EP0568121B1 - Device for cleaning filling machine - Google Patents
Device for cleaning filling machine Download PDFInfo
- Publication number
- EP0568121B1 EP0568121B1 EP93200259A EP93200259A EP0568121B1 EP 0568121 B1 EP0568121 B1 EP 0568121B1 EP 93200259 A EP93200259 A EP 93200259A EP 93200259 A EP93200259 A EP 93200259A EP 0568121 B1 EP0568121 B1 EP 0568121B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- tank
- nozzle
- pipe
- receptacle
- filling
- 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
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
- B67C—CLEANING, FILLING WITH LIQUIDS OR SEMILIQUIDS, OR EMPTYING, OF BOTTLES, JARS, CANS, CASKS, BARRELS, OR SIMILAR CONTAINERS, NOT OTHERWISE PROVIDED FOR; FUNNELS
- B67C3/00—Bottling liquids or semiliquids; Filling jars or cans with liquids or semiliquids using bottling or like apparatus; Filling casks or barrels with liquids or semiliquids
- B67C3/001—Cleaning of filling devices
- B67C3/002—Cleaning of filling devices using cups or dummies to be placed under the filling heads
- B67C3/004—Cleaning of filling devices using cups or dummies to be placed under the filling heads permanently attached to the filling machine and movable between a rest and a working position
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
- B67C—CLEANING, FILLING WITH LIQUIDS OR SEMILIQUIDS, OR EMPTYING, OF BOTTLES, JARS, CANS, CASKS, BARRELS, OR SIMILAR CONTAINERS, NOT OTHERWISE PROVIDED FOR; FUNNELS
- B67C7/00—Concurrent cleaning, filling, and closing of bottles; Processes or devices for at least two of these operations
Definitions
- the present invention relates to a device for cleaning filling machines for filling containers with juice or like liquid.
- such a device already known is adapted to clean a filling machine having a liftable filling liquid tank and a filling nozzle attached to the bottom wall of the tank in suspension.
- the device comprises means for supplying a wash liquor to the tank, and collection means for collecting through the nozzle the wash liquor supplied to the tank.
- the collection means comprises a liquid receptacle having an inlet portion connectable to a discharge end of the filling nozzle, a laterally projecting conduit having an inlet end integral with a side wall of the receptacle and communicating with the interior of the receptacle, the conduit having an outlet end connected to a wash liquor collection pipe, means for supporting the conduit horizontally movably so as to move the inlet portion to a position immediately below the nozzle discharge end or to retract from the position, and means for lifting or lowering the tank along with the filling nozzle so as to removably connect the nozzle discharge end to the inlet portion as advanced to the position immediately therebelow.
- the device To connect the filling nozzle to the liquid receptacle, it is necessary to vertically move the nozzle along with the tank and to horizontally move the receptacle, so that the device has the problem that the connecting procedure is cumbersome and takes much time.
- the device has another problem in that the mechanisms for moving the nozzle and the receptacle are complex. Especially, the tank is bulky and heavy and therefore requires a large device for the upward or downward movement thereof.
- the main object of the present invention is to provide a cleaning device of the type mentioned which is so adapted that the collection pipe for collecting a wash liquor from the filling nozzle can be connected to the nozzle easily within a short period of time.
- the present invention provides a device for cleaning a filling machine having a filling liquid tank and a filling nozzle attached to the bottom wall of the tank in suspension.
- the cleaning device comprises means for supplying a wash liquor to the tank, and collection means for collecting through the nozzle the wash liquor supplied to the tanks, said collection means comprising a liquid receptacle having an inlet portion connectable to a discharge end of the filling nozzle, a laterally projecting conduit having an inlet end integral with a side wall of the receptacle and communicating with the interior of the receptacle, a tubular connector having joined to one end thereof an outlet end of the conduit and connected at the other end thereof to a collection pipe, and means for removably connecting the receptacle to the tank with the inlet portion connected to the discharge end of the nozzle.
- Such a device is known from US-A-4559961.
- a receptacle formed by a manifold can be mounted by means of clamps.
- the device according the invention is characterised in that the outlet end of the conduit is removably joined to said one end of the tubular connector, and in that the collection means comprises support means supporting the tubular connector so as to be upwardly or downwardly pivotally movably at one side of the filling nozzle so that the inlet portion can be removably connected to the discharge end of the nozzle with the conduit joined to the tubular connector.
- the filling nozzle can be connected to the collection pipe for collecting the wash liquor therefrom merely by connecting the conduit to the connector and connecting the liquid receptacle to the tank. This makes it possible to connect the filling nozzle to the collection pipe with ease within a short period of time. Moreover, the connecting procedure does not involve the necessity of upwardly or downwardly moving the tank to eliminate the need to use a large device.
- FIG. 1 shows a rotary vacuum filling machine which comprises a vertical rotary support shaft 12 provided upright on a base 11, a filling liquid tank 13 having a bottom wall supported by the upper end of the support shaft 12, a container transport table 14 positioned at a predetermined distance downward from the bottom wall of the tank 13 and secured to an intermediate portion of the height of the shaft 12, a plurality of filling nozzles 15 mounted on the bottom wall peripheral portion of the tank 13 and arranged at a given spacing, and liftable container supports 16 mounted on the peripheral portion of the table 14 and positioned immediately below the respective filling nozzles 15.
- a collection pipe connecting adapter 17 is provided for every two filling nozzles 15.
- the tank 13 has a top wall which is centrally provided with an opening portion 21 in the form of an upwardly projecting tube.
- the opening portion 21 has an open upper end covered with a closure 22.
- An annular trough 23 for collecting a wash liquor is provided around the opening portion 21.
- a slip ring 28 of rigid synthetic resin and a seal ring 24 of soft synthetic resin inside thereof are interposed between the upper end of the opening portion 21 and the lower surface of the closure 22 over the entire periphery of the opening portion.
- Recesses 28a are formed in the upper face of the slip ring 28 at suitable locations.
- An eccentric ring 25 for lifting the closure 22 is disposed in each recess 28a.
- the eccentric ring 25 has connected thereto a rotating rod 27 provided with a knob 26 and rotatably attached to the closure 22.
- the eccentric ring 25 is rotated in contact with the bottom of the recessed portion 28a so as to direct an eccentric portion downward, whereby the closure 22 is lifted to form a wash liquor collecting clearance between the slip ring 28 and the closure 22 (as shown in FIG. 2, (b)).
- the closure 22 is centrally provided with an upwardly projecting connecting tubular portion 31 having a top wall.
- a vertical cleaning pipe 33 equipped with a spray nozzle 32 at its lower end extends through and is attached to the top wall.
- a vertical liquid supply pipe 34 at the right side of the tubular portion 31 and a vertical rodlike level sensor 35 at the left side thereof extend through and are attached to the closure 22.
- a liquid supply three-way change-over valve 36 has one channel in communication with an open upper end of the cleaning pipe 33.
- a first liquid feed pipe 37 has one end connected to an unillustrated liquid feed pump and the other end connected to one of the two other channels of the valve 36.
- a first shutoff valve 38 has one channel communicating with an open upper end of the liquid supply pipe 34 and the other channel in communication with the other channel of the change-over valve 36.
- the filling liquid tank 13 is provided with a suction blower 39 and a gas-liquid separation tank 40.
- the blower 39 has a suction opening communicating with one channel of a collection three-way change-over valve 41.
- Two valves, i.e., second and third shutoff valves 42, 43,each have one channel in communication with the separation tank 40 through the top wall thereof.
- a fourth shutoff valve 44 has one channel communicating with the tank 40 through its bottom wall.
- a first collection pipe 45 has one end connected to an unillustrated collection pump and the other end connected to one of the two other channels of the three-way change-over valve 41.
- a first suction pipe 46 has one end connected to the remaining channel of the valve 41 and the other end connected to the other channel of the second shutoff valve 42.
- a second suction pipe 47 has one end connected to the other channel of the third shutoff valve 43 and the other end connected to the tubular portion 31 of the tank 13.
- a second liquid feed pipe 48 having one end connected to the unillustrated liquid feed pump is connected to the other channel of the fourth shutoff valve 44.
- An annular second collection pipe 49 is secured to a radially intermediate portion of the container transport table 14 on its upper surface.
- the collection pipe 49 locally has a J-shaped connection pipe 50 extending downward and connected to the collection pump by unillustrated means.
- each filling nozzle 15 comprises a vertical tubular nozzle body 61 having an open upper end in communication with the interior of the tank 13 and suspended by the bottom wall of the tank 13, a vertical air vent pipe 62 fixedly extending through the nozzle body 61 vertically and having a projection 62a projecting downward from the nozzle body 61, a vertically movable discharge pipe 64 provided around the downward projection 62a, a seat ring 63 formed on the lower end outer face of the air vent pipe 62 and integral with the pipe 62 for the discharge pipe 64 to bear on, a compression coiled spring 66 biasing the discharge pipe 64 downward, and a tubular packing 67 extending between and attached to the nozzle body 61 and the discharge pipe 64.
- the nozzle body 61 comprises an upper large-diameter portion 72 and an upper small-diameter portion 73 extending downward from the portion 72 with a stepped portion 71 formed therebetween.
- the upper large-diameter portion 72 is internally formed at its upper end with a stay 75 having at its inner end a mount sleeve 74 for the air vent pipe.
- the large-diameter portion 72 has an upper male screw 76 at its lower end.
- the upper small-diameter portion 73 has six windows 77 each in the form of a vertically elongated slit and arranged at a spacing circumferentially of the portion 73.
- the wash liquor flows into or out of a space between the portion 73 and the packing 67 through these windows 77.
- the air vent pipe 62 has a stepped portion 78 at an intermediate portion of its height and an annular groove 79 spaced apart upward from the stepped portion 78 by a distance corresponding to the height of the mount sleeve 74.
- the portion of the air vent pipe 62 above the stepped portion 78 is inserted through the mount sleeve 74, with the stepped portion 78 in contact with the lower face of the sleeve 74, and a retainer 80 is fitted in the annular groove 79, whereby the air vent pipe 62 is secured to the nozzle body 61.
- the discharge pipe 64 comprises a lower large-diameter portion 82 and a lower small-diameter portion 83 extending downward from the portion 82 with a lower stepped portion 81 formed therebetween.
- the lower large-diameter portion 82 has an outside diameter permitting the portion 82 to come into contact with the opening edge of the container to be filled with a liquid.
- the lower small-diameter portion 83 has an outside diameter permitting the protion 83 to be inserted into the opening of the container.
- the large-diameter portion 82 has an upper surface outer periphery which is at the same level as the lower end face of the upper small-diameter portion 73.
- the lower large-diameter portion 82 is formed on its inner surface with an inward arm 85 provided with an air vent pipe guide sleeve 84 at its inner end.
- the sleeve 84 is fitted around the vent pipe 62.
- the arm 85 has an upper surface which is at a slightly lower level than the outer periphery of upper surface of the lower large-diameter portion 82, and the base portion of upper surface of the arm 85 provides a contact face 85a for the lower end face of the upper small-diameter portion 73.
- a clearance C for permitting the discharge pipe 64 to move upward or downward is formed between the contact face 85a and the lower end face of the upper small-diameter portion 73.
- the lower large-diameter portion 82 has a lower male screw 86 at its upper end.
- a ring 65 of rubber or like elastic material for contact with the opening edge of the container is fitted around the lower small-diameter portion 83, with the upper surface of the ring in contact with the lower stepped portion 81.
- the spring 66 is inserted in the nozzle body 61 around the air vent pipe 62 and held between the stary 75 and the arm 85.
- the packing 67 is made of rubber or like elastic material and thereby rendered stretchable, and has upper and lower flanges 91, 92 at its respective ends and an annular intermediate portion 93, C-shaped in cross section, for providing an allowance for stretching.
- an upper cap nut 94 is screwed on the upper male screw 76 to press the upper flange 91 against the upper stepped portion 71
- a lower cap unit 95 is screwed on the lower male screw 86 to press the lower flange 92 against the lower stepped portion 81.
- Upper and lower thrust washers 96, 97 of metal are interposed respectively between the upper flange 91 and the top wall of the cap nut 94 and between the lower flange 92 and the top wall of the cap nut 95.
- the packing 67 is prevented from rotating with the nuts 94, 95 by these thrust washers 96, 97 when the nuts 94, 95 are tightened up.
- the collection pipe connecting adapter 17 comprises a liquid receptacle 111 in the form of a flat horizontally elongated box, a laterally projecting conduit 112 integral with the receptacle 11 in communication with the interior thereof, and a tubular connector 212 having removably joined to one end thereof the forward end of the conduit 112.
- the receptacle 111 has a top wall which is formed with two inlet portions 113 arranged side by side for connecting thereto the discharge ends of the respective two filling nozzles 15.
- the inlet portion 113 has an upper end having a seal ring 114 attached thereto.
- the conduit 112 externally has a flange 117 at a predetermined distance from its forward end and further has a spigot 118 at the portion thereof forward from the flange 117.
- An O-ring 119 is provided around the spigot 118.
- An L-shaped suspending bracket 115 is secured to a side wall of the receptacle 111.
- the bracket 115 has an upper end with a buckle lock 116 attached thereto.
- the buckle lock 116 has an engageable arm 121 and a lever 122.
- the arm 121 is engageable with a hook 123 on the tank 13 when the lever 122 is in a raised state although not shown, and the bracket 115 is locked in a pulled-up state to the tank 13 when the lever 122 is laid down.
- the connector 212 has at the above-mentioned one end thereof a socket 211 corresponding to the spigot 118.
- the other end of the the connector 212 serves as a pipe connection end 221, which is connected to the second collection pipe 49 by a flexible pipe 222.
- the connector 212 is provided at an intermediate portion of its length with a pair of support pins 213 projecting outward in directions opposite to each other. These support pins 213 are rotatably supported by support blocks 215 suspended from the bottom wall of the tank 13 by a channel bracket 214.
- the suction blower 39 operates to aspirate air from the interior of the tank 13 through the channel indicated by arrows in FIG. 6, whereby the interior of the tank 13 is maintained at a negative pressure.
- a filling liquid sent forward through the first liquid pipe 37 is held within the tank 13 at a constant level based on an output signal from the level sensor 35.
- the discharge of the liquid from the nozzle 15 is discontinued upon the liquid inside the vent pipe 62 reaching the same level as the liquid level within the tank 13.
- the container support 16 thereafter lowers to lower the container.
- the discharge pipe 64 therefore moves down, bringing its lower end into contact with the seat ring 63, whereby the discharge end is closed.
- the filling liquid remains in the air vent pipe 62, whereas the remaining liquid is forced up into the tank 13 by the negative pressure inside the tank 13.
- the filling machine is cleaned by the following operation.
- the adapters 17 are set in position for the filling nozzles 15 in the following manner. With the contact ring 65 removed from each nozzle 15, the spigot 118 of the conduit 112 is inserted into the socket 211 of the connector 212 as directed obliquely downward as indicated in a broken line in FIG. 4, and the bracket 115 is raised and fastened to the tank 13 with the buckle lock 116. This moves the discharge pipe 64 upward to open the discharge end. Next, each eccentric ring 25 is rotated to lift the closure 22 to form a clearance between the slip ring 24 and the closure 22 as previously stated. The connection pipe 50 of the second collection pipe 49 is then connected to the collection pump.
- the second shutoff valve 42 and the fourth shutoff valve 44 are opened, the collection three-way change-over valve 41 is so switched as to connect the first collection pipe 45 to the first Suction pipe 46, and the liquid feed pump and the collection pump are operated, whereby a wash liquor is supplied to the gas-liquid separation tank 40 and the first suction pipe 46 through the second liquid feed pipe 48 and collected via the first collection pipe 45 as indicted by arrows in FIG. 7.
- the second shutoff valve 42 is closed and the third shutoff valve 43 is opened to supply the wash liquor to the gas-liquid separation tank 40 as in the first step.
- the wash liquor flows through the second suction pipe 47 into the filling liquid tank 13.
- the wash liquor flowing into the tank 13 flows down the nozzle 15 into the receptacle 111 via the nozzle discharge end, further flows through the conduit 112 and the connector 212 and is collected by way of the second collection pipe 49.
- the liquid supply three-way change-over valve 36 is so manipulated as to bring the first liquid feed pipe 37 into communication with the first shutoff valve 38, which is then opened to supply the wash liquor via the first liquid feed pipe 37.
- the liquid supplied flows through the liquid supply pipe 34 into the tank 13 and is collected in the same manner as in the second step.
- the change-over valve 36 is manipulated to bring the first liquid feed pipe 37 into communication with the cleaning pipe 33 to similarly supply the wash liquor via the first liquid feed pipe 37.
- the liquor flows down the cleaning pipe 33 and is sprayed through the nozzle 32. This cleans the entire interior of the tank 13 and also the opposed peripheries of the closure 22 and the opening portion 21.
- the collection pump is stopped, and the change-over valve 36 is manipulated in the same manner as in the third step to open the first shutoff valve 38 and supply the wash liquor to the tank 13 via the first liquid feed pipe 37 and the liquid supply pipe 34.
- the collection pump is operated. This forces the wash liquor within the tank 13 to flow down the filling nozzle 15 continuously to clean the entire interior of the nozzle 15, especially the inside of the air vent pipe 62.
- wash liquors for example, hot water, alkali solution, etc.
- water serving as a wash liquor is finally supplied to the tank 13 through the liquid supply pipe 34 with the collection pump held out of operation as in the fifth step. Water is continuously supplied until it overflows the tank 13. The overflow is collected by the trough 23.
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- Filling Of Jars Or Cans And Processes For Cleaning And Sealing Jars (AREA)
- Cleaning In General (AREA)
Description
- The present invention relates to a device for cleaning filling machines for filling containers with juice or like liquid.
- As disclosed, for example, in the publication JP-B-52-23309, such a device already known is adapted to clean a filling machine having a liftable filling liquid tank and a filling nozzle attached to the bottom wall of the tank in suspension. The device comprises means for supplying a wash liquor to the tank, and collection means for collecting through the nozzle the wash liquor supplied to the tank. The collection means comprises a liquid receptacle having an inlet portion connectable to a discharge end of the filling nozzle, a laterally projecting conduit having an inlet end integral with a side wall of the receptacle and communicating with the interior of the receptacle, the conduit having an outlet end connected to a wash liquor collection pipe, means for supporting the conduit horizontally movably so as to move the inlet portion to a position immediately below the nozzle discharge end or to retract from the position, and means for lifting or lowering the tank along with the filling nozzle so as to removably connect the nozzle discharge end to the inlet portion as advanced to the position immediately therebelow.
- To connect the filling nozzle to the liquid receptacle, it is necessary to vertically move the nozzle along with the tank and to horizontally move the receptacle, so that the device has the problem that the connecting procedure is cumbersome and takes much time. The device has another problem in that the mechanisms for moving the nozzle and the receptacle are complex. Especially, the tank is bulky and heavy and therefore requires a large device for the upward or downward movement thereof.
- The main object of the present invention is to provide a cleaning device of the type mentioned which is so adapted that the collection pipe for collecting a wash liquor from the filling nozzle can be connected to the nozzle easily within a short period of time.
- The present invention provides a device for cleaning a filling machine having a filling liquid tank and a filling nozzle attached to the bottom wall of the tank in suspension. The cleaning device comprises means for supplying a wash liquor to the tank, and collection means for collecting through the nozzle the wash liquor supplied to the tanks, said collection means comprising a liquid receptacle having an inlet portion connectable to a discharge end of the filling nozzle, a laterally projecting conduit having an inlet end integral with a side wall of the receptacle and communicating with the interior of the receptacle, a tubular connector having joined to one end thereof an outlet end of the conduit and connected at the other end thereof to a collection pipe, and means for removably connecting the receptacle to the tank with the inlet portion connected to the discharge end of the nozzle.
- Such a device is known from US-A-4559961. In said known device a receptacle formed by a manifold can be mounted by means of clamps.
- The device according the invention is characterised in that the outlet end of the conduit is removably joined to said one end of the tubular connector, and in that the collection means comprises support means supporting the tubular connector so as to be upwardly or downwardly pivotally movably at one side of the filling nozzle so that the inlet portion can be removably connected to the discharge end of the nozzle with the conduit joined to the tubular connector.
- The filling nozzle can be connected to the collection pipe for collecting the wash liquor therefrom merely by connecting the conduit to the connector and connecting the liquid receptacle to the tank. This makes it possible to connect the filling nozzle to the collection pipe with ease within a short period of time. Moreover, the connecting procedure does not involve the necessity of upwardly or downwardly moving the tank to eliminate the need to use a large device.
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- Fig. 1 is a front view partly broken away and showing a filling machine of the present invention in its entirety;
- FIG. 2 includes enlarged fragmentary views in section showing a filling liquid tank in the filling machine;
- FIG. 3 is a view in vertical section of a filling nozzle in the machine;
- FIG. 4 is a view in vertical section of a device for cleaning the filling machine;
- FIG. 5 is a plan view of the cleaning device;
- FIG. 6 is a diagram illustrating an operation for applying suction to the interior of the tank;
- FIG. 7 is a diagram illustrating a cleaning opearation by the cleaning device;
- FIG. 8 is a diagram illustrating another cleaning operation by the device;
- FIG. 9 is a diagram illustrating another cleaning operation by the device; and
- FIG. 10 is a diagram illustrating still another cleaning operation by the device.
- An embodiment of the invention will be described with reference to the drawings.
- FIG. 1 shows a rotary vacuum filling machine which comprises a vertical
rotary support shaft 12 provided upright on abase 11, a fillingliquid tank 13 having a bottom wall supported by the upper end of thesupport shaft 12, a container transport table 14 positioned at a predetermined distance downward from the bottom wall of thetank 13 and secured to an intermediate portion of the height of theshaft 12, a plurality of fillingnozzles 15 mounted on the bottom wall peripheral portion of thetank 13 and arranged at a given spacing, and liftable container supports 16 mounted on the peripheral portion of the table 14 and positioned immediately below therespective filling nozzles 15. - A collection
pipe connecting adapter 17 is provided for every twofilling nozzles 15. - The
tank 13 has a top wall which is centrally provided with anopening portion 21 in the form of an upwardly projecting tube. Theopening portion 21 has an open upper end covered with aclosure 22. Anannular trough 23 for collecting a wash liquor is provided around theopening portion 21. - With reference to FIG. 2, a
slip ring 28 of rigid synthetic resin and aseal ring 24 of soft synthetic resin inside thereof are interposed between the upper end of theopening portion 21 and the lower surface of theclosure 22 over the entire periphery of the opening portion.Recesses 28a are formed in the upper face of theslip ring 28 at suitable locations. Aneccentric ring 25 for lifting theclosure 22 is disposed in eachrecess 28a. Theeccentric ring 25 has connected thereto a rotatingrod 27 provided with aknob 26 and rotatably attached to theclosure 22. - The
eccentric ring 25 is rotated in contact with the bottom of therecessed portion 28a so as to direct an eccentric portion downward, whereby theclosure 22 is lifted to form a wash liquor collecting clearance between theslip ring 28 and the closure 22 (as shown in FIG. 2, (b)). - With reference to FIG. 1 again, the
closure 22 is centrally provided with an upwardly projecting connectingtubular portion 31 having a top wall. A vertical cleaning pipe 33 equipped with aspray nozzle 32 at its lower end extends through and is attached to the top wall. A verticalliquid supply pipe 34 at the right side of thetubular portion 31 and a verticalrodlike level sensor 35 at the left side thereof extend through and are attached to theclosure 22. - A liquid supply three-way change-over
valve 36 has one channel in communication with an open upper end of the cleaning pipe 33. A firstliquid feed pipe 37 has one end connected to an unillustrated liquid feed pump and the other end connected to one of the two other channels of thevalve 36. Afirst shutoff valve 38 has one channel communicating with an open upper end of theliquid supply pipe 34 and the other channel in communication with the other channel of the change-overvalve 36. - The filling
liquid tank 13 is provided with asuction blower 39 and a gas-liquid separation tank 40. Theblower 39 has a suction opening communicating with one channel of a collection three-way change-overvalve 41. Two valves, i.e., second andthird shutoff valves separation tank 40 through the top wall thereof. Afourth shutoff valve 44 has one channel communicating with thetank 40 through its bottom wall. Afirst collection pipe 45 has one end connected to an unillustrated collection pump and the other end connected to one of the two other channels of the three-way change-overvalve 41. Afirst suction pipe 46 has one end connected to the remaining channel of thevalve 41 and the other end connected to the other channel of thesecond shutoff valve 42. Asecond suction pipe 47 has one end connected to the other channel of thethird shutoff valve 43 and the other end connected to thetubular portion 31 of thetank 13. A secondliquid feed pipe 48 having one end connected to the unillustrated liquid feed pump is connected to the other channel of thefourth shutoff valve 44. - An annular
second collection pipe 49 is secured to a radially intermediate portion of the container transport table 14 on its upper surface. Thecollection pipe 49 locally has a J-shaped connection pipe 50 extending downward and connected to the collection pump by unillustrated means. - As shown in detail in FIG. 3, each
filling nozzle 15 comprises a verticaltubular nozzle body 61 having an open upper end in communication with the interior of thetank 13 and suspended by the bottom wall of thetank 13, a verticalair vent pipe 62 fixedly extending through thenozzle body 61 vertically and having aprojection 62a projecting downward from thenozzle body 61, a verticallymovable discharge pipe 64 provided around thedownward projection 62a, aseat ring 63 formed on the lower end outer face of theair vent pipe 62 and integral with thepipe 62 for thedischarge pipe 64 to bear on, a compression coiledspring 66 biasing thedischarge pipe 64 downward, and atubular packing 67 extending between and attached to thenozzle body 61 and thedischarge pipe 64. - The
nozzle body 61 comprises an upper large-diameter portion 72 and an upper small-diameter portion 73 extending downward from the portion 72 with a stepped portion 71 formed therebetween. The upper large-diameter portion 72 is internally formed at its upper end with astay 75 having at its inner end a mount sleeve 74 for the air vent pipe. The large-diameter portion 72 has anupper male screw 76 at its lower end. - The upper small-
diameter portion 73 has sixwindows 77 each in the form of a vertically elongated slit and arranged at a spacing circumferentially of theportion 73. The wash liquor flows into or out of a space between theportion 73 and thepacking 67 through thesewindows 77. - The
air vent pipe 62 has astepped portion 78 at an intermediate portion of its height and anannular groove 79 spaced apart upward from thestepped portion 78 by a distance corresponding to the height of the mount sleeve 74. The portion of theair vent pipe 62 above thestepped portion 78 is inserted through the mount sleeve 74, with thestepped portion 78 in contact with the lower face of the sleeve 74, and aretainer 80 is fitted in theannular groove 79, whereby theair vent pipe 62 is secured to thenozzle body 61. - The
discharge pipe 64 comprises a lower large-diameter portion 82 and a lower small-diameter portion 83 extending downward from theportion 82 with a lowerstepped portion 81 formed therebetween. The lower large-diameter portion 82 has an outside diameter permitting theportion 82 to come into contact with the opening edge of the container to be filled with a liquid. The lower small-diameter portion 83 has an outside diameter permitting theprotion 83 to be inserted into the opening of the container. The large-diameter portion 82 has an upper surface outer periphery which is at the same level as the lower end face of the upper small-diameter portion 73. The lower large-diameter portion 82 is formed on its inner surface with aninward arm 85 provided with an air vent pipe guide sleeve 84 at its inner end. The sleeve 84 is fitted around thevent pipe 62. Thearm 85 has an upper surface which is at a slightly lower level than the outer periphery of upper surface of the lower large-diameter portion 82, and the base portion of upper surface of thearm 85 provides a contact face 85a for the lower end face of the upper small-diameter portion 73. A clearance C for permitting thedischarge pipe 64 to move upward or downward is formed between the contact face 85a and the lower end face of the upper small-diameter portion 73. The lower large-diameter portion 82 has a lower male screw 86 at its upper end. - A
ring 65 of rubber or like elastic material for contact with the opening edge of the container is fitted around the lower small-diameter portion 83, with the upper surface of the ring in contact with the lower steppedportion 81. - The
spring 66 is inserted in thenozzle body 61 around theair vent pipe 62 and held between the stary 75 and thearm 85. - The packing 67 is made of rubber or like elastic material and thereby rendered stretchable, and has upper and
lower flanges intermediate portion 93, C-shaped in cross section, for providing an allowance for stretching. With the packing 67 provided around the upper small-diameter portion 73, anupper cap nut 94 is screwed on the uppermale screw 76 to press theupper flange 91 against the upper stepped portion 71, and a lower cap unit 95 is screwed on the lower male screw 86 to press thelower flange 92 against the lower steppedportion 81. Upper andlower thrust washers 96, 97 of metal are interposed respectively between theupper flange 91 and the top wall of thecap nut 94 and between thelower flange 92 and the top wall of the cap nut 95. The packing 67 is prevented from rotating with the nuts 94, 95 by thesethrust washers 96, 97 when the nuts 94, 95 are tightened up. - As shown in detail in FIGS. 4 and 5, the collection
pipe connecting adapter 17 comprises a liquid receptacle 111 in the form of a flat horizontally elongated box, a laterally projectingconduit 112 integral with thereceptacle 11 in communication with the interior thereof, and atubular connector 212 having removably joined to one end thereof the forward end of theconduit 112. - The receptacle 111 has a top wall which is formed with two
inlet portions 113 arranged side by side for connecting thereto the discharge ends of the respective two fillingnozzles 15. Theinlet portion 113 has an upper end having aseal ring 114 attached thereto. - The
conduit 112 externally has aflange 117 at a predetermined distance from its forward end and further has aspigot 118 at the portion thereof forward from theflange 117. An O-ring 119 is provided around thespigot 118. - An L-shaped suspending
bracket 115 is secured to a side wall of the receptacle 111. Thebracket 115 has an upper end with abuckle lock 116 attached thereto. Thebuckle lock 116 has anengageable arm 121 and alever 122. Thearm 121 is engageable with ahook 123 on thetank 13 when thelever 122 is in a raised state although not shown, and thebracket 115 is locked in a pulled-up state to thetank 13 when thelever 122 is laid down. - The
connector 212 has at the above-mentioned one end thereof asocket 211 corresponding to thespigot 118. The other end of the theconnector 212 serves as apipe connection end 221, which is connected to thesecond collection pipe 49 by aflexible pipe 222. - The
connector 212 is provided at an intermediate portion of its length with a pair of support pins 213 projecting outward in directions opposite to each other. These support pins 213 are rotatably supported bysupport blocks 215 suspended from the bottom wall of thetank 13 by achannel bracket 214. - For a filling operation, the
suction blower 39 operates to aspirate air from the interior of thetank 13 through the channel indicated by arrows in FIG. 6, whereby the interior of thetank 13 is maintained at a negative pressure. On the other hand, a filling liquid sent forward through the firstliquid pipe 37 is held within thetank 13 at a constant level based on an output signal from thelevel sensor 35. - With the rotation of the
support shaft 12, thetank 13 and the table 14 rotate, but theclosure 22 remains unrotated. In this case, theslip ring 28 rotates with thetank 13 in sliding contact with theclosure 22. This assures thetank 13 of smooth rotation. - When a container is supplied onto the
container support 16, thesupport 16 moves upward, bringing the opening edge of the container into contact with thecontact ring 65 to push the ring upward, whereby thedischarge pipe 64 is forced upward along with thecontact ring 65. This releases the lower end of thedischarge pipe 64 from theseat ring 63 and opens the discharge end. On the other hand, air is discharged from inside the container through theair vent pipe 62, whereby the interior of the container is given the same negative pressure as in thetank 13, permitting delivery of the filling liquid from the discharge end into the container. Upon the liquid inside the container reaching the same level as the lower end of theair vent pipe 62, no portion of the filling liquid is delivered into the container, but the liquid discharged ascends theair vent pipe 62. The discharge of the liquid from thenozzle 15 is discontinued upon the liquid inside thevent pipe 62 reaching the same level as the liquid level within thetank 13. Thecontainer support 16 thereafter lowers to lower the container. Thedischarge pipe 64 therefore moves down, bringing its lower end into contact with theseat ring 63, whereby the discharge end is closed. At this time, the filling liquid remains in theair vent pipe 62, whereas the remaining liquid is forced up into thetank 13 by the negative pressure inside thetank 13. - The filling machine is cleaned by the following operation.
- In preparation for cleaning, the
adapters 17 are set in position for the fillingnozzles 15 in the following manner. With thecontact ring 65 removed from eachnozzle 15, thespigot 118 of theconduit 112 is inserted into thesocket 211 of theconnector 212 as directed obliquely downward as indicated in a broken line in FIG. 4, and thebracket 115 is raised and fastened to thetank 13 with thebuckle lock 116. This moves thedischarge pipe 64 upward to open the discharge end. Next, eacheccentric ring 25 is rotated to lift theclosure 22 to form a clearance between theslip ring 24 and theclosure 22 as previously stated. Theconnection pipe 50 of thesecond collection pipe 49 is then connected to the collection pump. - When the preparation procedure has been thus completed, the following five steps are executed one after another.
- With reference to FIG. 7 showing the first step, the
second shutoff valve 42 and thefourth shutoff valve 44 are opened, the collection three-way change-overvalve 41 is so switched as to connect thefirst collection pipe 45 to thefirst Suction pipe 46, and the liquid feed pump and the collection pump are operated, whereby a wash liquor is supplied to the gas-liquid separation tank 40 and thefirst suction pipe 46 through the secondliquid feed pipe 48 and collected via thefirst collection pipe 45 as indicted by arrows in FIG. 7. - With reference to FIG. 8 showing the second step, the
second shutoff valve 42 is closed and thethird shutoff valve 43 is opened to supply the wash liquor to the gas-liquid separation tank 40 as in the first step. At this time, the wash liquor flows through thesecond suction pipe 47 into the fillingliquid tank 13. The wash liquor flowing into thetank 13 flows down thenozzle 15 into the receptacle 111 via the nozzle discharge end, further flows through theconduit 112 and theconnector 212 and is collected by way of thesecond collection pipe 49. - In the third step illustrated in FIG. 9, the liquid supply three-way change-over
valve 36 is so manipulated as to bring the firstliquid feed pipe 37 into communication with thefirst shutoff valve 38, which is then opened to supply the wash liquor via the firstliquid feed pipe 37. The liquid supplied flows through theliquid supply pipe 34 into thetank 13 and is collected in the same manner as in the second step. - In the fourth step illustrated in FIG. 10, the change-over
valve 36 is manipulated to bring the firstliquid feed pipe 37 into communication with the cleaning pipe 33 to similarly supply the wash liquor via the firstliquid feed pipe 37. The liquor flows down the cleaning pipe 33 and is sprayed through thenozzle 32. This cleans the entire interior of thetank 13 and also the opposed peripheries of theclosure 22 and the openingportion 21. - In the fifth step, the collection pump is stopped, and the change-over
valve 36 is manipulated in the same manner as in the third step to open thefirst shutoff valve 38 and supply the wash liquor to thetank 13 via the firstliquid feed pipe 37 and theliquid supply pipe 34. Upon the liquid level within thetank 13 rising to a level higher than the upper end of theair vent pipe 62, the collection pump is operated. This forces the wash liquor within thetank 13 to flow down the fillingnozzle 15 continuously to clean the entire interior of thenozzle 15, especially the inside of theair vent pipe 62. - The five steps described are executed repeatedly using different kinds of wash liquors, for example, hot water, alkali solution, etc.
- On completion of the above procedures, water serving as a wash liquor is finally supplied to the
tank 13 through theliquid supply pipe 34 with the collection pump held out of operation as in the fifth step. Water is continuously supplied until it overflows thetank 13. The overflow is collected by thetrough 23. - When the cleaning operation has been completed in this way, the
closure 22 is closed, and eachadapter 17 is removed from the fillingnozzle 13 by a procedure reverse to the setting procedure described, whereby the machine is made ready for a filling operation.
Claims (5)
- A device for cleaning a filling machine having a filling liquid tank (13) and a filling nozzle (15) attached to a bottom wall of the tank (13) in suspension, whereby the device comprises means for supplying a wash liquor to the tank (13), and collection means for collecting through the fillig nozzle (15) the wash liquor supplied to the tank (13), said collection means comprising a liquid receptacle (111) having an inlet portion (113) connectable to a discharge end of the filling nozzle (15), a laterally projecting conduit (112) having an inlet end integral with a side wall of the receptacle (111) and communicating with the interior of the receptacle (111), a tubular connector (212) having joined to one end thereof an outlet end of the conduit (112) and connected at the other end thereof to a collection pipe (49), and means for removably connecting the receptacle (111) to the tank (15) with the inlet portion (113) connected to the discharge end of the nozzle, characterised in that the outlet end of the conduit (112) is removably joined to said one end of the tubular connector, and in that the collection means comprises support means (213, 215) supporting the tubular connector (212) so as to be upwardly or downwardly pivotally movably at one side of the filling nozzle (15) so that the inlet portion (113) can be removably connected to the discharge end of the nozzle with the conduit (112) joined to the tubular connector (212).
- A cleaning device as defined in claim 1, wherein the conduit (112) has a flange (117) externally thereon close to the outlet end and a spigot (118) extending from the flanged portion to the outlet end, and the connector (212) has at said one end thereof a socket (211) corresponding to the spigot (118).
- A cleaning device as defined in claim 1 or 2, wherein the support means comprises a pair of horizontal pins (213) projecting outward from the outer peripheral surface of the connector (212) in directions opposite to each other, and support blocks (215) rotatably supporting the horizontal pins (213) and fixedly suspended from the bottom wall of the tank (13).
- A cleaning device as defined in any preceding claim, wherein the connecting means comprises a bracket (115) fixedly upstanding from the side wall of the receptacle (111) and having an upper end extending to the bottom wall of the tank (13) when the inlet portion (113) is connected to the discharge end of the nozzle (15), and a buckle lock (116) for attaching the upper end of the bracket (115) to the bottom wall of the tank (13), said buckle lock (116) comprising a hook (123) fixed to the bottom wall of the tank (13), and an engageable arm (121) and a lever (122) both attached to the bracket (115), the arm (121) being engageable with the hook (123) when the lever (122) is in a raised state, the bracket (115) being lockable in a pulled-up state to the tank (13) when the lever (122) is laid down.
- A cleaning device as defined in any preceding claim, wherein the tank (13) is fixed to an upper end of a vertical rotary support shaft (12), a container transport table (14) being secured to the support shaft (12) at an intermediate portion of its height, the collection pipe (49) being fixed to the transport table (14), and the connector (212) and the collection pipe (49) being interconnected by a flexible pipe (222).
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3517/92 | 1992-02-03 | ||
JP1992003517U JP2582559Y2 (en) | 1992-02-03 | 1992-02-03 | Cleaning equipment for filling machines |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0568121A1 EP0568121A1 (en) | 1993-11-03 |
EP0568121B1 true EP0568121B1 (en) | 1996-07-24 |
Family
ID=11559563
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP93200259A Expired - Lifetime EP0568121B1 (en) | 1992-02-03 | 1993-02-02 | Device for cleaning filling machine |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP0568121B1 (en) |
JP (1) | JP2582559Y2 (en) |
KR (1) | KR100199532B1 (en) |
DE (1) | DE69303759T2 (en) |
DK (1) | DK0568121T3 (en) |
TW (1) | TW284743B (en) |
Families Citing this family (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2720733B1 (en) * | 1994-06-02 | 1996-07-19 | Serac Sa | Filling device comprising a cleaning manifold fixed to a distribution duct. |
US5584324A (en) * | 1994-09-30 | 1996-12-17 | Tetra Laval Holdings & Finance S.A. | Automated product draining method for a packaging machine |
IT1280743B1 (en) * | 1995-12-22 | 1998-02-06 | Procomac Spa | FALSE BOTTLE FOR SANITIZATION CYCLE IN FILLING MACHINE |
JPH10181796A (en) * | 1996-12-26 | 1998-07-07 | Shikoku Kakoki Co Ltd | Apparatus for collecting detergent in filling nozzle in filling machine |
FR2788047B1 (en) * | 1999-01-06 | 2001-01-26 | Sidel Sa | FILLING MACHINE COMPRISING IMPROVED CLEANING MEANS |
FR2791338B1 (en) * | 1999-03-26 | 2002-07-12 | Serac Group | CONTAINER FILLING DEVICE HAVING AN INTEGRATED CLEANING DEVICE |
US6338370B1 (en) | 2000-05-31 | 2002-01-15 | Fogg Filler Company | Fill valve assembly for filler device and associated method |
JP4622142B2 (en) * | 2001-04-18 | 2011-02-02 | 澁谷工業株式会社 | Cleaning device for filling machine |
US6786248B2 (en) | 2001-10-11 | 2004-09-07 | Fogg Filler Company | Fill valve assembly for filler device |
ES2216666B1 (en) * | 2002-01-30 | 2006-01-16 | Irundin, S.L. | IMPROVED CLEANING DEVICE FOR BOTTLING MACHINE PIPES. |
US6889482B2 (en) | 2002-10-10 | 2005-05-10 | Fogg Filler Company | Filler device sub-assembly |
ITPN20040021A1 (en) * | 2004-03-19 | 2004-06-19 | Servizi Tecnici Avanzati S R L | "BOTTLE FILLING SYSTEM WITH PERFECTED FILLING VALVE" |
ITMN20050031A1 (en) | 2005-05-20 | 2006-11-21 | Weightpack Srl | FILLING MACHINE OF CONTAINERS BY LIQUID PRODUCT |
DE102005037127B4 (en) * | 2005-08-06 | 2007-09-06 | Khs Ag | Filling element with rinsing cap |
RU2390393C2 (en) * | 2005-08-08 | 2010-05-27 | РУ Этьен ЛЕ | Method and device for automatic cleaning of equipment for bottles filling |
ITPD20060365A1 (en) | 2006-10-04 | 2008-04-05 | Mbf Spa | ISOBARIC ROTARY FILLING MACHINE FOR FILLING CONTAINERS WITH LIQUIDS |
KR101076836B1 (en) | 2010-10-15 | 2011-10-25 | (주)대성후드텍 | Clean-in-place device having pressure pump for recycling |
ITPR20120034A1 (en) * | 2012-05-28 | 2013-11-29 | Gea Procomac Spa | FILLER AND METHOD TO SANITIZE, IN A FILLER, A DRINKING LINE FOR A BEVERAGE |
DE102017109873A1 (en) * | 2017-05-08 | 2018-11-08 | Haver & Boecker Ohg | Cleaning device for cleaning a tubular inner wall of a container of bulk material particles |
CN110422353B (en) * | 2019-07-31 | 2024-06-28 | 邹忠强 | Vertical roller packagine machine suitable for fluid material |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5952110B2 (en) * | 1977-04-20 | 1984-12-18 | 「渋」谷工業株式会社 | Filling machine nozzle cleaning device |
FR2540754A1 (en) * | 1983-02-15 | 1984-08-17 | Serac Sa | DEVICE FOR CLEANING A FILLING HEAD WITHOUT DISASSEMBLING THE SAME |
US4559961A (en) * | 1984-04-16 | 1985-12-24 | Anderson Frank E | Sanitizer system for beverage can filler machine |
EP0162968B1 (en) * | 1984-05-26 | 1987-12-02 | Shikoku Kakoki Co., Ltd. | Packaging machine |
JPS61152593A (en) * | 1984-12-27 | 1986-07-11 | 株式会社深尾鉄工所 | Washer in filler |
DE3722495C2 (en) * | 1987-07-08 | 1994-04-07 | Holstein & Kappert Maschf | Filling and sealing machine for vessels |
-
1992
- 1992-02-03 JP JP1992003517U patent/JP2582559Y2/en not_active Expired - Fee Related
-
1993
- 1993-02-02 KR KR1019930001377A patent/KR100199532B1/en not_active IP Right Cessation
- 1993-02-02 DE DE69303759T patent/DE69303759T2/en not_active Expired - Fee Related
- 1993-02-02 EP EP93200259A patent/EP0568121B1/en not_active Expired - Lifetime
- 1993-02-02 DK DK93200259.5T patent/DK0568121T3/en active
- 1993-02-03 TW TW082100732A patent/TW284743B/zh active
Also Published As
Publication number | Publication date |
---|---|
KR930017807A (en) | 1993-09-20 |
TW284743B (en) | 1996-09-01 |
DE69303759T2 (en) | 1996-12-12 |
KR100199532B1 (en) | 1999-06-15 |
JP2582559Y2 (en) | 1998-10-08 |
JPH0562497U (en) | 1993-08-20 |
EP0568121A1 (en) | 1993-11-03 |
DK0568121T3 (en) | 1996-08-26 |
DE69303759D1 (en) | 1996-08-29 |
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