US2953875A - Dry honing device - Google Patents

Dry honing device Download PDF

Info

Publication number
US2953875A
US2953875A US700315A US70031557A US2953875A US 2953875 A US2953875 A US 2953875A US 700315 A US700315 A US 700315A US 70031557 A US70031557 A US 70031557A US 2953875 A US2953875 A US 2953875A
Authority
US
United States
Prior art keywords
abrasive
hopper
air
debris
orifice
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
US700315A
Other languages
English (en)
Inventor
William H Mead
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to US700315A priority Critical patent/US2953875A/en
Priority to BE573531A priority patent/BE573531A/fr
Application granted granted Critical
Publication of US2953875A publication Critical patent/US2953875A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
    • B24C7/00—Equipment for feeding abrasive material; Controlling the flowability, constitution, or other physical characteristics of abrasive blasts
    • B24C7/0046—Equipment for feeding abrasive material; Controlling the flowability, constitution, or other physical characteristics of abrasive blasts the abrasive material being fed in a gaseous carrier
    • B24C7/0053—Equipment for feeding abrasive material; Controlling the flowability, constitution, or other physical characteristics of abrasive blasts the abrasive material being fed in a gaseous carrier with control of feed parameters, e.g. feed rate of abrasive material or carrier
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J8/00—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
    • B01J8/0015—Feeding of the particles in the reactor; Evacuation of the particles out of the reactor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J8/00—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
    • B01J8/18—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles
    • B01J8/24—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles according to "fluidised-bed" technique
    • B01J8/38—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles according to "fluidised-bed" technique with fluidised bed containing a rotatable device or being subject to rotation or to a circulatory movement, i.e. leaving a vessel and subsequently re-entering it
    • B01J8/384—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles according to "fluidised-bed" technique with fluidised bed containing a rotatable device or being subject to rotation or to a circulatory movement, i.e. leaving a vessel and subsequently re-entering it being subject to a circulatory movement only
    • B01J8/388—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles according to "fluidised-bed" technique with fluidised bed containing a rotatable device or being subject to rotation or to a circulatory movement, i.e. leaving a vessel and subsequently re-entering it being subject to a circulatory movement only externally, i.e. the particles leaving the vessel and subsequently re-entering it
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G53/00—Conveying materials in bulk through troughs, pipes or tubes by floating the materials or by flow of gas, liquid or foam
    • B65G53/04—Conveying materials in bulk pneumatically through pipes or tubes; Air slides
    • B65G53/16—Gas pressure systems operating with fluidisation of the materials
    • B65G53/18—Gas pressure systems operating with fluidisation of the materials through a porous wall
    • B65G53/22—Gas pressure systems operating with fluidisation of the materials through a porous wall the systems comprising a reservoir, e.g. a bunker
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/19—Details relating to the geometry of the reactor
    • B01J2219/194—Details relating to the geometry of the reactor round
    • B01J2219/1941—Details relating to the geometry of the reactor round circular or disk-shaped
    • B01J2219/1946—Details relating to the geometry of the reactor round circular or disk-shaped conical

Definitions

  • My invention was directed at first to :solving .a problem existing in the tool and die art where :in finishing a :die
  • Another advantage -.of my invention rlies in its use in deburring tools and machine ,parts vhaving intricate passageways which in the past served as'traps .for the abrasive which was used in a-slurry (wet form ina fluidetreamt).
  • a further advantage of being abletoifluidize thezabrasive and to use it in dry form is,that.a.vacuum,pickeuprof the spent abrasive can be used to get a continuous re-use of the abrasive. This pickup was not possible with slurry honing.
  • Another advantage of being able to fluidize the abrasive prior to its re-entry into the air stream is that the debris can be settled out and not be recirculated.
  • Fig. 1 is a diagrammatic view of the parts comprising the invention, in the environment of an air blasting device, and
  • Fig. 2 is an exploded view of certain of the parts.
  • a hopper 10 is shown positioned above the feeder fluidizer parts which are in the area at the bottom of the hopper.
  • the hopper 10 contains a load of finely ground abrasive which, depending upon the work to be done, may be anywhere from 325 mesh to 5000 mesh.
  • the feeder-fluidizer includes the feed valve housing 11 with a feed T 12 extending vertically through it and terminating at an orifice 13 in the bottom of hopper 10.
  • the end 14 of the T is connected by the conduit 15 I ice with thetop of the hopper 10.
  • the other end 16 is :connected to the vacuum source "(not shown) and beyond that to'the blasting gun or nozzle (shown in dotted'l-ines). Thisproduces a flow of air in thedirection ofgthe arrow .17 which willp'ick up any abrasive particles Whichtravel downthe leg '18 of .the TI v A vacuum is maintained in the hopper 10 which means that the area 20 in the housing 11 is also under reduced pressure.
  • An air inlet “21 is provided into the housing '11, with a suitable silica-gel moisture trap 22 to-dry the entering the housing.
  • the .size of the inlet 21 " is fixed to give the air flo,w necessary to fluidize and *to separate the dry abrasive in the hopper "10.
  • porous stone partition 23 Supported in the housing 11 is a porous stone partition 23 with a close fit both against the wall of the .housing at ,its periphery, and at 24 where ;the leg 18 of the T extends through it.
  • the porosity of the stone is such ,that'ior the vacuum maintained in the hopper 10, enough air .will flow upwardly through the stone (see arrows in fig. 2) to fiuidize the fin powdered abrasive in the bot- 'gtom of 1116 hopper 10'.
  • a form of porousstone'i have found useful is jknown on the market as a rosin .guartz vfilter, a product of ,Filtros, Inc., Rochester, NewfYork.
  • My invention acc mplishes he removal ;from .th'ea asive of .these smaller parti le of debris by having th ai .pervions stone .23 com ine with the orifi e1 which i spacedabove thesuriace o'f theston 13.
  • What app ar ;to;hannen; is that the .air .on leaving the stone .23 b bbles .throughthe abrasive and debris .caus'ingthe latt r to. e e flower in the.hopper10j'intojthearea below the level or the .orjifice 13.
  • a spring 30 encircling the tube 18 will hold the porous stone 23 in a snug fit on the bottom of the hopper 10.
  • the above described device thus accomplishes an aeration of fluidizing of the abrasive-debris mixture in the hop per 10, and the difference in specific gravity of the debris and of the abrasive causes the debris to settle out of the aerated abrasive.
  • This settling-out can go on efiectively until the area in the hopper below the orifice 13 becomes filled with debris at which time the machine is stopped and the parts separated to remove the accumulated debris. This suggests that the orifice 13 should be put at a height which will give the desired length of operating cycle between cleanouts.
  • the operation of my device is as follows:
  • the hopper 10 is filled with a dry powdered abrasive suitable to the job to be done.
  • a vacuum is applied to the line 16 to draw the abrasive to the blast gun.
  • This same vacuum through pipe 15 puts the hopper under reduced pressure, with the result that air is drawn into the hopper 10 through the silica-gel dryer 22 and through it the porous stone 23.
  • This air fiuidizes the abrasive in the hopper 10 with the result that some of it enters the orifice 13 and travels down the leg 18 into the air stream to the blast nozzle.
  • the abrasive loosens debris from the surface being treated and this with the spent abrasive is sucked into the cyclone 26 where it falls onto a vibrating screen 28.
  • the large particles of debris are caught by the screen.
  • the smaller particles go with the abrasive into the hopper 10.
  • the upward moving air current through the porous member 23 fluidizes the abrasive-debris mixture, causing the debris to stratify into a layer below the orifice 13, simultaneously lifting the abrasive above it and causing the abrasive to flow easily down the leg 18 of the feed T 12.
  • This fluidizing of the abrasive makes possible a metering feed of it to the blast gun and an effective cleaning of the abrasive as the continuous blasting goes on.
  • the area of the stone 23 and its porosity will be chosen with the size of the abrasive and the size of the blast gun in mind. The same is true of the size of the feed orifice 13.
  • the height of the orifice 13 above the stone 23 will be regulated by the length of runs between shutdowns to clean out the debris.
  • the porosity of the air pervious member 23 can be selected on the basis of the upward air flow needed to produce the desired aeration of the abrasive and the settling out of the debris.
  • the tube 18 may be made adjustable in height in the bottom of the hopper 10 by any well known expedient,
  • a dry honing device for treating the surface of materials with fine abrasive particles contained in an air stream, including a source of air under reduced pressure, a feed hopper for said abrasive particles, also connected to the aforesaid air source, a blast nozzle for directing said particles at said surface, the device for feeding said abrasive particles to said nozzle being characterized by a housing secured at the bottom of said hopper, an air inlet into said housing, an air pervious partition separating said housing from said hopper, said partition formed from a porous material having a large number of irregular tortuous passages, the porosity of said partition being chosen to give the desired air fiow from the air inlet up into the hopper, while preventing downward flow of the abrasive particles through the partition when no air is flowing, an outlet from the bottom of said hopper, connected at its lower end to the blast nozzle and terminating at its upper end in an orifice spaced above the air pervious partition, whereby the abrasive in said hopper
  • An abrasive impelling device including a source of air under reduced pressure, a blast nozzle in the enclosed work area, a suction trap in the bottom of Said area, a cyclone connected to said trap, a hopper connected with and located beneath said cyclone, means connecting said source of air to said hopper and to said blast nozzle, wherein an airstream flows to said nozzle, an abrasive inlet tube in said means to introduce abrasive into said air stream, a housing area in the bottom of said hopper formed by an air pervious partition separating said hopper into an upper storage area and said housing area, an air inlet into said housing area to admit air at atmospheric pressure which will flow upwardly through said partition, said abrasive inlet tube having its inlet orifice spaced above said partition, said partition having a large number of tortuous passageways whereby in continuous operation of said device, the air flowing upwardly through said partition will both fiuidize said abrasive and will cause any debris returned from said work area to settle onto said
  • the device as described in claim 3 including a screen member between said cyclone and said hopper to arrest large particles of debris removed by the blast nozzle in the enclosed work area.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Mechanical Engineering (AREA)
  • Combustion & Propulsion (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
US700315A 1957-12-03 1957-12-03 Dry honing device Expired - Lifetime US2953875A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
US700315A US2953875A (en) 1957-12-03 1957-12-03 Dry honing device
BE573531A BE573531A (fr) 1957-12-03 1958-12-03 Emeuleuse à sec perfectionnée.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US700315A US2953875A (en) 1957-12-03 1957-12-03 Dry honing device

Publications (1)

Publication Number Publication Date
US2953875A true US2953875A (en) 1960-09-27

Family

ID=24813047

Family Applications (1)

Application Number Title Priority Date Filing Date
US700315A Expired - Lifetime US2953875A (en) 1957-12-03 1957-12-03 Dry honing device

Country Status (2)

Country Link
US (1) US2953875A (fr)
BE (1) BE573531A (fr)

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3073070A (en) * 1960-10-12 1963-01-15 William H Mead Abrasive blasting system
US3201901A (en) * 1963-09-30 1965-08-24 Alfred M Pauli Abrasive blasting equipment
DE1268514B (de) * 1962-11-17 1968-05-16 Vacu Blast Ltd Vorrichtung zum Durchwirbeln und Abmessen eines Stromes von feinverteilten Schleifmittelpartikeln
FR2367025A2 (fr) * 1976-10-07 1978-05-05 Ricciardi R Procede et dispositif de dosage et de mouillage de produits secs pulverulents
US4360990A (en) * 1980-11-24 1982-11-30 Mak-Ard Industries, Incorporated Method and apparatus for decorative etching of surfaces
FR2612088A1 (fr) * 1987-03-12 1988-09-16 Charbonnages De France Appareil distributeur de poudres tres fines
US6174225B1 (en) * 1997-11-13 2001-01-16 Waste Minimization And Containment Inc. Dry ice pellet surface removal apparatus and method
US6425804B1 (en) * 2000-03-21 2002-07-30 Hewlett-Packard Company Pressurized delivery system for abrasive particulate material
WO2004073897A3 (fr) * 2003-02-20 2005-03-10 Boeing Co Dispositif conçu pour saisir et extraire des granules en mousse
US20100210191A1 (en) * 2009-02-14 2010-08-19 Phoung Taylor Nguyen Abrasive air blast system with air cooler for blast nozzle and air dryer for storage tank
CN105819229A (zh) * 2016-06-12 2016-08-03 天津市实达电力设备有限公司 一种高效节能大出力连续输送泵
US20190274244A1 (en) * 2013-01-09 2019-09-12 Cnh Industrial America Llc Seed inductor box for an agricultural implement having multiple air paths
US11344996B2 (en) * 2018-11-04 2022-05-31 systeco GmbH Surface cleaning and engraving machine via a vacuum blasting process
US20240058781A1 (en) * 2021-01-11 2024-02-22 Glatt Gesellschaft Mit Beschränkter Haftung Method for Treating Particulate Material in a Fluidizing Device

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2667015A (en) * 1952-05-31 1954-01-26 Mariblast Corp Sand washing method and apparatus
US2770924A (en) * 1954-04-01 1956-11-20 William H Mead Instant stop and start blasting device

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2667015A (en) * 1952-05-31 1954-01-26 Mariblast Corp Sand washing method and apparatus
US2770924A (en) * 1954-04-01 1956-11-20 William H Mead Instant stop and start blasting device

Cited By (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3073070A (en) * 1960-10-12 1963-01-15 William H Mead Abrasive blasting system
DE1268514B (de) * 1962-11-17 1968-05-16 Vacu Blast Ltd Vorrichtung zum Durchwirbeln und Abmessen eines Stromes von feinverteilten Schleifmittelpartikeln
US3201901A (en) * 1963-09-30 1965-08-24 Alfred M Pauli Abrasive blasting equipment
FR2367025A2 (fr) * 1976-10-07 1978-05-05 Ricciardi R Procede et dispositif de dosage et de mouillage de produits secs pulverulents
US4360990A (en) * 1980-11-24 1982-11-30 Mak-Ard Industries, Incorporated Method and apparatus for decorative etching of surfaces
FR2612088A1 (fr) * 1987-03-12 1988-09-16 Charbonnages De France Appareil distributeur de poudres tres fines
US6174225B1 (en) * 1997-11-13 2001-01-16 Waste Minimization And Containment Inc. Dry ice pellet surface removal apparatus and method
US6623335B2 (en) 2000-03-21 2003-09-23 Hewlett-Packard Development Company, L.P. Method of forming ink fill slot of ink-jet printhead
US6435950B1 (en) 2000-03-21 2002-08-20 Hewlett-Packard Company Pressurized delivery method for abrasive particulate material
US6623338B2 (en) * 2000-03-21 2003-09-23 Hewlett-Packard Development Company, L.P. Method of abrading silicon substrate
US6425804B1 (en) * 2000-03-21 2002-07-30 Hewlett-Packard Company Pressurized delivery system for abrasive particulate material
WO2004073897A3 (fr) * 2003-02-20 2005-03-10 Boeing Co Dispositif conçu pour saisir et extraire des granules en mousse
US20100210191A1 (en) * 2009-02-14 2010-08-19 Phoung Taylor Nguyen Abrasive air blast system with air cooler for blast nozzle and air dryer for storage tank
US8092275B2 (en) * 2009-02-14 2012-01-10 Phuong Taylor Nguyen Abrasive air blast system with air cooler for blast nozzle and air dryer for storage tank
US20190274244A1 (en) * 2013-01-09 2019-09-12 Cnh Industrial America Llc Seed inductor box for an agricultural implement having multiple air paths
US10757855B2 (en) * 2013-01-09 2020-09-01 Cnh Industrial America Llc Seed inductor box for an agricultural implement having multiple air paths
CN105819229A (zh) * 2016-06-12 2016-08-03 天津市实达电力设备有限公司 一种高效节能大出力连续输送泵
US11344996B2 (en) * 2018-11-04 2022-05-31 systeco GmbH Surface cleaning and engraving machine via a vacuum blasting process
US20240058781A1 (en) * 2021-01-11 2024-02-22 Glatt Gesellschaft Mit Beschränkter Haftung Method for Treating Particulate Material in a Fluidizing Device
US12521687B2 (en) * 2021-01-11 2026-01-13 Glatt Gesellschaft Mit Beschränkter Haftung Method for treating particulate material in a fluidizing device

Also Published As

Publication number Publication date
BE573531A (fr) 1959-04-01

Similar Documents

Publication Publication Date Title
US2953875A (en) Dry honing device
US2770924A (en) Instant stop and start blasting device
US3380196A (en) Surface treating apparatus
US3073070A (en) Abrasive blasting system
CN100469535C (zh) 用于研磨料回收的方法和装置以及废料分离系统
IT1170647B (it) Dispositivo per rivestire con polveri pezzi con una cabina di verniciatura a spruzzo ricevente temporaneamente il pezzo
EP3202534B1 (fr) Dispositif de polissage et procédé de polissage
SE8801493L (sv) Foerfarande foer rengoering av fordonshjul och anordning foer genomfoerande av foerfarandet
JPH02502351A (ja) 穀物混合物を分離するための方法および装置
US5181348A (en) Abrasive cleaning apparatus
KR101305635B1 (ko) 연마재 재생장치
DE19643807C1 (de) Vorrichtung zur Abrasivmittelrückgewinnung bei Wasserstrahlschneidanlagen
GB2122481A (en) Vacuum floor polisher
JPS621433A (ja) 集塵装置
US3849091A (en) Closed loop air filtration system
JPH01289666A (ja) ブラスト装置
US6135127A (en) Process and machine for treating flat surfaces
JP3471273B2 (ja) 乾式研削機用研削粉末回収装置
WO2023223342A1 (fr) Appareil de tamisage de poudre pour système de revêtement en poudre
GB849340A (en) Improvements in and relating to vibratory grinding
JP2001212761A (ja) エアレーション式ホッパー一体型ブラストガンおよび同ブラストガンを備えた縦型ブラスト加工装置
JP2536535B2 (ja) サンドブラスト装置
JP6619037B2 (ja) ブラスト装置
CH353273A (fr) Dispositif d'alimentation d'un appareil de décapage à sec
DE1142299B (de) Abscheide- und Reinigungsvorrichtung zur Verwendung beim Trocken-Strahllaeppen mit Rueckfuehrung des Schleifkornes