US3752117A - Spraying apparatus - Google Patents

Spraying apparatus Download PDF

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Publication number
US3752117A
US3752117A US00203494A US3752117DA US3752117A US 3752117 A US3752117 A US 3752117A US 00203494 A US00203494 A US 00203494A US 3752117D A US3752117D A US 3752117DA US 3752117 A US3752117 A US 3752117A
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US
United States
Prior art keywords
spray nozzle
mounting
axis
spray
movement
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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
US00203494A
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English (en)
Inventor
P Hammelmann
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HAMMELMAN P
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HAMMELMAN P
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Publication date
Application filed by HAMMELMAN P filed Critical HAMMELMAN P
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Publication of US3752117A publication Critical patent/US3752117A/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B15/00—Details of spraying plant or spraying apparatus not otherwise provided for; Accessories
    • B05B15/50—Arrangements for cleaning; Arrangements for preventing deposits, drying-out or blockage; Arrangements for detecting improper discharge caused by the presence of foreign matter
    • B05B15/52—Arrangements for cleaning; Arrangements for preventing deposits, drying-out or blockage; Arrangements for detecting improper discharge caused by the presence of foreign matter for removal of clogging particles
    • B05B15/531—Arrangements for cleaning; Arrangements for preventing deposits, drying-out or blockage; Arrangements for detecting improper discharge caused by the presence of foreign matter for removal of clogging particles using backflow
    • B05B15/534—Arrangements for cleaning; Arrangements for preventing deposits, drying-out or blockage; Arrangements for detecting improper discharge caused by the presence of foreign matter for removal of clogging particles using backflow by reversing the nozzle relative to the supply conduit
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B15/00—Details of spraying plant or spraying apparatus not otherwise provided for; Accessories
    • B05B15/70—Arrangements for moving spray heads automatically to or from the working position
    • B05B15/72—Arrangements for moving spray heads automatically to or from the working position using hydraulic or pneumatic means
    • B05B15/74—Arrangements for moving spray heads automatically to or from the working position using hydraulic or pneumatic means driven by the discharged fluid

Definitions

  • the spray nozzle is also mounted for 90 pivotal movement, and coupling means couples the spray head with the spray nozzle, so that the same will move in unison between their respective positions so that the spray nozzle may be pivoted from spraying position to a position in which its outlet is directed away from the surface to be sprayed and permits clearing of the passage.
  • the present invention relates generally to a spraying device, and more particularly to a spraying device for paint and the like.
  • Paint spraying devices whether manually held or mounted devices, are already known. Such devices have spray nozzles provided with a passage for the fluid to be sprayed, with the passage tapering or converging towards the outlet of the nozzle. Many substances, and in particular of course paint, tend to eventually clog such passages which must then be freed again.
  • a so-called reversible spray nozzle which is provided in a substantially spherical or otherwise suitably configurated body.
  • the nozzle is reversed so that the supply conduit for the pressurized paint now discharges not into the wider end of the passage but into the outlet end thereof, so that the plug is forcibly ejected by the pressurized paint from the wider end of the passage.
  • a concomitant object is to provide such a spraying apparatus in which the cleaning of spray nozzles can be effected in the briefest possible time.
  • Still another object of the invention is to provide such a spraying apparatus in which the movement of the spray nozzles and associated components to and from operating position need not be carried out manually, and in which the interruption of the spraying operation with subsequently necessary new adjustment of the device with reference to the surface being painted, is no longer required.
  • Still another object of the invention is to provide such an apparatus in which it is impossible for plugs of paint or other matter which are ejected in the clearing of the nozzles, to contact the surface being painted.
  • one feature of the invention resides, in an apparatus of the character herein described, in a combination of a device for supplying fluid under pressure, and first mounting meansmounting the device for pivotal displacement between a first and a second position.
  • the spray nozzle is operatively associated with the device for receiving liquid therefrom and for dispensing such liquid as a spray; the spray nozzle has an outlet opening anda flow passage for the liquid which converges towards the outlet opening.
  • Second mounting means mounts the spray nozzle for pivotal movement between a spraying position and a passageclearing position.
  • Coupling means couples the spray nozzle with the device for movement of the spray nozzle from its spraying position to its clearing position in response to movement of the device from first to second position, and vice versa.
  • the displacement of the device and of the spray nozzle is through and the spray nozzle turns through 90 in a direction opposite to the 90 movement of the device itself.
  • the spray nozzle carries out a pivoting movement through and in this position the narrow outlet of the flow passage communicates directly with the supply conduit or pipe from which'the spray nozzle receives pressurized liquid from the device, whereas the wider end of the passage-which in normal operation is the inlet end-faces outwardly so that a plug of contaminant which is deposited in the passage clogging the same can be readily ejected.
  • the entire arrangement was displaced from normal operating position through a 90 arc, theejected plug cannot impinge upon the surface being painted.
  • the apparatus of the present invention can be moved from its normal operating position and back to it very rapidly, and in fact the clearing of the nozzle passage can be effected within fractions of a second, so that it is not necessary during the clearing operation to terminate the operation of the apparatus, and consequently no new adjustment of the apparatus subsequent to the clearing operation and prior to resumption of the spraying operation, is required.
  • FIG. 1 is a diagrammatic top-plan view of an apparatus according to the present invention
  • FIG. 2 is a side-elevational view as seen from the left of FIG. 1, illustrating the operating position in full lines and the clearing position in broken lines;
  • FIG. 3 is a view similar to FIG. 2 but illustrating the operating position in broken lines and the clearing position in full lines;
  • FIG. 4 is a longitudinal section through a spray nozzle of the apparatus in FIGS. l3, showing the nozzle in operating position;
  • FIG. 5 is a view similar to FIG. 4 but showing the nozzle in clearing position.
  • FIGS. 1-3 DESCRIPTION OF THE PREFERRED EMBODIMENTS Discussing the drawing in detail, and firstly FIGS. 1-3, it will be seen that I have there illustrated an apparatus which is provided with three spray heads or spray devices 1, 2, 3. Of course, such apparatus could have more than three devices, or it could only have a single one of these devices. In any case these devices are of the type well known as high-pressure spray nozzles and are mounted laterally spaced from one another on a shaft 4 which is turnably journalled in supports 5 and 6. An outrigger or arm 7 is provided at one end on the shaft 4, fast therewith and extending transversely to the elongation of the shaft 4. When the latter turns, the devices l3 can turn with it through 90, as will be evident by comparing the full-line and broken-line positions in FIGS. 2 and 3.
  • a drive 8 engages the arm 7 in order to effect such pivoting movement, and the drive may for instance be in form of an electromagnetic device, or in form of a pneumatically or hydraulically operated cylinder-andpiston unit. This does not form a part of the present invention and will therefore not be described in detail.
  • Each of the devices 1-3 is operatively associated with a spray nozzle 9, the details of which are shown in FIG. 4 showing one such nozzle 9 in a longitudinal section and in operating or spraying position, and in FIG. 5 which shows the same nozzle but in clearing position.
  • the nozzles 9 have a housing 91 into which is threaded a connector 92 by means of which they are connected in suitable manner with the respectively associated spray head 1, 2 or 3.
  • the passage 93 of the connector 92 receives pressurized paint or the like from the respectively associated spray head and supplies it to the actual nozzle.
  • the actual spray nozzle is mounted in the housing 91 and is configurated as a well known nozzle construction provided in a spherical or cylindrical member 94 which is mounted in the housing 91 for turning movement about the axis 18.
  • the nozzle passage 95 provided in the member 94 converges continuously to the outlet end, and the wide end of the passage 95 normally faces the passage 93 whereas the outlet end faces the outlet opening 96 in the housing 91; the outlet opening 96 will normally face the surface to be painted or otherwise sprayed.
  • the member 94 is provided with projections 10, for instance of quadratic or otherwise suitably configurated cross-section, by means of which the member 94 can be made to turn.
  • the projections 10 of the several nozzles 9 are coupled by means of suitable coupling rods, tubes or the like which are identified with reference numerals 11 and 12, so that in the illustrated embodiment the members 94 in all three of the nozzles 9 will turn in unison.
  • the projection 10 on the left-hand side of the left-hand nozzle 9 is provided with a rod 13 one end of which is connected to it; the other end of this rod 13 is slidably guided in a bore 14 provided in a tumable journal 16 which is turnably journalled in a support 15.
  • the turning axis 18 and the turning axis 17 extend in parallelism with one another, but are offset vertically, that is they are located at different levels of elevation.
  • the various components are all mounted on a base or frame 19, and it will be appreciated that when the drive 8 is operated, the device 1 (to use an example) pivots about the axis 17 from the full-line position of FIG. 2 to the full-line position of FIG. 3. At the same time the nozzle units 9 move from the full-line position of FIG. 2 to the full-line position of FIG. 3, with the rod 13 sliding appropriately in the bore 14 and effecting turning ofthe respective member 94 through 186 from the position of FIG. 4 (which it is assumes when the nozzle unit 9 is in full-line position of FIG. 2) to the position of FIG. 5 which it assumes when the nozzle unit 9 is in the full-line position of FIG. 3).
  • a device for supplying liquid under pressure first mounting means mounting said device for pivotal displacement between a first and a second position; a spray nozzle operatively associated with said device for receiving liquid therefrom and for dispensing such liuqid as a spray, said spray nozzle having an inlet opening, an outlet opening and a flow passage for the liquid which converges towards said outlet opening; second mounting means mounting said spray nozzle for pivotal movement between a spraying position in which said inlet opening communicates with said device and a passage-clearing position in which said outlet opening communicates with said device; and coupling means coupling said spray nozzle with said device for movement of said spray nozzle from said spraying position to said clearing position in response to movement of said device from said first to said second position, and vice versa.
  • said first mounting means comprising shaft means journalled in said supports and connected with said devices for effecting displacement of the same in unison, an arm fast with and projecting transversely of said shaft means, and moving means operatively'associated with said arm for displacing the same in a sense effecting turning of said shaft means so as to displace said devices in unison between said first and second positions thereof.
  • a device for supplying liquid under pressure first mounting means mounting said device for pivotal displacement through 90 between a first and a second position; a spray nozzle operatively associated with said device for receiving liquid therefrom and for dispensing such liquid as a spray, said spray nozzle having an outlet opening and a flow passage for the liquid which converges towards said outlet opening; second mounting means mounting said spray nozzle for pivotal movement through 180 relative to said device between a spraying position and a passage-clearing position; and coupling means coupling said spray nozzle with said device for movement of said spray nozzle from said spray- 6 ing position to said clearing position inresponse to movement of said device from said first to said second position, and vice versa.
  • a device for supplying liquid under pressure first mounting means mounting said device for pivotal displacement through about a first axis between a first and a second position; a spray nozzle operatively associated with said device for receiving liquid therefrom and for dispensing such liquid as a spray, said spray nozzle having an outlet opening and a flow passage for the liquid which converges towards said outlet opening; second mounting means mounting said spray nozzle for pivotal movement through 90 between a spraying position and a passage-clearing position about a second axis paralleling said first axis but located at a different level of elevation from the same; and coupling means coupling said spray nozzle with said device for movement of said spray nozzle from said spraying position to said clearing position in response to movement of said device from said first to saidsecond position, and vice versa.
  • said first mounting means comprising a first mount mounting said device for displacement about a first axis; said second mounting means comprising a second mount mounting said spray nozzle for displacement about a second axis parallel to said first axis; and said coupling means comprising a member turnable about a third axis parallel tobut at a different level than said first axis and having a bore transverse to said third axis, and a rod member fixedly connected with said spray nozzle and slidably guided in said bore so as to extend transversely of said axes.

Landscapes

  • Spray Control Apparatus (AREA)
  • Details Or Accessories Of Spraying Plant Or Apparatus (AREA)
  • Nozzles (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
US00203494A 1970-12-01 1971-11-30 Spraying apparatus Expired - Lifetime US3752117A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2059038A DE2059038C3 (de) 1970-12-01 1970-12-01 Vorrichtung zum Reinigen der Düsenbohrung einer in einem Farbspritzgerät angeordneten Umkehrdüse

Publications (1)

Publication Number Publication Date
US3752117A true US3752117A (en) 1973-08-14

Family

ID=5789625

Family Applications (1)

Application Number Title Priority Date Filing Date
US00203494A Expired - Lifetime US3752117A (en) 1970-12-01 1971-11-30 Spraying apparatus

Country Status (10)

Country Link
US (1) US3752117A (nl)
JP (1) JPS5533388B1 (nl)
DE (1) DE2059038C3 (nl)
DK (1) DK128987B (nl)
ES (1) ES174432Y (nl)
FR (1) FR2117078A5 (nl)
GB (1) GB1311455A (nl)
NL (1) NL166631C (nl)
SE (1) SE381580B (nl)
SU (1) SU476730A3 (nl)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4697741A (en) * 1983-10-19 1987-10-06 Daimler-Benz Aktiengesellschaft Arrangement for quickly changing nozzles on a spraying apparatus
US5103761A (en) * 1988-05-26 1992-04-14 Honda Giken Kogyo Kabushiki Kaisha Coating apparatus
WO2003040434A1 (en) * 2001-11-06 2003-05-15 Kolene Corporation Spray nozzle configuration
CN103100501A (zh) * 2011-11-14 2013-05-15 东芝机械株式会社 涂装用机器人系统和喷枪单元

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3050455A1 (de) * 1980-06-26 1982-08-12 E Chirvo Spray gun for multicomponent viscous liquids
SE8100603L (sv) * 1981-01-29 1982-07-30 Gosta Hellman Sprutanordning
JPS60233268A (ja) * 1984-05-02 1985-11-19 岡村　平 室内工事用簡易足場
DE3715969A1 (de) * 1987-05-13 1988-12-01 Polytype Ag Vorrichtung zum innenlackieren von hohlkoerpern, insbesondere metallischer tuben oder dosen
DE29622482U1 (de) * 1996-12-27 1997-02-13 Goldberg, Hans, 88709 Hagnau Vorrichtung zum Reinigen verstopfter Düsen bei der kombinierten pneumatisch-hydraulischen Zerstäubung

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4697741A (en) * 1983-10-19 1987-10-06 Daimler-Benz Aktiengesellschaft Arrangement for quickly changing nozzles on a spraying apparatus
US5103761A (en) * 1988-05-26 1992-04-14 Honda Giken Kogyo Kabushiki Kaisha Coating apparatus
WO2003040434A1 (en) * 2001-11-06 2003-05-15 Kolene Corporation Spray nozzle configuration
CN103100501A (zh) * 2011-11-14 2013-05-15 东芝机械株式会社 涂装用机器人系统和喷枪单元
CN103100501B (zh) * 2011-11-14 2016-04-27 东芝机械株式会社 涂装用机器人系统和喷枪单元

Also Published As

Publication number Publication date
JPS5533388B1 (nl) 1980-08-30
ES174432Y (es) 1972-11-16
GB1311455A (en) 1973-03-28
DE2059038B2 (de) 1978-03-09
SU476730A3 (ru) 1975-07-05
NL166631B (nl) 1981-04-15
NL7115525A (nl) 1972-06-05
ES174432U (es) 1972-04-16
NL166631C (nl) 1981-09-15
DK128987B (da) 1974-08-05
FR2117078A5 (nl) 1972-07-21
DE2059038A1 (de) 1972-07-06
DE2059038C3 (de) 1978-11-09
SE381580B (sv) 1975-12-15

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