AU619855B2 - Filling machinery - Google Patents
Filling machinery Download PDFInfo
- Publication number
- AU619855B2 AU619855B2 AU36381/89A AU3638189A AU619855B2 AU 619855 B2 AU619855 B2 AU 619855B2 AU 36381/89 A AU36381/89 A AU 36381/89A AU 3638189 A AU3638189 A AU 3638189A AU 619855 B2 AU619855 B2 AU 619855B2
- Authority
- AU
- Australia
- Prior art keywords
- sprocket
- filler
- disk
- links
- gate
- 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
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B39/00—Nozzles, funnels or guides for introducing articles or materials into containers or wrappers
- B65B39/14—Nozzles, funnels or guides for introducing articles or materials into containers or wrappers movable with a moving container or wrapper during filling or depositing
- B65B39/145—Nozzles, funnels or guides for introducing articles or materials into containers or wrappers movable with a moving container or wrapper during filling or depositing in an endless path
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B55/00—Preserving, protecting or purifying packages or package contents in association with packaging
- B65B55/24—Cleaning of, or removing dust from, containers, wrappers, or packaging ; Preventing of fouling
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Closing Of Containers (AREA)
- Auxiliary Devices For And Details Of Packaging Control (AREA)
- Vacuum Packaging (AREA)
- Basic Packing Technique (AREA)
Description
619855 COMPLETE SPECIFICATION FOR OFFICE USE Application Number: Lodged: Complete Specification Priority: Class Int. Class Lodged; Accepted: Published: *49 4 9 Related Art: Name of Applicant: Addresa of Applicant; Actual Inventor; TO BE COMPLETED BY APPLICANT FMC CORPORATION 200 East Randolph Drive, Chicago, United States of America James K. JOURDAN SMITH SHELSTON BEADLE 207 Riversdale Road Box 410) Hawthorn, Victoriap Australia 'llinois 60601, Address for Service: Complete Specification for the invention entitled: FILLING MACIINERY The following statement is a full description of this invention, including the best method of performing it known to us: Page 1 Our Ref: #3560 PS:WB -la This invention relates to deposit-fill-seal machinery, generally, and more particularly, to such machinery that use containers which requ.ire a clean lip for accepting a lid or closure, Fillers, such as granular fillers, for F example, deposit food stuffs into containers and are then covered by a closure or lid which is sealed to the container. A common m ,thod for effecting the seal between the container and the closure is the application of heat under pressure fra specified length of time, However, the seal will be ineffective and the resulting package defective, if the sealing area around the periphery of the container, the seal lip, is contaminated by food falling onto the sealing area, The present invention addresses this problem, in several ways by assuring that the seal area of the container remains clean and free from food stuffs, The peesont invention also provides a means for convenient cleaning of the filler, which is necessary when changing product iand to maintain a clean and sterile environment.
These and other attributes of the present invention, and many of the attendant advantages thereof, will become more readily apparent from a perusal of the following description and the accompanying drawings, wherein; Figure 1 is a top plan view, with portions broken away for clarity, of a filler according to the present invention,, Figure 2 it a cross sectional view taken on line 2-2 of F~igure 1;, Figure 3 is a cross sectional view taken on line 3-3 of Figure 1; _I 2 Figure 4 is a detailed, isometric view of wiper arm and vacuum pickup for the protection disk shown in Figures 1 and 3; Figure 5 is a detailed isometric view of a gate and the associated retainer; Figure 6 is top plan view of a sector of the chain sprocket and the chain, with portions thereof broken away for clarity; Figure 7 is an isometric view of a portion of the sprocket shown in Figure 6; and i :t Figure 8 is an expanded view of the chain S shown in Figure 6.
Referring now to Figures 1 and 2, there is I shown a granular filler, indicated generally at I 15 having a drive sprocket 12 which is rotatably V supported by a large diameter roller bearing 14 with its inner race 16 indirectly secured to and supported from a rigid base, a portion of which is shown at 18, and its outier race 20 secured to drive sprocket 12. A ring mount 22 is secured to, and elevated above, the drive sprocket 12 by a plurality of posts 24 carried by the drive sprocket 12, The posts 24 transmit the rotational motion of the drive sprocket 12 to the ring mount 22, so that the ring mount rotates therewith, and elevate the ring mount 22 above the sprocket to provide clearance for the next carried by the chain, to be explained hereinafter, A plurality of threaded posts 26 are rigidly secured to and carried by the ring mount 22, A threaded sleeve 28 engages each of the threaded posts 26 and has an outward extending flange (not shown) which is trapped between the fill top support 30 and a retainer 32 attached to the support 30, The threaded sleeves 28 can rotate relative to the posts 26, and thereby move vertically thereon, and can rotate relative to the re~tainer 32 and the support 30, but cannot move vertically relative thereto and thereby moves the support 30 vertically as the sleeves are moved vertically. Each of the sleeves 28 is keyed or otherwise secured to a sprocket 34, A chain 36 1,, trained around the sprockets 34 and a drive sprocket 38, which is driven by a bi-directional air motor 40, Rotation of the motor will cause the threaded sleeves 28 to rotate on the fixed threaded posts 26 which will cause the support 30 to be I,:.-;raised or lowered, depending on the direction of rotation of the motor 40, This arrangement for vertical adjustment of the fill top support V relative to the ring mount 22 is conventional and provides a means for varying the fill volume, An annular fill top 42 is secured to the fill V top support 30 and is provided with a plurality of V uniformly spaced upper measuring cups 44, Corresponding lower measuring cups 46 are carried by and sit in complementary holes in, a support ring 45 secured to the upper side of the ring mount 22; the tops of the lower measuring cups 46 being flush with the upper surface of the support ring The lower cups 46 slldingly engage the upper cups 44, when the fill top support 30, which is shown in Figure 2 in its lowermost position, Is raised by rotation of the air motor 40, the upper cup 44 will telescope upward relative to the lower cup 46, thereby increasing the volume of fill,~ The cups are filled by passing under a fill hopper 48 which has an open bottom permitting the granular material to fall, under the influence of gravity, into the cups. The hopper 48 is supported from an accessory ring 50 which is, in turn, supported by rollers 52 r~iding on the rim 54 of the fill top 42, A slotted torque arm 56 attached to the -4ring 50, with a rigid pin 58 extending from the base 18 through the slot to keep the accessory ring and hence the hopper 48, from rotating with the fill top while maintaining a relatively constant clearance between bottom of the hopper 48 and the fill top, The ability of the accessory ring 50 to move a slight amount both vertically and laterally accommodates Imperfection in the rotational plane and in the circular form of the fill top while keeping the distance between the hopper and the fill top relatively constant, 0~o withA gate 60 is provided for each of the cups wiheach gate pivotally mounted on the lower side 4 0 of the support ring 45. The gates 60 are pivoted between an outward or closed position in which the ~4 *4gate engages the underneath side of the lower cup 46 and blocks material from falling therefrom, and an inward or open position In which the lower cup 0 46 is aligned with an opening 62 formed in the gate 20 in t~hich mterial in the upper and lower cup are deposited, uinder the influence of gravity, into a contalner The mo~unting for each gate 60 is best shown in r'lgure S. A pin 64 is affixed to the lower side of the suIpport ring 45 and extends
TT~
downward. The gate 60 has a reduced thickness extension 66 with a hole 60 therethrough which is capable of accepting the pin4 64 and defines therewith a pivot axis for the gate 60. A retainer it secured to the outer edge of' the support ring 45 and engages the extension 66 to hold the gate on the pin 64 The retainer 70 is provided with a lateral extension 71 which engages a reduced thickness portion 72 on the adjacent gate, The reduced thickness portion 72 is formed as a circular arc centered on the hole 68. A stop 74 is formed aa ain abrupt increase in thickneso and serves to position the gate 60 in its outward position, The inward position of the gate 60 is determined by the flat section 76 which engages a flat stop section 78 formed in the cut-out provided in the ring mount 22 to accommodate the gate 60. The retainer 70 is formed, as shown on the left of Figure 2, to be elastically deformed when engaging the portion 72 and the extension 66, which are both substantially the same thickness, to exert an upward spring force c_ the gate 60 to hold it in tight engagement with the lower surface of the support ring 45, Assembly and disassembly is facilitated by a notch 88 formed in the extension 66 having a width and length to accommodate the ft4:15 amount of the overlap with the retainer 70, To assemble the gate, it is positioned with the notch 88 registered with the retainer 70 and moved upward with the pin 64 engaging the hole 68 in the gate The gate is then rotated about the pin 64 counterclockwise, as seen in Figure 1, which will cause one retainer to engage the extension 66 and the extension 71 of the adjacent retainer will be cammed downward by the ramp 86 until the stop 74 is ii cleared and the extension will then engage the portion 72. The gate 60 will thus be held tightly against the support ring The position of the gate is determined by a closing cam 90 and an opening cam 92. The gate is provided with a follower rod 94 attached to and extending upward from an arm 96 formed on the gate The gates 60 are moved to their outward or closed positions by the closing cam 90 as the sprocket 12 is rotated, The gates are, after the cups have been filled by passing under the hopper 48, then opened when posiltion..d over a container by the follower rod 94 engaging the camn surfaoe 98 of
I
I
-6 9 9 9 4 04 o o 99 ~9 9 h 9 9 9 99 9 9
I
99 09 09 9 9 0 99'', 9 41 9* 9 99 99 9 9* I 99 9 9 i a. a the opening arm 92; the arm 92 cams the gates inward to their open position so the cups can deposit their material in the containers positioned therebelow. The arm 92 is pivotally mounted and can be swung to an inoperative position, as shown by dotted lines in Figure 1, by an air cylinder 100 in response to a sensor, not shown, indicating that a container is missing, In the aforementioned operative positi.on the appropriate gate moves past the arm 92 without contacting the cam surface 98 and the gate remains in its outward, closed position. The closing cam 90 is shaped to accommodate an already closed gate, by simply allowing the rod 94 to move therethrough, i~e. the 15 outer surface 102 of the cam 90 is a circular arc having a radius at least equal to the radius traced by the rod 94 on an open gate.
The containers, not shown, may be formed of plastic material with a shape to conform with the 20 cavity of a nest 104, as shown In Figure 8, and having a lip which rings the nest cavity and overlays the upper surface thereof. The nest 104 is provided with a pair of holes which register with pins 106 and 108 and position the nest on an upper link 110 of a chain 112. The upper link 110 generally conforms with the lower plan form of the nest 104 and provides support therefor. An ejector disk 116, which functions to elevate or eject the container from the nest 104 after filling, lidding and sealing, is affixed to a rod 118 which extends through a hole ill, which also functions as a bearing, in the nest 104, through a hole 114 in upper link 110 and through a bearing 120 in a lower link 122. The ejector disk 116 engages the bottom 3$ of the nest 104 to limit downward travel,, The lower end of the rod 118 extends below the lower -7link a distance sufficient to permit a container to be removed from the nest 104, when the rod is cammed or otherwise moved upward, The pins 106 and 108 extend through the upper link 110, a conventional chain link 124 and the lower link 122 and pivotally connect the upper and lower links to the conventional chain links on each side thereof, The pins 106 and 108 are of equal length and also extend below the lower link. Rollers 126 and 128 are identical and arG rotatably mounted by bearings 134 on the ends of the pins 106 and 108 respectively; the bearing on roller 126 being on the upper side thereof and the bearing on roller 128 being on the lower side so that the rollers 126 and 128 overlap but do not touch each other. A pair of parallel guide tracks 130 and 132 are positioned Dn both the entrance and exit side of the filler 10; the inner track 132 being tangent to the pitch circle of the sprocket 12. The tracks 130 and 132 are positioned a distance apart just slightly greater than the diameter of the rollers 126 and I28 The rollers hold the chain relatlvoly rigid but permit the link 124 to take a slightly angled position relative to the tracks. The tracks terminate adjacent the sprocket and the small "slack" in the chain as the sprocket teeth engage the conventional links permits a smoothp i.e, without chordal action, entrance to and exit from the filler and well as other stations required in the process of making a complete package. High speed processing without spillage is. therefore, possibla because the changes in direction are not as abrupt, ie. velocity changes occur over a greater time and acceleration forces are, therefere, lower, The sprocket 12 is shown in Figures 6 and I and comprises a plurality of seetor 140 bolted to 8 a main support hub 142 for ease and lower cost of manufacture, Each sector is provided with teeth 144 which are engageable with the conventional chain links 124, The chain links 124 transmit the torque to the sprocket 12 through the teeth 144 to cause rotation of the filler 10, The teeth 144 are separated by a cantilevered beam 146 which is bifurcated to accept the ejector rod 118 without interference, The beam 146 has a thickness greatet than that of the teeth 144 so that the beam will engage and provide support for the upper link 110 and the nest 104, The advantage of the beam 146 is that it can provide the total support for the nest and its container and that support can be provided without the need for stationary support rails, The only sliding contact en-,ountered is between the upper link 110 and the beam 146 during entry to and exit from the sprocket 12, which is relatively slight, Drip protection disks 150 and 152 are respectively provided on the entrance and exit sides of the filler 10, The purpose of these disks is to keep drips from falling on the seal lips of the containers. Since these two disks are similar, a detailed description of one will suffice for an understanding of both, As shown in Figure 3, the disk 150 engages a groove 14 in a drive ring 152 attached to and rotating with the ring moun: 22.
The groovo 154 not only provides a force to cause rotation of the dick 150 but also providos vortical support for the dick 150. A grooved roller 155, ac seen in Figure 1, is rtatably mounted on a fixed arm 156 rigidly supported from the base 18 of the filler 10. The disk 150 is held in place against t1h grooved roller 155 and tho groove 154 of drIve ring 152 by a grooved roller 158 rotatably mountod 9on one arm of a bell crank 160 pivoted from the base 18, A tension spring 162 acting on the other arm of the bell crank 160 urges the roller 158 against the disk 150 and hence the disk against drive ring 152 and the roller 155, The groove 154 and the rollers 155 and 158 lie in an essentially horizontal plane so that the disk 150 is supported and rotates in a horlzonta: plane above the nests 104 anid below the gate 60, Any drips from above fall onto the dick 150 as the chain moves the nests 104 and their individual containers into the filler In order to prevent drips from the disk 150 onto the containers, a wiper arm 164 is rotatably pinned to the center of the disk 150 and slidably engages the top thereof, The outer end of the ad 0 wiper arm 164 engages a pin 166 on the fixed arm 156 and prevents the wiper arm 164 from rotating with the disk 150, The leading edge 168 of the wiper arm 164, i.e. the Left edge as viewed in 6 A 020 Figure 1 because Tche disk 150 rotates in a direction, as indicated by the arrow, opposite to the fillero direct3 any material, liquid or solid, toward the outer edge of the disk 150 because the leading edge .zi angled toward the central radius of the arm 164, The outer end of the arm has a pickup opening 170 positioned adjacent the edge of disk 150 and connected to a. vacuumn line 172. Thus, any material that would otherwise fall onto the container seal lip as the containers are conveyed to the filler will be caught by the disk 150 and the wiper arm 164 will cause that material to be urged outward to the dick edge as the disk 150 is rotated where it will be sucked up by the vacuum at the pickup opening 170 on the wiper arm, The dick 152 will perform the same function in the same manner at the containers are conveyed away fromr the filler 10 It can be seem that the present invention provides a means for keeping the seal lip of the container free from contamination, which includes a protection disk with a wiper arm and vacuum pickup, a sprocket and chain which provides a stable support for the container, a chain and track arrangement which minimizes acceleration forces, and thus reduces spillage, and a gate retainer which keeps a tight seal between the measuring cup 10 and the gate, while making removal and replacement S,*,easy and quick.
j While one embodiment of the present invention has been illustrated and described herein, it is to j be understood that various changes may be made 15 therein without departing from the spirit of the invention as defined by the scope of the appended claims, The claims form part of the disclosure of this specification.
it .L i i
Claims (7)
1. A sprocket for use with a chain having conventional chaiai links separated by elongated links capable of supporting containers, wherein the sprocket comprises: a plurality of teeth positioned around the periphery of said sprocket to drivingly engage said conventional links; and a plurality of cantilovered beama means formed on said sprocket and positioned between said plurality of tqeth to supportingly engage said elongated links, each of said plurality of beam means Laiving a thickness greater than that of each of sald plurality of teeth and having periphery extending radially outx-wardly of said periphery of said sprocket, to provide a cantilevered supported load bearing surface for said elongated links.
2. The sprocket according to claim I in com~bination with a grovity filler having at least one measured cup for depositing material theref rom in succession into individual containers, each of which having a, sealing lip said containers carried in respective nests by said elongated links; said plurality of beam -means spaced evenly between said plurality of teeth and providing said cantilevered supported load bearing surface for saiid nests and containers as said conventional linkcs traverse said killer by drivingly engaging ones of said plurality of tooth on ps22/3660fmc rea 91. 11 is YA t it 4 4 49 4 44 4 I I 4*4*4 20 444444 12 said sprocket to rotate said filler; a shield disk means rotatably mounted on said filler and driven by rotation of said filler and positioned over at least one of the entrance and exit of said conventional links to said ones of said plurality of teeth on said sprocket to preclude drips from said filler from falling on said sealing lips; a wiper arm pinned at its inner end to the centre of said disk and having its outer end fixed from rotation; a vacuum block formed on the outer end of said arm; said wiper arm engaging the upper surface of said disk means to urge material dripped onto said disk means toward said vacuum block; a gate attached to and rotatable with said filler and swingable between open and closed positions below said measuring cup; and bias means engaging said gate to urge said gate into tight engagement with said measuring cup.
3. The combination according to claim 2, wherein said elongated links carry an injector pin and said beam means are bifurcated to accommodate said ejector pin.
4. The combination according to claim 2, wherein the rotatable mounting of said disk means comprises: a grooved drive ring attached to filler and drivingly engaging said disk means; and a pin of grooved idler rollers, each of which is positioned more than 90 degrees from the point of contact ps22/3560fmc.res 91 11 18 13,v Y l IIX-li^l.l~-l ~l l i ii iYli I 1.: S 13 between said drive ring and said disk means, engaging said disk means to provide support for said disk means.
The combination according to claim 4, wherein one of said idler rollers is pivotally mounted on an arm and bias means urges said one idler roller toward said disk means.
6. A sprocket for use with a chain having conventional chain links separated by elongated links capable of supporting containers substantially as hereinbefore described with reference to the accompanying drawings.
7. A sprocket in combination with a gravity filler, as defined in claim 2 and substantially as hereinbefore described with reference to the accompanying drawings. DATED this 18 November 1991 CARTER SMITH BEADLE Fellows Institute of Patent Attorneys of Australia Patent Attorneys for the Applicant: FMC CORPORATION 0 0 i V 0 0 1r~ ps22/356Ofmc.res 91 11 18 M 13 I _e r L~
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US22245688A | 1988-07-21 | 1988-07-21 | |
US222456 | 1988-07-21 |
Publications (2)
Publication Number | Publication Date |
---|---|
AU3638189A AU3638189A (en) | 1990-01-25 |
AU619855B2 true AU619855B2 (en) | 1992-02-06 |
Family
ID=22832284
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AU36381/89A Ceased AU619855B2 (en) | 1988-07-21 | 1989-06-14 | Filling machinery |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP0351594A3 (en) |
JP (1) | JPH0285101A (en) |
AU (1) | AU619855B2 (en) |
BR (1) | BR8903599A (en) |
DK (1) | DK359489A (en) |
NZ (1) | NZ229155A (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5809742A (en) * | 1997-03-04 | 1998-09-22 | Toyo Seikan Kaisha, Ltd. | Capping apparatus |
FR2802176B1 (en) * | 1999-12-09 | 2002-01-18 | Ducros | METHOD AND DEVICE FOR PACKAGING A SOLID, IN PARTICULAR FOOD, IN A CONTAINER SUCH AS A BOTTLE |
CN102358440B (en) * | 2011-06-23 | 2013-04-17 | 浙江省农业科学院 | Turntable inclined scratching type photoelectric automatic particle counter |
CN114104354B (en) * | 2021-12-08 | 2023-04-25 | 武汉轻工大学 | Dust leakage prevention boxing and filling device |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2888962A (en) * | 1957-01-23 | 1959-06-02 | Arece L Anderson | Can-filling machines |
GB951598A (en) * | 1959-11-12 | 1964-03-04 | Ecko Alcoa Containers Inc | Improvements in or relating to apparatus for filling and sealing containers |
US3786614A (en) * | 1972-02-15 | 1974-01-22 | Koehring Co | Container filling and capping apparatus |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE542486C (en) * | 1932-01-25 | Ganzhorn & Stirn | Conveyor device for filling machines u. like | |
US2358292A (en) * | 1941-09-15 | 1944-09-12 | Redington Co F B | Conveyer |
FR1220974A (en) * | 1958-01-15 | 1960-05-30 | Fmc Corp | Machine for filling cardboard boxes intended in particular for food products |
GB855290A (en) * | 1958-03-21 | 1960-11-30 | Mather & Platt Ltd | Improvements relating to machines for filling containers with fluids |
-
1989
- 1989-05-17 NZ NZ22915589A patent/NZ229155A/en unknown
- 1989-06-14 AU AU36381/89A patent/AU619855B2/en not_active Ceased
- 1989-06-26 EP EP89111602A patent/EP0351594A3/en not_active Withdrawn
- 1989-06-30 JP JP16970289A patent/JPH0285101A/en active Pending
- 1989-07-20 BR BR8903599A patent/BR8903599A/en unknown
- 1989-07-20 DK DK359489A patent/DK359489A/en not_active Application Discontinuation
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2888962A (en) * | 1957-01-23 | 1959-06-02 | Arece L Anderson | Can-filling machines |
GB951598A (en) * | 1959-11-12 | 1964-03-04 | Ecko Alcoa Containers Inc | Improvements in or relating to apparatus for filling and sealing containers |
US3786614A (en) * | 1972-02-15 | 1974-01-22 | Koehring Co | Container filling and capping apparatus |
Also Published As
Publication number | Publication date |
---|---|
BR8903599A (en) | 1990-03-13 |
EP0351594A2 (en) | 1990-01-24 |
DK359489A (en) | 1990-01-22 |
NZ229155A (en) | 1991-10-25 |
JPH0285101A (en) | 1990-03-26 |
DK359489D0 (en) | 1989-07-20 |
EP0351594A3 (en) | 1990-08-22 |
AU3638189A (en) | 1990-01-25 |
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