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US84624A - Improved brick-machine - Google Patents

Improved brick-machine Download PDF

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Publication number
US84624A
US84624A US84624DA US84624A US 84624 A US84624 A US 84624A US 84624D A US84624D A US 84624DA US 84624 A US84624 A US 84624A
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Prior art keywords
shaft
box
bar
plunger
machine
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C33/00Moulds or cores; Details thereof or accessories therefor
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B28WORKING CEMENT, CLAY, OR STONE
    • B28BSHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B1/00Producing shaped prefabricated articles from the material
    • B28B1/04Producing shaped prefabricated articles from the material by tamping or ramming

Definitions

  • VIt consists further in the arrangement of a yieldingl latch, in combination with the connecting-rod or pit man which imparts motion to the pusher-bar of the mould, in-such a manner that,'if one of the moulds meets with an unyielding obstruction, the pitman will b e disengaged automatically, and injury to the work'- ing-parts of the machine is avoided.
  • VA represents abox, made of wood or any other suitable material, through/ the centre of which rises the shaft B, which has its bearing on top in the bridge C, and which passesdown through the bottom of the box A, and has its bearing below in a step, a, secured to the frame-work which supports the box A.
  • pug-wheel D Secured to the shaft B, and situated close to the bottom of the box A, .is the pug-wheel D, which serves to temper the clay, and toforce it out into the pressbox E, which. communicates with the box A by means of an opening, b, as shown in figs; 1 and 2.
  • this plunger By the action of this plunger the clay is forced through the grate-shaped bottom of the pressbox into the moulds, which are supported by thel roller-platform G.
  • Figure 1 represents a longitudinal'vertical section I From this description it will be understood that the .stroke of the cross-bar e is uniform, but said cross-bar has a dead motionin the forked standards d, theamount of which can be regulated by stair-shaped -stops j.'
  • stops are hinged to the inner edges ofthe standards d, and they are connected by a rod, k, which sweeps over a perforated arc, l.
  • a pin behind the rod 7c into the arc Z By inserting a pin behind the rod 7c into the arc Z,- the stair-shaped stops are retained in a certain position, and, as the cross-bar e, descends, it strikes said stops, and the plunger is forced down.
  • the stroke ofthe plunger can be adjusted as circumstances may make desirable.
  • the front plate m of 'the press-box, is provided with toothed racks, n, which ⁇ gear in pinions o mounted on a shaft, p, sothat, by turnin g said shaft, the front plate can be raised and lowered with ease and convenience,
  • the moulds are introduced through an aperture, g, in the side of the frame-work supporting the box A, and they are successively pushed under the press-box by the action of a bar, r, which is secured iutwo arms, s, extending froma rock-shaft, t.
  • This rock-shaft is turned back by the action of a spring, u, and itis turned forward by a cam, c, on the shaft t, which acts, at theproper intervals, on a shoulder of the rod w, which connects, by an arm, a', withthe rock-shaft t.
  • connection between the rod 'w and the arm a is effected by a yielding latch, (see iig. 1,) which is so arranged thatwhen the pressure against it exceeds a certain limit, it yields, and releases the rod w.
  • a yielding latch (see iig. 1,) which is so arranged thatwhen the pressure against it exceeds a certain limit, it yields, and releases the rod w.
  • object of this arrangement is to prevent injury tothe mechanism if one of the moulds meets with an undue resistance.
  • the throw of the pusher-bar r is adjusted by shifting the boxes c', which form the bearings for the rock- 'shaft t. These boxes are provided with slots, (see tig. 3,) so that they can be moved towards and om theA shaftfi. When they are brought closer to said shaft, the pusher-bar drives the moulds further out, and, m'cc tersa, and thereby the operator is enabled to adjust the mechanism so that' each mould is brought exactly under the press-box.
  • the shaft i receives its motion om the shaft B of the pugfwheel, and the entire gearing is placed below the box A, so that the operator has free access to the same, and that it is not liable to become choked by the clay.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Crushing And Pulverization Processes (AREA)

Description

@met @tira HENRY H. GRAY, OF HAVERSTRAV N YORK, ASSIGNOR 'FO-HIM- SELF AND MOSES B. PARDEE, OF'NORWALK, CONNECTICUT,
Lette/rs Patent No. 84,624, ,dated December '1, 1868.
mueven BRICK-mem.-
lb-all 'whom it ma/y conce/m: v
Be a known that I, HENRY H. GRAY, 0f never;
straw, ,in the county of Rockland, and State of, New York, have invented a new and improved Brick-Machine; and I do h ereby declare,the following to be' a full, clear, and exact description thereof, which4 willv enable those skilled in the art to make and use the same, reference being had to the accompanying drawing, forming part of this specification, in which drawingmovable stops with stair-shaped edges, in combination with the cross-bar, which imparts motion to the plunger of the press-box in such a manner that, by adjusting said stops, the throw of the plunger can-Abechanged, and that a positive unyielding motion is imparted to said plunger in whatever position the adjustable stops 'may be brought.
VIt consists further in the arrangement of a yieldingl latch, in combination with the connecting-rod or pit man which imparts motion to the pusher-bar of the mould, in-such a manner that,'if one of the moulds meets with an unyielding obstruction, the pitman will b e disengaged automatically, and injury to the work'- ing-parts of the machine is avoided.
VA represents abox, made of wood or any other suitable material, through/ the centre of which rises the shaft B, which has its bearing on top in the bridge C, and which passesdown through the bottom of the box A, and has its bearing below in a step, a, secured to the frame-work which supports the box A.
Secured to the shaft B, and situated close to the bottom of the box A, .is the pug-wheel D, which serves to temper the clay, and toforce it out into the pressbox E, which. communicates with the box A by means of an opening, b, as shown in figs; 1 and 2.
To the ends of the arms of the'pug-wheel D are se cured the broad-wings c, andthespeed of said pug-A wheel is so adjusted that said wings form abutments on the inside of the opening b, and ,prevent the clay from being forced back from the press-box E when the plunger F descends.v
By the action of this plunger the clay is forced through the grate-shaped bottom of the pressbox into the moulds, which are supported by thel roller-platform G.
From the upper surface of the plunger extend two bifurcated standards, d, which straddle the cross-bar e, to which a rising and falling motion is imparted by means of arms j, which extend om the rock-shaft g, that receives an oscillating motion from the eccentricdisk h on the upright shaft fi..
Figure 1 represents a longitudinal'vertical section I From this description it will be understood that the .stroke of the cross-bar e is uniform, but said cross-bar has a dead motionin the forked standards d, theamount of which can be regulated by stair-shaped -stops j.'
These stops are hinged to the inner edges ofthe standards d, and they are connected by a rod, k, which sweeps over a perforated arc, l. By inserting a pin behind the rod 7c into the arc Z,- the stair-shaped stops are retained in a certain position, and, as the cross-bar e, descends, it strikes said stops, and the plunger is forced down. By changing the position of the stops j, therefore, the stroke ofthe plunger can be adjusted as circumstances may make desirable.
The front plate m, of 'the press-box, is provided with toothed racks, n, which `gear in pinions o mounted on a shaft, p, sothat, by turnin g said shaft, the front plate can be raised and lowered with ease and convenience,
and access can be had to the interior of the press-box. v
The moulds are introduced through an aperture, g, in the side of the frame-work supporting the box A, and they are successively pushed under the press-box by the action of a bar, r, which is secured iutwo arms, s, extending froma rock-shaft, t. This rock-shaftis turned back by the action of a spring, u, and itis turned forward by a cam, c, on the shaft t, which acts, at theproper intervals, on a shoulder of the rod w, which connects, by an arm, a', withthe rock-shaft t.
The connection between the rod 'w and the arm a is effected by a yielding latch, (see iig. 1,) which is so arranged thatwhen the pressure against it exceeds a certain limit, it yields, and releases the rod w. The
object of this arrangement is to prevent injury tothe mechanism if one of the moulds meets with an undue resistance.
The throw of the pusher-bar r is adjusted by shifting the boxes c', which form the bearings for the rock- 'shaft t. These boxes are provided with slots, (see tig. 3,) so that they can be moved towards and om theA shaftfi. When they are brought closer to said shaft, the pusher-bar drives the moulds further out, and, m'cc tersa, and thereby the operator is enabled to adjust the mechanism so that' each mould is brought exactly under the press-box.
The shaft i receives its motion om the shaft B of the pugfwheel, and the entire gearing is placed below the box A, so that the operator has free access to the same, and that it is not liable to become choked by the clay. Having thus describedmy invention,
What 1 claim as new, and'desire to secure by Let ters Patent, is-
1. .The stair-shaped stops j, in combination with.
standard Z, cross-bar e, and plunger F, substantially as and for the purpose set forth.
2. The yielding latch b', in combination with the pusher-bar fr, substantially as and for the purpose described,
This speciiication signed by me, this 6th day of October, A; D. 1868.
HENRY H. GRAY.
Witnesses:
W. HAU/1in, Eauns'r F. Kasrnmnnnn.
US84624D Improved brick-machine Expired - Lifetime US84624A (en)

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