US3800416A - Method and apparatus for assembly of contacts in a printed circuit board - Google Patents

Method and apparatus for assembly of contacts in a printed circuit board Download PDF

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Publication number
US3800416A
US3800416A US00255239A US3800416DA US3800416A US 3800416 A US3800416 A US 3800416A US 00255239 A US00255239 A US 00255239A US 3800416D A US3800416D A US 3800416DA US 3800416 A US3800416 A US 3800416A
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United States
Prior art keywords
contacts
board
apertures
vise
row
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.)
Expired - Lifetime
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US00255239A
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English (en)
Inventor
E Shultz
R Katzaman
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TE Connectivity Corp
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AMP Inc
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    • 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
    • H01R43/205—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 with a panel or printed circuit board
    • 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
    • H05K13/0447—Hand tools therefor
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49002—Electrical device making
    • Y10T29/49117—Conductor or circuit manufacturing
    • Y10T29/49124—On flat or curved insulated base, e.g., printed circuit, etc.
    • Y10T29/49147—Assembling terminal to base
    • Y10T29/49149—Assembling terminal to base by metal fusion bonding
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/53—Means to assemble or disassemble
    • Y10T29/5313—Means to assemble electrical device
    • Y10T29/53174—Means to fasten electrical component to wiring board, base, or substrate

Definitions

  • ABSTRACT The present invention relates to a method and apparatus for simultaneously assembling a plurality of elongated contacts within corresponding apertures provided in a printed circuit board.
  • an entire row of elongated contacts are initially manually inserted into corresponding rows of P.C. board apertures with the aid of a hand tool.
  • the printed circuit board is mounted on a carriage of an insertion machine.
  • the initially inserted row of contacts partially protrudes through the P.C. board and is received in Q jaws of a vise. In the operation of the insertion machine, the vise jaws close and grip the row of protruding contacts. sequentially, a limited and precisely adjusted relative motion is effected between the P.C.
  • a mechanism is provided which is actuated after opening of the jaws, thereby automatically removing the row of contacts from the jaws.
  • the purpose of this operation is to provide a substantial clearance between the P.C. board and the jaws, allowing the operator to reposition the P.C. board on the carriage without interfering with the vise jaws. With the P.C. board repositioned (desirably for insertion of another row of contacts) the operator may then reset the machine for a repeated cycle of operation.
  • the present invention relates to a method and apparatus for simultaneously assembling a plurality of elongated contacts within corresponding apertures provided in a printed circuit board. More particularly, the present invention relates to a method and apparatus for simultaneously inserting and positioning elongated contacts in desired registration within corresponding apertures of a printed circuit board; the contacts includingenlarged medial portions designed for an interference fit within corresponding P.C. board apertures, requiring a relatively large insertion force to forcibly seat a plurality of the enlarged contacts simultaneously within the P.C. board apertures.
  • the step-andrepeat technique required that the printed circuit board be repeatedly indexed in order to position selected apertures thereof suitably for receipt of machine-impelled contacts. If misalignment occurred during indexing, the impelled contacts would miss the P.C. board apertures, possibly causing damage to the contacts and the P.C. board, and requiring manual adjustment and resetting of the machine by an operator, which added further to the required assembly time.
  • an entire row of elongated contacts are initially manually inserted into corresponding rows of P.C. board apertures with the aid of a hand tool.
  • Such a procedure eliminates the possibility of misalignment during initial insertion of the contacts, which heretofore required resetting of an exemplary prior art insertion machine.
  • Insertion of an entire row of contacts simultaneously substantially eliminates the step-andrepeat indexing of the prior art machine required for inserting the equivalent number of contacts in a row.
  • the printed circuit board is mounted on a carriage of an insertion machine.
  • the initially inserted row of contacts partially protrudes through the P.C. board and is received in the jaws of a vise.
  • the vise jaws close and grip the row of protruding contacts.
  • a limited and precisely adjusted relative motion is effected between the PG. board carriage and the vise.
  • Such operation causes a corresponding limited and precisely controlled relative displacement between the inserted row of contacts and the P.C. board, thus forcibly positioning and seating the enlarged, interference fit portions of the contacts within corresponding apertures of the P.C. board. In this manner, all contacts of the row are precisely positioned simultaneously in desired registration within the printed circuit board.
  • a mechanism which is actuated after opening of the jaws, thereby automatically removing the row of contacts from the jaws. More specifically, the mechanism causes an additional displacement of the P.C. board carriage, which removes both the P.C. board and the inserted row of contacts from the vicinity of the vise jaws.
  • the purpose of this operation is to provide a substantial clearance between the P.C. board and the jaws, allowing the operator to reposition the P.C. board on the carriage without interfering with the vise jaws. With the P.C. board repositioned (desirably for insertion of another row of contacts) the operator may then reset the machine for a repeated cycle of operation.
  • Another object of the present invention is to provide a method and apparatus for simultaneously inserting and precisely positioning a plurality of elongated electrical contacts in desired registration within corresponding apertures of a printed circuit board.
  • Another object of the present invention is to provide a method and apparatus for simultaneously inserting and precisely positioning enlarged medial portions of a plurality of contacts in desired registration within corresponding apertures of a printed circuit board, with the enlarged medial portions being seated with an interference fit within the corresponding apertures of the P.C. board.
  • Another object of the present invention is to provide a method and apparatus especially suited for simultaneously inserting and positioning a plurality of elongated contacts in desired registration within corresponding apertures of a printed circuit board, whereby a relatively large insertion force is required to forcibly seat the contacts simultaneously within the P.C. board apertures.
  • FIG. 1 is a fragmentary exploded perspective of a printed circuit board, a row of elongated electrical contacts depending from a common carrier strip and a manually operated insertion tool for gripping and aligning the contacts for insertion into corresponding apertures provided in the P.C. board;
  • FIGS. 2, 3 and 4 are enlarged elevations in section illustrating in sequence the operation of a hand tool illustrated in FIG. 1;
  • FIG. 5 is a perspective of a preferred embodiment of a machine for simultaneously assembling a plurality of elongated contacts within corresponding apertures provided in a printed circuit board;
  • FIG. 6 is a fragmentary plan view of the preferred embodiment illustrated in FIG. 5, with parts partially broken away to illustrate the details thereof;
  • FIG. 7 is an enlarged fragmentary perspective of a vise of the preferred embodiment shown in FIG. 5, with parts illustrated in exploded configuration to illustrate the details thereof;
  • FIG. 8 is an enlarged fragmentary perspective of the preferred embodiment shown in FIG. 7, with the component parts in assembled configuration;
  • FIG. 9 is an enlarged fragmentary elevation in section illustrating the preferred embodiment shown in FIG. 8 incorporated into the preferred embodiment of the machine illustrated in FIG. 5, together with a printed circuit board and two rows of contacts in initial registration within corresponding apertures provided in the printed circuit board;
  • FIG. 10 is an enlarged fragmentary elevation in section illustrating selected component parts of the preferred embodiment of the machine illustrated in FIG.
  • FIG. 11 is an enlarged fragmentary elevation with parts partially broken away to illustrate component parts of the preferred embodiment of the machine illustrated in FIG. 5;
  • FIG. 12 is an enlarged fragmentary elevation in section further illustrating the component parts of a preferred embodiment of the vise illustrated in FIG. 9.
  • each of the holes 2 and 4 are lined with a conductive material such as copper or solder coated copper.
  • Exemplary conducting printed circuit paths 2' and 4' are electrically connected to the linings of the corresponding apertures 2 and 4.
  • Electrically conducting elongated contacts are received in the apertures 2 and 4 and are soldered in place to make electrical connecting with corresponding circuit paths 2' m4.
  • a plurality of exemplary contacts is illustrated generally at 6. The contacts are arranged in a continuous row and depend from a continuous carrier strip 8. The contacts are on center spacings corresponding to the center spacings of either the row of apertures 2 or the row of apertures 4.
  • the present invention relates to the assembly of exemplary contacts 6 within a corresponding row of apertures.
  • the carrier strip 8 is severed to separate a number of contacts 6 from the remainder of the carrier strip and provide a row of contacts of a number corresponding to the number of apertures 2. It is most advantageous to insert all of the selected contacts 6 simultaneously into the corresponding row of apertures 2. Ordinarily it is difficult to retain the selected contacts in desired rigid alignment during insertion into the row of apertures, thus making simultaneous insertion of the contacts a difficult operation.
  • a simple hand tool according to the present invention is illustrated generally at 10. With reference to FIGS.
  • the tool includes a pair of opposed elongated rectangular jaws l2 and 14 mounted for pivotal displacement toward and away from each other. More particularly, the tool is provided with a jamb type hinge 16 having a pivot 18 pivotally connecting together a pair of hinge leaves 20 and 22.
  • One elongated margin 24 of the jaw 12 is connected by threaded fasteners 26 to the hinge leaf 20 which extends entirely along the elongated dimension of the margin 24.
  • the jaw 14 has an elongated margin 28 connected by suitable threaded fasteners to the hinge leaf 22 which extends entirely along the elongated dimension of the margin 28. The jaws are thus mounted to the hinge for pivotal action about the axis of the hinge pin 18.
  • an elongated bearing block 30 extending along the entire longitudinal dimension of the jaw 14.
  • the bearing block 30 is secured by threaded fasteners, one of which is shown at 32 to the jaw 14 and includes an undercut relieved notch portion 34 extending entirely along the length of the bearing block 30 and defining an undercut planar bearing surface 36 also extending along the entire longitudinal dimension of the jaw 14.
  • the jaw 14 is further provided with a plurality of serrations or teeth 38 along the jaw edge margin 40 which is arcuately curved to extend the teeth 38 toward the opposed jaw 12.
  • the opposed jaw 12 is provided with an edge margin 42 which is arcuately curved generally toward the opposed jaw 14.
  • the serrations 38 are of sawtooth configuration having alternate protruding and recessed portions. The recessed portions are on center spacings corresponding to the center spacings of the row of apertures 2 provided in the P.C. board 1.
  • the jaws 12 and 14 are first manually pivoted to diverging positions as shown in FIG. 2.
  • the selected row of contacts 6 is then manually placed between the jaws.
  • the carrier strip 8 is disposed generally in the undercut relieved portion 34 of the bearing block 30 and in abutment against the bearing surface 36.
  • the contacts 6 will then register in adjacent recessed portions of the serrations 38.
  • the jaws are then manually pivoted toward each other so as to engage on opposed sides of the contacts 6 and clamp the contacts therebetween. Still with reference to FIG. 3, it is observed that the jaw edge margin 40 is offset from and overlies the jaw edge margin 42.
  • FIGS. 5-12 in order to describe generally an assembly machine according to the present invention for inserting and precisely positioning the contacts 6 in desired registration within the apertures of the P.C. board 1.
  • the machine is generally shown at 44 and includes a table 46 on which is mounted a rectangular,
  • a carriage is mounted on the enclosure 48 and includes a pair of bearing blocks 52 pivotally mounted on an elongated shaft 54.
  • the carriage 50 includes a pair of outboard mounted rods 56 and another pair of rods 58 on opposed sides of the enclosure 48. Bridging between the bars 56 and 58 are a pair of elongated rails 60 and 62.
  • the rail 60 is mounted on bearing blocks 64 which are freely slidably received over the rods 56 and 58, respectively, allowing for reciprocating adjustment of the rails 60 on the rods.
  • the rail 62 is mounted on each of its ends to blocks 66 and 68.
  • the block 66 is fixedly secured to the ends of the rods 56. As shown in FIG.
  • one rod 58 is provided thereover with a worm drive configuration 70 and is of reduced diameter with respect to the first rod 58.
  • the worm drive 70 is freely received through both the bearing block 68 and the rail 62 for connection through a gear train 72 to a manually driven hand wheel 74 rotatably mounted to the bearing block 68.
  • the rail 62 initially overlies and is freely received in registration against a support table 76 fixedly secured to the enclosure 48.
  • the rails 60 and 62 and the sliding bars 56 and 58 will be pivotally elevated with respect to the table support 76.
  • the mechanisms by which the carriage is pivotally elevated or displaced is illustrated partially in FIGS. 5 and 6. More particularly, the rails 56 are freely slidably received through a bearing block 78. In similar fashion, as shown in FIG. 11, the unthreaded slide bars 58 is received in a similar bearing block 78'. However, the worm drive 70 is threadably received through the bearing block 78.
  • the lifting mechanism partially shown at 80 is associated with the bearing block 78.
  • a similar lifting mechanism is associated with the bearing block 78'. Details of the lifting mechanisms will be explained in detail hereinafter by reference to FIG. 11.
  • a vise shown generally at 82 disposed between the rails 60 and 62.
  • the vise is fabricated with a pair of opposed jaws shown generally at 84 and 86.
  • the jaw 84 is fixedly secured to the table support 76.
  • the jaw 86 is mounted for forcible reciprocation by an enlarged plate 88 serving as a ram.
  • the ram 88 slidably reciprocates on a pair of laterally opposed rails 90.
  • a tongue and groove sliding joint is fabricated for slidably supporting the ram 88 on the side rails 90.
  • the side rails 90 are part 00f the enclosure sidewalls 48.
  • a portion of the ram periphery is defined by two tapered sidewalls 92.
  • a resilient coil return spring 94 is suitably secured at one end by a suitable fastener 96 to the enclosure sidewalls 48, and secured at the other end by a suitable fastener 98 to a corresponding tapered sidewall 92 of the ram 88.
  • the tapered sidewalls 92 of the ram converge toward an enlarged cylindrical piston rod which engages the tapered end of the ram 88.
  • the piston rod is part of a conventional force multiplying hydraulic cylinder I02 fixedly mounted in the back panel wall 97 bridging between the enclosure sidewalls 48.
  • the ram 98 is forcibly reciprocated by hydraulic fluid supplied to the hydraulic cylinder through an inlet manifold illustrated partially at 104.
  • the printed circuit board 1 is placed by an operator on the rails 60 and 62. As shown in FIGS.
  • the rails 60 and 62 horizontally support opposed margins of the PC. board 1.
  • the RC. board may be removably secured to the rails in any suitable manner by threaded fasteners, C-clamps or any other suitable clamping apparatus well known in the prior art.
  • the rail 60 being freely slidably adjustable over the rods 56 and 58, the rails 60 and 62 may be initially spaced apart to accommodate a wide variety of PC. board sizes.
  • the PC. board supported on the rails 60 and 62 will also be supported on the vise jaws 84 and 86.
  • the rails 60 and 62 are mounted on the bars 56 and 58, the rails will advance with the bars 56 and 58 to precisely position the rows of apertures 2 or 4 in desired position over the jaws 84 and 86.
  • the row or rows of contacts will then protrude from the PC. board and be received internally of the vise.
  • Hydraulic fluid will be supplied through the inlet hose 104 by a suitable electric pump (not shown) of any type well known in the prior art. The fluid will actuate the hydraulic cylinder I02 forcing the ram 88 to slidably displace and close the vise jaws 84 and 86 into positive gripping engagement on the row or rows of contacts introduced into the PC. board 1.
  • a mechanism is then actuated to impart a precisely controlled and limited pivotal displacement of the carriage 50 about the shaft 54.
  • This causes a corresponding precisely controlled and limited displacement between the PC. board and the row or rows of contacts gripped and maintained stationary by the vise jaws 84 and 86, thereby inserting and precisely positioning the contacts 6 in desired registration within corresponding apertures of the P.C. board 1.
  • the assembly machine is well suited for inserting and positioning any type of electrical contacts arranged in rows. It is particularly suited for inserting a row or rows of contacts of the type illustrated in the figures wherein each of the contacts includes an enlarged medial portion 99 which is designed for interference fit within a corresponding aperture 2 or 4.
  • the contact medial portion 99 may include a band of solder thereover as of the type described in US. patent application Ser. No. 193,366, filed Oct. 28, 1971, wherein the solder band makes the interference fit with a corresponding aperture 2 or 4.
  • the solder bands are then reflowed to retain the contacts in place by virtue of solder joints in accordance with the teachings of that application which are positively incorporated by reference herein.
  • the contact may be of the type which does not initially carry a band of solder but which is first inserted with an interference fit within a corresponding aperture 2 or 4, and then solder is supplied subsequently by a separate operation to establish a solder joint within the aperture.
  • solder is supplied subsequently by a separate operation to establish a solder joint within the aperture.
  • the carrier strips of each row may be removed, leaving the contacts in desired alignment and secured in the board.
  • the assembly machine 44 according to the present invention is thereby suitable for simultaneous insertion of a plurality of contacts requiring a relatively high insertion force due to the desired interference fit within the apertures.
  • the machine is also well suited for simultaneous precise positioning of contacts within the circuit board by imparting a precisely controlled and limited displacement between the P.C. board and inserted contacts in order to precisely position any desired medial portion of the contacts within the board.
  • the visejaws 84 and 86 are illustrated in exploded configuration in FIG. 7.
  • the jaws are of identical elongated rectangular plate configuration and are in opposing relationship.
  • Each of the jaw plates is provided with a relatively thick portion 106 extending horizontally along a peripheral edge margin.
  • the relatively thick portion is machined to provide a generally laterally extending channel 108 extending longitudinally through the relatively thick portion 106.
  • the bottom wall 110 of the channel is of the same thickness as a relatively thinner remainder 107 of the plate.
  • the relatively thick portion 106 defines the channel sidewalls and is machined with a series of spaced slots 112 extending laterally through the sidewalls of the channel 108.
  • Each of the slots 112 partially receives therein a vertically elongated rectangular bar 114 mounted against the bottom wall 110 of the channel portion and the face 107 of each jaw 84 or 86.
  • a first spacer plate 116 of T- shaped configuration with the opposed arms 118 of the T-configuration bridging between the jaws for registration within a groove 120 in the relatively thin portion 107 of each jaw 84 or 86.
  • a second spacer plate 122 of inverted T-shaped configuration with the opposed arms 124 of the T-configuration in registration respectively within a corresponding channel 108 of a jaw 84 or 86.
  • each arm 124 of the spacer 122 is captivated vertically between the sidewalls of the channel 108.
  • the stem 126 of the inverted T-shaped spacer plate 122 is disposed between the relatively thick portions 106 of the jaws when the jaws are assembled in adjacent opposed relationship, in a manner to be explained hereinafter.
  • the jaw 86 has associated therewith a plurality of stacked pressure plates 128 each having therethrough a central aperture 130.
  • Each of the plates 128 is further provided with a pair of spaced protruding bearing surfaces 132 adapted for engagement against the external face 134 of the jaw 86.
  • a plurality of spacer washers 136 are interposed between adjacent pressure plates 128, and a cylindrical connecting rod 140 is received through the apertures 130 of the stacked pressure plates 128 and through the washers 136.
  • channel shaped end blocks 142 are provided on each end of the stacked pressure plates 128 and washers 136, with the rod 140 being received in a central aperture 144 provided in the channel portion 146 of each end block 142.
  • a sub-assembly 147 of pressure plates is created from the stacked plates 128, the interposed washers 136 and the channel end blocks 142.
  • a similar sub-assembly 147 of pressure plates 128 is fabricated for attachment to the jaw 84.
  • Such a subassembly is shown more particularly in FIG. 7, assembled to the back of the jaw 84.
  • an elongated link bar 148 is received in the channel portion 146 of each end block 142 of the sub-assembly.
  • One end of the link 148 is apertured at 150 to receive an end of the connecting rod 140 therein.
  • the jaw 84 includes a lateral notch portion 152 slidably receiving a medial portion of the link bar 148 therein.
  • On either side of the notch portion 152 is a pair of dowels 154 projecting generally parallel to the longitudinal axis of the link bar 148.
  • the dowels receive thereover respective resilient coil springs 156.
  • each link bar 148 is partially received in the channel portion 146 of the corresponding end block 142.
  • the connecting rod 140 of the sub-assembly is received in a slot 158 of the link 148.
  • the rod 140 will slidably traverse in the slot 158 allowing the jaws 84 and 86 to be displaced slidably along the link 148 toward each other against the action of the coil springs 156.
  • Such displacement will compress the coil springs 156 storing therein spring energy utilized to slidably displace the jaws away from each other along the longitudinal axis of the link bars 148.
  • the bars 114 thereof remain freely slidably vertically between the jaws for a purpose to be described. 6
  • each of the pressure plates 128 includes a lateral, projecting flange portion 160 serving as a hangar flange for positioning and retaining the vise 82 between the table 176 and the ram 88. More particularly, the pressure plates 128 assembled to the jaw 84 are received against a planar end 161 of the table 176, with the hangar flanges 160 of the pressure plates 128 overlying the table 76 and vertically supporting the pressure plates 128.
  • each of the plates 128 includes a vertical planar bearing surface 162 against which the end 161 of the table 176 impinges.
  • the pressure plates 128 associated with the jaw 86 are vertically supported by the corresponding hangar flanges 160 to the vertically planar end 164 of the ram 88, each of the pressure plates 128 being provided with planar bearing surfaces 162 against which the planar end 164 impinges.
  • the jaw 84 being supported on the stationary table 76 and the jaw 86 being supported on the ram 88, reciprocation of the ram will slidably displace the jaws toward each other against the action of the coil springs 156 as described.
  • each contact will be received in a clearance space defined between a corresponding stem portion 126 of the inverted T-shaped spacer plate 122 and a respective jaw 2 or 4. Each contact will bottom against an arm 124 of the inverted T-shaped plate 122.
  • each contact 6 will engage the arms and be desirably horizontally aligned with respect to one another.
  • the bars 114 desirably maintain a selected spacing between contacts.
  • the rectangular bars 114 of the vise 82 vertically depend from the jaws 84 and 86.
  • Each of the bars 114 is I provided with a lateral notch portion 166 partially re- I ceived over an end wall 168 ofa channel bar 170 which horizontally bridges across and receives all of the rectangular bars 114 therein.
  • the channel 170 is secured by fasteners 172 to a relatively massive horizontal bar 174 suitably horizontally grooved at 176 to receive therein the other end wall 178 of the channel.
  • the massive bar 174 also is provided with a projecting horizontal portion 180 which overlies and clamps the depending portion of the rectangular bars 114 against the channel wall 168, thereby captivating the notched end portions of all the rectangular bars 114.
  • the relatively massive bar 174 is slidably captivated for vertical displacement within a vertical groove 182 provided in a pair of spaced corner posts 184 supporting the table 76.
  • each of the corner posts 184 supports a bearing block 186, which in turn rotatably supports a horizontal shaft 188.
  • the shaft 188 is keyed at 189 to each of a pair of relatively massive lever arms 190.
  • Each of the lever arms 190 is provided with a connecting rod 192 pivotally mounted at one end at 194 to the lever arm 190 at a location generally offset from the shaft 188.
  • Each connecting rod 192 is additionally pivotally connected at the other end at 196 to the relatively massive horizontal bar 174, thereby connecting the relatively massive horizontal bar 174 to both of the lever arms 190.
  • Each of the lever arms 190 is connected at one end by a common pin 198 to a lug 200 provided on the end of a vertically reciprocating piston rod 202 which forms a part of a force multiplying cylinder 204.
  • the cylinder 204 is of any type well known in the prior art and is suspended vertically by a pin connection 206 to each of a pair of vertically elongated hangar plates 208, one of which is shown in FIG. 10.
  • Each hangar plate 208 is provided with a yoke configuration at one end 210 which is secured by fasteners 212 to an elongated suspension bar 214 horizontally bridging across and connected to the opposed enclosure sidewalls 48.
  • the bar 214 includes an internally threaded bore 216 which receives a complementary threaded shaft 218 therein, the shaft being threadably adjusted with a protruding end 220 serving as a stop against which the lug 200 impinges, whereby vertical travel of the lug 200 is limited.
  • the lug 200 also is provided thereon with a limit switch generally shown at 222 having a lever action closure 224.
  • a suitable electric pump not shown
  • the piston 202 and the lug 200 will be forced by the force applying cylinder vertically upward toward the protruding stop 220.
  • the lever 224 will engage the stop 220 and be deflected thereby to activate the limit switch 222 which returns an electrical signal to the electric pump, according to a technique well known in the prior art, which signal shuts off the pump and extinguishes the supply of air to the cylinder 204.
  • the lug and piston will no longer be forcibly actuated for vertical travel.
  • residual air pressure in the cylinder 204 may continue to urge the piston for additional vertical travel, thus necessitating a correct positioning of the stop 220 in order to produce a precisely controlled and limited vertical travel of the lug 200 simultaneous with activation of the limit switch 222.
  • Such controlled and limited vertical travel of the lug is transmitted by counter-clockwise pivoting of the lever arm 190 about the shaft 188, through the connecting rods 192 and the horizontal bar 174, to all of the vertically depending bars 114 of the vise 82. As shown with reference to FIGS. 10 and 12, all of the rectangular bars 114 of the jaws 82 impinge against the bottom of the PC. board 1, horizontally supporting and lifting the portions of the PC. board which are between each of the contacts 6.
  • each lifting mechanism 80 includes a connecting rod 226 connected by a suitable threaded fastener 228 to the rotatable shaft 188 which also supports the relatively massive lever arms 190.
  • the lifting mechanism further includes another connecting link 230 in the form of a force multiplying air cylinder 230 which is pivotally connected at one end at 232 to the connecting link 226. At its other end, the air cylinder 230 is pivotally connected at 234 to a corresponding bearing block 78 or 78'. Although only one mechanism 80 is described, the other is of identical construction. In operation, the
  • the positively limited and precisely controlled displacement of the lug 200 by stopping it against the adjustably positioned threaded stop 220 precisely controls and selectively limits the amount of displacement of both the carriage 50 and of the rectangular bars 114 of the vise.
  • a precisely controlled and selectively limited relative displacement between the P.C. board and the contacts may be effected in order to insert and precisely position any selected medial portion of each of the contacts 6 within the corresponding apertures 2 or 4 of the P.C. board.
  • the described lifting mechanisms 80 are capable of applying considerable insertion force, which force may be required to positively insert and seat a plurality of contacts of various selected types is desired positions within the P.C. board.
  • the limit switch 222 may be utilized to shut off both the hydraulic pump supplying the hydraulic cylinder 102 and the air supply to the cylinder 204.
  • the hydraulic pressure will bleed from the force multiplying cylinders 102 and 204, causing the ram 88 to retract by the action of the coil springs 94, and further causing the return pivotal displacement of the carriage 50 to its initial position, as shown in FIG. on the support table 76.
  • an operator of the machine may desired to retain it in its lifted position in order to lift the inserted contacts from the vise jaws and index the P.C. board I to a new position by operation of the hand wheel 74 and worm drive 70.
  • the cylinder links 230 may be of the type for passive expansion so that an operator may lift and thus pivotally displace the carriage 50 in order to expand the cylinders and lift the inserted row or rows of contacts 6 from the now open jaws of the vise, allowing indexing of the P.C. board to a new location on the carriage 50.
  • the expansible links 230 may be in the form of positively actuated air cylinders each having an internal piston which is forcibly reciprocated by air pressure to sequentially lift the carriage 50 after shut-off of the hydraulic motors that supplied the force multiplying cylinders 102 and 204.
  • an electrical reset signal may be initiated by an operator of the machine in order to cause return pivotal displacement of the carriage 50 in preparation for recycling the machine to insert an additional row or rows of contacts in the P.C. board as described.
  • the reset signal may be in the form of a foot treadle switch or any other conventional switch.
  • a method of inserting contacts in a P.C. board provided with apertures comprising the steps of:
  • step of soldering said contacts in said apertures further includes the steps of:
  • a method of inserting contacts in a P.C. board pro vided with apertures comprising the steps of:
  • step of securing said contact fixedly in said corresponding apertures further includes the steps of:

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Electric Connection Of Electric Components To Printed Circuits (AREA)
  • Jigs For Machine Tools (AREA)
  • Manufacturing Of Electrical Connectors (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)
US00255239A 1972-05-19 1972-05-19 Method and apparatus for assembly of contacts in a printed circuit board Expired - Lifetime US3800416A (en)

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Application Number Priority Date Filing Date Title
US25523972A 1972-05-19 1972-05-19

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US (1) US3800416A (https=)
JP (1) JPS4941856A (https=)
AR (1) AR196529A1 (https=)
AU (1) AU5530273A (https=)
BE (1) BE799693A (https=)
BR (1) BR7303695D0 (https=)
CA (1) CA969676A (https=)
DE (1) DE2323668A1 (https=)
FR (1) FR2185872A1 (https=)
GB (1) GB1377911A (https=)
IT (1) IT992550B (https=)
NL (1) NL7306805A (https=)

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3946477A (en) * 1974-03-28 1976-03-30 Amp Incorporated Apparatus for aligning and inserting pins into holes of a substrate
US4089104A (en) * 1977-05-03 1978-05-16 Litton Systems, Inc. Method and apparatus for preassembling a printed circuit board connector
FR2390071A1 (https=) * 1977-05-03 1978-12-01 Litton Systems Inc
US4327484A (en) * 1977-09-29 1982-05-04 Fuji Mfg. Co., Ltd. Apparatus for inserting electronic components to a printed circuit board
US4378632A (en) * 1980-12-23 1983-04-05 Elfab Corporation Method of and apparatus for pull-fitting contacts
US4380118A (en) * 1981-08-13 1983-04-19 Amp Incorporated Terminal insertion tool
US4398628A (en) * 1980-09-30 1983-08-16 Western Electric Company, Inc. Methods of inserting pins into an apparatus and a pin supporting shuttle used therefor
US4418475A (en) * 1979-11-19 1983-12-06 Elfab Corporation Method of manufacturing a printed circuit card edge connector having a pull through bellows contact a lay-over insulator
US4515354A (en) * 1982-09-13 1985-05-07 At&T Technologies, Inc. Fixture for assembling pins into a shuttle
US4753601A (en) * 1983-10-14 1988-06-28 Amp Incorporated Circuit board thickness compensator
US4769905A (en) * 1987-05-15 1988-09-13 Amp Incorporated Apparatus and method for loading semiconductor chip carriers into sockets
JPWO2019064448A1 (ja) * 2017-09-28 2019-12-19 株式会社Ｆｕｊｉ 部品把持具
CN112809607A (zh) * 2021-02-01 2021-05-18 国网湖北省电力有限公司宜昌供电公司 电控柜pcb板元器件插装工具及使用方法

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1031138A (en) * 1974-03-28 1978-05-16 Amp Incorporated Terminal insertion apparatus
JPS5678085A (en) * 1980-12-01 1981-06-26 Yamaichi Electric Mfg Method of implanting male contactor for connector
JPS6022479B2 (ja) * 1980-12-01 1985-06-01 山一電機工業株式会社 雄コネクタにおける接触部と脚部とが直角をなす雄接触子の植込方法
DE102014107998B3 (de) * 2014-06-06 2015-09-10 Neuschäfer Elektronik GmbH Montagehilfe für hochpolige Leiterplattenverbinder
CN114698271B (zh) * 2022-05-16 2023-05-02 四川英创力电子科技股份有限公司 一种在印制电路板双面成型高频层的成型装置及方法

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3545606A (en) * 1968-06-11 1970-12-08 Benny Morris Bennett Flexible tape terminal assembly
US3676926A (en) * 1970-05-20 1972-07-18 Elfab Corp Method for manufacturing connector terminals

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3545606A (en) * 1968-06-11 1970-12-08 Benny Morris Bennett Flexible tape terminal assembly
US3676926A (en) * 1970-05-20 1972-07-18 Elfab Corp Method for manufacturing connector terminals

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3946477A (en) * 1974-03-28 1976-03-30 Amp Incorporated Apparatus for aligning and inserting pins into holes of a substrate
US4089104A (en) * 1977-05-03 1978-05-16 Litton Systems, Inc. Method and apparatus for preassembling a printed circuit board connector
FR2390071A1 (https=) * 1977-05-03 1978-12-01 Litton Systems Inc
US4327484A (en) * 1977-09-29 1982-05-04 Fuji Mfg. Co., Ltd. Apparatus for inserting electronic components to a printed circuit board
US4418475A (en) * 1979-11-19 1983-12-06 Elfab Corporation Method of manufacturing a printed circuit card edge connector having a pull through bellows contact a lay-over insulator
US4398628A (en) * 1980-09-30 1983-08-16 Western Electric Company, Inc. Methods of inserting pins into an apparatus and a pin supporting shuttle used therefor
US4378632A (en) * 1980-12-23 1983-04-05 Elfab Corporation Method of and apparatus for pull-fitting contacts
US4380118A (en) * 1981-08-13 1983-04-19 Amp Incorporated Terminal insertion tool
US4515354A (en) * 1982-09-13 1985-05-07 At&T Technologies, Inc. Fixture for assembling pins into a shuttle
US4753601A (en) * 1983-10-14 1988-06-28 Amp Incorporated Circuit board thickness compensator
US4769905A (en) * 1987-05-15 1988-09-13 Amp Incorporated Apparatus and method for loading semiconductor chip carriers into sockets
JPWO2019064448A1 (ja) * 2017-09-28 2019-12-19 株式会社Ｆｕｊｉ 部品把持具
CN112809607A (zh) * 2021-02-01 2021-05-18 国网湖北省电力有限公司宜昌供电公司 电控柜pcb板元器件插装工具及使用方法

Also Published As

Publication number Publication date
IT992550B (it) 1975-09-30
BR7303695D0 (pt) 1974-07-11
CA969676A (en) 1975-06-17
DE2323668A1 (de) 1973-12-06
FR2185872A1 (https=) 1974-01-04
NL7306805A (https=) 1973-11-21
JPS4941856A (https=) 1974-04-19
AR196529A1 (es) 1974-02-06
BE799693A (fr) 1973-11-19
AU5530273A (en) 1974-11-07
GB1377911A (en) 1974-12-18

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