Laser bonding apparatus for three-dimensional molded sculptures
Disclosed are a laser bonding apparatus and a laser bonding method capable of bonding an electronic component to a three-dimensional structure having a regular or irregular shape in a curved portion such as an automobile tail lamp or a headlamp. The laser bonding apparatus and method for a three-dimensional structure may prevent misalignment and poor bonding of the electronic component with respect to the three-dimensional structure.
1. A laser bonding apparatus for three-dimensional structures comprising:
an electronic component providing unit for mounting and transporting a plurality of electronic components;
a three-dimensional structure providing unit for supporting and conveying a plurality of three-dimensional structures;
an adhesive material applying unit for applying adhesive material to one of the three-dimensional structures;
an electronic component attaching unit for attaching an electronic component to the three-dimensional structure on which the adhesive material is applied; and
a laser bonding unit for bonding the electronic component to the three-dimensional structure by irradiating a laser beam to the electronic component attached to the three-dimensional structure,
wherein the electronic component providing unit comprises: a tray on which the plurality of electronic components are mounted; and a tray transporting unit for transporting the tray in a predetermined direction.
2. The laser bonding apparatus according to claim 1 , wherein the three-dimensional structure providing unit includes:
a working table for supporting a plurality of three-dimensional structures; and
a working table conveying unit for conveying the working table on which the plurality of three-dimensional structures are mounted.
3. The laser bonding apparatus according to claim 1 , wherein the three-dimensional structure providing unit includes:
a seat on which the plurality of three-dimensional structures are seated;
a driving shaft connected to the seat; a driving belt connected to the driving shaft;
a first motor for rotating the driving belt; a coupler coupled to the driving shaft;
a support to which the coupler is rotatably coupled; and
a second motor connected to the coupler for rotating the coupler.
4. The laser bonding apparatus according to claim 2 , wherein the adhesive material applying unit includes:
a dispenser for applying solder paste or NCP to the three-dimensional structures mounted on the working table;
a first transfer unit for transferring the dispenser vertically and horizontally within a plane perpendicular to a tray transporting direction; and
a first gantry for supporting the first transfer unit.
5. The laser bonding apparatus according to claim 4 , wherein the adhesive material applying unit further includes a first monitoring unit for detecting the alignment state of the dispenser with respect to the three-dimensional structures and application state of the solder paste or NCP to the three-dimension structures.
6. The laser bonding apparatus according to claim 2 , wherein the electronic component attaching unit includes:
an electronic component attach for picking up the electronic component from the tray and attaching the electronic component to the three-dimensional structure on which the solder paste or NCP is applied;
a second transfer unit for transferring the electronic component attach vertically and horizontally within a plane perpendicular to a tray transporting direction; and
a second gantry for supporting the second transfer unit.
7. The laser bonding apparatus according to claim 6 , wherein the electronic component attach further includes a second monitoring unit for detecting an alignment state of the electronic component attach with respect to the three-dimensional structures and an attachment state of the electronic component to the three-dimensional structures.
8. A laser bonding apparatus for three-dimensional structures comprising:
an electronic component providing unit for mounting and transporting a plurality of electronic components;
a three-dimensional structure providing unit for supporting and conveying a plurality of three-dimensional structures;
an adhesive material applying unit for applying adhesive material to one of the three-dimensional structures;
an electronic component attaching unit for attaching an electronic component to the three-dimensional structure on which the adhesive material is applied; and
a laser bonding unit for bonding the electronic component to the three-dimensional structure by irradiating a laser beam to the electronic component attached to the three-dimensional structure,
wherein the laser bonding unit includes:
a laser oscillator for emitting the laser beam to the electronic component attached to the three-dimensional structure;
a laser beam irradiating unit including a beam shaper and an optical system for converting the laser beam having Gaussian distribution outputted from the laser oscillator into square or rectangular surface beam having a uniform energy distribution;
a third transfer unit for moving the laser beam irradiating unit vertically and horizontally within a plane perpendicular to the direction of tray transport; and
a third gantry for supporting the third transfer unit.
9. The laser bonding apparatus according to claim 8 , wherein the laser bonding unit further includes a third monitoring unit for detecting an alignment state of the laser beam irradiating unit with respect to the three-dimensional structures and a bonding state of the electronic component to the three-dimensional structures.
10. A laser bonding apparatus for three-dimensional structures comprising:
an electronic component providing unit for mounting and transporting a plurality of electronic components;
a three-dimensional structure providing unit for supporting and conveying a plurality of three-dimensional structures;
an adhesive material applying unit for applying adhesive material to one of the three-dimensional structures;
an electronic component attaching unit for attaching an electronic component to the three-dimensional structure on which the adhesive material is applied; and
a laser bonding unit for bonding the electronic component to the three-dimensional structure by irradiating a laser beam to the electronic component attached to the three-dimensional structure,
wherein the three-dimensional structure is a structure for an automobile tail lamp or an automobile headlamp.