US1201717A - Stamp-mill. - Google Patents

Stamp-mill. Download PDF

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Publication number
US1201717A
US1201717A US5566515A US5566515A US1201717A US 1201717 A US1201717 A US 1201717A US 5566515 A US5566515 A US 5566515A US 5566515 A US5566515 A US 5566515A US 1201717 A US1201717 A US 1201717A
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Prior art keywords
cam
pestle
mill
stamp
arm
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US5566515A
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Hector Gawley
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C2/00—Crushing or disintegrating by gyratory or cone crushers
    • B02C2/007—Feeding devices

Definitions

  • the invention consists of a cam of circular form, an arm attachedto the stem of the pestle and arranged to travel upon the cam to impart a lifting of the pestle to. the predetermined height, such arm being suddenly released to admit of the pestle falling rapidly so as to deliver a blow upon the ore or other material to be crushed.
  • the invention further consists of an auto- I matic feed which is adapted to be intermittently actuated by. means of the arm arranged to travel upon the cam.
  • the invention furthermore consists of novel means for imparting rotation to the pestle, whereby the arm connected thereto is caused to travel upon the cam.
  • Figure 1 is a view in elevation of a stamp mill embodying the invention, the cam and mortar being in section;
  • Fig. 2 is a top plan view of the mill;
  • Fig. 3 is a side view of the upper portion of the stamp mill, showing more particularly the feed mechanism.
  • a suitable framework is provided for receiving and supporting the parts comprising the mill.
  • This framework embodies a base 1, uprights 2, a cross piece 3 connecting the upper ends of the uprights 2 and an intermediate cross piece 4.
  • the mortar is mount- 7 Specification of Letters Patent. Patentgd 0 1;, 1916. Application filed October 13; 1915. Serial No. 55,365. j
  • the inner shell 6 pro ects to a height slightly above the upper face of the anvil 5 and is provided with an inwardly and downwardly inclined rim 8which'serves to direct'the material to the anvil.
  • the outer shell 7 is spaced a distance from the inner shell 6 and is provided near its lower end with a spout 9 for carrymg off the crushed material.
  • a screen 10 is attached at its lower end to-the upper portion of the shell 6 and the material, when crushed sufliciently; fine, passes through the meshes of the screen" 10 into the space formed between the shells 6 and 7 and passes ofi' throughthe spout 9;
  • the pestle 11 may consist of a pounder of any desired formation and is provided with a stem 12 which extends vertically and is mounted in the cross pieces 3 and 4 so as to receive both a rotary and a reciprocating movement.
  • a spur gear 13 is fastened to the stem 12 and its teeth are in mesh with the teeth of a long pinion 14 which is journaled at its ends in bearings provided upon the cross pieces 3 and 4.
  • the axis of the long pinion 14 is parallel with the axis of the stem 12 so that the teeth of the gear Wheel 13 will mesh uniformly with the teeth of the long pinion 14 in every adjusted position of the gear wheel.
  • Rotary movement is imparted to the long pinion 14 and is transmitted therefrom to the pestle by means of the intermeshing gear .wheel 13.
  • the long pinion 14 may be driven from a source of power by any suitable means and, as shown, a drive shaft 15 mounted in bearings provided upon the cross bar 3 is provided at one end with a beveled gear 16 which is in'mesh with a companion beveled gear 17 secured to the upper end of the shaft or journal. of the long pinion 14.
  • a band pulley 18 secured to the drive shaft 15, is adapted to receive movement from a suitable source of power by means of a. drive belt 19.
  • An arm 20 is secured to the upper portion of'the stem 12 and is provided at its free end with a roller 21 which is arranged to travel upon a cam 22 which is secured to the cross piece 3 in any manner.
  • the cam 22 is of circular formation and constitutes a track for the roller 21 to travel upon.
  • One end of the cam 22 terminates abruptly and when the roller 21 clears the high end of the cam, the pestle drops a distance corresponding to the lift of the cam.
  • the rotation 6f the pestle imparts a corresponding rotary movement to the arm 20 and the roller 21 riding upon: the cam- 22 causes the pestle to gradually rise preliminary to delivering the next stroke whefi'the arm 20 clears the high end of the cam 22.
  • the weight of the pestle and the'lift' of the cam 22 determine. the force of theblow d elivered by the pestle when the mill is in oper o
  • the connection between the; lever'] 27 and valve 25 is indicated at 28 While the leverl2 7 may be disposed in any manner,it'is shown arranged with theend adapted to be engaged bythe roller 21 at. a point between the high I and the low ends (if the cam 22. i
  • a stamp millembodyinga rotary reciprocating pestle,- a stationary cam concentric with the stem of the pestle an arm extending from the end of the pestle and having its free endadapted to ride on the cam; and a feeder comprising a spout arranged to deliver material below and into the path of the pestle, a lever fulcrumed between its w ends adjacent the cam andhaving one end projected under the cam-into the path of the free end of the arm traveling thereo'ver, avalve controlling thefiow through the said spout, and; a connection between the said valve and the lever,

Description

H. GAWLEY.
STAMP MILL.
APPLICATION FILED OCT. 13. I915- Patented Oct. 17,1916.
2 SHEETSSHEET 2- I f T2 W wowtoz fiG'azuZg To unm WASNINGTON, n :2
m5 mum's PEYEHS can F 61mm; 5 t
UNITED" STATES PATENT. OFFICE.
HECTOR GAWLEY. OF TACOMA, WASHINGTON.
STAMP-MILL.
reciprocated and at the same time rotated whereby its crushing face is relatively changed to the anvil so as to cause all parts to wear uniformly.
The invention consists of a cam of circular form, an arm attachedto the stem of the pestle and arranged to travel upon the cam to impart a lifting of the pestle to. the predetermined height, such arm being suddenly released to admit of the pestle falling rapidly so as to deliver a blow upon the ore or other material to be crushed.
The invention further consists of an auto- I matic feed which is adapted to be intermittently actuated by. means of the arm arranged to travel upon the cam.
The invention furthermore consists of novel means for imparting rotation to the pestle, whereby the arm connected thereto is caused to travel upon the cam.
With these and other objects in view, my invention will be more fully described, illustrated in the accompanying drawings, and then specifically pointed out in the claims which are attached to and form a part of this application.
In the drawings: Figure 1 is a view in elevation of a stamp mill embodying the invention, the cam and mortar being in section; Fig. 2 is a top plan view of the mill; Fig. 3 is a side view of the upper portion of the stamp mill, showing more particularly the feed mechanism.
Corresponding and like parts are referred to in the following description and indicated in all the views of the drawings by the same reference characters.
A suitable framework is provided for receiving and supporting the parts comprising the mill. This framework embodies a base 1, uprights 2, a cross piece 3 connecting the upper ends of the uprights 2 and an intermediate cross piece 4. The mortar is mount- 7 Specification of Letters Patent. Patentgd 0 1;, 1916. Application filed October 13; 1915. Serial No. 55,365. j
ed upon thebase 1 and comprises an anvil 5 and inclosing shells 6 and 7. The inner shell 6 pro ects to a height slightly above the upper face of the anvil 5 and is provided with an inwardly and downwardly inclined rim 8which'serves to direct'the material to the anvil. The outer shell 7 is spaced a distance from the inner shell 6 and is provided near its lower end with a spout 9 for carrymg off the crushed material. A screen 10 is attached at its lower end to-the upper portion of the shell 6 and the material, when crushed sufliciently; fine, passes through the meshes of the screen" 10 into the space formed between the shells 6 and 7 and passes ofi' throughthe spout 9; The pestle 11 may consist of a pounder of any desired formation and is provided with a stem 12 which extends vertically and is mounted in the cross pieces 3 and 4 so as to receive both a rotary and a reciprocating movement.
A spur gear 13 is fastened to the stem 12 and its teeth are in mesh with the teeth of a long pinion 14 which is journaled at its ends in bearings provided upon the cross pieces 3 and 4. The axis of the long pinion 14 is parallel with the axis of the stem 12 so that the teeth of the gear Wheel 13 will mesh uniformly with the teeth of the long pinion 14 in every adjusted position of the gear wheel. Rotary movement is imparted to the long pinion 14 and is transmitted therefrom to the pestle by means of the intermeshing gear .wheel 13. The long pinion 14 may be driven from a source of power by any suitable means and, as shown, a drive shaft 15 mounted in bearings provided upon the cross bar 3 is provided at one end with a beveled gear 16 which is in'mesh with a companion beveled gear 17 secured to the upper end of the shaft or journal. of the long pinion 14. A band pulley 18 secured to the drive shaft 15, is adapted to receive movement from a suitable source of power by means of a. drive belt 19.
An arm 20 is secured to the upper portion of'the stem 12 and is provided at its free end with a roller 21 which is arranged to travel upon a cam 22 which is secured to the cross piece 3 in any manner. The cam 22 is of circular formation and constitutes a track for the roller 21 to travel upon. One end of the cam 22 terminates abruptly and when the roller 21 clears the high end of the cam, the pestle drops a distance corresponding to the lift of the cam.
The rotation 6f the pestle imparts a corresponding rotary movement to the arm 20 and the roller 21 riding upon: the cam- 22 causes the pestle to gradually rise preliminary to delivering the next stroke whefi'the arm 20 clears the high end of the cam 22. The weight of the pestle and the'lift' of the cam 22 determine. the force of theblow d elivered by the pestle when the mill is in oper o The ore or other material-tobe crushed valve 25gfor operating the same. I The connection between the; lever'] 27 and valve 25 is indicated at 28 While the leverl2 7 may be disposed in any manner,it'is shown arranged with theend adapted to be engaged bythe roller 21 at. a point between the high I and the low ends (if the cam 22. i The roller 21, in its travel from the high end of the cam to the low end, passes over the end of subjected tothe pounding action of the pestle Having, thus described the invention, what is claimed as new is:
A stamp millembodyinga rotary reciprocating pestle,- ,a stationary cam concentric with the stem of the pestle an arm extending from the end of the pestle and having its free endadapted to ride on the cam; and a feeder comprising a spout arranged to deliver material below and into the path of the pestle, a lever fulcrumed between its w ends adjacent the cam andhaving one end projected under the cam-into the path of the free end of the arm traveling thereo'ver, avalve controlling thefiow through the said spout, and; a connection between the said valve and the lever,
In testimony 7 whereof I affix my signature. (a, a o
V HECTOR GAVVLEY; [L. s.]
Ciifii'el of ,t'hi s iateif may be-obtained fonfive cents each, by addressing the Commiuioner of fatent l i i A wasmn t mn. c."
US5566515A 1915-10-13 1915-10-13 Stamp-mill. Expired - Lifetime US1201717A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2558156A (en) * 1947-11-25 1951-06-26 Benjamin J Pugh Ore mill
US2689094A (en) * 1951-10-19 1954-09-14 Zaderenko Sergio Stamp mill

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2558156A (en) * 1947-11-25 1951-06-26 Benjamin J Pugh Ore mill
US2689094A (en) * 1951-10-19 1954-09-14 Zaderenko Sergio Stamp mill

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