Abstract: A manufacturing apparatus for heat dissipation fins can stably operate a stacker apparatus when stacking and collecting heat dissipation fins. Drop guide blades are provided above a holding apparatus for the heat dissipation fins disposed downstream of a cutoff apparatus that cuts a heat dissipation fin molding formed by a press apparatus into heat dissipation fins. When a stacker apparatus receives a heat dissipation fin from the holding apparatus, the drop guide blades approach the stacker apparatus and the heat dissipation fin is stacked and collected in the stacker apparatus by dropping to the stacker apparatus while being guided by the drop guide blades. After collecting the heat dissipation fins, only lowering operations of the stacker apparatus are performed.

Abstract: Hairpin-shaped heat exchanger tubes are guided with respect to a fin stack in which through-holes are formed in three or more lines. A guide apparatus includes: a first guide portion provided with a plurality of first guide pins that extend in an inclined direction; a second guide portion provided with a plurality of second guide pins that extend in an inclined direction in an opposite direction; a first guide pin axial direction moving apparatus that moves the first guide portion along an axial direction; a second guide pin axial direction moving apparatus that moves the second guide portion along an axial direction; a first guide pin row direction moving apparatus that moves the first guide portion along the row direction; and a second guide pin row direction moving apparatus that moves the second guide portion along the row direction. The hairpin-shaped heat exchanger tubes are held in gaps between the first guide pins and the second guide pins.

Abstract: 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.

Abstract: Provided is a stacking apparatus for heat exchanger cores that can assemble heat exchanger cores manufactured by a conventional manufacturing apparatus for heat exchanger core into stacked heat exchanger cores. As a solution, the stacking apparatus for heat exchanger cores includes: a core uprightly supporting unit; a first core holder with a J shape that holds a first heat exchanger core in close contact with a second heat exchanger core, a second core holder that holds the first heat exchanger core and the second heat exchanger core in close contact, and a core holding unit that moves the first core holder and the second core holder; a core conveying unit including a bottom supporter, a third core holder with a J shape that holds the first heat exchanger core or the second heat exchanger core held by the bottom supporter in close contact, and a moving mechanism; and an operation control unit that controls an operation of the core holding unit and the core conveying unit.

Abstract: A conveying apparatus can achieve high-speed conveyance of a molded body for flattened tube fins, prevent generation of noise during conveyance, and have a smaller size. A conveying apparatus conveys a molded body for flattened tube fins obtained by providing a metal thin plate with cutaway portions, before the metal thin plate is cut into a predetermined length. The conveying apparatus includes a rotary conveying body including a plurality of protrusions that are tapered and able to enter the cutaway portions, and including a rotation shaft in a direction orthogonal to a conveying direction of the molded body for flattened tube fins in a horizontal plane, and a rotary conveying body driving unit that rotates and drives the rotary conveying body.

Abstract: An alignment apparatus for aligning hairpin-shaped heat-exchanger tubes at a regular pitch. An insertion position side is configured as a regular pitch alignment unit where arrangement plates are provided at an interval that is double the pitch of through-holes in a fin stack. An upstream side is configured as a wide pitch alignment unit where arrangement plates are provided at an interval equal to an integer multiple of two or more times the regular pitch alignment unit. The regular pitch alignment unit is provided with stopper apparatuses that stop the hairpin-shaped heat-exchanger tubes at different positions in an inclined direction for the respective arrangement plates. The wide pitch alignment unit is capable of moving along an alignment direction of the arrangement plates so as to allow the hairpin-shaped heat-exchanger tubes to move to the regular pitch alignment unit, where the hairpin-shaped heat-exchanger tubes are stopped at a more downstream position.

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: An alignment apparatus is capable of suppressing widening of legs of hairpin-shaped heat-exchanger tubes and aligning the hairpin-shaped heat-exchanger tubes in the horizontal direction at a regular pitch. The alignment apparatus includes: a plurality of outer guide plates that have rollers, which contact upstream sides of legs of the hairpin-shaped heat-exchanger tubes that have been stopped by a stopper apparatus, and that contact outer side surfaces of the legs; a horizontal movement apparatus that moves the outer guide plates in a horizontal direction; an up-down movement apparatus that moves the outer guide plates in an up-down direction; and a control unit that drives the horizontal movement apparatus to move the outer guide plates a predetermined distance toward an insertion position, and then drives the up-down movement apparatus to raise the outer guide plates by a predetermined distance to change an orientation of the hairpin-shaped heat-exchanger tubes to the horizontal direction.

Abstract: An apparatus for conveying a molded body for heat exchanger fins is capable of realizing high-speed conveying of the molded body for heat exchanger fins, of preventing the generation of noise during conveying, and of miniaturization. As a solution, an apparatus for conveying a molded body for heat exchanger fins has a plurality of conveying units, which each include a rotating conveyor driving unit and a rotating conveyor with a rotating shaft and rotating discs on which a plurality of protrusions that advance into the tube insertion portions of a heat exchanger fin are formed, disposed along a conveying direction of the metal strip, has a drive belt suspended between the rotating shafts of adjacent conveying units, and has an operation control unit that synchronizes rotational driving operations of the rotating shafts of the respective rotating conveyor driving units.

Abstract: A conveying apparatus can achieve high-speed conveyance of a molded body for flattened tube fins, prevent generation of noise during conveyance, and have a smaller size. A conveying apparatus conveys a molded body for flattened tube fins obtained by providing a metal thin plate with cutaway portions, before the metal thin plate is cut into a predetermined length. The conveying apparatus includes a rotary conveying body including a plurality of protrusions that are tapered and able to enter the cutaway portions, and including a rotation shaft in a direction orthogonal to a conveying direction of the molded body for flattened tube fins in a horizontal plane, and a rotary conveying body driving unit that rotates and drives the rotary conveying body.

Abstract: Provided is a conveying apparatus for conveying a molded body for heat exchanger fins that can achieve high-speed conveyance of a molded body for heat exchanger fins, prevent generation of noise during conveyance, and have a smaller size.

Abstract: Provided is a conveying apparatus for conveying a molded body for heat exchanger fins that can achieve high-speed conveyance of a molded body for heat exchanger fins, prevent generation of noise during conveyance, and have a smaller size.

Abstract: An apparatus for conveying a molded body for heat exchanger fins is capable of realizing high-speed conveying of the molded body for heat exchanger fins, of preventing the generation of noise during conveying, and of miniaturization. As a solution, an apparatus for conveying a molded body for heat exchanger fins has a plurality of conveying units, which each include a rotating conveyor driving unit and a rotating conveyor with a rotating shaft and rotating discs on which a plurality of protrusions that advance into the tube insertion portions of a heat exchanger fin are formed, disposed along a conveying direction of the metal strip, has a drive belt suspended between the rotating shafts of adjacent conveying units, and has an operation control unit that synchronizes rotational driving operations of the rotating shafts of the respective rotating conveyor driving units.

Abstract: An apparatus for inserting flattened tubes into heat exchanger fins includes a guide 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 holds the heat exchanger fins and the guide with a flattened tube holding unit in which flattened tubes 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 inserts the flattened tubes held on the flattened tube holding unit into the cutaway portion with a platen that is caused to contact another edge in a width direction of the heat exchanger fins when the flattened tubes are inserted into the cutaway portions. Thereafter a compressing unit compresses the heat exchanger fins in the stacking direction.

Abstract: An apparatus for inserting flattened tubes into heat exchanger fins includes a fin stack arranging unit in which heat exchanger fins are stacked in the thickness direction and a guide is inserted into at least a cutaway portion. A flattened tube arranging unit holds flattened tubes in an intermittent arrangement with respect to the cutaway portions into which the guide has not been inserted. A flattened tube insertion driving unit inserts the flattened tubes into the cutaway portions. A contact plate produces a reactive force when the flattened tubes are inserted into the cutaway portions. A flattened tube intermittently inserted fin stack arranging unit aligns the positions of cutaway portions into which the flattened tubes have not been inserted to the positions of the flattened tubes on the flattened tube arranging unit and is used in place of the fin stack arranging unit.

Abstract: Hairpin-shaped heat exchanger tubes are guided with respect to a fin stack in which through-holes are formed in three or more lines. A guide apparatus includes: a first guide portion provided with a plurality of first guide pins that extend in an inclined direction; a second guide portion provided with a plurality of second guide pins that extend in an inclined direction in an opposite direction; a first guide pin axial direction moving apparatus that moves the first guide portion along an axial direction; a second guide pin axial direction moving apparatus that moves the second guide portion along an axial direction; a first guide pin row direction moving apparatus that moves the first guide portion along the row direction; and a second guide pin row direction moving apparatus that moves the second guide portion along the row direction. The hairpin-shaped heat exchanger tubes are held in gaps between the first guide pins and the second guide pins.

Abstract: Provided is a stacking apparatus for heat exchanger cores that can assemble heat exchanger cores manufactured by a conventional manufacturing apparatus for heat exchanger core into stacked heat exchanger cores. As a solution, the stacking apparatus for heat exchanger cores includes: a core uprightly supporting unit; a first core holder with a J shape that holds a first heat exchanger core in close contact with a second heat exchanger core, a second core holder that holds the first heat exchanger core and the second heat exchanger core in close contact, and a core holding unit that moves the first core holder and the second core holder; a core conveying unit including a bottom supporter, a third core holder with a J shape that holds the first heat exchanger core or the second heat exchanger core held by the bottom supporter in close contact, and a moving mechanism; and an operation control unit that controls an operation of the core holding unit and the core conveying unit.

Abstract: An alignment apparatus is capable of suppressing widening of legs of hairpin-shaped heat-exchanger tubes and aligning the hairpin-shaped heat-exchanger tubes in the horizontal direction at a regular pitch. The alignment apparatus includes: a plurality of outer guide plates that have rollers, which contact upstream sides of legs of the hairpin-shaped heat-exchanger tubes that have been stopped by a stopper apparatus, and that contact outer side surfaces of the legs; a horizontal movement apparatus that moves the outer guide plates in a horizontal direction; an up-down movement apparatus that moves the outer guide plates in an up-down direction; and a control unit that drives the horizontal movement apparatus to move the outer guide plates a predetermined distance toward an insertion position, and then drives the up-down movement apparatus to raise the outer guide plates by a predetermined distance to change an orientation of the hairpin-shaped heat-exchanger tubes to the horizontal direction.

Abstract: There is provided an alignment apparatus capable of aligning hairpin-shaped heat-exchanger tubes at a regular pitch. An insertion position side is configured as a regular pitch alignment unit where arrangement plates are provided at an interval that is double the pitch of through-holes in a fin stack. An upstream side is configured as a wide pitch alignment unit where arrangement plates are provided at an interval equal to an integer multiple of two or more times the regular pitch alignment unit. The regular pitch alignment unit is provided with stopper apparatuses that stop the hairpin-shaped heat-exchanger tubes at different positions on the upstream side and downstream side in an inclined direction for the respective arrangement plates.

Abstract: To enable high-speed conveying of a molded body for heat exchanger fins and, by conveying stably and with high precision, preventing deformation of the molded body for heat exchanger fins and the generation of noise when conveying the molded body for heat exchanger fins, a molding apparatus forms a plurality of cutaway portions at different positions on each molded body for heat exchanger fins of the product width. A conveying apparatus is provided with a rotational shaft 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.