EP1068131A1 - Two-head closing machine - Google Patents
Two-head closing machineInfo
- Publication number
- EP1068131A1 EP1068131A1 EP99917916A EP99917916A EP1068131A1 EP 1068131 A1 EP1068131 A1 EP 1068131A1 EP 99917916 A EP99917916 A EP 99917916A EP 99917916 A EP99917916 A EP 99917916A EP 1068131 A1 EP1068131 A1 EP 1068131A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- sealing
- head
- cans
- capping
- distance
- 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.)
- Granted
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
- B65B7/00—Closing containers or receptacles after filling
- B65B7/16—Closing semi-rigid or rigid containers or receptacles not deformed by, or not taking-up shape of, contents, e.g. boxes or cartons
- B65B7/28—Closing semi-rigid or rigid containers or receptacles not deformed by, or not taking-up shape of, contents, e.g. boxes or cartons by applying separate preformed closures, e.g. lids, covers
- B65B7/2842—Securing closures on containers
- B65B7/285—Securing closures on containers by deformation of the closure
- B65B7/2857—Securing closures on containers by deformation of the closure and the container rim
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D51/00—Making hollow objects
- B21D51/16—Making hollow objects characterised by the use of the objects
- B21D51/26—Making hollow objects characterised by the use of the objects cans or tins; Closing same in a permanent manner
- B21D51/30—Folding the circumferential seam
- B21D51/32—Folding the circumferential seam by rolling
Definitions
- the present invention relates to a device for closing non-circular or else round can bodies with corresponding lids, preferably with the formation of a double fold.
- Non-round, but also round cans can be closed in rotating multi-head sealing machines, in particular closed with a double fold.
- Each "head" of such a capping machine is its own capping station, the capping rollers of which can fold open the lid of a can, which is preferably already clipped on, during the distance that the station travels from picking up the can to its release.
- the capping heads or stations are arranged so as to be rotatable around a central axis of rotation, which is usually designed as a column or the like.
- sealing machines for round cans these cans usually have a large number of heads, e.g. 4 to 6 heads.
- very large round boxes should be closed, e.g. large cans for sauerkraut, e.g. for the catering trade, a sealing machine with only two heads would also be advantageous here.
- the object of the present invention is to provide a two-head sealing machine for sealing non-round or round cans, the acceleration path and the accelerations actually achieved not being significantly above that of a three-head machine.
- the two closing stations are not driven (rotated) via a central column as an axis of rotation, but are arranged close to one another.
- the transmission of the drive energy can take place decentrally in any way, preferably via decentrally arranged columns. At least one, preferably two such columns can be provided. They are coupled to the drive via a yoke or the like, which is preferably carried out from above. Rigidly connected to the yoke are furthermore the two closing stations, which are preferably arranged in a hanging manner on a further yoke fastened or integrated at right angles thereto.
- the distance between the columns and the central axis of rotation is selected such that there is sufficient spacing from the closing heads, for example 11 to 18 cm. They are preferably arranged as close as possible to the closing heads, for example at a distance of 3-10 mm, particularly preferably about 5 mm, for easy gripping of the 3
- the measure according to the invention has the consequence that the two closing stations can be arranged very close or close to one another.
- the distance between the stations can be reduced, for example, to approximately 3-10 mm, preferably approximately 5 mm. This reduces the diameter of the circular path that describes the center of each sealing station as it moves about the central axis of rotation, and thus the distance that the can bodies entering the sealing machine must have from one another.
- Figure 2 shows schematically a two-head capping machine, also from above, in which the capping heads were arranged as in a conventional three-head machine, and
- FIG. 3 shows a three-head capping machine according to the prior art, likewise schematically in a view from above,
- Figure 4 shows the schematic arrangement of the device according to the invention from the side in section A-A, and
- FIG. 5 shows the schematic arrangement of the device according to the invention from the side in section B-B
- Figure 6 schematically shows a can with content
- FIG. 7 shows schematically from above the path of the cans into the closing device and the distances which must be maintained between cans entering the device.
- Figure 3 is a schematic representation of one known in the art
- Closing device with the three heads 1, 2 and 3, which are arranged around a central column 7.
- the closing process begins while the head - here head 1 - moves in a circular path about the axis of rotation 100 via the column 7.
- the radius of the circular path on which the center 6 of the closing head 1 moves can be calculated using the following equation:
- d represents the diameter of the capping heads (measured in the area of the greatest radial extent), x the diameter of the rotating column 7 and y the distance between the rotating column 7 and the respective head.
- the size of such an automatic sealing machine can be, for example, the following:
- the diameter of the head d is approximately 260 mm
- the diameter of the rotating column is estimated to be approximately 100 mm
- each sealing head will cover the distance w by half a circular path until the next can in each case can retract the other capping head. Since the radius of the circular path that the center 6 of each capping head 1, 2 again covers is equal to the sum of half the diameter of the head, half the diameter x of the rotating column and the space y between the rotating column and head, the distance between two cans with otherwise the same geometry:
- FIG. 6 shows a filled can on the acceleration path: the liquid level 8 is oriented as a plane at right angles to the effective acceleration 9 (from gravitational acceleration plus acceleration generated by the movement); Liquid can therefore get into the open groove between the lid hook and fuselage hook at high acceleration and possibly even emerge from the can, so that a clean closure is no longer possible.
- the cans When entering the two-head sealing machine according to the invention, the cans can thus be accelerated in the same size range as in the conventional three-head sealing machine. This shortens the
- FIGs 4 and 5 show schematically the arrangement of the closing heads according to the invention from the side, once in section AA and once in section BB.
- FIG. 4 also the table 8 indicated in FIG. 5 (“quill table”).
- the arrangement of the columns 7 can be seen, which in FIG. 5 lie one behind the other on the viewer axis, while in FIG. 4 they are partially hidden by the front of the two closure heads in a symmetrical position to the axis of rotation.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sealing Of Jars (AREA)
Abstract
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19814134A DE19814134A1 (en) | 1998-03-30 | 1998-03-30 | Two-head capping machine |
DE19814134 | 1998-03-30 | ||
PCT/EP1999/002172 WO1999050146A1 (en) | 1998-03-30 | 1999-03-30 | Two-head closing machine |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1068131A1 true EP1068131A1 (en) | 2001-01-17 |
EP1068131B1 EP1068131B1 (en) | 2002-06-19 |
Family
ID=7862937
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP99917916A Expired - Lifetime EP1068131B1 (en) | 1998-03-30 | 1999-03-30 | Two-head closing machine |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP1068131B1 (en) |
DE (2) | DE19814134A1 (en) |
WO (1) | WO1999050146A1 (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8789721B2 (en) * | 2005-05-17 | 2014-07-29 | Toyo Seikan Kaisha, Ltd. | Square can and method and apparatus for double seaming the same |
CN104174782B (en) * | 2014-08-13 | 2016-02-03 | 舟山市普陀天海适用技术研究所 | A kind of annular seaming device |
CN105292549A (en) * | 2015-10-27 | 2016-02-03 | 无锡太湖阳山水蜜桃科技有限公司 | Automatic can sealing machine |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2518910A (en) * | 1950-08-15 | Kruse |
-
1998
- 1998-03-30 DE DE19814134A patent/DE19814134A1/en not_active Withdrawn
-
1999
- 1999-03-30 EP EP99917916A patent/EP1068131B1/en not_active Expired - Lifetime
- 1999-03-30 DE DE59901804T patent/DE59901804D1/en not_active Expired - Fee Related
- 1999-03-30 WO PCT/EP1999/002172 patent/WO1999050146A1/en active IP Right Grant
Non-Patent Citations (1)
Title |
---|
See references of WO9950146A1 * |
Also Published As
Publication number | Publication date |
---|---|
EP1068131B1 (en) | 2002-06-19 |
DE19814134A1 (en) | 1999-10-07 |
WO1999050146A1 (en) | 1999-10-07 |
DE59901804D1 (en) | 2002-07-25 |
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