Abstract: The objective of the present invention is to provide a laser welding apparatus for square-shaped terminals, and the configuration of the present invention includes a rotation support frame 110, a laser head unit 120 rotatably supported on the rotation support frame 110, and a rotation drive unit 130 supported on the rotation support frame 110 and rotating the laser head unit 120. The present invention adopts a laser head (LASER HEAD) rotation method, which is a major component, to weld the round portion of the can and cap, and the laser head rotation method has the great advantage of being able to continuously weld the circumference of the can and cap at once, saving time and enhancing production speed.

Abstract: An object of the present disclosure is to provide a system for cutting an electrode 10 (negative/positive) delivered in reel form at a constant pitch during a notching process of a secondary battery manufacturing process, and a configuration of the present disclosure includes an electrode supply unit 120 that supplies an electrode 10 of a secondary battery, an electrode feeder 130 that feeds the electrode 10 supplied from the electrode supply unit 120 for cutting, a primary cutting unit 140 that primarily cuts the electrode 10 supplied by the electrode feeder 130, and a secondary cutting unit 150 that secondarily cuts the electrode 10 supplied from the primary cutting unit 140.

Abstract: An automatic supply apparatus of secondary battery electrodes, which includes an electrode supply hoist 120; a supply shuttle 130 receiving electrodes in the form of reels from the electrode supply hoist 120; a first unwinder 140 and a second unwinder 150 disposed at a position the supply shuttle 130 comes forward. A notching facility 110 is disposed at a position where the supply shuttle 130 comes forward, and the first unwinder 140 is disposed in the notching facility 110, the second unwinder 150 is mounted on the notching facility 110 and disposed at a downward position of the first unwinder 140, and a tape supply device 160 is provided at a front position of the notching facility 110 so as to be disposed above the first unwinder 140.

Abstract: An automatic supply apparatus of secondary battery electrodes, which includes an electrode supply hoist 120; a supply shuttle 130 receiving electrodes in the form of reels from the electrode supply hoist 120; a first unwinder 140 and a second unwinder 150 disposed at a position the supply shuttle 130 comes forward. A notching facility 110 is disposed at a position where the supply shuttle 130 comes forward, and the first unwinder 140 is disposed in the notching facility 110, the second unwinder 150 is mounted on the notching facility 110 and disposed at a downward position of the first unwinder 140, and a tape supply device 160 is provided at a front position of the notching facility 110 so as to be disposed above the first unwinder 140.

Abstract: Provided is a horn fixing device of an ultrasonic welding device for a secondary battery tab, the horn fixing device including an amplifier for ultrasonic welding of the secondary battery tab, a fixing block member having an amplifier through hole formed therein and configured to allow the amplifier to be installed therethrough, the fixing block member having a pad insertion space part formed at an upper portion of the amplifier through hole, wherein the pas insertion space allows an amplifier compression member to be installed therein, and the amplifier compression member installed in the pad insertion space part so as to compress the amplifier placed in the amplifier through hole, and a setting block member installed on one surface of the fixing block member to adjust an angle of the amplifier. The horn fixing device has an effect of uniformly pressing the amplifier by a press pad unit.

Abstract: The present disclosure is intended to provide a carrier moving lift locking structure, and the carrier moving lift locking structure includes a locking operation device provided at one lift rail (112) among two lift rails (112) that are adjacent to each other in a carrier moving lift (110) consisting of a plurality of lift rails (112); a lock shaft (130) coupled to the locking operation device; and a lock support block (140) provided at another lift rails (112) among the two lift rails (112) and into which the lock shaft (130) is inserted and coupled.

Abstract: Proposed is a separator tension control device for stacking a separator of a secondary battery, the device including a separator stacking member (110) having a separator stacking unit (112) installed on an upper surface of a table (111) such that negative and positive plates of a secondary battery are alternately stacked by a separator (132), and a fixing plate (114) which allows a separator supply member (130) and a separator dancer member (150) to be installed thereon, the separator supply member (130) installed on one side of the separator stacking unit (112) so as to supply the separator (132) to the separator stacking unit (112), and the separator dancer member (150) installed on an upper side of the separator stacking member (110) such that the separator (132) supplied from the separator supply member (130) is supplied with constant tension.

Abstract: Proposed are a separator tension controlling apparatus and method for stacking an electrode plate of a secondary battery. The apparatus includes a separator loading member on which a fixing plate is mounted such that a separator loading unit, a separator supplying member, and a separator moving member which are mounted on an upper surface of a table are capable of being mounted so that a negative electrode and a positive electrode of the secondary battery are capable of being stacked to cross each other by a separator, the separator supplying member mounted on a first side of the separator loading unit such that the separator is capable of being supplied to the separator loading unit, and the separator moving member mounted on an upper side of the separator loading member such that the separator supplied from the separator supplying member is capable of being supplied with uniform tension.

Abstract: The objective of the present invention is to provide a conveyor for discharging scraps of a laser notching machine. The present invention comprises: a conveyor (20); a suction duct (52) which is connected to the conveyor (20) so as to suck, from the conveyor, scraps (2S) generated when a tab (2C) is formed on a pole plate (2) passing through the conveyor (20); and a scrap discharge hole (34) for sucking and discharging the scraps (2S) from the conveyor (20), wherein the conveyor (20) includes: a conveyor body (22); and a conveyor belt (24) for performing a continuous track motion so as to pass the upper and lower surfaces of the conveyor body (22), wherein the conveyor body (22) has a vacuum sector (22VS) and a vacuum release sector (22RS), the vacuum sector (22VS) is configured to have a vacuum suction hole communicating from the inner space portion of the conveyor body (22) to the bottom surface of the conveyor body (22), and the scrap discharge hole (34) is disposed under the vacuum release sector (22RS).

Abstract: The present invention provides a method for manufacturing a secondary cell, comprising the steps of: disposing two sheets of separators (10) above and below a negative electrode plate (30), disposing a positive electrode plate (40) above the upper separator (10) or below the lower separator (10), and supplying elongated each one end of the separators (10), the negative electrode plate (30), and the positive electrode plate (40) to a mandrel (20) along the same transfer line; punching each vertical one end and/or the other end of the negative electrode plate (30) and the positive electrode plate (40), which intersects the transfer direction of the negative electrode plate (30) and the positive electrode plate (40) continuously supplied, to form a plurality of negative electrode tabs (32) on the negative electrode plate (30) by a predetermined gap (g) and form a plurality of positive electrode tabs (42) on the positive electrode plate (40) by a predetermined gap (g); winding the stacked body (S) of the separato

Abstract: The present invention provides a method for manufacturing a secondary cell, comprising the steps of: disposing two sheets of separators (10) above and below a negative electrode plate (30), disposing a positive electrode plate (40) above the upper separator (10) or below the lower separator (10), and supplying elongated each one end of the separators (10), the negative electrode plate (30), and the positive electrode plate (40) to a mandrel (20) along the same transfer line; punching each vertical one end and/or the other end of the negative electrode plate (30) and the positive electrode plate (40), which intersects the transfer direction of the negative electrode plate (30) and the positive electrode plate (40) continuously supplied, to form a plurality of negative electrode tabs (32) on the negative electrode plate (30) by a predetermined gap (g) and form a plurality of positive electrode tabs (42) on the positive electrode plate (40) by a predetermined gap (g); winding the stacked body (S) of the separato

Abstract: The present invention provides a method for manufacturing a secondary cell, comprising the steps of: disposing two sheets of separators (10) above and below a negative electrode plate (30), disposing a positive electrode plate (40) above the upper separator (10) or below the lower separator (10), and supplying elongated each one end of the separators (10), the negative electrode plate (30), and the positive electrode plate (40) to a mandrel (20) along the same transfer line; punching each vertical one end and/or the other end of the negative electrode plate (30) and the positive electrode plate (40), which intersects the transfer direction of the negative electrode plate (30) and the positive electrode plate (40) continuously supplied, to form a plurality of negative electrode tabs (32) on the negative electrode plate (30) by a predetermined gap (g) and form a plurality of positive electrode tabs (42) on the positive electrode plate (40) by a predetermined gap (g); winding the stacked body (S) of the separato