US3359780A - Terminal applicator - Google Patents

Terminal applicator Download PDF

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Publication number
US3359780A
US3359780A US441225A US44122565A US3359780A US 3359780 A US3359780 A US 3359780A US 441225 A US441225 A US 441225A US 44122565 A US44122565 A US 44122565A US 3359780 A US3359780 A US 3359780A
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US
United States
Prior art keywords
terminal
crimping
strip
plate
station
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
Application number
US441225A
Other languages
English (en)
Inventor
Kerns David Ronald
Martz Paul Elwood
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
TE Connectivity Corp
Original Assignee
AMP Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by AMP Inc filed Critical AMP Inc
Priority to US441225A priority Critical patent/US3359780A/en
Priority to GB9273/66A priority patent/GB1068224A/en
Priority to FR52971A priority patent/FR1470990A/fr
Priority to DE19661565969 priority patent/DE1565969A1/de
Priority to NL6603341A priority patent/NL6603341A/xx
Priority to SE3662/66A priority patent/SE313097B/xx
Priority to ES0324383A priority patent/ES324383A1/es
Application granted granted Critical
Publication of US3359780A publication Critical patent/US3359780A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • H01R43/04—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for forming connections by deformation, e.g. crimping tool
    • H01R43/048—Crimping apparatus or processes
    • 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
    • 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
    • H01R43/04—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for forming connections by deformation, e.g. crimping tool
    • 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
    • Y10T29/532—Conductor
    • Y10T29/53209—Terminal or connector
    • Y10T29/53213—Assembled to wire-type conductor
    • Y10T29/53235—Means to fasten by deformation

Definitions

  • This invention relates to applicators for crimping electrical terminals or connectors in strip form onto the ends of wires.
  • a further object is to provide an applicator particularly intended to apply terminals in ladder strip form in which each terminal extends laterally beyond the carrier strip.
  • a further object is .to provide an applicator for terminals in ladder strip form having means for removing the leading terminal from the strip at one station and means for transferring the leading terminal to a crimping station where it is crimped onto a wire end. It is a further object of the invention to provide an applicator which is adapted to crimp a terminal or connecting device at both of its ends onto a Wire.
  • the applicator comprises a crimping station, a severing station for severing the leading terminal from the strip, andan indexable transfer device for transferring the severed terminal to the crimping station.
  • the transfer device comprises a square plate having means adjacent to each of its corners for gripping a terminal. The terminal strip is fed towards the transfer plate to position the leading terminal in one of the gripping means of the transfer plate and the severing means is disposed beside the transfer plate at a location such that a fed terminal can be severed from the strip after it has been clamped in the gripping means of the transfer device.
  • the terminal disposed at that station is held by the transfer device in alignment with the crimping dies.
  • the transfer device releases the terminal so that it can be removed from the applicator after it has been crimped onto a wire.
  • FIGURE 1 is a perspective view of a preferred embodiment of an applicator in accordance with the invention.
  • FIGURE 1A is a perspective view of a short section of terminal strip of a type which the applicator of FIG- URE 1 is intended to apply to Wire ends;
  • FIGURE 2 is a front view of the applicator of FIG- URE l;
  • FIGURE 2A is a sectional front view of the transfer plate of the disclosed embodiment
  • FIGURES 3 and 4 are views taken along the lines 3-3 and 4-4 of FIGURE 2;
  • FIGURE 5 is a sectional view taken along the lines 55 of FIGURE 3;
  • FIGURE 6 is a view taken along the lines 6-6 of FIGURE 2;
  • FIGURE 7 is a sectional fragmentary view showing the indexing mechanism for the transfer plate
  • FIGURES 8 and 9 are fragmentary views on an enlarged scale illustrating the operation of the severing means for severing of the terminals from the strip;
  • FIGURE 10 is a view taken along the lines 1010 of FIGURE 2;
  • FIGURE 11 is a view taken along the lines 1111 of FIGURE 4.
  • the disclosed embodiment of the invention comprises a base plate 2 which is adapted to be mounted on the bed or platen 3 of a press.
  • a transfer plate generally indicated at 4 is mounted above the base plate and adjacent to the left-hand end thereof, as viewed in the drawing, by means of a shaft 6 to which it is secured for rotation therewith.
  • This shaft extends through the transfer plate 4, through a bearing in a block 8 mounted behind the transfer plate, see FIG URE 10, and has a ratchet wheel 10 pinned or otherwise secured to its rearward end as shown in FIGURE 7.
  • Ratchet wheel 10 has four teeth 12 located at equally spaced intervals on its periphery for engagement by a ratchet pawl 16 which is contained in a lever 14 and which is spring biased towards the surface of the ratchet wheel 10.
  • Lever 14 is rotatably mounted on the shaft 6 and has a bifurcated arm 18 which is pivotally connected to a link 20. This link, in turn, is pivotally connected to the end of a piston rod 22 of a pneumatic piston-cylinder 24. It will be understood that upon leftward movement of the piston rod 22 from the piston of FIG- URE 7, the shaft 6 will be rotated through an angle of 90 in a counterclockwise direction and that the transfer device 4 will be indexed by the same amount.
  • a four lobe cam 11 is mounted on shaft 6 behind the ratchet wheel 10. This cam closes a small switch 13 after indexing of the transfer plate to admit compressed air to the right-hand side of a cylinder 76 which controls the feeding of the strip as described below.
  • the transfer plate 4 is of the general type disclosed and claimed in application Ser. No. 423,565, filed Jan. 5, 1965, now Patent No. 3,329,002, by Glendon H. Schwalm, and comprises a relatively thick center plate 26 and a pair of face plates 28 on each side of the center plate. As shown in FIGURES 2A and 5, notches 30 extend through the plates 26, 28 adjacent to each of the corners thereof, the width of these notches being sufficient to accommodate the hood portion 152 of one of the terminals 150.
  • the combined thickness of the plates 26, 28 is such that when a terminal is gripped in one of the notches, the pin portion 156 of the terminal Will project rearwardly while the crimp portion 154 will project forwardly to permit simultaneous crimping of both ends of the terminal as will be explained more fully below.
  • clamping dogs 32 each of which has a base portion '34 slidably contained in a suitable recess in the center Plate 30, see FIGURE 5.
  • the base portion of each dog is resiliently biased by a spring 36 in a manner such that the dog is urged towards the side 38 of the notch 30 and the length of the base portion of each dog is such that its end 50 projects beyond the upper side (as viewed in FIGURE 5) of the plate when a terminal is clamped in the notch.
  • the clamping dog 32 can be held in its retracted position against the biasing force of the spring 36 by means of a latch 42 pivoted intermediate its ends at 44 in a recess 40 adjacent to the notch 30.
  • Each of these latches has a hooked end 46 for engagement with a shoulder 48 of the associated clamping dog and each latch is resiliently biased by a spring 45 in a counterclockwise direction, again as viewed in FIGURE 5, so that its hooked end will be retained against the shoulder to hold the clamping dog in its retracted positon.
  • the clamping dog can be released by merely pressing on the lower end of the latch 42 as illustrated in FIGURE 5.
  • the terminal strip is fed from a reel (not specifically shown) over the surface of a platform 52 mounted above the surface of the plate 2 by suitable support plates 54, 56.
  • the feed path for the terminal strip is defined by guide bars, one of which 58 is mounted between the sides of the platform 52 and extends towards the loading station.
  • Guide bar 58 has a laterally extending flange 59 which is adapted to extend over the carrier strip 158, see FIGURE 3.
  • the right-hand side of the strip as viewed in FIGURE 3 is guided over the surface of the platform by a bar 60 also secured to the upper surface of plate 52.
  • the rearward ends of the crimp portions 154 of the terminals bear against a spring biased aligning bar 66.
  • the terminal strip is fed towards the loading station by a reciprocable feed slide 70 on the underside of the platform 52.
  • This feed slide is guided along its path of reciprocation by suitable gibs 71 and is connected by means of a link '72 to the end of a piston rod 74 of a double acting pneumatic piston-cylinder 76.
  • the terminal strip is pushed by a lever 80 pivoted to the slide 70 on a pin 81.
  • Lever 80 has an upwardly extending finger 78 which projects through a suitable slot of the plate 52 and which engages the terminal strip immediately in front of the hood portion 152 of the second terminal from the end of the strip.
  • the lever 80 has an obliquely extending arm 84 having a concave end 86 which is adapted to engage the hood portion of the leading terminal of the strip which is being fed to the transfer device. It should be mentioned that if the terminal being fed extends perfectly normally of the carrier strip, that is, if it is not misaligned in any way, the end 86 of the arm 84 will not engage the hood portion of the terminal and feeding will take place by the pushing effect of the finger 78. If, however, the terminal should be slightly misaligned, that is, if it should extend slightly obliquely with respect to the carrier strip, the arm 84 will engage the terminal and straighten it with respect to the carrier strip.
  • the pin 81 extends through the slide 70 and has a laterally extending lever 83 secured to its projecting end as shown in FIGURE 1.
  • a spring 85 extends between the lower end of the lever and a fixed pin in the face plate of the slide 70 thereby to bias the pin 81 in a clockwise direction as viewed in FIGURES l and 5 while permitting counterclockwise movement of the pin so that the feed slide 70, the feed finger 78 and the arm 84 can be moved rightwardly in FIGURE 5 and beneath the leading terminal of the strip.
  • a screw 69 on its lower side engages a manual valve 73 in plate 54 which controls the supply of compressed air to the cylinder 24.
  • a bracket 88 (FIGURE 5) is secured by suitable fasteners to the underside of the feed slide 70 and has a pair of pins 90, 92 extending from its left-hand or forward end.
  • the pin 90 is adapted to engage the lower end of the latch lever 42 disposed at the loading station thereby to release the clamping dog 32 concomitantly with feeding of a terminal into the notch of the transfer plate.
  • the pin 92 is adapted to enter a drilled hole 93 in plate 26 adjacent to the recess 40 thereby to precisely position the transfer plate relative to the strip and to lock the transfer plate in a precisely predetermined position during crimping of the terminal disposed in the crimping station.
  • the terminal which has been fed into the notch disposed in the loading station is severed from the carrier strip 158 by means of a severing block 94 (FIGURE 4) which cooperates with a fixed severing :block 91 on a support block 97.
  • the shearing member 94 is secured to the upper side of a floating block 96 which is biased upwardly by a spring 98 and which is contained between the block 91 and a plate on the rearward side of the floating block 96. Upward movement of the block 96 is limited by means of a pin which is mounted in block 96 and extends into a slot in plate 95.
  • the upper end of the floating block and the end of the shearing plate 94 are depressed by means of a lever 100 pivotally mounted between a pair of upstanding plates 102 disposed rightwardly and rearwardly (as viewed in FIGURE 1) of the floating block 96.
  • the lever 100 has an extension 101 which is adapted to be engaged by a screw 104 depending from a frame 106 mounted on the press ram, the arrangement being such that upon downward movement of the ram, the lever 100 is moved downwardly about its pivotal axis thereby to depress the floating block 96 and the shearing blade 94 relative to the block 100 as shown in FIGURES 8 and 9.
  • the crimping station comprises two sets of crimping dies, one set being disposed on each side of transfer plate 4.
  • a fixed crimping die 110 is mounted in a plate 114 secured in turn in a plate 116 in front of the transfer plate 4.
  • This fixed crimping die cooperates with a movable crimping die 111 (see FIGURE 10) on the lower end of a plate 118.
  • the plate 118 bears against a wedge plate 120 which in turn bears against a plate 122 secured to ram 108, the arrangement being such that the movable die 111 can be adjusted by turning the screw 119.
  • the dies 110, 111 comprise a plurality of relative thin plates as generally disclosed in US. latent 2,639,754.
  • the fixed crimping die 112 for crimping the pin portion of the terminal is disposed behind the transfer plate on a suitable mounting block 121 and the cooperating movable die 113 is mounted on the lower end of a mounting block 126 to the ram 108. Again, a wedge-type adjustment indicated at 124 is provided to adjust the portion of the die 113 relative to the ram.
  • the dies 112, 113 are of a general type disclosed in US. Patent 2,921,618 and comprise a plurality of indentors which are cammed through a suitable housing block.
  • the terminal which has been delivered to the crimping station is held by the transfer mechanism with its ends 154, 156 located in the fixed crimping dies of the two die sets.
  • the transfer mechanism After the operator has inserted the Wire, and before the movable dies have bottomed with respect to the fixed dies, it is desirable to release the terminal from the transfer device in order that it might be permitted to shift its position when the dies bottom. Release of the terminal at the time of crimping is accomplished by a camming bar 140 depending from the mounting frame 106 which engages a cam roller 138 on the end of the lever 136.
  • This lever is secured to a shaft 132 which extends through a block 134 and a second lever 130 ismounted on the projecting end of the shaft.
  • a screw 128 is threaded through the upper end of the lever'1'30 for engagement with the projecting portion 50 of the clamping dog disposed in the crimping station.
  • the lever 130 is normally biased in a counterclockwise direction as viewed in FIGURE '1 by a spring 142 which acts betweenthe-lower end of the lever and a surface of the block 134.
  • the shaft 132 Upon downward movement of the ram, the shaft 132 is thus swung through a slight clockwise are by the camming bar 140 thereby to move the end of the screw 128 against the projecting portion of the clamping dog and release the terminal being crimped from clamped engagement with the notch in which it is positioned.
  • the latching mechanism 42 automatically engages the dog and holds it in its opened position until it moves to the loading station at which time it is closed into engagement with the fed terminal as previously described.
  • the parts are normally in the positions of FIGURES 1 and 2 with the press ram in its raised position, with a severed terminal clamped in the transfer plate at the crimping station, and with a previously fed terminal clamped in the transferring device at the loading station. This previously fed terminal at the loading station will not have been severed from the strip.
  • Depression of the shear block 94 has the effect of severing the terminal from the ladder strip as shown in FIGURES 8 and 9 and the further effect of severing the carrier strip 158.
  • the actual location at which the carrier strip is severed is indicated in FIGURE 1 at 99.
  • the severed short section of the carrier strip falls down the inclined surface of block 8.
  • the feed slide is actuated by a suitable switch on the press ram or fly wheel which supplies compressed air to the forward end of the piston-cylinder 76 thereby causing rightward movement of the feed slide from the positions of FIGURES 1 and 2.
  • This retraction of the feed slide preferably takes place after the press ram has passed through its bottom dead center portion and while it is returning to its raised position.
  • its right-hand end engages the manual valve 73 in the plate 54 thereby supplying compressed air to the right-hand side of the cylinder 24 and causing leftward movement of the piston rod 22 and counterclockwise movement of the lever 14.
  • Such movement of the lever 14 results in indexing of the transfer plate through an angle of 90 so that the previously severed terminal is moved to the crimping station preparatory to the next operating cycle.
  • An electrical terminal applicator for applying terminals onto the ends of wires, said terminals being in sideby-side strip form with each terminal being integral with a carrier strip and extending laterally on each side or said carrier strip, said applicator comprising, a square transfer plate having a notch adjacent to each of its corners, latch means in each of said notches for latching a terminal therein, a loading station for loading terminals in said transfer plate and a crimping station, means for feeding said strip towards said loading station to position the leading terminal of said strip in the notch disposed at said loading station with said carrier strip extending beside said plate, shearing means beside said loading station for shearing said leading terminal from said strip, a crimping station comprising two crimping die sets, said die sets being disposed on opposite sides of said plate at said crimping station, means for indexing said plate thereby to transfer said leading terminal from said loading station to said crimping station, and means for substantially simultaneously closing said latch means at said loading station, actuating said severing means
  • An electrical terminal applicator for applying terminals onto the ends of wires, said terminals being in sideby-side strip form with each terminal being integral with a carrier strip and extending laterally on each side of said carrier strip, said apparatus comprising, a square transfer plate having a notch adjacent to each of its corners, gripping means in each of said notches for gripping a terminal intermediate its ends, a loading station and a crimping station, means for feeding a strip of said terminals towards said loading station to position the leading terminal of said strip in the notch disposed at said loading station with its axis extending normally of the plane of said plate and with adjacent portions of said carrier strip disposed beside said plate, shearing means disposed at said loading station and beside said plate for shearing said leading terminal from said strip upon placement of said leading terminal in said notch, first and second crimping die sets disposed on opposite sides of said plate at said crimping station, said die sets being adapted to crimp the ends of a terminal onto a wire, each of said die sets comprising
  • Apparatus as set forth in claim 2 including means for engaging said gripping means at said loading station with the terminal fed into said notch at said loading station, and means for disengaging said gripping means at said crimping station from the terminal at said crimping station concomitantly with crimping.
  • Apparatus for severing contact devices and crimping the severed contact device onto a Wire comprising a transfer plate rotatable in its own plane, a recess adjacent to each of the corners of said plate, a loading station and a crimping station, means for feeding said strip towards said loading station to position said leading contact in the recess disposed at said loading station, a shearing means disposed beside said loading station for shearing said leading contact from said strip concomitantly with loading, a set of fixed crimping dies on each side of said plate at said crimping station, a press ram, movable crimping dies on said ram cooperable With said References Cited UNITED STATES PATENTS 3/1959 Herman et a1. 7242l 1/1963 Kerns 29-203 CHARLES W. LANHAM, Primary Examiner. E. SUTTON, Assistant Examiner.

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Manufacturing Of Electrical Connectors (AREA)
US441225A 1965-03-19 1965-03-19 Terminal applicator Expired - Lifetime US3359780A (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
US441225A US3359780A (en) 1965-03-19 1965-03-19 Terminal applicator
GB9273/66A GB1068224A (en) 1965-03-19 1966-03-03 Electrical connector crimping apparatus
FR52971A FR1470990A (fr) 1965-03-19 1966-03-10 Machine à sertir des connecteurs électriques
DE19661565969 DE1565969A1 (de) 1965-03-19 1966-03-11 Geraet zum Anwuergen elektrischer Verbinder
NL6603341A NL6603341A (enrdf_load_stackoverflow) 1965-03-19 1966-03-15
SE3662/66A SE313097B (enrdf_load_stackoverflow) 1965-03-19 1966-03-18
ES0324383A ES324383A1 (es) 1965-03-19 1966-03-18 Un aparato para recalcar sobre conductores conectadores electricos dispuestos lado a lado en una tira portadora.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US441225A US3359780A (en) 1965-03-19 1965-03-19 Terminal applicator

Publications (1)

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US3359780A true US3359780A (en) 1967-12-26

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Application Number Title Priority Date Filing Date
US441225A Expired - Lifetime US3359780A (en) 1965-03-19 1965-03-19 Terminal applicator

Country Status (7)

Country Link
US (1) US3359780A (enrdf_load_stackoverflow)
DE (1) DE1565969A1 (enrdf_load_stackoverflow)
ES (1) ES324383A1 (enrdf_load_stackoverflow)
FR (1) FR1470990A (enrdf_load_stackoverflow)
GB (1) GB1068224A (enrdf_load_stackoverflow)
NL (1) NL6603341A (enrdf_load_stackoverflow)
SE (1) SE313097B (enrdf_load_stackoverflow)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3484922A (en) * 1967-10-30 1969-12-23 Amp Inc Crimping apparatus for coaxial terminals in strip form
US3496626A (en) * 1967-02-15 1970-02-24 Amp Inc Terminal applicator having terminal bending means
CN104143747A (zh) * 2014-08-22 2014-11-12 苏州昌飞自动化设备厂 大型电热棒双头旋转压接机的旋转压接装置

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ATE43939T1 (de) * 1984-03-09 1989-06-15 Zoller & Froehlich Maschine zum aufquetschbestuecken von kabeladerenden mit aderendhuelsen od. dgl. anschlusselementen.
CN112003101A (zh) * 2020-08-27 2020-11-27 安徽新聚碳纤维有限公司 一种插针的保护输送装置

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2876452A (en) * 1954-10-27 1959-03-10 Electrix Corp Automatic assembly apparatus
US3071174A (en) * 1960-01-04 1963-01-01 Amp Inc Transfer device

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2876452A (en) * 1954-10-27 1959-03-10 Electrix Corp Automatic assembly apparatus
US3071174A (en) * 1960-01-04 1963-01-01 Amp Inc Transfer device

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3496626A (en) * 1967-02-15 1970-02-24 Amp Inc Terminal applicator having terminal bending means
US3484922A (en) * 1967-10-30 1969-12-23 Amp Inc Crimping apparatus for coaxial terminals in strip form
CN104143747A (zh) * 2014-08-22 2014-11-12 苏州昌飞自动化设备厂 大型电热棒双头旋转压接机的旋转压接装置

Also Published As

Publication number Publication date
SE313097B (enrdf_load_stackoverflow) 1969-08-04
GB1068224A (en) 1967-05-10
FR1470990A (fr) 1967-02-24
ES324383A1 (es) 1967-02-01
NL6603341A (enrdf_load_stackoverflow) 1966-09-20
DE1565969A1 (de) 1970-05-06

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