Abstract: An apparatus (100) for making a coil (B) comprises a feed unit (2) configured to feed at least one strip-shaped article (N) and a winding unit (1). The winding unit includes at least a first winding head (10A) and a second winding head (10B) and a movement device (3) of said winding heads configured to displace said winding heads (10) along a working path (P). The distance between the first winding head (10A) and the second winding head (10B) along said working path (P) may be varied.

Abstract: An apparatus (100) for making a coil (B) comprises a feed unit (2) configured to feed at least one strip-shaped article (N) formed by a plurality of strips and a winding unit (1) that includes at least one winding head (10) configured to wind said strip-shaped article (N) to make said coil (B). The feed unit (2) comprises a movable portion (20), wherein respective feed paths (8) comprising a respective storage segment (81) are defined for each of the strips and is configured so as to vary, by moving said movable portion (20), the length of the storage segments (81), keeping said storage segments (81) substantially parallel to each other.

Abstract: An apparatus (100) for making a coil (B) comprises a feed unit (2) configured to feed at least one strip-shaped article (N) and a winding unit (1). The winding unit includes a plurality of winding heads (10) and a movement device (3) of said winding heads (10) configured to displace said winding heads (10) according to a trajectory that includes at least one rotation around a rotation axis (C) of said movement device (3), said rotation axis (C) being different from said winding axis (X) and a translation and/or a rotation about a further axis, different from said rotation axis (C) and from said winding axis (X).

Abstract: An apparatus (100) for making a coil (B) comprises a feed unit (2) configured to feed at least one strip-shaped article (N) and a winding unit (1). The feed unit (2) comprises a movable portion (20) that includes an outlet section (22) through which said strip-shaped article (N) passes through. The winding unit includes a plurality of winding heads (10) and a movement device for moving (3) said winding heads (10) configured to displace said winding heads (10) along a working path (P). The winding heads (10) and said movable portion (20) are both movable.

Abstract: Manufacturing machine (9) and method for manufacturing a cylindrical electrochemical cell (2) consisting of a spiral winding of a composite material (8) comprising at least two conductor bands (4, 6) and at least two separator bands (5, 7) overlapping one another. They are provided: a plurality of winding heads (13), each of which supports a holding device (14) which is configured to grab an end of the composite material (8) and to rotate on itself around a first rotation axis (15) so as to obtain a spiral winding of the composite material (8); a drum (11) which supports the winding heads (13) and which is mounted in a rotary manner so as to rotate with a continuous law of motion around a second rotation axis (12) in order to move the winding heads (13) along a processing path (P2); and a feeding unit (10) configured to feed the composite material (8) to the winding heads (13).

Abstract: An apparatus (100) for making a coil (B) comprises a feed unit (2) configured to feed at least one strip-shaped article (N) formed by a plurality of strips (N1, N2, N3, N4) and a winding unit (1). The winding unit includes a plurality of winding heads (10) and a movement device (3) of said winding heads (10) configured to displace said winding heads (10) along a working path (P). The apparatus further comprises a storage device (4) configured so as to store a variable amount of said at least one of said strips (N1, N2, N3, N4) and an actuating device of the storage device (4) which displaces said storage device (4) to vary the stored amount of strip.

Abstract: An apparatus (100) for making a coil (B) comprises a feed unit (2) configured to feed at least one strip-shaped article (N) and a winding unit (1). The winding unit includes a plurality of winding heads (10) and a movement device for moving (3) said winding heads (10) configured to displace said winding heads (10) along a working path (P). Each winding head (10) is configured to wind said strip-shaped article (N) so as to make said coil (B) during a displacement, carried out by said movement device (3), of the winding head (10) along an operative segment (P1) of the working path (P).

Abstract: Manufacturing machine (9) and method for manufacturing a cylindrical electrochemical cell (2) consisting of a spiral winding of a composite material (8) comprising at least two conductor bands (4, 6) and at least two separator bands (5, 7) overlapping one another.

Abstract: Manufacturing machine (9) and method for manufacturing a cylindrical electrochemical cell (2) consisting of a spiral winding of a composite material (8) comprising at least two conductor bands (4, 6) and at least two separator bands (5, 7) overlapping one another. They are provided: a plurality of winding heads (13), each of which supports a holding device (14) which is configured to grab an end of the composite material (8) and to rotate on itself around a first rotation axis (15) so as to obtain a spiral winding of the composite material (8); a drum (11) which supports the winding heads (13) and is rotatably mounted to rotate with a continuous law of motion around a second rotation axis (12) so as to move the winding heads (13) along a processing path (P2); and a feeding unit (10) configured to feed the composite material (8) to the winding heads (13).

Abstract: An apparatus (100) for making a coil (B) comprises a feed unit (2) configured to feed at least one strip-shaped article (N) and a winding unit (1). The winding unit includes a plurality of winding heads (10) and a movement device for moving (3) said winding heads (10) configured to displace said winding heads (10) along a working path (P). Each winding head (10) supports a gripping device (11) which is configured to grasp a portion of said strip-shaped article (N) and is configured to wind said strip-shaped article (N) so as to make said coil (B). The movement device (3) is further configured so as to displace a respective winding head (10), when it is grasping said portion of said strip-shaped article (N), along an operative segment (P1) of said working path (P) in a direction discordant to a feed direction (f) of the strip-shaped article.

Abstract: An apparatus (100) for making a coil (B) comprises a feed unit (2) configured to feed at least one strip-shaped article (N) and a winding unit (1). The winding unit includes a plurality of winding heads (10) each of which supports a gripping device (11) of a portion of said strip-shaped article (N), and a movement device (3) of said winding heads (10) configured to move said winding heads (10) along a working path (P). Each winding head (10) is configured to wind said strip-shaped article (N) so as to make said coil (B), wherein each gripping device (11) comprises a pair of pins (12, 13) configured to hold said strip-shaped article (N) between them, at least one of said pins (12, 13) being movable so as to join the other pin holding said strip-shaped article (N) between them.

Abstract: A method for forming electrodes assemblies, used for producing secondary lithium batteries, comprises the steps of feeding two separator strips with continuous feed motions, inserting between the two strips a succession of anodes at reciprocal distances that progressively increase, arranging a succession of cathodes, either all on an outer side of a strip, or alternating a cathode on an outer side of a strip and a cathode on an outer side of the other strip, such that on each single anode a single cathode is superimposed with the interposition of one of the two strips; strips, cathodes and anodes are then laminated together, the laminated product is wound in a single winding direction and the wound product is separated from the rest of the laminated product to enable a subsequent electrodes assembly to be formed.

Abstract: A support apparatus for the production of electric energy storage devices comprising a support element, which is linearly movable along a feeding plane, an actuator system, which is configured to drive the support element in an intermittent manner, a first roller, which is configured to be caused to rotate at a variable speed, and a second roller, which is opposite the first roller. A further actuator system is configured to control the speed of the first roller compensating for the intermittent movement of the support element.

Abstract: A winding apparatus for the production of power storage devices comprising: a frame, a first actuator device supported by the frame and comprising a rotor and a first drive element, a support which is driven in rotation by the first actuator device through the first drive element, a second actuator device comprising a second drive element and a non-circular core on which to wind a material; said core being arranged on the support in a rotary manner and being driven in rotation by the second actuator device through the second drive element. The second drive element passes at least partially through the rotor.

Abstract: A method for forming electrodes assemblies, used for producing secondary lithium batteries, comprises the steps of feeding two separator strips with continuous feed motions, inserting between the two strips a succession of anodes at reciprocal distances that progressively increase, arranging a succession of cathodes, either all on an outer side of a strip, or alternating a cathode on an outer side of a strip and a cathode on an outer side of the other strip, such that on each single anode a single cathode is superimposed with the interposition of one of the two strips; strips, cathodes and anodes are then laminated together, the laminated product is wound in a single winding direction and the wound product is separated from the rest of the laminated product to enable a subsequent electrodes assembly to be formed.

Abstract: A method and an apparatus are disclosed for the production of electrical energy storage devices, in which two separators are fed alongside one another, two anode feeders arrange in an alternating manner a succession of anodes one after the other between the two separators, two cathode feeders arrange a succession of cathodes one after the other on the outer sides of the two separators in an alternating manner so that only one cathode is superimposed on each anode, after which a cutting device separates various discrete elements, each consisting of only one anode and only one cathode with the interposition of portions of the two separators.

Abstract: A method and an apparatus are disclosed for the production of electrical energy storage devices, in which two separators are fed alongside one another, two anode feeders arrange in an alternating manner a succession of anodes one after the other between the two separators, two cathode feeders arrange a succession of cathodes one after the other on the outer sides of the two separators in an alternating manner so that only one cathode is superimposed on each anode, after which a cutting device separates various discrete elements, each consisting of only one anode and only one cathode with the interposition of portions of the two separators.

Abstract: Production apparatus and method for producing devices for storing electric energy are disclosed, wherein stacks of flat cathodes and anodes that face one another alternately with the interposition of a separator are produced, and in which the separator is formed by a single continuous strip folded several times in a single folding direction.

Abstract: Production apparatus and method for producing devices for storing electric energy are disclosed, wherein stacks of flat cathodes r and anodes that face one another alternately with the interposition of a separator are produced, and in which the separator is formed by a single continuous strip folded several times in a single folding direction.