Conveying of a molded body for heat exchanger fins at a high speed to prevents deformation of the molded body for heat exchanger fins and the generation of noise. A molding apparatus forms a plurality of cutaway portions at different positions on each molded body of the product width. A rotational shaft is provided that extends in the width direction and has a plurality of rotating discs that have a plurality of tapered protrusions, which are capable of advancing into the cutaway portions, formed on an outer circumferential surface thereof provided on the rotational shaft for each molded body for heat exchanger fins of the product width. When the plurality of cutaway portions of the molded bodies for heat exchanger fins of the product width, on which the plurality of cutaway portions has different positions, are disposed directly above the rotational shaft, the protrusions advance into the cutaway portions.

A fin manufacturing apparatus includes: a first inter-row slit device that forms, by forming in a thin metal plate having a plurality of openings a plurality of slits extending in a longitudinal direction of the thin metal plate while leaving an uncut portion between the plurality of slits, metal strips partially coupled to each other in a transverse direction; a feed roller and a feeding device that convey, in the longitudinal direction, the metal strips in which the plurality of slits is formed by the first inter-row slit device; and a stacking device that (i) forms fins by cutting the uncut portion via which the metal strips are coupled to each other, to separate the metal strips and by cutting the metal strips at regular length intervals and (ii) stacks the formed fins.

The present invention provides a rotating-layering mold whereby a punched sheet is rotated according to a prescribed angle and layered by an upper mold and a lower mold working in tandem, and provides a press apparatus comprising the rotating-layering mold. A rotating-layering mold comprises a squeeze ring in which is provided a holding hole for holding a punched sheet, the squeeze ring being capable of rotating with respect to a lower mold so that an upper outer circumferential surface of the squeeze ring lies along an inner circumferential surface of the lower mold. The rotating-layering mold further comprises a first thrust bearing, a second thrust bearing, and a radial bearing in order to support the rotation of the squeeze ring with respect to the lower mold.

The present invention provides a rotating-layering mold whereby a punched sheet is rotated according to a prescribed angle and layered by an upper mold and a lower mold working in tandem, and provides a press apparatus comprising the rotating-layering mold. A rotating-layering mold comprises a squeeze ring in which is provided a holding hole for holding a punched sheet, the squeeze ring being capable of rotating with respect to a lower mold so that an upper outer circumferential surface of the squeeze ring lies along an inner circumferential surface of the lower mold. The rotating-layering mold further comprises a first thrust bearing, a second thrust bearing, and a radial bearing in order to support the rotation of the squeeze ring with respect to the lower mold.

A device and a method for connecting sheet metal parts to form lamination stacks are demonstrated, in which sheet metal parts are stamped out of an electrical steel strip by means of at least one stamping stage, which has a die and a cutting edge that cooperates with the die, and the stamped-out sheet metal parts are stacked and at least integrally joined to form a plurality of lamination stacks; at least between a first sheet metal part of the stacked sheet metal parts and the subsequent second sheet metal part of the stacked sheet metal parts, a separating element is provided in order to facilitate the separation of the integrally joined sheet metal parts in lamination stacks. In order to improve the reproducibility of the method, when applying the separating element, it is proposed that after the first sheet metal part is stamped out and before the second sheet metal part is stamped out, the separating element which, in accordance with the die geometry, is smaller or of the same size is conveyed to the die, is inserted into said die, and is thus provided to the first sheet metal part.

A stacking system for aligning and stacking stamped sheet metal parts is provided. The stacking system includes a frame configured to coordinate a plurality of sub-systems including a parts catcher, receiving head including a plurality of alignment cylinders, and a set of elevating tables on a shuttle platform. Parts are received by the catcher from a conveyor belt and transported to a receiving head for alignment to a targeted position. After the formed part is aligned to the stack, the lift table is lowered such that space is available for another part to be aligned. After a predetermined number of formed parts has been stacked, a table shuttle will slide the lift table to an unloading position accessible by a fork truck.

At least one caulking group (13) that includes a plurality of caulking parts (14, 15) with different directions is formed on a plurality of thin plates (10) placed in a stacked state to fix the position of the stacked thin plates (10), and then a preset punching process is performed with respect to the thin plates (10) that have been positioned with pilot holes (12). This makes it possible to perform a high-accuracy punching process when punching the plurality of thin plates (10) placed in a stacked state, since positional deviations between the thin plates (10) are avoided and pilot pins (11) are prevented from deforming the periphery of the pilot holes (12).

Two-dimensional material sheets are stacked in a stacking device. One of a printing machine and a coating machine has at least one stacking unit having a stacking space. Material sheets are conveyed, via the stacking space of the stacking unit, comprised by the stacking device, and are deposited into a stack on top of one another on a loading aid. For two different production runs, the stacks are formed on the loading aid with the four corners of their areas in mutually different relative orientations with respect to the loading aid, which is arranged, in each case, in the stacking space of the stacking unit and is larger-format compared with the material sheets to be deposited in each case. For the two production runs, in each case, one loading aid of the same format is positioned on different positions, as seen in projection in the horizontal, in the stacking space of the stacking unit.

A workpiece placement platform device including: an X-axis direction positioning member provided on one side of a placement platform on which to place a plate-shaped workpiece and configured to position one side edge of the workpiece in an X-axis direction by contacting the one side edge; a Y-axis direction positioning member provided on another side of the placement platform and configured to position another side edge of the workpiece in a Y-axis direction by contacting the another side edge; and a workpiece positioning member that is movable in and out relative to a workpiece placement surface of the placement platform and configured to partition the workpiece placement surface into sections in the X-axis direction and enable simultaneous positioning at the sections on the workpiece placement surface.

A refilling device on a stacking magazine (2) comprises a refilling magazine (18) which is disposed above the stacking magazine and has a rotatably drivable shaft (10) on each of two sides of the refilling magazine, the shafts together forming a support for a stack (11), and at least one controllably activatable air nozzle, by way of which air can be blown into the refilling magazine in such a way that metal sheets on the bottom side of the stack (11) can be bent by the air supply in the direction of the stacking magazine.