GB2074967A - Improvements in or relating to apparatus for loading parts into bodies - Google Patents
Improvements in or relating to apparatus for loading parts into bodies Download PDFInfo
- Publication number
- GB2074967A GB2074967A GB8111903A GB8111903A GB2074967A GB 2074967 A GB2074967 A GB 2074967A GB 8111903 A GB8111903 A GB 8111903A GB 8111903 A GB8111903 A GB 8111903A GB 2074967 A GB2074967 A GB 2074967A
- Authority
- GB
- United Kingdom
- Prior art keywords
- strip
- parts
- transporting
- transporting strip
- loading
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
- H01R43/20—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for assembling or disassembling contact members with insulating base, case or sleeve
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K13/00—Apparatus or processes specially adapted for manufacturing or adjusting assemblages of electric components
- H05K13/04—Mounting of components, e.g. of leadless components
- H05K13/0478—Simultaneously mounting of different components
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Advancing Webs (AREA)
Abstract
A predetermined number of contacts 32 are loaded into a connector body 40 automatically by feeding a predetermined number of contacts on to an indexable strip 10, the contacts being held on the strip by sticky tape 20 which is engaged by the contacts through slots (16, Figure 2) formed in the strip. The strip transports the contacts to a connector loading station 36 where the predetermined number of contacts are simultaneously loaded into a pre- positioned connector body. The feed rate of the contacts, the index rate of the strip and the connector body positioning mechanism are all controlled by a micro-processor. <IMAGE>
Description
SPECIFICATION
Improvements in or relating to apparatus for loading parts into bodies
This invention relates to apparatus for loading parts into bodies and more particularly to apparatus for loading a predetermined number of parts into a body when there is a requirement that all or some of the bodies have different numbers of parts loaded therein.
By way of example, edge connectors for printed circuit boards usually comprise a plastics body with a plurality of elongate contact strips mounted in the body. The body normally straddles the edge of the P.C.B. and the ends of the contact strips make with conducting portions formed in the edge of the P.C.B. Different P.C.B.'s have different numbers of conducting portions and thus the edge connectors require different numbers of contact strips. The other ends of the contact strips are adapted to be connected to other circuitry such as by wire wrapping or soldering, and sometimes these ends vary in length for reasons of space, ease of connecting to the other circuitry etc.
It is an object of the present invention therefore to provide apparatus which will automatically load parts such as contact strips into a body and which will cater for loading different numbers and types of parts in a single type of body.
According to an aspect of the present invention apparatus for loading parts into bodies comprises an indexable transporting strip having retaining means for retaining the parts thereon, supply means for supplying parts to the retaining means, the rate of supply being variable whereby the parts are arranged in a predetermined spaced relationship on the transporting strip and loading means for moving the parts from the transporting strip into bodies located adjacent to the - transporting strip, the bodies being movable and the transporting strip being synchronously indexable whereby a predetermined number of parts are simultaneously loaded into one of the bodies between each index of the transporting strip.
Further aspects of the invention will become apparent from the following description -of an embodiment of the invention given by way of example only with reference to the accompanying drawings in which,
Figure 1 is a schematic arrangement of apparatus for loading electrical contact strips into plastic mouldings in accordance with the invention and
Figure 2 is a view of the apparatus as seen from arrow 2 in Figure 1.
The apparatus comprises a transporting band 10 made up of a closed loop of metal strip which is indexable between rollers 12 and 14. The transporting band has several free loops along its upper run, the purposes of which will be described later. The band is provided along its length with a plurality of equally spaced slots 16 cut out along one edge and is also provided with holes 18 corresponding with the slot 16 for indexing the band.
As the band 10 moves, a strip of adhesive tape 20 is applied to the underside of the band over the slots 16 with its adhesive side uppermost from a reel 22. The adhesive tape 20 is removed from the band by a stripping arm 24 located immediately before the roller 14 and the tape is collected on a second reel 26. The band 10 is indexed at the start of its upper run at a rate of one slot at a time.
Fed from a drum 28 is a continuous strip 30 of contact material, such as a gold plated copperberyllium alloy, formed into the shape of a plurality of connected elongate contacts.
The partially formed contacts 32 are spaced apart with the same spacing as the slots 16 and the strip 30 is indexed at the same rate as the transporting ban 10 so that each partially formed contact 32 joins the band 10 over a slot 16. The band 10 and the strip 30 then pass into a form and crop tool 34 in which each contact is cropped from the continuous strip 30 and simultaneously formed to its finished shape and pressed down on to the band 10 so that it adheres to the adhesive tape 20.
The contacts are then transported on the band 10 to an assembly station 36 where a magazine 38 containing plastics mouldings 40 is located.
Each moulding is intended for use as an edge connector for a printed circuit board and the finished connector must therefore be fitted with a predetermined number of contacts depending upon the size of the moulding, the printed circuit board it is to be used with and/or the circuitry to be connected to the board. At the assembly station 36 the adhesive tap 20 is stripped off by stripping arm 24 and the required number of contacts are simultaneously loaded into a moulding 40 by a suitable pushing device (not shown). The moulding is then moved to another position where the contacts are pressed home in the body and are retained therein before the completed connectors are delivered to trays 42.
For loading the contacts into the mouldings the movement of a moulding into the loading position must be accurately synchronized with the arrival of the correct number of contacts and the pushing device must operate between indexing of the band 10 and movement of the moulding so that contacts are not left on the band 10 and subsequently wasted. For supplying different numbers of contacts to a moulding the supply of the strip contact material 30 from the drum 28 can be stopped, for example for one indexing of the band 10 after the fifth strip as shown in Figure 2 where one of the slots 1 6a has not been supplied with a contact. The strip may in this case also be stopped after the contact 32a for one indexing of the band 10 so that rows of 5 contacts separated by one gap are supplied along the transporting band 10.This arrangement could be used for inserting only five contacts into a moulding intended to have six contacts, the contacts being pushed into the moulding after every six indexing movements of the band 10.
The apparatus may also be used for loading mouldings which have more than one row of contacts, in which case the moulding 40 has to remain at the loading position whilst all the rows are loaded, the moulding being moved up or down after a row has been loaded to align the moulding for the reception of the next set of contacts.
If non-standard numbers of contacts are being loaded into a moulding it may be necessary for maximum efficiency to vary the rate of indexing of the transporting band 10 at the loading end relative to the indexing rate at the contact application end. For this purpose a number of
loops 44 are arranged in the transporting band 10 whereby the two indexing rates can be varied within limits, the loops growing larger and smaller as the indexing rates change.
In some cases different length contacts are required in different rows of a connector and this is achieved using additional drums 46 and 48 which provide further strips 50 and 52 which carry different lengths of contact. Additional forming and cropping tools 54 and 56 are provided so that
by stopping two of the strips and actuating the third strip any one of three lengths of contact can
be supplied on to the transporting band 10.
To actuate the movement of one of the strips
30, 50 and 52 in synchronism with the movement
of the band 10 and to synchronize the loading
mechanism with the movement of the mouldings
40 and the band 10, a microprocessor (not
shown) is used. This can be programmed so that
particular numbers and sizes of contact are loaded
into the mouldings by the apparatus automatically.
Instead of the continuous metal strip 10, a disposable strip of paper can be used having similar slots and holes to the slots 16 and holes
18. In this case both the paper strip and adhesive
strip would be removed after the assembly
operation and disposed of.
Claims (20)
1. Apparatus for loading parts into bodies comprising an indexable transporting strip having retaining means for retaining the parts thereon, supply means for supplying parts to the retaining means, the rate of supply being variable whereby the parts are arranged in a predetermined spaced relationship on the transporting strip and loading means for moving the parts from the transporting strip into bodies located adjacent to the transporting strip, the bodies being movable and transporting strip being synchronously indexable whereby a predetermined number of parts are simultaneously loaded into one of the bodies between each index of the transporting strip.
2. Apparatus as claimed in claim 1 in which the transporting strip comprises steel tape.
3. Apparatus as claimed in claim 1 in which the transporting strip comprises paper tape.
4. Apparatus as claimed in claim 2 in which the transporting strip is endless.
5. Apparatus as claimed in claim 3 in which the transporting strip is destroyed after use.
6. Apparatus as claimed in any preceding claim in which the transporting strip is provided with a plurality of spaced slots.
7. Apparatus as claimed in claim 6 in which the transporting strip is indexable one slot at a time.
8. Apparatus as claimed in any preceding claim in which the retaining means comprises an adhesive tape which is fed into contact with the transporting strip.
9. Apparatus as claimed in any of claims 6 to 8 which the adhesive tape has an adhesive side exposed through the spaced slots.
10. Apparatus as claimed in claim 8 or 9 in which the adhesive tape is stripped off the transporting strip after use.
11. Apparatus as claimed in any preceding claim in which the supply means comprises a continuous strip of connected parts.
12. Apparatus as claimed in claim 11 in which the strip of connected parts is indexable at the same rate as the transporting strip.
13. Apparatus as claimed in claim 11 in which the strip of connected parts is intermittently indexable at the same rate as the transporting strip.
14. Apparatus as claimed in any of claims 11 to 13 in which the parts are aligned with the slots in the transporting strip, brought into contact with the adhesive tape and separated from each other.
15. Apparatus as claimed in any preceding claim in which the supply means comprises a plurality of strips of connected parts, one strip of connected parts being fed to the transporting strip at a time.
16. Apparatus as claimed in any preceding claim in which the loading means comprises a pushing device adapted to push a plurality of parts at a time from the transporting strip into an adjacent body.
17. Apparatus as claimed in claim 16 in which the pushing device operates between indexing of the transporting strip and movement of each body.
18. Apparatus as claimed in any preceding claim in which each body is moved after loading to a position in which parts are further pressed into the body.
19. Apparatus as claimed in any preceding claim in which the transporting strip has at least one loop to permit different rates of indexing of the transporting strip at the supply means position and at the loading means position.
20. Apparatus for loading parts into bodies constructed and adapted to operate substantially as hereinbefore described with reference to the accompanying drawings.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB8111903A GB2074967B (en) | 1980-05-03 | 1981-04-15 | Apparatus for loading parts into bodies |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB8014943 | 1980-05-03 | ||
GB8111903A GB2074967B (en) | 1980-05-03 | 1981-04-15 | Apparatus for loading parts into bodies |
Publications (2)
Publication Number | Publication Date |
---|---|
GB2074967A true GB2074967A (en) | 1981-11-11 |
GB2074967B GB2074967B (en) | 1984-09-05 |
Family
ID=26275421
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB8111903A Expired GB2074967B (en) | 1980-05-03 | 1981-04-15 | Apparatus for loading parts into bodies |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB2074967B (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2133371A (en) * | 1982-11-24 | 1984-07-25 | Tdk Corp | Method of and apparatus for supplying and transferring electronic components |
EP0223348A1 (en) * | 1985-10-31 | 1987-05-27 | Molex Incorporated | Connector fabrication apparatus and method |
EP0476274A2 (en) * | 1990-09-14 | 1992-03-25 | Siemens-Albis Aktiengesellschaft | Receiving device of objects and application of the device |
EP0521352A1 (en) * | 1991-07-01 | 1993-01-07 | Siemens-Albis Aktiengesellschaft | Process and device for transferring elements |
-
1981
- 1981-04-15 GB GB8111903A patent/GB2074967B/en not_active Expired
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2133371A (en) * | 1982-11-24 | 1984-07-25 | Tdk Corp | Method of and apparatus for supplying and transferring electronic components |
EP0223348A1 (en) * | 1985-10-31 | 1987-05-27 | Molex Incorporated | Connector fabrication apparatus and method |
EP0476274A2 (en) * | 1990-09-14 | 1992-03-25 | Siemens-Albis Aktiengesellschaft | Receiving device of objects and application of the device |
EP0476274A3 (en) * | 1990-09-14 | 1993-02-10 | Siemens-Albis Aktiengesellschaft | Receiving device of objects and application of the device |
EP0521352A1 (en) * | 1991-07-01 | 1993-01-07 | Siemens-Albis Aktiengesellschaft | Process and device for transferring elements |
CH683959A5 (en) * | 1991-07-01 | 1994-06-15 | Siemens Ag Albis | Method and apparatus for transferring items. |
Also Published As
Publication number | Publication date |
---|---|
GB2074967B (en) | 1984-09-05 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
732 | Registration of transactions, instruments or events in the register (sect. 32/1977) | ||
PCNP | Patent ceased through non-payment of renewal fee |