Light string and automatic assembly apparatus and method thereof

A light string assembled by using an automatic assembly apparatus, the automatic assembly apparatus including a lamp housing carrier, a holder and an assembly machine connected to the holder, the light string comprising:

• a plurality of lamp housings arranged in the lamp housing carrier along a longitudinal direction of the lamp housing carrier, wherein each of the lamp housings has an accommodating space and a lamp housing through hole extending through the lamp housing body;
• a first wire and a second wire wound around the holder along a longitudinal direction of the holder at a predetermined distance;
• and
• a plurality of first light-emitting elements attached across the first wire and the second wire;
• wherein after the assembly machine actuates the holder to move, the first light-emitting elements are moved into the accommodating spaces of the lamp housings respectively, the first light-emitting elements are removed together with the first wire and the second wire from the holder by the assembly machine, the first wire and the second wire pass through the lamp housing through holes of the lamp housings and are wound around the lamp housing carrier, a plurality of bonding elements are accommodated in the accommodating spaces of the lamp housings respectively to bond the lamp housings with the first light-emitting elements respectively, parts of the first wire and parts of the second wire to assemble the light string, and the light string is taken out from the lamp housing carrier.

An automatic assembly method for a light string by using an automatic assembly apparatus, the automatic assembly apparatus including a lamp housing, a holder and an assembly machine connected to the holder, the light string including a first wire, a second wire, a plurality of light-emitting elements and a plurality of lamp housings, the first wire and the second wire wound around the holder along a longitudinal direction of the holder, the light-emitting elements attached across the first wire and the second wire, the method comprising the following steps:

• using the assembly machine to arrange the lamp housings in the lamp housing carrier along a longitudinal direction of the lamp housing carrier;
• using the assembly machine to actuate the holder to move horizontally with respect to the lamp housing carrier to align the light-emitting elements with accommodating spaces of the lamp housings respectively;
• using the assembly machine to actuate the holder to move vertically toward the lamp housing carrier to move the light-emitting elements into the accommodating spaces respectively;
• using the assembly machine to remove the first wire and the second wire together with the light-emitting elements from the holder;
• using the assembly machine to pass the first wire and the second wire through the lamp housing through holes of the lamp housings to be wound around the lamp housing carrier;
• using the assembly machine to place a plurality of bonding elements in the accommodating spaces of the lamp housings, respectively, to bond the lamp housings with the corresponding light-emitting elements, parts of the first wire and parts of the second wire to assemble the light string through the bonding elements;
• and
• using the assembly machine to take the light string out from the lamp housing carrier.