US2637057A - Machine for cleaning and scraping pallets of block molds - Google Patents

Machine for cleaning and scraping pallets of block molds Download PDF

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Publication number
US2637057A
US2637057A US51977A US5197748A US2637057A US 2637057 A US2637057 A US 2637057A US 51977 A US51977 A US 51977A US 5197748 A US5197748 A US 5197748A US 2637057 A US2637057 A US 2637057A
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Prior art keywords
cutter
pallets
shaft
base plate
members
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US51977A
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Leonard D Moore
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Leonard D Moore
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B28WORKING CEMENT, CLAY, OR STONE
    • B28BSHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B7/00Moulds; Cores; Mandrels
    • B28B7/38Treating surfaces of moulds, cores, or mandrels to prevent sticking
    • B28B7/386Cleaning

Description

y 5, 1953 D. MOORE 2,637,057
MACHINE FOR CLEANING AND SCRAPING PALLETS OF BLOCK MOLDS Filed Sept. 50, 1948 5 Sheets-Sheet l g 7 'BY W- r; ATTORNEYS.
May 5, 1953 L. D. MOORE 2,537,057
MACHINE FOR CLEANING AND SCRAPING PALLETS 0F BLOCK MOLDS Filed S ept. 50, 1948 5 Sheets-Sheet 2 L D. Maore INVENTOR ATTORNEYS y 5, 1953 L. D, MOORE 2,637,057
MACHINE FOR CLEANING AND SCRAPING PALLETS 0F BLOCK MOLDS Filed Sept. 50, 1948 5 Sheets-Sheet 5 INVENTOH BY W.
ATTORNEYS.
May 5, 1953 L. D. MOORE 2,637,057
MACHINE FOR CLEANING AND SCRAPING PALLETS OF BLOCK MOLDS Filed Sept. 50, 1948 5 Sheets-Sheet 4 I D. more a INVENTOR 1 I BY 1 1 r I z ATTORNEYS.
5 Sheets-Sheet 5 L. D. MQORE INVENTOR a H m o m MACHINE FOR CLEANING AND SCRAPING PALLETS 0F BLOCK MOLDS May 5, 1953 Filed Sept. 50, 1948 e W l Patented May 5, 1953 UNITED STATES PATENT OFFICE EMACHINE IFOR CLEANING AND SCRAPING PALLETS OF BLOCKIMQLDS ".Leonar'd'D. Moore, Ogden, Utah Applicationiseptcmber 30, 19d8,' SeflaINu.51,97-l
v.3 Claims.
This invention relates to "improvements in pallet cleaning machines.
An object of the invention .is to provid :an improved cleaning machine for removing the extraneous concrete from pallets used for supporting cementblocks in cement block. making plants.
Another object of :the invention .is to provide an improved power driven reciprocating cutter pallet cleaning machine for periodically cleaning plates or pallets used inacement block making plants.
A further object 'of the invention is to provide an improved automatically ied power operated pallet cleaning machine having a plurality of reciprocable and adjustably tensioned cutters for removing the concrete coating built up on the plates or pallets used :for supporting concrete blocks when being formed in plants where concrete blocks are manufactured.
A still further object of the invention is to provide ran improved pallet cleaning machine which'will be highly efficient in operation, and relatively inexpensive to manufacture and produce.
Other objects will appear as the description proceeds.
In the accompanying drawings which form a part of thisapplication,
Figure -1 is .a side elevation of the improved pallet cleaning machine;
.Figure .2 is va top plan :view of the improved pallet cleaning machine;
Figure .3 is-anaend view of the improved pallet cleaning machine;
Figured is a detail side elevation of the chain with pallet advancing dog showing the same in engagement with ;a pallet shown in sectioned elevation;
Figure 5 is a top plan View of the chain and palletadvancingdog;
Figure 6 is a perspective view of the fixed support for the reciprocable shaft upon "which the cutter tableis supported, showing the adjustable tensioning means for the shaft upon which a roller will be mounted for applying a downward pressure upon the cutter table;
Figure '7 is an enlarged plan view of the cutter table with resiliently tensioned cutter bars supportedthereby;
Figure 8 is a front elevation of thecutter table with resiliently, .tensioned cutter bars supported thereby;
Figure 9 is a partial sectional view taken on line 9--'9 of Figured;
Figure 10 is an enlarged detail front elevation theright, and
Figure 11 .is'an "enlarged detail front elevation of a resiliently tensioned cutter angled to out tothe left.
Fig. 12 a sectional view taken'on line 12-12 of Fig.9.
.Like'characters of reference are used throughout the following specification and the accompanying drawings to designate correspondin parts.
In carrying out the invention, there ;-is shown and provided an improved pallet cleaning ima chine including a main supporting frame generally designated by the reference numeral it formed by the'transversely spaced longitudinally extending angle ironaside bottom members 2 and interconnected transversely extending angle iron end bottom members 3 suitably connected betweenthe opposite ends of the side bottom members 2. A base plate 4 is suitably attached to the members 2 and 3, providing means for supporting the driving mechanism 'for the pallet cleaning machinalater more fully described.
'Iransversely spaced upwardly extending angle iron standards 5 and 6 are secured to the end bottom members 3, and are connected'together by means oi the top and intermediate angle iron side members I and 8, which are considerably longer than the base plate 4 and extend laterally thereof. Transversely extending channel members 9 are secured between the top and intermediate angleiron side members I and 8, being disposed in longitudinally spaced relation to each other. A-pair of spaced longitudinally extending angle iron supporting members l0 and H are attached to the upper transverse end members l2, and extend ona common plane with the top angle iron side-members J and between the same, as clearly shown in Figures 2:and 3 of the drawings, thus forming .a table over which the pallets I3 will slide as they are being cleaned.
A pallet holding rack is provided on top of the tableforming members l, 10 and H "andconsists of the transversely spaced upwardly extending angle iron corner members 14 suitably attached to the members I and connected by means of the cross strip member 15. A pair of upwardly extending resilient arms 16 are suitably attached to the members it! and III for engagement with the ends of the pallets [3 when stacked within the rack.
An electric motor I? is mounted upon the base plate 4 and is connected by means of the coupling IS with a clutch mechanism I9 having an upstanding operating handle 26, said clutch mechanism l9 also being mounted upon the base plate 4.
'A driven shaft 2! extends from the clutch mechanism I9 and supports a pulley 22 thereon, over which an endless belt 23 extends.
A vertical web or plate support 24 is attached to a side bottom member 2, being provided with transversely spaced bearing ears 25 through which a shaft 26 is rotatably supported. A large pulley 21 is secured to one end of the shaft 26 and also supports and is driven by the belt 23. A worm 28 is secured to the shaft 26 between the bearing cars 25 and meshes with the spur gear 29 fixed to the end of the transversely extending shaft 30 mounted for rotation at the upper end of the web or plate support 24. A small spur gear 3| is fixed upon the inner end of the shaft 30. An endless chain 32 extends about the gear 3| and about a large gear 33 secured to one end of the cross shaft 34 mounted in the bearing brackets 35 supported by the intermediate side members 8, said shaft 34 extending below the table forming members I, I0 and 'II.
Transversely spaced sprocket wheels 36 are secured upon the central portion of the shaft 34 and are connected by the chains 31 and 38 with similar spaced sprocket wheels 39 fixed upon the cross shaft 40 mounted in the bearings 4| disposed between the top and intermediate side members I and 8.
Upstanding pallet engaging dogs 42 are formed i on a number of the links 43 of the chains 31 and 38, being positioned at intervals in opposed relation, and formed with shoulders 44 for engaging the lowermost pallet I3 in the stock when in the rack, and move the said lowermost pallet I3 along the table formed by the members 1, I0 and II to the proper position to be cleaned as the electric motor I'I drives through the several gears and chains, and pulleys and belt.
A drive shaft 45 is mounted transversely below the table formed by the members 1, I0 and II, and supports a bevel gear 46 on one end thereof which meshes with the smaller bevel gear 41 on the adjacent end of the stub shaft 48 mounted in the housing 49. A bearing collar 50 is supported by the housing 49 and supports the stub shaft 48. A pulley 5| is fixed upon the opposite end of the stub shaft 48 and is driven by the belt 23 and electric motor IT.
A crank arm 5| is secured to the opposite end of the drive shaft 45 and is joined by a ball and socket joint or connection 52 with the pitman rod 53. v The opposite end of the pitman rod 53 is connected with one end 54 of a bell crank lever 55 pivoted at 56 to a supporting bracket 51 on the side edge of a member 1'. The opposite end 58 of the reciprocable bell crank lever 55 is connected by the link 59 with reciprocable cutter base plate generally designated by the reference numeral 60.
A cutter base plate support is fixed transversely of the top table members 'I and on the upper surfaces thereof,and comprises the angle iron member 6| provided with a vertically extending central portion 62 having spaced bearing ears 63 on the upper end thereof. A tensioning arm 64 is pivotally supported at 65 between the bear ing ears 63, and supports a rearwardly extending screw 56 at its lower end which is slidably extended through an opening 6'! in said member 5 I. The rear threaded end of the adjusting screw 66 extends through the angle iron support 68, and between the coil springs 69. These coil springs are disposed between the support 68 and the table support member 6|, their tension being varied by the nut I0 on the screw 66, said springs normally directing a pull on the tensioning arm 64, tilting the shaft I2 downwardly whereby the desired downward pressure will be exerted upon the roller bearing II mounted upon the outer end of the adjustable shaft I2 supported in the sleeve I3 welded at 14 to the tensioning arm 64 pressing the bearing plate I5 downwardly, as said roller bearing 1| bears upon the transverse bearing plate I5 on the reciprocable T-shaped cutter base plate 60.
A pair of forwardly and downwardly extending arms I8 and 1! are secured to the upper edge of the fixed support 6| and have the aligned bearings I8 and I9 welded at to their lower ends. A shaft 8| is reciprocably mounted in the aligned bearings I8 and I9 and supports the cutter base plate 60 which is welded at 82 thereto.
A plurality of transversely spaced bearing brackets 83, 84 and 85 are fixed at the center and opposite ends of the T-shaped cutter base plate 60 for receiving the pivot bolt 86, which in turn pivotally and tiltably supports the inner ends of the cutter blade supporting arms 81. The supporting arms 81 are provided with openings 81' that are substantially greater in diameter than the pivot bolt 86 mounted therein, so that a loose fit is provided between the arms 81 and the pivot bolt 86 allowing a tilting movement of the arms 81 on'said bolt 86. Vertically disposed cutter blades 88 are clamped to the outer ends of the cutter blade supporting arms 81 by means of the clamp plates 89 and bolts 90.
A pair of transversely spaced upwardly extending guide plates 9| are disposed at the opposite sides of each of the four cutter blade supporting arms 81 being suitably attached to the upper surface of the reciprocable cutter base plate 60, and support the bearing plate I5 on their upper edges.
Forwardly extending apertured bearing ears 92 are formed integrally on the front edges of the guide plates 9| for supporting the bearing pins 93 upon which the four forwardly extending pressure bars 94 are rockably supported intermediate their ends.
Adjusting screws 95 are threaded vertically through the rear ends of the pressure bars 94 with their lower ends on the rear ends of the cutter blade supporting arms 87. Coil springs 96 are disposed between the cap plates 91 on the forward ends of the pressure bars 94 and the lower bearings 98 on the upper forward surfaces of the cutter blade supporting arms 81, whereby the said arms 81 with their cutter blades 88 may be tilted angularly either to the right or left and held under the desired resilient tension while cllaeaning the cement coating 99 from the pallets A pair of rollers I00 are mounted upon the supporting pins |0| secured to the forward edge of the reciprocable cutter table 60 and contact the pallets I3 providing a support for the table 60 as it is reciprocated back and forth by the crank 5|, pitman rod 53, bell crank lever 55, and connecting link 59.
A U-shaped crank shaft I02 is mounted transversely of the members 'I in brackets I03 attached to said members, and supports the rollers I04 for engaging and applying downward pressure ports a central roller I08 for contacting the upper surface of the pallets I3 as the cutter blades 88 reciprocate over the same in the cleaning operation. An arm I09 is attached to one end of the shaft 106 and adjustably supports the weight III] threaded thereon for varying the downward pressure of the roller I08 upon the pallet I3.
From the foregoing description, it will be seen that as the pallets I3 are moved from the bottom. of the stock by the chains 31 and 38 and dogs they will pass under the rollers I04 and then under the roller I08 to be cleaned by the reciprocating cutter blades 88, and finally when cleaned, said pallets I3 will be discharged from the opposite end of the machine.
A shaft III having an arcuate manipulating handle I I2 is mounted transversely below the top angle iron side members 1 directly below the reciprocable cutter table 60, and is provided with the spaced upwardly and forwardly extending arms H3 which support the roller bearings II4 at their outer ends for engaging the under surfaces of the pallet I3 which is being cleaned, to lift it level and to the same plane with the next oncoming adjacent pallet l3, in case there is a difference in thickness between the adjacent pallets I3.
While the preferred embodiment of the instant invention has been illustrated and described, it will be understood that it is not intended to limit the scope of the invention thereto, as many minor changes in detail of construction may be resorted to without departure from the spirit of the invention.
Having thus described my invention what I claim as new and desire to secure by Letters Patent of the United States is:
1. In a pallet cleaning machine, a frame, a cutter base plate mounted on the frame, a pallet rack at one end of the cutter base plate in which pallets are held, means for moving the pallets longitudinally of the cutter base plate, a cutter support including a cutter table disposed transversely of the cutter base plate in spaced relation therewith, bearings mounted on the cutter base plate, a shaft mounted within said bearings, supporting arms mounted on the cutter table extending beyond one horizontal edge thereof, pairs of vertical guide plates on the cutter table mounted in spaced relation with respect to each other, cap plates disposed transversely of the cutter table between the planes of the vertically disposed guide plates, coiled springs mounted between planes in which said plates lie, the upper ends of the coiled springs resting against said cap plates, lower bearings on the supporting arms against which the lower ends of said springs engage, restraining upward movement of said supporting arms, cutter blades pivotally mounted with respect to the cutter base plate, adjustable pressure arms pivotally mounted intermediate their ends, one of the ends of each arm resting on a coiled spring normally compressing the springs urging the cutter blades to their work, adjusting screws extending in openings formed in the other ends of said arms, adjusting said arms vertically, and means for moving the cutter table with its cutting blades laterally over the pallet being cleaned.
2. In a pallet cleaning machine, a frame including a cutter base plate, a pallet rack at one end of the cutter base plate from which pallets are delivered to said cutter base plate, a cutter table movable transversely of the cutter base plate in vertical spaced relation therewith, a transversely disposed shaft secured to the cutter table, blade supporting arms loosely mounted on said shaft disposed longitudinally of the frame, vertical cutter blades supported on the blade sup-porting arms, coiled springs resting on the blade supporting arms, spaced guide plates rising from said cutter table, pressure bars having one of their respective ends pivotally held between said spaced guide plates, the other ends of said pressure bars resting on said springs exerting downward pressure on said blade supporting arms beyond the normal pressure directed to the blades by said coiled springs upon upward movement of said cutter blades, and means for moving the cutter table and blades transversely of the cutter base plate.
3. In a pallet cleaning machine, a frame including a cutter base plate, a pallet rack on said cutter base plate, a cutter table movable transversely of said cutter base plate in vertical spaced relation therewith, a transversely disposed shaft secured to the cutter table, blade supporting arms loosely mounted on the shaft extending therefrom and disposed longitudinally of the frame, vertical cutter blades supported on the blade supporting arms, coiled springs resting on said blade supporting arms normally biasing said blade supporting arms downwardly, pressure arms pivotally mounted on the cutter table, means for adjusting the pressure arms with respect to their pivots, said pressure arms engaging and compressing the springs against the blade supporting arms, a horizontal bearing plate mounted above said pressure arms, fixed with respect to said cutter base plate, horizontal rods on which said arms are rockably supported, a tensioning arm supported by the cutter table, a vertically movable spring pressed shaft extending from the tensioning arm and being movable with one end of the shaft resting on the horizontal bearing plate urging said bearing plate and cutter table towards the cutter base plate, compensating for varying thicknesses of material being cleaned from the pallets, and means for moving the cutter table and cutters transversely of the cutter base plate, cleaning material from the pallets moving over the cutter base plate.
LEONARD D. MOORE.
References Cited in the file of this patent UNITED STATES PATENTS Number Name Date 83,322 Sanford Oct. 20, 1868 1,225,871 Scott May 15, 1917 1,275,365 Bausman Aug. 13, 1918 1,441,392 Bastian Jan. 9, 1923 1,443,426 Melgers Jan. 30, 1923 1,509,836 Haldeman et al. Sept. 30, 1924 1,611,920 Kinzbach Dec. 28, 1926 1,616,007 Smith Feb. 1, 1927 1,674,263 Pirrone June 19, 1928 1,776,739 OBrien Sept. 23, 1930 1,864,821 Heuze June 28, 1932 2,202,914 Jones et al June 4, 1940 2,333,285 Wellnitz Nov. 2, 1943 FOREIGN PATENTS Number Country Date 583,310 France Oct. 29, 1924
US51977A 1948-09-30 1948-09-30 Machine for cleaning and scraping pallets of block molds Expired - Lifetime US2637057A (en)

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Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2752621A (en) * 1952-06-17 1956-07-03 David J Warsaw Block-mold pallet cleaning mechanism
US2799879A (en) * 1954-09-27 1957-07-23 Frese Verne Machine for cleaning pallets
US3110050A (en) * 1962-02-09 1963-11-12 Sainio Rainer Lennart Cleaning machine for shuttering boards used for concrete formwork
US3217348A (en) * 1963-09-13 1965-11-16 Besser Co Reciprocating pallet cleaner
US3388414A (en) * 1965-03-24 1968-06-18 Gulf Research Development Co Grooving apparatus for preparing corrosion test sample
DE1434375B1 (en) * 1962-04-10 1970-01-22 Karl Laule Device for cleaning shuttering panels or boards and the like.
US3657758A (en) * 1969-03-27 1972-04-25 Harvey B Lazar Apparatus for cleaning trays and the like
US4958398A (en) * 1989-08-07 1990-09-25 Schmidt Charles J Robot cleaner for use between parallel platens
US20080092312A1 (en) * 2006-10-20 2008-04-24 Shiloh Industries, Inc. Scraper tool for removing material from a surface of a metal work piece
US20080135061A1 (en) * 2006-12-07 2008-06-12 Millwood, Inc Pallet cleaning station and method

Citations (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US83322A (en) * 1868-10-20 Improvement in machines for sharpening the cutters of mowing-machines
US1225871A (en) * 1916-08-17 1917-05-15 Southworth Company Watermarking device.
US1275365A (en) * 1917-09-12 1918-08-13 Nat Equip Co Plaque-cleaning machine.
US1441392A (en) * 1921-05-02 1923-01-09 August Von Endt Reed-stoning machine
US1443426A (en) * 1919-05-19 1923-01-30 Melgers Wilhelmus Chr Johannes Apparatus for mechanically cleaning the material in use with concrete structures
US1509836A (en) * 1922-05-08 1924-09-30 John J Haldeman Reed-polishing machine
FR583310A (en) * 1924-07-04 1925-01-10 Wood sanding machine
US1611920A (en) * 1926-12-28 Machine fob cleaning and reconditioning pipe
US1616007A (en) * 1925-04-17 1927-02-01 Smith George Means for preparing pans for baking
US1674263A (en) * 1926-10-21 1928-06-19 Harry A Klingensmith Apparatus for cleaning and polishing plate glass
US1776739A (en) * 1925-06-10 1930-09-23 O'brien John Honey-section cleaner
US1864821A (en) * 1929-01-22 1932-06-28 Heuze Charles Device for cleaning traveling tables
US2202914A (en) * 1938-06-28 1940-06-04 Youngstown Sheet And Tube Co Method and apparatus for removing burrs
US2333285A (en) * 1941-07-16 1943-11-02 Harry A Wellnitz Block-mold pallet cleaning machine

Patent Citations (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1611920A (en) * 1926-12-28 Machine fob cleaning and reconditioning pipe
US83322A (en) * 1868-10-20 Improvement in machines for sharpening the cutters of mowing-machines
US1225871A (en) * 1916-08-17 1917-05-15 Southworth Company Watermarking device.
US1275365A (en) * 1917-09-12 1918-08-13 Nat Equip Co Plaque-cleaning machine.
US1443426A (en) * 1919-05-19 1923-01-30 Melgers Wilhelmus Chr Johannes Apparatus for mechanically cleaning the material in use with concrete structures
US1441392A (en) * 1921-05-02 1923-01-09 August Von Endt Reed-stoning machine
US1509836A (en) * 1922-05-08 1924-09-30 John J Haldeman Reed-polishing machine
FR583310A (en) * 1924-07-04 1925-01-10 Wood sanding machine
US1616007A (en) * 1925-04-17 1927-02-01 Smith George Means for preparing pans for baking
US1776739A (en) * 1925-06-10 1930-09-23 O'brien John Honey-section cleaner
US1674263A (en) * 1926-10-21 1928-06-19 Harry A Klingensmith Apparatus for cleaning and polishing plate glass
US1864821A (en) * 1929-01-22 1932-06-28 Heuze Charles Device for cleaning traveling tables
US2202914A (en) * 1938-06-28 1940-06-04 Youngstown Sheet And Tube Co Method and apparatus for removing burrs
US2333285A (en) * 1941-07-16 1943-11-02 Harry A Wellnitz Block-mold pallet cleaning machine

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2752621A (en) * 1952-06-17 1956-07-03 David J Warsaw Block-mold pallet cleaning mechanism
US2799879A (en) * 1954-09-27 1957-07-23 Frese Verne Machine for cleaning pallets
US3110050A (en) * 1962-02-09 1963-11-12 Sainio Rainer Lennart Cleaning machine for shuttering boards used for concrete formwork
DE1434375B1 (en) * 1962-04-10 1970-01-22 Karl Laule Device for cleaning shuttering panels or boards and the like.
US3217348A (en) * 1963-09-13 1965-11-16 Besser Co Reciprocating pallet cleaner
US3388414A (en) * 1965-03-24 1968-06-18 Gulf Research Development Co Grooving apparatus for preparing corrosion test sample
US3657758A (en) * 1969-03-27 1972-04-25 Harvey B Lazar Apparatus for cleaning trays and the like
US4958398A (en) * 1989-08-07 1990-09-25 Schmidt Charles J Robot cleaner for use between parallel platens
US20080092312A1 (en) * 2006-10-20 2008-04-24 Shiloh Industries, Inc. Scraper tool for removing material from a surface of a metal work piece
US7971303B2 (en) * 2006-10-20 2011-07-05 Shiloh Industries, Inc. Scraper tool for removing material from a surface of a metal work piece
US20110226281A1 (en) * 2006-10-20 2011-09-22 Shiloh Industries, Inc. Method of removing material from a surface of a metal work piece
US8414707B2 (en) 2006-10-20 2013-04-09 Shiloh Industries, Inc. Method of removing material from a surface of a metal work piece
US8715424B2 (en) 2006-10-20 2014-05-06 Shiloh Industries, Inc. Method of removing material from a surface of a metal work piece
US20080135061A1 (en) * 2006-12-07 2008-06-12 Millwood, Inc Pallet cleaning station and method

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