US1886089A - Grinding machine - Google Patents

Grinding machine Download PDF

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Publication number
US1886089A
US1886089A US588306A US58830632A US1886089A US 1886089 A US1886089 A US 1886089A US 588306 A US588306 A US 588306A US 58830632 A US58830632 A US 58830632A US 1886089 A US1886089 A US 1886089A
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Prior art keywords
teeth
gear
dents
eccentrics
grinder
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US588306A
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English (en)
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Dronsfield James
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Individual
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Individual
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B19/00—Single-purpose machines or devices for particular grinding operations not covered by any other main group
    • B24B19/16—Single-purpose machines or devices for particular grinding operations not covered by any other main group for grinding sharp-pointed workpieces, e.g. needles, pens, fish hooks, tweezers or record player styli
    • B24B19/18—Single-purpose machines or devices for particular grinding operations not covered by any other main group for grinding sharp-pointed workpieces, e.g. needles, pens, fish hooks, tweezers or record player styli for grinding carding equipment, e.g. card-clothings

Definitions

  • the mechanism according to the invention comprises a complete attachable and detachable apparatus suitable for dealing with the wire en the main cylinder or doifer and either for right or left hand cards, and said apparatus comprises a travelling grinder consisting of spaced emery discs, and this travelling grinder'i's rotated by a grinder tube at a'considerable speed. It is'also traversed backwards and forwards across the main cylinder etc., at a slow speed.
  • the grinder Itube or support for the travel- :ling grinder and its traversing mechanism are mounted in bearings or supportson mov- 'able slides or carriages, the same being adaptedfto operate in such afashion as will cause the spacedV discs on the grinder to gradually and very slowly penetrate between the 588,306, and in Great maar october s, 1931.
  • the gear train by which the eccentrics 'are operated from the right and left hand traversing screw to slowly advance and slowly withdraw the group of mechanism including they revolving grinding discs, etc. is such, that provision can be made by combined hand-operated mechanism to quickly operate the gears and set the'eccentrics to place the revolving grinding discs to any setting relatively to the dents being ground which is withinl the range of the mechanism, and there may be arranged an exterior graduated scale which, when a provided manually operated gear is worked, moves with respect to a pointer.
  • lVe also provide means to drive the shell or tube supporting the revolving grinding discs at a suitable speed from a convenient revolving shaft, and also measn to drive the right and left hand screw-threaded shaft (which traverses the known forks for the revolving grinding discs) backwards and forwards, as
  • Fig. 8 is an end elevation of the mechanism or apparatus looking from the right of Fig. 6.
  • VFig. 9 shows a section of a speed reducing ear.
  • Fig. 10 is an end elevation of Fig. 9.
  • Fig. 11 shows the use of a simple setting uge for use when setting the grinder device to the teeth or dents on the wire clothed ,cylinder or the like.
  • FIGs. 12.and 13 are diagrammatic side elevation' and plan indicating the disposition of the apparatus in connection with a carding engine, the disposition at the right-hand end being that for grinding the main cylinder of the carding engine, and the disposition at the eft-hand end being that for grinding the doiier.
  • a builtup rail structure one on the right-hand and one on the left-hand, and such are suitably s aced and cross-connected, the drawing p owing such structures as being fixed to a stron shaped cross-rail a.
  • the built-up rail structures comprise a 'fixed bed a2 with planed ways, upon each of which is mounted a lower carriage or slide element b with bolted-on upright bracket b', each such lower carriage or slide element b being adjustable by a screw b2 and handwheel b3 permitting manual setting.
  • the upper carriages or slides c which sustain the bea-rlngs for the socket-like shafts d1, d2 for the setting or slotted tube d, and within which the axle ends of the ri ht-andleft hand screw-threaded shaft d5 or traversing the grinding device rotate, are, however, automatically moved to slowly advance the grinding device e of grouped grinding discs (after the manual setting) deeper between the teeth or dents f, and then to slowly retract the grinding device e.
  • a portion of the teeth or dents in the clothing or support are diagrammatically represented at f in Fig. 6.
  • the shell e1 for the grinding device e that is, the tube upon which said revolving grinder device is carried and u on which it moves laterally to right and le t has its axle ends e2, e2, supported in bearings in swivelling brackets e3, e3, mounted on the upper carriages or slide elements c.
  • the carriage or slide elements c, 0, upon which these brackets are mounted are very slowly traversed towards and from the main cylinder or the like of the carding engine, and the said axle e2 can be driven through a grooved pulley e4 and link belt from any suitable part of the carding engine or otherwise, as will be later explained, say at about 800 revolutions per minute.
  • socket-like shafts d1, d of the traversing mechanism sheaths, lthat is, two sheaths s, s, with which eccentrics g, g co-operate, which eccentrics have an eccentricity of say 1/32 of an inch, and which are later dealt with, and these sheaths s, a have at s1, s1, two point anchorage devices a2 attached at sa to the upright brackets b1 fixed to the lower carriages or slide elements b.
  • the gearing for effecting the slow automatic advancement and slow automatic retraction of the rotating and traversing grinder device e that is, for driving the eccentrics eccentric g at the other or non-gear end of the mechanism.
  • a double spur wheel m with two rings m1, m2 of external teeth, the larger ring m1 of teeth gearing with an internal ring of teeth m3 on the gear casing y', the smaller ring of teeth m2 gearing with an internal ring of teeth nl on a closing cap or sleeve n which is fixed -on the socket-like shaft (Z1.
  • the socket-like shaft (Z2 at the other end carries .the eccentric g which fits the anchored ,sheatha
  • the eccentrics g, g are keyed or fixed 'upon the socket-like shafts (Z1, (Z2. as will be understood.
  • the whole toothed gear structure above described constitutes an enclosed very slow motion gear.
  • the slow motion gearing is one which provides for a very slow or gradual advance ⁇ ment and retraction of the Orinder device c over a lengthened period, as it might be about 2 hours.
  • the drive for the axle ((Z3 or (Z4) of the right and left hand screw-threaded shaft- (Z of the traversing device can be effected by a chain wheel (Z9 fixed on the axle end, ,such motion being transmitted through the
  • the number of teeth in the gear wheels and the resulting time of advancement and retraction can be set down as thus.
  • the lettered gear wheel ZL has 42 teeth, h1 has 62 teeth, h3 has 84 teeth, l has 7() teeth, 2 42 teeth, 7:2 17 teeth, Zut 76 teeth, m1 73 teeth, m2 57 teeth, m3 76 teeth, nl 60 teeth.
  • the following equation is given as an example in connection with the grinding of a carding engine cylinder', and wherein the shaft (Z3 or (Z4 is driven at 6 revolutions per minute.
  • the gear case and all the gears can be turned to position the eccentrics g, g quickly to set the grinder device into any indicated initial position, whereby the relative starting position is known, or any de- FI.
  • sired advancement or retraction can be arranged for over a period.
  • the initial setting of the grinding device e is effected by operating the hand-wheels b', b, which obviously advance the lower carriages or slides b, b.
  • the main cylinder or the doff'er when applied to the carding engine, may be driven at a siow speed through any suitable speed reducing gear, or from a counter-shaft, or otherwise. To make this more clear the Figs. 9 and 10 should be examined.
  • This gear comprises a bush p applied on the main cylinder shaft t (after removal of the ordinary fast and loose pulleys), the bush p being held fast by adjustable studs p1, p1 in a jaw device p2 embracing the bush p and fitting to a rib p3 of the carding engine frame.
  • the bush p fits a pulley p with a double gear wheel p5, p", gear wheel p engaging a fixed ring of teeth p7 on the -ush p.
  • a bush p8 is fixed on the main cylinder shaft t, and this has a ring of teeth p with which mesh the teeth of gear wheel p.
  • a loose pulley p10 is retained on the bush pg by the plate p11.
  • the main cylinder t1 is driven at a suitable slow speed, say 6 revolutions per minute and in a reverse direction to normal driving.
  • a removable sleeve q and chain Wheel g1 which, by a chain g2, drives the chain wheel d and so imparts a speed of 6 revolutions per minute to axle d* of the screw-threaded shaft d5.
  • V roove p12 On the driven pulley p* is provided a V roove p12 "which, by a provided link belt t2, drives a grooved pulley e4 fixed on the shaft e2 whereiby the shell e1 of the traversible grinder device e is driven so as to rotate at about 800 revolutions per minute.
  • the shell c1 of the grinder device e is driven at 800 revolutions per minute, and the right and left hand screw-threaded shaft d at 6 revolutions per minute to traverse the grinder device and to transmit motion through the described speed reducing gear to the eccentrics g, g, to very slowly advance and retract the revolving and reciprocating grinder device e with respect to the further insertion and withdrawal of the group of emery discs between the dents or teeth in the clothing on the main cylinder, doii'er, or ether revolving toothed body, to re-needle point said dents or teeth.
  • Figs. 12 and 13 show the mechanism or apparatus applied to a carding engine and dis osed for dealing either with the main cylin er or the doffer.
  • a removable chain wheel u on the main cylinder shaft t drives by a chain u1
  • a removable chain wheel u on the dofl'er shaft ua on which dofi'er shaft U3 is appiied the removable sleeve gx and chain wheel g which, by a chain ut, drives the chain Wheel d on the axle da of the right and left hand screwthreaded shaft
  • a link belt t drives from the grooved pulley p onto the grooved pulley e, as Figs. 12 and 13 show.
  • the apparatus so constructed as to be easily applicable to either right orleft hand carding engines, and to either end of such carding engines as described and shown, to serve for dealing with either main cylinder or doii'er, and any modifications requisite as to applied mountings or f adjuncts can be provided.
  • the device comprises a saddle r with projecting boss r1 bored at two places, a spring-pressed plunger 7'2 being fitted in one bore of the boss and capable oi being held by a pinching screw 1'.
  • the other bore is shaped to receive a round bar 114 with gauge plate 1' disposed at right-angles, the gauge plate 7'5 being machined out fil@ of an inch at a on the under face at one extremity, the under face of the other extremity Working to therounded end of the spring-pressed plunger r2.
  • the saddle 1" is applied to the shell el which supports the revolving traversing grinder device e, and the gauge plate 15 is pressed to bear on the emery discs by overcoming the action of the spring, whereupon the plunger r2 is pinched by the screw r3, and the gauge plate 1'5 removed, leaving the spring plunger r2 locked.
  • the adjustment of the revolving traversing grinder device e (by hand) is then effected between the dents or teeth until the rounded end of the plunger r2 touches the dents or teeth f1' (and this is done at each end of the tube el) whereupon the emery discs are accuratel set and have penetrated about 116 of an inch etween the dents or teeth, which is a convenient distance to hand-set the grinder device e.
  • the further slow automatic penetration and retraction is automatically effected by the mechanism or apparatus described.
  • the mechanism or apparatus ensures automatic entrance and withdrawal at a very slow uniform rate, and so the grinding eii'ect is perfect and ensures a good finish without roughness.
  • the movement in and out is perfectly paralleli
  • the eccentrics g, g can be adjusted whilst the mechanism is running, and there is simple independent power of adjustment for hand setting.
  • the gear gives unnoticeable advancement and withdrawal, and being entirely enclosed long wear is assured.
  • the mechanismvor apparatus is very compact, the vital parts are well enclosed, and with very slight changes in adrv,.juncts, is applicable to diii'erent makes of v cardingV engines, and its use enables eii'ective re-needle pointing in situ of partly worn or inefficient clothing on cylinders, doi'lers, of carding engines, or other wire clothed roll- ,I ers, etc.
  • brackets on the movable slides and a'right “and left hand screw-threaded shaft having its -axle ends supported in said brackets on the movable slides, sleeve devices in the brackets, eccentrics and sheaths, anchorage ⁇ vfor the sheaths, and a toothed gear slow mo- Jtion for actuating said eccentrics to operate the movable slides to very slowly advance and retract the traversible grinder device between the dents or teeth of the iilleting or clothing, and means to rotate the right and left hand screw-threaded shaft and an operative connection between same and the traversible grinder device.
  • An apparatus for grinding or re-needle pointing in situ the dents or teeth of iilleting 'or clothing on carding engine cylinders, doffers, and like cylindrical bodies having a traversible grinder device, axles therefor, means to drive the same, bearings for said axles, movable slides for the bearings, hand adjusted slides and means to set the same,
  • An apparatus for grinding or re-needle pointing in situ the dents or teeth of filleting or clothing on carding engine cylinders, Idoters, and like cylindrical bodies having a traversible grinder device, axles therefor, means to drive the same, bearings for said 215 Vaxles, movable slides for the bearings, hand adjusted slides and means to set the same, cross-supports to carry the apparatus and adapted to lit the frame-work of a carding engine, brackets on the movable slides, and a right and left hand screw-threaded shaft with axle ends supported in said brackets on the movable slides, sleeve devices inside the brackets, eccentrics, and sheaths, anchorages ⁇ for the sheaths, anda spur gearing slow motion located about one of said brackets and operative to actuate said eccentrics and consequently the movable slides to very slowly advance and retract the traversible grinder device between the dents or teeth ofthe filleting or clothing, said spur gearing slow motion having a gear casing
  • An apparatus for grinding or re-needlepointing in situ the dents or teeth of illeting or clothing on carding engine cylinders, doffers and like cylindrical bodies comprising traversible grinder device, a driven support therefor. bearings for the support, movable slides for said bearings, brackets upon said movable slides, bearings in the brackets, a right and left hand screw-threaded shaft, and means interconnectingV the traversible grinder device and the right and left hand screw-threaded shaft, axle ends combined with the latter, sleeve devices about the axle wo ends, eccentrics about said sleeve devices, sheaths embracing the eccentrics, anchorages for the sheaths, and a toothed wheel speed reducing gear to slowly rotate the eccentrics within the anchored sheaths to operate the movable slides to very slowly advance and retract the traversible grinder device, and operative means to drive the right and left hand screw-threaded shaft, and supporting means comprising a cross-support, slides and hand adjusting mechanism for setting the
  • An apparatus for grinding or re-needlepointing in situ the dents or teeth of tilleting or clothing on carding engine cylinders, dotfers and like cylindrical bodies comprising traversible grinder device, a drivensupport and means to drive the same, bearings for the axles of the driven support, movable slides for said bearings, brackets upon said movable slides, and bearings in said brackets, a right and left hand screw-threaded shaft, means interconnecting the traversible grinder device and the right and left hand screwthreaded shaft, axle ends combined with the latter, sleeve devices about the axle ends, eccentrics about said sleeve devices, sheaths embracing the eccentrics, anchorages for the sheaths, a toothed wheel speed reducing gear mechanism to slowly operate the two eccentricsv within the anchored sheaths to very slowly advance and retract the traversible grinder device and operative means to drive the right and left hand screw-threaded shaft, and supporting brackets to which the sheaths areanchored, and lower slides, there
  • An apparatus for grinding or re-needlepointing in situ the dents or teeth of filletlng or clothing on carding engine cylinders, doil'ers, and like cylindrical bodies comprising traversible grinder device, a support therefor, means by which same may be driven, axles for the support bearings for said axles, movable slides for said bearings, brackets upon saidmovable slides, bearing provision in the'brackets, a right and left hand screwthreaded shaft, and means interconnecting the traversible grinder device and the right and left hand screw-threaded shaft, axle ends combined with the latter, sleeve devices about the axle ends, eccentrics about said sleeve devices, and sheaths, said eccentrics co-operating with said sheaths, anchoring means for the sheaths, lower slides, brackets thereon for the anchoring means, hand operated means to adjust the lower slides, and a lateral support to lit the carding engine frame, and toothed gear mechanism disposed around the axis of one end of the right
  • Means for grinding or re-needle-pointing in situ the dents or teeth of illeting or clothing on carding engine cylinders, doiers and like cylindrical bodies comprising traversible grinder device, a support capable of being driven, axles for the support, bearings for the axles of said support, movable slides for said bearings, brackets upon said movable slides, bearings in said brackets, a right and left hand screw-threaded shaft, means interconnecting the traversible grinder device and the right and left hand screwthreaded shaft, axle ends combined with the latter, sleeve devices about the axle ends, eccentrics about said sleeve devices, sheaths embracing the eccentrics, anchorages for the sheaths, a speed reducing gear located about a bracket on one hand of the apparatus operating to very slowly turn the two eccentrics within the anchored sheaths to very slowly advance and retract the traversible grinder device, and operative means to drive the right and left hand screw-threaded shaft, and the' ings for said axles,
  • bearings brackets upon said movable slides, bearings in said brackets, a right and left hand screw-threaded shaft, means interconnecting the traversible grinder device and the right and left hand screw-threaded shaft, axle ends combined with the latter, sleeve devices about the axle ends, eccentrics about said sleeve devices, sheaths embracing the eccentrics, anchorages for theshcaths, a toothed wheel speed reducing gear located about the bracket on one hand of the apparatus and operative to very slowly turn the two eccentrics, a casing about the gear, and a movable graduated scale, and hand-operated mecha-V nism to rotate the casing about the gear, and a pointer, and operative means to drive the rotatable elements from the carding engine.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Preliminary Treatment Of Fibers (AREA)
  • Grinding Of Cylindrical And Plane Surfaces (AREA)
US588306A 1931-10-08 1932-01-23 Grinding machine Expired - Lifetime US1886089A (en)

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GB1886089X 1931-10-08

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BE (1) BE386612A (enrdf_load_html_response)
DE (1) DE589890C (enrdf_load_html_response)
FR (1) FR730773A (enrdf_load_html_response)
GB (1) GB380957A (enrdf_load_html_response)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2885837A (en) * 1956-03-19 1959-05-12 & Fils Soc En Commandite Par A Universal truing machines for cards
US3528205A (en) * 1968-11-27 1970-09-15 Harry M Roberts Disc grinder for card flats
US20050124268A1 (en) * 1998-09-09 2005-06-09 Jurg Faas Device for grinding of clothing in a textile machine

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE937467C (de) * 1953-03-13 1956-01-05 Konrad Arbter Schleifapparat zum Schleifen von Rauhwalzen in der Rauhmaschine
DE1045963B (de) * 1954-01-29 1958-12-11 Leonhardt Weber Verfahren und Vorrichtung zum Schleifen der Kratzen von Rauhwalzen mit Hilfe eines Handgeraets
DE1106653B (de) * 1957-11-11 1961-05-10 Herbert Hausmann Kratzenbeschlag fuer die Deckel von Karden
DE1142534B (de) * 1960-09-20 1963-01-17 Hermann Jaeger Schleifvorrichtung fuer Krempeln
CN112894552B (zh) * 2021-02-22 2022-02-11 义乌市宏日智能科技有限公司 一种镊子自动磨尖机

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2885837A (en) * 1956-03-19 1959-05-12 & Fils Soc En Commandite Par A Universal truing machines for cards
US3528205A (en) * 1968-11-27 1970-09-15 Harry M Roberts Disc grinder for card flats
US20050124268A1 (en) * 1998-09-09 2005-06-09 Jurg Faas Device for grinding of clothing in a textile machine
US20050191943A1 (en) * 1998-09-09 2005-09-01 Jurg Faas Device for grinding of clothing in a textile machine
US7037181B1 (en) * 1998-09-09 2006-05-02 Maschinenfabrik Rieter Ag Device for grinding of clothing in a textile machine
US7131896B2 (en) 1998-09-09 2006-11-07 Maschinenfabrik Rieter Ag Device for grinding of clothing in a textile machine
US7234997B2 (en) 1998-09-09 2007-06-26 Maschinenfabrik Rieter, A.G. Device for grinding of clothing in a textile machine

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Publication number Publication date
FR730773A (fr) 1932-08-24
GB380957A (en) 1932-09-29
BE386612A (enrdf_load_html_response) 1932-03-31
DE589890C (de) 1933-12-21

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