US3065771A

US3065771A - Coil winding machine

Info

Publication number: US3065771A
Application number: US758226A
Authority: US
Inventors: Zinon C Possis; Wilbert E Johnson; Melvin J Straub
Original assignee: Possis Machine Corp
Current assignee: Micafil Inc
Priority date: 1958-09-02
Filing date: 1958-09-02
Publication date: 1962-11-27
Anticipated expiration: 1979-11-27

Description

Nov. 27, 1962 z. c. POSSIS ETAL 3,065,771 COIL WINDING MACHINE Filed Sept. 2, 1958 2 Sheets-Sheet 1 FIG. 1

W MM

Nov. 27, 1962 2. c. POSSIS ETAL 3,065,771

COIL WINDING MACHINE Filed Sept. 2, 1958 2 Sheets-Sheet 2 INVENTOKS' Z/NO/V C. Poss/ W/ILBERT E Jbmvw/v BY MEL I/l/V .Z'J'TRAuB This invention relates to a machine for Winding coils. More particularly, this invention relates to a machine for producing coils comprised of a plurality of wires having either the same or different number of turns although coils of the single wire strand may be produced.

The principal object of this invention is to provide an apparatus for winding a plurality of wires around a form or winding block for the manfacture of Wire coils in which the number of turns of the several wires are in a predetermined relationship.

A further object of this invention is to provide a coil winding apparatus including a planetary gear drive and a plurality of spinners adapted to be driven at different velocities.

Other objects of the invention will become apparent as the description proceeds.

To the accomplishment of the foregoing and related ends, this invention then comprises the features hereinafter fully described and particularly pointed out in the claims, the following description setting forth in detail certain illustrative embodiments of the invention, these being indicative, however, of but a few of the various ways in which the principles of the invention may be employed.

The invention is illustrated by the drawings in which the same numerals refer to corresponding parts and in which:

FIGURE 1 is an elevation of the coil winding machine according to this invention;

FIGURE 2 is an enlarged elevation in vertical section of the planetary gear drive mechanism of the coil winding machine;

FIGURE 2A is a reduced and somewhat simplified diagrammatic sectional view taken on the line 2A-2A of FIGURE 2 and in the direction of the arrows showing the arrangement of the planetary gear assembly; and

FIGURE 3 is a plan View, partly in section, taken on the line 3-3 of FIGURE 1 and showing the relation of wire spinners and coil winding form.

Referring to the drawings, the coil winding machine according to this invention includes a rotary turntable 10 mounted for rotation on a standard 11 supported on a suitable base 12. A coil winding form or block, indicated generally at 13, is secured to the top of the turntable ill. Supported above the work table Iii is an open frame-like housing, indicated generally at 14, and comprised of a bottom plate member 15, a top plate member 16 and an end panel 17.

A planetary gear drive assembly, indicated generally at 18, is supported in the housing 14 between the bottom and top plates 15 and 16. The gear assembly includes an inner shaft 19 having a central longitudinal opening 20 and journalled by

suitable bearing structures

21 and 22 for rotation within a tubular outer shaft 23. Shaft 19 is provided with a centrally disposed pinion 24 which acts as a sun gear. Suitable packing 25 is fitted around the shaft 19 in the lower end of the tubular shaft 23.

The lower end of the tubular shaft 23 is journalled in a suitable bearing structure 27 supported in a flanged annular plate 28 secured by means of bolts 29 or equivalent fastening means to the bottom plate 15 of the frame 14. The upper end of the outer tubular shaft 23 is journalled for rotation in a suitable bearing structure 30 held in an 3,65,??1 Patented Nov. 27, 1952 annular plate 31 secured as by bolts 32 or equivalent means to the top plate 16 of the housing 14. An intermediate portion 33 of the outer tubular shaft 23 is substantially thicker and of greater diameter than the remainder of the tubular shaft.

\A plurality of radial openings or horizontal slots are provided evenly spaced about the thicker portion 33 of the outer shaft 23 communicating with the hollow interior of the outer shaft 23. A planetary pinion gear 35 is journalled to rotate on a pin 36 in each of the openings to mesh with the sun gear 24 on the inner shaft 19. A ring gear 37 is mounted in a two-part gear housing 3-839 to mesh with the teeth of each of the planetary gears .35. The gear housing 38-39 is mounted for rotation about the outer tubular shaft 23 by means of two bushings or sleeves 4i and 41 of bearing material and two

annular bushing rings

42 and 43 of bearing material positioned between the inside wall surfaces of the housing 38-39 and the outer surfaces of the outer tubular shaft 23.

The top portion 38 and the bottom portion 39 of the gear housing and the ring gear 37 are secured together to move as a unit, as by means of bolts 44. A drivev sprocket 45 is secured to the gear housing 38-39, as by means of a bolt 46. A ring of packing 47 is interposed between the bottom of the gear housing 39 and the outer tubular shaft 23. A second drive spocket 48 is secured to the outer tubular shaft 23, as by means of key 49 held by a set screw 50. A longitudinal aperature 51 extends the length of the outer shaft 23 through its side wall. Sprocket 45 is driven by a chain drive 52, and sprocket 48 is driven by a chain drive 53, from suitable motor means not shown. The sprockets may be driven either at the same or different rates depending upon the desired structure of the coil to be produced, as pointed out in greater detail hereinafter.

It will be noted that when sprocket 45 is driven, the gear housing 3839 and ring gear 37 are driven with it at the same rate. Ring gear 37 drives the planetary pinion gears 35, which in turn drive the sun gear 24 to rotate the inner shaft 19 in the opposite direction. When drive sprocket 48 is driven it causes rotation of the outer tubular shaft 23. Rotation of

shafts

19 and 23 causes spinners to deposits wire about the coil forming block 13, as described hereinafter. throughout the specification and claims of this application that the term wire is not limited to Wire of circular cross section but compreheuds circular, square, rectangular, etc. cross section.

A reeel or spool 54 of wire 55 is supported for rotation on a shaft 56, supported in turn between the free ends of a yoke 57, carried by a sleeve 58 secured, as by means of a set screw 59, to the upper end of inner shaft 19 for rotation with that shaft. Wire 55 extends from the reel or spool 54 through the aperture 20 through the the shaft 19. The spiner arm 60 is clamped to the bottom the shaft. The spinner arm 60 is clamped to the bottom end of the shaft 19 for rotation therewith and extends angularly downwardly and outwardly from the bottom of the shaft.

The spinner 60 is provided with a plurality of

idlers

62 and 63 disposed to rotate in a vertical plane in which the wire aperture 29 lines. Pulley 62 is disposed to rotate in a vertical slot at the bottom end of shaft 19 to receive wire 55 from aperture 20. Another idler 64 is disposed adjacent the foot of the spinner to rotate in a vertical plane substantially perpendicular to the first. A further idler or guide roller 65 disposed to rotate in a horizontal plane is provided at the lower extremity of the spinner arm 60 below the idler 64 and adjacent the perimeter of the winding block 13 to play out the wire 55. As shaft 19 is rotated, the sleeve 58, yoke 57, and wire reel 54 are rotated with it and, at the same time, spinner arm 60 It is to be understoodis rotated with the shaft and guide roller 65 is revolved about the coil winding block 13 to wind the wire 55 drawn from the reel 54 around the block to form a coil.

An arcuate arm 66 is secured to and extends upwardly from a collar 67 which is clamped to the upper end of the outer tubular shaft 23. Arm 66 is arcuate to carry it out of the path of rotation of the wire reel 54 and yoke 57. The upper extremity of the arm 66 is provided with a guide channel or eyelet 68 which is substantially coaxial with the

shafts

19 and 23. The guide channel 68 is disposed below a suitable support for a second reel or swift of wire, which is not shown but which is similar to wire reel 54 and is similarly mounted to permit the wire to be drawn from it. A plurality of guide rollers or idlers 79 are provided along the length of the arcuate arm 66 to guide the wire 69 along the arm to the upper end of the wire channel 51 through the tubular shaft 23.

A second spinner arm 72 is clamped to the bottom end of the outer shaft 23 for rotation therewith. Spinner arm 72 extends angularly outwardly and downwardly and is provided with a pair of vertically disposed

idlers

73 and 74 lying in a radial plane, a vertically disposed idler 75 lying in a plane perpendicular to the plane of idlers '73 and 74, and a horizontally disposed idler 76 at the outer extremity of the spinner to guide wire 69 to the winding block 13. The horizontal idler 76 lies in substantially the same plane as the horizontal idler 65 to play out the wire 69 simultaneously with wire 55. The spinner arm 72 is somewhat longer than the spinner arm 60 and the horizontal idler 76 is spaced outwardly from the winding block by a distance which permits clearance between the two spinner arms as they rotate about the winding block in the same direction at different speeds or in opposite directions.

According to preferred practice as shown in FIGURE 3, both spinner

arms

60 and 72 rotate in the same direction so that both

wires

55 and 69 are wound about the coil forming block 13 in the same direction. The horizontally disposed

idler

65 and 76 are positioned on the leading edges of the free ends of the spinner arms. In order to drive the smaller inner spinner arm 60 in a clockwise direction as indicated, drive sprocket 4-5, gear housing 38-39 and ring gear 37 must be driven in a counter-clockwise direction by chain drive 52. Counterclockwise rotation of the ring gear 37 necessarily causes counter-clockwise rotation of the planetary gears 35 which in turn rotate sun gear 24 and shaft 19 clockwise. The larger outer spinner 72 is driven in the same direction as the spinner arm 6%) by direct drive of the outer tubular shaft 23, to which it is secured, by drive sprocket 48 and chain drive 53.

Although it is preferred that both spinners be driven in the same direction this is not essential and if desired, they may be driven in opposite directions. The rates of rotation of the spinner arms depend upon the desired relative number of turns of the wires to be applied by each of the spinners. If the coil is to be comprised of two wires each having an equal number of turns both spinners are driven at the same rate so that the free ends of the spinner arms make an equal number of revolutions about the winding form 13. If the coil is to be comprised of two wires having an unequal number of turns then one of the spinners must be driven at a relatively faster or slower rate to produce the desired relationship between the wires. Where the coils are comprised of wires having an equal number of turns and the spinners are to be rotated at the same rate of speed, the inner shaft 19 and outer shaft 23 can be locked together to rotate together at the same speed driven by a single drive means.

The winding form or block 13 is formed of mated top and

bottom portions

80 and 81. A peripheral groove 82 is formed at the interface between the top and bottom segments of the winding block to receive and position the wire as it is spunonto the winding block by the spin-- ners. To facilitate later removal of the coil, all of the groove 82 is formed in the topsegment of the winding block to provide a supporting shoulder 83 (FIG. 3) of size and shape corresponding generally to the desired size and shape of the coils to be wound. A plurality of relatively wide vertical channels 84, extending at least as deep as the shoulder 83 and preferably substantially deeper, are provided on opposite sides of the winding form 13 to facilitate taping of the coil as described in our copending application Serial No. 802,463, filed March 27, 1959. The winding block 13 is mounted so as to be stationary with respect to the turntable 10 but is preferably easily removable to facilitate substitution of other winding blocks of different sizes and shapes. The upper and lower portions of the winding form are maintained aligned by means of pins and corresponding sockets.

A cutter arm 85 extends downward from the frame 14 above the center of the turntable 10. The cutter arm 85 is provided with a notch 86 which receives and holds the ends of the wires of a finished coil for cutting upon rotation of the turntable and winding block away from the winding position after taping, as described in our copending application Serial No. 802,463, filed March 27, 1959, and before ejection, as described in our copending application Serial No. 758,227, filed September 2, 1958. As the turntable 10 rotates, it carries a completed coil on the winding block away from the winding station under the spinners and permits the wires comprising the coil to be severed together adjacent one end or side of the coil.

The reel or spool from which wire 69 is drawn into the spinner mechanism may, if desired, be mounted on arcuate arm 66 to rotate with that arm. If this is not done and the spool or reel is merely supported above the arm 66 independently of it, the wire 69 will tend to twist somewhat although, in most instances, the twist is not excessive and is not particularly objectionable. It will be understood that the turntable 10 is provided with means for rotating it and indexing it with respect to the coil winding station. These elements are conventional and per se form no part of the present invention.

It is apparent that many modifications and variations of this invention as hereinbefore set forth may be made without departing from the spirit and scope thereof. The specific embodiments described are given by way of example only and the invention is limited only by the terms of the appended claims.

What is claimed is:

1. In a coil winding machine adapted to form a coil composed of a plurality of wires, a coil forming and support means disposed on a horizontal turntable adapted for rotation in a horizontal plane, a plurality of spinners mounted for rotation on a vertical axis co-axial with said coil support at one indexed position of said turntable, wire playing means on the ends of said spinners for revolution about said coil support in a horizontal plane upon rotation of said spinners, one of said spinners being secured to rotate at the bottom end of an inner vertical shaft, a pinion sun drive gear on said inner shaft, the other of said spinners being secured to rotate at the bottom end of an outer vertical tubular shaft co-axial with the first shaft and disposed around it, at least one pinion planetary drive gear whose teeth mesh with said sun gear on said outer tubular shaft, a horizontal ring gear disposed about said planetary and sun gears whose teeth mesh with the teeth of said planetary gear, a gear housing enclosing said ring gear and adapted to rotate with said ring gear about said tubular shaft, drive means for rotating said gear housing and ring gear and separate drive means for rotating said outer tubular shaft, wire supply means disposed above the upper ends of said vertical shafts, one of said wire supply means being adapted to rotate with said inner shaft, and longitudinal vertical apertures through each of said vertical shafts for passage of wire from said wire supply means to said spinners.

2. A coil winding machine according to claim "1 further characterized in that each of said spinners includes a plurality of guide pulleys disposed to rotate in a vertical plane and said Wire playing means is a guide pulley at the free end of said spinner arm disposed to rotate in a horizontal plane while revolving about said coil support means.

3. A coil winding machine according to claim 1 further characterized in that said coil support means comprises a block corresponding generally in size and shape to the desired size and shape of said coil to be wound including a mated top and bottom portion joined at a horizontal interface, a peripheral groove formed in the top portion of the block immediately adjacent to the interface and a plurality of relatively wide vertical channels on opposite sides of the block extending at least as deep as the peripheral groove.

4. A coil winding machine according to claim 1 further characterized in that said outer tubular shaft is provided with a plurality of three planetary gears uniformly arrayed about said sun gear and whose teeth mesh with both said sun gear and said ring gear.

5. In a coil winding machine, a coil forming and support means, a plurality of spinners mounted for rotation co-axial with said coil support, wire playing means on the ends of said spinners for revolution about said coil support means upon rotation of said spinners, means for supplying wire to said spinners and means for rotating said spinners, means for independently driving said spinners, one of said spinners is secured to rotate at the end of an inner shaft and the other spinner is secured to rotate at the end of an outer tubular shaft co-axial with the first shaft, a pinion sun drive gear on said inner first shaft, at least one pinion planetary drive gear whose teeth mesh with said sun gear on said outer tubular shaft, a ring gear disposed about said planetary and sun gears whose teeth mesh with the teeth of said planetary gear, a gear housing enclosing said ring gear and adapted to rotate about said second tubular shaft, drive means for rotating said gear housing and separate drive means for rotating said outer tubular shaft.

6. A coil winding machine according to claim 16 further characterized in that there are provided Wire supply means at the ends of said shafts remote from said spinners and apertures through said shafts for passage of Wire therethrough to said spinners, each of said spinners includes a plurality of guide pulleys disposed to rotate in a vertical plane, said wire playing means is a guide pulley at the free end of said spinner arm disposed to rotate in a horizontal plane while revolving about said coil support means, said coil support means comprising block corresponding generally in size and shape to the desired size and shape of said coil to be wound including a mated top anrd bottom portion joined at a horizontal interface, a peripheral groove formed in the top portion of the block immediately adjacent to the interface and a plurality of relatively Wide vertical channels on opposite sides of the block extending at least as deep as the peripheral groove.

References (Iited in the file of this patent UNITED STATES PATENTS 1,047,899 Varley Dec. 17, 1912 1,696,836 Bushyager Dec. 25, 1928 1,807,199 Dear May 26, 1931 2,365,661 Winslow Dec. 19, 1944 2,495,251 Hall Jan. 24, 1950 2,499,246 Harmon Feb. 28, 1950 2,546,869 Przybylski Mar. 27, 1951 2,700,514 Whittum Jan. 25, 1955 2,831,310 Berthold Apr. 22, 1958 2,867,378 Harlow Jan. 6, 1959 2,877,807 Robertson Mar. 17, 1959 2,931,162 Klein et a1. Apr. 5, 1960 2,932,260 Puma et a1. Apr. 12, 1960 2,940,337 Kalb June 14, 1960 2,949,554 Biddison Aug. 16, 1960 UNITED STATES PATIENT @FFIQE Patent No 3 O65J71 November 27 1962 Zinon Co Possis et alo It is hereby certified that error appears in the above numbered patent requiring correction and that the said. Letters Patent should read as corrected below.

Column 2 line 43 for 'deposits" read deposit =3

lines

55 and 56 for the shaft 196 The spiner arm 60 is clamped to the bottom the shaftfl read the shaft 19 to a spinner arm 60 secured to the lower end of the shaft 193 line 62 for "lines read lies =3 column 6 line 3 for the claim reference numeral "16" read 5 =3 lines 1.2 and 13 for "comprising lolock." read comprises a bio-ck line 15 for "anrd read and Signed and sealed this 4th day of June 1963,

(SEAL) fittest:

DAVID L. LADD Commissioner of Patents ERNEST W. SWIDER Attesting Officer