US3796363A - Multiple component insertion apparatus - Google Patents

Multiple component insertion apparatus Download PDF

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Publication number
US3796363A
US3796363A US00288494A US3796363DA US3796363A US 3796363 A US3796363 A US 3796363A US 00288494 A US00288494 A US 00288494A US 3796363D A US3796363D A US 3796363DA US 3796363 A US3796363 A US 3796363A
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components
leads
sections
component
head assembly
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P Ragard
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Delaware Capital Formation Inc
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Universal Instruments Corp
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Assigned to DELAWARE CAPITAL FORMATION, INC., A DE CORP. reassignment DELAWARE CAPITAL FORMATION, INC., A DE CORP. ASSIGNMENT OF ASSIGNORS INTEREST. Assignors: UNIVERSAL INSTRUMENTS CORPORATION, A DE CORP.
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    • 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
    • H05K13/0417—Feeding with belts or tapes
    • H05K13/0426—Feeding with belts or tapes for components being oppositely extending terminal leads

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  • MULTIPLE COMPONENT INSERTION APPARATUS This invention is directed towards an improved insertion apparatus for axial lead components and more particularly to an insertion apparatus having an insertion head adapted to be automatically adjusted to accommodate axial lead components having body portions of varying diameters and lengths and to insert a plurality of these into a printed circuit board or the like.
  • Prior insertion apparatus of this type employ fixed insertion heads, wherein the component lead severing, bending and driving tools incorporated within the insertion head are not relatively adjustable, and include taped component feeding mechanisms which are adapted to accommodate carrier tapes having a preset spacing between components.
  • a given fixed insertion head is required to insert all components into a circuit board on a fixed lead center, designated as CD, i.e. the distance between the axes of inserted leads or center distance, regardless of the body lengths of such components, and with a fixed spacing between the board surface and the axis of the components regardless of the component body diameter or thickness.
  • an insertion head having a pair of insertion head sections which are relatively adjustable, so as to permit several components to be inserted into a board on any desired lead center or CD.
  • the ability of the apparatus to insert several components simultaneously on variable lead centers not only permits versatility of circuit board design and ten'ninal arrangement, but permits maximum circuit board density due to the fact that the lengths of the non-deformed portions of the leads which are arranged parallel to the surface of the circuit board may always be maintained at a minimum. Further, by permitting relative adjustment of the head sections, the leads of the components, regardless of lead diameter or size, may be accurately positioned with respect to preformed apertures provided in the circuit board.
  • the present invention additionally contemplates the fonning of an insertion head in such a manner that the extent of travel of the driving tools of the inserter may be varied to obtain one of a number of preselected insertion positions, which are determined by the body portion diameters or thicknesses of the components to be inserted.
  • This arrangement permits each component, when inserted, to be positioned in proper supporting engagement with the surface of the circuit board and permits the driving tools of the insertion head to be positioned as close to the surface board as possible in order to insure proper clinching of the inserted leads.
  • the insertion apparatus of the present invention also includes an adjustable tape feeding arrangement, which permits the apparatus to process component carrier tapes having either standard nominal 200 or 375 thousands spacing between individual components or to accommodate tapes having variable component spacings along a given carrier tape.
  • the insertion apparatus of this invention permits the insertion of a plurality of components with a single cycle of the insertion head which reduces the number of shifts the insertion head has to make to complete an insertion operation on any given circuit board.
  • the apparatus is an improvement over the apparatus shown in United States Letters Pat. No. 3,539,086 issued on Nov. 10, I970.
  • FIG. 1 is a front elevational view of the insertion apparatus according to the present invention, having parts broken away for purposes of clarity;
  • FIG. 2 is an exploded view of the various components of the insertion apparatus
  • FIG. 3 is a perspective enlarged view of one of the components of the apparatus
  • FIG. 4 is a sectional view taken generally along the line 4-4 of FIG. 1;
  • FIG. 5 is a side elevational view taken generally along the line 5-5 of FIG. 1;
  • FIGS. 6A-6E are views showing the successive steps in the component lead severing, bending and insertion sequence
  • FIG. 7 is a sectional view of the lead forming components of the apparatus showing the relationship with a typical comp0nent;.
  • FIG. 8 is a view generally illustrating the alignment of the head components and the tapes and components.
  • the insertion apparatus of the present invention which is generally designated as 10 in the drawings, is adapted to process axial lead insertion tapes of the type shown in FIG. 1, wherein a pair of spaced carrier tapes 1,2 are employed to lead support a plurality of compo nents such as C,, C C C C C,,, which are disposed in a spaced apart relationship along the length of the tape.
  • the axial lead components are generally shown in the drawings as having body portions and a pair of leads such as 3 and 4, which extend axially from opposite ends thereof.
  • the body portions are considered as having a length measured between the opposite ends thereof and a thickness measured in a direction normal to the axes of leads 3 and 4.
  • the components to be processed may be of varying body portion thicknesses and lengths, as indicated in FIGS. 1 and 8.
  • the apparatus of the present invention is adapted in sequence to feed the insertion tapes; sever a plurality of leads such as 3 and 4 of successively presented groups of components in order to separate the presented components from tapes 1 and 2; deform the free end portions of the severed leads to provide generally L-shaped leads; and insert the deformed leads into preformed apertures such as 8 and 9 (FIGS. 6D and 613) provided in a circuit board designated as CB. After insertion of the deformed leads, the free ends thereof, which project below circuit board CB, may be clinched to retain them in insertedv position by any suitable clinching mechanism (not shown).
  • Circuit board CB can be adjustably positioned below the insertion apparatus by any conventional supporting apparatus, which is adapted to be driven in X,Y directions by electric motors.
  • Any conventional supporting apparatus which is adapted to be driven in X,Y directions by electric motors.
  • a brief description of a suitable clinching mechanism appears in US. Pat. No. 3,539,086.
  • apparatus 1 generally comprises an open framework which includes a generally U-shaped metal casting 14 having vertically disposed backwall portion 13 and leg portions 11,12.
  • Leg portions 11,12 are provided with aligned bore openings adapted to support a plurality of spaced parallel shafts including insertion head drive shaft 15; insertion head transverse guide shafts 16 and 55; insertion head transverse adjustment screw shaft 50 having oppositely threaded equal pitch screw sections; insertion tape advancing shaft 20; and insertion head support return shaft 80 (FIG. 5).
  • Leg portions 11,12 are further shown in FIGS. 1 and 4 as having mounting flange portions such as 65 which may be suitably affixed thereto, as by welding.
  • the structural arrangement of the apparatus thus far described is adapted to support an insertion head assembly, generally designated as 100; a component tape guide and feeding assembly which is adapted to present a component to head assembly 100 for processing once during each operational cycle of the apparatus; and an insertion head actuating mechanism, having air cylinder 41 and adapted to operate assembly 100 each time a component is presented thereto.
  • Insertion head assembly 100 is shown particularly in FIGS. 1 and 2 as including a pair of relatively spaced apart insertion head sections which are of mirror image construction and disposed on opposite sides of a vertically extending reference plane.
  • the sections are shown particularly in FIGS. 1 and 2 as including base casting members 101,102, which are adapted to slidably support lead severing, forming and driver subassemblies and pivotably support component lead support subassemblies.
  • Base casting members 101 and 102 particularly in FIGS. 1 and 2, have ball bearing sleeve inserts such as 104 for member 101 (See FIG. 4) and 185 and 186 for member 102, which are adapted to slidably receive guide shafts 16 and55, respectively.
  • Insert such as 187 in member 102, is adaptedto threadably receive screw shaft 50. It will be understood by viewing FIG. 1 that such inserts as 187 of base casting members 101,102 cooperate with the oppositely threaded screw shaft sections respectively, such that upon rotation of screw 50 insert head sections 101,102 are forced to slide on shafts 16 and 55 in opposite directions with respect to the center plane of the apparatus. Rotation of screw shaft 50 in the opposite direction forces head sections 101,102 to move through equal distances either towards or away from the reference plane and may be effected by any suitable means, such as a motor M, mounted on casting leg portion 12.
  • the facing surface portions of the base castings 101, 102 are cut out to provide lengthwise extending slots 107,182 having bottom walls and side walls.
  • the facing surface portions are further provided as shown particularly in the case of base casting 102 with a first slot side opening recess 161 which is adapted to receive a forming tool cam plate 161 having a camming recess 162; a second slot side opening recess 193, which is adapted to receive severing tool cam plate 189 also having a camming recess; a third slot side opening recess 188, which is adapted to receive the lead support subassembly 144; and a bottom edge slot which is adapted to slidably receive support subassembly return pin Suitable retention plates 183 and 184 are affixed to the base casting member 102 by machine screws for the purpose of maintaining cam plates 161,189 and the subassemblies in position.
  • a generally L-shaped bracket 190 which is mounted
  • the support subassembly 127 is shown as including a pivot arm 130 having a pivot pin shaft 128 affixed adjacent the upper end thereof; a lead severing block 129; and a lead support block 142.
  • the upperwardly facing surface 136 of severing block 129 is disposed vertically above the upwardly facing surface 137 of support block 142 a distance corresponding to the maximum thickness or diameter of the leads of components to be severed, as generally indicated in FIG. 6A.
  • Pivot arm is beveled as at 131, 132, 133, 134, 139, and 143 to allow it to swing without engaging another portion of the apparatus.
  • Severing block 129 has a groove 138 thereon.
  • the support subassembly 144 is adapted to be pivotally supported within base casting member recess 188 by means of pivot pin 146, whose ends are received respectively within bore opening 188' of base casting member 102, shown only in FIG. 2 and a bore opening of retention plate 184 (not shown).
  • subassembly 127 is adapted to be normally maintained in its supporting position, illustrated in FIGS. 1, 2 and 6A-6E by means of an assembly shown in FIG. 4 as including return pin 84; abutment 82 carried on return shaft 80; and a tension spring 206 (FIG. 5), which has its respective ends affixed to leg portion by pin support 207, and return shaft 80 by pin 205.
  • subassembly 127 is prevented from being pivoted in a clockwise direction past its supporting position, as viewed in FIG. 4, due to the operation of tension spring 206, by abutting engagement with severing member 110, forming member 120 and driver 150.
  • abutment 82 and also the corresponding abutment for return pin 115 which is not shown in the drawings, is of sufficient length in a direction measured axially of shaft 80 to insure engagement thereof with return pins 84, 115', in all adjusted positions of head sections 101,102, respectively.
  • Support assembly 127 is provided with beveled surfaces 132 and 133, which are adapted to cooperate with the rest of the apparatus in the manner to be hereinafter discussed, for the purpose of pivoting the assembly from its operative or component supporting position, as viewed in FIG. 4, in a counterclockwise direction into an inoperative position to permit the insertion subassembly to move downwardly towards circuit board CB into a component lead insertion position.
  • return pin 84 is forced to slide within slot 84' thereby forcing abutment 82, and return shaft 80 to move in a counterclockwise direction, also as viewed in FIGS. 4 and 5, and placing spring 206 under increased tension.
  • the lead severing, forming and driver subassembly is shown particularly in FIGS. 1 and 2 as including a lead driving member 150 having a detachable driving tool 155 disposed adjacent the lower end thereof; a lead forming member 120 having integrally formed abutment 126 and forming tool 121 disposed adjacent the upper and lower ends thereof, respectively; a lead severing member 110 having an integrally formed abutment 113 and severing tool 111 disposed adjacent the upper and lower ends thereof, respectively; and forming and severing member cam pins 119 and 163, respectively.
  • the driving members 150 and 160 are shown as having side wall surfaces in which are disposed lengthwise extending slots 151,166 adapted to slidably receive forming members 120 and 170, respectively, and severing members 110 and 180, respectively which are arranged in a juxtaposed relationship. Further, the driving members 150 and 160 are each provided with a pair of relatively off-set slots 152,153, and 167 (second slot not shown), respectively, which extend transversely from slots 151,166 through member front and rear wall surfaces and are adapted to slidably receive cam pins such as 118, 119, 176, and 163, respectively.
  • cam pin 119 when cam pin 119 is slidably disposed within slot 153, its curved end portion is adapted to be selectively projected through the front wall of 150 for the purpose of cooperating with the camming recess 125 of cam plate 124, and its wedge-shaped end is adapted to be selectively projected into slot 151 for the purpose of cooperating with V-shaped slot recess 118 provided in severing member 110.
  • cam pin 118' is provided with a curved end portion which is adapted to be selectively projected through the rear wall surface of 150 into cooperating engagement with recess 116 of cam plate 1 and its wedge shaped portion is adapted to selectively project into slot 152 into cooperating engagement with a V-shaped slot 119' provided in lead forming member 120.
  • Tools 111, 121 and are shown primarily in FIG. 2 as being provided with a plurality of aligned, generally V-shaped downwardly opening slots 112, 123 and 157 respectively which are adapted to receive leads such as 4 of component C,. Also, it will be seen that the surface of tool 155 is disposed in a facing relation with respect to the reference plane and is machined away, as at 156, to afford clearance between the driving tool and the body portion of the component.
  • forming tool 121 has a plurality of lead receiving and guide slots such as 175 in tool 173 of member which extends upwardly from adjacent V-shaped groove 123, is disposed on the surface of tool 121 disposed in sliding engagement with tool 155, and is machined away as at 122 on the surface thereof which slidably engages severing tool 111 in order to maximize clearance between the forming tool and the leads of a component which has been previously inserted into board CB.
  • Lead forming members 120 and 170 and lead severing members 110 and 180 are normally biased in a vertically downward direction by means of tension springs such as 44, 45 46 and 46' (FIG. 1).
  • the tension springs may be suitably afi'lxed adjacent the lower ends thereof to any vertically stationary part of the apparatus, such as base castings 101,102 and adjacent their other or upper ends to pins 181, 171, 126 and 114 carried on lead forming member and lead severing member abutments 178, 172, 126' and 113, 178, respectively.
  • Lead severing member 180 has a plurality of notches such as 179, corresponding to the number of slots such as and guides such as 165 on tools 173 and 164 of members 170 and 160, respectively.
  • Drive members 160 has transverse notches such as 167 which act, together with cams such as 163,176 in the same manner as cams 119, 118 and slots 152,153.
  • V-shaped notch 177 in severing member acts in the same manner as notch 118.
  • Camming surface 168 of drive member 160 acts like surface 159 of member 150.
  • Tool 173 is machined away as at 174.
  • Support member 144 is identical to 127 and has pin 146, upper portion 145 and support and severing blocks 148 and 147 attached thereto by screws 149.
  • FIGS. 6A-6E The operational sequence of the insertion head assembly will best be understood by reference to FIGS. 6A-6E. Only one-half of the assemblies will be described since it is understood that they are mirror images.
  • the insertion members are shown as being in their upper position and support assembly 127 is shown as being in its operating or component supporting position, wherein a component C, is supported by lead 4 on the upwardly facing surface 136 of shear block 129 with V-shaped slots 112,123,157 of members 110,120 and 150, respectively, disposed above and in alignment with component leads 4.
  • forming tool 121 and driving tool 155 are moved into the position shown in FIG. 6C, whereat forming of an L-shaped lead has been completed with the free end of such lead preferably projecting downwardly below the end of the guide slot (such as 175) and the driving tool has been placed in engagement with the non-deformed or horizontally extending portion of the L-shaped head.
  • support assembly 127 Upon continued downward movement of tools 121,155, support assembly 127 is removed from its operable position by the action of driving member cam surface 159 to permit free movement of the tools towards the insertion position shown in FIGS. 6D and 6E, wherein the free ends of the deformed leads 3 and 4 are inserted into the board apertures 8 and 9.
  • tools 121, 155 move together until tool 121 is immediately adjacent the surface of circuit board CB (as in FIG. 6D) to insure accurate insertion of the lead, whereafter movement of tool 121 is terminated due to engagement of forming member abutment 126' with base casting 101; forming member 120 being disconnected from driving member 150, due to the presence of forming tool cam plate recess 116, which permits cam pin 118' to ride out of slot recess 119'. Thereafter, tool 155 continues its downward movement in order to drive the lead downwardly through the forming member guide slot (See 123, in FIG. 8) into fully inserted position as shown in FIG. 6E.
  • the insertion position of drive tool 155 may be varied to compensate for variable component body portion thicknesses or diameters, as will hereinafter be described, the insertion position of forming tool 121 is constant since it depends solely on the positioning of forming tool cam plate recess 116.
  • a single drive tool 155 may be provided with V grooves 157 of difi'erent depths.
  • the tool head 155 is detachably secured to the driving member 150 by screws 155'.
  • members 110,120 and 150 span six components and they are all acted upon simultaneously.
  • spring 44 functions to initially constrain movement of forming member 120 therewith due to frictional forces, until cam pin 118 is returned into alignment with forming members slot recess 119, whereupon cam pin 118 is forced to rid out of forming tool cam plate recess 116 and be forced back into slot recess 119.
  • spring 45 functions to constrain severing member 110 until cam pin 119 is again aligned with slot recess 118 whereupon the cam pin 119 is forced back in slot recess 1 18 as it is forced to ride out of severing tool cam plate recess 125.
  • the lengths of the body portions of presently available components may vary substantially, and thus a conventional fixed head inserter designed to handle only C cannot accommodate C C C etc. due to limited spacing between driving tools and 160.
  • a fixed head inserter were designed to accommodate the larger sized component, not only is the number of components which may be inserted in a given board greatly reduced, but problems of lead damage are offtimes encountered when small sized components are inserted, due to excessive lengths of exposed above the board surface.
  • By providing'for selective adjustment of the insertion head in accordance with the present invention not only may circuit board density be maximized but where desired, the leads of the components may be inserted at board terminal positions specified by a circuit board designer.
  • FIG. 7 there is illustrated a problem offtimes encountered with fixed head inserters, when employing components having leads which vary substantially in diameter.
  • the size or diameter of all apertures 8, 9 for any given board is the same, apertures are positioned on the same C.D. (center distance), and the apertures are only slightly larger than the maximum lead diameter expected to be employed.
  • the spacing between formers 120,170 so as to position the smallest diameter lead encountered, e.g. 250 shown in section, as closely adjacent opposite facing sides of apertures 8, 9 as possible, with a view to centering large diameter leads eg 251, shown in phantom, within the apertures.
  • this procedure often results in improper positioning of large diameter component leads, whose effective C.D. may be significantly smaller that the effective CD. of leads250.
  • the spacing between forming members 120,170 may be varied to obtain a desired C.D. such as X or Y regardless of component lead diameter, and thus insure accurate orientation of the leads with respect to the board apertures.
  • This selected CD. is the same for all six components being simultaneously inserted.
  • the insertion tape guide and feed assembly includes as in the case of insertion head assembly, a pair of guiding and feeding sections which are of mirror image construction and disposed on opposite sides of apparatus reference plane.
  • the sections are mounted on framework mounting flange portions such as 65 for adjustment relative to the apparatus reference plane by means of brackets having first and second flange portions such as 66 and 71.
  • Bracket flange portions 66 may be locked in a desired adjusted position by means of clamping bolts 69 and washers 68 which are freely received within bracket flange slots such as 67 and threadedly received within mounting flanges 65.
  • the sections are provided with generally L-shaped lead guides 76 which are pivotally affixed to bracket flanges 66 by means of pin shafts 72.
  • the guides are adapted to be maintained in the position illustrated particularly in the case of guide 76 in FIG. 1 by means of thumb screws 74 which are threadably received within bracket flange portions 66.
  • the sections are also provided with stationary guides, shown only in the case of guide 77, which are adapted to coop erate with pivotal guides 76 to define a vertically extending component lead guide passageway 89.
  • flange portion 60 is bored to receive a bearing insert 59 in which is journalled a shaft having a component lead advancement wheel 61 carried thereon.
  • advancement wheels of each section are provided with radially extending annular rim portions such as 6 having a plurality of circumferentially spaced generally V-shaped lead receiving slots, which are disposed in alignment.
  • the lower ends of pivotable guides such as 76 form continuations of the upwardly facing surfaces of severing blocks 129 and 147 and serve to maintain the component leads within the slots, as successive components are presented to the insertion assembly by rotation of advancement wheels such as 61.
  • the spacing between the slots corresponds to the minimum standard spacing between components on tape 1 and 2.
  • the assembly sections may be adjusted with reference to the apparatus reference plane, so as to permit adjustment wheel rim portions to engage the relatively inwardly facing marginal edges of component carrier tapes 1 and 2 and thereby effect positioning of the components carried by such tapes in proper orientation with respect to apparatus reference plane, and thus sections 101 and 102 of the insertion head assembly.
  • the insertion section base castings 101 and 102 are each cut out, as at 106, to freely receive the component advancement wheels in order to permit relative adjustment of sections 101, 102 after the distance between the sections has been set for a given width carrier tape.
  • Component lead advancement wheels may be simultaneously rotated to draw insertion tape 1 and 2 downwardly through the lead guide slots by ratchet assemblies shown only in detail in U.S. Letters Pat. No. 3,539,086 which is hereby incorporated as a part of this specfication by reference. It consists of member 48, pin shaft 53, pivot member 54, ratchet paw 51, pivot member pivot pin shaft 52 and ratchet sleeve 56.
  • FIG. 5 it will be understood that one end of shaft 20 projects outwardly beyond leg portion 11 and is adapted to carry flange portion 232, which is movably connected to piston rod 225 of pneumatic cylinder 221 by means of pin shaft 231.
  • the extent to which piston rod 225 may be retracted into cylinder 221 upon operation thereof and thus the angle through which shaft 20 is rotated is controlled by a stop block 226, which is adapted to engage the undersurface of piston shaft nut 229.
  • Stop block 226 may be moved from the position shown in FIG. 5 in order to permit piston rod 225 to be fully retracted, by loosening locking bolt 228, which is slidably disposed in stop block slot 227 and threadably received within framework leg portion 11.
  • Flange portion 232 carries a cap portion 233 secured thereto by bolts 234. Cylinder 221 is held in place by machine screws 224 and bracket 223.
  • ratchet paw 51 is stepped backwardly one tooth on the ratchet wheel whereas without the stop block in the position, full retraction of piston rod 236 will cause ratchet paw 51 to step two ratchet teeth. Since the number of ratchet teeth stepped while cocking the ratchet assembly determines the degree of feeding rotation of advancement wheels such as 61 when cylinder 221 is actuated to extend rod 225, the number of ratchet teeth corresponds to the number of slots 6 on advancement wheel 61 and the spacing between adjacent wheel slots corresponds to the minimum nominal spacing for standard carrier tapes.
  • stop block 226 may be-employed to adjust the apparatus to handle insertion tape s having either standard nominal 200 thousands or 370 thousands spacing between component leads. In this respect, it will be understood that spacings between component leads of such standard tapes actually approximate 195 thousands and 390 thousands, respectively. If desired, tapes having variable component spacings to conserve tape length where both extremely large and relatively small diameter components are to be employed, may be accommodated by employing remotely controlled means to adjustably position stop block between insertion cycles.
  • Limit switch 63 and roller 64 are employed to sense clockwise rotation of shaft 20 which results in rotation of advancement wheel 61 to present a component to the insertion head.
  • driver members 150,160 may be simultaneously reciprocated within base casting slots 107,182, to move from their first or uppermost position, into their second or lowermost component lead inserting position by means of actuating assembly connected to cylinder 41.
  • This actuating mechanism includes a generally U- shaped driving bracket which is fixed for rotation with drive shaft 15 and provided with a half-round driving pin 92 adapted to be slidably received within transversely extending cutouts such as 169 of driver members 150,160; a stop bracket 37, which is fixed for rotation with one end of drive shaft 15 projecting outwardly through leg portion 11; and a double acting pneumatic cylinder 41.
  • Cylinder 41 is mounted on leg portion 11 by a bracket 31,32 and includes a piston rod 33 having a connecting pin 38 which is slidably received within stop bracket slot 200.
  • drive shaft 15 which is shown in FIG. 1 as projecting outwardly through leg portion 12, has a flange 22 adapted to carry a pair of cam members such as 23 secured by screws 28.
  • Cam members 23 are adapted to cooperate with limit switches 29 and 30, respectively which are mounted on leg portion 12 by brackets such as 21 and are employed to indicate to a control circuit of the insertion apparatus that the insertion subassemblies are in either their uppermost or insertion positions.
  • Cam 23 engages a roller 24 held in yoke 26 by pin of switch 30.
  • stop bracket 37 is shown as being provided with a pin 39, which is adapted to be slidably received within slot 202 provided adjacent one end of a connecting rod 40.
  • Connecting rod 40 is pivotably supported adjacent the other end thereof by a pin shaft 203, which is supported on bracket 204 affixed for rotation with return shaft 80.
  • This arrangement serves, after component lead supporting subassemblies 127 and 144 have been initially pivoted towards their inoperative positions by drive member cam surfaces 158,168, to temporarily rotate return shaft 80 in a counterclockwise direction, as viewed in FIG. 4 and thus temporarily remove abutments such as 82 from positive engagement with return pins 84.
  • the insertion subassemblies are freed of the return bias of spring 206 in order to permit drive members 150,160 to slide on pivot arm cam surfaces 132,133 FIG. 3) with a minimum amount of friction, as the drive members are reciprocated to and from insertion position.
  • connecting rod 40 Upon the return of stop bracket 37 to its original or full line position shown in FIG. 5, connecting rod 40 is rendered inoperative in order to permit spring 206 to return support assemblies 127,144 to their original supporting positions.
  • Motion limiting mechanism which is generally shown in FIG. 5 and operates to limit the extent through drive members 150,160 are reciprocated upon actuation of driver cylinder 41.
  • Motion limiting mechanism generally comprises a stop block 209, a ternary pneumatically operated cylinder (not shown) and an endless chain 218 which is adapted to transform reciprocating movement of the ternary cylinder into rotational movement of stop block 209.
  • Stop block 209 is freely mounted for rotation on guide shaft 16 by a ball bearing insert 208 and includes a plurality of threadably adjustable stop elements, 210, 211, 212, 213, 214, 215, 216, 217 which are spaced equally about the periphery of stop block 209.
  • the stop elements may be individually adjusted with respect to a zero reference surface which is defined by a set block or gauge 219 mounted on leg portion 11 by machine screws 220.
  • one of the stop elements, as for instance, element 210 is adjusted to provide a minimum reference distance between such element and the reference surface and another of the stop elements, as for example, element 217, is adjusted to provide a maximum reference distance between such element and reference surface of block 219. Thereafter, the remaining stop elements are adjusted with respect to the reference surface so as to provide for instance an equal and progressive variation between the minimum and maximum reference distances.
  • stop elements 210 adjusted to minimum reference distance would be positioned in the reference stop position shown in FIG. 5 to permit it to be engaged by a projection 201 of stop bracket 37 when the latter is pivoted into its phantom line driving position.
  • stop element 210 will permit the minimum degree of stop bracket pivotable movement, it follows that drive members 150,160 are driven through a minimum distance, so as to permit maximum spacing. If, on the other hand, a minimum diameter component is to be inserted, a stop element would be moved into the reference stop position in order to maximize the degree of stop bracket movement.
  • the positioning of drive member tools 155,167 is optimized for any given component size from the standpoint of proper lead clinching. Further, the body portions of the components may be placed in desired supporting engagement with the surface of a circuit board regardless of body portion thickness.
  • the ternary cylinder and its operation are explained fully in US. Pat. No. 3,539,086.
  • a suitable memory element such as a punched or magnetic tape, is coded to indicate the various component and circuit board parameters for each of the sets of components to be supplied to the insertion apparatus during fabrication of a given circuit board.
  • the tape is coded to indicate a given X-Y board position, a given CD. or distance between the component lead axes of a given diameter which is required in order to permit the leads to be properly inserted into prepunched board apertures, and the diameter or thickness of the body portion of the component.
  • the coded tape is then employed to control operation of the control circuit of the apparatus.
  • Operation is initiated by feeding the coded tape in a stepwise manner past a suitable tape reader which signals a control mechanism to begin a component insertion cycle.
  • the control initiates the insertion cycle by actuating circuit board supporting table positioning motors (not shown) to drive the circuit board into a given X-Y position, whereat a set of prepunched board apertures are disposed in alignment beneath the insertion head assembly.
  • the two halves of the insertion assembly are adjusted relative to each other by screw shaft 50 to accommodate the C.D. of the next group of components to be inserted.
  • stop block 209 is rotated to accommodate the diameter of the body portion of the next group of components.
  • the component advancement wheel 61 is advanced by actuation of cylinder 221 one to six times to define the number of components to be simultaneously inserted.
  • the components rest on support assemblies 127 and 144, which are in their forward position.
  • the drive members 150 and 1611 Upon actuation of cylinder 41, the drive members 150 and 1611 are lowered, carrying with them severing members 110,180 and forming members 120 and 170, respectively.
  • the plurality of components (in the present device, from one to six) have their lead severed, formed and inserted into a series of apertures in a circuit board as displayed in FIGS. 6A-6E. After the leads are severed and formed, support assemblies 127 and 144 pivot out of the path of drive members 150 and 160.
  • An apparatus for processing electrical components each having a body portion and a pair of leads extending from opposite ends thereof which comprise: a head assembly having first and second relatively spaced apart sections; means adapted to actuate said sections during each operational cycle of said apparatus; means adapted to present a plurality of said components to said head assembly during each operational cycle of said apparatus in such a manner that the leads of said plurality of presented components are operably positioned one adjacent each of said sections with said components body portion being disposed between said sections, each of said sections when actuated being adapted to sequentially sever lengths from one lead of each of said plurality of presented components to produce a series of shortened component leads, thereafter deform free end portions of said shortened leads to produce generally L-shaped leads, and thereafter insert the free ends of said deformed L-shaped leads into a series of spaced preformed apertures provided in a circuit board.
  • said component presenting means includes two rclatively spaced apart axially aligned feed wheels disposed adjacent opposite sides of said head assembly, each said feed wheel having a plurality of equally spaced apart recesses disposed adjacent the periphery surface thereof, said wheel recesses being arranged to form periphery-spaced pairs of aligned recesses, the respective recesses of each said pair being adapted to engage the respective leads of components to be presented, and means to effect rotation of said feed wheels to present a predetermined number of components to said head assembly during each operational cycle of said appara tus.
  • components to be presented to said head assembly are lead supported by a pair of parallel carrier tapes, said feed wheels are provided with radially extending annular guide surfaces, said guide surfaces being adapted to guidingly engage facing marginal edge portions of said carrier tapes to effect desired positioning of said components with respect to said head assembly in a direction lengthwise of each said component body portion between said ends thereof, and means are provided to vary the distance between said feed wheels in accordance with the spacing between said facing marginal edges of said tapes.
  • components to be presented to said head assembly are lead supported by a pair of parallel carrier tapes, and said means to effect rotation of said feed wheels includes means selectively operable to vary feeding rotation of said feed wheels in accordance with the spacing between components carried on said tapes.
  • each of said component body portions has a thickness when measured normal to a line extending between said ends thereof, said sections include means to insert said free ends of said deformed L-shaped leads into said preformed apertures and means are provided to adjustably vary insertion position of said insertion means in accordance with the said thicknesses of said presented components.
  • An apparatus including means adapted to vary the spacing between said sections; and control means operable to actuate said section spacing varying means, whereby the distance measured between the free ends of said deformed leads of components processed during successive operational cycles of said apparatus may be varied in a predeter' mined manner.
  • section spacing varying means includes guide means adapted to slidably support said sections for reciprocation along aligned paths of travel, and shaft means aligned with said paths of travel, said shaft means having oppositely threaded equal pitch screw portions, each said section being adapted to threadably receive one of said screw portions; and said control means includes motor means adapted to selectively rotate said shaft means in opposite directions, whereby said sections are forced to slide on said guide means in opposite directions.
  • An apparatus for processing a series of electrical components each having a body portion and a pair of leads extending from opposite ends thereof, which comprise: a head assembly having first and second relashaped leads and thereafter insert the free ends of said deformed leads into one side of a series of spaced preformed apertures provided in a circuit board; means adapted to vary the distance between said sections in order to vary the spacing between said free ends of said deformed leads; and means to adjustably control operation of said varying means in accordance with the spacing between said preformed apertures into which said deformed leads are to be inserted.

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Supply And Installment Of Electrical Components (AREA)
US00288494A 1972-09-13 1972-09-13 Multiple component insertion apparatus Expired - Lifetime US3796363A (en)

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US28849472A 1972-09-13 1972-09-13

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US (1) US3796363A (xx)
JP (1) JPS4968271A (xx)
CA (1) CA980996A (xx)
DE (1) DE2303724A1 (xx)
GB (1) GB1421750A (xx)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4043094A (en) * 1975-09-29 1977-08-23 Western Electric Company, Inc. Method and apparatus for processing taped components
US4087034A (en) * 1975-12-17 1978-05-02 Matsushita Electric Industrial Co., Ltd. Automatic component mounting apparatus
US4197638A (en) * 1977-08-27 1980-04-15 Fugi Mfg. Co., Ltd. Method of inserting electronic components to a printed circuit board and an apparatus therefor
EP0014940A1 (en) * 1979-02-14 1980-09-03 Matsushita Electric Industrial Co., Ltd. Component inserting apparatus
US4417683A (en) * 1981-11-09 1983-11-29 Universal Instruments Corporation Centering device for electrical components
US4470182A (en) * 1982-07-01 1984-09-11 Universal Instruments Corporation Method and apparatus for centering electrical components
US20070131714A1 (en) * 2005-10-03 2007-06-14 Les Produits De Toiture Fransyl Ltee Multiple aerosol dispensing apparatus

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5419177A (en) * 1977-07-12 1979-02-13 Matsushita Electric Ind Co Ltd Automatic electronic parts mounting device
JPS54126962A (en) * 1978-03-24 1979-10-02 Fuji Machine Mfg Method of and apparatus for inserting electronic components into printed board
JPS5690593A (en) * 1979-12-24 1981-07-22 Fujitsu Ltd Method of carrying electronic part
JPS57166375U (xx) * 1981-04-13 1982-10-20
US4455735A (en) * 1982-04-15 1984-06-26 Avx Corporation High speed apparatus for inserting electronic components into printed circuit boards
JPS59158598A (ja) * 1983-02-28 1984-09-08 松下電器産業株式会社 電子部品插入装置

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2808587A (en) * 1956-12-13 1957-10-08 Western Electric Co Electrical component mounting apparatus
US2961027A (en) * 1956-10-02 1960-11-22 Amp Inc Machine for feeding and applying tips to a series of electrical components
US3539086A (en) * 1968-08-26 1970-11-10 Universal Instruments Corp Multi size variable center electronic component insertion machine

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2961027A (en) * 1956-10-02 1960-11-22 Amp Inc Machine for feeding and applying tips to a series of electrical components
US2808587A (en) * 1956-12-13 1957-10-08 Western Electric Co Electrical component mounting apparatus
US3539086A (en) * 1968-08-26 1970-11-10 Universal Instruments Corp Multi size variable center electronic component insertion machine

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4043094A (en) * 1975-09-29 1977-08-23 Western Electric Company, Inc. Method and apparatus for processing taped components
US4087034A (en) * 1975-12-17 1978-05-02 Matsushita Electric Industrial Co., Ltd. Automatic component mounting apparatus
US4197638A (en) * 1977-08-27 1980-04-15 Fugi Mfg. Co., Ltd. Method of inserting electronic components to a printed circuit board and an apparatus therefor
EP0014940A1 (en) * 1979-02-14 1980-09-03 Matsushita Electric Industrial Co., Ltd. Component inserting apparatus
US4417683A (en) * 1981-11-09 1983-11-29 Universal Instruments Corporation Centering device for electrical components
US4470182A (en) * 1982-07-01 1984-09-11 Universal Instruments Corporation Method and apparatus for centering electrical components
US20070131714A1 (en) * 2005-10-03 2007-06-14 Les Produits De Toiture Fransyl Ltee Multiple aerosol dispensing apparatus

Also Published As

Publication number Publication date
GB1421750A (en) 1976-01-21
DE2303724A1 (de) 1974-03-21
JPS4968271A (xx) 1974-07-02
CA980996A (en) 1976-01-06

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