatus according to the present invention.

As shown, the battery cell welding device 1 of the present invention includes a battery cell preparation unit 3 for withdrawing the battery cell C from the cell box 311 in front of the main body 2, and the withdrawn battery cell. An inspection module 4 for inspecting (C) is installed.

At this time, the battery cell preparation unit 3 is a cell box conveyor 31 for transferring the cell box 311 to the withdrawal position as shown in Figs. 1 to 2a, and the battery cell (C) in the cell box 311 A withdrawal jig 32 which draws out a plurality of (10) and a cell box ejector 33 for discharging the cell box 311 from which all the battery cells C are drawn are provided.

Here, the cell box 311 is divided so as to contain 100 battery cells (C) therein. Accordingly, after discharging all the battery cells C 10 times at a time through the withdrawal jig 32, the empty cell box is discharged through the cell box ejector 33.

At this time, the cell box discharger 33 is configured to be moved up and down vertically as well as move horizontally as the suction port 331 connected to the external vacuum means as shown in FIG.

Accordingly, the cell box ejector 33 is fixed to the suction port 331 → the suction port 331 is fixed to the empty cell box 311 suction → lift the suction port 331 → suction port 331 horizontal movement → suction port 331 After descending → suction port 331 in the order of releasing the fixing force, the empty cell box 311 is discharged from the cell box conveyor 31 by performing the sequence operation so as to return to the original position. Thereafter, the cell box conveyor 31 transfers the prepared cell box 311 to a withdrawal position.

In addition, the drawing jig 32 is fixed to the magnet rod 321 to the piston shaft of the operation cylinder 323, as shown in Figure 2c enlarged, the magnet rod 321 is passed through the inner diameter of the stopper 322 And configured to reciprocate.

The drawing jig 32 is the operation cylinder 323 and the stopper 322 in which the magnet rod 321 is fixed so as to draw out ten battery cells C contained in the cell box 311 at a single number. It is arranged horizontally to the fixed bar (324).

At this time, the fixing bar 324 is fixed to the X-Y-Z axis operation frame 34, as shown in Figure 2b to move the take-out jig 32 in the desired horizontal and vertical directions. Accordingly, the extraction jig 32 is moved to the extraction position where the cell box 311 is located through the X-Y-Z axis operation frame 34.

After the withdrawal jig 32 is moved to the withdrawal position, the piston shaft of each operation cylinder 323 is expanded and operated to protrude the magnet rod 321 from the inner diameter of the stopper 322. Accordingly, the battery cell C of the cell box 311 is attached and fixed to the end of the magnet rod 321 by the magnetic force, and in this state, the drawing jig 32 is opened through the XYZ axis operating frame 34. The battery cell C is drawn out of the cell box 311 by moving backward.

Thereafter, the drawing jig 32 is fixed to the magnet rod 321 in a state where the battery cell C is attached to the inspection jig 41 of the inspection module 4 described later by the XYZ axis operation frame 34. After the movement, the operation cylinder 323 is inserted and operated to separate the battery cell C attached and fixed to the magnet rod 321.

When the operation cylinder 323 is inserted in this way, the magnet rod 321 flows into the inner diameter of the stopper 322, and the battery cell C is caught by the stopper 322, thereby leaving the magnet rod 321. The test jig 41 is seated.

Therefore, the take-out jig 32 causes the XYZ-axis operating frame 34 to reciprocate by a program set in the control unit 22, which will be described later, thereby continuing the cell box by the XYZ-axis operating frame 34. The battery cell C accommodated in 311 is supplied to the inspection module 4 described later.

On the other hand, the inspection module 4 is the inspection jig 41 and the amount of the inspection jig 41 is seated on the battery cell (C) to be transferred through the take-out jig 32 as shown in Figure 1 or 3 The inspection pin 42 is provided on the side, and the defective cell transfer conveyor 43 is provided in the lower portion of the inspection jig 41.

At this time, the inspection jig 41 is formed with a plurality of mounting grooves 411 so that a plurality of battery cells (C) transferred through the take-out jig 32 as shown in Figure 3 can be seated at the same time. Such inspection jig 41 is configured to be connected to the upper and lower operation cylinder (not shown in the figure) at the bottom position can be changed up and down.

In addition, the inspection pin 42 has a number corresponding to the mounting groove 411 of the inspection jig 41 as shown in Figure 3 by using a separate fixing member 421 the mounting groove 411 It is installed in the position corresponding to the. A lower portion of the fixing member 421 is provided with a cylinder (not illustrated) to move the fixing member 421 horizontally so that the test pin 42 is connected to the electrode of the battery cell (C).

Accordingly, when the battery cell (C) is seated in the test jig 41 of the test module 4, the test jig 41 is vertically downward where the test pin 42 is located through the operation of the up and down operation cylinder. The fixing member 421 is moved by a cylinder, and the test pin 42 is connected to the electrodes of the respective battery cells C to sort out the defects of each battery cell C.

If all the battery cells (C) is determined to be good in such a defect test, after the inspection jig 41 is raised to its original position, the battery cell (C) is moved through the take-out jig (32), if a partial failure occurs The drawing jig 32 corresponding to the defective battery cell is deactivated and left on the inspection jig as it is.

The defective battery cells left on the inspection jig 41 are vertically moved downward of the inspection jig 41, seated on the defective cell transfer conveyor 43, and then discharged to a predetermined place.

On the other hand, one side of the inspection module 4 is provided with a cell transfer conveyor (5) for transferring the battery cell (C) after the inspection as shown in Figure 1 or 4, the end of the cell transfer conveyor (5) The positioning module 6 is installed to align the position of the battery cell (C).

At this time, the cell transfer conveyor (5) is a conveyor having a predetermined length as shown in Figure 4, one side is provided with a departure prevention frame 51 to move up and down a predetermined interval, the inclined portion inclined downward at the end 52 is formed.

Accordingly, when the cell transfer conveyor 5 finishes the inspection in the inspection module 4 and the battery cell C transferred through the withdrawal jig 32 is seated, the separation prevention frame 51 is raised. In operation, the battery cell C is prevented from being separated from the cell transfer conveyor 5 during the transfer, and the inclined portion 52 installed at the end of the cell transfer conveyor 5 has a battery in the positioning module 6. Induces a cell (C).

In addition, the positioning module 6 has a positioning tool 61 which is installed to face the inclined portion 52 of the cell transfer conveyor 5, as shown in Figure 4, and behind the positioning tool 61. The guide rod 62 is installed, and the up and down operation block 63 is installed directly below the rear of the positioning tool 61.

At this time, the positioning tool 61 is a circular plate-shaped body which is installed vertically, a cell fixing groove 611 is formed in the center, the outer periphery is connected to the step motor 612 and the belt. The guide rod 62 installed at the rear of the positioning tool 61 has the other end connected to the X-axis cylinder (not shown in the drawing) to perform a horizontal reciprocating motion, and at one end thereof the magnet sphere 621. ) Is installed. In addition, the up and down operation block 63 is to move up and down in the vertical direction with respect to the guide rod 62 by the cylinder.

Accordingly, in the positioning module 6, the battery cell C supplied from the inclined portion 52 is positioned between the guide rod 62 and the upper and lower operation blocks 63 as shown in FIG. The battery cell C is fixed to the magnet hole 621 of the guide rod 62.

Subsequently, the up and down operation block 63 is lowered and the guide rod 62 is advanced to insert the battery cell C into the cell fixing groove 611 of the positioning tool 61. Thereafter, the guide rod 62 is reversed and the upper and lower operation blocks 63 are raised, thereby fixing the battery cells C to the cell fixing grooves 611 of the positioning holes 61. In the step motor 612 by rotating the positioning sphere 61 by 180 ° to change the electrode position of the battery cell (C).

In this way, the positioning operation of the battery cell (C) is selectively performed so that a plurality of cells become one set according to the model of the smart battery, and when the positioning operation is completed, the upper and lower operation blocks 63 again. In the lowered state, the guide rod 62 is advanced to supply the battery cells C to the guide panel 21 described later.

On the other hand, a guide panel 21 for uniformly transferring a plurality of battery cells (C) is installed in a straight front of the positioning module 6, such a guide panel 21 and the plate fixing jig (7) and The cell fixing module 8 and the welding module 9 are sequentially installed.

At this time, the plate fixing jig 7 is installed on both sides of the guide panel 21 located in front of the positioning module 6, as shown in FIG. The plate fixing jig 7 is provided with an installation groove 71 for accommodating the plate P having various shapes, and a plurality of welding holes 72 are formed through the installation groove 7.

In addition, one end of the plate fixing jig 7 is rotated at a 90 ° angle by the rotation cylinder 73 is connected to the belt, the reciprocating movement to perform the forward and backward reciprocating movement to move to the welding module 9 is made It is fixed to the upper surface of the pupil (74).

Accordingly, the plate fixing jig 7 when the operator presses the drive switch (not shown in the drawing) of the reciprocating port 74 in a state in which the plate P is fixedly installed in the installation groove 71. After moving to the welding module 9, which will be described later, the plate P on the installation groove 71 is positioned close to both electrodes of the battery cell C by rotating at an angle of 90 °. At the same time, the operator operates the switch (not shown in the drawing) installed in a predetermined portion to move the guide rod 62 of the positioning module 6 to move the battery cell C accommodated in the guide panel 21. ).

Here, at the site where the plate fixing jig 7 is installed, the worker taps the double-sided tape on the battery cell C to bundle the battery cells C in a predetermined number.

On the other hand, the cell fixing module 8 is installed on the upper portion of the guide panel 21 located in front of the plate fixing jig 7 as shown in Fig. 1 or 6a, b. The cell fixing module 8 includes an upper fixing plate 81 for fixing the upper surface of the battery cell C, a set of side fixing plates 82 for fixing both sides of the battery cell C, and the upper fixing plate ( 81 and the cam actuator 83 for driving the side fixing plate 82, and the fixed plate 84 is installed in front of the first and second cam actuators (831,832) and operated up and down by the cylinder (841) It consists of.

Here, the guide panel 21 in which the cell fixing module 8 is installed is open at both sides thereof so that the electrode of the battery cell C accommodated therein is exposed to the outside. Accordingly, the side fixing plate 82 fixes the side of the battery cell (C).

At this time, the cam actuator 83 has a second operation cam 832 interposed between the first operation cam 831 abutting the upper surface of the upper fixing plate 81 and the set of side fixing plate 82. It has a structure fixed to the rotating shaft 833.

Accordingly, when the rotary shaft 833 is rotated, the first actuating cam 831 pushes the upper fixing plate 81, and at the same time, the second actuating cam 832 pushes the side fixing plate 82. The upper surface and both sides of the cell C are fixed. The upper fixing plate 81 and the side fixing plate 82 are provided with restoring springs 811 and 821 so that the pushing force of the first and second operating cams 831 and 832 is released.

At this time, the side fixing plate 82 for fixing the both sides of the battery cell (C) as described above may be operated in the form of pressing the upper surface of the battery cell (C) as shown in Figure 6b.

In addition, the fixing plate 84 prevents the battery cells C accommodated in the guide panel 21 from moving backward, and when the guide rods are advanced to move the battery cells C as described above, After ascending and moving the battery cell C, the battery cell C is fixed to descend.

On the other hand, the welding module 9 is installed on both sides of the cell fixing module 8 as shown in FIG. The welding module 9 includes a welding rod fixing jig 92 to which a set of welding rods 91 are fixed, a rotation cylinder 93 installed at the other end of the welding rod fixing jig 92, and the welding rod fixing jig 92. The polishing panel 94 is installed in front of the), the sensor 95 provided in the polishing panel 94, and the XYZ axis operation frame 96 to which the welding rod fixing jig 92 is coupled.

At this time, the electrode 91 is located on the horizontal line and the electrode of the battery cell (C) exposed to the outside as described above, the electrode fixing jig 92 is fixed to the electrode 91 is operated XYZ axis The frame 96 moves in the horizontal and vertical directions. In addition, the rotation cylinder 93 rotates the welding rod fixing jig 92 at a predetermined interval.

In addition, the polishing panel 94 is installed on both side walls of the cell fixing module 8 located in front of the welding rod fixing jig 92.

Accordingly, the welding module 9 is transferred to the XYZ axis operation frame 96 when the plate fixing jig 7 moves the plate P close to the electrode of the battery cell C as shown in FIG. 7A. The welding rod fixing jig 92 is transferred to insert the welding rod 91 into the welding hole 72 of the plate fixing jig 7, thereby welding the plate P to a specific portion of the battery cell C, When the plate fixing jig 7 is reversed, the plate P is sequentially welded and fixed.

At this time, the rotating cylinder 93, as shown in Figure 7b, as soon as the welding rod 91 welds the plate (P), while the welding rod fixing jig 92 is rotated, the welding rod 91 is plate (P) Make it easy to get away from

In addition, after the welding is finished, the welding rod 91 is polished by the XYZ axis operating frame 96 in the polishing panel 94, and then moved to be in contact with the detection sensor 95, thereby detecting the detection sensor ( 95) detects the wear of the electrode 91. Such a sensor 95 determines the replacement time of the electrode 91 by detecting the wear value of the electrode 91. The wear value of the electrode 91 is detected by using the distance that the XYZ axis operating frame 96 moves until the electrode 91 is in contact with the detection sensor 95 and then the electrode (91) ) Offset, adjustment and replacement are decided.

On the other hand, the take-out module 10 is installed at the end of the guide panel 21 as shown in FIG. Such a takeout module 10 is provided with a plurality of magnet pieces 112, the take-out panel 11 is operated up and down by the cylinder 111, and the locking step is provided on both sides of the take-out panel 11 13 and a reciprocating operation frame 12 to which one end of the take-out panel 11 is connected.

At this time, the take-out panel 10 has a structure that moves up and down between the locking step 13, the battery cell (C) by the magnetic force of the plurality of mark net piece 112 provided on the lower surface Is fixed and reciprocated by the reciprocating operation frame 12 to a predetermined portion.

In addition, as described above, the latching jaw 13 provided on both sides of the extraction panel 11 is spaced apart from each other at least smaller than the length of the battery cell (C).

Accordingly, the take-out module 10 lowers the take-out panel 11 to fix the finished battery cell C to the magnet piece 112, and to the take-off position by the reciprocating operation frame 12. Transferred. Subsequently, the extraction panel 11 is lifted from the ejection position so that the battery cell C attached to the magnet piece 112 is caught by the latching jaw 13, thereby being separated from the extraction panel 11.

On the other hand, the front of the main body 2 controls the operation of each component, the control unit 22 for displaying the voltage measurement value of the battery cell (C) inspected by the test pin 42 through the screen Is installed.

Such a control unit 22 controls a series of operations for inserting, inspecting, aligning, welding, and taking out the battery cell C, and displays an error situation on the screen so that an operator can recognize an error when an error occurs during the operation. It is configured to display and specify the model of the smart battery to be worked on.

Thus, the battery cell (C) welding method through each component of the battery cell welding device 1 according to the present invention as described above will be described.

9 is a process chart for explaining a battery cell welding method of a smart battery according to the present invention.

Referring to FIG. 9, first, after the battery cell C accommodated in the cell box 311 is drawn out through the drawing jig 32, the test jig 41 passes through a preparation step S1 to be seated on the inspection jig 41. The test step (S2) of sorting good or bad by performing the measurement of the voltage of the battery cell (S) seated in (41) is performed.

Subsequently, after the inspection of the good quality battery cell (C), which has been inspected in the inspection step (S2), withdraws from the inspection jig (41), it is placed in the cell conveying conveyor (5), followed by a conveying step (S3) for transferring a predetermined distance. In addition, the positioning module 6 performs the positioning step S4 of changing the positive / negative electrode position of the battery cell C supplied from the cell transfer conveyor 5.

Subsequently, after the positioning is determined in the positioning step S4, the battery cells C supplied to the guide panel 21 are bundled using a double-sided tape in a predetermined number using a double-sided tape. In step S5, a plate P is supplied to the electrodes of the battery cells C bundled through the plate fixing jig 7, and a welding step S6 of welding the plate P by the welding module 9 is performed. do.

Finally, in the take-out step (S7), all the work is terminated by taking out the bundle of the battery cells (C) that have been welded in the welding step (S6) to the outside, and the battery cell (C) is continuously made by repeating the above work. Weld

Accordingly, in the battery cell welding method of the smart battery of the present invention, the operation of supplying the cell box 311 in the preparation step (S1), the operation of taping the double-sided tape in the bundle step (S5) and the plate fixing jig (7) The operator performs only a simple operation of installing the plate (P), and performs the inspection, positioning and welding of the battery cell (C) automatically.

As described above, the battery cell welding apparatus and method of the smart battery according to the present invention can perform work uniformly by automating the work process, thereby preventing unnecessary labor loss and reducing work time, thereby improving work efficiency. It works.

Claims (11)

main body; A battery cell preparation unit installed at the front of the main body, the battery cell preparation unit including an extraction jig for drawing out a plurality of battery cells loaded in the cell box and a cell box ejector for discharging the cell box from which the battery cells are drawn; Installed on one side of the battery cell preparation unit so that the battery cell can be supplied by the withdrawal jig, an inspection jig in which the battery cell is seated, and an inspection pin installed on both sides of the inspection jig, and a defect installed in the lower portion of the inspection jig. An inspection module having a cell transfer conveyor; A cell transfer conveyor installed at one side of the inspection jig to transfer the battery cell supplied through the takeout jig, at one side thereof with a departure prevention frame, and at an end thereof with an inclined portion; A positioning module installed at an end of the cell transfer conveyor to align electrode positions of the battery cell; A guide panel installed at the front of the positioning module to guide the battery cell; Plate fixing jigs installed on both sides of the guide panel; A cell fixing module installed at an upper portion of the guide panel to fix an upper surface and a side surface of the battery cell; Welding modules installed at both sides of the cell fixing module to weld plates accommodated in the plate fixing jig; A extraction module installed at the end of the guide panel to take out the welded battery cell from the guide panel; And The battery cell welding device of the smart battery including a control unit installed in front of the main body to control the operation of each component, and displays the voltage measurement value of the battery cell inspected by the test pin on the screen. According to claim 1, wherein the extraction jig is composed of a plurality of magnet rods coupled to the piston shaft of the operation cylinder for reciprocating motion and a stopper for accommodating the magnet rod in the inner diameter, the battery cell is the inspection jig and the cell transfer conveyor Battery cell welding device for a smart battery, characterized in that one end is connected to the XYZ axis working frame to be transferred to. According to claim 1, wherein the inspection jig battery cell welding device of the smart battery, characterized in that the up and down operation cylinder is connected so that the position can be changed up, down. 2. The positioning module according to claim 1, wherein the positioning module includes a positioning tool installed at the end of the cell transfer conveyor, a guide rod installed at the rear of the positioning tool and performing horizontal reciprocating motion by a cylinder, and a lower portion directly behind the positioning tool. Battery cell welding device for smart battery, characterized in that consisting of up and down operation blocks installed in the vertical movement. The apparatus of claim 4, wherein the positioning tool has a cell fixing groove formed at a center thereof and is connected to a step motor provided at one side to rotate at a predetermined angle. The upper part of the reciprocating port of claim 1, wherein the plate fixing jig has a plurality of welding holes formed therethrough in an installation groove to which the plate is fixed, and a rotation cylinder is connected to one end thereof to rotate at a predetermined angle and to perform a reciprocating movement forward and backward. Battery cell welding device of a smart battery, characterized in that fixed to the surface. The cell fixing module of claim 1, wherein the cell fixing module comprises: an upper fixing plate for fixing an upper surface of the battery cell accommodated in the guide panel, a set of side fixing plates for fixing both sides of the battery cell, and driving the upper fixing plate and the side fixing plate. A battery cell welding device for a smart battery, comprising a cam operator and a fixed plate installed in front of the first and second cam actuators and operated up and down by a cylinder. According to claim 1, wherein the cam actuator is a battery of a smart battery, characterized in that the first operation cam which is in contact with the upper surface of the upper fixing plate and the second operating cam interposed between the side fixing plate is fixed to the rotating shaft Cell welding equipment. According to claim 1, wherein the welding module is a welding rod fixing jig to which a set of welding rods are fixed, a rotating cylinder for rotating the welding rod fixing jig at a predetermined interval, which is installed at the other end of the welding rod fixing jig, and the welding rod can be polished A polishing panel installed in front of the welding rod fixing jig, a sensing sensor provided in the polishing panel to detect a wear value of the welding rod, and an XYZ axis operating frame to which one end of the welding rod fixing jig is coupled. Battery cell welding device for smart battery. According to claim 1, wherein the take-out module is provided with a plurality of magnet pieces, the up and down operation by the cylinder, the engaging jaw is provided on both sides of the take-out panel, and the reciprocating end is connected to one end Battery cell welding device of a smart battery, characterized in that consisting of a working frame. Preparing a battery cell accommodated in the cell box through the extraction jig and then seating the battery cell in the inspection jig; An inspection step of sorting good or bad by measuring the voltage of the battery cell seated on the inspection jig in the preparation step; A transfer step of taking out the good quality battery cells inspected in the inspection step from the inspection jig, and then placing them on a cell transfer conveyor to transfer a predetermined interval; A positioning step of changing the position of the anode / cathode of the battery cell supplied from the cell transfer conveyor in a position adjusting module; A bundle step of taping with double-sided tape to bundle a predetermined number of battery cells supplied to the guide panel after the position is determined in the positioning step; A welding step of welding the plate by a welding module after supplying the plate to the electrodes of the battery cells bundled in the bundle step through a plate fixing jig; And Battery cell welding method of a smart battery comprising a take-out step of taking out the battery cell bundle after the welding in the welding step to the outside.