Nagano Automation Co., Ltd.

Eliiy Power Co., Ltd

Seiji Yamaura

Hiroshi Sato

Kenichi Hirai

Tsukasa Miyazaki

Takuya Sakata

Hirotaka Kojima

There is provided an apparatusthat includes a pair of moldsandthat press together, heat, and weld an overlapping part of a plurality of film-like members, a pair of heater blocksandthat respectively support the pair of molds; a plurality of first support blocksthat are connected via a plurality of rod-like members, which midway include parts that restrict transmission of heat, to one heater block; a plurality of second support blocksthat are connected via the plurality of rod-like members to the other heater block; and a driving mechanismthat changes, via the support blocks, a gap between the pair of molds to press together the film-like members. The plurality of first support blocks include at least one movable support blockincluding a mechanismthat moves in a first direction relative to the driving mechanism corresponding to thermal deformation in the first direction of the heater block to be supported, and the plurality of second support blocks include at least one movable support block

Welding apparatus

A secondary battery manufacturing method enables smooth pulling of a separator by guide members by inhibiting a phenomenon in which, when the separator is being pulled by the guide members, the separator moves in the width direction and rattles. The method includes pulling in a separator by guide bars to zigzag-fold the separator; and suspending the separator between the guide bars via a suspension roller while locating buffer rollers at a predetermined descending position, the buffer rollers being disposed between support rollers for supporting the separator at midpoints upstream, in the transport direction of the separator, of the suspension roller, the buffer rollers being ascendable and descendable in contact with an upper surface of the separator to be adjustable vertically, and allowing the buffer rollers to ascend in accordance with movement of the guide bars, thereby supplying the separator of a length pulled in by the guide bars.

Secondary battery manufacturing method and manufacturing apparatus

After a separator is brought into a tension-free state, a plurality of guide members are crossed in a horizontal direction between rows of the guide members to fold the separator or a superposed body zigzag. Positive electrode plates or negative electrode plates are inserted into the resulting furrows to produce a secondary battery.

Method for producing and apparatus for producing secondary battery

A stacking apparatus includes a first rotating table that is equipped with a plurality of stacking regions and intermittently rotates the plurality of stacking regions respectively to a plurality of work positions, a first turning unit; and a second turning unit. The first turning unit includes a first arm that turns between the first stacking position and a first pickup position where an anode sheet is picked up and a second arm that turns in concert with movement of the first arm between the first stacking position and a second pickup position where a separator is picked up. The second turning unit includes a third arm that picks up a cathode sheet and a fourth arm that turns in concert with movement of the third arm and picks up a separator.

Stacking system

An apparatus including: a first bonding unit that at least partially bonds a first separator strip and a second separator strip in a width direction at a first position; a first feeding unit that supplies the first separator strip to the first position; a second feeding unit that supplies the second separator strip to the first position so as to make an angle to the first separator strip; and a third feeding unit that supplies, in synchronization with timing of bonding of the first separator strip and the second separator strip in the width direction at the first position, an electrode sheet to the first position so as to be between the first separator strip and the second separator strip and make an angle to the first separator strip and the second separator strip respectively.

Apparatus that sandwiches electrode sheet with separators

A production apparatus is equipped with a supply unit which has a cassette memberfor bearing a predetermined number of positive electrode plates or negative electrode plates, and which batchwise supplies a plurality of positive electrode platesor negative electrode platesplaced on the cassette memberto respective electrode plate conveying traysof an electrode plate conveying member

A stacking apparatus according to the present invention manufacturing a stacked electrode in which cathode sheets and anode sheets are stacked with a separator in between includes a first unit that folds a continuous separator sheet onto a first region and a second unit that alternately supplies an anode sheet and a cathode sheet to the first region in synchronization with the first unit folding the continuous separator sheet. The first unit includes a first wall surface and a second wall surface whose lengths are substantially equal to the folded length and fold the continuous separator onto the first region in a state where the continuous separator sheet is alternately vacuum chucked.

Apparatus and method for manufacturing a stacked electrode

An apparatus that supplies electrolyte inside a battery case disposed inside a reduced pressure chamber includes: a measuring unit where a piston moves in a first direction in a measuring space (S) inside a cylinder, a dispenser that injects electrolyte from above into a battery case, a first pipeline that connects an upper end portion of the measuring space (S) of the measuring unit and the dispenser, and a back pressure valve disposed on the first pipeline. The dispenser includes a discharge nozzle disposed inside the battery case or in a periphery of an upper end of the battery case, a needle valve that is disposed inside the discharge nozzle and opens and closes the discharge nozzle, and an actuator that drives the needle valve up and down.

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Nagano, Japan

Seiji Yamaura