US3186455A - Roller feed mechanism for woodworking machines - Google Patents

Roller feed mechanism for woodworking machines Download PDF

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Publication number
US3186455A
US3186455A US189548A US18954862A US3186455A US 3186455 A US3186455 A US 3186455A US 189548 A US189548 A US 189548A US 18954862 A US18954862 A US 18954862A US 3186455 A US3186455 A US 3186455A
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Prior art keywords
feed mechanism
ball
jib
housing
slot
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Expired - Lifetime
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US189548A
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English (en)
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Stoll Gottlieb
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Individual
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Individual
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27B—SAWS FOR WOOD OR SIMILAR MATERIAL; COMPONENTS OR ACCESSORIES THEREFOR
    • B27B25/00—Feeding devices for timber in saw mills or sawing machines; Feeding devices for trees
    • B27B25/02—Feeding devices for timber in saw mills or sawing machines; Feeding devices for trees with feed and pressure rollers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q1/00—Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
    • B23Q1/25—Movable or adjustable work or tool supports
    • B23Q1/26—Movable or adjustable work or tool supports characterised by constructional features relating to the co-operation of relatively movable members; Means for preventing relative movement of such members
    • B23Q1/28—Means for securing sliding members in any desired position

Definitions

  • the present invention relates to a feed mechanism for Woodworking machines, in which feed rollers on one side Patented June 1, 1965 to the invention comprises a housing 1 which contains the of the housing of the mechanism are employed for transmitting their movement to a workpiece so as to feed the same along the machine table.
  • the tool it is conventional to swivel the feed mechanism about at least two difierent axes, that is, a horizontal axis and a vertical axis.
  • This is attained according to the invention essentially by suspending the feed mechanism on oneend of a horizontal jib by means of a ball-and-socket joint which consists of a ball-shaped end of a supporting rod which is secured to and extends downwardly from the horizontal jib, and of apair of spherical shells which. enclose the ball-shaped end of the supporting rod and are secured to the housing of the feed mechanism.
  • the spherical shells are separated from each other by a narrow tightening slot.
  • a part of the opposite walls of the two shells which define this tightening slot is recessed to form a wider arcuate slot through which the rod itself extends into or from the spherical shells and which permits the latter with the feed mechanism thereon to swivel within perpendicular planes around the ball-shaped end of the supporting rod for a certain angle which is determined by the length of the arcuate slot.
  • FIGURE 1 shows a general front view of the roller feed mechanism according to the invention as seen in the feeding direction and in a position in which the feed rollers press from above upon the workpiece;
  • FIGURE 2 shows a view similar to FIGURE 1 but with the feed mechanism adjusted to a position in which feed rollers press in the horizontal direction upon the workpiece;
  • FIGURE 3 shows a front view of the ball-joint suspension of the housing of the feed mechanism on .the horizontal jib;
  • housing 1 is suspended on a horizontal jib 3 which is supported by a vertical post 4 which is secured by a base 5 on the machine table T.
  • Jib 3 is connected to the vertical post 4 by means of a crosspiece 6 which comprises a pair of.tubular parts 7 and 8 which are integral with each other and disposed at right angles to each other.
  • Crosspiece 6 together with jib 3 is adjustable to different levels along post 4 by means of a handwheel 11 on a threaded spindle 9 which is screwed into crosspiece 6 and is rotatably mounted in a head 10 which is secured to the upper end of post 4 and projects laterally therefrom toward one side.
  • the horizontal jib 3 which is slidable longitudinally within the tubular part 7 of crosspiece 6 carries a rack 12 with which a pinion 13 engages which is mounted on a setting spindle 15 which is rotatably mounted on the crosspiece 6 and carries a handwheel 14, as is also shown in FIGURE 6.
  • the tubular parts 7 and 8 may be clamped upon jib 3 and post 4, respectively, in a manner as subseqnently described in detail.
  • the feed mechanism is suspended on the horizontal jib 3 by means of a ball-and-socket joint which consists of a pair of spherical shells 16 and 17 best shown in FIGURE 4 and which are secured by means of flanges 18 and 19 to the longitudinal wall 1' of housing 1 at the side away from the feed rollers 2 and of a ball 21 which is enclosed by the spherical shells 16 and 17 and forms the lower end of a supporting rod 20 which depends perpendicularly from the end of the horizontal jib 3.
  • a ball-and-socket joint which consists of a pair of spherical shells 16 and 17 best shown in FIGURE 4 and which are secured by means of flanges 18 and 19 to the longitudinal wall 1' of housing 1 at the side away from the feed rollers 2 and of a ball 21 which is enclosed by the spherical shells 16 and 17 and forms the lower end of a supporting rod 20 which depends perpendicularly from the end of the horizontal jib 3.
  • the supporting rod 20 is rigidly secured to the horizontal jib 3, for example, by being welded thereto, while according to the modification as illustrated in FIGURE 5, the supporting rod 20 has a socket 22 thereon which is fitted over the end of jib 3 and may be secured thereto by a screw 23. According to this modification, the feeding mechanism is therefore easily removable from jib 3.
  • the spherical shells 17 and 16 of the ball-and-socket joint are separated from each other by a narrow tightening slot 25, as shown in FIGURE 4, which extends within a perpendicular plane and, in addition, by a wider arcuate slot 24 which is formed by recesses in a part of the opposite walls of the two shells which define the tightening slot.
  • This arcuate slot 24 has a width b (FIGURE 4) and slightly greater than the thickness of the supporting rod 20 itself and an arcuate length as indicated by the arrow a in FIGURE 3 so as to permit the ball socket formed by the two spherical shells and the feed mechanism thereon to swivel within perpendicular planes relative to the supporting rod 20 and to any angular position between the ends of the arcuate slot 24.
  • the two spherical shells 16 and 17 may be tightened on the spherical surface of ball 21 on the supporting rod 20 by means of bolts 26 and 27 which, however, are only r 3 tightened to such an extent that shells I6 and 17 will be clamped upon ball 21 with a pressure which just suffices to hold the housing 1' arrested in any position in the swiveling rangea of the arcuate slot 24, but permits the housing to be easily swiveled by hand to different positions within this range.
  • a clamping bolt 28 is provided which may be operated by a tommy bar and nut 29.
  • the swiveling movement of housing 1 is limited by a setscrew 30 which is provided in the end surface of the arcuate slot 24 which in this operating position extends in a perpendicular direction.
  • the flanges of shells 16 and 17 are in addition provided with setscrews 31 which project from both sides into the arcuate slot 24 and guide the supporting rod 20 so as to be without lateral play.
  • the arcuate slot 24 is made of a widthb, as indicated in FIGURE 4, which permits the supporting rod 20 to have a certain amount'of lateral play.
  • the housing is at first turned from the position according to, FIGURE 1 about an angle of 180 around the supporting rod 29 and thereafter it is swiveled by the ball-and-socket joint at an angle of 90 toward the post 4, so that the supporting rod then projects from the shells 16 and 17 at the other end of slot 24, as indicated in dotand-dash lines in FIGURE 3.
  • housing 1 If in this swiveled position the plane E of the roller axes, as shown in FIGURE 2, does not as yet extend parallel to the'guide rule L because jib 3 does not extend at aright angle to the guide rule, housing 1 'must also be turned within a horizontal plane around the supporting rod 20. Because of the mentioned lateral play of the supporting .rod 2.0 within the arcuate slot 24, it is possible in this position to swivel the housing -1 slightly further within a perpendicular plane so that the axes of the feed rollers 2 will no longer extend exactly perpendicular and the feed rollers will exert a perpendicular force component which insures that the workpiece W when moved longitudinally isalways pressed upon the surface of the machine table.
  • the spherical surface of each of the two shells 16 and 17 which engages with the ball 21 on the supporting rod 20 is limited to a narrow annular bearing area 32 which extends parallel to the tightenin slot 25.
  • the distance between the center of the annular bearing area 32 and the. center of the ball is made of such a size that the intersecting tangents which may be plotted on these areas extend at an angle or of approximately 90 to each other (FIGURE 4).
  • this two parts are provided with tightening slots 34 and 35 which lie opposite to each other within parallel planes, as shown in FIGURE 7, and are crossed by a clamping bolt 36.
  • This clamping bolt 36 is screwed tightly into the resilient arm 38 at one side of the tightening slot 35 of the tubular part 8 and passes through and projects from the resilient arm 37 at one side of the tightening slot 34 of the tubular part '7.
  • the threaded outer end '36 of this bolt 36 receives the threaded hub 39 of a tommy which may be screwed against the arm 37 to tighten the two resilient arms 37 and 3 8 relative to the nonresilient central part.
  • a stop screw 40 is inserted into the free end of arm 37 for limiting .the extent to which this arm may be tightened.
  • 'Arm 37 is thus able to yield considerably less When the force of the clamping bolt 36 is applied thereon than the other arm 38 next to the tightening slot 35.
  • the different yield of the two arms 37 and 38 could, of course, also be attained by making them of different thicknesses. Due to the limited yield of arm 37 next to the tightening slot 34, the tubular part 8 will first be clamped to post 4 when the clamping bolt 36 is tightened, and only when the latter is thereafter further tightened, the'tubular part 7 will also be clamped to the jib 3.
  • the head 10 of the vertical post 4, in which spindle 9 is rotatably mounted which serves for adjusting the elevation of the crosspiece 6 on the post, is illustrated as being rotatable on post 4.
  • One manner in which this may be accomplished is shown in FIGURE 6, in which the head 10 fits like a cap over the upper end of post 4' and is supported on its end surface by a thrust ball bearing 41 which is secured against movement in the axial direction by a bolt 42.
  • jib 3 may be swiveled within horizontal plane even though the post is rigidly secured to its base 5. When .the clamping bolt 36 is tightened, this also locks jib 3 in the particular swiveled position.
  • support means including a substantially horizontal support arm, a pivot pin projecting substantially normal and downwardly from the region of one end of said arm and a ball member fixed to the free end of said pivot pin; socket means fixed to said.
  • said socket means including a pair ofmembers fixed at one end thereof to said housing and having each a face normal to said plane in which the axes of said feed rollers are located and arranged spaced from and opposite of the face of the other of said members so as to define a clamping gap between said faces, each of said members being formed with a substantially semispherical cavity respectively extending from said face into the member and said cavities complementing each other for forming a cavity in which said ball member is housed, each of said members being further formed in said face thereof with a cutout extending through an angle of substantially 90 from the cavity in the member to the outer surface thereof and said cutouts complementing each other to define a slot between said members having a width slightly greater than the diameter of said pivot pin, said pin extending through said slot and the latter permitting turning of

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  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Forests & Forestry (AREA)
  • Feeding Of Workpieces (AREA)
  • Press Drives And Press Lines (AREA)
US189548A 1961-04-26 1962-04-23 Roller feed mechanism for woodworking machines Expired - Lifetime US3186455A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEF33763A DE1150507B (de) 1961-04-26 1961-04-26 Rollenvorschubvorrichtung fuer Holzbearbeitungsmaschinen

Publications (1)

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US3186455A true US3186455A (en) 1965-06-01

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Application Number Title Priority Date Filing Date
US189548A Expired - Lifetime US3186455A (en) 1961-04-26 1962-04-23 Roller feed mechanism for woodworking machines

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US (1) US3186455A (de)
CH (1) CH404172A (de)
DE (1) DE1150507B (de)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4483378A (en) * 1983-04-08 1984-11-20 James Chang Feeding device of wood working machine
US4875512A (en) * 1989-02-09 1989-10-24 Lin Chin Chi Feeder having a speed change mechanism with a graduated threaded-shaft protector
EP1266729A3 (de) * 2001-05-18 2004-08-11 SCM GROUP S.p.A. Vorrichtung zum Bearbeiten von Holzwerkstücken oder dergleichen
US20110318088A1 (en) * 2009-03-12 2011-12-29 Tong Oil Tools Co., Ltd. Cable head for petroleum logging

Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US180881A (en) * 1876-08-08 Improvement in ball-and-socket supports
US688230A (en) * 1900-02-12 1901-12-03 Gus Frey Adjustable holder for embroidery-hoops.
US2020102A (en) * 1934-02-07 1935-11-05 John Burton Scaffolding clamp
DE623090C (de) * 1932-09-10 1935-12-13 Teichert & Sohn Vorschubvorrichtung fuer Holzbearbeitungsmaschinen
US2559925A (en) * 1945-01-29 1951-07-10 Wilton Tool Mfg Co Work holder device
FR1131949A (fr) * 1955-04-15 1957-03-01 Dispositif d'entraînement pour machines à bois et analogues
US2825591A (en) * 1953-08-18 1958-03-04 Elly Estie Clamps for use in scaffolding and like structures
US2864415A (en) * 1957-02-19 1958-12-16 Mayer Max Work feeding and guiding device for shaping machines
DE973800C (de) * 1952-03-01 1960-06-09 Ferdinand Fromm Maschinenfabri Vorschubvorrichtung fuer Holzbearbeitungsmaschinen
GB859591A (en) * 1957-11-12 1961-01-25 Frederick Shilton Improvements in or relating to work feeding devices for woodworking and similar machines
DE1109865B (de) * 1960-01-20 1961-06-29 Festo Maschf Stoll G Anordnung eines Rollenvorschubapparates am Maschinentisch einer Holzbearbeitungsmaschine
US3058640A (en) * 1957-09-19 1962-10-16 Schuster Roman Feeding attachment for woodworking machines

Patent Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US180881A (en) * 1876-08-08 Improvement in ball-and-socket supports
US688230A (en) * 1900-02-12 1901-12-03 Gus Frey Adjustable holder for embroidery-hoops.
DE623090C (de) * 1932-09-10 1935-12-13 Teichert & Sohn Vorschubvorrichtung fuer Holzbearbeitungsmaschinen
US2020102A (en) * 1934-02-07 1935-11-05 John Burton Scaffolding clamp
US2559925A (en) * 1945-01-29 1951-07-10 Wilton Tool Mfg Co Work holder device
DE973800C (de) * 1952-03-01 1960-06-09 Ferdinand Fromm Maschinenfabri Vorschubvorrichtung fuer Holzbearbeitungsmaschinen
US2825591A (en) * 1953-08-18 1958-03-04 Elly Estie Clamps for use in scaffolding and like structures
FR1131949A (fr) * 1955-04-15 1957-03-01 Dispositif d'entraînement pour machines à bois et analogues
US2864415A (en) * 1957-02-19 1958-12-16 Mayer Max Work feeding and guiding device for shaping machines
US3058640A (en) * 1957-09-19 1962-10-16 Schuster Roman Feeding attachment for woodworking machines
GB859591A (en) * 1957-11-12 1961-01-25 Frederick Shilton Improvements in or relating to work feeding devices for woodworking and similar machines
DE1109865B (de) * 1960-01-20 1961-06-29 Festo Maschf Stoll G Anordnung eines Rollenvorschubapparates am Maschinentisch einer Holzbearbeitungsmaschine

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4483378A (en) * 1983-04-08 1984-11-20 James Chang Feeding device of wood working machine
US4875512A (en) * 1989-02-09 1989-10-24 Lin Chin Chi Feeder having a speed change mechanism with a graduated threaded-shaft protector
EP1266729A3 (de) * 2001-05-18 2004-08-11 SCM GROUP S.p.A. Vorrichtung zum Bearbeiten von Holzwerkstücken oder dergleichen
US20110318088A1 (en) * 2009-03-12 2011-12-29 Tong Oil Tools Co., Ltd. Cable head for petroleum logging
US8607856B2 (en) * 2009-03-12 2013-12-17 Tong Oil Tools Co., Ltd. Cable head for petroleum logging

Also Published As

Publication number Publication date
DE1150507B (de) 1963-06-20
CH404172A (de) 1965-12-15

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