WO2013115506A1 - Dispositif d'estampage de plaque d'électrode pour batterie secondaire - Google Patents

Dispositif d'estampage de plaque d'électrode pour batterie secondaire Download PDF

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Publication number
WO2013115506A1
WO2013115506A1 PCT/KR2013/000304 KR2013000304W WO2013115506A1 WO 2013115506 A1 WO2013115506 A1 WO 2013115506A1 KR 2013000304 W KR2013000304 W KR 2013000304W WO 2013115506 A1 WO2013115506 A1 WO 2013115506A1
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WO
WIPO (PCT)
Prior art keywords
stamping
cutter
electrode plate
rail
mold
Prior art date
Application number
PCT/KR2013/000304
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English (en)
Korean (ko)
Inventor
김종성
고강호
Original Assignee
주식회사 엠플러스
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Publication date
Application filed by 주식회사 엠플러스 filed Critical 주식회사 엠플러스
Priority to CN201380007239.5A priority Critical patent/CN104094446B/zh
Publication of WO2013115506A1 publication Critical patent/WO2013115506A1/fr

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/50—Current conducting connections for cells or batteries
    • H01M50/531—Electrode connections inside a battery casing
    • H01M50/536—Electrode connections inside a battery casing characterised by the method of fixing the leads to the electrodes, e.g. by welding
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/50—Current conducting connections for cells or batteries
    • H01M50/531—Electrode connections inside a battery casing
    • 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 pole plate stamping apparatus for a secondary battery, and more particularly, in the case of a stamping process for making electrode tabs on a pole plate for a secondary battery, the stamping die is moved while the stamping mold portion moves together in the direction of transfer of the pole plate, and then stamping again. It is not a structure that repeats the process of returning the mold to the original position, the stamping mold is elevated in the original position, and the rail electrode plate intermittently transfers and stops to perform electrode tap stamping on the rail electrode plate by the stamping mold part.
  • a secondary battery electrode plates of a new concept that can lead to desired results relates to a stamping device.
  • secondary batteries can be recharged after use, and their capacity is not infinite, but by repeating the discharge process to some extent, the repeated use of the same battery is possible.
  • the secondary battery is generally made by stacking a plurality of separators between a plurality of positive electrode plates and negative electrode plates. That is, a secondary battery is formed by laminating separators on the positive electrode plate, laminating the negative electrode plate on the separator, again laminating the positive electrode plate on the separator upper surface on the negative electrode plate, and again laminating the separator and the negative electrode plate sequentially.
  • a secondary battery is formed by alternately stacking a positive electrode plate and a negative electrode plate at the boundary of the separator.
  • an electrode having a substantially rectangular metal piece shape at one side end of the side ends on both sides with respect to the longitudinal center line of the reel electrode original plate for manufacturing a pole plate for secondary battery.
  • the electrode plates are cut into individual plates in a rectangular plate shape by cutting the real electrode plates on which the electrode tabs are stamped.
  • a plurality of pole plates are stacked to make a battery pack.
  • the electrode tab is stamped on the rail electrode plate by reciprocating the stamping die portion (ie, the moving part portion) of the stamping device.
  • the weight of the stamping die itself is considerably high, which makes it difficult to overcome the inertia force for the reciprocating motion. Therefore, there is a disadvantage in that various limitations are encountered in the high speed stamping operation.
  • the electrode tab is processed on the rail plate while the stamping die moves along the rail plate, and the stamping die is returned to its original position, that is, the stamping die is moved forward and backward.
  • the electrode tab is formed by stamping on the rail electrode plate, and the weight of the stamping mold, which is a moving part for stamping the electrode tab, is about 70 kg or more, so that the stamping mold along the rail electrode plate is fast within about 0.3 seconds to 0.4 seconds.
  • the present invention was developed to solve the problems as described above, and an object of the present invention is not a structure for reciprocating the stamping die back and forth along the conveying direction of the electrode plate when forming the electrode tab on the secondary battery electrode plate. It is possible to solve the difficulty of overcoming the inertia force due to the forward and backward reciprocating motion of the stamping die part. As such, there is no difficulty of overcoming the inertia force due to the forward and backward reciprocation of the stamping die part, thereby satisfying the requirements for high-speed stamping work. It is an object of the present invention to provide a pole plate stamping apparatus for a secondary battery having a novel structure that brings about various desirable results.
  • the present invention provides a stamping apparatus for forming an electrode tab 6 on the rail electrode plate 4 while transporting the rail electrode plate 4 for forming the electrode plate for the secondary battery, wherein the rail electrode plate 4 passes therethrough.
  • a stamping mold unit (20) disposed in the conveying direction of the rail pole plate (4) and having an upper stamping mold (22) and a lower stamping mold (24) facing the upper and lower surfaces of the rail pole plate (4);
  • At least the upper stamping mold 22 of the upper stamping mold 22 and the lower stamping mold 24 of the stamping mold unit 20 disposed to face the top and bottom surfaces of the rail electrode plate 4 is the rail electrode plate.
  • a stamping cutter unit 40 blanking the upper stamping mold 22 to form the electrode tab 6 on the rail electrode plate 4 when the upper stamping mold 22 descends to the rail electrode plate 4 by the lifting operation unit 30. It provides a pole plate stamping device for a secondary battery comprising a.
  • the stamping mold is moved up and down at high speed in the state of being placed in its original position without moving along the rail pole, and the rail pole plate is intermittently moved and stopped in accordance with the lifting operation of the stamping die portion, and the stamping mold unit and it are mounted thereon. Since the stamping cutter unit can process the electrode tab on the rail plate at a very high speed, it is possible to solve the difficulty of overcoming the inertia force due to the forward and backward reciprocating motion of the stamping die portion. Since there is no difficulty in overcoming the inertia force, it is possible to produce various desirable results, such as being able to meet the requirements of the high-speed stamping operation.
  • the electrode tab is machined on the rail pole plate while moving the stamping die portion along the rail pole plate, and the stamping die is repeatedly moved forward and backward, such as returning the stamping die to its original position.
  • the electrode tab is formed on the pole plate, and the weight of the stamping die portion, which is a moving part for stamping the electrode tab, is about 70 kg or more, so that the high-speed reciprocating operation of the stamping die along the rail pole plate within about 0.3 to 0.4 seconds is possible.
  • the present invention solves this problem neatly. Writing, smoothly perform the step of forming the electrode tab to the electrode plate also without difficulty, and can be called itgetda useful invention that can be faithfully respond to high-speed screen needs.
  • FIG. 1 is an external perspective view showing the configuration of a pole plate stamping apparatus for a secondary battery according to the present invention
  • FIG. 2 is a perspective view illustrating a process of forming an electrode tab on a real electrode plate using the electrode plate stamping apparatus for a secondary battery according to the present invention.
  • FIG. 3 is a left side perspective view of FIG.
  • Figure 4 is a plan view showing the configuration of the main part of the pole plate stamping apparatus for secondary batteries of the present invention
  • 5A and 5B are front views illustrating a process of stamping an electrode tab on a rail electrode plate by a stamping mold unit which is a main part of the present invention
  • Figure 6a is a perspective view showing the upper surface of the upper stamping mold, which is the main part of the present invention.
  • FIG. 6B is a perspective view showing the bottom of the upper stamping mold shown in FIG. 6A
  • FIG. 7 is a perspective view showing a top surface of a lower stamping mold which is a main part of the present invention.
  • FIG. 8 is a perspective view showing a stamping mold unit and a lifting operation unit constituting the present invention.
  • Figure 9a is a plan view showing a connection state of the lifting operation unit and the upper stamping mold which is the main part of the present invention.
  • FIG. 9B and 9C are front views illustrating a process of lifting and lowering the upper stamping mold by the lifting operation unit shown in FIG. 9A.
  • FIGS. 10A and 10B are perspective views illustrating a process of lifting and lowering an upper stamping mold of a stamping mold unit by a lifting operation unit, which is a main part of the present invention
  • FIG. 11 and 12 are perspective views showing the lifting operation of the upper stamping mold of the stamping mold unit shown in FIG.
  • FIG. 13 and 14 are perspective views conceptually illustrating a process of forming an electrode tab on a rail electrode plate by a stamping cutter unit, which is another main part of the present invention.
  • 15 is a perspective view showing the structure of a feeding unit which is another main part of the present invention.
  • FIG. 16 is a right side view of FIG. 15
  • FIG. 17 is a rear view of FIG. 15.
  • FIG. 18 is a perspective view showing the structure of the electrode plate cutting unit constituting the stamping device of the present invention.
  • FIG. 19 is a front view of FIG. 18
  • Secondary pole plate stamping apparatus for a secondary battery according to an embodiment of the present invention and the upper stamping mold 22 disposed in the conveying direction of the real pole plate 4 to pass through the real pole plate 4 which is the original plate for forming the secondary battery pole plate and
  • the stamping mold unit 20 is provided with a lower stamping mold 24.
  • the stamping mold unit 20 is installed on the main body 12 forming the body of the stamping device.
  • the main body 12 is formed in a substantially hexahedral box shape having a space therein.
  • the main body 12 is formed by stamping the electrode tabs 6 at both side ends of the rail electrode plate 4 in the inner space of the main body 12.
  • the front hood 14 and the rear hood 16 are incorporated to guide the blanking metal pieces to fall. See FIGS. 5A and 5B.
  • the upper surface of the main body 12 is provided with a support panel 12a at both left and right positions with respect to the front surface, and the support panel 12a is coupled with a base plate 18 having a rectangular plate shape through a guide rail. have.
  • the base panel 18 may be changed in position along the guide rail.
  • the base panel 18 is fixed to the guide rail by a fixing means such as a clamp so that the base panel 18 is positioned at an appropriate position on the upper surface of the main body 12. Can be placed.
  • a stamping mold unit 20 is provided on the base panel 18.
  • the stamping mold unit 20 includes a lower stamping mold 24 and an upper stamping mold 22.
  • the bottom surface of the lower stamping mold 24 contacts the base panel 18 and is fixed with a fastener such as a bolt. It can have a structure.
  • the lower stamping mold 24 is formed with a first stamping cutter hole 44 and a second stamping cutter hole 48 respectively penetrating from the upper surface to the lower surface at both left and right side end portions in the width direction with respect to the front surface.
  • the panel 18 is also provided with a first blanking hole and a second blanking hole penetrating from the upper surface to the lower surface at both side end portions in the width direction.
  • the first stamping cutter hole 44 and the second stamping cutter hole 48 of the lower stamping mold 24 communicate with the first blanking hole and the first blanking hole of the base panel 18, respectively, and the front hood 14 ) Is in communication with the first stamping cutter hole 44 and the first blanking hole, and the rear front hood 14 is in communication with the second stamping cutter hole 48 and the second blanking hole.
  • the upper stamping mold 22 is provided above the lower stamping mold 24 so as to be able to lift relatively.
  • the upper surface of the lower stamping mold 24 is provided with a plurality of guide bars 24a, and the upper stamping mold 22 is provided with a plurality of guide holes penetrating from the upper surface to the bottom surface, thereby guiding the upper stamping mold 22.
  • the hole is slidably coupled to the guide bar 24a of the lower stamping mold 24 such that the upper stamping mold 22 is precisely held in place without distorting the position on the lower stamping mold 24, and thus lower stamping mold. It is possible to perform the operation of descending in the upper surface direction of the 24 and rising from the upper surface of the lower stamping mold 24.
  • a stamping cutter unit 40 is formed on the surfaces of the upper stamping mold 22 and the lower stamping mold 24 facing each other to form the electrode tab 6 for the secondary battery electrode plate.
  • the stamping cutter unit 40 includes a first stamping cutter 42 provided on the bottom surface of the upper stamping mold 22 and a top stamping bottom surface of the lower stamping mold 24. It includes a first stamping cutter hole 44 through.
  • first stamping cutter 42 and the second stamping cutter 46 are illustrated, but the first stamping cutter 42 and the second stamping cutter 46 have a bottom surface of the upper stamping mold 42. It should be understood that it is mounted on the.
  • the first stamping cutter 42 is formed in a substantially straight cutter block shape extending in the longitudinal direction of the upper stamping mold 22 (ie, the direction perpendicular to the left and right width direction with respect to the front side), and thus the upper stamping mold
  • the cutter block-shaped first stamping cutter 42 extending in the front-rear direction of 22, approximately one side end portion of the rail electrode plate 4 can be stamped to form a square metal piece-shaped electrode tab 6.
  • the square tab groove tab portion 42a is provided.
  • the bottom outer periphery of the first stamping cutter 42 is provided with a sharp edge so that one side end of the rail electrode plate 4 can be easily pulled out.
  • the side end portion may be more easily blanking (pull off) while the electrode tab 6 can be easily formed.
  • the first stamping cutter hole 44 is a hole penetrating from the upper surface of the lower stamping mold 24 to the bottom surface, and is disposed on a surface facing the first stamping cutter 42.
  • One side end of the rail electrode plate 4 may be removed to form an electrode tab 6.
  • Electrode tab-shaped portions 44a are formed in the first stamping cutter hole 44, and the electrode tabs 6 are formed on the rail electrode plate 4 by the first stamping cutter 42 and the first stamping cutter hole 44. To be formed.
  • the electrode tab 6 is formed at one side end of the rail electrode plate 4. The resulting metal blanking pieces can be lowered along the front hood 14 to be collected.
  • the stamping cutter unit 40 may further include a second stamping cutter 46 and a second stamping cutter hole 48.
  • the second stamping cutter 46 is disposed on any one of the facing surfaces of the upper stamping mold 22 and the lower stamping mold 24 so as to be disposed at the other side end portion of the rail electrode plate 4.
  • the second stamping cutter 46 is disposed on the bottom of the upper stamping mold 22.
  • the second stamping cutter 46 is configured in a cutter block shape to stamp the other side end of the rail electrode plate 4. More specifically, the second stamping cutter 46 has a substantially straight cutter block shape extending in the longitudinal direction of the upper stamping mold 22 (that is, the direction orthogonal to the left and right width directions relative to the front side).
  • a sharp edge is provided at the outer periphery of the bottom of the second stamping cutter 46 so that the other side end portion of the rail electrode plate 4 can be easily removed. That is, if there is a sharp blade at the bottom of the second stamping cutter 46, the second pole stamping plate 46 of the rail pole plate 4 is pressed at the other side of the rail pole plate 4 during high-speed transfer from above. One side end portion may be more easily blanking (pull processing) while the electrode tab 6 can be easily formed.
  • the second stamping cutter 46 does not form the electrode tabs 6 on the rail electrode plate 4, but rather trims a portion of the opposite side end portion where the electrode tabs 6 of the rail electrode plate 4 are formed by a predetermined width. It can be said to be a trimming process.
  • the second stamping cutter hole 48 is a hole penetrating from the upper surface of the lower stamping mold 24 to the bottom surface and is disposed on a surface facing the second stamping cutter 46, and is formed on the bottom of the upper stamping mold 22.
  • the second stamping cutter 46 is formed of a hole having the same shape as the shape of the second stamping cutter 46 (a substantially straight hole in the front and rear direction of the lower stamping mold 24), and the second stamping cutter 24 is lowered by lowering the lower stamping mold 24. When 46 is lowered, it may enter the second stamping cutter hole 48 of the lower stamping mold 24 to perform a trimming operation to extract the other side end of the rail electrode plate 4.
  • the metal blanking piece that is generated while trimming the other side end portion of the rail electrode plate 4 is also formed. It can be collected by descending along the rear hood 16.
  • the present invention includes a feeding unit (60) for feeding the rail plate (4) in an intermittent transfer manner so that the rail plate (4) moves and stops toward the stamping mold unit (20).
  • the upper stamping mold 22 of 20 is lowered at the moment when the rail electrode plate 4 is stopped due to the intermittent feeding and stopping operation of the feeding unit 60, and then the electrode is placed on the rail electrode plate 4 by the stamping cutter unit 40. Allow the tab 6 to be stamped.
  • the lifting operation unit 30 for allowing the upper stamping mold 22 to be elevated at an upper position of the rail electrode plate 4 among the upper stamping mold 22 and the lower stamping mold 24 of the stamping mold unit 20. It is provided.
  • the lifting operation unit 30 is the upper stamping by the cam 32 is connected to the upper stamping mold 22 via the connecting unit 50, the motor shaft is coupled to the cam 32 to rotate the cam 32
  • the cam 22 may include a cam driving motor 34 to lift and lower the mold 22 based on the fixing block 38.
  • Reference numeral 36 is a frame, and the frame 36 may have a structure connected to the main body 12 through a support and a fastener not shown.
  • the frame 36 may have a substantially rectangular block shape in which the left wall portion 36a and the right wall portion 36b are coupled to the front wall portion 36c and the rear wall portion 36d, and the right wall portion 36b is provided.
  • the part is connected to the support by a fastener, etc., the support is also connected to the main body 12 by a fastener or the like so that the frame 36 may have a structure connected to the main body 12 via a support and a fastener or the like. It is.
  • Reference numeral 38 denotes a fixing block.
  • the fixing block 38 is formed in a substantially hexahedral block shape provided with a front support piece 38b and a rear support piece 38b at front and rear ends of the intermediate plate 38a.
  • the front support piece 38b and the rear support piece 38c of the fixing block 38 are slidably coupled to the frame 36 by guide rails, respectively, and the fixing block 38 is connected to the frame 36. It can be fixed in a required position by a fixture such as a clamp.
  • the front support piece 38b and the rear support piece 38c of the fixing block 38 are slidably relative to the upper end of the front wall portion 36c and the rear wall portion 36d of the frame 36 by guide rails, respectively.
  • the fixing block 38 may have a structure in which the fixing block 38 is fixed at an appropriate position of the frame 36 by a fastener such as the clamp.
  • the motor shaft of the cam drive motor 34 is embedded in the fixing block 38.
  • the cam driving motor 34 may have a structure fixed to the fixing block 38 or fixed to the frame 36 by a bracket or the like.
  • the cam 32 is coupled to the drive shaft of the cam drive motor 34 so as to be incorporated in the fixing block 38.
  • a through hole 38h communicating with the front and rear surfaces is formed in the intermediate plate 38a of the fixing block 38, and the front surface of the cam 32 axially coupled to the motor shaft of the cam drive motor 34 is the fixing block 38. It faces the through-hole 38h which communicates with the intermediate plate 38a of this. See FIG. 4.
  • the cam 32 has a disk shape, and the cam 32 of the disk shape is out of the center of the motor shaft of the cam drive motor 34. Axial to be eccentric.
  • the cam 32 is formed with an annular cam groove 32a on the front surface facing the connection unit 50 to be described later.
  • the cam groove 32a is formed in the front surface which faces the through-hole 38h in the intermediate plate 38a of the fixing block 38 among the both sides of the cam 32.
  • connection unit 50 has a lifting operation rod 52, and the tip of the lifting operation rod 52 has a cam groove (when the cam 32 is rotated by the cam drive motor 34). Since the relative slip along the 32a) can be lifted at the same time, the upper stamping mold 22 connected to the cam 32 via the connecting unit 50 can be lifted.
  • connection unit 50 is connected to the proximal end of the elevating operation rod 52 and at the same time the elevating block 54 for coupling the upper stamping mold 22 to the fixing block 38 upright elevating via the guide rail. Equipped.
  • the elevating block 54 is coupled to the elevating block 38 so as to be able to elevate relative to the fixing block 38 by guide rails, and between the guide rails of the elevating block 54.
  • the proximal end of the elevating actuating rod 52 is fixed to the rear surface of the elevating actuating rod 52, and the distal end of the elevating actuating rod 52 is coupled to the cam groove 32a formed on the front surface of the cam 32 so as to be relatively slippery.
  • the elevating operation rod 52 passes through the through hole 38h formed in the intermediate plate 38a of the fixing block 38 from the elevating block 54, and the cam groove 32a in front of the cam 32.
  • the tip end of the elevating operation rod 52 as the cam 32 is rotated relative to the cam groove 32a of the cam 32 while being rotated relative to the cam 32 by the rotation operation of the cam 32.
  • the lifting and lowering operation can be performed in the through area of the intermediate plate of 38).
  • the connecting unit 50 includes a lift operation rod 52 coupled to a cam groove 32a of a cam 32 axially coupled to a motor shaft of a cam drive motor 34, and a proximal end of the lift operation rod 52. Is coupled to the rear surface of the elevating block 54 which is relatively liftable to the fixing block 38 by the guide rail, and is coupled to the bottom surface of the elevating block 54 and simultaneously to the upper surface of the upper stamping mold 22. It may include an adapter 56.
  • the cam 32 is eccentrically coupled to the motor shaft.
  • the lifting operation rod 52 moves to the cam groove 32a. Relative slip along the and at the same time the elevating in the vertical direction by the action of the cam 32, the upper stamping mold 22 connected to the elevating block 54 and the adapter 56 via the elevating operation rod 52 is elevated As the first stamping cutter 42 and the second stamping cutter 46 of the bottom of the upper stamping mold 22 are lifted, the electrode tab 6 may be formed on the rail electrode plate 4.
  • the motor shaft of the cam drive motor 34 performs an intermittent rotation operation that rotates and stops about three times per second, the upper stamping mold 22 and the first stamping cutter 42 mounted thereon are formed.
  • the second stamping cutter 46 may also perform an intermittent lifting operation of elevating about three times per second.
  • the ultra-high lifting operation of the first stamping cutter 42 and the second stamping cutter 46 may be performed.
  • the electrode tab 6 can be formed at an extremely high speed on one side end portion of the rail electrode plate 4 to be conveyed at a high speed.
  • the feeding unit 60 performs the intermittent feeding and stopping operation, and the cam drive motor 34 and the upper stamping mold 22 are intermittently rotating and lifting so as to be synchronized with the operation of the feeding unit 60.
  • the electrode tab 6 is intermittently formed in the rail electrode plate 4.
  • the feeding unit 60 includes a pair of upper rollers 62 and a lower roller 64 which are disposed on the transfer line of the rail pole plate 4 so as to face the top and bottom positions of the rail pole plate 4. do.
  • the feeding unit 60 includes a roller bracket coupled to a feeder body, which is not shown, and the roller bracket includes an upper roller support 72 and a lower roller support 74.
  • the upper roller support portion 72 is disposed at both positions of the horizontal roller bracket piece 72a disposed in the horizontal direction at the upper position of the rail pole plate 4, and the rail pole plate between the horizontal roller bracket piece 72a.
  • the lower roller support part 74 includes a cylinder bracket piece 74a connected to the left and right side roller bracket pieces 72b of the upper roller support part 72, and a cylinder rod of the cylinder 76 mounted to the cylinder bracket piece 74a.
  • An arm 74b having one end connected to the 76a and being operated to be elevated, coupled to the arm 74b, and coupled to the cylinder bracket piece 74a via a guide rail to be elevated relative to the lower roller 64 Includes a lower roller bracket piece 74c rotatably mounted by a separate bracket or the like.
  • At least one of the upper roller 62 and the lower roller 64 of the feeding unit 60 is connected to the motor shaft 68a of the motor 68 through the power transmission means 66 to allow the rail pole plate 4 to be rotated. It is a driving roller that repeats the operation to be intermittently transferred to the stamping mold unit 20 and stopped.
  • the lower roller 64 is connected to the cylinder rod 76a of the cylinder 76 mounted on the lower roller support 74 so that the relative lifting is performed at the position facing the upper roller 62 according to the operation of the cylinder 76. As the lower roller 64 is lifted relative to the upper roller 62, the friction force at the time of conveyance of the rail electrode plate 4 fed between the upper roller 62 and the lower roller 64 and fed is adjusted accordingly. It is also convenient when the upper roller 62 and the lower roller 64 are mounted via the rail electrode plate 4.
  • the upper roller 62 since the upper roller 62 is operatively connected to the motor shaft 68a of the motor 68, the upper roller 62 becomes a driving roller that applies power to feed the rail electrode plate 4. .
  • the upper roller 62 is rotatably mounted on the vertical roller bracket piece 72c of the upper roller support portion 72 via a connecting means such as another bracket.
  • the vertical roller bracket piece 72c of the upper roller support part 72 is mounted with a motor 68 via fixing means such as a connecting bracket, and the motor shaft 68a of the motor 68 is an upper roller support part.
  • the upper roller 62 attached to the vertical roller bracket piece 72c of 72 is connected to the drive roller pulley 66a, the driven pulley 66b, and the belt 66c so that power transmission is possible.
  • the motor shaft 68a of the motor 68 rotates intermittently three times in one second and stops intermittently, so that the upper roller 62 also rotates three times in one second. Since the intermittent rotation is stopped, the rail electrode plate 4 interposed between the upper roller 62 and the lower roller 64 is also intermittently performing a feeding operation of feeding and stopping three times per second.
  • the motor shaft of the cam drive motor 34 also rotates and stops three times in one second, and the elevating operation rod 52 also moves up and down three times in one second, thereby forming the upper stamping mold 22 and the first mounted thereon.
  • the first stamping cutter 42 and the second stamping cutter 46 also intermittently perform the operation of descending and raising three times per second.
  • the upper pole plate 4 is intermittently supplied and stopped by the feeding unit 60, and the upper stamping mold 22 and the first stamping cutter 42 mounted thereto are mounted at the moment when the rail pole plate 4 stops.
  • the second stamping cutter 46 is lowered to form the electrode tab 6 at the required position of the rail electrode plate 4.
  • the feeding unit 60 having the upper roller 62 and the lower roller 64 may be installed at the next stage of the upper stamping mold 22 and the lower stamping mold 24. It is of course also possible to install 60 at both the previous and next stages of the upper stamping mold 22 and the lower stamping mold 24.
  • the upper stamping mold 22, the first stamping cutter 42, and the second at the moment when the real pole plate 4 is transported and stopped by the feeding unit 60.
  • the stamping cutter 46 is lowered to form the electrode tabs 6 on the rail electrode plate 4, and the stop after transfer of the rail electrode plate 4, the upper stamping mold 22, the first stamping cutter 42, and the like.
  • the stamping process by the lowering operation of the second stamping cutter 46 is able to perform an ultra-fast stamping operation is performed about three times per second.
  • the rail electrode plate 4 is transported for a third of a second to stop immediately, and the upper stamping mold 22, the first stamping cutter 42, and the second stamping cutter 46 are also approximately
  • the electrode tab 6 can be formed on the secondary battery pole plate by rapidly descending for a third of a second and by stamping the instantaneous stop electrode plate 4 at a high speed.
  • the present invention transfers the real pole plate 4 at a very high speed, and quickly the upper stamping mold 22, the first stamping cutter 42, and the second stamping cutter 46 at the moment when the real pole plate 4 stops.
  • the intermittent transfer and stamping process is performed to lower and lower the side parts of the rail electrode plate 4 to form and trim the electrode tabs 6, the super high speed without failing to overcome the excessive inertia force of the moving part for stamping is performed. Stamping work can be performed smoothly.
  • the electrode tab 6 is stamped on the rail electrode plate 4 while the stamping die portion (ie, the moving part portion) is moved together with the rail electrode plate 4, and then stamped again.
  • the process of returning the mold to its original position, that is, repeating the forward and backward of the stamping mold to form the electrode tab 6 by stamping on the rail electrode plate 4, the moving for stamping the electrode tab 6 Since the weight of the stamping mold part, which is a part, is approximately 70 kg or more, the high-speed reciprocating motion of the stamping mold along the rail electrode plate 4 within about 0.3 seconds to 0.4 seconds (that is, the forward motion in the conveying direction of the rail electrode plate 4 and In the case of the return movement in the direction opposite to the conveying direction of the rail pole plate 4), it is difficult to overcome the inertia force for the reciprocating motion.
  • the stamping mold unit 20 is not disposed along the rail pole plate 4 in the original position And the rail plate 4 is lifted at an extremely high speed in the stamping mold unit 20 and the stamping cutter unit mounted thereon by repeatedly transferring and stopping intermittently in accordance with the lifting operation of the upper stamping mold 22 of the stamping mold unit 20. Since 40 can perform the processing of the electrode tab 6 on the rail electrode plate 4 at a very high speed, the difficulty of overcoming the inertia force due to the forward and backward reciprocating motion of the stamping mold unit 20 can be eliminated.
  • the rail electrode plate 4 having the electrode tabs 6 formed thereon is transferred to the pole plate cutting unit 80, and cut by the pole plate cutting unit 80 into individual pole plates 5 for secondary electrodes having a substantially rectangular plate shape.
  • the present invention is a separate pole plate having a constant area in the form of a rectangular plate of the real pole plate (4) having electrode tabs 6 formed at regular intervals on one side past the upper stamping mold 22 and the lower stamping mold 24. It further comprises a pole plate cutting unit 80 formed by 5).
  • the pole plate cutting unit 80 includes an upper cutter 82 and a lower cutter 84 that are relatively elevated in the upper and lower positions of the rail pole plate 4, and among the upper cutter 82 and the lower cutter 82. At least the upper cutter 82 is lowered in the direction of the lower cutter 84 while the rail plate 4 is transported by the feeding unit, and at the moment when the rail plate 4 is stopped, the proper position is cut from the rail plate 4 to separate the plate plates 5. It can be configured to form. That is, when the pole plate is intermittently transported by the feeding unit, the upper cutter 82 descends and cuts the rail electrode plate 4 intermittently at the moment when the pole plate is intermittently stopped, thereby bringing the rail electrode plate 4 to the individual pole plates 5 having a predetermined square area. You can cut one by one.
  • At least the upper cutter 82 can be elevated in the lower cutter 84 direction by the cutter lift operation device.
  • a cutter bracket 86 is disposed on the conveying line of the rail pole plate 4, and the cutter bracket 86 has a block-shaped upper cutter lifting support 88 and a lower cutter lifting support ( 89 is coupled to the relative lifting, the upper cutter 82 and the lower cutter 84 mounted on the upper cutter lifting support 88 and the lower cutter lifting support 89, respectively, and the conveying direction of the rail electrode plate 4; Orthogonal and arranged in the vertical position facing each other.
  • the upper cutter 82 is arrange
  • the lower cutter 84 is arrange
  • the cutter lift operation device is axially coupled to the motor 92 mounted on the cutter bracket 86 and the motor shaft of the motor 92, and at the same time as the ball screw nut on the proximal end of the upper cutter lift support 88. It may include a ball screw coupled through the media.
  • the motor 92 is composed of an upper motor 92A and a lower motor 92B mounted on the cutter bracket 86, and the upper motor 92A and the lower motor 92B are arranged in a line up and down. Is placed.
  • an upper ball screw is axially coupled to the motor shaft of the upper motor 92A, and the upper ball screw is coupled to the upper cutter elevating support body 88 via a ball screw nut, and the motor shaft of the lower motor 92B.
  • the lower ball screw is also axially coupled to the lower ball screw, and the lower ball screw is also coupled to the lower cutter elevating supporter 89 via a ball screw nut.
  • the upper motor 92A and the lower motor 92B are synchronized with each other when the rail electrode plate 4 is inserted between the upper cutter 82 and the lower cutter 84 so that the upper cutter 82 and the lower cutter 84 are operated. Since the relative approach in the direction facing each other at the same time, by the two upper cutter 82 and the lower cutter 84 can be configured such that the rail plate 4 is cut into individual plate plates of the rectangular plate shape.
  • the lower cutter 84 is fixed to the cutter bracket 86 without the lower motor 82B and the lower ball screw, and only the upper cutter 82 is driven by the upper motor 92A as described above.
  • the rail pole plate 4 may be configured to be cut into individual pole plates while being lifted relative to the cutter 84.
  • the apparatus for causing the upper cutter 82 and the lower cutter 84 to operate relative forward and backward may be composed of an upper cylinder and a lower cylinder in addition to the upper motor 92A and the lower motor 92B. That is, the cylinder rod of the upper cylinder is connected to the upper cutter lifting support 88, and the cylinder rod of the lower cylinder is configured to be connected to the lower cutter lifting support 89, so that the upper cutter ( 82 and the lower cutter 84 may be moved back and forth so that the rail electrode plate 4 is cut into the individual electrode plates 5.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Battery Electrode And Active Subsutance (AREA)
  • Press Drives And Press Lines (AREA)

Abstract

La présente invention concerne un dispositif d'estampage de plaque d'électrode pour une batterie secondaire. Le dispositif d'estampage de la présente invention servant à former une patte électrode (6) sur une plaque d'électrode (4) de bobine par transfert de la plaque d'électrode (4) de bobine pour former une plaque d'électrode pour une batterie secondaire comprend : une unité de moule d'estampage (20) qui est placée dans un sens de transfert de la plaque d'électrode (4) de bobine de à pénétrer dans la plaque d'électrode (4) de bobine et à la traverser, et qui comporte un moule d'estampage supérieur (22) et un moule d'estampage inférieur (24) se faisant face du côté supérieur et du côté inférieur de la plaque d'électrode (4) de bobine; une unité d'élévation (30) permettant de surélever au moins le moule d'estampage supérieur (22) à partir de la position supérieure de la plaque d'électrode (4) de bobine, entre le moule d'estampage supérieur (22) et le moule d'estampage inférieur (24) de l'unité de moule d'estampage (20) qui sont disposés de façon à se faire face du côté supérieur et du côté inférieur de la plaque d'électrode (4) de bobine; et une unité de coupe d'estampage (40) permettant de découper la plaque d'électrode (4) de bobine de façon à former sur celle-ci la patte (6) électrode lorsque le moule d'estampage supérieur (22) descend jusqu'à la plaque d'électrode (4) de bobine au moyen de l'unité d'élévation (30).
PCT/KR2013/000304 2012-01-30 2013-01-15 Dispositif d'estampage de plaque d'électrode pour batterie secondaire WO2013115506A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201380007239.5A CN104094446B (zh) 2012-01-30 2013-01-15 二次电池用极板冲压装置

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020120008786A KR101307875B1 (ko) 2012-01-30 2012-01-30 이차 전지용 극판 스탬핑 장치
KR10-2012-0008786 2012-01-30

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WO2013115506A1 true WO2013115506A1 (fr) 2013-08-08

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KR (1) KR101307875B1 (fr)
CN (1) CN104094446B (fr)
WO (1) WO2013115506A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104716379A (zh) * 2015-02-13 2015-06-17 长兴精盛液压机械有限公司 一种推包立放包片机

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101484455B1 (ko) * 2013-11-06 2015-01-19 주식회사 엠플러스 이차 전지용 극판 스탬핑 방법 및 이에 의한 이차 전지용 극판
KR102295608B1 (ko) * 2018-12-10 2021-08-31 주식회사 엠플러스 극판 사행 교정 효율을 향상시킨 노칭 복합장비
CN109822669A (zh) * 2019-04-08 2019-05-31 广州市通上德智能装备有限公司 一种用于电池极板网冲压模具中的冲孔器
US20230257227A1 (en) * 2020-06-25 2023-08-17 Jabil Inc. Apparatus, system and method for cutting and delivering stamped contacts

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20010008486A (ko) * 1999-07-01 2001-02-05 정몽규 Ｎｉ-ＭＨ 전지의 음극판 조립장치 및 그 공정
KR20030086070A (ko) * 2002-05-03 2003-11-07 주식회사 에스에프에이 폴리머 ２차 전지의 전극판 적층 및, 조립 시스템
JP2007128841A (ja) * 2005-04-12 2007-05-24 Matsushita Electric Ind Co Ltd 電池用電極板の製造方法
KR20110122861A (ko) * 2010-03-26 2011-11-11 미츠비시 쥬고교 가부시키가이샤 전극판 제조 장치

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100517811C (zh) * 2005-04-12 2009-07-22 松下电器产业株式会社 电池用电极板的制造方法
CN101774041B (zh) * 2010-02-08 2012-02-22 深圳市赢合科技股份有限公司 极耳裁切装置
CN101847713B (zh) * 2010-03-23 2012-07-18 东莞市鸿宝锂电科技有限公司 连续冲切制片机

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20010008486A (ko) * 1999-07-01 2001-02-05 정몽규 Ｎｉ-ＭＨ 전지의 음극판 조립장치 및 그 공정
KR20030086070A (ko) * 2002-05-03 2003-11-07 주식회사 에스에프에이 폴리머 ２차 전지의 전극판 적층 및, 조립 시스템
JP2007128841A (ja) * 2005-04-12 2007-05-24 Matsushita Electric Ind Co Ltd 電池用電極板の製造方法
KR20110122861A (ko) * 2010-03-26 2011-11-11 미츠비시 쥬고교 가부시키가이샤 전극판 제조 장치

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104716379A (zh) * 2015-02-13 2015-06-17 长兴精盛液压机械有限公司 一种推包立放包片机

Also Published As

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KR20130087717A (ko) 2013-08-07
CN104094446B (zh) 2016-07-06
KR101307875B1 (ko) 2013-09-13
CN104094446A (zh) 2014-10-08

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