CN102398695A - Film tensioning device for packaging equipment - Google Patents
Film tensioning device for packaging equipment Download PDFInfo
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- CN102398695A CN102398695A CN2011101316101A CN201110131610A CN102398695A CN 102398695 A CN102398695 A CN 102398695A CN 2011101316101 A CN2011101316101 A CN 2011101316101A CN 201110131610 A CN201110131610 A CN 201110131610A CN 102398695 A CN102398695 A CN 102398695A
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- film
- tensioning
- supports
- packaging
- shaft
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Abstract
The invention discloses a film tensioning device for packaging equipment, which is arranged in the film rolling and delivering system of the packaging equipment, and comprises two supports relatively arranged; the two supports are fixedly connected through a stationary shaft; the relative surfaces of the two supports are respectively provided with a sliding locking slot; the interiors of the two sliding locking slots are respectively provided with a tensioning spring; one ends of the tensioning springs are fixedly connected with one sides of the sliding locking slots, which are near the stationary shaft; the other ends of the tensioning springs are respectively and fixedly connected with a locating sleeve; the locating sleeves are glidingly matched with the sliding locking slots which correspond to the locating sleeves; the locating sleeves respectively arranged on the two supports are connected through a tensioning shaft; and the locating sleeves are driven by the tensioning springs to slide, thereby, the tensioning shaft is driven to slide along the sliding locking slots. The film tensioning device disclosed by the invention is capable of ensuring a packaging film to be kept in a tensioning state when film-pressing packaging is performed and improving the packaging efficiency, and has a simple structure.
Description
Technical field
The invention belongs to the package packing machine field, relate in particular to a kind of film tightening device that is used for packaging facilities.
Background technology
Controlled atmospheric packing is with the air in the atmosphere gas displacement packing container that is fit to food fresh keeping, to suppress bacterial reproduction, reaches long preservation and fresh-keeping a kind of manner of packing.Common controlled atmospheric packing equipment; Like the described controlled atmospheric packing equipment of patent CN 2617686Y; Comprise pressing mold and counterdie, counterdie is provided with the lower mode cavity that opening makes progress, and packing box is sent into and carried out controlled atmospheric packing in the lower mode cavity; With cutting membrane knife unnecessary film around the box mouth is cut away after the last packaging by hot pressing, to accomplish the encapsulation of packing box.But pressing mold and cutting membrane knife can make packing film produce tension force when pressing down; The tension force of packing film disappeared after pressing mold and cutting membrane knife resetted; So just caused to make when putting film device and receiving the packaging film between the film device pine when tight, and normal press mold packing needs packaging film to remain tensioning state.
Summary of the invention
Defective in view of above-mentioned prior art exists the objective of the invention is to propose a kind of film tightening device that is used for packaging facilities.
The object of the invention will be achieved through following technical scheme:
A kind of film tightening device that is used for packaging facilities is arranged in the volume film feeding system of said packaging facilities, comprises two supports that are oppositely arranged, and passes through an anchor shaft captive joint between said two supports; Respectively offer the slip draw-in groove on the apparent surface of said two supports respectively; Be provided with tensioning spring respectively in said two slip draw-in grooves, an end of said tensioning spring is captiveed joint near a side of anchor shaft with the slip draw-in groove, and each captives joint the other end with a locating bush; Its corresponding slip draw-in groove of said locating bush slides and connects; Said being separately positioned between two locating bushs on the support connects through a tensioning shaft, and said tensioning spring drives said locating bush and slides, and slides along said slip draw-in groove thereby drive said tensioning shaft.
Preferably, the above-mentioned film tightening device that is used for packaging facilities, wherein: said volume film feeding system comprises film feeding axis and film-receiving axis, and said film tightening device is positioned at the position near film feeding axis.
Packaging film remained tensioning state when film tightening device of the present invention can guarantee the press mold packing, had improved packaging efficiency, and is simple in structure.
Following constipation closes the embodiment accompanying drawing, and specific embodiments of the invention is done further to detail, so that technical scheme of the present invention is easier to understand, grasp.
Description of drawings
Fig. 1 is the structural representation of the embodiment of the invention;
Fig. 2 is the structural representation of the film tightening device of the embodiment of the invention.
The specific embodiment
Embodiment
A kind of film tightening device that is used for packaging facilities of present embodiment, as depicted in figs. 1 and 2, be arranged in the volume film feeding system of packaging facilities, volume film feeding system comprises film feeding axis 1 and film-receiving axis 2, film tightening device 3 is positioned at the position near film feeding axis 1.Film tightening device 3 comprises between two supports 41 being oppositely arranged and 42, two supports 41 and 42 through an anchor shaft 5 captive joints, offers slip draw-in groove 61 and 62 respectively on two supports 41 and 42 the apparent surface; Be respectively equipped with tensioning spring 71 and 72 in two slip draw-in grooves 61 and 62, tensioning spring 71 is captiveed joint near a side of anchor shaft 5 with 62 with slip draw-in groove 61 respectively with an end of 72, and the other end is captiveed joint with 82 with locating bush 81; Locating bush 81 and 82 its corresponding slip draw-in grooves 61 and 62 slide and connect; Connect through a tensioning shaft 9 between two locating bushs 81 and 82, tensioning spring 71 and 72 drives locating bushs 81 and slides with 82, thereby drive tensioning shaft 9 is along slip draw-in groove 61 and 62 slips.
Use the film tightening device of present embodiment, when upper die and lower die carry out heat seal and cut the film action, film feeding axis 1 automatic compensation film, this moment, tensioning shaft 9 moved to the direction of anchor shaft 5 under the effect of tensioning spring 71 and 72, thereby guaranteed the natural tensioning of film; When upper die and lower die separate; Tensioning shaft 9 moves to the direction away from anchor shaft 5 under the effect of tensioning spring 71 and 72; But film in tension still under the effect of tensioning shaft 9, this moment, film-receiving axis 2 began to receive film, guaranteed next action cephacoria in tension.
Packaging film remained tensioning state when present embodiment can guarantee the press mold packing, had improved packaging quality, and is simple in structure.
The present invention still has numerous embodiments, and all employing equivalents or equivalent transformation and all technical schemes of forming all drop within protection scope of the present invention.
Claims (2)
1. a film tightening device that is used for packaging facilities is arranged in the volume film feeding system of said packaging facilities, it is characterized in that:
Comprise two supports that are oppositely arranged, pass through an anchor shaft captive joint between said two supports;
Respectively offer the slip draw-in groove on the apparent surface of said two supports respectively;
Be provided with tensioning spring respectively in said two slip draw-in grooves, an end of said tensioning spring is captiveed joint near a side of anchor shaft with the slip draw-in groove, and each captives joint the other end with a locating bush;
Its corresponding slip draw-in groove of said locating bush slides and connects;
Connect through a tensioning shaft between said two locating bushs that are separately positioned on two supports, said tensioning spring drives said locating bush and slides, and slides along said slip draw-in groove thereby drive said tensioning shaft.
2. the film tightening device that is used for packaging facilities according to claim 1 is characterized in that: said volume film feeding system comprises film feeding axis and film-receiving axis, and said film tightening device is positioned at the position near film feeding axis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101316101A CN102398695A (en) | 2011-05-20 | 2011-05-20 | Film tensioning device for packaging equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101316101A CN102398695A (en) | 2011-05-20 | 2011-05-20 | Film tensioning device for packaging equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102398695A true CN102398695A (en) | 2012-04-04 |
Family
ID=45881443
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011101316101A Pending CN102398695A (en) | 2011-05-20 | 2011-05-20 | Film tensioning device for packaging equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102398695A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103224059A (en) * | 2013-04-03 | 2013-07-31 | 苏州亚和保鲜科技有限公司 | Film pressing device of modified atmosphere packing machine |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2517713Y (en) * | 2002-01-18 | 2002-10-23 | 周振培 | Auto tensioner of paper products prodn. line |
| CN2626866Y (en) * | 2003-04-15 | 2004-07-21 | 常德烟机配件经销服务有限责任公司 | Uniform tension conveying device for film |
| CN200981655Y (en) * | 2006-08-25 | 2007-11-28 | 广东轻工机械二厂有限公司 | Film supplying mechanism for thermal shrinkage plastic film packaging machine |
| CN101357723A (en) * | 2008-09-12 | 2009-02-04 | 深圳光韵达光电科技有限公司 | Slice tensioning mechanism |
| CN202107110U (en) * | 2011-05-20 | 2012-01-11 | 苏州工业园区德森包装机械有限公司 | Film tensioner for packing equipment |
-
2011
- 2011-05-20 CN CN2011101316101A patent/CN102398695A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2517713Y (en) * | 2002-01-18 | 2002-10-23 | 周振培 | Auto tensioner of paper products prodn. line |
| CN2626866Y (en) * | 2003-04-15 | 2004-07-21 | 常德烟机配件经销服务有限责任公司 | Uniform tension conveying device for film |
| CN200981655Y (en) * | 2006-08-25 | 2007-11-28 | 广东轻工机械二厂有限公司 | Film supplying mechanism for thermal shrinkage plastic film packaging machine |
| CN101357723A (en) * | 2008-09-12 | 2009-02-04 | 深圳光韵达光电科技有限公司 | Slice tensioning mechanism |
| CN202107110U (en) * | 2011-05-20 | 2012-01-11 | 苏州工业园区德森包装机械有限公司 | Film tensioner for packing equipment |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103224059A (en) * | 2013-04-03 | 2013-07-31 | 苏州亚和保鲜科技有限公司 | Film pressing device of modified atmosphere packing machine |
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Application publication date: 20120404 |