AU652266B2 - Cylinder head cleaning machine - Google Patents

Cylinder head cleaning machine Download PDF

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Publication number
AU652266B2
AU652266B2 AU20537/92A AU2053792A AU652266B2 AU 652266 B2 AU652266 B2 AU 652266B2 AU 20537/92 A AU20537/92 A AU 20537/92A AU 2053792 A AU2053792 A AU 2053792A AU 652266 B2 AU652266 B2 AU 652266B2
Authority
AU
Australia
Prior art keywords
pressure water
cleaning
clamping
cylinder head
water
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.)
Ceased
Application number
AU20537/92A
Other versions
AU2053792A (en
Inventor
Colin Jones
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.)
Jones Lianne
Original Assignee
LIANNE JONES
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 LIANNE JONES filed Critical LIANNE JONES
Priority to AU20537/92A priority Critical patent/AU652266B2/en
Publication of AU2053792A publication Critical patent/AU2053792A/en
Application granted granted Critical
Publication of AU652266B2 publication Critical patent/AU652266B2/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02BINTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B77/00Component parts, details or accessories, not otherwise provided for
    • F02B77/04Cleaning of, preventing corrosion or erosion in, or preventing unwanted deposits in, combustion engines

Description

P/00/01i1 28/5.91 AUSTALIARegulation 3.2 Patents Act 1990
ORIGINAL
COMPLETE SPECIFICATION STANDARD PATENT Invention Title: YLI.NDER IEAD... CLEANI.MACHINE 00 00. 0. 2 The following statement is a full description of this invention, including the method of.......perform 0. 0. 0. 0. .0 0 0 0 0.
J-
ii: This invention relates generally to equipment for cleaning machine parts and automotive components such as cylinder heads and relates in particular to a machine for cleaning cylinder heads of internal A o 4 .4, .14 S- combustion engines by a high pressure water jet.
In the past, warm or hot aqueous caustic soda (sodium hydroxide) solutions have been used for cleaning grease and other residues from machine parts and automotive components and especially cylinder heads of internal combustion engines but in present times many cylinder heads are made of aluminium alloys which are attacked by caustic soda. Furthermore, waste caustic soda and other waste products from such cleaning operations is flushed into drainage thus polluting the
I
r environment and damaging the ecology. Additionally, attention is not paid to waste recovery.
It is an object of this invention to provide a machine for cleaning parts of machinery such internal combustion engine cylinder heads by using a high- 210 pressure water jet or jets.
According to the invention, there is provided apparatus for cleaning dirty machine parts such as internal combustion engine cylinder heads by using a high-pressure water jet or jets and which comprises a IS- housing, a pair of horizontally-rotatable, vertically opposed clamping assemblies for removably supporting a cylinder head to be cleaned within the housing, the assemblies comprising a tailstock upper clamping assembly and a headstock lower clamping assembly, each
C
assembly having identical, spring-loaded clamping members comprising a plurality of circumferentiallyspaced, clamping members arranged in a circular path upon a horizontally-rotatable disc, at least one high-pressure water jet nozzle mounted within the housing and adapted to direct a high-pressure water spray jet over the cylinder head, and high-pressure water pump means for supplying high-pressure water to the at least one high-pressure water jet nozzle.
(0 Preferably, each clamping member tapers away from one side of the disc to form a conical clamp segment.
Preferably, the tailstock clamping assembly is actuated by a pneumatic ram from an air cylinder i( linear drive unit and the lower or headstck clamping assembly is rotated by a drive chain powered by a 00 variable-speed motor via a chain drive.
il**us Preferably, the apparatus of the invention So includes means associated with the at least one high- 0 0 oo 20 pressure water spray jet to move it to and fro with 0a4 a o respect to the machine part, the said means being a vertically-travelling spinning spray head mounted on a carriage sliding and reciprocating vertically along a o bearing guide members and which is driven by a variablee 25 speed drive electric motor driving an air motor reduct- 0.o° ion gear box operating a chain drive and through a S• rotary coupling thereby spinning a spray nozzle which travels up and down a central threaded column together with the spinning spray head. Preferably, a plurality
/T
F_ 3- -3of high-pressure water spray jets are mounted upon the spinning spray head and are adapted for rotation in a vertical or in an inclined plane and the spinning spray head is adapted to travel in a either a single pass or in multiple passes along and parallel to at least one axis of the machine part to be cleaned.
Preferably, the clamping assemblies and the clamped engine part to be cleaned rotate in unison at variable speeds.
10 Preferably, the apparatus of the invention includes means for collection and separation of waste products from soiled cleaning water, the means comprises a wheeled collection tank within or underneath and removable from the housing, the tank having a plurality of fixed, vertically-opposed and horizontally mutually spaced baffles which separate sludge and any floating scum from the cleaning water which is recovered and .recycled through the apparatus. Preferably the collection tank is also provided with a removable basket 20 of mesh and which is disposed at or near the top of the the tank.
A non-limiting example of a practical arrangement or embodiment of the invention will now be described with reference to the accompanying drawings in which: Figure 1 is a front, external elevational view of a fully-assembled, internal combustion engine cylinder head water spray cleaning machine constructed, arranged and adapted to operate in accordance with the i -a I -i i -4invention, Figure 2 is a rear, external elevational view of the machine of Figure 1.
Figure 3 is a front view with door open of the cylinder head clamping assemblies for the cleaning machine of Figures 1 and 2.
Figure 4 is a front view of the high-pressure water spray assembly (also with door open) for the machine of Figures 1 and 2 and for use with the clamping assemblies of Figure 3.
C (000 O Figure 5 is a rear elevational view of the O spray-cleaning assembly of Figure 4 (with housing wall oo 0 removed).
00 0 Figure 6 is a right-hand side sectional view of the dirty machine part clamping assembly, spray-cleaning assembly and waste water collection and recovery tank.
0 Referring to the drawings, there is shown apparatus in the form of a machine for cleaning dirty machine parts and in this example an alloy cylinder head 20 of an internal combustion engine by means of a high-pressure water jet, the general layout is shown in the external views of Figures 1 and 2 and comprises a cylinder head cleaning cabinet 10 with control box 11, and an overhead tailstock air cylinder 12 which operates a pneumatic clamping ram to hold a dirty "workpiece" cylinder block 23 (referred to hereinafter) in place for cleaning. As shown in Figure 3, a variable-speed drive assembly is provided for rotating the dirty cylinder head at variable speeds while it is clamped between ji clamping assemblies and during cleaning. This drive assembly includes a variable speed pneumatic motor 13 which drives a bearing shaft 13a via a chain drive assembly 13b. The apparatus includes a removable sludge collection and water recovery and recycling tank 14 on four wheels two of which are shown and labelled and 16. A reserve air tank 17 supplies compressed air to a clamping ram and the drive irtor 13. A highpressure water pump 16 is powered by a six-cylinder, 1 0 water-cooled, LP gas-fuelled, internal-combustion engine engine 19 with water-cooling radiator 20. The hot exhaust gases from the engine are passed through a hot water heat-exchange tank 21 so that hot water under pressure is delivered to a transfer pump 22. Alternatively, to prevent exhaust gas pollution, the internal combustion engine for driving the high-pressure water pump 18 can be replaced by an electric motor.
Referring to Figures 3 and 6 of the accompanying drawings, there is additionally shown installed a dirty cylinder head 23 to be cleaned by the apparatus of the invention and which is removably clamped between a tailstock or upper clamping asssembly 24 and a headstock or lower clamping assembly 25, both assemblies comprise a plurality of circumferentially-spaced, conical-headed, spring-loaded clamping members arranged in a circular path around a circular horizontally rotatable disc. The clamping members are actuated by the tailstock pneumatic ram from air cylinder linear drive 12. The clamping assemblies are rotated in unison and at variable speeds -i ~I I -6by the variable-speed motor 13 via chain drive 13a rotating bearing 13b. In Figure 4 there is shown within the same housing as the cylinder head clamping assemblies 24, 25 of Figure 6, a cleaning assembly which comprises a rotating or spinning and vertically travelling high-pressure water spray cleaning head 26 which has a carriage 26a sliding and reciprocating vertically along smooth, hardened-steel linear bearing guides 27, 28 and which is driven by a variable-speed drive electric motor driving the air motor reduction gear box 29a operating a chain drive 30 and through a rotary coupling 30a spinning a tungten-tipped, highpressure water spray nozzle 31 which, with the cleaning head 26 travels up and down a central threaded member 32, Referring again to Figure 6, there is shown in ghosted outline in the waste water collection tank 14 a series of fixed and vertically opposed and horizontally spaced baflles 33, 34, 35, 36 and 37 which separate sludge and any floating scum from spent cleaning water 1 20 which is then recovered and recycled. A removable basket 38 of mesh is also provided in and at the top of the water collection and recovery tank. A dump valve 39 is also provided.
m m

Claims (12)

1. Apparatus for cleaning a dirty machine part such as an internal combustion engine cylinder head by using a high-pressure water jet or jets and which comprises a housing, a pair of horizontally-rotatable, vertically opposed clamping assemblies for removably supporting a cylinder head to be cleaned within the housing, the assemblies comprising a tailstock upper clamping assembly and a headstock lower clamping assembly, each assembly having identicPl, spring-loaded clamping members comprising a plurality of circumfer- entially-spaced, clamping members arranged in a circular path upon a horizontally-rotatable disc, at least one high-pressure water jet nozzle mounted within the housing and adapted to direct a high-pressure w,ter spray Jet over the cylinder head, and high-pressure water pump means for supplying high-pressure water to the at least one high-pressure water jet nozzle.
2. Apparatus according to claim I wherein each clamping member taptrs away from one side of the disc to form a conical clamp segment.
3. Apparatus according to claim I or 2 wherein the tailstock upper clamping assembly is actuaied by a tailstock pneumatic ram from an air cylinder linear drive unit and the lower or headstack clamping assembly is rotated by a drive chain powered by a variable speed motor via a drive chaiA.
4. Apparatus according to any preceding claim wherein headstock lower clamping assembly and thus the a,. 0* *4 *0 0 o 0 0 *4 o 0 0 *0 0 004 0 at. 44 a a 'Sn 0 00 *0 0408 a 01 a at 00 a a 0 000 C *00 C V S 3 000* 0 0 0 0 0440 as a a a a a 0 2~. the upper tailstock clamping assembly and the cylinder block are adapted to be rotated at a variable speed during spray cleaning, ApparattV8 according to claim 4 wherein the clamping assemblies are rotated via a pnk. uxatic motoi1 and chain drive assembly powered from the tailstock pneumatic ram air cylinder unit.
6. Apparatus according to claim 1 and which includes means associated with the at least one high-pressure water spray jet to reciprocate it vertically with respect to the dirty cylinder head.
7. Apparatus according to claim 6 wherein the means associated with the at least one high-pressure water spray jet is a vertically travelling spinning spray head mounted on a carriage sliding and reciprocat- ing vertically along bearing guide members and which is driven by a variable-speed drive electric motor driving an air motor reduction gear box operating a chain drive and through a rotary couplinMg, thereby sninning a spz-ay nozzle which travels up and down a central threaded column together with the spinning- spray head.
8. Apparatus according to claim '7 wherein a plurality of high-pressure water spray jets are mounted upon the spinning spray head and are adapted for rotation in a vertical or inclined plane.
9. Apparatus according to claim 7 or B wherein the spinning spray head is adapted to travel in a single pass or in multiple passes along and parallel to at least one axis of the machine part to be cleaned. a'. a.. Ca a a a a a Ca *00 0 jJ o a'. 046~ 0( *0 S 0 a. 0 a a a an, a, a a a a P c 1 i01 Apparatus acordinE to any preceding claim wherein the high-pressure water pump is powered by a six-cylinder, water-cooled, internal-combustion engine with a water-cooled radiator, 11 Apparatus according to claim 10 wherein the engine is LP gas fuelled.
12. Apparatus according to claim .0 or ii wherein hot exhaust gases from the engine are passed through a hot water heat-excbange tank so that hot water under pressure is delivered to a trasnfer pump. 13 Apparatus according to any preceding claim and which includes means for collection and separation of waste products from soiled cleaning water.
14. Apparatus according to claim 13 wherein the means for colection and separation of waste products from cleaning water comprises a wheeled collection tank removable from the housing and which has a plurality of fixed, vertically-opposed, and horizontally-spaced baffles which separate sludge and any floating scum from the cleaning water which is recovered and recycled.
15. Apparatus according to claim 14 wherein the collection tank includes a removable basket of mesh and which is disposed at or near the top of the tank,
16. Apparatus for cleaning a machine part such as an internal combustion engine cylinder head by using a high-pressure water jet or Jets substantially as hereinbefore described with reference to the accompanying drawings. Dated this 16th day of June, 1994; COLIN LIANNE JONES By Our Patent Attorney; JOHN L.DAVIES CO. 00 0 0o 00 0 o 00o 0400 0 00 00 0040 0000i 0 0 0 00 *i I "r~pp~ ii;. ABSTRACT A machine for cleaning an internal combustion engine cylinder head (23) using a high-pressure water jet supplied by a pump (18) driven by an engine(19) or electric motor and via a spinning spray nozzle (31) mounted on a vertically reciprocating cleaning head (26) travelling the length of a cylinder head (23) clamped by headstock and tailstock clamping assemblies (24,25) each with six conical-headed, spring-loaded clamping members (24,24a) in circular arrangement and closed by a 0 pneumatic ram (12) and rotatable horizontally at varying speeds by a variable-speed motor (13) in syncronization with an overhead variable speed motor (29) driving a spinning spray jet head assembly all assemblies are mounted in a framed cabinet (10> and a removable wheeled waste water collection tank (14) underneath has a removable basket (38) of mesh for coarse waste and has fixed, vertically-opposed, horizontally spaced baffles for separation and settling sludge and floating scum from water which is then recycled. 1| ti
AU20537/92A 1991-08-09 1992-07-23 Cylinder head cleaning machine Ceased AU652266B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU20537/92A AU652266B2 (en) 1991-08-09 1992-07-23 Cylinder head cleaning machine

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
AUPK766591 1991-08-09
AUPK7665 1991-08-09
AU20537/92A AU652266B2 (en) 1991-08-09 1992-07-23 Cylinder head cleaning machine

Related Child Applications (2)

Application Number Title Priority Date Filing Date
AU60645/94A Division AU659973B2 (en) 1991-08-09 1994-04-18 Cylinder head cleaning apparatus
AU60645/94A Addition AU659973B2 (en) 1991-08-09 1994-04-18 Cylinder head cleaning apparatus

Publications (2)

Publication Number Publication Date
AU2053792A AU2053792A (en) 1993-03-11
AU652266B2 true AU652266B2 (en) 1994-08-18

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AU20537/92A Ceased AU652266B2 (en) 1991-08-09 1992-07-23 Cylinder head cleaning machine

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU659973B2 (en) * 1991-08-09 1995-06-01 Colin Hugh Jones Cylinder head cleaning apparatus
CN106733890A (en) * 2016-12-26 2017-05-31 重庆荣易达铝业有限公司 Cylinder cap cleaning method

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1996001157A1 (en) * 1994-07-01 1996-01-18 R. Just Pty. Ltd. Washing and cleaning unit
CN104056824B (en) * 2014-06-17 2016-04-20 常熟通润汽车零部件股份有限公司 Jack base cleaning machine
CN111632931A (en) * 2020-06-12 2020-09-08 陈继华 Be used for small automobile accessory electrophoresis lacquer treatment facility
CN112337873A (en) * 2020-11-05 2021-02-09 重庆红亿机械有限公司 Cylinder cover water channel cleaning machine

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU478513B2 (en) * 1972-10-10 1975-04-10 BUCHINGER and PIUS JOHANN BUCHINGER PIUS Apparatus for cleaning and degreasing machine elements
AU475385B2 (en) * 1973-08-21 1976-01-22 Avion Australia Pty. Ltd Cleansing apparatus
AU2250383A (en) * 1983-12-19 1985-06-27 Convay Systems Ltd. A machine for cleaning receptacles

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU478513B2 (en) * 1972-10-10 1975-04-10 BUCHINGER and PIUS JOHANN BUCHINGER PIUS Apparatus for cleaning and degreasing machine elements
AU475385B2 (en) * 1973-08-21 1976-01-22 Avion Australia Pty. Ltd Cleansing apparatus
AU2250383A (en) * 1983-12-19 1985-06-27 Convay Systems Ltd. A machine for cleaning receptacles

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU659973B2 (en) * 1991-08-09 1995-06-01 Colin Hugh Jones Cylinder head cleaning apparatus
CN106733890A (en) * 2016-12-26 2017-05-31 重庆荣易达铝业有限公司 Cylinder cap cleaning method

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MK14 Patent ceased section 143(a) (annual fees not paid) or expired