US55597A - Improvement in bolt-heading machines - Google Patents

Improvement in bolt-heading machines Download PDF

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US55597A
US55597A US55597DA US55597A US 55597 A US55597 A US 55597A US 55597D A US55597D A US 55597DA US 55597 A US55597 A US 55597A
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Prior art keywords
bolt
die
screw
heading
improvement
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21KMAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
    • B21K1/00Making machine elements
    • B21K1/58Making machine elements rivets
    • B21K1/60Making machine elements rivets hollow or semi-hollow rivets

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  • my invention consists in conflning the stock from which the head of the bolt is to be formed at a point above the headin gehamber, so thatit may be upset and spread out equally in all directions, and also in relieving the pressure from the opposite end of the bolt at'ter it is partially headed, in order that any surplus material may be forced out of the heading-chamber into the shank of the bolt, thereby relieving ⁇ the machine from the heavy strain caused by its continuous motion after the heading-chamber has been entirely filled.
  • Figure l represents a perspective view of the machine; Figs. 2 and 3, sectional views; Fig. 4, views of the heading-die.
  • Fig. 2 represents a vertical section ofthe upper portion ofthe machine.
  • A is the frame, to which are attached the slides B B, which serve to guide the parts which hold the die C and the bolt D in their motions up and down.
  • the screw E carries upon its lower end the square punch F, the connection bctween the -two being formed by a swiveljoint, so that the screw may be turned without causing the punch to revolve.
  • This screw serves to adjust the punch to the proper height.
  • the lowerl end of this punch enters the upper square chamber, c, of the headingdie G, various views of which are also shown in Fig. et.
  • This die is secured to the sliding die-holder G by the screw H. (Shown in Fig. 1.)
  • the vertical range of the die-holder is controlled and regulated by the bolts I Iand screwthimbles J J
  • the bolt D which is to be headed,is held in the hand-tool K, a projection of which enters a cavity in the upper end of the tube L, which is screwed into the sliding piece M.
  • the piece M slides in the frame N, to which motion is imparted by the crank O and connecting-rod P. (Shown in Fig. 1.)
  • the screw Q (shown in Figs.l and 3) is used to adjust the motion of the sliding piece M to a point which will bring the bolt, when inserted in the hand-tool, exactly under the die C.
  • the thimble lt Upon the lower part of the tube L is placed the thimble lt, with a screw, S, at its lower end. Small holes r r are also made, through which dirt is allowed to escape.
  • This thimble has two projections, U U, upon its opposite sides, which rest upon the lever V, which is hung at the point fv and raised and lowered by the cam W, which is operated by the arm X and pin Y moving in the groove Z. (Shown in Fig. l.)
  • T is a short plug resting upon the screw S, and is used in ⁇ connection with the screw to gage the length ofthe bolt by filling up the hole in which it is placed, plugs of dii'ercnt lengths being provided for that purpose.
  • This plug is furnished with one or more grooves to allow the dirt to fall into the chamber which contains the upper end of the screw S, and thence through the holes r r.
  • the cap n which is fastened to the frame N, serves to hold the tool K by slipping over the lip le when the sliding piece M is placed in contact with the screw Q.
  • the piece M slides back far enough to allow a red hot bolt to be inserted in the tool K. It is then to be forced up in contact with the screw Q, which brings the bolt D exactly under the die C.
  • the crank O being set in motion, the lower sliding frame, N, with all the attached parts, are raised,carrying the upper end ot the bolt D into the upper square chamber, c, of the die O,when the upper surface of the handtool will bring up against the lowerI end otl the die, thereby completely closing the headingchamber c.
  • the thimble E which supports the pin T, moves with it, leaving the lower end ofthe bolt entirely free, so that the pressure caused by the upward motion of the frame N is now exerted upon the under side of the head,tending to fill out the corners and to force any surplus stock down through the heading chamber into the shank of the bolt.
  • the crank continues to turn the frame N falls away from the die, when the headed bolt is removed from the machine by means of the hand-toolK. In this manner bolts can be made.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Forging (AREA)

Description

LPETERS FHOTO-LITHOGRAPHER. WASHINGTON. D,.C.
YUNITED STATES HENRY E. ANTHONY, OF PROVIDENCE, RHODE ISLAND.
PATENT OEEicE.
IMPROVEMENT IN BOLT-HEADING MACHINES.
Specification forming part of Letters Patent No. 55.597, dated June 19, 1866.
To all whom 'it may concern:
Be it known that I, HENRY E. ANTHONY, of Providence, in the county ot Providence and State of Rhode Island, have invented an Improved Bolt-Heading Machine; and I do hereby declare that the following is a t'ull and exact description, reference being had to the accompanyin g drawings, makin g a part of this speciication.
The nature of my invention consists in conflning the stock from which the head of the bolt is to be formed at a point above the headin gehamber, so thatit may be upset and spread out equally in all directions, and also in relieving the pressure from the opposite end of the bolt at'ter it is partially headed, in order that any surplus material may be forced out of the heading-chamber into the shank of the bolt, thereby relieving` the machine from the heavy strain caused by its continuous motion after the heading-chamber has been entirely filled.
To enable those skilled in the art to make and use my invention, I will proceed to describe its construction and operation.
Figure l represents a perspective view of the machine; Figs. 2 and 3, sectional views; Fig. 4, views of the heading-die.
Fig. 2 represents a vertical section ofthe upper portion ofthe machine. A is the frame, to which are attached the slides B B, which serve to guide the parts which hold the die C and the bolt D in their motions up and down. The screw E carries upon its lower end the square punch F, the connection bctween the -two being formed by a swiveljoint, so that the screw may be turned without causing the punch to revolve. This screw serves to adjust the punch to the proper height. The lowerl end of this punch enters the upper square chamber, c, of the headingdie G, various views of which are also shown in Fig. et. This die is secured to the sliding die-holder G by the screw H. (Shown in Fig. 1.)
The vertical range of the die-holder is controlled and regulated by the bolts I Iand screwthimbles J J The bolt D, which is to be headed,is held in the hand-tool K, a projection of which enters a cavity in the upper end of the tube L, which is screwed into the sliding piece M. The piece M slides in the frame N, to which motion is imparted by the crank O and connecting-rod P. (Shown in Fig. 1.)
The screw Q (shown in Figs.l and 3) is used to adjust the motion of the sliding piece M to a point which will bring the bolt, when inserted in the hand-tool, exactly under the die C.
Upon the lower part of the tube L is placed the thimble lt, with a screw, S, at its lower end. Small holes r r are also made, through which dirt is allowed to escape. This thimble has two projections, U U, upon its opposite sides, which rest upon the lever V, which is hung at the point fv and raised and lowered by the cam W, which is operated by the arm X and pin Y moving in the groove Z. (Shown in Fig. l.)
T is a short plug resting upon the screw S, and is used in `connection with the screw to gage the length ofthe bolt by filling up the hole in which it is placed, plugs of dii'ercnt lengths being provided for that purpose. This plug is furnished with one or more grooves to allow the dirt to fall into the chamber which contains the upper end of the screw S, and thence through the holes r r.
The cap n, which is fastened to the frame N, serves to hold the tool K by slipping over the lip le when the sliding piece M is placed in contact with the screw Q. The piece M slides back far enough to allow a red hot bolt to be inserted in the tool K. It is then to be forced up in contact with the screw Q, which brings the bolt D exactly under the die C. Now, the crank O being set in motion, the lower sliding frame, N, with all the attached parts, are raised,carrying the upper end ot the bolt D into the upper square chamber, c, of the die O,when the upper surface of the handtool will bring up against the lowerI end otl the die, thereby completely closing the headingchamber c. Now, as the upward motion of the lower frame continues, carrying with it the die C and its holder Gr, the upper end ofthe bolt is forced, by the stationary punch F,into the heading-chamber c', at the same time being supported by the sides of the chamber c. Now, when the head is nearly formed the pin Y of the arm K reaches vthe curved portion of the groove Z, causing the arm and cam to be turned outward, thereby lowering the outer end of the lever V. The thimble E, which supports the pin T, moves with it, leaving the lower end ofthe bolt entirely free, so that the pressure caused by the upward motion of the frame N is now exerted upon the under side of the head,tending to fill out the corners and to force any surplus stock down through the heading chamber into the shank of the bolt. As the crank continues to turn the frame N falls away from the die, when the headed bolt is removed from the machine by means of the hand-toolK. In this manner bolts can be made.
with the die or collar Which contines the bolt at a point above the heading chamber, substantially as described.
2. Removing the thimhle R and pin T, or any other equivalent device which may be used to support or confine the lower end ofthe bolt after such bolt has been partially headed, in order to allow any surplus stock to be forced from the upper chamber down through the head ot' the bolt, substantially as described.
3. The sliding die-holder G, operating' substantially in the manner described.
4. The combination of screw E and swivelpunch F, operating substantially as described.
5. The manner of securing,` the hand-tool by the cap u, substantially as described.
HENRY E. ANTHONY.
Witnesses:
SOCRATES ScHoLFIELD, FREDK. H. ANTHONY.
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040103689A1 (en) * 1998-12-31 2004-06-03 Chia Meang K. Decorative jewelry article

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040103689A1 (en) * 1998-12-31 2004-06-03 Chia Meang K. Decorative jewelry article

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