Secondary battery electrode production system

Abstract

The present invention provides a system for producing electrodes for secondary batteries, including a transfer unit that transfers electrodes. The transfer unit passes through a first area for unloading electrodes and a second area for loading or holding electrodes. The transfer unit includes a suction driver, a suction plate, a belt that moves along the suction plate, and a plurality of suction blocks connected to the belt. The suction plate includes a plurality of first flow paths that are separated from each other, and each suction block includes a second flow path and a first hole connected to the second flow path. The belt includes a second hole aligned with the first hole. Among the plurality of suction blocks, the first hole of the suction block located in the first area communicates with one of the plurality of first flow paths, and the first hole of the suction block located in the second area communicates with another of the plurality of first flow paths.

Description

[Technical Field]

[0001] The present invention relates to a system for producing electrodes for secondary batteries. [Background technology]

[0002] Generally, chemical batteries are batteries that contain a positive electrode, a negative electrode, and an electrolyte and generate electrical energy through a chemical reaction. They are divided into primary batteries, which are used as disposable batteries, and secondary batteries, which can be charged and discharged and can be used repeatedly.

[0003] The use of secondary batteries is gradually increasing due to their advantage of being able to be charged and discharged. Among these secondary batteries, lithium secondary batteries have a high energy density per unit weight and are widely used as power sources for electronic communication devices and high-power hybrid vehicles.

[0004] The electrodes used in such secondary batteries are used as the positive and negative electrodes of the battery and are used to electrically connect the battery to the outside of the battery. The electrodes may be notched at regular intervals to form electrode tabs.

[0005] The notched electrodes are sealed in a pouch or a rectangular or cylindrical can during a stacking process to produce a secondary battery. The electrode material wound on a reel is unwound in the unwinding section and fed into the notching section. Then, multiple electrode tabs are formed continuously on the electrode material at regular intervals. The electrodes with the tabs are either rewound into a reel or cut to a certain size, transported through the transport section, and loaded into a magazine.

[0006] The conveying unit includes a belt having a plurality of suction holes and a belt driving unit for moving the belt. The electrodes having the tabs are attracted to the belt and moved toward the magazine. At this time, the belt is positioned above the electrodes, and the electrodes are prevented from falling by the attraction force and are conveyed to the position where the magazine is located.

[0007] In this case, before the electrodes reach the magazine and after notching, the electrodes are judged as being defective or non-defective, and only the non-defective electrodes are transported to the magazine, while the defective electrodes are separated from the belt and dropped by a separate pusher unit.

[0008] However, when a defective product is separated from the belt, the suction holes that had been holding the defective product open, allowing air to flow in through the open suction holes, weakening the belt's adhesive force. When separating a defective product from the belt, whether the suction is released or maintained without being released will weaken the belt's adhesive force because the suction holes that had been holding the defective product open. This weakened belt adhesive force can cause electrodes to fall off the belt.

[0009] When dropping a defective product, even if the suction is turned off and then turned on again, the belt moves too fast, causing the electrode to fall off the belt before the suction can be held to remove the electrode. Summary of the Invention [Problem to be solved by the invention]

[0010] An object of the present invention is to provide a secondary battery electrode production system that can prevent an electrode from falling off a belt due to insufficient suction force by maintaining the suction state of adjacent electrodes even when a suction hole that has been sucking a defective electrode is opened when the defective electrode is dropped. [Means for solving the problem]

[0011] According to an embodiment, there may be provided a system for producing an electrode for a secondary battery, the system including a transfer unit that transfers an electrode. The transfer unit is divided into a first region that unloads the electrode and a second region that loads or holds the electrode. The transfer unit includes a suction driving unit, a suction plate, a belt that moves along the suction plate, and a plurality of suction blocks connected to the belt. The suction plate includes a plurality of first flow paths that are separated from each other, and each of the suction blocks includes a second flow path and a first hole connected to the second flow path. The belt includes a second hole aligned with the first hole. Among the plurality of suction blocks, the first hole of the suction block located in the first region communicates with one of the plurality of first flow paths, and the first hole of the suction block located in the second region communicates with another of the plurality of first flow paths.

[0012] The first flow paths are arranged in a plurality of rows, and the first holes of the suction blocks located in the first region and the first holes of the suction blocks located in the second region are aligned in different rows of the first flow paths.

[0013] The suction block may include a block body including the second flow path and the first hole, and a suction tip coupled to the block body, communicating with the second flow path, and contacting the electrode.

[0014] The first flow passages are arranged in a plurality of rows, and the suction plate includes inlets connected to the suction driving unit, the inlets being aligned with the rows. The transport unit includes a loading area for loading the electrodes along the electrode traveling direction, a first inspection area for performing a primary inspection of the electrodes loaded in the loading area, and a first unloading area for discharging electrodes determined to be defective in the first inspection area, the first area being the first unloading area, and the second area being the loading area and the first inspection area.

[0015] The transport unit includes a second inspection area for performing a second inspection on electrodes that have not been removed from the first unloading area, and a second unloading area for loading the electrodes inspected in the second inspection area into a magazine, the first area being the second unloading area and the second area being the second inspection area.

[0016] The first flow passages may be arranged in a plurality of rows, and the suction driver may include a plurality of suction units respectively communicating with the first flow passages arranged in the plurality of rows. The suction driving part may sequentially release the suction of the plurality of suction units in the first region.

[0017] The suction plate includes a first protrusion protruding from a lower surface thereof, and the first flow path is disposed in the first protrusion and opens toward the belt at the first protrusion. The belt includes a second groove in which the second hole is arranged, the first protrusion is arranged in the second groove, and the second groove is disposed along the first flow path. [Effects of the Invention]

[0018] According to the embodiment, when unloading a defective electrode, even if the suction hole that was holding the electrode is opened, the suction state of the adjacent electrode is maintained, which has the advantage of preventing the electrode from falling off the belt due to insufficient suction force. [Brief explanation of the drawings]

[0019] [Figure 1]1 is a conceptual diagram illustrating a transfer unit of a secondary battery electrode production system according to an embodiment. [Figure 2] 2 is a view showing a suction plate, a belt, and a suction block of the transfer unit shown in FIG. 1; [Figure 3] 2 is an exploded view of the suction plate, belt, and suction block of the transfer section shown in FIG. 1. FIG. [Figure 4] 1 is a diagram showing a suction plate. [Figure 5] 1 is a drawing showing a belt. [Figure 6] 10 is a diagram showing the second hole of the belt. [Figure 7] 1 is a diagram showing a suction block. [Figure 8] FIG. 8 is a side cross-sectional view of the suction block taken along line AA in FIG. 7. [Figure 9] 10 is a diagram showing the position of a first hole of a suction block. [Figure 10] 10 is a view showing a state in which some of the plurality of connection holes of the suction plate are connected to the first flow path. [Figure 11] 10 is a view showing a state in which some of the plurality of connection holes of the suction plate are connected to the first flow path. [Figure 12] 10 is a view showing a state in which some of the plurality of connection holes of the suction plate are connected to the first flow path. [Figure 13] 10 is a view showing a state in which the suction blocks arranged in a fifth row are in communication with the first flow path of the suction plate. [Figure 14] 10 is a view showing a state in which the suction blocks arranged in a fourth row are connected to the first flow path of the suction plate. DETAILED DESCRIPTION OF THE INVENTION

[0020] DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. The embodiments of the present invention are provided to more completely explain the present invention to those skilled in the art, and the following embodiments may be modified into various other forms, and the scope of the present invention is not limited to the following embodiments. Rather, these embodiments are provided to make the present disclosure more complete and thorough, and to fully convey the concept of the present invention to those skilled in the art.

[0021] The terms used herein are used to describe particular embodiments and are not intended to limit the present invention. As used herein, the singular forms "a," "an," and "the" can include the plural forms unless the context clearly dictates otherwise. Also, as used herein, the words "comprise" and / or "comprising" specify the presence of a stated feature, number, step, operation, member, element, and / or group thereof, but do not exclude the presence or addition of one or more other features, numbers, operations, members, elements, and / or groups. As used herein, the term "and / or" includes any one and any combination of one or more of the listed items.

[0022] In this specification, terms such as "first" and "second" are used to describe various members, regions, and / or sections, but it is clear that these members, parts, regions, layers, and / or sections should not be limited by these terms. These terms do not imply a particular order, hierarchy, or superiority or inferiority, but are used only to distinguish one member, region, or section from another. Therefore, a first member, region, or section described in detail below may refer to a second member, region, or section without departing from the teachings of the present invention.

[0023] Hereinafter, embodiments of the present invention will be described with reference to the drawings, which schematically illustrate embodiments of the present invention. In the drawings, variations in the shapes shown are expected due, for example, to manufacturing techniques and / or tolerances. Therefore, embodiments of the present invention should not be construed as being limited to the specific shapes of regions shown herein, but should also include variations in shapes that occur during manufacturing, for example.

[0024] The secondary battery electrode production system is a device for automatically and continuously producing electrodes used in secondary batteries. FIG. 1 is a conceptual diagram showing a transfer unit 10 of a secondary battery electrode production system according to an embodiment, FIG. 2 is a diagram showing a suction plate 200, a belt 300, and a suction block 400 of the transfer unit shown in FIG. 1, and FIG. 3 is an exploded view of the suction plate 200, the belt 300, and the suction block 400 of the transfer unit 10 shown in FIG. 1.

[0025] Hereinafter, the x-axis direction of the drawings indicates the front-rear direction of the secondary battery electrode production system and indicates the electrode transfer direction, the y-axis direction of the drawings indicates the left-right direction of the secondary battery electrode production system and indicates the electrode width direction, and the z-axis direction of the drawings indicates the up-down direction of the secondary battery electrode production system. In the following description of the embodiments, "front side" and "rear side" are based on the electrode transfer direction, and "upper side" and "lower side" are based on the up-down direction.

[0026] The electrode is fed from the unwinding section to the notching section, where an electrode tab is formed. The electrode with the electrode tab formed is loaded into the transfer section 10 and transferred to the magazine side.

[0027] The transfer unit 10 may include a suction driving unit 100, a suction plate 200, a belt 300 that moves along the suction plate 200, and a plurality of suction blocks 400 that are coupled to the belt 300.

[0028] The transfer unit 10 can be divided into a loading area (A21), a first inspection area (A22), a first unloading area (A11), a second inspection area (A23), and a second unloading area (A12) in that order based on the x-axis direction of the drawing.

[0029] The loading area (A21) adsorbs a sheet of electrode and loads it onto the suction block (400). The first inspection area (A22) inspects the electrodes (S) loaded in the loading area (A21) for defects.

[0030] The first unloading area (A11) ejects electrodes (S) that are determined to be defective in the first inspection area (A22). In the first unloading area (A11), the electrodes (S) determined to be defective can be ejected by pushing the electrodes (S) through a pusher device. Alternatively, the electrodes (S) can be ejected by simply releasing the suction. Alternatively, the suction and pusher device can be used together to eject the electrodes (S). The electrodes (S) determined to be defective are loaded into a separate box or magazine.

[0031] The second inspection area (A23) inspects the non-defective electrodes (S) that have not been discharged from the first unloading area (A11). The second unloading area (A12) discharges the electrodes (S) that have passed through the second inspection area (A23) to the magazine 20. Non-defective electrodes (S) are loaded into the magazine.

[0032] Hereinafter, the first area is defined as an area where the electrode (S) is discharged and the electrode (S) is separated from the suction block 400 and the suction block 400 is opened. The first area (A1) corresponds to the first unloading area (A11) and the second unloading area (A12).

[0033] Hereinafter, the second area (A2) is defined as an area where the suction block 400 is not released and where the suction force to the electrode (S) is maintained. The second area (A2) corresponds to the loading area (A21), the first inspection area (A22), and the second inspection area (A23).

[0034] The suction plate 200 is disposed long in the front-rear direction (x). The belt 300 is disposed so as to move along the suction plate 200. The belt 300 is disposed so as to circulate through a motor.

[0035] A portion of the belt 300 is positioned below the suction plate 200. The suction block 400 is coupled to the underside of the belt 300. The electrode (S) is positioned below the suction block 400. The electrode (S) is attracted to the suction block 400 and transported.

[0036] The suction plate 200 is connected to the suction driver 100 to provide suction force to the electrode (S). The suction driving part 100 includes a plurality of suction units 110, 120, 130, 140, and 150. The first suction unit 110 is connected to the loading area A21. The second suction unit 120 is connected to the first inspection area A22. The third suction unit 130 is connected to the first unloading area A11. The fourth suction unit 140 is connected to the second inspection area A23. The fifth suction unit 150 is disposed in the second unloading area A12.

[0037] The suction drive unit 100 can control the first suction unit 110, the second suction unit 120, the third suction unit 130, the fourth suction unit 140, and the fifth suction unit 150 independently.

[0038] A pair of suction blocks 400 can suction one electrode S. The suction blocks 400 are aligned and arranged in the loading area A21, the first testing area A22, the first unloading area A11, the second testing area A23, and the second unloading area A12.

[0039] FIG. 4 is a diagram showing the suction plate 200. As shown in FIG. 4, the suction plate 200 includes a plurality of first protrusions (P1) protruding from the bottom surface. The first protrusions (P1) are arranged long in the front-rear direction (x). The suction plate 200 also includes first flow paths (U1). The first flow paths (U1) are arranged in the first protrusions (P1). The first protrusions (P1) increase the adhesion with the belt 300, thereby preventing air leakage between the belt 300 and the suction plate 200.

[0040] The plurality of first protrusions (P1) are arranged at regular intervals. A first groove (G1) is located between the first protrusions (P1). The first groove (G1) is arranged long in the front-rear direction (x).

[0041] The plurality of first flow paths (U1) are arranged in a plurality of rows (N1, N2, N3, N4, N5). For example, the first flow paths (U1) are arranged in five rows (N1, N2, N3, N4, N5). The five first flow paths (U1) are arranged along the first row (N1), the second row (N2), the third row (N3), the fourth row (N4), and the fifth row (N5), respectively. The five first flow paths (U1) are partitioned from each other and formed independently.

[0042] The number of man-hours is determined depending on the required process of the equipment, and the quantity of the first flow paths (U1) is determined in the same way as the number of man-hours. The transfer section 10 passes through five areas, namely, the loading area (A21), the first testing area (A22), the first unloading area (A11), the second testing area (A23), and the second unloading area (A12), and the number of first flow paths (U1) is also five correspondingly.

[0043] FIG. 5 is a diagram showing a belt 300. Referring to FIG. 5, the upper surface of the belt 300 contacts the lower surface of the suction plate 200 .

[0044] The belt 300 may include a second protrusion (P2). The second protrusion (P2) protrudes from the upper surface of the belt 300, which faces the suction plate 200. The second protrusion (P2) is formed long in the front-rear direction (x). The second protrusion (P2) may have an uneven structure to improve contact with the suction plate 200.

[0045] The belt 300 may include a second groove (G2). The second groove (G2) is located between the second protrusions (P2). The second groove (G2) is formed in a concave shape on the upper surface of the belt 300 that faces the suction plate 200. The second groove (G2) is formed long in the front-rear direction (x).

[0046] FIG. 6 is a view showing the second hole (H2) of the belt 300. Referring to FIG. 6, the belt 300 includes a plurality of second holes (H2). The second holes (H2) serve to connect the suction plate 200 and the suction block 400. The second holes (H2) may include a 2-1 hole (H21), a 2-2 hole (H22), a 2-3 hole (H23), a 2-4 hole (H24), and a 2-5 hole (H25). The 2-1 holes (H21) are arranged in the first row (N1). The 2-2 holes (H22) are arranged in the second row (N2). The 2-3 holes (H23) are arranged in the third row (N3). The 2-4 holes (H24) are arranged in the fourth row (N4). The 2-5 holes (H25) are arranged in the fifth row (N5).

[0047] The 2-1 hole (H21) is connected to the first flow path (U1) arranged corresponding to the first row (N1). The 2-2 hole (H22) is connected to the first flow path (U1) arranged corresponding to the second row (N2). The 2-3 hole (H23) is connected to the first flow path (U1) arranged corresponding to the third row (N3). The 2-4 hole (H24) is connected to the first flow path (U1) arranged corresponding to the fourth row (N4). The 2-5 hole (H25) is connected to the first flow path (U1) arranged corresponding to the fifth row (N5).

[0048] FIG. 7 is a view showing the suction block 400, and FIG. 8 is a side cross-sectional view of the suction block 400 taken along line AA in FIG. 7, the suction block 400 may include a block body 410 and a suction tip 420. The block body 410 includes a second passage U2 and a first hole H1. The second passage U2 is disposed inside the block body 410. The first hole H1 connects the second passage U2 to the outside.

[0049] The block body 410 may have a rectangular parallelepiped shape. The suction tips 420 are disposed on one side and the other side of the block body 410. The suction tips 420 come into contact with the electrode (S).

[0050] FIG. 9 is a view showing the position of the first hole (H1) of the suction block 400. As shown in FIG. 9, two suction blocks 400 are paired to suck one electrode S. For example, five pairs of suction blocks 400 may correspond to the loading area A21, the first inspection area A22, the first unloading area A11, the second inspection area A23, and the second unloading area A12, respectively.

[0051] The first hole (H11) of one of the sequentially arranged suction blocks 400 is arranged in the first row (N1). The first hole (H11) corresponds to the second hole (H21) and the first flow path (U11) arranged in the first row (N1). That is, the first hole (H11) and the second hole (H21) arranged in the first row (N1) communicate with the first flow path (U11).

[0052] Another first hole (H12) among the sequentially arranged suction blocks 400 is arranged in the second row (N2). The first hole (H12) corresponds to the second hole (H22) and the first flow path (U12) arranged in the second row (N2). That is, the first hole (H12) and the second hole (H22) arranged in the second row (N2) communicate with the first flow path (U12).

[0053] Another first hole (H13) among the sequentially arranged suction blocks 400 is arranged in the third row (N3). The first hole (H13) corresponds to the second hole (H23) and the first flow path (U13) arranged in the third row (N3). That is, the first hole (H13) and the second hole (H23) arranged in the third row (N3) communicate with the first flow path (U13).

[0054] Another first hole (H14) among the sequentially arranged suction blocks 400 is arranged in the fourth row (N4). The first hole (H14) corresponds to the second hole (H24) and the first flow path (U14) arranged in the fourth row (N4). That is, the first hole (H14) and the second hole (H24) arranged in the fourth row (N4) communicate with the first flow path (U14).

[0055] Another first hole (H15) among the sequentially arranged suction blocks 400 is arranged in the fifth row (N5). The first hole (H15) corresponds to the second hole (H25) and the first flow path (U15) arranged in the fifth row (N5). That is, the first hole (H15) and the second hole (H25) arranged in the fifth row (N5) communicate with the first flow path (U15).

[0056] FIG. 10 is a view showing a state in which some of the plurality of connection holes of the suction plate 200 are connected to the first flow path (U1). 10, the first protrusion (P1) of the suction plate 200 is disposed in the second groove (G2) of the belt 300. The first groove (G1) of the suction plate 200 has the second protrusion (P2) of the belt 300 disposed therein.

[0057] The suction plate 200 includes a plurality of connecting holes (CH). The number of connecting holes (CH) corresponds to the number of first flow paths (U1). One connecting hole (CH) is arranged corresponding to each of the independently partitioned first flow paths (U1). The connecting holes (CH) serve to connect the suction driver and the first flow paths (U1).

[0058] The fifth connecting hole (CH5) communicates with the first flow path (U15) arranged in the fifth row (N5), and the second connecting hole (CH2) communicates with the first flow path (U12) arranged in the second row (N2).

[0059] The first flow paths (U12) arranged in the second row (N2) are connected to the second suction unit 120 through the second connection hole (CH2). The second suction unit 120 can control the suction of the suction block 400 connected to the first flow paths (U12) arranged in the second row (N2).

[0060] The first flow paths (U15) arranged in the fifth row (N5) are connected to the fifth suction unit 150 through the fifth connection hole (CH5). The fifth suction unit 150 can control the suction of the suction block 400 connected to the first flow paths (U15) arranged in the fifth row (N5).

[0061] FIG. 11 is a view showing a state in which some of the plurality of connection holes (CH) of the suction plate 200 communicate with the first flow path (U1). 11, the fourth connection hole CH4 is connected to the first flow passage U14 arranged in the fourth row N4. The first connection hole CH1 is connected to the first flow passage U11 arranged in the first row N1. The first flow passage U14 arranged in the fourth row N4 is connected to the fourth suction unit 140 through the fourth connection hole CH4. The fourth suction unit 140 can control the suction of the suction block 400 connected to the first flow passage U14 arranged in the fourth row N4.

[0062] The first flow paths (U11) arranged in the first row (N1) are connected to the first suction unit 110 through the first connection hole (CH1). The first suction unit 110 can control the suction of the suction block 400 connected to the first flow paths (U11) arranged in the first row (N1).

[0063] FIG. 12 is a view showing a state in which some of the plurality of connection holes (CH) of the suction plate 200 communicate with the first flow path (U1). 12, the third connection hole CH3 is connected to the first flow paths U13 arranged in the third row N3. The first flow paths U13 arranged in the third row N3 are connected to the third suction unit 130 through the third connection hole CH3. The third suction unit 130 can control the suction of the suction block 400 connected to the first flow paths U13 arranged in the third row N3.

[0064] FIG. 13 is a diagram showing a state in which the suction blocks 400 arranged in the fifth row (N5) are connected to the first flow path (U1) of the suction plate 200. 13, the first flow passages U15 arranged in the fifth row N5 communicate with the second holes H25 of the belts 300 arranged in the fifth row N5. The second holes H25 of the belts 300 arranged in the fifth row N5 communicate with the first holes H15 of the suction blocks 400 arranged in the fifth row N5. The first holes H15 connect the first flow passages U15 and the second flow passages U2, ultimately connecting the first flow passages U15 and the suction tip 420.

[0065] FIG. 14 is a diagram showing a state in which the suction blocks 400 arranged in the fourth row (N4) are connected to the first flow path (U1) of the suction plate 200. 14, the first flow paths U14 arranged in the fourth row N4 communicate with the second holes H24 of the belts 300 arranged in the fourth row N4. The second holes H24 of the belts 300 arranged in the fourth row N4 communicate with the first holes H14 of the suction blocks 400 arranged in the fourth row N4. The first holes H14 connect the first flow paths U14 and the second flow paths U2, ultimately connecting the first flow paths U14 and the suction tip 420.

[0066] Although not shown, the suction blocks 400 arranged in the first row (N1), the second row (N2) and the third row (N3) also communicate with the first flow path (U1) in the same manner. In this way, because the components connected to the suction block 400 are physically separated, the suction state of the first area A1 where the electrode S is separated (unloaded) does not affect the suction state of the second area A2. That is, even if the electrode S is separated into the suction tip 420 in the first unloading area A11 and the second flow path U2 of the suction block 400 is opened, this does not affect the suction state of the suction block 400 in the first testing area A22 adjacent to the first unloading area A11 or the suction state of the suction block 400 in the second testing area A23, so the suction state of the electrode S can be maintained in the first testing area A22 and the second testing area A23.

[0067] Meanwhile, the suction driving section 100 can control each of the suction units 110, 120, 130, 140, and 150 independently in the first area (A1). For example, when a suction block 400 having a first hole (H1) arranged in the third row (N3) is located in the first unloading area (A11), the suction driving unit can control the suction unit 130 connected to the first flow path (U13) corresponding to the third row (N3) to release the suction to discharge the defective electrode (S) from the first unloading area (A11).

[0068] Next, the suction driver 100 sequentially controls the suction unit 140 connected to the first flow path U14 corresponding to the fourth row N4 in the first unloading area A11. Then, it controls the suction unit 150 connected to the first flow path U15 corresponding to the fifth row N5 in the first unloading area A11. Then, it controls the suction unit 110 connected to the first flow path U1 corresponding to the first row N1 in the first unloading area A11. Then, it controls the suction unit 120 connected to the first flow path U12 corresponding to the second row N2 in the first unloading area A11.

[0069] While specific embodiments of the secondary battery electrode (S) production system of the present invention have been described above, it is obvious that various modifications are possible within the scope of the present invention.

[0070] Therefore, the scope of the present invention should be determined not only by the described embodiments, but also by the claims set forth below and their equivalents.

[0071] In other words, it should be understood that the above-described embodiments are illustrative in all respects and not limiting, and the scope of the present invention is indicated by the claims below rather than by the detailed description, and all modifications and variations derived from the meaning and scope of the claims and their equivalent concepts should be interpreted as being included in the scope of the present invention. [Industrial Applicability]

[0072] The present invention is applicable to the field of secondary battery manufacturing equipment.

Claims

1. A secondary battery electrode production system including a transfer unit that transfers electrodes, The transfer unit is divided into a first region for unloading the electrode and a second region for loading or holding the electrode, the conveying unit includes a suction driving unit, a suction plate, a belt that moves along the suction plate, and a plurality of suction blocks that are connected to the belt; the suction plate includes a plurality of first flow paths that are separated from each other, Each of the suction blocks includes a second flow path and a first hole connected to the second flow path, the belt includes a second hole aligned with the first hole; a first hole of the suction block located in the first region among the plurality of suction blocks, which is connected to one of the plurality of first flow paths, and a first hole of the suction block located in the second region, which is connected to another of the plurality of first flow paths.

2. The first flow paths are arranged in a plurality of rows, 2. The system for producing electrodes for secondary batteries according to claim 1, wherein the first holes of the suction blocks located in the first region and the first holes of the suction blocks located in the second region are aligned in different rows of the first flow path.

3. 2. The system for producing electrodes for secondary batteries according to claim 1, wherein the suction block includes: a block body including the second flow path and the first hole; and a suction tip coupled to the block body, communicating with the second flow path and contacting the electrode.

4. The first flow paths are arranged in a plurality of rows, the suction plate includes an inlet connected to the suction driver; The secondary battery electrode production system according to claim 1 , wherein the inlets are arranged in alignment with the rows.

5. the transport unit includes a loading area for loading the electrodes along a moving direction of the electrodes, a first inspection area for performing a primary inspection of the electrodes loaded in the loading area, and a first unloading area for discharging electrodes determined to be defective in the first inspection area, 2 . The secondary battery electrode production system according to claim 1 , wherein the first area is the first unloading area, and the second area is the loading area and the first inspection area.

6. the transport unit includes a second inspection area for performing a second inspection on the electrodes that have not been discharged from the first unloading area, and a second unloading area for loading the electrodes inspected in the second inspection area into a magazine, The secondary battery electrode production system according to claim 5 , wherein the first area is the second unloading area, and the second area is the second inspection area.

7. The first flow paths are arranged in a plurality of rows, The system for producing an electrode for a secondary battery according to claim 1 , wherein the suction driver includes a plurality of suction units arranged in a plurality of rows and respectively communicating with the first flow passages.

8. The system of claim 7 , wherein the suction driver sequentially releases the suction of the plurality of suction units in the first region.

9. the suction plate includes a plurality of first protrusions protruding from a lower surface thereof, The secondary battery electrode production system according to claim 1 , wherein the first flow path is disposed in the first protrusion and opens toward the belt at the first protrusion.

10. the belt includes a second groove in which the second hole is disposed, the first protrusion is disposed in the second groove, The system for producing an electrode for a secondary battery according to claim 9 , wherein the second groove is arranged along the first flow path.

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