CN202703982U - Gas separating and ventilating device for plastic film heat-sealing packaging - Google Patents
Gas separating and ventilating device for plastic film heat-sealing packaging Download PDFInfo
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- CN202703982U CN202703982U CN 201220324874 CN201220324874U CN202703982U CN 202703982 U CN202703982 U CN 202703982U CN 201220324874 CN201220324874 CN 201220324874 CN 201220324874 U CN201220324874 U CN 201220324874U CN 202703982 U CN202703982 U CN 202703982U
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Abstract
The utility model discloses a gas separating and ventilating device for plastic film heat-sealing packaging. The gas separating and ventilating device comprises a gas locating and separating element and a heat-sealing packaging assembly. Based on an existing heat-sealing packaging method, a step of separating airflow is added. The gas locating and separating element is arranged in a way of being closely attached to a packaging line to ensure that a gap does not exist between separating creasing marks formed by the packaging line and the locating and separating element. Gas produced by heating and decomposition of films can only be dissipated from the separating outer surface or the packaging line, so the gas of film fusion decomposition can be effectively prevented from entering a packaging cavity and packaging materials are prevented from secondary pollution. The gas separating and ventilating device can be applied to the heat-sealing packaging of food, medicine, cosmetics and daily supplies.
Description
Technical field
The utility model relates to the packing technique field, and the gas that especially relates to a kind of plastic sheeting heat seal encapsulation cuts off circulation device.
Background technology
At present, the heat seal packaging technology of known various plastic sheetings is widely used in the packing of food, medicine and cosmetics and articles for daily use, can say that everybody has the product that touches the heat seal plastic sealing pack.The crowd knows, it is nonhazardous that a lot of plastic cement products use in the state of cooling, but the gas that when melting, discharges, can be with the toxic composition of being with of various unlike materials.Media have report more, potable water or the beverage of usual plastic bottle packing, if be placed on process Exposure to Sunlight in the car, have the harmful composition that plastic bottle body dilutes out in potable water or the beverage, the direct sunlight time, slightly long plastic bottle water or beverage can not be drunk.Which kind of mode no matter existing plastic sheeting heat seal encapsulation adopt, and it is all so that want the mouth of involution or the plastic sheeting on the face and reach molten and realize the plastic packaging effect.Although the film that plastic packaging is used is harmless to human body, the pernicious gas that produces because of melting when encapsulation can enter in the cavity package, and then is stranded in the article of packaging, causes the secondary pollution to connection with wrapping of piece.If human body is taken in the above-mentioned food that is subjected to little pollution or medicine etc. for a long time, it can become affects the healthy potential safety hazard of people.
Summary of the invention
The utility model is the deficiency that easily packing material is produced secondary pollution in order to overcome existing heat seal packaged type, provides a kind of gas of plastic sheeting heat seal encapsulation to cut off circulation device.
To achieve these goals, the utility model has adopted following technical scheme: a kind of gas of plastic sheeting heat seal encapsulation cuts off circulation device, and it comprises gas location separating element and heat seal package assembling; Described gas location separating element is used for first double-layer films being compressed, thereby film is positioned and cuts off airiness between packing cavity and the packaging line; Described heat seal package assembling is used for double-layer films is carried out Heat Sealing at packaging line or face.Its operation is to be moved by gas location separating element first, is worked by the heat seal package assembling again; After finishing Heat Sealing, the heat seal package assembling resets first, and then gas location separating element resets, thereby finishes encapsulation.The decomposition gas that produces during because of the film melting when encapsulating for fear of heat seal enters in the packing cavity, and the utility model has increased a step that intercepts air-flow on the basis of existing heat seal method for packing.Described gas location separating element can be close to the packaging line setting, thereby can guarantee does not have the space between packaging line and the formed partition impression of location separating element, like this, the gas that film produces when decomposes can only shed from outer surface or the packaging line that cuts off, can effectively avoid the gas of film fusion and decomposition to enter in the packing cavity, avoid packing material to be subject to secondary pollution.
Wherein, described on the basis of existing heat seal method for packing, increased a step that intercepts air-flow, the both sides that are equally applicable to the heat seal packaging line all are the occasions of cavity package, can respectively separating element be set in the both sides of heat seal cutting die and make it be applicable to the Multicarity packing.
Wherein, described on the basis of existing heat seal method for packing, increased the step of one obstruct air-flow, when heat seal encapsulated the cavity package of various shapes, described separating element can be laid thereupon.
Wherein, described on the basis of existing heat seal method for packing, increased a step that intercepts air-flow, on the automatic production line of heat seal encapsulation, also can use easily.
As preferably, described gas location separating element is to adopt the pressurized air alignment thin film to spray and first double-layer films is compressed, thereby film is positioned and cuts off airiness between packing cavity and the packaging line.Pressurized air both can evenly effectively compress film and cut off, and can not produce impression at film surface, also had simultaneously cooling performance, can avoid the packaging line both sides to produce heat transmission, was conducive to the smooth attractive in appearance of packaging line.
As preferably, described gas location separating element also can adopt the form of suction gas to realize.
The beneficial effect that the utility model brings is that the gas that produces when heat seal is encapsulated carries out actv. and cuts off, and avoids the article of packaging to be subject to secondary pollution; Can make the bonding film in packaging line place accelerate cooling curing, can namely guarantee the quality that encapsulates, can enhance productivity again; Its practical applicable surface is extensive, and simple in structure being convenient to implemented.
Description of drawings
Fig. 1 is the structural representation of the utility model embodiment;
Among the figure: 1, heat seal cutting die, 2, separating element, 3, cylinder connection piece, 4, the heat seal station, 5, the plastic packaging film.
The specific embodiment
Below by embodiment, and by reference to the accompanying drawings, the technical solution of the utility model is described in further detail.
Embodiment: a kind of gas of plastic sheeting heat seal encapsulation cuts off circulation device, is used herein to the monomer encapsulation, focuses on that gas is cut off operation does some statement.As shown in Figure 1, comprise heat seal cutting die 1, separating element 2, cylinder connection piece 3, heat seal station 4 and plastic packaging film 5.Be provided with location separating element 2 in a side of heat seal cutting die 1, described separating element 2 is to make one can spray compressed-air actuated wedge shape nozzle, the nozzle of wedge shape is conducive to reduce compressed-air actuated resistance to flow, and the noise when reducing nozzle operation, the spout of nozzle is the slit-shaped of yi word pattern, its width is 0.5mm, nozzle at nozzle is provided with the diversion section that a segment length is 2mm simultaneously, system in an angle between one side of the close heat seal cutting die 1 of nozzle and the side of heat seal cutting die, to avoid nozzle and heat seal cutting die 1 to produce frictional interference, this angle is taken between 2 °-5 °.The control mechanism of Control Nozzle action links to each other with separating element 2 with cylinder connection piece 3, separating element 2 is driven by cylinder and moves up and down, it is reference position when being positioned at the top, be the partition position when moving to the below, during partition position below nozzle moves to, the distance that nozzle leaves film is 0.5-1mm.Shown in the present embodiment is the packing cavity that is made of two-layer plastic packaging film 5 up and down, plastic packaging film 5 is transported on the heat seal station 4, control setup at first control cylinder is displaced downwardly to the nozzle of separating element 2 from plastic packaging film 5 and stops at the 0.5-1mm place, then the control setup Control Nozzle is to plastic packaging film 5 ejection pressurized airs, plastic packaging film 5 is compressed the compacted location of pressure of air, cut off the airiness between heat seal packaging line and the packing cavity, then heat seal cutting die 1 moves down with plastic packaging film 5 and contacts, and heat seal cutting die 1 makes 5 meltings of plastic packaging film and mutually is bonded together.Because being close to heat seal cutting die 1, the nozzle of separating element 2 arranges, therefore, the packaging line that forms at heat seal cutting die 1 between the double-layer films can gappedly not produce near packing cavity one side, and its temperature is lower than the dissociation temperature of film all the time, therefore, film decomposes the gas that produces and is cutting off fully near the compressed air of packing cavity one side when being heated, final from the surface of film or the two ends of packaging line shed, the gas that has produced when having avoided the film melting is stayed in the cavity package; Also be conducive to simultaneously to encapsulate the neat appearance of the packaging line of rear formation, to improve the class of product.Significantly, the both sides that the form of the present embodiment is equally applicable to the heat seal packaging line all are the occasions of cavity package, can respectively separating element be set in the both sides of heat seal cutting die and make it be applicable to Multicarity packing; In like manner, when heat seal encapsulated the cavity package of various shapes, described separating element can be laid thereupon; On the automatic production line of heat seal encapsulation, also can use easily.
Obviously, those skilled in the art can carry out various changes and not break away from spiritual scope of the present utility model structure of the present utility model.Therefore, if these changes belong to the utility model claims and the technical scope that is equal in, then the utility model also is intended to contain these changes.
Claims (1)
1. the gas of a plastic sheeting heat seal encapsulation cuts off circulation device, it is characterized in that, it comprises gas location separating element and heat seal package assembling; Described gas location separating element is used for first double-layer films being compressed, thereby film is positioned and cuts off airiness between packing cavity and the packaging line; Described heat seal package assembling is used for double-layer films is carried out Heat Sealing at packaging line or face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220324874 CN202703982U (en) | 2012-07-01 | 2012-07-01 | Gas separating and ventilating device for plastic film heat-sealing packaging |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220324874 CN202703982U (en) | 2012-07-01 | 2012-07-01 | Gas separating and ventilating device for plastic film heat-sealing packaging |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202703982U true CN202703982U (en) | 2013-01-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220324874 Expired - Fee Related CN202703982U (en) | 2012-07-01 | 2012-07-01 | Gas separating and ventilating device for plastic film heat-sealing packaging |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202703982U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103274086A (en) * | 2013-06-06 | 2013-09-04 | 叶春林 | Method for preventing harmful gas in plastic film package from entering package cavity |
| CN108137181A (en) * | 2015-10-02 | 2018-06-08 | 凸版印刷株式会社 | Anvil block and ultrasonic sealing device |
-
2012
- 2012-07-01 CN CN 201220324874 patent/CN202703982U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103274086A (en) * | 2013-06-06 | 2013-09-04 | 叶春林 | Method for preventing harmful gas in plastic film package from entering package cavity |
| CN108137181A (en) * | 2015-10-02 | 2018-06-08 | 凸版印刷株式会社 | Anvil block and ultrasonic sealing device |
| CN108137181B (en) * | 2015-10-02 | 2021-02-26 | 凸版印刷株式会社 | Anvil block and ultrasonic sealing device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130130 Termination date: 20150701 |
|
| EXPY | Termination of patent right or utility model |