Source: http://www.google.com/patents/US6629007?dq=7,007,239
Timestamp: 2014-07-25 09:40:35
Document Index: 247059814

Matched Legal Cases: ['art 114', 'art 115', 'art 113', 'art 621', 'art 112', 'art 621']

Patent US6629007 - Apparatus and method for notifying lack of component in advance, component ... - Google PatentsSearch Images Maps Play YouTube News Gmail Drive More »Sign in<nobr>Advanced Patent Search</nobr>PatentsA component-lack advance notice method, a component-lack advance notice apparatus, and a component mounting apparatus including the component-lack advance notice apparatus, wherein a producible count determination part and advance notice parts are provided, so that an advance notice time from an advance...http://www.google.com/patents/US6629007?utm_source=gb-gplus-sharePatent US6629007 - Apparatus and method for notifying lack of component in advance, component mounting apparatus, and article of manufacture comprising computer usable mediumAdvanced Patent SearchPublication numberUS6629007 B1Publication typeGrantApplication numberUS 09/468,306Publication dateSep 30, 2003Filing dateDec 21, 1999Priority dateDec 25, 1998Fee statusPaidAlso published asDE69915790D1, EP1024420A1, EP1024420B1Publication number09468306, 468306, US 6629007 B1, US 6629007B1, US-B1-6629007, US6629007 B1, US6629007B1InventorsYoshiyuki Hattori, Satoshi Nonaka, Takeshi KuribayashiOriginal AssigneeMatsushita Electric Industrial Co., Ltd.Export CitationBiBTeX, EndNote, RefManPatent Citations (13), Referenced by (3), Classifications (6), Legal Events (4) External Links: USPTO, USPTO Assignment, EspacenetApparatus and method for notifying lack of component in advance, component mounting apparatus, and article of manufacture comprising computer usable mediumUS 6629007 B1Abstract A component-lack advance notice method, a component-lack advance notice apparatus, and a component mounting apparatus including the component-lack advance notice apparatus, wherein a producible count determination part and advance notice parts are provided, so that an advance notice time from an advance notice of a lack of components to an actual occurrence of a lack of components is set beforehand. The producible count determination part obtains each advance notice remaining count of components to be supplied within the advance notice time from each component feed part on the basis of the advance notice time, and notifies a lack of components in advance on the basis of the advance notice remaining count.
BACKGROUND OF THE INVENTION The present invention relates to a method for notifying in advance the lack of a component at a component feed device which is set in a component mounting apparatus for mounting, e.g., electronic components onto a circuit board and feeds the electronic components, an apparatus for notifying in advance lack of component and carrying out the method for notifying in advance the lack of a component, a component mounting apparatus including the apparatus for notifying in advance the lack of a component or carrying out the method, and an article of manufacture comprising a computer usable medium for the apparatus for notifying in advance the lack of a component.
FIG. 12 shows a structure of data regulating types of electronic components stored in the parts cassettes 13 a arranged on the feed table 14. The data structure is called as an array program. 40 in FIG. 12 indicates an entire structure of the array program, and �Z numbers� in the array program 40 correspond to the Z numbers 33 in the NC program 30. 42 is a component name of the electronic component stored in each parts cassette 13 a with the Z number, which consists of a character string defining a type of the component uniquely.
FIG. 14 is an example of a screen display pattern for use in inputting a count of remaining components and an advance notice count of remaining components for each Z number 33 in the array program 40 in the component feed device 13 placed on the feed table 14. �Z numbers� in FIG. 14 correspond to the Z numbers 33 in the array program 40. 45 is the count of remaining components in each parts cassette 13 a corresponding to each Z number 33 which is input by a worker before a start of production. 46 is the advance notice count of remaining components. When the count of components actually remaining in each parts cassette 13 a with the Z number 33 becomes smaller than the input advance notice count of remaining components, the fact is informed to the worker.
SUMMARY OF THE INVENTION The present invention is devised to solve the aforementioned problems and has for its object to provide a method and an apparatus for notifying a component-lack in advance whereby a worker's burden when replacing components and switching production types of objects to be mounted is lightened and efficiency for the work is enhanced in comparison with the related art, a component mounting apparatus including the apparatus for notifying lack of component in a advance, and an article of manufacture comprising a computer usable medium for the apparatus for notifying in advance the lack of a component.
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An apparatus for notifying a lack of components in advance, a method for notifying a lack of components in advance, and a component mounting apparatus of examples embodying the present invention will be described below with reference to the drawings. The component-lack advance notice method is carried out by the component-lack advance notice apparatus, and the component mounting apparatus includes the component-lack advance notice apparatus or executes the component-lack advance notice method.
In the embodiments, an electronic component is discussed as an example of the �component� described in the foregoing �SUMMARY OF THE INVENTION�, and similarly, a circuit board where the electronic component is mounted and a parts cassette are examples, respectively, of the �object to be mounted� and the �component feed part�. However, the concept of the present invention is not limited specifically to the examples. The �advance notice parts� described in the �SUMMARY OF THE INVENTION� correspond to an advance notice judgment part 114 and a notification part 115 in the embodiments.
FIRST EMBODIMENT According to a first embodiment, a component-lack advance notice apparatus which notifies a lack of components in advance is set in a component mounting apparatus 201 shown in FIG. 6. The component mounting apparatus 201 corresponds to the related component mounting apparatus 1 depicted with reference to FIG. 10. Similar to the component mounting apparatus 1, the component mounting apparatus 201 comprises roughly an orthogonal table 212, a component feed device 213, a feed table 214, a component hold device 215, a circuit board transfer device 218, and a control device 220. Except the control device 220, each of parts constituting the component mounting apparatus 201 is adapted to function and operate substantially in the same way as each of corresponding parts of the component mounting apparatus 1, and therefore each part of the component mounting apparatus 201 will be described briefly below.
For instance, for the parts cassette 213 a with the Z number �1�, the producible count 405 is calculated to be �5� by dividing the advance notice time 401 of 5 minutes (300 seconds) by the estimated production time 402 of �60 seconds�. At this time, the count 404 of components to be supplied from the parts cassette 213 a with the Z number �1� is �5�, and consequently the advance notice count 406 is calculated to be �25� by multiplying the count of components to be supplied, i.e., �5� by the producible count of �5�. Values for the parts cassette 213 a of each Z number are calculated in the same manner.
SECOND EMBODIMENT While the count 404 of components to be supplied is obtained at the component feed count operation part 113 in the above-described component-lack advance notice apparatus 101, the count 404 can be input by the worker from the input device 211 according to a component-lack advance notice apparatus 601 in the constitution as shown in FIG. 7.
THIRD EMBODIMENT The component-lack advance notice apparatus 101 necessitates the worker to input the estimated production time 402 per one sheet of the circuit board beforehand. To solve this, an effective time determination part 621 may be added as in a component-lack advance notice apparatus 611 of FIG. 9, thereby measuring a production time per the one circuit board and automatically sending an appropriate value to the producible count determination part 112. The operation of the effective time determination part 621 will be described in detail below.
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