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US5040291A
Expired / Lapsed
US
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Multi-spindle pick and place method and apparatus
Assignee: UI Holding Co
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Filing: 1990-05-04
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Granted: 1991-08-20
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Expires: 2010-05-04
Abstract
Abstract A multi-spindle pick and place head is moveable in X and Y in order to pick up a group of components simultaneously, one component per spindle, at a pick station and to transport them to a placement station at which the components are placed simultaneously on corresponding placement sites of a printed circuit board. Each spindle or the whole head is moveable in Z, as required. Each component may be "SCOT" processed (e.g., squared, centered, oriented and/or tested) while on the spindle and during transport to the placement site. In another embodiment, two multi-spindle heads may operate in parallel, along with a separate "SCOT" station intermediate of the pick and place stations, such that one head transports a group of components from the pick station to the "SCOT" station for processing and the other head transports at least part of that group of processed components from the "SCOT" station to the placement station. In both of these embodiments, each spindle may be further translatable in X and Y, relative to the head of the multi-spindle head, in order to compensate for discrepancies between "nominal" and "actual" patterns of pick and/or placement sites. Vision systems common to the industry may be located at the pick station, place station, "SCOT" station, and/or on the moveable head, as required.
Inventors
- 👤 Stanley W. Janisiewicz
- 👤 John A. Kukowski
- 👤 Michael D. Snyder
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 15:18
CPC Classifications
H; H05; H05K; H05K13/00; H05K13/04; H05K13/0478; H05K13/0482; B; B23; B23P; B23P19/00; B23P19/001; B23P19/007; B23P19/04; H05K13/0404; H05K13/0408; H05K13/0409; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49117; Y10T29/49124; Y10T29/4913; Y10T29/49144; Y10T29/53; Y10T29/5313; Y10T29/53174; Y10T29/53178; Y10T29/53261
Claims Analysis
Total Claims: 20
Claim 1
Independent Claim
131 words
In a method of picking and placing a group of components via a multi-spindle head, the improvement comprising the steps of: forming a group of presequenced components at a selection station by selecting various components from a supply and arranging said components which are selected into a group of components having a particular sequence, with said selecting and arranging being performed according to a programmable controller by which said sequence is changeable for each said group; delivering each said group of presequenced components, in turn, from said sequencing station to a pick-up station; obtaining each said group of presequenced components as a group from said pick-up station by said multi-spindle head; and transferring said multi-spindle head with said group of presequenced components to, and placing said group at, a placement station.
Claim 2
Dependent Claim
131 words
In a method of picking and placing a group of components via a multi-spindle head, the improvement comprising the steps of: forming a group of presequenced components at a selection station by selecting various components from a supply and arranging said components which are selected into a group of components having a particular sequence, with said selecting and arranging being performed according to a programmable controller by which said sequence is changeable for each said group; delivering each said group of presequenced components, in turn, from said sequencing station to a pick-up station; obtaining each said group of presequenced components as a group from said pick-up station by said multi-spindle head; and transferring said multi-spindle head with said group of presequenced components to, and placing said group at, a placement station.
Claim 3
Dependent Claim
20 words
The improvement as in claim 1, and further comprising the step of: SCOT processing said group of components generally simultaneously.
Claim 4
Dependent Claim
26 words
The improvement as in claim 2, and further comprising the step of: performing said processing at a station situated intermediately of said pick-up and placement stations.
Claim 5
Dependent Claim
29 words
The improvement as in claim 2, and further comprising the step of: performing said processing simultaneously with transferring said components by said spindles between said pick-up and placement stations.
Claim 6
Dependent Claim
87 words
The improvement as in claim 1, and further comprising the steps of: moving said head back and forth between said pick-up station and a SCOT processing station in order to deliver each group of components simultaneously from said pick-up station to said SCOT station; and providing another multi-spindle head and moving said other head back and forth between said processing station and said placement station in order to deliver at least a portion of each group of components simultaneously from said processing station to said placement station.
Claim 7
Dependent Claim
76 words
The improvement as in claim 1, and further comprising the steps of: providing means for translating at least a tip of at least one spindle of said multi-spindle head relative to said head; and performing said translating in order to compensate for discrepancies between actual and nominal sites of said pick-up and placement stations by rearranging a pattern of spindle tips to coincide with an actual pattern of sites of at least one of said stations.
Claim 8
Dependent Claim
130 words
In a method of picking and placing components, the improvement comprising the steps of: picking up a group of components simultaneously at a pick station having plural pick sites, each component of said group being picked up from an individual site of said pick station by a corresponding spindle of a multi-spindle head; transferring said head from said pick station to a placement station having plural placement sites; placing said group of components simultaneously at said placement station, with each component placed at a corresponding site of said placement station; and compensating for misalignment between actual and nominal patterns of said sites by moving at least a tip of at least one spindle of said multi-spindle head in order to align said spindles with corresponding sites of said actual pattern.
Claim 9
Dependent Claim
130 words
In a method of picking and placing components, the improvement comprising the steps of: picking up a group of components simultaneously at a pick station having plural pick sites, each component of said group being picked up from an individual site of said pick station by a corresponding spindle of a multi-spindle head; transferring said head from said pick station to a placement station having plural placement sites; placing said group of components simultaneously at said placement station, with each component placed at a corresponding site of said placement station; and compensating for misalignment between actual and nominal patterns of said sites by moving at least a tip of at least one spindle of said multi-spindle head in order to align said spindles with corresponding sites of said actual pattern.
Claim 10
Dependent Claim
58 words
The improvement as in claim 7, and further comprising the step of: comparing a conductor pattern of each component to a pad pattern of each corresponding placement site and compensating for misalignments between each said conductor pattern and pad pattern by moving in X, Y, and Θ each said component which is misaligned, in preparation for said placing.
Claim 11
Dependent Claim
157 words
In an apparatus for picking and placing a group of components via a multi-spindle head, the improvement comprising: means for forming a group of presequenced components at a sequencing station, said forming means comprising means for selecting various components from a supply and means for arranging said components which are selected into a group of components having a particular sequence, with said selecting and arranging being performed according to a programmable controller by which said sequence is changeable for each said group; means, operatively associated with said forming means, for delivering each said group of presequenced components, in turn, from said sequencing station to a pick-up station; and means, operatively associated with said delivering means, for obtaining each said group of presequenced components as a group from said delivering means at said pick-up station via said multi-spindle head and transferring said group of presequenced components as a group to, and placing said group at, a placement station.
Claim 12
Dependent Claim
157 words
In an apparatus for picking and placing a group of components via a multi-spindle head, the improvement comprising: means for forming a group of presequenced components at a sequencing station, said forming means comprising means for selecting various components from a supply and means for arranging said components which are selected into a group of components having a particular sequence, with said selecting and arranging being performed according to a programmable controller by which said sequence is changeable for each said group; means, operatively associated with said forming means, for delivering each said group of presequenced components, in turn, from said sequencing station to a pick-up station; and means, operatively associated with said delivering means, for obtaining each said group of presequenced components as a group from said delivering means at said pick-up station via said multi-spindle head and transferring said group of presequenced components as a group to, and placing said group at, a placement station.
Claim 13
Dependent Claim
25 words
The improvement as in claim 9, and further comprising: means, operatively associated with said obtaining means, for SCOT processing said group of components generally simultaneously.
Claim 14
Dependent Claim
25 words
The improvement as in claim 10, and further comprising: an intermediate processing means, situated intermediate of said pick-up and placement stations, for performing said processing.
Claim 15
Dependent Claim
34 words
The improvement as in claim 10, and further comprising: means, operatively associated with said multi-spindle head, for performing said processing while transferring said components by said multi-spindle head between said pick-up and placement stations.
Claim 16
Dependent Claim
99 words
The improvement as in claim 9, and further comprising: means, operatively associated with said obtaining means, for moving said head back and forth between said pick-up station and a SCOT processing station in order to deliver each group of components simultaneously from said pick-up station to said SCOT station; and another multi-spindle head and means, operatively associated with said obtaining means, for moving said other head back and forth between said processing station and said placement station in order to deliver at least a portion of each group of components simultaneously from said processing station to said placement station.
Claim 17
Dependent Claim
92 words
The improvement as in claim 9, and further comprising: means, operatively associated with said programmable controller, for translating at least a tip of at least one spindle of said multi-spindle head relative to said head; means, operatively associated with said programmable controller, for detecting discrepancies between actual and nominal sites of said pick-up and placement stations; and means, operatively associated with said programmable controller, for compensating for said discrepancies by rearranging a pattern of said spindle tips to coincide with an actual pattern of sites of at least one of said stations.
Claim 18
Dependent Claim
162 words
In an apparatus for picking and placing components, the improvement comprising: means for picking up a group of components simultaneously at a pick station having plural pick sites, each component of said group being picked up from an individual site of said pick station by a corresponding spindle of a multi-spindle head; means, operatively associated with said picking up means, for transferring said head from said pick station to a placement station having plural placement sites; means, operatively associated with said transfer means, for placing said group of components simultaneously at said placement station, with each component placed at a corresponding site of said placement station; and means, operatively associated with said placing means, for compensating for misalignment between actual and nominal patterns of said pick station sites and of said placement station sites by moving at least a tip of at least one spindle of said multi-spindle head in order to align said spindles with corresponding sites of said actual pattern.
Claim 19
Dependent Claim
162 words
In an apparatus for picking and placing components, the improvement comprising: means for picking up a group of components simultaneously at a pick station having plural pick sites, each component of said group being picked up from an individual site of said pick station by a corresponding spindle of a multi-spindle head; means, operatively associated with said picking up means, for transferring said head from said pick station to a placement station having plural placement sites; means, operatively associated with said transfer means, for placing said group of components simultaneously at said placement station, with each component placed at a corresponding site of said placement station; and means, operatively associated with said placing means, for compensating for misalignment between actual and nominal patterns of said pick station sites and of said placement station sites by moving at least a tip of at least one spindle of said multi-spindle head in order to align said spindles with corresponding sites of said actual pattern.
Claim 20
Dependent Claim
63 words
The improvement as in claim 15, and further comprising: means, operatively associated with said compensating means, for comparing a conductor pattern of each component to a pad pattern of each corresponding placement site and compensating for misalignments between each said conductor pattern and pad pattern by moving in X, Y and Θ each said component which is misaligned, in preparation for said placing.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1994-08-19 | 1995-02-18 | 1995-08-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1998-08-19 | 1999-02-18 | 1999-08-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2002-08-19 | 2003-02-18 | 2003-08-20 | $7700.00 | Window Closed / Lapsed |