CA1098009A - Jet assemblies for industrial washing machines - Google Patents
Jet assemblies for industrial washing machinesInfo
- Publication number
- CA1098009A CA1098009A CA297,170A CA297170A CA1098009A CA 1098009 A CA1098009 A CA 1098009A CA 297170 A CA297170 A CA 297170A CA 1098009 A CA1098009 A CA 1098009A
- Authority
- CA
- Canada
- Prior art keywords
- header pipe
- clamp
- washing
- passage
- industrial component
- 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
Links
Classifications
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L15/00—Washing or rinsing machines for crockery or tableware
- A47L15/42—Details
- A47L15/4278—Nozzles
-
- 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
- B05B15/60—Arrangements for mounting, supporting or holding spraying apparatus
- B05B15/65—Mounting arrangements for fluid connection of the spraying apparatus or its outlets to flow conduits
- B05B15/652—Mounting arrangements for fluid connection of the spraying apparatus or its outlets to flow conduits whereby the jet can be oriented
- B05B15/654—Mounting arrangements for fluid connection of the spraying apparatus or its outlets to flow conduits whereby the jet can be oriented using universal joints
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L15/00—Washing or rinsing machines for crockery or tableware
- A47L15/14—Washing or rinsing machines for crockery or tableware with stationary crockery baskets and spraying devices within the cleaning chamber
- A47L15/16—Washing or rinsing machines for crockery or tableware with stationary crockery baskets and spraying devices within the cleaning chamber with rigidly-mounted spraying devices
Landscapes
- Cleaning By Liquid Or Steam (AREA)
- Nozzles (AREA)
Abstract
ABSTRACT OF THE DISCLOSURE
The jet of an industrial washing machine jet assembly comprises a passage through a ball which is clamped to one end of a feeder pipe by a nut. The other end of the feeder pipe is clamped releasably to a header pipe by a stirrup clamp. Once the jet assembly has been located initially relative to the header pipe and clamped to the header pipe by the stirrup clamp, the plate of the stirrup clamp, the plate of the stirrup clamp is welded to the header pipe so that the jet assembly can be demounted for cleaning and remounted in the same location. Once the jet assembly is mounted on the header pipe, the jet is orientated by swivelling the ball whilst the nut is slackened off. The nut is tightened up to clamp the ball in the selected orientation.
The jet of an industrial washing machine jet assembly comprises a passage through a ball which is clamped to one end of a feeder pipe by a nut. The other end of the feeder pipe is clamped releasably to a header pipe by a stirrup clamp. Once the jet assembly has been located initially relative to the header pipe and clamped to the header pipe by the stirrup clamp, the plate of the stirrup clamp, the plate of the stirrup clamp is welded to the header pipe so that the jet assembly can be demounted for cleaning and remounted in the same location. Once the jet assembly is mounted on the header pipe, the jet is orientated by swivelling the ball whilst the nut is slackened off. The nut is tightened up to clamp the ball in the selected orientation.
Description
This invention relates to jet assemblies for mounting and locating at a washing station of an industrial washing machine so that, when in use they direct a pressure jet of washing fluid a~ a corresponding specific part of a component which is supported and located at that station.
One object of this in~ention is to facilitate mounting and loca~ing such a jet assembly so that, when in use it directs a pressure jet of washing fluid at the corresponding specific part of a component which is supported and located at the respective station~
According to one aspect of this invention there is provided an industrial component washing machine for washing an industrial component supported and located at a washing station, the machine comprising a washing fluid header pipe having an . aperture formed in its wall; a jet assembly mounted upon the header pipe and located at said washing station, said jet assembly comprising a jet nozzle and washing fluid feeder means having a passage formed therein, sa-id passage being in fluid communication with the bore of the header pipe thr~ugh said ; 20 aperture and being adapted to convey washing fluid to the jet nozzle; the ma~ine ~eing so arranged that, when operated to wash an industrial component which is supported and located at ~a-d ~ashing station, washing fluid is fed under pressure via ~: the header pipe and the feeder pipe to the jet nozzle which directs that fluid a~ a corresponding specific part of the industxial component, wherein said jet assembly is mounted upon the header pipe and located at said washing station ~y a reléasa~le clamping assembly which comprises a two part clamp arrangement with first and second clamp parts disposed on opposite respectively corresponding sides of said header, said firs~ clamp part being secured to the washing fluid feeder `-J`~ ~' =~ ~
~ ' ' ~ ' ,.
means at the end of the passage remote from the jet nozzle and having a hole in it in fluid communication with the passage, said second clamp part being located on the opposi~e side of the header pipe and being permanently fixed to the header pipe, and releasable fast~ning means by which the first clamp part, which would otherwise be free for sliding movement along the header pipe, is fastened releasably to the second clamp part so that the two clamp parts are located positively one with respect to the other on opposite sides of the header pipe whereby said jet nozzle assembly can be demounted for cleaning and remounted in substantially the same location by releasing and refastening said releasable fastening means to allow separation of said ~irst clamp part from said second clamp part and said header pipe and sl~sequent refastening of said clamp parts .in substantially the same location on opposite sides of ~.
said header pipe.
Formation of the jet nozzle in a body which has a circular surface so that that body can be clamped in a selected one of a range of positions relative to the structure of the washing fluid feeder means in which it is seated within the aperture with its circular surface engaged with the periphery of the aperture, enables ready adjustment of the alignment of the je~t nozzle wlth the corresponding specific part of a component which is supported and located at the respective station either during lnitial installation of the jet nozzle assembly during initial fabrication of the washing machine, or during remounting and location of the jet assembly after that jet assen~ly has been demounted to enable the jet nozzle to be cleaned, or enables realignment of the jet nozzle to be effected in the event of a modification of the specific part being made to the component that is to be supported and located at the respective station of the washing machine.
E~ : , Another object of this invention is to facilitate demounting of a jet assembly from a washing station of an industrial washing machine for cleaning and remounting of that jet assembly at the washing station after it has been cleaned.
According to another aspect of this invention there is provided a method of mounting a washing fluid jet assembly demountably on a washing fluid header pipe of an industrial component washing machine so that a washing fluid feeder passage formed by washing fluid feeder means in that jet asse~ly is aligned with a washing fluid outlet port in the header pipe, wherein structure of the washing fluid feeder means at the end of the passage remote from a nozzle ~o which washing fluid is directed along that passage in use is secured to a ~irst part of a two part clamp arrangement, said first clamp part having a hole formed through it in alignment with the feeder passage and being separable from the second clamp part to which it is adapted to be fastened by releasable fastening means by which the two parts are located positively ~: one with respect to the other when fastened together, the two clamp parts then being placed on opposite sides of the header : ~ pipe and being fastened together by the fastening means with the header pipe extending between them, ~he two clamp parts being configured so that the jet assembly and the header pipe ~ are free for relative movement when they, the clamp parts, are : fastened together on opposite sides of the header pipe, and the hole in the said first clamp part being aliyned with the port in the wall of the header pipe whereupon the clamp parts :
are clamped to the header pipe by clamping action exerted by the fastening means whereafter the second clamp part is permanently fixed to the header pipe whilst still secured to the first clamp part and said hole and said port are in alignment so that said jet assembly can be demounted for cleaning and remounted in su~stantially the same location bv releasing and refastening said fastening means to allow separation of said first clamp part from said second clamp part and said header pipe and subsequent refastening of said clamp parts in substantially the same location on opposite sides of said header pipe.
' ' : ' 3a - aa -~938~
The Specifieation file in connection with our co-pend-ing Canadian Patent Application Serial No. 288,850 filed 17th October, 1977 describes and elaims a form of industrial wash-ing maehine of the kind to whieh this invention is applieable.
'~
` ' ' : :
, ' - ~ . ' ~. `
Jets are provided at each of -the pre-wash and washing stations of the washing section of such industrial washing machines. The orientation of each jet is such that it is aligned with a corresponding blind hole, bore, cavity or other surface part of an engine block which is supported and located at the respective washing station so that washing fluid fed to and through each jet nozzle under pressure is directed at that aligned part of that engine block as a jet.
The machine has a sump into which washing fluid that drains from each engine block that is passed through the wash-ing section to the drying section is directed. A first pump is operable to draw washing fluid from the sump through prim-ary filtering means which preferably comprise a horizontal drum ; filter which operates to separate particles of solid matter from the washing fluid, and to ~eed the filtered washing fluid to a stora~e tank. A second pump is operable to draw washing fluid from the storage tank and to feed it under pressure -to the jets at each of the pre-wash and washing stations of the washing section ~ia header pipes.
~0 The present invention is concerned with the construc-tion of a washin~ fluid jet assembly and an arrangement for clamping such an assembly releasably to a washing fluid header pipe of the industrial washing machine, and will be described moxe ~ully with reference to the accompanying drawings of which:
Figure 1 ls a part~ly sectioned view of one form of washing fluid jet assembly in which this invention is embodied and a releasable clamp arrangement by which that jet assembly is clamped to a washing fluid header pipe which is shown in section;
Figure 2 is an eleyation of the releasable clam~
arrangement shown in Fi~ure 1 as seen along arrow A in Figure 1;
~9~
Figure 3 is a section on the line III-III in Figure l;
Figure 4 is a sectioned fragmentary view similar to part o~ Figure 1 but showing details of another form of jet nozzle.
Referring to Figures 1, 2 and 3, a jet assembly 10 is clamped to a washing fluia header pipe 11 by a two part stirrup clamp arrangement 120 The first part of the stirrup clamp arrangement 12 is a casting. The casting has an arcuate portion 13, which has a hole 19 formed through it at its centre, and a tubular cuff 21 which projects from the convex surface of the arcuate portion 13 coaxially with the hole 19. The arcuate portion 13 carries a screw threaded stud 15 at either end. Th~ bore of the cuff is tapped.
The arcuate portion 13 of the first clamp part re-ceives the header pipe 11 within the bight formed by its concave sur~ace~ A gasket 20, which is formed from a suitable elasto-mer1c sheet material, such as neoprene rubber, and which has a hole in it of substantially the sDe diameter as the hole 19, is located between the header pipe 11 and the concave surface of the arcuate portion 13 with its hole aligned with the hole ~: 19.
The second part of the stirrup clamp arrangement 12 is a clamp plate 14 which is tangential to the outer surface of the header pipe 11 to which it is welded at its centre.
Each stud 15 projects through a respective one of a pair o~
holes 16 which are formed in the clamp plate 1~. Figure 2 shows that the holes 16 and the studs 15 are staggered. Each of a pair of nuts 17 is screwed onto a respective one of .
the screw threaded studs 15 to fasten the first clamp part re-leasably to the clamp plate 14 and to clamp the gasket 20 be-tween the arcuate portion 13 and the header pipe 11.
An outlet port 18 is formed in the wall of the header pipe 11 opposite the welded joint between the header pipe 11 and the clamp plate 14. The diameter of the outlet port 18 is substantially the same as that of the hole 19 and the hole in the gasket 20 with which it is aligned.
The jet assembly 10 comprises a washing fluid feeder pipe 22 which is a length of straight pipe of substantially uni-form diameter and which has screw threads formed on its outer surface at either end. One end of the pipe 22 is screwed into the cuff 21. A spherical body 23 is seated in the aperture 24 that i5 formed by the end of the bore of the feeder pipe 22 re-; mote from the cuff 21. A diametral passage through the spheri-cal body 23 forms a spreader jet no~zzle. The end portion 25 of the diametral passage that forms the end of the diametral pas-sage within the bore of the ~eeder pipe 22 is funnel shaped, tapering towards the centre of the spherical body 23~ The central portion 26 o~ the diametral passage has a substantially uni~orm cross-section and extends axially for a distance greater than the radius o~ the spherical body 23. A transverse notch 27 is formed in the outer surface of the spherical body 23 at the outer end of the diametral passage. The notch 27 was formed with a V-shaped tool so that it has side walls which converge towards the centre of the body 23. The diametral passage has another tapered portion by which the notch 27 and the central portion 26 are interconnected. That other tapered portion tap-ers towards the notch 27 so that a throat of restricted dimen-sions i5 formed at its junction with the notch 27 at the base of the notch 27. A nut 28 is screwed onto the end of the feeder tube 22 that is remote from the tubular cuff 21. An annular ridge 29 is formed in the radially inner surface of the nut 28 and engages the outer surface of the spherical body 23. The equater of the spherical body 23 extends between the periphery of the aperture 24 and the annular ridge 29 so that the spheri-cal body 23 is trapped between the nut 28 and the feeder tube 22 and can be clamped therebetween against movement relative to the nut 28 and the feeder tube 22.
During initial assembl~ of the industrial washing machine, the first clamp part of the stirrup clamp arrangement 12, the jet assembly 10 to which the first clamp part is bonded coaxially and the gasket 20 are presented to the header pipe 11 so that the bore of the feeder tube 22, the hole 19 through the arcuate portion 13 of the first clamp part and the hole in the gasket 20 are aligned with the outlet port 18 that is formed in the header pipe 11. The clamp plate 14 is then fitted over the screw threaded studs 15 on the opposite side of the header pipe 11 and the nuts 17 are tightened up to fasten the clamp plate 14 to the arcuate clamp part 13 and clamp the header pipe 11 between the two parts of the stirrup clamp arrangement 12 with the gasket 20 clamped between the header pipe 11 and the arcuate portion 13. Whilst held in that position by the clamping action of the buts 17 engaged on the screw threaded studs 15, the clamp plate 14 is welded to the adjacent part of the header pipe 11 which it contacts.
In order to align the axis o~ the jet nozzle with the : bore or other corresponding part of the component towards which it is intended to direct a jet of pressure fluid when the industrial washing machine is in operation, the nut 28 ~ 9~
is slackened of~ from the feeder pipe 22 to allow angular move-ment of the spherical body 23 relative to the feeder pipe 22 and the nut 28. A bar is inserted through the throat and into the uniform diameter portion 26 of the diametral passa~e in the spherical body 23 and employed as an aid to align that passage with the bore or corresponding part of the component towards which the pressure jet of washing fluid is to be directed.
Once the jet nozzle formed by the diametral passage through the spherical body 23 has been satisfactorily aligned by this pro-cedure, the nut 28 is tightened up to fix the spherical body 23 in that position.
It will be appreciated that the jet assembly 10 can be released from the header pipe 11 readily by release of the nuts 17 and separation of the first clamp part from the clamp plate 14 that is welded to the header pipe 11, so that the bore of the feeder pipe 22 and the diametral passage through the spheri-cal body 23 can be cleared of any swarf or other foreign matter that may have blocked it. The jet assembly 10 is readily re-located in substantially the same location relative to the header pipe 11 by reassembling the two part stirrup clamp arrange-ment 12 and fastening the nuts 17 upon the respect~ve screw threaded ends I5.
The notch 27 of the jet nozzle results in the pressure - jet of washing ~luid that is directed by the jet assembly 10 towards the corresponding part of a component that is supported and located at the washing station bein~ a divergent jet of washing ~luid so that the jet nozzle is known as a spreader jet nozzle. Another form o~ pressure jet nozzle which has been pro-posed comprises the formation in a similar spherical body 23 of a transverse parallel sided slot instead of the notch 27 and the other tapered passage portion that co-operates with that ~g~ 9 notch to form the throat. The width of the parallel sided slot is less than the diameter of the passage portion 26 that it intersects and its longitudinal axis intersects the axis of the diametral through passage.
Figure 4 shows another form of spherical body 23A
which differs from the spherical body 23 by omission of the notch 27 and the other tapered portion of the diametral passage, the substantially uniform cross-section portion 26A of the di-ametral passage extending to the outer end of that diametral passage remote from the funnel shaped portion 2~A so that the pressure jet emitted by the jet nozzle of the spherical body 23B will be a plain jet.
The spherical body 23 or 23A may be formed from a plastics material.
Various other modifications of the embodiment of the invention that has been described above with reference to Figures 1 to 4 of the accompanying clrawings may be made if de-sired.
~ For example the arcuate part of the stirrup clamp arrangement and the tubular cuf may be separate pieces welded together~ A top hat section seal may be used instead of the gasket 20, the tubular part being inserted into the hole 19 to locate the seal, and the brim being shaped to fit the ar-cuate space between the arcuate clamp portion and the header pipe 11 within which it is clamped~
One object of this in~ention is to facilitate mounting and loca~ing such a jet assembly so that, when in use it directs a pressure jet of washing fluid at the corresponding specific part of a component which is supported and located at the respective station~
According to one aspect of this invention there is provided an industrial component washing machine for washing an industrial component supported and located at a washing station, the machine comprising a washing fluid header pipe having an . aperture formed in its wall; a jet assembly mounted upon the header pipe and located at said washing station, said jet assembly comprising a jet nozzle and washing fluid feeder means having a passage formed therein, sa-id passage being in fluid communication with the bore of the header pipe thr~ugh said ; 20 aperture and being adapted to convey washing fluid to the jet nozzle; the ma~ine ~eing so arranged that, when operated to wash an industrial component which is supported and located at ~a-d ~ashing station, washing fluid is fed under pressure via ~: the header pipe and the feeder pipe to the jet nozzle which directs that fluid a~ a corresponding specific part of the industxial component, wherein said jet assembly is mounted upon the header pipe and located at said washing station ~y a reléasa~le clamping assembly which comprises a two part clamp arrangement with first and second clamp parts disposed on opposite respectively corresponding sides of said header, said firs~ clamp part being secured to the washing fluid feeder `-J`~ ~' =~ ~
~ ' ' ~ ' ,.
means at the end of the passage remote from the jet nozzle and having a hole in it in fluid communication with the passage, said second clamp part being located on the opposi~e side of the header pipe and being permanently fixed to the header pipe, and releasable fast~ning means by which the first clamp part, which would otherwise be free for sliding movement along the header pipe, is fastened releasably to the second clamp part so that the two clamp parts are located positively one with respect to the other on opposite sides of the header pipe whereby said jet nozzle assembly can be demounted for cleaning and remounted in substantially the same location by releasing and refastening said releasable fastening means to allow separation of said ~irst clamp part from said second clamp part and said header pipe and sl~sequent refastening of said clamp parts .in substantially the same location on opposite sides of ~.
said header pipe.
Formation of the jet nozzle in a body which has a circular surface so that that body can be clamped in a selected one of a range of positions relative to the structure of the washing fluid feeder means in which it is seated within the aperture with its circular surface engaged with the periphery of the aperture, enables ready adjustment of the alignment of the je~t nozzle wlth the corresponding specific part of a component which is supported and located at the respective station either during lnitial installation of the jet nozzle assembly during initial fabrication of the washing machine, or during remounting and location of the jet assembly after that jet assen~ly has been demounted to enable the jet nozzle to be cleaned, or enables realignment of the jet nozzle to be effected in the event of a modification of the specific part being made to the component that is to be supported and located at the respective station of the washing machine.
E~ : , Another object of this invention is to facilitate demounting of a jet assembly from a washing station of an industrial washing machine for cleaning and remounting of that jet assembly at the washing station after it has been cleaned.
According to another aspect of this invention there is provided a method of mounting a washing fluid jet assembly demountably on a washing fluid header pipe of an industrial component washing machine so that a washing fluid feeder passage formed by washing fluid feeder means in that jet asse~ly is aligned with a washing fluid outlet port in the header pipe, wherein structure of the washing fluid feeder means at the end of the passage remote from a nozzle ~o which washing fluid is directed along that passage in use is secured to a ~irst part of a two part clamp arrangement, said first clamp part having a hole formed through it in alignment with the feeder passage and being separable from the second clamp part to which it is adapted to be fastened by releasable fastening means by which the two parts are located positively ~: one with respect to the other when fastened together, the two clamp parts then being placed on opposite sides of the header : ~ pipe and being fastened together by the fastening means with the header pipe extending between them, ~he two clamp parts being configured so that the jet assembly and the header pipe ~ are free for relative movement when they, the clamp parts, are : fastened together on opposite sides of the header pipe, and the hole in the said first clamp part being aliyned with the port in the wall of the header pipe whereupon the clamp parts :
are clamped to the header pipe by clamping action exerted by the fastening means whereafter the second clamp part is permanently fixed to the header pipe whilst still secured to the first clamp part and said hole and said port are in alignment so that said jet assembly can be demounted for cleaning and remounted in su~stantially the same location bv releasing and refastening said fastening means to allow separation of said first clamp part from said second clamp part and said header pipe and subsequent refastening of said clamp parts in substantially the same location on opposite sides of said header pipe.
' ' : ' 3a - aa -~938~
The Specifieation file in connection with our co-pend-ing Canadian Patent Application Serial No. 288,850 filed 17th October, 1977 describes and elaims a form of industrial wash-ing maehine of the kind to whieh this invention is applieable.
'~
` ' ' : :
, ' - ~ . ' ~. `
Jets are provided at each of -the pre-wash and washing stations of the washing section of such industrial washing machines. The orientation of each jet is such that it is aligned with a corresponding blind hole, bore, cavity or other surface part of an engine block which is supported and located at the respective washing station so that washing fluid fed to and through each jet nozzle under pressure is directed at that aligned part of that engine block as a jet.
The machine has a sump into which washing fluid that drains from each engine block that is passed through the wash-ing section to the drying section is directed. A first pump is operable to draw washing fluid from the sump through prim-ary filtering means which preferably comprise a horizontal drum ; filter which operates to separate particles of solid matter from the washing fluid, and to ~eed the filtered washing fluid to a stora~e tank. A second pump is operable to draw washing fluid from the storage tank and to feed it under pressure -to the jets at each of the pre-wash and washing stations of the washing section ~ia header pipes.
~0 The present invention is concerned with the construc-tion of a washin~ fluid jet assembly and an arrangement for clamping such an assembly releasably to a washing fluid header pipe of the industrial washing machine, and will be described moxe ~ully with reference to the accompanying drawings of which:
Figure 1 ls a part~ly sectioned view of one form of washing fluid jet assembly in which this invention is embodied and a releasable clamp arrangement by which that jet assembly is clamped to a washing fluid header pipe which is shown in section;
Figure 2 is an eleyation of the releasable clam~
arrangement shown in Fi~ure 1 as seen along arrow A in Figure 1;
~9~
Figure 3 is a section on the line III-III in Figure l;
Figure 4 is a sectioned fragmentary view similar to part o~ Figure 1 but showing details of another form of jet nozzle.
Referring to Figures 1, 2 and 3, a jet assembly 10 is clamped to a washing fluia header pipe 11 by a two part stirrup clamp arrangement 120 The first part of the stirrup clamp arrangement 12 is a casting. The casting has an arcuate portion 13, which has a hole 19 formed through it at its centre, and a tubular cuff 21 which projects from the convex surface of the arcuate portion 13 coaxially with the hole 19. The arcuate portion 13 carries a screw threaded stud 15 at either end. Th~ bore of the cuff is tapped.
The arcuate portion 13 of the first clamp part re-ceives the header pipe 11 within the bight formed by its concave sur~ace~ A gasket 20, which is formed from a suitable elasto-mer1c sheet material, such as neoprene rubber, and which has a hole in it of substantially the sDe diameter as the hole 19, is located between the header pipe 11 and the concave surface of the arcuate portion 13 with its hole aligned with the hole ~: 19.
The second part of the stirrup clamp arrangement 12 is a clamp plate 14 which is tangential to the outer surface of the header pipe 11 to which it is welded at its centre.
Each stud 15 projects through a respective one of a pair o~
holes 16 which are formed in the clamp plate 1~. Figure 2 shows that the holes 16 and the studs 15 are staggered. Each of a pair of nuts 17 is screwed onto a respective one of .
the screw threaded studs 15 to fasten the first clamp part re-leasably to the clamp plate 14 and to clamp the gasket 20 be-tween the arcuate portion 13 and the header pipe 11.
An outlet port 18 is formed in the wall of the header pipe 11 opposite the welded joint between the header pipe 11 and the clamp plate 14. The diameter of the outlet port 18 is substantially the same as that of the hole 19 and the hole in the gasket 20 with which it is aligned.
The jet assembly 10 comprises a washing fluid feeder pipe 22 which is a length of straight pipe of substantially uni-form diameter and which has screw threads formed on its outer surface at either end. One end of the pipe 22 is screwed into the cuff 21. A spherical body 23 is seated in the aperture 24 that i5 formed by the end of the bore of the feeder pipe 22 re-; mote from the cuff 21. A diametral passage through the spheri-cal body 23 forms a spreader jet no~zzle. The end portion 25 of the diametral passage that forms the end of the diametral pas-sage within the bore of the ~eeder pipe 22 is funnel shaped, tapering towards the centre of the spherical body 23~ The central portion 26 o~ the diametral passage has a substantially uni~orm cross-section and extends axially for a distance greater than the radius o~ the spherical body 23. A transverse notch 27 is formed in the outer surface of the spherical body 23 at the outer end of the diametral passage. The notch 27 was formed with a V-shaped tool so that it has side walls which converge towards the centre of the body 23. The diametral passage has another tapered portion by which the notch 27 and the central portion 26 are interconnected. That other tapered portion tap-ers towards the notch 27 so that a throat of restricted dimen-sions i5 formed at its junction with the notch 27 at the base of the notch 27. A nut 28 is screwed onto the end of the feeder tube 22 that is remote from the tubular cuff 21. An annular ridge 29 is formed in the radially inner surface of the nut 28 and engages the outer surface of the spherical body 23. The equater of the spherical body 23 extends between the periphery of the aperture 24 and the annular ridge 29 so that the spheri-cal body 23 is trapped between the nut 28 and the feeder tube 22 and can be clamped therebetween against movement relative to the nut 28 and the feeder tube 22.
During initial assembl~ of the industrial washing machine, the first clamp part of the stirrup clamp arrangement 12, the jet assembly 10 to which the first clamp part is bonded coaxially and the gasket 20 are presented to the header pipe 11 so that the bore of the feeder tube 22, the hole 19 through the arcuate portion 13 of the first clamp part and the hole in the gasket 20 are aligned with the outlet port 18 that is formed in the header pipe 11. The clamp plate 14 is then fitted over the screw threaded studs 15 on the opposite side of the header pipe 11 and the nuts 17 are tightened up to fasten the clamp plate 14 to the arcuate clamp part 13 and clamp the header pipe 11 between the two parts of the stirrup clamp arrangement 12 with the gasket 20 clamped between the header pipe 11 and the arcuate portion 13. Whilst held in that position by the clamping action of the buts 17 engaged on the screw threaded studs 15, the clamp plate 14 is welded to the adjacent part of the header pipe 11 which it contacts.
In order to align the axis o~ the jet nozzle with the : bore or other corresponding part of the component towards which it is intended to direct a jet of pressure fluid when the industrial washing machine is in operation, the nut 28 ~ 9~
is slackened of~ from the feeder pipe 22 to allow angular move-ment of the spherical body 23 relative to the feeder pipe 22 and the nut 28. A bar is inserted through the throat and into the uniform diameter portion 26 of the diametral passa~e in the spherical body 23 and employed as an aid to align that passage with the bore or corresponding part of the component towards which the pressure jet of washing fluid is to be directed.
Once the jet nozzle formed by the diametral passage through the spherical body 23 has been satisfactorily aligned by this pro-cedure, the nut 28 is tightened up to fix the spherical body 23 in that position.
It will be appreciated that the jet assembly 10 can be released from the header pipe 11 readily by release of the nuts 17 and separation of the first clamp part from the clamp plate 14 that is welded to the header pipe 11, so that the bore of the feeder pipe 22 and the diametral passage through the spheri-cal body 23 can be cleared of any swarf or other foreign matter that may have blocked it. The jet assembly 10 is readily re-located in substantially the same location relative to the header pipe 11 by reassembling the two part stirrup clamp arrange-ment 12 and fastening the nuts 17 upon the respect~ve screw threaded ends I5.
The notch 27 of the jet nozzle results in the pressure - jet of washing ~luid that is directed by the jet assembly 10 towards the corresponding part of a component that is supported and located at the washing station bein~ a divergent jet of washing ~luid so that the jet nozzle is known as a spreader jet nozzle. Another form o~ pressure jet nozzle which has been pro-posed comprises the formation in a similar spherical body 23 of a transverse parallel sided slot instead of the notch 27 and the other tapered passage portion that co-operates with that ~g~ 9 notch to form the throat. The width of the parallel sided slot is less than the diameter of the passage portion 26 that it intersects and its longitudinal axis intersects the axis of the diametral through passage.
Figure 4 shows another form of spherical body 23A
which differs from the spherical body 23 by omission of the notch 27 and the other tapered portion of the diametral passage, the substantially uniform cross-section portion 26A of the di-ametral passage extending to the outer end of that diametral passage remote from the funnel shaped portion 2~A so that the pressure jet emitted by the jet nozzle of the spherical body 23B will be a plain jet.
The spherical body 23 or 23A may be formed from a plastics material.
Various other modifications of the embodiment of the invention that has been described above with reference to Figures 1 to 4 of the accompanying clrawings may be made if de-sired.
~ For example the arcuate part of the stirrup clamp arrangement and the tubular cuf may be separate pieces welded together~ A top hat section seal may be used instead of the gasket 20, the tubular part being inserted into the hole 19 to locate the seal, and the brim being shaped to fit the ar-cuate space between the arcuate clamp portion and the header pipe 11 within which it is clamped~
Claims (16)
PROPERTY OR PRIVILEGE IS CLAIMED ARE DEFINED AS FOLLOWS:
1. A method of mounting a washing fluid jet assembly demountably on a washing fluid header pipe of an industrial component washing machine so that a washing fluid feeder passage formed by washing fluid feeder means in that jet assembly is aligned with a washing fluid outlet port in the header pipe, wherein structure of the washing fluid feeder means at the end of the passage remote from a nozzle to which washing fluid is directed along that passage in use is secured to a first part of a two part clamp arrangement, said first clamp part having a hole formed through it in alignment with the feeder passage and being separable from the second clamp part to which it is adapted to be fastened by releasable fastening means by which the two parts are located positively one with respect to the other when fastened together, the two clamp parts then being placed on opposite sides of the header pipe and being fastened together by the fastening means with the header pipe extending between them, the two clamp parts being configured so that the jet assembly and the header pipe are free for relative movement when they, the clamp parts, are fastened together on opposite sides of the header pipe, and the hole in the said first clamp part being aligned with the port in the wall of the header pipe whereupon the clamp parts are clamped to the header pipe by clamping action exerted by the fastening means whereafter the second clamp part is permanently fixed to the header pipe whilst still secured to the first clamp part and said hole and said port are in alignment so that said jet assembly can be demounted for cleaning and remounted in substantially the same location by releasing and refastening said fastening means to allow separation of said first clamp part from said second clamp part and said header pipe and subsequent refastening of said clamp parts in substantially the same location on opposite sides of said header pipe.
2. An industrial component washing machine for washing an industrial component supported and located at a washing station, the machine comprising a washing fluid header pipe having an aperture formed in its wall; a jet assembly mounted upon the header pipe and located at said washing station, said jet assembly comprising a jet nozzle and washing fluid feeder means having a passage formed therein, said passage being in fluid communication with the bore of the header pipe through said aperture and being adapted to convey washing fluid to the jet nozzle; the machine being so arranged that, when operated to wash an industrial component which is supported and located at said washing station, washing fluid is fed under pressure via the header pipe and the feeder pipe to the jet nozzle which directs that fluid at a corresponding specific part of the industrial component; wherein said jet assembly is mounted upon the header pipe and located at said washing station by a releasable clamping assembly which comprises a two part clamp arrangement with first and second clamp parts disposed on opposite respectively corresponding sides of said header, said first clamp part being permanently fixed to the washing fluid feeder means at the end of the passage remote from the jet nozzle and having a hole in it in fluid communication with the passage, said second clamp part being located on the opposite side of the header pipe and being secured to the header pipe, and releasable fastening means by which the first clamp part, which would otherwise be free for sliding movement along the header pipe, is fastened releasably to the second clamp part so that the two clamp parts are located positively one with respect to the other on opposite sides of the header pipe whereby said jet nozzle assembly can be demounted for cleaning and remounted in substantially the same location by releasing and refastening said releasable fastening means to allow separation of said first clamp part from said second clamp part and said header pipe and subsequent refastening of said clamp parts in substantially the same location on opposite sides of said header pipe.
3. An industrial component washing machine according to claim 2, wherein the jet nozzle is formed as a passage through a body having a circular peripheral surface, the body being seated in an aperture which is formed in structure of the washing fluid feeder means with the circular peripheral surface of the body engaged with the periphery of the aperture, and clamping means are provided for clamping the body in a selected orientation relative to the structure of the washing fluid feeder means.
4. An industrial component washing machine according to claim 3, wherein the body is spherical.
5. An industrial component washing machine according to claim 4, wherein the outlet end of the passage through the body is formed by a notch which has outwardly divergent side walls.
6. An industrial component washing machine according to claim 5, wherein the passage through the body also includes a tapered portion which tapers towards the notch and which has its smaller diameter end coincident with the inner smaller cross-sectional area end of the notch.
7. An industrial component washing machine according to claim 6, wherein the passage through the body is a diametral passage.
8. An industrial component washing machine according to claim 7 wherein the washing fluid feeder means comprise a pipe.
9. An industrial component washing machine according to claim 8, wherein the aperture is formed by one end of the pipe.
10. An industrial component washing machine according to claim 9, wherein the clamping means comprise a nut which is screwed onto the end of the pipe that forms the aperture.
11. An industrial component washing machine according to claim 10, wherein sealing means are clamped between the jet assembly and the header pipe to seal against leakage of washing fluid between the jet assembly and the header pipe.
12. An industrial component washing machine according to claim 11, wherein the sealing means comprise a gasket which is formed of elastomeric sheet material and which surrounds the aperture in the wall of the header pipe and the adjacent end of the bore of the feeder pipe.
13. An industrial component washing machine according to claim 12, wherein the second clamp part is bonded to the header pipe.
14. An industrial component washing machine according to claim 13, wherein the second clamp part is welded to the header pipe.
15. An industrial component washing machine according to claim 14, wherein the releasable fastening means comprise externally threaded means on one of the clamp parts and corresponding aperture means in the other clamp part, the two clamp parts being fastened together by interengagement of the externally threaded means and the aperture means and engagement of an end portion of each such externally threaded means that projects from the aperture means on the opposite side of the other clamp part from said one clamp part by cooperating internally tapped means.
16. An industrial component washing machine according to claim 14, wherein the two part clamp arrangement comprises a stirrup clamp having an arcuate clamp portion as said first clamp part and a planar portion as said second clamp part.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB7063/77A GB1584971A (en) | 1977-02-18 | 1977-02-18 | Industrial component washing machines |
| GB7063/77 | 1977-02-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1098009A true CA1098009A (en) | 1981-03-24 |
Family
ID=9825914
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA297,170A Expired CA1098009A (en) | 1977-02-18 | 1978-02-17 | Jet assemblies for industrial washing machines |
Country Status (5)
| Country | Link |
|---|---|
| CA (1) | CA1098009A (en) |
| DE (1) | DE2806936A1 (en) |
| FR (1) | FR2392727A1 (en) |
| GB (1) | GB1584971A (en) |
| IT (2) | IT7852933V0 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2567422B1 (en) * | 1984-07-16 | 1987-05-15 | Moutarde Joseph | PROCESS FOR PRODUCING WASHING RAMPS, PARTICULARLY FOR WASHING MACHINES |
| CA2001991A1 (en) * | 1989-11-01 | 1991-05-01 | Norman D. Bowen | Spray nozzles |
| GB2239822B (en) * | 1990-01-16 | 1993-06-02 | Minnovation Ltd | Water spray unit for mining |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2364848A (en) * | 1944-01-19 | 1944-12-12 | Gordon F Hurst | Fog nozzle |
| US2644718A (en) * | 1951-08-20 | 1953-07-07 | Joseph O Richard | Sprinkling apparatus |
| FR2266070A1 (en) * | 1974-03-25 | 1975-10-24 | Pons & Cie Ets | Nozzle for fire fighting hose - changes from jet to spray without water hammer, simplified manufacture |
| GB1579025A (en) * | 1976-05-17 | 1980-11-12 | Cera Int Ltd | Industrial parts washing machines |
-
1977
- 1977-02-18 GB GB7063/77A patent/GB1584971A/en not_active Expired
-
1978
- 1978-02-16 FR FR7804423A patent/FR2392727A1/en not_active Withdrawn
- 1978-02-17 IT IT7852933U patent/IT7852933V0/en unknown
- 1978-02-17 CA CA297,170A patent/CA1098009A/en not_active Expired
- 1978-02-17 IT IT67330/78A patent/IT1108074B/en active
- 1978-02-17 DE DE19782806936 patent/DE2806936A1/en not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| IT7867330A0 (en) | 1978-02-17 |
| DE2806936A1 (en) | 1978-08-24 |
| IT7852933V0 (en) | 1978-02-17 |
| GB1584971A (en) | 1981-02-18 |
| FR2392727A1 (en) | 1978-12-29 |
| IT1108074B (en) | 1985-12-02 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry | ||
| MKEX | Expiry |
Effective date: 19980324 |
|
| MKEX | Expiry |
Effective date: 19980324 |