US801561A - Block-molding machine. - Google Patents

Block-molding machine. Download PDF

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Publication number
US801561A
US801561A US24903105A US1905249031A US801561A US 801561 A US801561 A US 801561A US 24903105 A US24903105 A US 24903105A US 1905249031 A US1905249031 A US 1905249031A US 801561 A US801561 A US 801561A
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Prior art keywords
molding
box
frame
core
blocks
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Expired - Lifetime
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US24903105A
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Nathan W Warren
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B7/00—Moulds; Cores; Mandrels
    • B28B7/16—Moulds for making shaped articles with cavities or holes open to the surface, e.g. with blind holes
    • B28B7/18—Moulds for making shaped articles with cavities or holes open to the surface, e.g. with blind holes the holes passing completely through the article
    • B28B7/183—Moulds for making shaped articles with cavities or holes open to the surface, e.g. with blind holes the holes passing completely through the article for building blocks or similar block-shaped objects

Definitions

  • This invention relates to presses for mold ing concrete or cement building-blocks; and it consists in the novel construction and combination of the parts hereinafter fully described and claimed.
  • Figure 1 is an end view of the press.
  • Fig. 2 is a plan view of the press with the molding-box removed.
  • Fig. 3 is a longitudinal section through the press.
  • Fig. at is a detail plan view of the molding-box.
  • Fig. 5 is a detail end view of the molding-box, showing the carrying-board clamped in position.
  • A is a frame of any approved construction.
  • I3 is a carriage which is slidable vertically in the frame A and which is preferably provided with antifriction-rollers .7), which run against suitable guides on the frame A.
  • This carriage B is provided with longitudinal bars C, provided with slots 0, and D represents cross-bars which rest on the said bars C and which are provided with slots (Z.
  • Each core-block is preferably provided with a separate cross-bar and is secured to it by any approved means, so that it can be adjusted and set at any desired angle or in any desired position.
  • the cross bars are slidable upon the longitudinal bars and can be placed in any desired positions upon them and secured by any approved bolts or other similar fastening devices.
  • the slots in the bars are provided for the passage of the various fastening-bolts.
  • F is a shaft which is 'journaled in bearings in the lower part of the frame,and 7 represents arms secured on the said shaft and having rods (3 pivoted to their end by pins
  • the rods G are pivotally connected with the carriage by pins l2, and the said shaft affords a means for raising and lowering the carriage together with the core blocks supported by it.
  • toothed wheel H is secured on one end portion of the shaft F, and I is a toothed wheel mounted on a pin which projects from the frame A and which gears into the wheel H.
  • J is an operating handle or lever which is pivoted to the wheel I
  • j is a pawl pivoted to the said lever and engaging with the teeth of the wheel I.
  • K is the molding-box, which rests upon cross-bars K in the upper part of the frame A.
  • the molding-box is provided with hinged side portions k, which are normally connected together by a latch A or any other suitable catch or fastening device.
  • 'lhe.moldingbox has pivot-pins m projecting from its ends, and M is a forked lever which engages with the said pins and which rests on the fulcrumblocks m, which project upwardly from one side of the frame A.
  • N is the bottom board of the molding-box, provided with holes a for the core-blocks.
  • the molding-box is placed in position on top of the frame and the core-blocks are thrust upward into it through the holes in its bottom board.
  • the cement or othersimilar material is then placed in the molding-box.
  • a carrying-board I is then secured over the top of the molding-box and is secured in position by any suitable clamp 7).
  • the carriage is moved downward in the frame, so that the core-blocks are pulled out of the moldingbox.
  • the moldingbox is then raised by means of the forked lever and is turned over. The molding-box can now be opened and the building-block removed upon the carryingboard.
  • Molding-boxes of various sizes and shapes are used in carrying out this invention, and as the bottom board with the holes for the core-blocks always remains connected to the molding-box to which it pertains a great saving of expense is effected.
  • the carryingboards are plain boards and cost very little to make.
  • ⁇ Vhat I claim is- 1.

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Moulds, Cores, Or Mandrels (AREA)

Description

PATENTED OUT. 10, 1905.
N. W. WARREN.
BLOCK MOLDING MAGHINE.
APPLICATION FiLED MAB. B, 1905.
W ZYNESSES:
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UNITED S lfAIflliS PATENT @FFICE.
BLOCK-MOLDING MACHINE.
Specification of Letters Patent.
Patented Oct. 10, 1905.
Application filed March 8,1905. erial No. 249,031.
To (1. 10/1/0 11 2'1 'nmg (Oil/(1877b:
Be it known that I. NATHAN \V. WARREN, a citizen of the United States, residing at Austin, in the county of Mower and State of Hinnesota, have invented certain new and useful Improvements in Block-Molding Machines; and I do hereby declare the following to be a full, clear, and exact description of the invention, such as will enable others skilled in the art to which it appertains to make and use the same.
This invention relates to presses for mold ing concrete or cement building-blocks; and it consists in the novel construction and combination of the parts hereinafter fully described and claimed.
In the drawings, Figure 1 is an end view of the press. Fig. 2 is a plan view of the press with the molding-box removed. Fig. 3 is a longitudinal section through the press. Fig. at is a detail plan view of the molding-box. Fig. 5 is a detail end view of the molding-box, showing the carrying-board clamped in position.
A is a frame of any approved construction.
I3 is a carriage which is slidable vertically in the frame A and which is preferably provided with antifriction-rollers .7), which run against suitable guides on the frame A. This carriage B is provided with longitudinal bars C, provided with slots 0, and D represents cross-bars which rest on the said bars C and which are provided with slots (Z.
E represents core-blocks which rest on the cross-bars D. Each core-block is preferably provided with a separate cross-bar and is secured to it by any approved means, so that it can be adjusted and set at any desired angle or in any desired position. The cross bars are slidable upon the longitudinal bars and can be placed in any desired positions upon them and secured by any approved bolts or other similar fastening devices. The slots in the bars are provided for the passage of the various fastening-bolts.
F is a shaft which is 'journaled in bearings in the lower part of the frame,and 7 represents arms secured on the said shaft and having rods (3 pivoted to their end by pins The rods G are pivotally connected with the carriage by pins l2, and the said shaft affords a means for raising and lowering the carriage together with the core blocks supported by it. A
toothed wheel H is secured on one end portion of the shaft F, and I is a toothed wheel mounted on a pin which projects from the frame A and which gears into the wheel H.
J is an operating handle or lever which is pivoted to the wheel I, and j is a pawl pivoted to the said lever and engaging with the teeth of the wheel I.
K is the molding-box, which rests upon cross-bars K in the upper part of the frame A. The molding-box is provided with hinged side portions k, which are normally connected together by a latch A or any other suitable catch or fastening device. 'lhe.moldingbox has pivot-pins m projecting from its ends, and M is a forked lever which engages with the said pins and which rests on the fulcrumblocks m, which project upwardly from one side of the frame A.
N is the bottom board of the molding-box, provided with holes a for the core-blocks.
The molding-box is placed in position on top of the frame and the core-blocks are thrust upward into it through the holes in its bottom board. The cement or othersimilar material is then placed in the molding-box. A carrying-board I is then secured over the top of the molding-box and is secured in position by any suitable clamp 7). The carriage is moved downward in the frame, so that the core-blocks are pulled out of the moldingbox. The moldingbox is then raised by means of the forked lever and is turned over. The molding-box can now be opened and the building-block removed upon the carryingboard.
Molding-boxes of various sizes and shapes are used in carrying out this invention, and as the bottom board with the holes for the core-blocks always remains connected to the molding-box to which it pertains a great saving of expense is effected. The carryingboards are plain boards and cost very little to make.
\Vhat I claim is- 1. The combination, with a supportingframe, of a molding-box provided with pivotpins and resting on the said frame, said molding-box being reversible and being provided with a perforated bottom, a forked liftinglever pivotally supported by the said frame and engaging with the said pins, core-blocks slidable in the said perforated bottom, and means for sliding the said core-blocks.
2. The combination, with a supportingframe, of a molding-box resting on the said frame and provided with hinged side portions,
a perforated bottom plate, and pins projecting from its ends, a carrying-board for the block and means for clamping it to the said molding-box, a forked lifting-lever pivotally supported by the said frame and engaging With the said pins so that the molding-box can be raised and reversed, core-blocks slidable in the said perforated'bottom, and means for sliding the said core-blocks.
3. The combination, With a supportingframe, and a reversible molding-box provided with a perforated bottom Which normally rests on the said frame; of a lifting device pivotally connected With the said box and operating to support it while it is being reversed, core-blocks slidable in the said perforated bottom, and means for sliding the said core-blocks.
t. The combination, With a supportingframe, and a molding-box resting thereon and provided With a perforated bottom; of a carriage slidable vertically in the said frame and provided With longitudinal bars, a series of adjustable cross-bars Which rest on the said longitudinal bars, a series of adjustable coreblocks adjustably secured to the said crossbars and slidable in the said perforatec l bottom, and means for operating the said carriage.
5. The combination, with a supportingframe, and a molding-box resting thereon and provided with a perforated bottom; of a carriage slidable vertically in the said frame and provided With longitudinal slotted bars, a series of adjustable cross-bars provided With slots and secured to the said longitudinal bars, a separate core-block secured adjustably to each said cross-bar, said core-blocks being slidable in the said perforated bottom, and means for operating the said carriage.
In testimony whereof I have affixed my signature in the presence of two Witnesses.
NATHAN W. WARREN.
\Vitnesses:
GILBERT SOOFLATEN, \V. W. RANNEY.
US24903105A 1905-03-08 1905-03-08 Block-molding machine. Expired - Lifetime US801561A (en)

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US24903105A US801561A (en) 1905-03-08 1905-03-08 Block-molding machine.

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