WO2024196024A1 - 레이저 노칭시 발생하는 이물 포집 장치 및 이를 이용한 이물 포집 방법 - Google Patents
레이저 노칭시 발생하는 이물 포집 장치 및 이를 이용한 이물 포집 방법 Download PDFInfo
- Publication number
- WO2024196024A1 WO2024196024A1 PCT/KR2024/001997 KR2024001997W WO2024196024A1 WO 2024196024 A1 WO2024196024 A1 WO 2024196024A1 KR 2024001997 W KR2024001997 W KR 2024001997W WO 2024196024 A1 WO2024196024 A1 WO 2024196024A1
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- WO
- WIPO (PCT)
- Prior art keywords
- foreign matter
- generated during
- during laser
- notching
- blowing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/16—Removal of by-products, e.g. particles or vapours produced during treatment of a workpiece
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B15/00—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area
- B08B15/04—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area from a small area, e.g. a tool
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/14—Working by laser beam, e.g. welding, cutting or boring using a fluid stream, e.g. a jet of gas, in conjunction with the laser beam; Nozzles therefor
- B23K26/142—Working by laser beam, e.g. welding, cutting or boring using a fluid stream, e.g. a jet of gas, in conjunction with the laser beam; Nozzles therefor for the removal of by-products
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/36—Removing material
- B23K26/362—Laser etching
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/36—Removing material
- B23K26/38—Removing material by boring or cutting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B15/00—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area
- B08B15/02—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area using chambers or hoods covering the area
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K2101/00—Articles made by soldering, welding or cutting
- B23K2101/36—Electric or electronic devices
- B23K2101/38—Conductors
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Definitions
- the present invention relates to a foreign matter collecting device and a collecting method for collecting foreign matters generated during an electrode tab forming process using a laser.
- Secondary batteries that can be recharged and discharged are closely used in everyday life, such as mobile devices, electric vehicles, and hybrid electric vehicles.
- These secondary batteries are arranged in a number of battery cells in small devices to meet the needs of users, but in automobiles and the like, battery modules that electrically connect a number of battery cells or battery packs equipped with a number of such battery modules are used.
- lithium secondary batteries are classified into cylindrical or square secondary batteries in which the electrode assembly is built into a cylindrical or square metal can, depending on the shape of the battery case, and pouch-type secondary batteries in which the electrode assembly is built into a pouch-type case made of aluminum laminate sheet.
- the electrode assembly is formed by laminating the positive and negative electrodes so that a separator is interposed between them, and the positive and negative electrodes are manufactured through a process of forming electrode tabs on the positive and negative electrode sheets, respectively, and a process of cutting them into unit electrodes.
- a laser is irradiated to remove the remaining portion of the electrode sheet except for the electrode tab.
- foreign matter flying during laser notching must be captured and removed reliably because if it adheres to the electrode, it can lead to a defect.
- Fig. 1 is a drawing showing the removal of foreign matter during laser notching according to the prior art.
- a suction unit (30) is connected to the inside of the main body (10) and a blowing unit (40) composed of a plurality of air knives (41) is provided, when the blowing unit (40) blows air and foreign matter in a direction horizontal to the width direction of the electrode sheet (1) being transported, the blown air and foreign matter are sucked into the suction unit (30) that is connected to a position facing the blowing unit (40) and removed.
- Patent Document 1 Korean Patent Publication No. 2015-0062847 (June 8, 2015)
- the present invention aims to provide a foreign matter collecting device having a structure capable of reliably collecting foreign matter generated during an electrode notching process using a laser.
- the present invention aims to provide a foreign matter capturing method capable of reliably capturing foreign matter generated during an electrode notching process using a laser.
- the foreign matter collecting device generated during laser notching is characterized by including: a foreign matter collecting unit (100) positioned so that an open side faces the notched portion of the electrode (E) to collect foreign matters generated when an electrode (E) is supplied so as to be in close contact with the outer surface of a cylindrical rotating drum (RD), and a laser beam is irradiated onto the electrode (E) to notch an edge portion of the electrode (E); a foreign matter transport unit (200) positioned below the foreign matter collecting unit (100) to transport the captured foreign matters; a blowing unit (300) positioned above the foreign matter collecting unit (100) to spray air downward; and a scrap guide unit (400) for guiding scrap (S) generated by notching downwardly outside the foreign matter collecting unit (100).
- a foreign matter collecting unit (100) positioned so that an open side faces the notched portion of the electrode (E) to collect foreign matters generated when an electrode (E) is supplied so as to be in close contact with the outer surface of a cylindrical rotating drum (RD), and a laser beam
- the foreign matter capturing portion (100) includes a first surface (110) and a second surface (120) which are positioned vertically and spaced apart from each other by a predetermined interval; a third surface (130) positioned along one edge of the vertical direction of the first surface (110) and the second surface (120); and a fourth surface (140) positioned along the upper edge of the first surface (110) and the second surface (120).
- the third surface (130) is provided with a second viewing window (131) through which a laser beam passes, and the fourth surface (140) is provided with a first through-hole (141) and a second cutout (142) for guiding the air downward.
- the fourth surface (140) is characterized in that it slopes upward as it goes forward.
- the lower portion of the vertical opposite edge of the first surface (110) and the second surface (120) is provided with a first inclined portion (112) and a second inclined portion (122) inclined at a certain angle toward the rear, and a fifth surface (150) connecting the first inclined portion (112) and the second inclined portion (122) is further provided.
- the blowing part (300) is characterized by including a first blowing part (310) positioned at the first through hole (141) and a second blowing part (320) positioned at the second cutting part (142).
- the first blowing unit (310) is characterized by including a block-shaped first blowing unit body (311) having a first air inlet (311a) provided on a side and a first air injection port (311b) provided on a lower surface, and a first air supply member (312) mounted on the first air inlet (311a).
- the lower surface of the first blowing part (310) is characterized by having a recessed part (311c) whose depth increases as it goes toward the rear.
- the second blowing unit (320) is characterized by including a cylindrical or polygonal column-shaped second blowing unit body (321) having a second air inlet (321a) provided on the side and a slit-shaped second air injection port (321b) provided on the lower surface, and a second air supply member (322) mounted on the second air inlet (321a).
- the foreign matter transport unit (200) includes a first transport pipe (210) connected to the foreign matter collecting unit (100) and a second transport pipe (220) located below the first transport pipe (210), wherein the first transport pipe (210) is characterized by having a cone shape with a cross-sectional area that becomes smaller as it goes down.
- a first cutting portion (121) cut in an arc shape is formed on the other vertical edge of the second surface (120).
- the first surface (110) and the second surface (120) are characterized in that the distance between them increases as they go forward.
- the scrap guide part (400) is characterized by including a fixing part (410) in contact with the fifth surface (150), and a plate-shaped guide plate (420) connected to the fixing part (410) and having a predetermined curvature.
- the foreign matter capturing device generated during laser notching it is characterized in that an upper portion of the guide plate (420) is located inside the foreign matter capturing unit (100), while the remaining area is located outside the foreign matter capturing unit (100) and extends downward by a certain length.
- the method for capturing foreign substances comprises a first step of positioning a foreign substance capturing device at a position spaced apart from a cylindrical rotating drum (RD); and a second step of irradiating the laser beam to notch an edge portion of an electrode (E); characterized in that a step of supplying air to a blowing unit (300) is performed before the second step.
- the foreign matter capturing portion has an advantage in that the remaining surfaces except for one surface facing the electrode are sealed, thereby facilitating the capturing of foreign matters generated during laser notching.
- the foreign matter capturing device generated during laser notching according to the present invention since a plurality of blowing sections are provided, the introduction into the foreign matter capturing section and the transport to the foreign matter transport section can be carried out effectively.
- Figure 1 is a drawing showing the removal of foreign substances during laser notching according to conventional technology.
- FIG. 2 is a perspective view showing a foreign matter collecting device according to a preferred embodiment of the present invention mounted near a rotating drum.
- Figure 4 is a perspective view of the foreign matter collection device illustrated in Figure 3 as viewed from the other side.
- Figure 5 is a perspective view of the foreign matter collection device shown in Figure 3 viewed from below.
- Figure 6 is a perspective view from above of the foreign matter collection device illustrated in Figure 3.
- Fig. 7 is a cross-sectional view of the foreign matter collection device illustrated in Fig. 3 taken along the A-A direction.
- Figure 8 is an exploded perspective view of the foreign matter collection device shown in Figure 3.
- Fig. 9 is a perspective view of the first blowing section of the foreign matter collecting device illustrated in Fig. 3, viewed from below.
- Fig. 10 is a perspective view of the second blowing section of the foreign matter collecting device illustrated in Fig. 3, viewed from above.
- Fig. 11 is a perspective view of the second blowing part illustrated in Fig. 10 viewed from below.
- Figure 12 is an exploded perspective view of the second blowing section shown in Figure 10.
- Fig. 13 is a cross-sectional view of the second blowing part illustrated in Fig. 10 taken along the B-B direction.
- Fig. 14 is a perspective view of the scrap guide part of the foreign matter capturing device illustrated in Fig. 3.
- the X-axis direction indicated in the drawing is defined as the width direction, the Y-axis direction as the height direction, and the Z-axis direction as the length direction.
- forward refers to the direction closer to the rotating drum to which the electrodes are supplied
- rear refers to the direction away from the rotating drum.
- Fig. 2 is a perspective view showing a foreign matter collecting device according to a preferred embodiment of the present invention mounted near a rotating drum.
- the foreign matter collecting device of the present invention is a device for collecting foreign matters generated when notching an edge portion of an electrode (E), and is located near a cylindrical rotating drum (RD) to which the electrode (E) is supplied.
- RD cylindrical rotating drum
- the electrode (E) can be divided into a positive electrode and a negative electrode, and each of the positive electrode and negative electrode has a maintenance portion (E1) coated with an active material and a non-coated portion (E1) not coated with an active material, and a laser beam is irradiated toward the non-coated portion (E1) located at the edge to form a tab of a certain shape.
- the scrap (S) which is the portion cut to form the tab, must be separated from the electrode (E).
- the negative electrode sheet is manufactured by applying a slurry containing a negative electrode active material and a binder to a negative electrode current collector such as copper.
- the negative electrode active material include carbon such as non-graphitizable carbon and graphite carbon; metal composite oxides such as Li x Fe 2 O 3 (0 ⁇ x ⁇ 1), Li x WO 2 (0 ⁇ x ⁇ 1), Sn x Me 1-x Me'yOz (Me: Mn, Fe, Pb, Ge; Me': Al, B, P, Si, elements of group 1, 2, and 3 of the periodic table, halogen; 0 ⁇ x ⁇ 1; 1 ⁇ y ⁇ 3; 1 ⁇ z ⁇ 8); lithium metal; lithium alloy; silicon-based alloy; tin-based alloy; Metal oxides such as SnO, SnO 2 , PbO, PbO 2 , Pb 2 O 3 , Pb 3 O 4 , Sb 2 O 3 , Sb 2 O 4 , Sb
- the positive electrode sheet is manufactured by applying a slurry containing a positive electrode active material and a binder to a positive electrode current collector such as aluminum.
- FIG. 3 is a perspective view of the foreign matter capturing device illustrated in FIG. 2 as viewed from one side
- FIG. 4 is a perspective view of the foreign matter capturing device illustrated in FIG. 3 as viewed from the other side
- FIG. 5 is a perspective view of the foreign matter capturing device illustrated in FIG. 3 as viewed from below.
- FIG. 6 is a perspective view from above of the foreign matter capturing device illustrated in FIG. 3
- FIG. 7 is a cross-sectional view taken along the A-A direction of the foreign matter capturing device illustrated in FIG. 3
- FIG. 8 is an exploded perspective view of the foreign matter capturing device illustrated in FIG. 3.
- the foreign matter capturing device is configured to include a foreign matter capturing unit (100), a foreign matter transport unit (200), a blowing unit (300), and a scrap guide unit (400).
- the foreign matter collecting unit (100) is arranged so as to face the notching portion of the electrode (E) that is continuously supplied so as to be in close contact with the outer surface of the cylindrical rotating drum (RD), and has one side open so that foreign matter generated during notching by a laser beam can be collected.
- the capturing portion (100) has a plurality of surfaces connected to each other to form a space.
- the first surface (110) and the second surface (120) are positioned vertically with respect to the ground and spaced apart from each other by a certain distance, and a third surface (130) is provided along one vertical edge of the first surface (110) and the second surface (120), and a fourth surface (140) is provided along the upper edge of the first surface (110) and the second surface (120).
- a first viewing window (111) be provided on the first side (110) so that the electrode (E) notching process by the laser beam can be visually observed
- a second viewing window (131) is provided on the third side (130) so that the laser beam irradiated from the laser irradiator (not shown) can pass through the foreign matter collecting section (100) and then reach the electrode (E) uncoated section (E2).
- the second viewing window (131) is not particularly limited as long as the laser beam can penetrate through it, and may be, for example, glass or quartz.
- a first through hole (141) and a second cutout (142) in front of the first through hole (141) are provided so that the air supplied by the blowing part (300) can be directed downward, more specifically, toward the foreign matter transfer part (200). A detailed description of these will be provided later.
- first surface (110) and the second surface (120) be spaced apart from each other as they approach the front, i.e., the direction in which the rotating drum (RD) is positioned, and it is more preferable that the upper edges of the first surface (110) and the second surface (120) are inclined with respect to the ground so that the fourth surface (140) can face upward as they approach the front.
- the area where notching is performed can be sufficiently covered, thereby increasing the ability to capture foreign substances.
- a first cutting portion (121) cut in an arc shape is provided on a part of the vertical other side edge of the second side (120) facing the rotating drum (RD), while the vertical other side edge of the first side (110) is in a vertical state without a cut portion.
- the uncoated portion (E2) of the electrode (E) is located at the edge of the electrode collector, and during the notching process, the uncoated portion (E2) is usually supplied so as to be in close contact with the outer surface of the edge of the rotating drum (RD).
- first cut portion (121) having a curvature similar to that of the rotary drum (RD) on the vertical other edge of the second surface (120)
- the first surface (110) can cover a part of the side of the rotary drum (RD), thereby improving the capture efficiency of foreign substances (see FIG. 2).
- first inclined portion (112) and second inclined portion (122) that are inclined at a certain angle downwards toward the rear to facilitate movement of captured foreign substances to the foreign substance transport unit (200), and these first inclined portions (112) and second inclined portions (122) are connected by the fifth side (150).
- the first flange (160) that is detachably connected to the foreign body transfer unit (200) is located along the lower edges of the first surface (110), the second surface (120), the third surface (130), and the fifth surface (150) described above.
- the foreign body transfer unit (200) is configured to include a first transfer pipe (210), a second transfer pipe (220) located below the first transfer pipe (210), and a second flange (230).
- the first transfer pipe (210) connected to communicate with the foreign matter capturing unit (100) be a cone-shaped one whose inner diameter or cross-sectional area becomes smaller as it goes down to facilitate the transport of captured foreign matter.
- the second transport pipe (220) is connected to a container (not shown) for collecting captured foreign substances, and although not shown in the drawing, it is preferable to connect a known suction means (not shown) such as a vacuum pump so that the inside of the foreign substance collecting unit (100) is in a negative pressure state.
- a known suction means such as a vacuum pump
- the second flange (230) provided along the upper edge of the first transport pipe (210) is connected to the first flange (160) of the foreign matter collecting unit (100) described above.
- the blowing unit (300) is located above the foreign matter collection unit (100) and sprays air downward, and is composed of a first blowing unit (310) and a second blowing unit (320).
- Fig. 9 is a perspective view of the first blowing section of the foreign matter collecting device illustrated in Fig. 3, viewed from below.
- the first blowing section will be described in detail with reference to Figs. 3, 7, 8, and 9.
- the first blowing unit (310) is configured to include a first blowing unit body (311) that receives and sprays air, and a first air supply member (312) for supplying external air to the first blowing unit body (311).
- the first blowing body (311) has a block shape with an outer shape that is roughly hexahedral, and is provided with one or more first air inlets (311a) on both sides in the longitudinal direction (Z-axis).
- a plurality of first air injection ports (311b) are formed on the surface facing the through hole (141) provided on the fourth surface (140) of the foreign matter collecting unit (100).
- the first air inlet (311a) and the first air injection port (311b) must be connected.
- the first air supply member (312) is mounted on the first air inlet (311a) and is connected to a known air supply means (not shown) such as a compressor to supply air to the first blowing unit body (311).
- the lower surface of the first blowing part (310) where the first air injection port (311b) is located be provided with a recessed part (311c) whose depth increases as it goes toward the rear.
- the fourth surface (140) is inclined upward as it goes toward the front, and thus it is advantageous in guiding the air injected through the first air injection port (311b) toward the first transfer pipe (210).
- first air supply members (312) Although only a pair of first air supply members (312) are illustrated in FIG. 9, it is self-evident that a first air supply member must be mounted on each of the first air inlets (311a), and if a sufficient amount of air can be injected through the first air injection port (311b), a pair of first air inlets (311a) or only one first air inlet port (311a) may be provided.
- FIG. 10 is a perspective view of the second blowing part of the foreign matter collecting device illustrated in FIG. 3 as viewed from above
- FIG. 11 is a perspective view of the second blowing part illustrated in FIG. 10 as viewed from below
- FIG. 12 is an exploded perspective view of the second blowing part illustrated in FIG. 10
- FIG. 13 is a cross-sectional view of the second blowing part illustrated in FIG. 10 taken along the B-B direction.
- the second blowing unit (320) is configured to include a second blowing unit body (321) that receives and sprays air, a second air supply member (322) for supplying external air to the second blowing unit body (321), and a support member (323) for fastening the second blowing unit body (321) to the fourth surface (140) of the collecting unit (100).
- the second blowing body (321) has a cylindrical or polygonal columnar shape with an interior that is hollow, and is provided with a second air inlet (321a) connected to a second air supply member (322) on one side or both sides, while a slit-shaped second air injection port (321b) is provided along the width direction (X-axis).
- the second blowing body (321) is positioned on the second cut portion (142) of the fourth surface (140) corresponding to the upper surface of the aforementioned foreign matter collecting portion (100), and the fourth surface (140) is inclined toward the top. Therefore, it is preferable that the second cut portion (142) is inclined so that the air injected through the second air injection port (321b) can be directed vertically downward (see FIG. 13).
- the support member (323) is depicted as having both ends folded to support the second blowing member body (321), but the external shape can be changed as much as desired as long as the second blowing member body (321) can be fixed to the fourth surface (140).
- the second blowing unit (320) having the aforementioned configuration can serve as a kind of air curtain, so that it is expected to have the effect of preventing foreign matter that has entered the foreign matter collecting unit (100) from escaping and further preventing scrap (S) from being rolled into the foreign matter collecting unit (100).
- the air pressure injected from the first air injection port (311b) located at the rear must be relatively greater than the air pressure injected through the second air injection port (321b) so that the generated foreign matter can flow into the foreign matter collection unit.
- Fig. 14 is a perspective view of the scrap guide part in the foreign matter capturing device illustrated in Fig. 3.
- the scrap guide part will be described with reference to Figs. 4, 7, and 14 together.
- the scrap guide part (400) is configured to guide scrap (S) generated by notching to the outer downward side of the foreign matter collecting part (100), and includes a fixing part (410) connected to the fifth surface (150), and a guide plate (420) connected to the fixing part (410).
- the fixing part (410) is fixed to the upper or lower surface of the fifth surface (150)
- the guide plate (420) is a plate shape having a certain curvature so as to be bent in a direction opposite to the outer surface of the rotating drum.
- the following describes a method of capturing foreign substances using the aforementioned foreign substance capturing device.
- a method for capturing foreign substances comprises a first step of positioning a foreign substance capturing device at a position spaced apart from a cylindrical rotating drum (RD), and a second step of notching an edge portion of an electrode (E) by irradiating a laser beam.
- the second side (120) of the foreign matter collecting unit (100) is positioned close to the rotating drum (RD), while the first side (110) is positioned so as to cover a part of the side of the rotating drum (RD).
- the electrode (E) to be notched is supplied so as to be in close contact with the outer surface of the cylindrical rotary drum (RD).
- This step of supplying the electrode (E) may be before or after the step of positioning the foreign matter collecting device near the cylindrical rotary drum (RD).
- the step of supplying air to the blowing section be performed before notching begins.
- an additional step of suctioning can be performed to bring the inside of the foreign body transport section into a negative pressure state.
- 311a First air inlet 311b: First air nozzle
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- Battery Electrode And Active Subsutance (AREA)
Abstract
Description
Claims (14)
- 원통형 회전 드럼 외면에 밀착되도록 전극이 공급되며, 상기 전극에 레이저 빔을 조사하여 상기 전극 가장자리 부분을 노칭할 시 발생하는 이물을 포집하는 장치로서,개방된 일면이 상기 전극의 노칭 부분을 향하도록 위치하여 이물을 포집하는 이물 포집부;상기 이물 포집유닛 하부에 위치하여 포집된 이물을 이송하기 위한 이물 이송부;상기 이물 포집유닛 상부에 위치하여 하방으로 에어를 분사하는 블로잉부; 및노칭에 의해 발생한 스크랩을 상기 이물 포집부 외측 하방으로 안내하기 위한 스크랩 가이드부;를 포함하는 것을 특징으로 하는 레이저 노칭시 발생하는 이물 포집장치.
- 제1항에 있어서,상기 이물 포집부는 수직하게 위치하며 일정 간격 이격된 제1 면과 제2 면;상기 제1 면과 제2 면의 수직 방향 일측 가장자리를 따라 위치하는 제3 면; 및상기 제1 면과 제2 면의 상측 가장자리를 따라 위치하는 제4 면;을 포함하며,상기 제3 면에는 레이저 빔이 통과하는 제2 투시창이 구비되고, 상기 제4 면에는 상기 에어를 하방으로 안내하기 위한 제1 관통구와 제2 절개부가 구비된 것을 특징으로 하는 레이저 노칭시 발생하는 이물 포집장치.
- 제2항에 있어서,상기 제4 면은 전방으로 갈수록 상부를 향해 경사져 있는 것을 특징으로 하는 레이저 노칭시 발생하는 이물 포집장치.
- 제3항에 있어서,상기 제1 면과 제2 면의 수직 방향 타측 가장자리 하부는 후방을 향해 일정 각도 경사진 제1 경사부와 제2 경사부가 구비되고, 상기 제1 경사부와 제2 경사부를 연결하는 제5 면이 더 구비된 것을 특징으로 하는 레이저 노칭시 발생하는 이물 포집장치.
- 제2항에 있어서,상기 블로잉부는 상기 제1 관통구에 위치하는 제1 블로잉부와, 상기 제2 절개부에 위치하는 제2 블로잉부를 포함하는 것을 특징으로 하는 레이저 노칭시 발생하는 이물 포집장치.
- 제5항에 있어서,상기 제1 블로잉부는 측면에는 제1 에어 주입구가 구비되고 하면에는 제1 에어 분사구가 마련된 블록 모양의 제1 블로잉부 몸체, 및 상기 제1 에어 주입구에 장착되는 제1 에어 공급부재를 포함하는 것을 특징으로 하는 레이저 노칭시 발생하는 이물 포집장치.
- 제6항에 있어서,상기 제1 블로잉부 하면은 후방으로 갈수록 깊이가 증가하는 함몰부가 구비된 것을 특징으로 하는 레이저 노칭시 발생하는 이물 포집장치.
- 제5항에 있어서,상기 제2 블로잉부는 측면에는 제2 에어 주입구가 구비되고 하면에는 슬릿 모양의 제2 에어 분사구가 마련된 원기둥 또는 다각 기둥 모양의 제2 블로잉부 몸체, 및 상기 제2 에어 주입구에 장착되는 제2 에어 공급부재를 포함하는 것을 특징으로 하는 레이저 노칭시 발생하는 이물 포집장치.
- 제1항에 있어서,상기 이물 이송부는 상기 이물 포집부와 연결되는 제1 이송관 및 상기 제1 이송관 하부에 위치하는 제2 이송관을 포함하되, 상기 제1 이송관은 아래로 갈수록 단면적이 작아지는 콘 형상인 것을 특징으로 하는 레이저 노칭시 발생하는 이물 포집장치.
- 제2항에 있어서,상기 제2 면의 수직 방향 타측 가장자리에는 원호 형상으로 절개된 제1 절개부가 형성된 것을 특징으로 하는 레이저 노칭시 발생하는 이물 포집장치.
- 제2항에 있어서,상기 제1 면과 제2 면은 전방으로 갈수록 이격된 간격이 커지는 것을 특징으로 하는 레이저 노칭시 발생하는 이물 포집장치.
- 제4항에 있어서,상기 스크랩 가이드부는 상기 제5 면과 접하는 고정부, 및 상기 고정부와 연결되며 일정 곡률을 갖는 플레이트 모양의 가이드 판을 포함하는 것을 특징으로 하는 레이저 노칭시 발생하는 이물 포집장치.
- 제12항에 있어서,상기 가이드 판의 상부 일부 영역은 상기 이물 포집부 내부에 위치하는 반면 나머지 영역은 상기 이물 포집부 외부에 위치하면서 하방을 향해 일정 길이 연장되어 있는 것을 특징으로 하는 레이저 노칭시 발생하는 이물 포집장치.
- 제1항에 기재된 레이저 노칭시 발생하는 이물 포집 장치를 사용하여 이물을 포집하는 방법으로서,원통형 회전 드럼과 일정 간격 이격된 위치에 이물 포집 장치를 위치시키는 제1 단계; 및상기 레이저 빔을 조사하여 전극 가장자리 부분을 노칭하는 제2 단계;를 포함하되,상기 제2 단계 이전에 블로잉부로 에어를 공급하는 단계를 수행하는 것을 특징으로 하는 레이저 노칭시 발생하는 이물을 포집하는 방법.
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| CN202480003325.7A CN119497658A (zh) | 2023-03-17 | 2024-02-13 | 收集激光开槽期间产生的异物用的设备及使用其收集异物的方法 |
| EP24775072.2A EP4559616A4 (en) | 2023-03-17 | 2024-02-13 | DEVICE FOR COLLECTING FOREIGN SUBSTANCES GENERATED DURING LASER CUTTING AND METHOD FOR COLLECTING FOREIGN SUBSTANCES USING THEREOF |
| JP2024566010A JP2025515700A (ja) | 2023-03-17 | 2024-02-13 | レーザーノッチング時に発生する異物捕集装置及びこれを用いた異物捕集方法 |
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| KR1020230035340A KR102955949B1 (ko) | 2023-03-17 | 2023-03-17 | 레이저 노칭시 발생하는 이물 포집 장치 및 이를 이용한 이물 포집 방법 |
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| EP4060778A1 (en) * | 2021-03-18 | 2022-09-21 | EO Technics Co., Ltd. | Device for manufacturing electrode |
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Also Published As
| Publication number | Publication date |
|---|---|
| EP4559616A1 (en) | 2025-05-28 |
| KR102955949B1 (ko) | 2026-04-21 |
| JP2025515700A (ja) | 2025-05-20 |
| KR20240140670A (ko) | 2024-09-24 |
| EP4559616A4 (en) | 2026-01-07 |
| CN119497658A (zh) | 2025-02-21 |
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