US602721A - Punch ing-machine - Google Patents

Punch ing-machine Download PDF

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Publication number
US602721A
US602721A US602721DA US602721A US 602721 A US602721 A US 602721A US 602721D A US602721D A US 602721DA US 602721 A US602721 A US 602721A
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Prior art keywords
plunger
machine
punch
shaft
head
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D5/00—Arrangements for operating and controlling machines or devices for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D5/08—Means for actuating the cutting member to effect the cut
    • B26D5/16—Cam means
    • 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
    • Y10T83/00—Cutting
    • Y10T83/869—Means to drive or to guide tool
    • Y10T83/8821—With simple rectilinear reciprocating motion only
    • Y10T83/8841—Tool driver movable relative to tool support
    • Y10T83/8843—Cam or eccentric revolving about fixed axis

Definitions

  • This invention relates to improvements in punching-machines; and the object of the same is to provide a machine which is simple in construction and effective in operation, the same being capable of rapid manipulation.
  • a further object is to provide a machine the capacity of which may be varied, so that holes of various sizes maybe punched thereby.
  • the invention consists of a support carrying a removable die, a plunger having a removable punch and provided at its upper end with a head having an opening therethrough, links pivoted to the support, a shaft rotatable in the opposite ends of said links and having an eccentric thereon which is movable in the opening of the head, so that as said shaft is actuated a reciprocatory movement is imparted to the plunger, and a removable lever for the shaft.
  • FIG. 1 is a perspective view of my invention
  • Fig. 2 a front elevation of the same
  • Fig. 3 is a detail view of the plunger-head, showing the eccentric therein, the shaft being illustrated in section.
  • Fig. 4 is a vertical longitudinal sectional view through the plunger-head, the links, and the operating-shaft.
  • Fig. 5 is a sectional detail view of the dieholder with the removable die therein and the lower end of the plunger, showing the removable punch in position.
  • A indicates a supporting-plate which may be attached to the supporting object and having on its front face a central web B, from which extend horizontal arms 0, which are formed adjacent the upper and lower ends of the web and are perforated at their outer ends, which perforations are in line with each other.
  • Movable vertically through the arms is the plunger D, which is provided with a vertical passage E at its lower end to receive the shank F of the removable punch G, said punch bein g secured therein bya pin H.
  • the head I is formed, which is provided with a circular opening J, extending therethrough and transversely of the supporting-arms.
  • the links K Pivoted at their lower ends to the web, on opposite sides thereof, are the links K. Rotatable in the upper end of said links is the shaft L, having the disk M secured eccentrically thereon, said disk moving within the opening of the plunger-head.
  • the flange S which receives the removable die T.
  • An oil-passage is provided in the head, so that the eccentric may be kept lubricated at all times to insure an easy movement of the same within the head.
  • a die of desired size is positioned in the holder, and a punch of corresponding size is attached to the plunger.
  • the article to be punched is placed upon the die beneath the punch and the lever operated, so that the shaft is rotated, which through the medium of the eccentric imparts a reciproca- V tory movement to the plunger, the pivoted links permitting the shaft to move horizontally as it is revolved, thus giving the plunger a vertical movement and causing the punch to engage the article being operated upon squarely and form a vertical hole therein, which would not be the case were it not for the links.

Description

UNlTED STATES PATENT @rricn.
MARTIN BOYER, OF BIGLERVILLE, PENNSYLVANIA.
PUNCHlNG-MACHINE.
SPECIFICATION forming part of Letters Patent No. 602,721, dated April 19, 1898.
Application filed December 28,1897. Serial No. 664,058. (No model.)
To all whom, it may concern:
Be it known that I, MARTIN BOYER, residing at Biglerville, in the county of Adams and State of Pennsylvania, have invented a new and useful Punching-Machine, of which the following is a specification.
This invention relates to improvements in punching-machines; and the object of the same is to provide a machine which is simple in construction and effective in operation, the same being capable of rapid manipulation.
A further object is to provide a machine the capacity of which may be varied, so that holes of various sizes maybe punched thereby.
With the above objects in view the invention consists of a support carrying a removable die, a plunger having a removable punch and provided at its upper end with a head having an opening therethrough, links pivoted to the support, a shaft rotatable in the opposite ends of said links and having an eccentric thereon which is movable in the opening of the head, so that as said shaft is actuated a reciprocatory movement is imparted to the plunger, and a removable lever for the shaft.
In order to enable others skilled in the art to which myinvention most nearly appertains to make and use the same, I will now proceed to describe its construction and operation, having reference to the accompanying drawings, forming part of this specification, in which- Figure 1 is a perspective view of my invention; Fig. 2, a front elevation of the same. Fig. 3 is a detail view of the plunger-head, showing the eccentric therein, the shaft being illustrated in section. Fig. 4 is a vertical longitudinal sectional view through the plunger-head, the links, and the operating-shaft. Fig. 5 is a sectional detail view of the dieholder with the removable die therein and the lower end of the plunger, showing the removable punch in position.
Referring to the accompanying drawings, A indicates a supporting-plate which may be attached to the supporting object and having on its front face a central web B, from which extend horizontal arms 0, which are formed adjacent the upper and lower ends of the web and are perforated at their outer ends, which perforations are in line with each other. Movable vertically through the arms is the plunger D, which is provided with a vertical passage E at its lower end to receive the shank F of the removable punch G, said punch bein g secured therein bya pin H. Upon the upper end of this plunger the head I is formed, which is provided with a circular opening J, extending therethrough and transversely of the supporting-arms. Pivoted at their lower ends to the web, on opposite sides thereof, are the links K. Rotatable in the upper end of said links is the shaft L, having the disk M secured eccentrically thereon, said disk moving within the opening of the plunger-head.
One end of the shaft is reduced and squared, as illustrated at N, to receive the detachable operating-lever O, by means of which the shaft is rotated and the plunger reciprocated.
Formed on the web portion and extending horizontally therefrom beneath the lower arm 0 is a supporting-arm Q, having an aperture 'R extending therethrough at its outer end,
and formed onits upper face about said aperture is the flange S, which receives the removable die T.
An oil-passage is provided in the head, so that the eccentric may be kept lubricated at all times to insure an easy movement of the same within the head.
In operation a die of desired size is positioned in the holder, and a punch of corresponding size is attached to the plunger. The article to be punched is placed upon the die beneath the punch and the lever operated, so that the shaft is rotated, which through the medium of the eccentric imparts a reciproca- V tory movement to the plunger, the pivoted links permitting the shaft to move horizontally as it is revolved, thus giving the plunger a vertical movement and causing the punch to engage the article being operated upon squarely and form a vertical hole therein, which would not be the case were it not for the links.
From the above description it will be seen that I have produced a punching-machine which is extremely simple in construction and capable of rapid manipulation, and also in (No Model.)
' D. W. BOYES & J. DENISON.
RANGE BOILER.
Inventor. l en/1 61 W. Bay 85'' s e s s e n n J was KB? 7? iJ'an Attorney 1 ncams PETERS co. we vasmunrou n c
US602721D Punch ing-machine Expired - Lifetime US602721A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1091576A (en) * 1996-08-05 1998-04-10 Samsung Electron Co Ltd Multi-media system having multi-media bus
US8282211B2 (en) 2006-05-03 2012-10-09 Campbell Melanie C W Method and apparatus for improved fundus imaging through choice of light polarisation

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1091576A (en) * 1996-08-05 1998-04-10 Samsung Electron Co Ltd Multi-media system having multi-media bus
US8282211B2 (en) 2006-05-03 2012-10-09 Campbell Melanie C W Method and apparatus for improved fundus imaging through choice of light polarisation

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