US1771927A - Coiling machine for fine wire - Google Patents

Coiling machine for fine wire Download PDF

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Publication number
US1771927A
US1771927A US649784A US64978423A US1771927A US 1771927 A US1771927 A US 1771927A US 649784 A US649784 A US 649784A US 64978423 A US64978423 A US 64978423A US 1771927 A US1771927 A US 1771927A
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US
United States
Prior art keywords
mandrel
wire
coil
shaft
coiling
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
US649784A
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English (en)
Inventor
Illingworth George
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.)
General Electric Co
Original Assignee
General Electric Co
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
Priority to NL17132D priority Critical patent/NL17132C/xx
Application filed by General Electric Co filed Critical General Electric Co
Priority to US649784A priority patent/US1771927A/en
Priority to GB16117/24A priority patent/GB218674A/en
Application granted granted Critical
Publication of US1771927A publication Critical patent/US1771927A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01K—ELECTRIC INCANDESCENT LAMPS
    • H01K3/00—Apparatus or processes adapted to the manufacture, installing, removal, or maintenance of incandescent lamps or parts thereof
    • H01K3/02—Manufacture of incandescent bodies
    • H01K3/04—Machines therefor

Definitions

  • My invention relates to apparatus for shaping fine Wires into coils such as are used for filaments for incandescent electric lamps and parts of other similar electrical devices. It
  • Fig. 1 is a plan view of my improved coiling machine; Fig. 2 is an enlarged plan view of the more important parts; Fig. 3 is a front elevation of the bending or shaping means; Fig. 4 is a side elevation thereof; Fig. 5 is a fragmentary elevation thereof on an enlarged scale; Fig. 6 is a side elevation of a portion of the machine; Fig. 7 is a front view of the filament wire head; Fig. 8 is a vertical longitudinal section; Fig. 9 is a longitudinal vertical section of a portion of a turret showing the mandrel and its support; Fig. 10 is an elevation of the filament cutting means; Fig. 11 is an end elevation of the machine; Fig. 12 is a side elevation showing mechanism operating on the filament wire head; and Fig. 13 comprises enlarged elevations of the coil before and after shaping.
  • FIG. 1 In the drawing I have illustrated a machine which is provided with two oppositely disposed holding means A for the filament wire reels 10.
  • the two holders A form part of a filament wire coiling means which cooperate with the mandrel advancing and retracting means B of which there are four spaced at substantially 90 from each other on a turret C.
  • a coil severing means D is provided for each holder A.
  • the machine further. comprises oppositely disposed similar filament shaping means E to which the severed coil is carried by the rotation of the turret C.
  • the arrangement is such that while the shaping mechanisms E are operating on filaments which have already been coiled, other mandrels have been moved into operative relation with the heads A and filaments are being coiled. Inasmuch as there are a plurality of the mechanisms, A, B, D and E, a description will be made of one of each which will apply to the others.
  • the filament wire reel 10 is removably mounted in the holder 11 which is carried by the head 12.
  • the filament wire 10' passes through an aperture 13 (Fig. 8) in the closed end of the head and projects beyond the same a short distance, being retained in position by a spring pressed gripping means 14.
  • the corresponding end of the mandrel operating mechanism B comprises a pairof jaws 15, 16 which are pivoted at 17 on a framework supported on the turret C and carry at the rear rollers 18, 19 which enga e a wedge 20.
  • a spring 20' holds thesaid rollers against the wedge 20.
  • the wedge 20 is mounted upon the clamp plate 21 which removably holds the mandrel 22. reciprocated back and forth through an ap-' erture 23 in the end of jaw 16 when in closed position.
  • the mandrel is reciprocated by The said mandrel is v filament.
  • the cam plate 24 which has a slot 25 into which the roller 26 extends.
  • the clamp plate 21 which carries the mandrel 22 is connected to the roller 26 through the sliding bearing 26' by means of pins 26" and is operated independently of the wedge 20 during certain stages of operation.
  • the wedge 20 is carried by a rod 21 which extends through the bearing 26 and has attached to its opposite end thereof a block 22. The wedge 20 is retracted only when the bearing 26 strikes against the block 22 which forces the wedge.
  • the turret C assumes a position so that jaws 15 and 16 are lined up with the aperture 13 of the head 12 which carries the filament wire, the latter advances toward the said jaws bringing an end of the filament Wire between them and they are immediately closed b the advance of the wedge 20.
  • the portion of the wire thus clamped between the jaws 1516 forms one leg or plain section of the filament.
  • the continuation of this advance movement causes the mandrel to pass through the aperture 23.
  • the wire head then rotates to coil the filament on the mandrel being at the same time retracted until the proper length of coiled filament has been formed.
  • the main drive comprises a pulley 28 on shaft 29 which carries at its inner end a bevel gear 30.
  • the latter engages two bevel gears31 and 32 on aligned shafts 33 and 34 res ectively.
  • Shaft 33 revolves the coiling head at one side of the machine while shaft 34 accomplishes a similar function at the other side. I will describe one side only.
  • pinion 35 which meshes with pinion 36.'
  • pinion 37 mounted on shaft 38 which is connected through clutch 39 to a shaft 40 keyed to which is the wide gear wheel 41.
  • the latter engag s the narrow gear 42 keyed to the shaft 43 (Fig. 12) carried in hearings in standards 44 and 45, said shaft carrying at its inner end the head 12.
  • the reciprocation of the head 12.and the starting and sto ping of its rotation are secured by the ollowing mechanism.
  • the shaft 34 carries a small pinion 46 (Fig. 1) which meshes with a large gear 47 carried on shaft 48 (Fig. 11).
  • Shaft 48 carries at its inner end a bevel gear 49 (Fig. 6) which meshes with bevel gear 50 on vertical shaft 51 supported in bracket 52 and extending up through the bed K of the machine and has a bevelgear 53 at its upper end. The latter engages a bevel gear 54 mounted on the shaft 55.
  • the shaft 55 may be termed the main actuating shaft since it operates the coil reciprocating mechanisms, the mandrel and gripper jaw mechanisms, the shaping mechanism, the severing mechanism and turret revolving mechanism. It rotates continuously and extends entirely across the machine and is carried in hearings in standards 55. It also carries cams which actuate the clutches in the coil head revolving mechanism.
  • the reciprocation of the Wire head 12 is accomplished as follows: As shown in Fig. 1 the said head is in its extreme position to the left, which is the position it occupies when the jaws l5 and 16 have closed upon the end of the filament Wire.
  • Shaft 55 carries a wide gear 56 which meshes with gear 57. The latter is keyed on a hollow shaft 58 (Fig. 12) carried in the standards 44 and 45 and surrounding shaft 43.
  • Shaft 58 also carries cam 59 which engages a roller 60 adjustably mounted on standard 45.
  • a spring 61 surrounds shaft 58 and extends between standard 44 and gear 57 so that'the said shaft and attached parts are moved against and by reason of said spring by the action of roller 60 on cam 59.
  • the inner shaft 43 reciprocates with outer shaft 58 but rotates at intervals within the same. It carries the head 12 at one end and,
  • the clutch 39 is actuated through a forked arm 64 pivoted at 65 and having a roller .66 at one end engaging cam 67 on shaft 55.
  • a spring 68 holds the said roller against the cam surface.
  • the severing means' comprises two cutter discs 69 and 70 mounted on arms 71 and 72 respectively carried on shafts 73 and 74 supported in standard 75.
  • Shaft 74 carries pin- 1011 76 meshing with pinion 77 on shaft 73.
  • the opposite end of shaft 74 carries crank 78 to which is pivoted link 79 pivoted to arm 80 which is in turn pivoted at 81 to bracket 82 on the bed K of the machine.
  • Arm 80 has a roller 83 which engages a cam 84 on shaft 55.
  • a spring 80 attached to arm 80 and to the bed K of the machine serves to keep said roller against said cam and the cam causes the cutters to be brough together and separated in synchronism with the other operations of the machine.
  • cam plate 24 to advance and retract the mandrel 22 is secured as follows.
  • Said cam plate is mounted on shaft 85 (Fig. 6) extending through standard 86 and the bed K of the machine and carries at its lower end a crank 87 to which is pivoted bell crank 88, the other end of which is secured on a shaft 89 extending up through the bed K and having arm 90 at its upper end carrying roller 91 which engages the cam 92 on shaft 55.
  • a spring 93 serves to hold said roller against said cam.
  • the turret C is actuated as follows: Fastened to-shaft 55 is cam 94 bearing against roller 95 (Fig. 11) on bell crank 96 pivoted at 97 to bracket 97 on the bed K and having pivoted to its outer end the link 98 pivoted to arm 99, one end of which, 100, is pivoted to the bracket 52 and the other end of which, 101, is forked to engage collars 102 surround ing shaft 51 and working against spring 103.
  • the upper collar has a pin 104 which, when the collar is raised, enters an aperture in an arm 105 loosely mounted on shaft 51.
  • the opposite end of arm 105 carries a roller 106 which is adapted to enter slots 107 in a disc 108 thus constituting an intermittent Geneva drive.
  • the shaping mechanism is operated as follows:
  • the cam 109 on shaft 55 engages a roller 110 on a short shaft 111, said roller being held against said cam by spring 110'.
  • the arms 112 and. 113 are pivotally connected by shaft 111 and are pivoted in standards 114 and 115 respectively and operate similar shaping mechanisms on opposite sides of the machine. I will describe one of these similar mechanisms only.
  • the arm 113 has pivoted to its outer end a vertical rod 116, the upper end of which is pivoted to a rocker arm 117 pivoted at 118 and having arm 119 pivoted to its other end.
  • the lattci is pivoted to a vertically reciprocating member 120 working in standard 121 and carrying at its lower end a blade 122.
  • the coil is'deposited upon release from the jaws 15 and 16 upon an anvil 123 and supports 124.
  • the anvil is mounted on a block 125 slidably held in standard 121 and resting on spring 126.
  • the blade 122 is first forced downwardly to shape the coil as shown in Fi 13 and then raised to the position shown in igs. 3 to 5.
  • A'stripper 127 is provided to revent the coil from following the blade.
  • a et of air is directed through nozzle 128 to direct the shaped coil into the chute 129.
  • An automatic machine for forming coils from fine wire which comprises a mandrel, means for advancing said mandrel, means for advancing a wire toward said mandrel and substantially in line therewith, means for gripping an end of said wire, means for coiling said wire around said mandrel, means for retracting said mandrel after the formation of a coil, and means for releasing said gripping means to allow the removal of the completed coil.
  • An automatic machine for forming coils from fine wire which comprises a mandrel, means for advancing said mandrel, a holding means for a supply of wire, means for advancing said wire and holding means toward said mandreland substantially in line therewith, means for gripping an end of said wire, means for coiling said wire around said mandrel, means for retracting said mandrel after the formation of a coil, and means for releasing said gripping means to allow the removal of the completed coil.
  • An automatic machine for forming coils from fine wire which comprises a mandrel, means for advancing said mandrel, a holding means for a supply of wire, means for advancing said wire and holding means toward said mandrel and substantiall in line therewith, means for gripping an en of said wire, means for coiling said wire around said mandrel, means for retracting said wire holding means with respect to said gripping means during the coiling operation, means for retracting said mandrel after the formation of a coil, and means for releasing said gripping means to allow the removal of the completed coil.
  • An automatic machine for forming coils from fine wire which comprises a mandrel, means for advancing said mandrel, a holding means for a supply of wire, means for advancing said wire and holding means toward said mandrel and substantially in line therewith, means for gripping an end of said wire, means for c iling said wire around said mandrel, means for retracting said wire holding means with respect to said gripping means during the coilingfoperation, a coil cutting means and means for causing the same to operate after the retraction of the wire holdin means, means for retracting said mandrel a ter the formation of a coil, and means for releasing said gripping means to allow the removal of the completed coil.
  • An automatic machine for forming coils from fine wire which comprises a pair of grippirlg jaws, a mandrel and means for advancing the same in a line adjacent to and in the direction of the meeting plane of said jaws, a wire feeding means comprising means for bringing a wireend of said jaws, means for causing said jaws to grip said wire end, means for colling said wire around said mandrel when in advanced position, means for retracting said mandrel from the coil so formed and means for releasing said jaws to allow the removal of said coil.
  • An automatic machine for forming coils from fine wire which comprises a pair of gripping jaws, a mandrel and means for advancing the same in a line adjacent to and in the di* rection of the meeting plane of said jaws, a holding means for a supply of wire, means for causin said-jaws to grip a wire end, means for withdrawing wire from said holding means and coiling it around said mandrel when in advanced position, means for retracting said mandrel from the coil so formed and means for releasing said jaws to allow the removal of said coil.
  • An automatic machine for forming coils from fine wire which comprises a mandrel, means for advancing said mandrel, holding means for a supply of wire, means for rotating said wire holding means, means for advancing said wire and holding means toward said mandrel and substantially in line therewith, means for gripping an end of said wire, means for coiling said wire around said man.- drel, means for retracting said mandrel after the formation of a coil, and means for releasing said gripping means to allow the removal of the completed coil.
  • An automatic machine for forming coils from fine wire which comprises a mandrel, means for advancing said mandrel, holding means for a supply of wire, means for advancing said wire and holding means toward said mandrel and substantially in line therewith, means for gripping an end of said wire, means for coiling said wire around said mandrel, means for simultaneously rotating and retracting said wire holding means during the coiling operation, means for retracting said mandrel after the formation of a coil, and means for releasing said gripping means to allow the removal of the completed coil.
  • An automatic machine for forming coils suitable for use as filaments for electric incandescent lamps and similar devices which comprises a mandrel, means for holding a wire from said holding means and coiling it upon said mandrel, means for cutting oif the completed coil, means for shaping the completed coil, means for withdrawing said mandrel from said coil, and means whereby all of said means are caused to operate in a predetermined sequence.
  • An automatic machine for forming coils suitable for use as filaments for electric incandescent lamps and similar devices which comprises means for holding a supply of wire, a mandrel, means for withdrawing wire from said holding means and coiling it upon said mandrel, means for holding said mandrel stationary during the coiling operation, means for cutting ofi' a completed coil, means for withdrawing said mandrel from said coil, and means whereby all of said means are caused to operate in a predetermined sequence.
  • An automatic machine for forming coils suitable for use as filaments for electric incandescent lamps and similar devices which comprises a mandrel, means for coiling the filamentary wire upon said mandrel, means for holding said mandrel stationary during the coiling operation, means for shaping the completed coil, and means whereby all of said means are caused to operate in a predetermined sequence.
  • An automatic machine for forming coils suitable for use as filaments for electric incandescent lamps and similar devices which comprises a mandrel, means for coiling the filamentary wire upon said mandrel, means for holding said mandrel stationary during the coiling operation, means for withdrawing said mandrel from the completed coil, means for shapin the completed coil, and means whereby all of said means are caused to operate in a predetermined sequence.
  • An automatic machine for forming coils suitable for use as filaments for electrical incandescent lamps and similar devices which comprises means for holding a supply of wire, a mandrel, means for withdrawing wire from said holding means and coiling it upon said mandrel, means for holding said mandrel stationary during the coiling operation, means for cutting off a completed coil, means for shaping the completed coil, means for withdrawing said mandrel from said coil, and means whereby all. of said means are caused to operate in a predetermined sequence.
  • An automatic machine for forming coils suitable for use as filaments for electric incandescent lamps and similar devices which comprisesmeans for holding a supply of wire, a mandrel, means for advancing said wire and holding means toward said mandrel, means for grlppin an end of said wire, means for simultaneous y retracting and rotating said wire holding means during the coiling operation, means for cutting off a completed coil, means for withdrawingsaid mandrel from said coil, means for shaping the completed coil, and means whereby all of said means are caused to operate in a predetermined sequence.

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Wire Processing (AREA)
US649784A 1923-07-06 1923-07-06 Coiling machine for fine wire Expired - Lifetime US1771927A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
NL17132D NL17132C (xx) 1923-07-06
US649784A US1771927A (en) 1923-07-06 1923-07-06 Coiling machine for fine wire
GB16117/24A GB218674A (en) 1923-07-06 1924-07-04 Improvements in and relating to coiling machines for wire

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US649784A US1771927A (en) 1923-07-06 1923-07-06 Coiling machine for fine wire

Publications (1)

Publication Number Publication Date
US1771927A true US1771927A (en) 1930-07-29

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Application Number Title Priority Date Filing Date
US649784A Expired - Lifetime US1771927A (en) 1923-07-06 1923-07-06 Coiling machine for fine wire

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US (1) US1771927A (xx)
GB (1) GB218674A (xx)
NL (1) NL17132C (xx)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2454318A (en) * 1943-04-24 1948-11-23 Westinghouse Electric Corp Method of fabricating electron discharge devices
US2782809A (en) * 1954-01-25 1957-02-26 Genesee Machine Builders Inc Coil winding machine
US2783816A (en) * 1955-02-14 1957-03-05 Westinghouse Electric Corp Coiling die
US2788807A (en) * 1951-04-02 1957-04-16 Torrington Mfg Co Spring winding machine
CN102699414A (zh) * 2012-05-28 2012-10-03 李家凌 一种连续剪灯泡灯脚装置

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2454318A (en) * 1943-04-24 1948-11-23 Westinghouse Electric Corp Method of fabricating electron discharge devices
US2788807A (en) * 1951-04-02 1957-04-16 Torrington Mfg Co Spring winding machine
US2782809A (en) * 1954-01-25 1957-02-26 Genesee Machine Builders Inc Coil winding machine
US2783816A (en) * 1955-02-14 1957-03-05 Westinghouse Electric Corp Coiling die
CN102699414A (zh) * 2012-05-28 2012-10-03 李家凌 一种连续剪灯泡灯脚装置

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Publication number Publication date
GB218674A (en) 1925-10-05
NL17132C (xx)

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