KR20210056550A - Apparatus for Manufacturing of Electrolytic Copper Foil - Google Patents

Abstract

The present invention relates to a device for manufacturing an electrolytic copper foil comprising: a cathode part that electrodeposits copper foil by an electroplating method using an electrolyte; an anode part that conducts electricity with the cathode part through the electrolyte; a first transport part that transports the copper foil unwound from a negative electrode part; a second transport part that transports the copper foil transported from the first transport part; and a rolling part disposed between the second transport part and the first transport part to support the copper foil and roll the copper foil. Therefore, the present invention is capable of improving an easiness of an operation of transporting the copper foil.

Description

Apparatus for Manufacturing of Electrolytic Copper Foil}

The present invention relates to an electrolytic copper foil manufacturing apparatus for manufacturing copper foil.

Copper foil is used to manufacture various products such as negative electrodes for secondary batteries and flexible printed circuit boards (FPCB). Such copper foil is manufactured through an electroplating method in which an electrolytic solution is supplied between an anode and a cathode and then an electric current flows through it. In manufacturing copper foil through the electroplating method as described above, an electrolytic copper foil manufacturing apparatus is used.

1 is a schematic side view showing a state in which copper foil is unwound from a cathode in an electrolytic copper foil manufacturing apparatus according to the prior art. The hatching shown in FIG. 1 is not a cross-sectional view, but is divided into configurations for understanding of the prior art.

Referring to FIG. 1, an apparatus 100 for manufacturing an electrolytic copper foil according to the prior art includes an anode unit 110, a cathode unit 120, a first transport unit 130, and a second transport unit 140.

The anode part 110 is to be energized with the cathode part 120 through an electrolyte solution. The anode part 110 functions as an anode in performing electroplating.

The cathode part 120 is to electrodeposit the copper foil 200 by electroplating using an electrolyte. The cathode part 120 functions as a cathode in performing electroplating.

The first transport unit 130 transports the copper foil 200 unwound from the cathode unit 120. The first transport unit 130 may transport the copper foil 200 to the second transport unit 140.

The second transport unit 140 is installed at a position spaced apart from the first transport unit 130 to transport the copper foil 200. The second transport unit 140 may transport the copper foil 200 transported from the first transport unit 130 to a winding unit (not shown).

When an electrolyte supply device (not shown) supplies an electrolyte between the anode part 110 and the cathode part 120, the anode part 110 and the cathode part 120 are energized to each other to perform an electroplating operation. Carry out. In this case, as copper ions dissolved in the electrolyte are reduced in the negative electrode part 120, the negative electrode part 120 deposits the copper foil 200. The cathode part 120 rotates around the cathode shaft 121 and continuously performs electrodeposition and unwinding of the copper foil 200. The copper foil 200 is unwound from the negative electrode part 120 in the unwinding direction, and is then conveyed toward the winding part to be wound on the winding part.

Here, in the electrolytic copper foil manufacturing apparatus according to the prior art, the separation distance between the first transport unit 130 and the second transport unit 140 is realized. Accordingly, in the electrolytic copper foil manufacturing apparatus according to the prior art, since the supporting force for supporting the copper foil 200 unwound from the cathode part 120 is low in the process of transporting the copper foil 200, the copper foil 200 is cut off. There is a lot of difficulty in carrying the copper foil 200 for reasons such as losing.

The present invention has been conceived to solve the above-described problems, and relates to an apparatus for manufacturing an electrolytic copper foil capable of improving a supporting force for supporting a copper foil unwound from a cathode.

The present invention may include the following configurations to solve the above problems.

An apparatus for manufacturing an electrolytic copper foil according to the present invention comprises: a cathode portion for electrodepositing copper foil using an electrolytic solution; An anode portion that is energized with the cathode portion through an electrolyte solution; A first transport unit for transporting the copper foil unwound from the cathode unit; A second transport unit for transporting the copper foil transported from the first transport unit; And a rolling unit disposed between the second transport unit and the first transport unit to support the copper foil and roll the copper foil.

According to the present invention, the following effects can be achieved.

The present invention is implemented to sufficiently secure a support force for the copper foil in the process of transporting the copper foil, thereby improving ease of operation for transporting the copper foil.

The present invention secures the support for the copper foil and is implemented to reduce the thickness of the copper foil during the transport process, thereby improving the overall quality of the copper foil.

1 is a schematic side view of an apparatus for manufacturing an electrolytic copper foil according to the prior art
2 is a schematic side view of an electrolytic copper foil manufacturing apparatus according to the present invention
Figure 3 is a schematic side view showing a state in which the first rolling roll and the second rolling roll rotate in the electrolytic copper foil manufacturing apparatus according to the present invention
Figure 4 is a schematic side view showing a state in which the first adhesive portion and the second adhesive portion revolve in the electrolytic copper foil manufacturing apparatus according to the present invention
5 is a schematic side view for explaining a measurement unit, a distance control unit, and a speed control unit in the electrolytic copper foil manufacturing apparatus according to the present invention
6 is a schematic side view showing a dam and a weight correction unit in the electrolytic copper foil manufacturing apparatus according to the present invention

Hereinafter, an embodiment of an apparatus for manufacturing an electrolytic copper foil according to the present invention will be described in detail with reference to the accompanying drawings. In addition, the hatching shown in FIGS. 2 to 6 is not a cross-sectional view, but a configuration for understanding the present invention.

2 to 6, the electrolytic copper foil manufacturing apparatus (shown in 1 and 2) according to the present invention is used to manufacture various products such as a negative electrode for a secondary battery and a flexible printed circuit board (FPCB). It is to manufacture copper foil (20).

Referring to FIG. 2, the electrolytic copper foil manufacturing apparatus 1 according to the present invention includes a cathode 2 for electrodepositing copper foil using an electrolytic solution, and the cathode 2 through an electrolyte. 2) The anode part 3 that is energized with the cathode part 3, the first conveying part 5 conveying the copper foil unwound from the cathode part 2, and the copper foil conveyed from the first conveying part 5 It is disposed between the second transport unit 6 and the second transport unit 6 and the first transport unit 5 to support the copper foil 20 and roll the copper foil 20 It includes a rolling section (4). Accordingly, the electrolytic copper foil manufacturing apparatus 1 according to the present invention can achieve the following effects.

First, the electrolytic copper foil manufacturing apparatus 1 according to the present invention is implemented such that the rolling part 4 is disposed at a position where the support force for the copper foil 20 is low during a transport operation for transporting the copper foil 20. . Accordingly, the electrolytic copper foil manufacturing apparatus 1 according to the present invention is implemented to sufficiently secure the supporting force for the copper foil 20 by reducing the separation distance of the portion where the supporting force for the copper foil 20 is low. Therefore, the electrolytic copper foil manufacturing apparatus 1 according to the present invention can improve ease of operation for transporting the copper foil 20 by preventing the copper foil 20 from being broken during the transport operation.

Second, the electrolytic copper foil manufacturing apparatus 1 according to the present invention is implemented so that the copper foil 20 is rolled through the rolling section 4 between the conveying sections 5 and 6. Accordingly, the electrolytic copper foil manufacturing apparatus 1 according to the present invention secures a supporting force to support the copper foil 20 through the rolling part 4, and the thickness of the copper foil 20 in the transportation process (d, FIG. 5) can be reduced, so that the overall quality of the copper foil 20 can be improved.

Hereinafter, referring to the accompanying drawings for the cathode part 2, the anode part 3, the rolling part 4, the first carrying part 5, and the second carrying part 6, It will be explained as.

Referring to FIGS. 2 and 6, the cathode part 2 is electrodeposited with the copper foil 20 by electroplating using an electrolyte. The cathode portion 2 may function as a cathode for performing an electrodeposition operation of electrodepositing the copper foil 20. The cathode part 2 may be energized with the anode part 3. When the cathode portion 2 is energized with the anode portion 3 and current flows, copper ions dissolved in the electrolyte may be reduced in the cathode portion 2. Accordingly, the copper foil 20 may be electrodeposited on the surface of the negative electrode 2.

The cathode part 2 may rotate around a cathode shaft 21 (shown in FIG. 2). As the cathode part 2 rotates around the cathode shaft 21 while being energized with the anode part 3 and flowing current, the electrodeposition operation of electrodepositing the copper foil 20 on the surface and the electrodeposition It is possible to continuously perform the unwinding operation of removing the copper foil 20 from the surface. As the cathode part 2 rotates counterclockwise with reference to FIG. 2, electrodeposition and unwinding may be performed, but this is exemplary, and the cathode part 2 is clockwise with reference to FIG. You can also rotate it. The cathode portion 2 may be disposed in an upward direction (in the direction of an arrow UD) with respect to the anode portion 3. The upward direction (in the direction of the arrow UD) may be the same direction as the direction in which the height of the electrolytic copper foil manufacturing apparatus 1 according to the present invention increases as a whole. The cathode part 2 may be formed in a drum shape that extends in a width direction (X-axis direction) perpendicular to the moving direction in which the copper foil 20 moves, but is not limited thereto. It may be formed in a different form as long as it is a form that can perform the electrodeposition operation and the unwinding operation continuously.

Referring to FIGS. 2 and 6, the anode part 3 functions as an anode for performing an electrodeposition operation of electrodepositing the copper foil 20. The anode part 3 may be disposed in a downward direction (in the direction of an arrow DD) with respect to the cathode part 2. The downward direction (in the direction of the DD arrow) may be a direction opposite to the upward direction (in the direction of the UD arrow). The anode part 3 may be disposed in a downward direction (in the direction of an arrow DD) with respect to the cathode part 2 so as to be spaced apart from the surface of the cathode part 2. The anode part 3 may be formed in approximately the same shape as at least a portion of the surface of the cathode part 2. For example, when the cathode portion 2 is formed in a circular rectangular shape, the anode portion 3 may be formed in a semicircular rectangular shape. The power electrode may be coupled to the anode part 3.

An electrolyte supply slit 31 (shown in FIG. 2) may be formed in the anode part 3. The electrolyte supply slit 31 is for passing the electrolyte. The electrolyte supply slit 31 may be formed through the anode part 3. Through the electrolyte supply slit 31, the electrolyte may be supplied between the cathode portion 2 and the anode portion 3. The electrolyte supply slit 31 may be formed in the anode part 3 along the width direction (X-axis direction).

2 and 6, the electrolytic copper foil manufacturing apparatus 1 according to the present invention may include an electrolyte supply unit 3A.

The electrolyte supply part 3A may supply an electrolyte solution between the cathode part 2 and the anode part 3 through the electrolyte supply slit 31. The electrolyte supply part 3A may be located in the lower direction (in the direction of an arrow DD) with respect to the electrolyte supply slit 31. In this case, the electrolyte may flow from the electrolyte supply part 3A toward the upward direction (in the direction of the arrow UD) and pass through the electrolyte supply slit 31.

2 to 5, the rolling part 4 is located between the first and second transport parts 6 and the copper foil 20 unwound from the cathode part 2 ) Support. Accordingly, the electrolytic copper foil manufacturing apparatus 1 according to the present invention may implement a support force for supporting the copper foil 20. The rolling part 4 may support the copper foil 20 in a height direction (Y-axis direction) parallel to each of the upper direction (UD arrow direction) and the lower direction (DD arrow direction). .

The rolling part 4 rolls the copper foil 20. As the rolled part 4 rolls the copper foil 20, the thickness d of the copper foil 20 (shown in FIG. 5) may be reduced. The rolled part 4 may reduce the thickness of the copper foil 20 as it contacts and rotates the copper foil 20. The rolled part 4 may have a higher hardness than the copper foil 20. The thickness d of the copper foil 20 may be the length of the copper foil 20 based on the height direction (Y-axis direction). The rolling part 4 may guide the copper foil 20 in the moving direction. The rolling part 4 may guide the copper foil 20 to the second transport part 6 as it rotates.

2 to 5, the rolling part 4 may include a first rolling roll 41 and a second rolling roll 42.

The first rolling roll 41 is rotated by contacting one surface of the copper foil 20. One surface of the copper foil 20 may be an upper surface of the copper foil 20 facing upward (in the direction of an arrow UD). The first rolling roll 41 may be positioned in the upper direction (in the direction of an arrow UD) with respect to the copper foil 20. The first rolling roll 41 is disposed between the first transport unit 5 and the second transport unit 6 to support the copper foil 20 in the downward direction (in the direction of the DD arrow), and The copper foil 20 can be rolled in the downward direction (in the direction of the DD arrow). As the first rolling roll 41 rotates around a first rolling rotation shaft 411 (shown in FIG. 3), the copper foil 20 may be guided to the second transport unit 6. 3 illustrates that the first rolling roll 41 rotates in a counterclockwise direction, but this is exemplary, and the first rolling roll 41 may rotate in a clockwise direction. The first rolling roll 41 may be formed in a drum shape extending in the width direction (X-axis direction) as a whole.

Although not shown, a first rotating part may be coupled to the first rolling roll 41. The first rotating part is for rotating the first rolling roll 41. The first rotating part may rotate the first rolling roll 41 in a clockwise or counterclockwise direction with reference to FIG. 3. The first rotating part is a method using a hydraulic cylinder or a pneumatic cylinder, a ball screw method using a motor and a ball screw, a gear method using a motor, rack gear, and pinion gear, a belt method using a motor, pulley, belt, etc., and a coil. The first rolling roll 41 may be rotated using a linear motor method using a permanent magnet or the like.

The second rolling roll 42 is rotated by contacting the other surface of the copper foil 20. The other surface of the copper foil 20 may be a lower surface of the copper foil 20 facing downward (in the direction of the DD arrow). The second rolling roll 42 may be positioned in the lower direction (in the direction of an arrow DD) with respect to the copper foil 20. The second rolling roll 42 and the first rolling roll 41 may be spaced apart from each other with the copper foil 20 interposed therebetween based on the second axis direction (Y axis direction). The second rolling roll 42 is disposed between the first transport unit 5 and the second transport unit 6 to support the copper foil 20 in the upward direction (in the direction of the arrow UD), and the The copper foil 20 can be rolled in the upward direction (direction of arrow UD). As the second rolling roll 42 rotates around a second rolling rotation shaft 421 (shown in FIG. 3), the copper foil 20 may be guided to the second transport unit 6. The second rolling roll 42 may rotate in a direction opposite to the first rolling roll 41. As shown in FIG. 3, when the first rolling roll 41 rotates counterclockwise, the second rolling roll 42 may rotate clockwise. Although not shown, when the first rolling roll 41 rotates in a clockwise direction, the second rolling roll 42 may rotate in a counterclockwise direction. The second rolling roll 42 may be formed in a drum shape extending in the width direction (X-axis direction) as a whole.

Although not shown, a second rotating part may be coupled to the second rolling roll 42. The second rotating part is for rotating the second rolling roll 42. The second rotation unit may rotate the second rolling roll 42 in a clockwise or counterclockwise direction with reference to FIG. 3. The second rotating part is a method using a hydraulic cylinder or a pneumatic cylinder, a ball screw method using a motor and a ball screw, a gear method using a motor, rack gear, and pinion gear, a belt method using a motor, a pulley, a belt, etc., a coil. The second rolling roll 42 may be rotated using a linear motor method using a permanent magnet or the like.

Referring to FIG. 3, the rolling distance between the second rolling roll 42 and the first rolling roll 41 may be formed smaller than the thickness (d, shown in FIG. 5) of the copper foil 20. have. Accordingly, the thickness of the copper foil 20 may be reduced in the process of passing through the rolling part 4. The rolling distance may be a distance between the second rolling roll 42 and the first rolling roll 41 based on the height direction (Y-axis direction).

The above is described based on the fact that the rolling unit 4 includes two rolling rolls 41 and 42, but this is exemplary, and the rolling unit 4 may include three or more rolling rolls.

2 to 4, the first transport unit 5 carries the copper foil 20 unwound from the cathode unit 2. The first transport unit 5 may transport the copper foil 20 to the rolling unit 4. The first transport unit 5 may transport the copper foil 20 as it rotates around a first transport rotation axis (not shown). Although not shown, the first transport unit 5 may transport the copper foil 20 using a plurality of rollers or the like. The first transport unit 5 may dry the electrolyte remaining on the surface of the copper foil 20 while transporting the copper foil 20. The first transport unit 5 may be located between the cathode unit 2 and the rolling unit 4. The first transport unit 5 may be formed in a drum shape that extends in the width direction (X-axis direction) as a whole.

2 to 4, the second transport unit 6 transports the copper foil 20 carried from the first transport unit 5. The second transport unit 6 may transport the copper foil 20 carried from the rolling unit 4 to a winding unit 12 (shown in FIG. 2 ). The second transport unit 6 may transport the copper foil 20 as it rotates around a second transport rotation axis (not shown). Although not shown, the second transport unit 6 may transport the copper foil 20 using a plurality of rollers or the like. The second transport unit 6 may dry the electrolytic solution remaining on the surface of the copper foil 20 while transporting the copper foil 20. The second transport unit 6 may be located between the rolling unit 4 and the winding unit 12. The second transport unit 6 may be positioned at the same height as the first transport unit 5 based on the height direction (Y-axis direction). The second transport unit 6 may be formed in a drum shape extending in the width direction (X-axis direction) as a whole.

2 to 4, the apparatus 1 for manufacturing an electrolytic copper foil according to the present invention may further include an adhesive part 7.

The adhesive portion 7 is movably coupled to the outer surface of the rolled portion 4. As the adhesive part 7 moves the outer surface of the rolled part 4, foreign substances to be adhered to the surface of the rolled part 4 may be removed. Accordingly, the electrolytic copper foil manufacturing apparatus 1 according to the present invention can increase the cleaning cycle of the rolling unit 4 and increase the degree of completion of the rolling operation through the rolling unit 4. The adhesive portion 7 may be formed of a material having adhesive power. The adhesive part 7 may be formed of a material such as rubber.

The adhesive part 7 may include a first adhesive roll 71 and a second adhesive roll 72.

The first adhesive roll 71 is movably coupled to the first rolling roll 41. The first adhesive roll 71 may be movably coupled to the outer surface of the first rolling roll 41. Accordingly, the first adhesive roll 71 may remove foreign substances from the outer surface of the first rolling roll 41. As the first adhesive roll 71 moves in the width direction (X-axis direction), the outer surface of the first rolling roll 41 may be moved. The first adhesive roll 71 may move the outer surface of the first rolling roll 41 as it revolves around the first rolling rotation shaft 411 (shown in FIG. 4 ). 4 is a diagram illustrating that the first adhesive roll 71 rotates counterclockwise around the first rolling rotation shaft 411, but this is illustrative, and the first adhesive roll 71 is The rolling rotation shaft 411 may be rotated in a clockwise direction. The first adhesive roll 71 may be formed in a drum shape extending in the width direction (X-axis direction) as a whole.

The second adhesive roll 72 is movably coupled to the second rolling roll 42. The second adhesive roll 72 may be movably coupled to the outer surface of the second rolling roll 42. Accordingly, the second adhesive roll 72 may remove foreign substances from the outer surface of the second rolling roll 42. As the second adhesive roll 72 moves in the width direction (X-axis direction), the outer surface of the second rolling roll 42 may be moved. The second adhesive roll 72 may move the outer surface of the second rolling roll 42 as it revolves around the second rolling shaft 421 (shown in FIG. 4 ). 4 is a diagram illustrating that the second adhesive roll 72 rotates clockwise around the second rolling rotation shaft 421, but this is exemplary, and the second adhesive roll 72 is It may rotate counterclockwise around the rotation shaft 421. The second adhesive roll 72 may be formed in a drum shape extending in the width direction (X-axis direction).

Referring to FIG. 4, each of the second adhesive roll 72 and the first adhesive roll 71 moves the copper foil 20 as the second roll 42 and the first roll 41 move. ) Can be rolled. That is, the adhesive distance between the second adhesive roll 72 and the first adhesive roll 71 may be formed smaller than the rolling distance. The adhesive distance may be a separation distance between the second adhesive roll 72 and the first adhesive roll 71 based on the height direction (Y-axis direction).

The above description is based on the fact that the adhesive portion 7 includes two adhesive rolls 71 and 72, but this is exemplary, and the adhesive portion 7 may include three or more adhesive rolls. In this case, at least two or more adhesive rolls may be bonded to one rolling roll.

Referring to FIG. 5, the apparatus 1 for manufacturing an electrolytic copper foil according to the present invention may further include a measuring unit 8 and a distance adjusting unit 9.

The measuring unit 8 is for measuring the thickness d of the copper foil 20. The measuring unit 8 may measure the thickness d of the copper foil 20 unwound from the negative electrode unit 2. The measuring unit 8 may measure the thickness d of the copper foil 20 before the copper foil 20 passes through the rolled portion 4. The measuring unit 8 may provide information on the measured thickness of the copper foil 20 to the distance adjusting unit 9. The measuring unit 8 may be connected to the copper foil 20.

The distance control unit 9 is for adjusting the rolling distance. The distance adjusting unit 9 may receive information on the thickness d of the copper foil 20 measured by the measuring unit 8. The distance adjusting part 9 may be coupled to each of the first rolling roll 41 and the second rolling roll 42.

The distance control unit 9 moves at least one of the first rolling roll 41 and the second rolling roll 42 according to the measurement result of the measurement unit 8 to increase the rolling distance. It is to control. Accordingly, the electrolytic copper foil manufacturing apparatus 1 according to the present invention may be implemented to change the degree of rolling for the copper foil 20 through the operation of adjusting the rolling distance. Therefore, the electrolytic copper foil manufacturing apparatus 1 according to the present invention can improve the responsiveness to rolling in various working environments. The distance control unit 9 can increase the rolling distance by moving only the first rolling roll 41 in the upward direction, and moves only the first rolling roll 41 in the downward direction. According to the rolling distance can be reduced. The distance control unit 9 can increase the rolling distance by moving only the second rolling roll 42 in the downward direction, and moves only the second rolling roll 42 in the upward direction. According to the rolling distance can be reduced. The distance adjustment unit 9 may increase or decrease the rolling distance by moving each of the second rolling roll 42 and the first rolling roll 41 together.

Referring to FIG. 5, the apparatus 1 for manufacturing an electrolytic copper foil according to the present invention may further include a speed control unit 10.

The speed control unit 10 is for adjusting the rotational speed of the rolling unit 4. When the electrolytic copper foil manufacturing apparatus 1 according to the present invention includes the speed control unit 10, the measurement unit 8 may measure the rotational speed of the rolling unit 4. The speed control unit 10 may adjust the rotation speed of the rolling rolls 41 and 42 according to the measurement result of the measurement unit 8. Accordingly, the electrolytic copper foil manufacturing apparatus 1 according to the present invention adjusts the rotational speed of the rolling rolls 41 and 42, so that the rolling roll guides the copper foil 20 in various working environments. Can improve.

Referring to FIG. 6, the electrolytic copper foil manufacturing apparatus 1 according to the present invention may further include a dam 11.

The dam 11 is for keeping the electrolyte solution between the negative electrode part 2 and the positive electrode part 3. The dam 11 may be formed high so as to protrude in the upward direction (in the direction of the UD arrow). Accordingly, the electrolytic copper foil manufacturing apparatus 1 according to the present invention can implement a preventive force that prevents the electrolyte from overflowing the anode part 3, thus improving the ease of electrodeposition of electrodepositing the copper foil 20 I can make it. The dam 11 may be coupled to the anode part 3. The dam 11 may be formed integrally with the anode part 3. The dam 11 may be formed in a drum shape extending in the width direction (X-axis direction) as a whole, but is not limited thereto, and allows the electrolyte to stay between the cathode part 2 and the anode part 3. It may be formed in other shapes such as a rectangular parallelepiped as far as possible.

6, the electrolytic copper foil manufacturing apparatus 1 according to the present invention may further include a weight correction unit 14.

The weight correction unit 14 is for reducing the deviation of the thickness (d) of the copper foil (20). The weight correction part 14 may be disposed between the negative electrode 2 and the positive electrode 3 and may be disposed at an end of the positive electrode 3 facing the first transport part 5. That is, the weight correction unit 14 may be located at a point where the copper foil 20 starts to be unwound from the cathode unit 2. The weight correction unit 14 may be formed to extend along the width direction (X-axis direction). The weight correction unit 14 may be entirely formed in a plate shape.

Referring back to Figure 2, the electrolytic copper foil manufacturing apparatus 1 according to the present invention may further include a winding unit 12.

The winding part 12 winds the copper foil 20 carried from the conveying parts 5 and 6. The winding unit 12 may wind the copper foil 20 carried from the second transport unit 6. The winding unit 12 may continuously wind the copper foil 20 while rotating around a winding shaft (not shown). The copper foil 20 wound around the winding part 12 may be cut to a preset width by an operator. The winding part 12 may be formed in a drum shape extending in the width direction (X-axis direction), but is not limited thereto, and a winding operation of winding the copper foil 20 while rotating around the winding shaft is continuously performed. If it is a form that can be performed, it may be formed in another form.

Referring to FIG. 2, the electrolytic copper foil manufacturing apparatus 1 according to the present invention may further include a cutting portion 13.

The cutting part 13 cuts the copper foil 20 carried from the conveying parts 5 and 6. The cutting part 13 may cut the copper foil 20 carried from the second transport part 6. The cutting part 13 may be disposed between the second transport part 6 and the winding part 12. The cutting part 13 may cut both sides of the copper foil 20 formed thicker than other portions of the copper foil 20 during the electrodeposition process and the rolling process. The cutting part 13 may cut both sides of the copper foil 20 based on the width direction. The copper foil cut on both sides by the cutting part 13 may be transported to the winding path part.

The present invention described above is not limited to the above-described embodiments and the accompanying drawings, and various substitutions, modifications and changes are possible within the scope of the technical spirit of the present invention. It will be obvious to those who have the knowledge of.

1: electrolytic copper foil manufacturing apparatus 2: cathode
3: anode part 4: rolled part
5: first transport section 6: second transport section
7: adhesive part 8: measuring part
9: distance control unit 10: speed control unit
11: dam 12: winding part
13: cut part 14: weight correction unit
41: first rolling roll 42: second rolling roll
71: first adhesive roll 72: second adhesive roll

Claims (10)

A cathode portion 2 for electrodepositing the copper foil 20 using an electrolytic solution using an electroplating method;
A positive electrode part 3 that is energized with the negative electrode part 2 through an electrolyte solution;
A first transport unit (5) for transporting the copper foil (20) unwound from the cathode unit (2);
A second transport unit (6) for transporting the copper foil (20) carried from the first transport unit (5); And
It is disposed between the second transport unit 6 and the first transport unit 5 to support the copper foil 20 and includes a rolling unit 4 for rolling the copper foil 20 Electrolytic copper foil manufacturing apparatus, characterized in that. The method of claim 1,
The rolling part 4 is a first rolling roll 41 rotating by contacting one surface of the copper foil 20, and a second rolling rotating by contacting the other surface of the copper foil 20 Including a roll 42,
Electrolytic copper foil manufacturing apparatus, characterized in that the rolling distance between the second rolling roll (42) and the first rolling roll (41) is formed to be smaller than the thickness of the copper foil (20). The method of claim 2,
A measuring unit 8 for measuring the thickness of the copper foil 20; And
Further comprising a distance control unit 9 for adjusting the rolling distance,
The distance adjusting unit 9 moves at least one of the first rolling roll 41 and the second rolling roll 42 according to the measurement result of the measuring unit 8 to increase the rolling distance. Electrolytic copper foil manufacturing apparatus, characterized in that to control. The method of claim 1,
Electrolytic copper foil manufacturing apparatus, characterized in that it further comprises an adhesive portion (7) movably coupled to the outer surface of the rolled portion (4) to remove foreign substances from the surface of the rolling portion (4). The method of claim 4,
The rolling part 4 is a first rolling roll 41 rotating by contacting one surface of the copper foil 20, and a second rolling rotating by contacting the other surface of the copper foil 20 Including a roll 42,
The adhesive portion 7 includes a first adhesive roll 71 movably coupled to the first rolling roll 41, and a second adhesive roll 72 movably coupled to the second rolling roll 42. ),
The adhesive distance between the first adhesive roll 71 and the second adhesive roll 72 is formed smaller than the rolling distance between the first rolling roll 41 and the second rolling roll 42. An electrolytic copper foil manufacturing device. The method of claim 4,
The rolling part 4 is a first rolling roll 41 rotating by contacting one surface of the copper foil 20, and a second rolling rotating by contacting the other surface of the copper foil 20 Including a roll 42,
The adhesive portion 7 includes a first adhesive roll 71 movably coupled to the first rolling roll 41, and a second adhesive roll 72 movably coupled to the second rolling roll 42. ),
Each of the second adhesive roll 72 and the first adhesive roll 71 rolls the copper foil 20 as the second roll 42 and the first roll 41 move. Electrolytic copper foil manufacturing apparatus made of. The method of claim 1,
The electrolytic copper foil manufacturing apparatus, characterized in that the rolled portion (4) is formed to have a higher hardness than the copper foil (20). The method of claim 1,
Further comprising a dam 11 for keeping the electrolyte between the cathode portion 2 and the anode portion 3,
The dam (11) is an electrolytic copper foil manufacturing apparatus, characterized in that formed high so as to protrude upward. The method of claim 1,
Electrolytic copper foil manufacturing apparatus, characterized in that it further comprises a speed control unit (10) for adjusting the rotational speed of the rolling unit (4). The method of claim 1,
It further comprises a weight correction unit 14 disposed between the cathode portion 2 and the anode portion 3 and disposed at an end of the anode portion 3 facing the first transport portion 5,
The weight correction unit (14) is an electrolytic copper foil manufacturing apparatus, characterized in that extending in a width direction (X-axis direction) perpendicular to a moving direction in which the copper foil (20) moves.

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