US175766A - Improvement in lathes for turning irregular surfaces - Google Patents

Improvement in lathes for turning irregular surfaces Download PDF

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Publication number
US175766A
US175766A US175766DA US175766A US 175766 A US175766 A US 175766A US 175766D A US175766D A US 175766DA US 175766 A US175766 A US 175766A
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Prior art keywords
spindle
lathes
improvement
irregular surfaces
frame
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    • 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
    • B23Q35/00—Control systems or devices for copying directly from a pattern or a master model; Devices for use in copying manually
    • B23Q35/04—Control systems or devices for copying directly from a pattern or a master model; Devices for use in copying manually using a feeler or the like travelling along the outline of the pattern, model or drawing; Feelers, patterns, or models therefor
    • B23Q35/08—Means for transforming movement of the feeler or the like into feed movement of tool or work
    • B23Q35/10—Means for transforming movement of the feeler or the like into feed movement of tool or work mechanically only
    • B23Q35/101—Means for transforming movement of the feeler or the like into feed movement of tool or work mechanically only with a pattern composed of one or more lines used simultaneously for one tool
    • B23Q35/102—Means for transforming movement of the feeler or the like into feed movement of tool or work mechanically only with a pattern composed of one or more lines used simultaneously for one tool of one line
    • 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
    • Y10T82/00—Turning
    • Y10T82/13—Pattern section
    • Y10T82/135—Cam-controlled cutter
    • 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
    • Y10T82/00—Turning
    • Y10T82/14—Axial pattern
    • Y10T82/141—Axial pattern having transverse tool and templet guide

Definitions

  • My invention relates specially to the lathehead, which consists of a stand, in which is pivoted a .frame carrying a revoluble spindle, and adapted to vibrate independently of the stand, the vibratory movement of the frame and spindle being governed by the engagement of certain irregularly-shaped formers secured to the spindle with a fixed portion of the stand, or an independent projection bolted rigidly thereto.
  • a longitudinal motion of the spindle without the frame is effected by means of a roller connected to the extremity of a fixed arm projecting from the aforesaid frame, and which roller bears against a disk revolying with the said spindle, having a face of the desired shape.
  • Fig ure 1 is a side view of a lathe-head embodying my invention.
  • Fig. 2 is an end view of the same.
  • Fig.3 is a plan of the lathe-head; and
  • Fig. 4 a face view of an ornamental disk, which, to be turned, requires, in combination with the lathe-head proper, the use of a form- 'er having a corresponding outline, as aforesaid.
  • A is the stand, and B the vibratory frame
  • O is the spindle, confined within hearings in the frameB.
  • the ends of the spindle pass through openings in the stand, which are sufficiently large to allow of the vibration of the spindle therein.
  • D D are the formers, constructed with ditt'erent outlines, and secured to the spindle, with one of them in contact With an arm, 0, held firmly within a slot in the bar cl, extending from the stand A.
  • the spring I which serves to retain "arm 70 with the disk h.
  • the former in contact with the arm 0 may be assisted in its action by means of a weight attached to a cord leading over a pulley, c, to the hook f.
  • the longitudinal movement of the spindle U, and which is independent of the frame B, is caused by the resiliency of the spring g, and the contact of the roller 2' in the Upon the spindle is a cone pulley, I, attached to a spur-pinion, l.
  • the formers D are made to revolve independently of the cone-pulley and pinion l, with a spur-wheel, Z.
  • the piece of material to be turned is secured to a chuck screwed to the end of the spindle, which is adapted for that purpose, and an ordinary tool clamped to a slide-rest used as a cutter.
  • a chuck screwed to the end of the spindle which is adapted for that purpose, and an ordinary tool clamped to a slide-rest used as a cutter.
  • the revolution of the spindle its movement toward and from the arm 0 is regulated by the shape of the former; conse qucntly the outline or shape of the molding or article turned conforms to that of the form-
  • a convex or concave general surface may be given to the molding by using, in connection with the former and its attachments, a disk, h, having the desired shape.

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  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Mechanical Engineering (AREA)
  • Turning (AREA)

Description

C. H. SCHMINKE.
LATHES FOR TURNING IRREGULAR SURFACES. No. 175,765. v Patented; Apri14,1876.-
UNITED CHARLES HENRY SOHMINKE,
Fierce or BALTIMORE, MARYLAND.
Specification forming part of Letters Patent No. 175,766, dated April 4, 1876; app1ication file September 3, 1875. I
To all whom it may concern:
' Be it known that 1, CHARLES HENR SGHMINKE, of the city of Baltimore and State of Maryland, have invented certain new and useful Improvements in Lathes for Turning Irregular Surfaces, of which the following is a specification, reference being had to the accompanying drawing, forming a part hereof.
My invention relates specially to the lathehead, which consists of a stand, in which is pivoted a .frame carrying a revoluble spindle, and adapted to vibrate independently of the stand, the vibratory movement of the frame and spindle being governed by the engagement of certain irregularly-shaped formers secured to the spindle with a fixed portion of the stand, or an independent projection bolted rigidly thereto. In addition to the vibratory movement of the frame and spindle alluded to, a longitudinal motion of the spindle without the frame is effected by means of a roller connected to the extremity of a fixed arm projecting from the aforesaid frame, and which roller bears against a disk revolying with the said spindle, having a face of the desired shape. 1
In the drawing, forming a part hereof, Fig ure 1 is a side view of a lathe-head embodying my invention. Fig. 2 is an end view of the same. Fig.3 is a plan of the lathe-head; and Fig. 4, a face view of an ornamental disk, which, to be turned, requires, in combination with the lathe-head proper, the use of a form- 'er having a corresponding outline, as aforesaid.
' Similar letters of reference represent similar parts in all the figures.
A is the stand, and B the vibratory frame,
pivoted to the stand at a. O is the spindle, confined within hearings in the frameB. The ends of the spindle pass through openings in the stand, which are sufficiently large to allow of the vibration of the spindle therein. D D are the formers, constructed with ditt'erent outlines, and secured to the spindle, with one of them in contact With an arm, 0, held firmly within a slot in the bar cl, extending from the stand A. The spring I), which serves to retain "arm 70 with the disk h.
-er used.
the former in contact with the arm 0, may be assisted in its action by means of a weight attached to a cord leading over a pulley, c, to the hook f. The longitudinal movement of the spindle U, and which is independent of the frame B, is caused by the resiliency of the spring g, and the contact of the roller 2' in the Upon the spindle is a cone pulley, I, attached to a spur-pinion, l. The formers D are made to revolve independently of the cone-pulley and pinion l, with a spur-wheel, Z. A shaft, m,provided with a spur-wheel and pinion, marked n n, and which engage, respectively, with the pinion l and wheel I, is placed ineccentric bearings upon the vibrating frame B, and can be moved so as to cause the wheels to engage or be ungeared at will by means of the handle 0.
The piece of material to be turned is secured to a chuck screwed to the end of the spindle, which is adapted for that purpose, and an ordinary tool clamped to a slide-rest used as a cutter. During the revolution of the spindle its movement toward and from the arm 0 is regulated by the shape of the former; conse qucntly the outline or shape of the molding or article turned conforms to that of the form- During this operation a convex or concave general surface may be given to the molding by using, in connection with the former and its attachments, a disk, h, having the desired shape.
Having thus described my invention, what 1 claim as new, and desire to secure by Letters Patentof the United States, is-
The vibratory frame B, spindle 0, loose cone-pulley I, pinion l, wheel 1, formers-D, disk h, roller 1', and eccentrically-movable shaft m, with its wheel and pinion n a, combined substantially as and for the purposes specified.
In testimony whereof I have hereunto subscribed my name this 23d day of August, in the year of our Lord 1875.
CHARLES HENRY SOHMINKE.
Witnesses:
WM. '1. HOWARD, GEORGE A. HOWARD.
US175766D Improvement in lathes for turning irregular surfaces Expired - Lifetime US175766A (en)

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