Machine and method for packaging a plurality of cylindrical articles
阅读：140发布：2023-04-03
专利汇可以提供Machine and method for packaging a plurality of cylindrical articles专利检索，专利查询，专利分析的服务。并且A machine and method for packaging cylindrical articles in multiples of two, preferably a single pair, in which the articles are delivered by an infeed conveyor section to a banding section which contains a banding drum. A length of heat shrinkable plastic film is cut and placed on the banding drum whereupon the articles are picked up in pairs and deposited on the cut film blank at a radially movable platform mounted in the banding drum. The free ends of the film are folded partially around the articles by a pair of tucker arms coacting with the platform. As the drum rotates, a vacuum lift arm and a wing section coact to lap the ends of the cut film blank which then encircles the articles. A reciprocating heat sealer movable tangentially to the banding drum engages the lapped end portions of the film to form a seal and an encircling band around the articles. The banded articles are then deposited on a conveyor which moves them to heat shrink section in which the large upper and lower areas as well as selected side portions of the banded articles are shielded as they are moved through a heat shrink tunnel. This causes the extended sides of the band to shrink down against the end surfaces of the articles while simultaneously making the band snug around the articles. The banded articles are then delivered to an end panel cutting and sealing section at which suitable end panels are die cut and heat sealed to at least one and preferably both ends of the banded articles in order to complete the formation of the package.，下面是Machine and method for packaging a plurality of cylindrical articles专利的具体信息内容。
1. An apparatus for packaging a plurality of cylindrical articles comprising infeed conveyor means for delivering said articles to a banding section, said infeed conveyor means including a pair of oppositely disposed clamping jaws, means for moving said jaws into engagement with the articles being forwarded on said infeed conveyor means, and means for simultaneously raising said jaws and the clamped articles to raise the latter from the infeed conveyor means to temporarily withhold feeding of articles to said banding section, said banding section including a banding drum, means for rotating said banding drum, means at said banding section for cutting a length of wrapping film and interposing said film between said drum and said articles, means for wrapping said film around said articles to form a band having lapped ends with protruding side edges, means for sealing said lapped ends to complete the band around said articles, means for conveying said banded articles through a heat shrink section to shrink said protruding side edges against the flat end faces of the articles, means for conveying said banded packages to an end panel cutting and sealing section, and means at said last mentioned section for cutting at last one end panel and sealing it to the shrunken protruding ends of the band at the end faces of the articles.
2. An apparatus as claimed in claim 1 wherein said banding drum includes a radially movable platform, said length of wrapping film being placed to extend over said platform, a pair of tucker bars pivoted to said banding drum and moved in response to the radial movement of said platform such that radial inward movement of said platform causes said tucker bars to hold said articles on said drum while simultaneously partially wrapping said film therearound.
3. An apparatus as claimed in claim 1 wherein said heat shrink section includes a conveyor having protective plates for receiving and shielding the lower portion of said banded articles, a protective belt having protective plates for engaging and shielding the upper portion of said banded articles, said protective plates covering the major side surfaces of the bands surroundiNg said articles such that shrinkage of said band is confined to the rounded protruding ends thereof.
4. An apparatus as claimed in claim 1 wherein said end panel cutting and sealing section includes an indexing drum, a plurality of spaced vacuum shoes on the periphery of said drum, a cutting station, means for feeding a wrapping film to said cutting station, means for cutting an end panel at said cutting station, said cut end panel being held by a vacuum shoe as said indexing drum is turned to deliver said panel to a sealing station, said sealing station including a heat sealer, means for moving said banded package into end panel receiving position at said sealing station, said end panel being heat sealed to the end of said banded package by said heat sealer at said sealing station.
5. An apparatus for packaging a plurality of cylindrical articles comprising infeed conveyor means for delivering said articles to a banding section, said banding section including a banding drum and means for cutting a length of wrapping film and interposing said film between said banding drum and said articles, means for rotating said banding drum, said banding drum including a radially movable platform, said length of wrapping film being placed to extend over said platform, a pair of tucker bars pivoted to said banding drum and moved in response to the radial movement of said platform such that radial inward movement of said platform causes said tucker bars to hold said articles on said drum while simultaneously partially wrapping said film therearound, means for wrapping said film around said articles to form a band having lapped ends with protruding side edges, means for sealing said lapped ends to complete the band around said articles, means for conveying said banded articles through a heat shrink section to shrink said protruding side edges against the flat end faces of the articles, means for conveying said banded packages to an end panel cutting and sealing section, and means at said last mentioned section for cutting at least one end panel and sealing it to the shrunken protruding ends of the band at the end faces of the articles.
6. An apparatus as claimed in claim 5 wherein said heat shrink section includes a conveyor having protective plates for receiving and shielding the lower portion of said banded articles, a protective belt having protective plates for engaging and shielding the upper portion of said banded articles, said protective plates covering the major side surfaces of the bands surrounding said articles such that shrinkage of said band is confined to the rounded protruding ends thereof.
7. An apparatus as claimed in claim 5 wherein said end panel cutting and sealing section includes an indexing drum, a plurality of spaced vacuum shoes on the periphery of said drum, a cutting station, means for feeding a wrapping film to said cutting station, means for cutting an end panel at said cutting station, said cut end panel being held by a vacuum shoe as said indexing drum is turned to deliver said panel to a sealing station, said sealing station including a heat sealer, means for moving said banded package into end panel receiving position at said sealing station, said end panel being heat sealed to the end of said banded package by said heat sealer at said sealing station.
8. An apparatus for packaging a plurality of cylindrical articles comprising infeed conveyor means for delivering said articles to a banding section, said banding section including a banding drum, means for rotating said banding drum, means at said banding section for cutting a length of wrapping film and interposing said film between said drum and said articles, means for wrapping said film around said articles to form a band having lapped ends with protruding side edges, means for sealing said lapped ends to complete the band around said articles, means for conveying said banded articles through a heat shrink section to shrink said protruding side edges against the flat end faces of the artiCles, said heat shrink section including a conveyor having protective plates for receiving and shielding the lower portion of said banded articles, a protective belt having protective plates for engaging and shielding the upper portion of said banded articles, said protective plates covering the major side surfaces of the bands surrounding said articles such that shrinkage of said band is confined to the rounded protruding ends thereof, means for conveying said banded packages to an end panel cutting and sealing section, and means at said last mentioned section for cutting at least one end panel and sealing it to the shrunken protruding ends of the band at the end faces of the articles.
9. An apparatus as claimed in claim 8 wherein said end panel cutting and sealing section includes an indexing drum, a plurality of spaced vacuum shoes on the periphery of said drum, a cutting station, means for feeding a wrapping film to said cutting station, means for cutting an end panel at said cutting station, said cut end panel being held by a vacuum shoe as said indexing drum is turned to deliver said panel to a sealing station, said sealing station including a heat sealer, means for moving said banded package into end panel receiving position at said sealing station, said end panel being heat sealed to the end of said banded package by said heat sealer at said sealing station.
10. An apparatus as claimed in claim 2 wherein said heat shrink section includes a conveyor having protective plates for receiving and shielding the lower portion of said banded articles, a protective belt having protective plates for engaging and shielding the upper portion of said banded articles, said protective plates covering the major side surfaces of the bands surrounding said articles such that shrinkage of said band is confined to the rounded protruding ends thereof.
11. An apparatus as claimed in claim 2 wherein said end panel cutting and sealing section includes an indexing drum, a plurality of spaced vacuum shoes on the periphery of said drum, a cutting station, means for feeding a wrapping film to said cutting station, means for cutting an end panel at said cutting station, said cut end panel being held by a vacuum shoe as said indexing drum is turned to deliver said panel to a sealing station, said sealing station including a heat sealer, means for moving said banded package into end panel receiving position at said sealing station, said end panel being heat sealed to the end of said banded package by said heat sealer at said sealing station.
12. An apparatus as claimed in claim 6 wherein said end panel cutting and sealing section includes an indexing drum, a plurality of spaced vacuum shoes on the periphery of said drum, a cutting station, means for feeding a wrapping film to said cutting station, means for cutting an end panel at said cutting station, said cut end panel being held by a vacuum shoe as said indexing drum is turned to deliver said panel to a sealing station, said sealing station including a heat sealer, means for moving said banded package into end panel receiving position at said sealing station, said end panel being heat sealed to the end of said banded package by said heat sealer at said sealing station.
13. An apparatus as claimed in claim 10 wherein said end panel cutting and sealing section includes an indexing drum a plurality of spaced vacuum shoes on the periphery of said drum, a cutting station, means for feeding a wrapping film to said cutting station, means for cutting an end panel at said cutting station, said cut end panel being held by a vacuum shoe as said indexing drum is turned to deliver said panel to a sealing station, said sealing station including a heat sealer, means for moving said banded package into end panel receiving position at said sealing station, said end panel being heat sealed to the end of said banded package by said heat sealer at said sealing station.
14. An apparatus for packaging a plurality of cylindrical articles comprising a banding drum, means for rotating said banding drum, a dead plate for receiving and supporting the articles over the banding drum, vacuum means for picking up said articles from said dead plate and placing them in position on said banding drum, means for retracting said dead plate after said articles are picked up by said vacuum means, means for receiving articles from said vacuum means and means for retaining them on said banding drum, means for cutting a length of wrapping film and interposing said film between said drum and said articles prior to the deposition of said articles on said drum, means associated with said drum for wrapping said film around said articles to form a band having lapped ends, means for sealing said lapped ends to complete the band around said articles.
15. An apparatus for packaging a plurality of cylindrical articles comprising a banding drum, means for rotating said banding drum, means for receiving and retaining articles on said banding drum, said last mentioned means including a radially movable platform, means for cutting a length of wrapping film and interposing said film between said drum and said articles, said length of wrapping film being placed to extend over said platform, a pair of tucker bars pivoted to said banding drum and moved in response to the radial movement of said platform such that radial inward movement of said platform causes said tucker bars to hold said articles on said drum while simultaneously partially wrapping said film therearound, means associated with said drum for wrapping said film around said articles to form a band having lapped ends, means for sealing said lapped ends to complete the band around said articles.
16. An apparatus as claimed in claim 15 including a dead plate for receiving the articles over the banding drum, vacuum means for picking up said articles from said dead plate and placing them in position on said banding drum.
17. An apparatus as claimed in claim 16 including means for retracting said dead plate after said articles are picked up by said vacuum means.
18. An apparatus as claimed in claim 16 wherein said vacuum means includes a plurality of vacuum cups supported by at least one carriage arm and means for oscillating said carriage arm from its picking up position to its position of placing said articles on said banding drum.
19. An apparatus for packaging a plurality of cylindrical articles comprising a banding drum, means for rotating said banding drum, a dead plate for receiving and supporting the articles over the banding drum, vacuum means for picking up said articles from said dead plate and placing them in position on said banding drum, means for retracting said dead plate after said articles are picked up by said vacuum means, means for receiving articles from said vacuum means and means for retaining them on said banding drum, said vacuum means including a plurality of vacuum cups supported by at least one carriage arm and means for oscillating said carriage arm from its picking up position to its position of placing said articles on said banding drum, means for cutting a length of wrapping film and interposing said film between said drum and said articles prior to the deposition of said articles on said drum, means associated with said drum for wrapping said film around said articles to form a band having lapped ends, means for sealing said lapped ends to complete the band around said articles.
20. An apparatus as claimed in claim 19 wherein said banding drum includes a radially movable platform, said length of wrapping film being placed to extend over said platform, a pair of tucker bars pivoted to said banding drum and moved in response to the radial movement of said platform such that radial inward movement of said platform causes said tucker bars to hold said articles on said drum while simultaneously partially wrapping said film therearound.
21. A method for packaging a plurality of cylindrical articles comprising the steps of delivering a group oF cylindrical articles into position over a continuously rotating banding drum for subsequent delivery thereto for wrapping, placing a length of wrapping film into wrapping position on said banding drum, picking up said delivered articles over said banding drum and accelerating them into approximate matched angular speed with the periphery of said banding drum, depositing said group of articles on said wrapping film, wrapping said length of wrapping film around said articles to form a band having lapped ends with protruding side edges, sealing said lapped ends to complete the band around said articles, shrinking said protruding edges of said band against the flat end faces of said articles, and cutting at least one end panel and sealing it to the shrunken protruding ends of the end faces of the articles
22. A method as claimed in claim 21 including the step of shielding the upper and lower portions of said banded articles prior to shrinking so that the shrinkage of said band is confined to the protruding edges thereof.
23. An apparatus for packaging a plurality of cylindrical articles comprising infeed conveyor means for delivering said articles to a banding section, said banding section including a banding drum, means for rotating said banding drum, means at said banding section for cutting a length of wrapping film and interposing said film between said drum and said articles, means for wrapping said film around said articles to form a band having lapped ends with protruding side edges, means for sealing said lapped ends to complete the band around said articles, means for conveying said banded articles through a heat shrink section to shrink said protruding side edges against the flat end faces of the articles, means for conveying said banded packages to an end panel cutting and sealing section, means at said last mentioned section for cutting at least one end panel and sealing it to the shrunken protruding ends of the band at the end faces of the articles, said end panel cutting and sealing section including an indexing drum, a plurality of spaced vacuum shoes on the periphery of said drum, a cutting station, means for feeding a wrapping film to said cutting station, means for cutting an end panel at said cutting station, said cut end panel being held by a vacuum shoe as said indexing drum is turned to deliver said panel to a sealing station, said sealing station including a heat sealer, means for moving said banded package into end panel receiving position at said sealing station, said end panel being heat sealed to the end of said banded package by said heat sealer at said sealing station.
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