Electric parts mounting apparatus and electric parts mounting method
First Claim
1. An electric parts mounting apparatus comprising a plurality of vacuum heads means for respectively taking up an electric part from a parts feeder and mounting said electric part on a parts support, a head holder means for rotatably supporting said plurality of vacuum head means, a rotation shaft means secured to said head holder means for rotating said head holder means, a mounting frame means for supporting said rotation shaft means, and a head rotation drive mechanism for rotating said vacuum head means including a driven member mounted on each of said vacuum head means on a side thereof opposite to a side thereof taking up said electric parts, and a drive member magnetically connected to said driven member with a small gap therebetween and rotated by a drive source.
1 Assignment
0 Petitions
Accused Products
Abstract
An electric parts mounting apparatus is provided with a head rotation drive mechanism which is magnetically or fluidly connected to a vacuum head in a non-contact state. The vacuum heads are rotated by the head rotation drive mechanism, and the electric parts taken up by the vacuum heads are angularly positioned, and then mounted on the circuit board.
32 Citations
16 Claims
- 1. An electric parts mounting apparatus comprising a plurality of vacuum heads means for respectively taking up an electric part from a parts feeder and mounting said electric part on a parts support, a head holder means for rotatably supporting said plurality of vacuum head means, a rotation shaft means secured to said head holder means for rotating said head holder means, a mounting frame means for supporting said rotation shaft means, and a head rotation drive mechanism for rotating said vacuum head means including a driven member mounted on each of said vacuum head means on a side thereof opposite to a side thereof taking up said electric parts, and a drive member magnetically connected to said driven member with a small gap therebetween and rotated by a drive source.
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3. An electric parts mounting apparatus comprising a plurality of vacuum head means for respectively taking up an electric part from a parts feeder and mounting said electric parts on a parts support, a head holder means for rotatably supporting said plurality of vacuum head means, a rotation shaft means secured to said head holder means for rotating said head holder means, a mounting frame means for supporting said rotation shaft means, and a head rotation drive mechanism for rotating said vacuum head means including a magnetic member mounted on each of said vacuum head means on an opposite side thereof to a side thereof for taking up said electric parts so as to be slidable on said vacuum head means in an axial direction thereof and engaged with said vacuum head means in a rotational direction thereof, and an electromagnet disposed in opposition to said magnetic member with a gap therebetween and rotated by a drive source, and wherein said head rotation drive mechanism attracts said magnetic member by magnetizing said electromagnet and rotates said vacuum head means by said drive source.
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4. An electric parts mounting apparatus comprising a plurality of vacuum head means for taking up an electric part from a parts feeder and mounting said electric part on a parts support, a head holder means for rotatably supporting said plurality of vacuum head means, a rotation shaft means secured to said head holder means for rotating said head holder means, a mounting frame means for supporting said rotation shaft means, and a head rotation drive mechanism for rotating said vacuum head means including a disk-shaped driven member mounted on each of said vacuum head means, and a disk-shaped drive member arranged in radial opposition to said driven member with a small gap therebetween to be rotated by a drive source, and magnets arranged on an outer peripheral portion of each of said driven member and said drive member with N poles and S poles being alternately disposed whereby said driven member and said drive member are magnetically coupled.
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5. An electric parts mounting apparatus comprising a plurality of vacuum head means for taking up an electric part from a parts feeder and mounting said electric part on a parts support, a head holder means for rotatably supporting said plurality of vacuum head means, a rotation shaft means secured to said head holder means for rotating said head holder means, a mounting frame means for supporting said rotation shaft means, and a rotation drive mechanism for rotating said plurality of vacuum head means including a driven member attached to each of said vacuum head means on an opposite side thereof to a side thereof for taking up said electric parts, and a drive member, disposed in opposition to said driven member, rotated by a drive source, and connected to said driven member by a fluid force.
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6. An electric parts mounting apparatus comprising a plurality of vacuum head means for taking up an electric part from a parts feeder and mounting said electric part on a parts support, a head holder means for rotatably supporting said plurality of vacuum head means, a rotation shaft means secured to said head holder means for rotating said head holder means, a mounting frame means for supporting said rotation shaft means, and a head rotation drive mechanism for rotating said vacuum head means including a rotating motor comprising a rotor mounted on said vacuum head means on an opposite side thereof to a side thereof taking up said electric parts, and a stator disposed in opposition to said rotor with a small gap.
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7. An electric parts mounting apparatus comprising vacuum head means for taking up an electric part from a parts feeder and mounting said electric part on a parts support, a head holder means for rotatably supporting said vacuum head means, a rotation shaft means secured to said head holder means for rotating said head holder means, a mounting frame means for supporting said rotation shaft means, and a head rotation drive mechanism for rotating said vacuum head means including a rotating motor comprising a rotor mounted on each of said vacuum head means on an opposite side thereof to a side thereof taking up said electric parts, a stator disposed in opposition to said rotor with a small gap therebetween, wherein said rotor includes a rotating yoke and a plurality of magnets fixedly mounted on said yoke, said plurality of magnets being magnetized in a thickness direction and being annularly arranged so that adjacent parts of said magnets form magnetic poles, and wherein said stator includes a fixed yoke, a plurality of coils and entire ICs respectively annularly mounted on said fixed yoke of said stator.
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8. An electric parts mounting apparatus comprising a plurality of vacuum head means for taking up an electric part from a parts feeder and mounting said electric part on a parts support, a head holder means for rotatably supporting said plurality of vacuum head means, a rotation shaft means secured to said head holder means for rotating said head holder means, a mounting frame means for supporting said rotation shaft means, and a head rotation drive mechanism for rotating said vacuum head means including a motor comprising a rotor mounted on each of said vacuum head means on an opposite side thereof to a side thereof taking up said electric parts, a stator disposed in opposition to a side face of said rotor with a small gap therebetween, wherein said rotor has a plurality of magnets arranged in a ring-state and in two steps in a vertical direction so that adjacent magnets are opposite in magnetic polarity to each other, wherein said stator includes two U-shaped poles opposed to upper and lower magnets of said plurality of magnets in a non-contact state.
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9. An electric parts mounting apparatus comprising a plurality of vacuum head means for taking up an electric part at a taking-up station and mounting the electric part on a parts support at a mounting station, with each of said plurality of vacuum head means being rotated at a prescribed angle at a vacuum head rotation station between said taking up and mounting stations, a rotor for a rotating motor is secured to each of said vacuum head means, and a stator for the rotating motor is provided in said vacuum head rotation station disposed in opposition to said rotor in a non-contact state when said vacuum head means reaches said vacuum head rotation station, whereby each of said plurality of vacuum head means is rotated at said vacuum head rotation station.
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10. An electric parts mounting apparatus comprising a plurality of vacuum head means intermittently moved in synchronism with each other along a prescribed path for taking up electric parts in turn at a parts taking up position and transferring the parts to a parts mounting position through a rotation of the vacuum head means effecting angular positioning of the electric parts, and a head rotation drive mechanism comprising a driven member provided on each of said vacuum head means, a drive member provided in a non-contact state with and in an adjacent relationship to said driven member, and means for magnetically connecting said driven member and said drive member whereby said angular positioning of each of said electric parts is effected by said head rotation drive mechanism.
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11. An electric parts mounting apparatus comprising mounting means for taking up electric parts and mounting said electric parts on an electric parts support, a holding means for rotatably holding said mounting means, and a rotating means for rotating said mounting means including a driven means provided on said mounting means, and a drive means driven by a drive source magnetically connected to said driven means with a small gap therebetween.
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12. A vacuum head rotation drive mechanism for an electric parts mounting apparatus, the rotation drive mechanism comprising a driven member mounted on a vacuum head means for taking up electric parts and mounting said electric parts on a parts support, and a drive member magnetically connected to said driven member with a small gap formed therebetween and rotated by a drive source.
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13. An electric parts mounting method, the method comprising the steps of:
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preparing a plurality of vacuum head means for taking up electric parts from a parts feeder and mounting the electric parts on a parts support; preparing a head holder means for rotatably supporting the plurality of vacuum head means; preparing a rotation shaft means for rotating the head holder means; preparing a mounting frame means for supporting the rotation shaft means; providing a driven member respectively drivingly connected to the vacuum head means on an opposite side of the vacuum head means to the side taking up the electric parts, and a driving member magnetically coupled to the driven member with a small gap therebetween; rotating the vacuum head means relative to the head holder means by rotating the driving member to effect angular positioning of the electric parts; and mounting the electric parts on the parts support. - View Dependent Claims (16)
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14. An electric parts mounting method, the method comprising the steps of:
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taking up electric parts from a parts feeder by a taking up head means; magnetically connecting said taking up head means to a drive member for driving said taking up head means with a small gap between said taking up head means and said drive member; effecting angular positioning of the electric parts taken up by said taking up head means through rotation of said taking up head means by said drive member; and mounting said electric parts on said parts support.
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Specification