US1302448A - Casting-machine. - Google Patents

Casting-machine. Download PDF

Info

Publication number
US1302448A
US1302448A US24409918A US24409918A US1302448A US 1302448 A US1302448 A US 1302448A US 24409918 A US24409918 A US 24409918A US 24409918 A US24409918 A US 24409918A US 1302448 A US1302448 A US 1302448A
Authority
US
United States
Prior art keywords
mold
machine
casting
weights
centrifugal
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
US24409918A
Inventor
Francis William Stokes
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to US24409918A priority Critical patent/US1302448A/en
Application granted granted Critical
Publication of US1302448A publication Critical patent/US1302448A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D13/00—Centrifugal casting; Casting by using centrifugal force
    • B22D13/10—Accessories for centrifugal casting apparatus, e.g. moulds, linings therefor, means for feeding molten metal, cleansing moulds, removing castings
    • B22D13/101—Moulds

Definitions

  • vMy invention comprises certain improvements in apparatus of this class for the purpose of improving its efliciency and rendering it more adapted for use in specific cases.
  • the mold is made in two parts which are normally, that is to say, when the machine is at rest, automatically held in the separated or open positions, but which, when the machine is r0- tated, are automatically closed by the con-- trifugal force generated by such rotation.
  • FIG. 1 is a side view of one form of centrifugal casting machine embodying the improvements. 7
  • Fig. 2 is an end view illustrating the mold and connections therefor.
  • a indicates the bed-plate of the machine
  • 6 indicates the two halves of the mold
  • 1' shows two bell-crank-levers, to one end of each of which one half of the mold is secured.
  • the said'bell-crank-levers 1 are pivotally mounted at r on the end of a spindle s which is mounted inbearings 8 8 carried by the bedplate a of the machine.
  • the other ends of the bell-crank-levers '1' are furnished with the weights t which are connected by the springs u, the elasticity of which draws the said weights t toward one another so as to open the mold when the machine is at rest.
  • 'v is a plate which is freely mounted on the driving spindle 8 and is furnished with the cam slots '0 with which engages pins 25 carried by the weights 2?, the object of this arrangement being to insure that the mold q is retained in the true axial position during rotation.
  • w indicates the pourer which is loosely mounted in the support as, its outer end be ing furnished. with a hand-wheel y, by means of which the said pourer can be turned and adjusted longitudinally as required in the operation of the machine.
  • each of the half-molds is carried on one arm of a bell- .crank lever pivoted to a driving spindle and two weights being connected together by a spring device, substantially as described.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Casting Devices For Molds (AREA)

Description

F. W. STOKES. CASTING MACHINE. APPLICATION FILED JULY 9.1918.
Patented Apr. 29,1919.
Wl'i zwsw UNITED swarms PATENT oration refs WILLIAM STOKES, or MANSFIELD, ENGLAND.
CASTING-MACHINE.
rotating mold by the action of centrifugal force. vMy invention comprises certain improvements in apparatus of this class for the purpose of improving its efliciency and rendering it more adapted for use in specific cases.
According to the invention the mold is made in two parts which are normally, that is to say, when the machine is at rest, automatically held in the separated or open positions, but which, when the machine is r0- tated, are automatically closed by the con-- trifugal force generated by such rotation.
In the accompanying drawings Figure 1 is a side view of one form of centrifugal casting machine embodying the improvements. 7
Fig. 2 is an end view illustrating the mold and connections therefor.
Referring to the construction of casting machine illustrated, which is designed for the production of small castings, a, indicates the bed-plate of the machine, 6 indicates the two halves of the mold and 1' shows two bell-crank-levers, to one end of each of which one half of the mold is secured. The said'bell-crank-levers 1 are pivotally mounted at r on the end of a spindle s which is mounted inbearings 8 8 carried by the bedplate a of the machine. The other ends of the bell-crank-levers '1' are furnished with the weights t which are connected by the springs u, the elasticity of which draws the said weights t toward one another so as to open the mold when the machine is at rest.
When .the mold is being rotated through the medium of the driving spindle s, the centrifugal force which. is developed overcomes the tension of the springs 'w so that the weights t are caused. to move apart and Specification of Letters Patent.
Application filed July 9, 1918-. Serial No. 244,099.
thereby close the mold which is retained in the closed position until the rotation of the said spindle ceases.
'v is a plate which is freely mounted on the driving spindle 8 and is furnished with the cam slots '0 with which engages pins 25 carried by the weights 2?, the object of this arrangement being to insure that the mold q is retained in the true axial position during rotation.
w indicates the pourer which is loosely mounted in the support as, its outer end be ing furnished. with a hand-wheel y, by means of which the said pourer can be turned and adjusted longitudinally as required in the operation of the machine.
Claims:
1. In a centrifugal casting machine of the kind herein referred to the combination with a multipart mold normally held separated or open, of means whereby the parts of the mold are closed by centrifugal force generated by the rotation of the mold, substantially as described.
2. In a centrifugal casting machine as claimed in the preceding claiming clause, the construction wherein the mold is made in two parts each carried upon a pivoted lever mounted upon a driving spindle and means for retaining the said levers in a position such that the mold is open when at rest, and closed when under the action of centrifugal force generated when the mold is rota'ted, substantially as hereinbefore described.
3. In a centrifugal castingmachine of, the kind claimed in the preceding claiming clause, the construction wherein each of the half-molds is carried on one arm of a bell- .crank lever pivoted to a driving spindle and two weights being connected together by a spring device, substantially as described.
4. In a centrifugal casting. machine as claimed in the preceding claiming clause the provision of means such as a slotted plate with which pins upon the weights engage for maintaining the mold in the true axial position during rotation, substantially as described. r
FRANCIS WILLIAM STOKES.
Witnesses:
THos. H. Coon,
C. M. HITCH.
US24409918A 1918-07-09 1918-07-09 Casting-machine. Expired - Lifetime US1302448A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US24409918A US1302448A (en) 1918-07-09 1918-07-09 Casting-machine.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US24409918A US1302448A (en) 1918-07-09 1918-07-09 Casting-machine.

Publications (1)

Publication Number Publication Date
US1302448A true US1302448A (en) 1919-04-29

Family

ID=3369985

Family Applications (1)

Application Number Title Priority Date Filing Date
US24409918A Expired - Lifetime US1302448A (en) 1918-07-09 1918-07-09 Casting-machine.

Country Status (1)

Country Link
US (1) US1302448A (en)

Similar Documents

Publication Publication Date Title
US1302448A (en) Casting-machine.
US2451103A (en) Centrifugal casting apparatus
US1304118A (en) Fkancis william stokes
US971687A (en) Molder's clamp.
US1736363A (en) Molding-machine clamp
US2238330A (en) Expansible spinner mechanism
US1925497A (en) Casting apparatus
US2484632A (en) Beading machine
US469747A (en) Core-seat for pipe-flasks
US1805168A (en) Centrifugal casting machine
US2385979A (en) Piston ring grinder
US607152A (en) Molding-machine
US1059250A (en) Molding apparatus.
US1065774A (en) Mold-forming mechanism.
US1230718A (en) Variable sliding-cone feed for woodworking machinery.
US2297973A (en) Centrifugal casting machine
US2906388A (en) Typewriter
US1516089A (en) Babbitting machine
US1371447A (en) Molding apparatus
US1514319A (en) Centrifugal casting machine
US983183A (en) Phonograph.
US400870A (en) Machine for making bird-targets
US634650A (en) Governor for engines.
US1332531A (en) Casting and finishing apparatus for curved stereotype printing-plates
SU68373A1 (en) Centrifugal carousel for casting