Apparatus for fabricating laminated core

An apparatus for fabricating a laminated core in which a plurality of iron core elements are laminated and bonded to each other, the apparatus comprising:

• a lower mold including a die including a die hole;
• an upper mold including a punch corresponding to the die hole;
• a stripper plate included in the upper mold and movable downward to a lowest descending position that is a lowermost position, the stripper plate being operable to restrict upward and downward movements of a metal sheet during punching out of the metal sheet by the punch;
• an adhesive applicator included in the lower mold, located below the metal sheet, and operable to apply an adhesive onto a lower surface of the metal sheet;
• and
• a controller configured or programmed to control the stripper plate and the adhesive applicator;
• wherein
• the lower mold includes a lifter to push the metal sheet upward and move downward when the metal sheet is pushed downward by the stripper plate;
• the controller is configured or programmed to include:
• a movement controller configured or programmed to control upward and downward movements of the stripper plate;
• and
• an application controller configured or programmed to cause the adhesive applicator to apply the adhesive onto the lower surface of the metal sheet while the stripper plate is not located at the lowest descending position;
• and
• the application controller is configured or programmed to cause the adhesive applicator to apply the adhesive onto the lower surface of the metal sheet in a case where a gap is at least partially present at least one of between the lower mold and the metal sheet or between the metal sheet and the stripper plate.

An apparatus for fabricating a laminated core in which a plurality of iron core elements are laminated and bonded to each other, the apparatus comprising:

• a lower mold including a die including a die hole;
• an upper mold including a punch corresponding to the die hole;
• a stripper plate included in the upper mold and movable downward to a lowest descending position that is a lowermost position, the stripper plate being operable to restrict upward and downward movements of a metal sheet during punching out of the metal sheet by the punch;
• an adhesive applicator included in the lower mold, located below the metal sheet, and operable to apply an adhesive onto a lower surface of the metal sheet;
• and
• a controller configured or programmed to control the stripper plate and the adhesive applicator;
• wherein
• the lower mold includes a lifter to push the metal sheet upward and move downward when the metal sheet is pushed downward by the stripper plate;
• the controller is configured or programmed to include:
• a movement controller configured or programmed to control upward and downward movements of the stripper plate;
• and
• an application controller configured or programmed to cause the adhesive applicator to apply the adhesive onto the lower surface of the metal sheet while the stripper plate is not located at the lowest descending position;
• and
• the application controller is configured or programmed to cause the adhesive applicator to apply the adhesive onto the lower surface of the metal sheet while the stripper plate is not in contact with the metal sheet.

An apparatus for fabricating a laminated core in which a plurality of iron core elements are laminated and bonded to each other, the apparatus comprising:

• a lower mold including a die including a die hole;
• an upper mold including a punch corresponding to the die hole;
• a stripper plate included in the upper mold and movable downward to a lowest descending position that is a lowermost position, the stripper plate being operable to restrict upward and downward movements of a metal sheet during punching out of the metal sheet by the punch;
• an adhesive applicator included in the lower mold, located below the metal sheet, and operable to apply an adhesive onto a lower surface of the metal sheet;
• and
• a controller configured or programmed to control the stripper plate and the adhesive applicator;
• wherein
• the lower mold includes a lifter to push the metal sheet upward and move downward when the metal sheet is pushed downward by the stripper plate;
• the controller is configured or programmed to include:
• a movement controller configured or programmed to control upward and downward movements of the stripper plate;
• and
• an application controller configured or programmed to cause the adhesive applicator to apply the adhesive onto the lower surface of the metal sheet while the stripper plate is not located at the lowest descending position;
• and
• the application controller is configured or programmed to cause the adhesive applicator to apply the adhesive to the lower surface of the metal sheet while the stripper plate moves away from the lower mold.

An apparatus for fabricating a laminated core in which a plurality of iron core elements are laminated and bonded to each other, the apparatus comprising:

• a lower mold including a die including a die hole;
• an upper mold including a punch corresponding to the die hole;
• a stripper plate included in the upper mold and movable downward to a lowest descending position that is a lowermost position, the stripper plate being operable to restrict upward and downward movements of a metal sheet during punching out of the metal sheet by the punch;
• an adhesive applicator included in the lower mold, located below the metal sheet, and operable to apply an adhesive onto a lower surface of the metal sheet;
• and
• a controller configured or programmed to control the stripper plate and the adhesive applicator;
• wherein
• the lower mold includes a lifter to push the metal sheet upward and move downward when the metal sheet is pushed downward by the stripper plate;
• the controller is configured or programmed to include:
• a movement controller configured or programmed to control upward and downward movements of the stripper plate;
• and
• an application controller configured or programmed to cause the adhesive applicator to apply an adhesive onto the lower surface of the metal sheet while the stripper plate is not located at the lowest descending position;
• and
• the application controller is configured or programmed to cause the adhesive applicator to apply the adhesive onto the lower surface of the metal sheet only while conveyance of the metal sheet is stopped.