Abstract: The problem of providing an apparatus for conveying a molded body for heat exchanger fins that is capable of realizing high speed conveying of the molded body for heat exchanger fins, preventing the generation of noise during conveying, and miniaturization is provided. An apparatus conveys a metal strip in a predetermined direction after tube insertion portions are formed in a thin metal plate, and has a plurality of conveying units disposed along a conveying direction of the molded body for heat exchanger fins, each conveying unit including: a rotating conveyor that has a plurality of tapered protrusions that are capable of advancing into the tube insertion portions and a rotating shaft in a direction that is perpendicular to a conveying direction of the metal strip on a horizontal plane; and a rotating conveyor driving unit that rotationally drives the rotating conveyor.

Abstract: When taking out flattened tube fins that have been stacked in a stacker apparatus from the stacker apparatus while maintaining the stacked state, an apparatus is provided for taking out the stacked flattened tube fins from the stacker apparatus that stacks the flattened tube fins having cutaway portions into which flattened tubes are inserted. The apparatus includes a first member including a base plate and an erected portion, a second member that is disposed at a position facing the first member and together with the first member clamps the flattened tube fins, and a moving mechanism that causes the first member and the second member to move toward and away from the flattened tube fins on the stacker apparatus and moves the flattened tube fins and the stacker apparatus apart while the flattened tube fins of the stacker apparatus are clamped by the first member and the second member.

Abstract: The present invention addresses the problem of providing an apparatus for inserting flattened tubes into heat exchanger fins that is capable of assembling a heat exchanger core efficiently and with a high yield.

Abstract: The present invention aims to provide a manufacturing device for heat exchanger fins that is capable of adjusting for differences between a number of punches and a number of through-holes or cutaway portions in an actual product without causing a metal strip to sag or having punches punch the same positions twice.

Abstract: An apparatus for inserting flattened tubes into heat exchanger fins that is capable of assembling a heat exchanger core efficiently and with a high yield. A guide is inserted into at least one out of a plurality of cutaway portions for holding heat exchanger fins in the thickness direction; a guide holding unit that holds the heat exchanger fins and the guide; a flattened tube holding unit in which flattened tubes T are held in an intermittent arrangement with respect to the cutaway portions into which the guide has not been inserted; a flattened tube insertion driving unit that inserts the flattened tubes held on the flattened tube holding unit into the cutaway portions; a platen that is caused to contact another edge in a width direction of the heat exchanger fins when the flattened tubes T are inserted into the cutaway portions; and a compressing unit that compresses the heat exchanger fins in the stacking direction.

Abstract: When taking out flattened tube fins that have been stacked in a stacker apparatus from the stacker apparatus while maintaining the stacked state, an apparatus is provided for taking out the stacked flattened tube fins from the stacker apparatus that stacks the flattened tube fins having cutaway portions into which flattened tubes are inserted. The apparatus includes a first member including a base plate and an erected portion, a second member that is disposed at a position facing the first member and together with the first member clamps the flattened tube fins, and a moving mechanism that causes the first member and the second member to move toward and away from the flattened tube fins on the stacker apparatus and moves the flattened tube fins and the stacker apparatus apart while the flattened tube fins of the stacker apparatus are clamped by the first member and the second member.

Abstract: The present invention aims to provide a manufacturing device for heat exchanger fins that is capable of adjusting for differences between a number of punches and a number of through-holes or cutaway portions in an actual product without causing a metal strip to sag or having punches punch the same positions twice.

Abstract: A feeding apparatus for a wide metal strip, wherein a plurality of through-holes are formed with predetermined gaps in a length direction and a width direction, into a cutter and pulls narrow metal strips formed by cutting the wide metal strip between the through-holes in the length direction so that through-holes are formed along only the length direction. The feeding apparatus includes a feeding-in apparatus that is provided on an entrance side of the cutter that feeds the wide metal strip into the cutter and a pulling-out apparatus that is provided on an exit side of the cutter that pulls out the narrow metal strips, which have been cut out by the cutter. A linking member drives the feeding-in apparatus and the pulling-out apparatus in concert so that the wide metal strip is fed into the cutter together with the narrow metal strips out being pulled out from the cutter.

Abstract: A manufacturing apparatus for heat exchanger fins is provided that can prevent deformation of a metal strip when the metal strip is conveyed by a feeding pin. In a manufacturing apparatus for heat exchanger fins, including a press apparatus having a mold that forms a metal strip by pressing a plurality of through-holes or a plurality of cutaway portions on a thin metal plate and a first feeding apparatus arranged on the downstream side of the mold for conveying the metal strip formed by the mold to the downstream side in the conveying direction, a second feeding apparatus that conveys a thin metal plate before press working by the mold into the mold in synchronization with a conveying operation of the first feeding apparatus is provided on the upstream side of the press apparatus.

Abstract: A manufacturing apparatus that manufactures flattened tube fins, in which cutaway portions for inserting flattened tubes for heat exchanging are formed, includes: a press apparatus provided with a mold apparatus that forms the cutaway portions in an unmachined metal thin plate to produce a metal strip; an inter-row slit apparatus cutting the metal strip into predetermined widths to form a plurality of metal strips of a product width; a cutoff apparatus cutting each metal strip of the product width into predetermined lengths; a holding apparatus that holds a plurality of metal strips of the product width that protrude from a downstream side in the conveying direction of the cutoff apparatus; and a stacker apparatus for stacking the flattened tube fins that have been cut into predetermined lengths by the cutoff apparatus.

Abstract: A flattened tube fin manufacturing apparatus includes: a press apparatus; an inter-row slit apparatus forming metal strips of a product width that are arranged in the width direction; a first feeding apparatus feeding the metal strips cut by the inter-row slit apparatus downstream; a cutoff apparatus that cuts the metal strips formed by the inter-row slit apparatus into predetermined lengths to form flattened tube fins; and a second feeding apparatus that feeds the flattened tube fins downstream. The plurality of metal strips outputted from the inter-row slit apparatus advance into the cutoff apparatus after entering a downwardly sagging state. The flattened tube fin manufacturing apparatus further includes a control unit controlling a feeding amount of the second feeding apparatus based on a feeding amount of the first feeding apparatus.

Abstract: A flattened tube fin manufacturing apparatus includes a press apparatus equipped with a mold apparatus forming cutaway portions into which flattened tubes are inserted to produce metal strips; an inter-row slit apparatus cutting the metal strip, in which the cutaway portions have been formed, into predetermined widths to form a plurality of metal strips of a product width arranged in the width direction; and a cutoff apparatus cutting each metal strip of the product width formed by the inter-row slit apparatus into predetermined lengths. The metal strips of the product width outputted from the inter-row slit apparatus advance into the cutoff apparatus after entering a downwardly sagging state. A support portion that contacts and supports lower surfaces of the metal strips of product width in the downwardly sagging state is also provided.

Abstract: A manufacturing apparatus that manufactures flattened tube fins includes: a press apparatus equipped with a mold apparatus that forms cutaway portions in a thin metal plate to produce a metal strip; an inter-row slit apparatus cutting the metal strip into predetermined widths to form metal strips of a product width; a cutoff apparatus that cuts the metal strips of the product width into predetermined lengths to obtain flattened tube fins; and a metal strip guide which is disposed between the inter-row slit apparatus and the cutoff apparatus and supplies the metal strips of the product width to the cutoff apparatus in a state where the metal strips are separated from one another.

Abstract: A stacking apparatus capable of stacking flattened tube fins efficiently is provided. There is provided a stacking apparatus for stacking flattened tube fins, each having a cutaway portion through which a heat exchanger flattened tube is inserted, formed from one side to the other side in a width direction, the stacking apparatus including a stack pin to be inserted into the cutaway portion, and the stack pin has a swing-preventing structure.

Abstract: A manufacturing apparatus manufactures flattened tube fins in which cutaway portions for inserting flattened tubes for heat exchanging are formed. The manufacturing apparatus includes: a press apparatus with a mold apparatus that forms the cutaway portions in an unmachined metal thin plate to produce a metal strip; an inter-row slit apparatus cutting the metal strip with the formed cutaway portions into predetermined widths to form metal strips of product width arranged in the width direction; and a cutoff apparatus cutting each metal strip of the product width formed by the inter-row slit apparatus into predetermined lengths. A plurality of box-like magazines whose upper surfaces are open are arranged in the width direction downstream of the cutoff apparatus to stack the flattened tube fins formed by the cutoff apparatus cutting into lengths.

Abstract: A corrugate fin manufacturing apparatus includes: a die; a machining punch inserted into a concave in the die to form a rib, wherein on entering the concave, the machining punch does not contact a part of a plate-like body that has not been machined into ribs or does not cause resistance to drawing in of the unmachined part during formation of a rib even when there is contact; a mounting portion provided on the die; and a flat punch provided upstream of the machining punch, wherein when a rib is being formed, the flat punch is positioned to not contact the unmachined part or shaped to not cause resistance to drawing in of the machined part even when there is contact, and wherein after formation of a rib, the flat punch presses down the unmachined part and flattens the unmachined part in combination with the mounting portion.

Abstract: A feeding apparatus feeds a metal strip with cutaway portions in a conveying direction and includes: a reference plate on which the metal strip is placed and in which a slit is formed; moving bodies that are provided below the reference plate and are moved by driving means parallel to the reference plate in the conveying direction; feed pins that advance into the cutaway portions, are provided on the moving bodies so as to move up and down with respect to the reference plate, and pull the metal strip in the conveying direction when the moving bodies move; and at least one guide portion that contacts a side surface on an opposite side of the metal strip to the cutaway portions and guides conveyance of the metal strip.

Abstract: A machining oil applying apparatus that applies machining oil onto a thin metal plate that is being conveyed toward a press apparatus includes: an upper surface applying unit that is impregnated with machining oil, contacts an upper surface of the thin plate and applies the machining oil onto the upper surface; a lower surface applying unit that is impregnated with the machining oil, contacts an lower surface of the thin plate and applies the machining oil onto the lower surface; and an applying unit moving portion that causes the upper surface applying unit and the lower surface applying unit to move reciprocally in a direction perpendicular to a conveying direction of the thin plate, wherein the upper surface applying unit and the lower surface applying unit always move in respectively opposite directions perpendicular to the conveying direction.

Abstract: A feeding apparatus for feeding metal strips in a feeding direction includes a plurality of reciprocating members on which feed pins inserted inside through-holes of the metal strips are provided and a driving means that converts up-down movement of a press apparatus to reciprocal movement in the feeding direction to reciprocally move the reciprocating members. In a predetermined half cycle of an up-down movement of the press apparatus, the driving means moves first reciprocating members in the feeding direction in a state where the feed pins have been inserted into the through-holes and returns other reciprocating members in the opposite direction in a state where the feed pins have been lowered, and in the remaining half cycle, the driving means raises and lowers the feed pins of the reciprocating members.

Abstract: A feeder apparatus includes: a reciprocating block moved reciprocally when a metal strip with collar-equipped through-holes is fed; a moving block disposed above the reciprocating block and connected to a connecting member so as to move in a movement direction of the reciprocating block; a pin block that moves together with the moving block and on which feed pins inserted into the through-holes are provided; an up-down cam unit that moves the pin block up and down; and a cam that is rotated by converting reciprocal movement of the reciprocating block to rotation about the width direction of the metal strip and includes a channel of a predetermined shape, wherein a cam follower inserted into the channel of the cam is provided on the moving block.