A method for manufacturing an electrode assembly includes a first combination step of combining a first electrode with an upper portion of a first separator to form a first combination, and a second combination step of combining the first combination so that a second electrode faces the first electrode with the first separator therebetween after the second electrode is stacked on a second separator, wherein the first combination step comprises a first electrode cutting process of moving the first electrode in an X-axis direction that is a progress direction to cut the first electrode to a predetermined size, a first electrode transfer process of transferring the cut first electrode, a first first-electrode position detection process of measuring a Y-axis position of the first electrode, a first separator meandering correction process of moving the first separator, a first stacking process of stacking the first electrode on the first separator.

A tape attachment apparatus includes a tape supply unit configured to provide a tape to be attached to a tip of an electrode roll, a tape attachment unit configured to attach the tape provided by the tape supply unit to the electrode roll, and a frame configured to allow the tape attachment unit to be mounted to the frame. A tape attachment process to prevent unwinding of the electrode roll is automatically performed.

An embodiment of the present disclosure provides a non-stop constant-speed efficient winding machine for separator, and relates to the technical field of lithium ion cell manufacturing. The non-stop constant-speed efficient winding machine for separator includes a base plate, an electrode feeding mechanism, a winding mechanism, a separator cutting mechanism, and a separator compounding mechanism. The winding mechanism includes a winding head and three winding needles rotatably provided on the winding head. By additionally providing the separator compounding mechanism between the electrode feeding mechanism and the winding mechanism, thermal compounding of the separator is realized, and through rolling separator cutting of the separator cutting mechanism, the separator cutting is realized. The winding needle located at the winding position can adsorb a separator end after the cutting, and wind the separator end on an outer circumferential surface of the corresponding winding needle.

An electrode stacking apparatus provided with a planar motor device (B) comprised of a flat plate-shaped stator (50) and a plurality of movers (40) able to move on a flat surface (51) of the stator in any direction along the flat surface (51) and able to rotate about a perpendicular axis of the flat surface (51) in a state magnetically floating from the flat surface (51). When stacking a new sheet-shaped electrode (1) held by an electrode conveyor device (A) arranged above the planar motor device (B) on a stacked electrode holder (60) of a mover (40), the mover (40) is made to move in synchronization with movement of the new sheet-shaped electrode (1) so that the new sheet-shaped electrode (1) continues to face the sheet-shaped electrode stacking position on the stacked electrode holder (60).

Disclosed in the present application are an automatic roll replacing device, and winding equipment. The automatic roll replacing device comprises: a mounting frame; an unwinding mechanism, comprising an unwinding shaft connected to the mounting frame in such a manner that the unwinding shaft can rotate around its own axis; a spare material mechanism, comprising a spare material shaft having a contact end and a material pushing member providing an axial pushing force for a spare material roll on the spare material shaft, the spare material shaft being connected to the mounting frame in such a manner that the spare material shaft can rotate around the rotation axis, when the spare material shaft is located at a material pushing position, the contact end contacting the unwinding shaft, and the material pushing member being controlled to push the spare material roll on the spare material shaft to transfer to the unwinding shaft; and a strip connection mechanism, provided on the mounting frame, and used for cutting off a work material strip unwound from the unwinding shaft and connecting the cutoff work material strip to the spare material roll. According to the automatic roll replacing device provided by the present application, the use of the spare material shaft and the material pushing member implements pushing of a spare material roll on the spare material shaft to the unwinding shaft, and there is no need to provide two unwinding mechanisms, thereby greatly simplifying the structure of the automatic roll replacing device, and reducing the occupied space.

The present invention has as its object the provision of a battery material stacking system able to stack sheet-shaped workpieces relating to battery materials continuously at a high speed. The system is comprised of a conveyance mechanism 1 conveying sheet-shaped workpieces W relating to battery materials in a predetermined direction, a placement mechanism 2 placing workpieces W, and a stacking mechanism 3 stacking workpieces W. The placement mechanism 2 comprises a stator 21 of a linear motor having a predetermined running rail, a plurality of movers 22 of a linear motor provided at the stator 21, pickup members 23 provided at the movers 22 and picking up the workpieces W, and a control part 100 controlling running of the movers 22 at the stator 21. The pickup members 23 pick up the workpieces W conveyed from the conveyance mechanism 1 and rotationally convey the workpieces W along with the movers 22 running along the running rail of the stator 21, then stacking the workpieces W on the stacking mechanism 3.

An apparatus for loading and unloading a roll includes a roll support portion disposed adjacent to a roll unwinder; a first traveling rail disposed on one side of the roll unwinder; a moving frame movably installed on the first traveling rail; and a roll attaching and detaching unit movably installed on the moving frame, wherein the roll support portion includes a lifting unit configured to move up and down a disposed roll, and wherein the roll attaching and detaching unit includes a moving plate moving on the moving frame, and a main body portion rotatably installed on the moving plate.

A system and method for transferring an electrode substrate, including a process of pressing an electrode substrate, supplied from a winding roll, in a direction opposite to a winding direction, by using a bending mitigation roller. According to the present system and method, it is possible to resolve a bending phenomenon of an electrode substrate supplied from a winding roll and significantly reduce product defects while not lowering the process efficiency.

A lamination device that laminates a plurality of types of workpieces includes supply mechanisms that supply the workpiece to each of supply positions, a movement mechanism including a stator of a linear motor having a predetermined traveling track and a mover of a linear motor that is movable between a plurality of the supply positions along a traveling track, and a controller that controls at least the mover. The mover includes a holding unit that holds the workpiece supplied to the supply positions, and a lamination stage for lamination the workpiece. The controller corrects a relative position of the workpiece with respect to the lamination stage and controls the mover to laminate the workpiece whose relative position is corrected on the lamination stage while the holding unit holds the workpiece supplied to the supply positions and moves to and stops at a next one of the supply positions.

A lamination device that laminates a plurality of types of workpieces includes a plurality of supply mechanisms that supply a workpiece to each of a plurality of supply positions, a movement mechanism including a stator of a linear motor having a predetermined traveling track and a mover of a linear motor that is movable between a plurality of the supply positions along a traveling track, and a control unit that controls at least the mover. The mover includes a lamination stage for laminating the workpiece. The control unit corrects a relative position of the workpiece supplied to the supply positions with respect to the lamination stage, laminates the workpiece whose relative position is corrected on the lamination stage, and controls the mover so as to move to a next one of the supply positions after lamination of the workpiece.