Parts insertion machine
First Claim
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1. A printed wiring board feeding apparatus for sequentially feeding printed wiring boards to a predetermined position, comprising:
- (a) a sensor for detecting information on each of the printed wiring boards;
(b) feeding stroke determining means for separately determining a feeding stroke for each of said printed wiring boards based upon the information detected by said sensor; and
(c) a feeding unit for feeding each of said printed wiring boards to said predetermined position based upon the feeding stroke determined by said feeding stroke determining means, said sensor being mounted to said feeding unit for movement therewith.
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Abstract
An apparatus and method for feeding a printed wiring board automatically sets a feeding stroke with respect to different types of printed wiring boards and sequentially feeds the boards. In the apparatus for sequentially feeding a printed wiring board to a predetermined position, a sensor is provided for detecting information on the printed wiring board including the size, shape, color, and type of the printed wiring board, whereby a feeding stroke with respect to each of the printed wiring boards is set based upon the information.
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Citations
11 Claims
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1. A printed wiring board feeding apparatus for sequentially feeding printed wiring boards to a predetermined position, comprising:
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(a) a sensor for detecting information on each of the printed wiring boards; (b) feeding stroke determining means for separately determining a feeding stroke for each of said printed wiring boards based upon the information detected by said sensor; and (c) a feeding unit for feeding each of said printed wiring boards to said predetermined position based upon the feeding stroke determined by said feeding stroke determining means, said sensor being mounted to said feeding unit for movement therewith. - View Dependent Claims (2, 3, 4, 5)
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6. A method for sequentially feeding printed wiring boards of different sizes to a predetermined position, comprising the steps of:
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(a) detecting a position of a printed wiring board before the printed wiring board is fed to said predetermined position; (b) detecting a size of the printed wiring board in a feeding direction; (c) setting a position of the printed wiring board after the printed wiring board has been fed to said predetermined position; and (d) setting a feeding stroke of the printed wiring board based upon the detected and set positions of the printed wiring board before and after the printed wiring board has been fed to said predetermined position respectively, and based upon the detected length of the printed wiring board in the feeding direction. - View Dependent Claims (7, 8)
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9. A method for sequentially feeding non-identical printed wiring boards to a position for processing, comprising the steps of:
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(a) providing a feeding unit having a sensor mounted thereon; (b) moving said feeding unit along with said sensor over the printed wiring board in a first direction opposite a feeding direction of the printed wiring board; (c) detecting information of the printed wiring board with said sensor as said feeding unit and said sensor are moved in said first direction; (d) engaging said printed wiring board with said feeding unit; (e) moving said feeding unit along with said printed wiring board in a second direction opposite said first direction to position said printed wiring board in a position for processing according the information detected by said sensor. - View Dependent Claims (10, 11)
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Specification