KR20030073502A - Device for automatic stripping of a electric double layer capacitors - Google Patents

Abstract

PURPOSE: An apparatus is provided to allow conductive plates to be easily re-wound by a reel by permitting activated carbons to be simultaneously removed from the top and bottom surfaces of the conductive plates. CONSTITUTION: An apparatus comprises a top activated carbon removing unit(10) for removing the activated carbon coated at the top surface of a conductive plate from tap portions where positive and negative lead terminals are to be welded; a bottom activated carbon removing unit(20) for simultaneously removing the activated carbon coated at the bottom surface of the conductive plate from tap portions where positive and negative lead terminals are to be welded, when the activated carbon coated at the top surface of the conductive plate is removed; and a re-wind guide unit(30) for maintaining a tension and preventing a movement of the conductive plate when the conductive plate where top and bottom activated carbons are removed is re-wound on a second reel(5).

Description

Device for automatic stripping of a electric double layer capacitors

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a technique for automatically removing activated carbon coated on both sides of an Al foil for electric double layer capacitors. In particular, the lead terminal is welded from both sides of the conductive plate constituting the electric double layer capacitor. An electric double layer capacitor that removes activated carbon from the upper and lower surfaces of the conductive plate at predetermined intervals when removing the activated carbon at the tab portion, thereby eliminating the surface of the conductive plate or the horizontal defect of the conductive plate. The present invention relates to an activated carbon automatic removal device for a conductive plate.

As is well known, electric double layer capacitors are used for regenerative or electric power storage for electric devices and electric vehicles, and conductive plates used in manufacturing them are coated with activated carbon on both sides thereof.

The conductive plate coated on both sides of the activated carbon was made to move to a predetermined length, and then both sides of the coated activated carbon were removed to a reel by removing a width of 3.5 mm on the tab portion. As shown in FIG. 1, the lead terminals 4a and 4b of plus (+) and minus (−) are welded to improve conductivity of the electric double layer capacitor 100.

However, the apparatus for removing the activated carbon coated on both sides of the conventional conductive plate, since the activated carbon on both sides of the conductive plate is simultaneously removed at the same position when the conductive plate is transferred, the surface of the conductive plate to be transferred is lifted due to the transfer. Not only had the problem of not maintaining the horizontal state, the rewind operation by the reel was not performed properly if the horizontal state is not constant.

Accordingly, the present invention has been made to solve the conventional problems as described above, the object of the present invention is to remove the activated carbon from the upper and lower surfaces of the conductive plate at predetermined intervals, respectively, to form an electric double layer capacitor An electric double layer which makes it easier to rewind the conductive plate by reel by eliminating the surface of the conductive plate or eliminating the horizontal defect of the conductive plate when removing the activated carbon of the tab portion to which the lead terminal is welded from both sides of the conductive plate. An object of the present invention is to provide a device for automatically removing activated carbon of a conductive plate for a capacitor.

1 is a structural diagram of a typical electric double layer capacitor.

Figure 2 is an overall schematic diagram of the automatic removal of activated carbon of the conductive plate for an electric double layer capacitor in an embodiment of the present invention.

Figure 3 is a partial perspective view showing the configuration of the upper surface activated carbon removal means as an embodiment of the present invention.

Figure 4 is an operating state of the upper surface activated carbon removal means in one embodiment of the present invention.

Figure 5 is a partial perspective view showing the configuration of the activated carbon removal means according to an embodiment of the present invention.

6 is an operating state of the activated carbon removing means according to an embodiment of the present invention.

Figure 7 is a state in which the activated carbon removed into the interior of the first fluid is discharged in one embodiment of the present invention.

8 is a schematic view showing an activated carbon removal state of the upper and lower conductive plates according to the driving of the upper and lower surface activated carbon removal means as an embodiment of the present invention.

9 is a state in which the conductive plate is passed through the air roller in one embodiment of the present invention.

* Description of the symbols for the main parts of the drawings *

One ; Conductive plate 1a; Top activated carbon

1b; Activated carbon 2; First reel

3; Feed roller 4a; Positive lead terminal

4b; Negative lead terminal 5; Second reel

6; Push rollers 7; Brake roller

10; Upper activated carbon removing means 11,12; 1st and 2nd cylinder

11a, 12a; First and second load 13,14; 1st and 2nd contact plate

15; First fluid 16; 1st tension control part

17; First brush roller 20; Activated carbon removal means

21,22; Third and fourth cylinders 21a and 22a; 3,4 load

23,24; Third, fourth contact plate 25; Second fluid

26; Second tension control unit 27; 2nd brush roller

30; Rewind guide means 31; Air roller

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

2 is an overall schematic view of the activated carbon automatic removal device of the conductive plate for an electric double layer capacitor as an embodiment of the present invention, Figure 3 is a partial perspective view showing the configuration of the upper surface activated carbon removal means as an embodiment of the present invention, Figure 4 Is an operating state diagram of the upper surface activated carbon removal means in one embodiment of the present invention.

5 is a partial perspective view showing the configuration of the activated carbon removing means according to an embodiment of the present invention, Figure 6 is an operating state diagram of the activated carbon removing means according to an embodiment of the present invention, Figure 7 is an embodiment of the present invention The activated carbon removed to the inside of the first fluid is discharged.

8 is a schematic view showing a state in which an upper surface and a lower surface of activated carbon removal of the active plate according to the driving of the activated carbon removal means in an embodiment of the present invention, Figure 9 is a state in which the conductive plate is passed through the air roller in one embodiment of the present invention Is also.

As shown in FIGS. 1 to 9, the conductive plates 1 coated on both surfaces of activated carbon 1a and 1b are mounted on the first reel 2, and then the plurality of wound conductive plates 1 are transferred. The tab portions P1, P2, P3, ... (U1, U2, U3, ...), which are transferred to the roller 3 and are welded with positive and negative lead terminals 4a, 4b from the transferred conductive plate 1. In the activated carbon automatic removal device of the conductive plate which removes the activated carbon (1a) (1b) of the () and rewinds to the second reel (5),

Activated carbon 1a of the tab portions P1, P2, P3, ... to be welded with positive and negative lead terminals 4a, 4b is formed from the upper surface of the conductive plate 1 conveyed by the feed roller 3. Top activated carbon removal means (10) for driving to remove;

When the activated carbon 1a of the tab portions P1, P2, P3, ... to be welded with the positive and negative lead terminals 4a, 4b is removed from the upper surface activated carbon removing means 10, the tab portion P1. Activated carbon of the tab portions U1, U2, U3,... Where the positive and negative lead terminals 4a, 4b are to be welded from the lower surface of the conductive plate 1 at a predetermined distance from the P2, P3,. A lower surface activated carbon removing means 20 driven to remove 1b); And,

When the conductive plate 1 having the upper and lower activated carbons 1a and 1b removed at predetermined intervals is rewound to the second reel 5, rewinding is performed to prevent left and right shaking while maintaining the tension according to the rewinding. Guide means 30; Characterized in that the configuration.

According to another aspect, the upper surface activated carbon removing means 10,

First and second cylinders 11 and 12 for linearly reciprocating the first and second rods 11a and 12a in a vertical direction in accordance with a pneumatic supply flow;

A first contact plate 13 in close contact with the bottom surface of the conductive plate 1 transported by the transport roller 3 when the first rod 11a is linearly moved upward;

When the second rod 12a moves downward in a linear direction, the first contact plate 13 comes into close contact with the upper surface of the conductive plate 1 in close contact, thereby stopping the transfer of the conductive plate 1. A plurality of second contact plates 14 having upper cutting guide portions 14a of a predetermined width and length formed on the central portion thereof;

A first fluid 15 which slides by a predetermined length when the conductive plate 1 is fixed by the first and second contact plates 13 and 14,

The first tension control unit 16 for providing a tension to slide flow while the front end of the first fluid 15 is in close contact with the upper cutting guide portion 14a of the plurality of second contact plate 14,

Located inside the tip of the first fluid 15, the first fluid 15 is cut by the first tension control unit 16 when the tip is in close contact with the top cutting guide 14a when the slide flow Remove the activated carbon 1a on the upper surface of the conductive plate 1 located in the guide portion 14a so that the positive and negative lead terminals 4a and 4b form tab portions P1, P2, P3, ... to be welded. A first brush roller 17 that rotates is included.

Here, the activated carbon (1a) removed by the first brush roller 17 is a separate discharge port (not shown) in the rear end of the first fluid 15 so that the discharge is made along the interior of the first fluid (15) Not).

According to yet another aspect, the lower surface activated carbon removing means 20,

Third and fourth cylinders 21 and 22 for linearly reciprocating the third and fourth rods 21a and 22a in a vertical direction in accordance with a pneumatic supply flow;

A third contact plate 23 in close contact with the upper surface of the conductive plate 1 conveyed by the transfer roller 3 when the third rod 21a is linearly moved downward;

When the fourth rod 22a makes a linear movement in the upward direction, the fourth rod 22a is brought into close contact with the lower surface of the conductive plate 1 in which the upper surface is in close contact with the third contact plate 23 to stop the transfer of the conductive plate 1. A plurality of fourth contact plates 24 formed with a lower cutting guide portion 24a having a predetermined width and length on the central portion;

A second fluid 25 which slides when the conductive plate 1 is fixed by the third and fourth contact plates 23 and 24,

A second tension adjusting unit 26 providing a tension to slide the front end of the second fluid 25 in contact with the lower surface cutting guide 24a of the plurality of fourth contact plates 24;

Located inside the tip of the second fluid 25, the bottom of the second fluid 25 is cut by the lower tension when the slide flows in close contact with the lower cutting guide portion (24a) by the second tension control unit (26) Remove the activated carbon 1b on the lower surface of the conductive plate 1 located in the guide portion 24a so that the positive and negative lead terminals 4a and 4b form tab portions U1, U2, U3, ... to be welded. A second brush roller 27 that rotates is included.

Here, the activated carbon 1b removed by the second brush roller 27 has a separate discharge port (not shown) at the rear end of the second fluid 25 so that the activated carbon 1b is discharged along the inside of the second fluid 25. Not used).

Here, the driving time is made by a set program so that the upper and lower surfaces of the activated carbon removing means 10 and 20 are driven at the same time.

That is, the present invention, as shown in Figure 8, the tab portion (P1, P2, P3, ...) of the activated carbon (1a) coated on the upper surface of the conductive plate 1 sequentially removed, and the conductive plate 1 On the tab portions U1, U2, U3, ... where the activated carbon 1b coated on the lower surface is sequentially removed,

The upper activated carbon removing means 10 removes the upper surface activated carbon 1a of the conductive plate 1 positioned at the tab portion of "P1", and then the upper surface activated carbon of the conductive plate 1 positioned at the tab portion of "P2" ( When removing 1a), the lower surface activated carbon removing means 20 has a predetermined distance from the upper surface activated carbon removing means 10 and the lower surface activated carbon removing means 10 is located at the tab portion of the " P1 " The lower surface of the conductive plate 1 positioned at the tab portions U1, U2, and U3 was simultaneously removed.

In other words, the present invention simultaneously removes the activated carbon coated on the upper and lower surfaces of the conductive plate 1 at different positions, thereby simultaneously removing the activated carbon coated on the upper and lower surfaces of the conductive plate 1 at the same position. The elimination of elimination at the time of elimination was made.

According to yet another aspect, the rewind guide means 30,

When the conductive plate 1 from which the activated carbons 1a and 1b are removed from the upper and lower surfaces by the upper and lower activated carbon removing means 10 and 20 is rewound to the second reel 5, the operation of rewinding does not move left and right. It consisted of the electrically conductive plate 1 which blows a predetermined amount of air from the surface, and maintains the predetermined tension, and the porous air roller 31 which maintains the predetermined gap G.

Here, the air supplied to the inside of the air roller 31 is configured to be made through the air hose (not shown) from the operation of the pressure reducing valve (not shown).

Hereinafter, reference numeral 6 denotes a push roller and 7 a brake roller, and in the present invention, a predetermined amount of pneumatic pressure is supplied to the first to fourth cylinders 11, 12, 21, and 22. Means for doing so are omitted in the general description.

Referring to Figures 1 to 9 attached to the operation of an embodiment of the present invention configured as described above are as follows.

First, as shown in FIGS. 1 and 2, the conductive plate 1 coated on both surfaces of the activated carbon 1a and 1b is mounted on the first reel 2.

Then, the second reel (5) used for rewinding the end portion of the conductive plate (1) wound on the first reel (2) between the feed roller 3 and the push roller (6) Rewind to

Subsequently, when the power is supplied to the automatic activated carbon removal device of the conductive plate for electric double layer capacitor so that the driving is performed, the conductive plate 1 wound on the first reel 2 is transferred to the roller 3 and the push roller ( 6) rewinding to the second reel (5) while the transfer is made.

At this time, the conductive plate 1 which is rewinded while the transfer is guided by the transfer roller 3 and the push roller 6 is removed while the activated carbons 1a and 1b coated on the upper and lower surfaces thereof are spaced at a predetermined interval. Go through the process.

That is, the activated carbon automatic removal device of the conductive plate for the electric double layer capacitor is provided with tab portions P1, P2, P3,..., U1, to which positive and negative lead terminals 4a and 4b are welded from the conductive plate 1. A system for removing the activated carbon (1a) (1b) of U2, U3, ..., and then rewinding it to the second reel (5),

The upper surface activated carbon removing means 10 configured in the automatic activated carbon removal device of the conductive plate for the electric double layer capacitor is positive and negative lead terminals 4a and 4b from the upper surface of the conductive plate 1 conveyed by the transfer roller 3. ) Is driven to remove activated carbon 1a of the tab portions P1, P2, P3, ... to be welded.

In addition, the lower surface activated carbon removing means 20, which is formed in a reverse direction at a predetermined distance from the upper surface activated carbon removing means 10, is welded with positive and negative lead terminals 4a and 4b from the upper surface activated carbon removing means 10. When the activated carbon 1a of the tab portions P1, P2, P3, ... to be removed is removed from the lower surface of the conductive plate 1 at a predetermined distance from the tab portions P1, P2, P3,... The negative lead terminals 4a and 4b are driven to simultaneously remove the activated carbon 1b of the tab portions U1, U2, U3, ... to be welded.

Looking more specifically at this,

As shown in FIGS. 3 and 4, the first cylinder 11 included in the upper surface activated carbon removing unit 10 linearly moves the first rod 11a upward in accordance with a pneumatic supply flow, and the upper surface activated carbon The second cylinder 12 included in the removing means 10 linearly moves the second rod 12a downward in accordance with the pneumatic supply flow.

In this case, a first contact plate 13 is integrally formed on the first rod 11a, and a second contact plate 14 is integrally formed on the second rod 12a. Between the second contact plates 13 and 14, the conductive plate 1 which is conveyed and guided by the conveying roller 3 and the push roller 6 is located,

According to the linear upward motion of the first rod 11a, the first contact plate 13 is in close contact with the bottom surface of the conductive plate 1 transferred by the transfer roller 3.

In addition, the second contact plate 14 adheres to the upper surface of the conductive plate 1 in which the lower surface is in close contact with the first contact plate 13 according to the downward linear motion of the second rod 12a. The conveyance of (1) is stopped.

Here, the upper cutting guide portion 14a of a predetermined width and length is formed on the center of the second contact plate 14,

When the conductive plate 1 is fixed by the first and second contact plates 13 and 14 and the transfer thereof is stopped, the first fluid 15 included in the upper activated carbon removing means 10 is The front end is in close contact with the upper cut guide portion 14a of the second contact plate 14, which is composed of a plurality of slide flows by a predetermined length.

The slide of the front end of the first fluid 15 in close contact with the upper cutting guide portion 14a of the plurality of second contact plates 14 is a first formed at a predetermined position of the first fluid 15. The tension adjustment of the tension adjustment unit 16 is possible, and the tension adjustment of the first tension adjustment unit 16 is that the operator can set arbitrarily.

At this time, the first brush roller 17 is mounted inside the front end of the first fluid 15,

The first brush roller 17 has the upper cutting guide when the first fluid 15 is in close contact with the upper cutting guide 14a by the first tension adjusting unit 16 and slides. By removing the activated carbon 1a on the upper surface of the conductive plate 1 located at 14a), the tab portions P1, P2, P3, ... to be welded with the positive and negative lead terminals 4a and 4b are sequentially formed. will be.

Here, since there is a separate discharge port at the rear end of the first fluid 15, the activated carbon (1a) removed by the first brush roller 17 is to be discharged along the interior of the first fluid (15) It was.

On the other hand, when the activated carbon 1a coated on the upper surface of the conductive plate 1 is sequentially removed from the driving of the upper surface activated carbon removing means 10, each component of the upper surface activated carbon removing means 10 is installed in a reverse direction. While at a predetermined distance, the lower surface activated carbon removing means 20 drives to simultaneously remove the lower surface activated carbon 1b of the portion where the upper surface activated carbon 1a is removed by the upper surface activated carbon removing means 10.

That is, as shown in FIGS. 5 and 6, the third cylinder 21 included in the lower surface activated carbon removing means 20 linearly moves the third rod 21a downward in accordance with a pneumatic supply flow. The fourth cylinder 22 included in the lower surface activated carbon removing means 20 linearly moves the fourth rod 22a upward in accordance with a pneumatic supply flow.

In this case, a third contact plate 23 is integrally formed on the third rod 21a, and a fourth contact plate 24 is integrally formed on the fourth rod 22a. Between the fourth contact plates 23 and 24, the conductive plate 1, which is transported and guided while the activated carbon 1a on the upper surface is removed, is located,

According to the linear downward motion of the third rod 21a, the third contact plate 23 is in close contact with the upper surface of the conductive plate 1.

In addition, according to the upward linear movement of the fourth rod 22a, the fourth contact plate 24 is in close contact with the bottom surface of the conductive plate 1 in which the upper surface is in close contact with the third contact plate 23. The transfer of the conductive plate 1 is stopped.

Here, the lower surface cutting guide portion 24a having a predetermined width and length is formed on the central portion of the fourth contact plate 24.

When the conductive plate 1 is fixed by the third and fourth contact plates 23 and 24 and the transfer thereof is stopped, the second fluid 25 included in the lower surface activated carbon removing means 20 is The front end is in close contact with the lower surface cutting guide portion 24a of the fourth contact plate 24 having a plurality of slide flows by a predetermined length.

Here, the slide flow while the front end of the second fluid 25 is in close contact with the lower surface cutting guide 24a of the plurality of fourth contact plate 24 is formed at a predetermined position of the second fluid 25. The tension adjustment of the second tension control unit 26 is possible, and the tension adjustment of the second tension control unit 26 can be arbitrarily set by the operator.

At this time, the second brush roller 27 is mounted inside the tip of the second fluid 25,

The second brush roller 27 is the lower cutting portion when the second fluid 25 is in close contact with the lower cutting guide portion (24a) by the second tension control unit 26 when the slide flows ( By removing the activated carbon 1b on the lower surface of the conductive plate 1 positioned at 24a), the positive and negative lead terminals 4a and 4b are sequentially formed to form tab portions U1, U2, U3, ... to be welded. do.

Here, since there is a separate discharge port at the rear end of the second fluid 25, the activated carbon (1b) removed by the second brush roller 27 is to be discharged along the inside of the second fluid (25) It was.

That is, the present invention, as shown in Figure 8, the tab portion (P1, P2, P3, ...) of the activated carbon (1a) coated on the upper surface of the conductive plate 1 sequentially removed, and the conductive plate 1 On the tab portions U1, U2, U3, ... where the activated carbon 1b coated on the lower surface is sequentially removed,

The upper activated carbon removing means 10 removes the upper surface activated carbon 1a of the conductive plate 1 positioned at the tab portion of "P1", and then the upper surface activated carbon of the conductive plate 1 positioned at the tab portion of "P2" ( When removing 1a), the lower surface activated carbon removing means 20 has a predetermined distance from the upper surface activated carbon removing means 10 and the lower surface activated carbon removing means 10 is located at the tab portion of the " P1 " The activated carbon 1b of the conductive plate 1 positioned at the tab portions U1, U2, and U3 is simultaneously removed, that is, the activated carbons 1a and 1b coated on the upper and lower surfaces of the conductive plate 1 are different from each other. By removing at the same time at the same time, to eliminate the closed end when removing the activated carbon coated on the upper and lower surfaces of the conductive plate (1) at the same conventional position.

On the other hand, the upper and lower surface activated carbon removal means (10, 20) by the upper and lower activated carbon (1a) (1b) at the same time removed at a predetermined interval, the conductive plate (1) is again conveyed roller 3 and push The conveyance is guided by the roller 6 to rewind to the second reel 5,

The conductive plate 1 made of rewinding to the second reel 5 is able to maintain the tension according to the rewinding without swaying by the rewind guide means 30.

That is, the rewind guide means 30, as shown in Figure 9, used a porous air roller 31 for ejecting a predetermined amount of air from the surface,

Since the conductive plate 1 is rewinded to the second reel 5 while maintaining a predetermined gap G with the air roller 31 according to a predetermined amount of air ejected to the surface of the air roller 31. In the conductive plate 1 in which the activated carbons 1a and 1b are removed from the upper and lower surfaces by the upper and lower surface activated carbon removing means 10 and 20, the rewinding operation to the second reel 5 is constant without any left and right shaking. Will be able to maintain.

As described above, according to the present invention, the activated carbon is simultaneously removed from the upper and lower surfaces of the conductive plate at predetermined intervals, thereby removing the activated carbon of the tab portion to which the lead terminal is welded from both sides of the conductive plate constituting the electric double layer capacitor. When the surface of the conductive plate is raised or the horizontal defect of the conductive plate is eliminated to provide an effect that can be easily rewinding the conductive plate by the reel.

The present invention is not limited to the above-described specific preferred embodiments, and various modifications can be made by any person having ordinary skill in the art without departing from the gist of the present invention claimed in the claims. Of course, such changes will fall within the scope of the claims.

Claims (4)

After mounting the conductive plates coated on both sides of the activated carbon on the first reel, the wound conductive plates are transferred to the transfer roller, and the activated carbons of the tab portions to which the positive and negative lead terminals are welded are removed from the transferred conductive plates. In the activated carbon automatic removal device of the conductive plate rewinding to a reel, Upper surface activated carbon removing means for driving positive and negative lead terminals to remove activated carbon in the tab portion to be welded from the upper surface of the conductive plate conveyed by the feed roller; When activated carbon is removed from the tab portion to which the positive and negative lead terminals are to be welded from the upper surface activated carbon removing means, the positive and negative lead terminals of the tab portion to which the positive and negative lead terminals are welded are spaced from the lower surface of the conductive plate at a predetermined distance from the tab portion. A lower surface activated carbon removal means for driving to simultaneously remove activated carbon; And, Rewind guide means for preventing left and right shaking while keeping the tension according to the rewinding when the conductive plate on which the upper and lower surfaces of the activated carbon are simultaneously removed at a predetermined interval is rewound to the second reel; Activated carbon automatic removal device of a conductive plate for an electric double layer capacitor, characterized in that consisting of. The method of claim 1, wherein the upper surface activated carbon removing means, First and second cylinders for linearly reciprocating the first and second rods in a vertical direction in accordance with a pneumatic supply flow, A first contact plate in close contact with the lower surface of the conductive plate conveyed by the conveying roller when the first rod is linearly moved upward; When the second rod is linearly moved downwardly, the first contact plate is brought into close contact with the upper surface of the conductive plate, which is in close contact, and stops the transfer of the conductive plate, and the upper cutting guide having a predetermined width and length is formed on the center. A plurality of second contact plates, A first fluid that slides by a predetermined length when the conductive plate is fixed by the first and second contact plates, A first tension control unit providing tension so that the front end of the first fluid adheres to the upper surface cutting guide of the plurality of second contact plates while slidingly flowing; Located inside the front end of the first fluid, the first fluid is removed by the first tension control unit when the tip is in close contact with the upper cutting guide to remove the activated carbon of the upper surface of the conductive plate located in the upper cutting guide A first brush roller rotating to form a tab portion to be welded with a negative lead terminal; Activated carbon automatically removed by the first brush roller is activated carbon removal device of the conductive plate for an electric double layer capacitor, characterized in that the discharge port is formed in the rear end of the first fluid to be discharged along the inside of the first fluid. According to claim 1, wherein the lower surface activated carbon removal means, Third and fourth cylinders for linearly reciprocating the third and fourth rods in a vertical direction in accordance with a pneumatic supply flow, A third contact plate in close contact with the upper surface of the conductive plate conveyed by the conveying roller when the third rod makes a linear movement in the downward direction; When the fourth rod is linearly moved upwardly, the fourth rod is brought into close contact with the lower surface of the conductive plate, the upper surface of which is in close contact, and stops the transfer of the conductive plate. A plurality of formed fourth contact plates, A second fluid that slides when the conductive plate is fixed by the third and fourth contact plates; A second tension control unit for providing tension so that the front end of the second fluid adheres to the lower surface cutting guide of the fourth contact plate and slides; Located inside the tip of the second fluid, when the second fluid is in close contact with the lower cutting guide by the second tension control unit when the slide flows to remove the activated carbon of the lower surface of the conductive plate located in the lower cutting guide And a second brush roller rotating to form a tab portion to be welded with negative lead terminals; Activated carbon automatically removed by the second brush roller is an activated carbon automatic removal device of a conductive plate for an electric double layer capacitor, characterized in that the discharge port is formed in the rear end of the second fluid to be discharged along the inside of the second fluid. The method of claim 1, wherein the rewind guide means, When the conductive plate from which the activated carbon has been removed from the upper and lower surfaces by the upper and lower activated carbon removing means is rewound to the second reel, the conductive plate passes by ejecting a predetermined amount of air from the surface to maintain a constant tension without shaking left and right; Automatic activated carbon removal device of a conductive plate for an electric double layer capacitor, characterized in that consisting of a porous air roller maintaining a predetermined gap.