CN114132614A - A kind of degradable environmental protection PE packaging bag and preparation method thereof - Google Patents
A kind of degradable environmental protection PE packaging bag and preparation method thereof Download PDFInfo
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- CN114132614A CN114132614A CN202111358954.6A CN202111358954A CN114132614A CN 114132614 A CN114132614 A CN 114132614A CN 202111358954 A CN202111358954 A CN 202111358954A CN 114132614 A CN114132614 A CN 114132614A
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- 238000004806 packaging method and process Methods 0.000 title claims abstract description 53
- 230000007613 environmental effect Effects 0.000 title claims abstract description 11
- 238000002360 preparation method Methods 0.000 title claims 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 312
- 238000003860 storage Methods 0.000 claims abstract description 257
- 238000005192 partition Methods 0.000 claims abstract description 6
- 239000004698 Polyethylene Substances 0.000 claims description 56
- 229920003023 plastic Polymers 0.000 claims description 25
- 239000004033 plastic Substances 0.000 claims description 24
- 238000007789 sealing Methods 0.000 claims description 18
- 239000007788 liquid Substances 0.000 claims description 12
- 239000002985 plastic film Substances 0.000 claims description 11
- 229920006255 plastic film Polymers 0.000 claims description 11
- -1 polyethylene Polymers 0.000 claims description 10
- 229920000573 polyethylene Polymers 0.000 claims description 10
- 238000010096 film blowing Methods 0.000 claims description 9
- 239000000203 mixture Substances 0.000 claims description 9
- 238000010438 heat treatment Methods 0.000 claims description 6
- 238000003756 stirring Methods 0.000 claims description 6
- 239000003292 glue Substances 0.000 claims description 4
- 229920006238 degradable plastic Polymers 0.000 claims description 3
- 239000004594 Masterbatch (MB) Substances 0.000 claims 1
- 235000013399 edible fruits Nutrition 0.000 abstract description 109
- 230000000694 effects Effects 0.000 abstract description 15
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 238000003825 pressing Methods 0.000 abstract description 5
- 238000004140 cleaning Methods 0.000 description 22
- 238000000034 method Methods 0.000 description 9
- 239000000463 material Substances 0.000 description 8
- 150000003839 salts Chemical class 0.000 description 8
- 230000008569 process Effects 0.000 description 7
- 241000894006 Bacteria Species 0.000 description 6
- 230000009471 action Effects 0.000 description 6
- 230000005484 gravity Effects 0.000 description 6
- 230000003749 cleanliness Effects 0.000 description 5
- 238000002347 injection Methods 0.000 description 5
- 239000007924 injection Substances 0.000 description 5
- 239000011229 interlayer Substances 0.000 description 5
- 238000005096 rolling process Methods 0.000 description 4
- 208000035143 Bacterial infection Diseases 0.000 description 3
- 235000003953 Solanum lycopersicum var cerasiforme Nutrition 0.000 description 3
- 240000003040 Solanum lycopersicum var. cerasiforme Species 0.000 description 3
- 230000000844 anti-bacterial effect Effects 0.000 description 3
- 208000022362 bacterial infectious disease Diseases 0.000 description 3
- 238000001125 extrusion Methods 0.000 description 3
- 235000021022 fresh fruits Nutrition 0.000 description 3
- 230000036541 health Effects 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 238000000465 moulding Methods 0.000 description 3
- 235000021178 picnic Nutrition 0.000 description 3
- 241000219095 Vitis Species 0.000 description 2
- 235000009754 Vitis X bourquina Nutrition 0.000 description 2
- 235000012333 Vitis X labruscana Nutrition 0.000 description 2
- 235000014787 Vitis vinifera Nutrition 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 235000013305 food Nutrition 0.000 description 2
- 238000002791 soaking Methods 0.000 description 2
- 229920001169 thermoplastic Polymers 0.000 description 2
- 239000004416 thermosoftening plastic Substances 0.000 description 2
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- 239000005977 Ethylene Substances 0.000 description 1
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- 229920005992 thermoplastic resin Polymers 0.000 description 1
- 238000009461 vacuum packaging Methods 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D31/00—Bags or like containers made of paper and having structural provision for thickness of contents
- B65D31/12—Bags or like containers made of paper and having structural provision for thickness of contents with two or more compartments
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/04—Cleaning involving contact with liquid
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C55/00—Shaping by stretching, e.g. drawing through a die; Apparatus therefor
- B29C55/28—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of blown tubular films, e.g. by inflation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B70/00—Making flexible containers, e.g. envelopes or bags
- B31B70/14—Cutting, e.g. perforating, punching, slitting or trimming
- B31B70/16—Cutting webs
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B70/00—Making flexible containers, e.g. envelopes or bags
- B31B70/60—Uniting opposed surfaces or edges; Taping
- B31B70/64—Uniting opposed surfaces or edges; Taping by applying heat or pressure
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B70/00—Making flexible containers, e.g. envelopes or bags
- B31B70/74—Auxiliary operations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B70/00—Making flexible containers, e.g. envelopes or bags
- B31B70/74—Auxiliary operations
- B31B70/81—Forming or attaching accessories, e.g. opening devices, closures or tear strings
- B31B70/84—Forming or attaching means for filling or dispensing contents, e.g. valves or spouts
- B31B70/844—Applying rigid valves, spouts, or filling tubes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D85/00—Containers, packaging elements or packages, specially adapted for particular articles or materials
- B65D85/30—Containers, packaging elements or packages, specially adapted for particular articles or materials for articles particularly sensitive to damage by shock or pressure
- B65D85/34—Containers, packaging elements or packages, specially adapted for particular articles or materials for articles particularly sensitive to damage by shock or pressure for fruit, e.g. apples, oranges or tomatoes
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W90/00—Enabling technologies or technologies with a potential or indirect contribution to greenhouse gas [GHG] emissions mitigation
- Y02W90/10—Bio-packaging, e.g. packing containers made from renewable resources or bio-plastics
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Packging For Living Organisms, Food Or Medicinal Products That Are Sensitive To Environmental Conditiond (AREA)
- Packages (AREA)
Abstract
本发明涉及包装袋技术领域，具体为一种可降解环保PE包装袋及其制作方法，所述的一种可降解环保PE包装袋，包括袋体和一号封条，所述袋体被分隔成储物腔、一号储水腔和二号储水腔；所述储物腔和一号储水腔之间通过二号封条密封连接，储物腔与二号储水腔之间通过三号封条密封连接；所述一号储水腔和二号储水腔之间通过隔层隔开；本发明通过将袋体分隔成储物腔、一号储水腔和二号储水腔；所述储物腔、一号储水腔和二号储水腔三者容积的比值为2:1:1；本发明通过交替按压一号储水腔和二号储水腔，使得一号储水腔和二号储水腔内的水向上流动能够对储物腔内的水果进行清洗，保证了水果的口感爽口，使得本发明具有操作简单、使用方便和经济实用的效果。
The invention relates to the technical field of packaging bags, in particular to a degradable environmental protection PE packaging bag and a manufacturing method thereof. The degradable environmental protection PE packaging bag comprises a bag body and a No. 1 seal, and the bag body is divided into Storage cavity, No. 1 water storage cavity and No. 2 water storage cavity; the storage cavity and No. 1 water storage cavity are sealed and connected by No. 2 seal, and between the storage cavity and No. 2 water storage cavity through No. 3 The seal is sealed and connected; the No. 1 water storage cavity and the No. 2 water storage cavity are separated by a partition; the present invention divides the bag body into a storage cavity, a No. 1 water storage cavity and a No. 2 water storage cavity; The volume ratio of the storage cavity, the No. 1 water storage cavity and the No. 2 water storage cavity is 2:1:1; the present invention makes the No. 1 water storage cavity by alternately pressing the No. 1 water storage cavity and the No. 2 water storage cavity. The upward flow of the water in the cavity and the No. 2 water storage cavity can clean the fruit in the storage cavity, ensure the taste of the fruit is refreshing, and make the present invention have the effects of simple operation, convenient use and economical practicality.
Description
Technical Field
The invention relates to the technical field of packaging bags, in particular to a degradable environment-friendly PE packaging bag and a manufacturing method thereof.
Background
The PE packaging bag is a bag for packaging various foods and articles; PE is polyethylene, which is a thermoplastic resin obtained by polymerizing ethylene; the PE packaging bag is a transparent plastic bag and can be used for packaging clothes, bags, electronic products, food and the like, and with the enhancement of environmental protection consciousness, degradable environmental-friendly materials are usually added into the PE packaging bag in the prior art to form the degradable environmental-friendly PE packaging bag; when the weather is hot, the water source is limited and the cleanliness of water is not high when going out for outing, can not wash fruit on the spot, simultaneously go out for outing have the difficult direct contact fruit of bacterium on the hand, so generally wash at home and adorn in the sack and take away, but some fruit are difficult for preserving after having washed, and the involucra outside the peel is washed and is placed for a long time and can influence the taste, for example, dipper, cherry tomato, so need one kind at this moment can solve the water source problem, the fruit washes degradable environmental protection PE wrapping bag that eat now.
The fruit packaging bag comprises a storage box, wherein a power device is arranged in the storage box, a packaging bag is arranged on the lower side of the storage box, a telescopic device and a roller device are arranged in the packaging bag, and the power device comprises a synchronous belt cavity arranged in the storage box; but this technical scheme structure is complicated, and the cost is higher, and is not portable, and the fruit under the vacuum packaging does not wash the fruit taste good that eats at present to cause this scheme to have the limitation.
In view of this, in order to overcome the above technical problems, the present invention provides a degradable environment-friendly PE packaging bag and a method for making the same, which solves the above technical problems.
Disclosure of Invention
In order to make up for the defects of the prior art, the invention provides the degradable environment-friendly PE packaging bag and the manufacturing method thereof.
The technical scheme adopted by the invention for solving the technical problems is as follows: the degradable environment-friendly PE packaging bag comprises a bag body and a first seal, wherein the bag body is divided into a storage cavity, a first water storage cavity and a second water storage cavity; the storage cavity is hermetically connected with the first water storage cavity through a second seal, and the storage cavity is hermetically connected with the second water storage cavity through a third seal; the first water storage cavity and the second water storage cavity are separated by an interlayer; the ratio of the volumes of the storage cavity, the first water storage cavity and the second water storage cavity is 2:1: 1;
when the degradable environment-friendly PE packaging bag works, when weather is hot, water sources are limited when people go out for outing, the cleanliness of water is not high, fruits cannot be cleaned on the spot, and meanwhile bacteria on hands are not easy to directly contact with the fruits when the people go out for outing, so the fruits are generally washed at home and then put in the bag to be taken away, but some fruits are not easy to store after being washed, and the taste of the fruits is influenced by long-time placement after the skin outside the peel is washed, such as a grape and cherry tomato, so the degradable environment-friendly PE packaging bag which can solve the problem of water sources and can be eaten when the fruits are washed at present is needed;
therefore, when the fruit storage box is used by a worker, the first sealing strip is opened, the second sealing strip and the third sealing strip are opened, the first water storage cavity and the second water storage cavity are filled with water, 4-5g of edible salt and the added water are added for dissolving, the water is injected to 4/5 heights of the first water storage cavity and the second water storage cavity, the second sealing strip and the third sealing strip are closed, fruits are placed into the storage cavity, and the first sealing strip is closed and a 0.5-1cm opening is reserved; in order to eat fresh fruits which are just washed and simultaneously prevent bacterial infection on hands and outside, two outer walls of a bag body are pinched, a second sealing strip and a third sealing strip are manually opened, a degradable environment-friendly PE packaging bag is obliquely placed at an angle of 30-45 degrees in a slope, so that a first water storage cavity and a second water storage cavity are opposite to the lower part of a storage area, the first water storage cavity and the second water storage cavity are continuously and alternately pressed, the first water storage cavity is pressed, water in the first water storage cavity enters a storage cavity, after the fruits are washed and cleaned, the water flows into the second water storage cavity under the action of gravity, then the second water storage cavity is pressed, water in the second water storage cavity enters the storage cavity to clean the fruits, the water flows into the first water storage cavity under the action of gravity after being cleaned, the circulating and reciprocating flow of water in the whole bag body is realized, and in order to ensure that the fruits are cleaned completely, the worker can slightly rub the fruits through the bag body in the process that the water flow impacts the fruits, and simultaneously, the worker is matched with the impact of the water flow on the fruits, so that the aim of cleaning the fruits can be fulfilled; after the cleaning, the degradable environment-friendly PE packaging bag is lifted, the effect of airing the storage cavity can be achieved, water can flow back into the first water storage cavity and the second water storage cavity, impurities can be brought in together when the water flows back into the first water storage cavity and the second water storage cavity, and the cleanness of the surface of the fruit is guaranteed; compared with the prior art, water and fruits are taken to a picnic place separately, a part of water needs to be wasted for cleaning to ensure the cleanness of hands, and meanwhile, the fruits are taken by the hands for cleaning and are inevitable to be infected with bacteria, so that the health of workers is influenced; the salt added into the water also has the bactericidal effect;
according to the fruit cleaning device, the first water storage cavity and the second water storage cavity are alternately pressed, so that water in the first water storage cavity and the second water storage cavity flows upwards to clean fruits in the storage cavities, the taste of the fruits is ensured to be tasty, and the fruit cleaning device has the effects of simplicity in operation, convenience in use, economy and practicability.
Preferably, a flexible net is arranged on one side, far away from the first seal, in the storage cavity; the flexible net is fixedly connected with the two inner side walls of the storage cavity; the during operation, the material of flexible net is preferably PE plastics, puts into the wrapping bag with water and fruit, washs the fruit and when carrying the wrapping bag up, and fruit can receive stopping of plastic net, prevents that fruit from rolling into a water storage chamber and No. two water storage intracavity for fruit can not directly steep and influence the taste in water.
Preferably, a suction nozzle head and a screw cap are arranged on one side of the second water storage cavity, which is far away from the first water storage cavity; threads are distributed on the outer surface of the suction nozzle head, one end of the suction nozzle head is communicated with the second water storage cavity, and the other end of the suction nozzle head is connected with the screw cap through the threads; the interlayer is provided with a through hole; the through hole is used for communicating the first water storage cavity with the second water storage cavity; when the water injection device works, the first sealing strip and the second sealing strip are closed, the position of the storage cavity is turned over to be above the first water storage cavity and the second water storage cavity, the rotary cover is rotated, the suction nozzle head is opened, water is injected into the second water storage cavity, the rotary cover is screwed on the suction nozzle head after half height of water is injected, and the second water injection cavity is closed; by arranging the suction nozzle head and the spiral cover, water can be directly injected into the water storage cavity without passing through the storage cavity, so that the inner wall of the storage cavity is prevented from being wetted, and the storage time of fruits is prevented from being influenced; when the second water storage cavity is filled with water, the injected water can enter the first water storage cavity through the through hole; the water body is kept to realize circulating flow in the whole packaging bag, so that the condition that the cleaning effect of the fruits is influenced by overlarge water quantity difference in the two water storage cavities is prevented; after the fruit washs the completion, twist up the bag body, open the spiral cover again, let the rivers go out, the water that flows can wash staff's hand for the staff can eat with the fruit of taking with the hand, has guaranteed the cleanliness factor of edible fruit, and need act as gloves with the bag body before not having this design, separates the bag body and takes fruit, and its process is not convenient.
Preferably, the through hole is formed in one side, far away from the storage cavity, of the partition layer; when the water storage device works, when water is injected into the second water storage cavity, the water can flow into the first water storage cavity through the through hole after being injected into a certain height, and the effect that the water amount in the first water storage cavity and the water amount in the second water storage cavity are kept balanced before the first water storage cavity and the second water storage cavity are pressed is achieved; when pressing a water storage chamber and No. two water storage chambers in turn, reach the purpose of plugging up the through-hole with the outer wall that the finger pressed degradable environmental protection PE wrapping bag, guarantee the water yield that water flows to the storing intracavity, improve the cleaning performance of storing intracavity fruit.
Preferably, the centers of the inner walls of the first water storage cavity and the second water storage cavity are fixedly connected with flexible balls; when the water seal device works, the flexible balls are preferably made of sponge, the two flexible balls are alternately pressed by hands, and the flexible balls have supporting force, so that the water body cannot be broken by pressing or squeezing the seal; the flexible ball body has elasticity and can be reset in time, so that sufficient reserved space is reserved when water is injected into the first water storage cavity and the second water storage cavity; because the flexible ball is the sponge material, can flatten itself when receiving pressure, be convenient for transport and sell it.
A manufacturing method of a degradable environment-friendly PE packaging bag is suitable for the degradable environment-friendly PE packaging bag and comprises the following steps:
s1: firstly, adding polyethylene into a reaction kettle for heating, and heating to take out the molten liquid polyethylene;
s2: secondly, putting the degradable plastic master batches into liquid polyethylene in S1 for stirring, adding a solid-liquid mixture into a film blowing machine after uniformly stirring, starting the film blowing machine, keeping the solid-liquid mixture in the film blowing machine within a proper temperature range, and then extruding and molding the mixture to prepare a film without bottom sealing;
s3: cutting the plastic film in the step S2 to enable the edge of the plastic film to be smooth, sealing the bottom and the side parts of the plastic film by using a sealing machine, performing thermoplastic extrusion on the middle part of one side of the plastic film, and reserving a through hole;
s4: finally, with the plastic bag that obtains in S3 the setting position before the market purchase seal, No. two seals, No. three seals, suction nozzle head and spiral cover, glue the seal for one in the top heat plastic bonding of plastic bag, install No. two seals and No. three seals at the middle part of plastic bag, install the suction nozzle head through heat plastic in the right-hand member one side of plastic bag, pass through threaded connection the spiral cover on the suction nozzle head, glue links firmly flexible ball at the downside of plastic bag to make degradable environmental protection PE wrapping bag.
The invention has the following beneficial effects:
1. according to the degradable environment-friendly PE packaging bag, the first water storage cavity and the second water storage cavity are alternately pressed, so that water in the first water storage cavity and the second water storage cavity flows upwards to clean fruits in the storage cavities, the taste of the fruits is ensured to be tasty, and the degradable environment-friendly PE packaging bag has the effects of simplicity in operation, convenience in use, economy and practicability.
2. According to the degradable environment-friendly PE packaging bag, the fruits are blocked by the plastic net, so that the fruits are prevented from rolling into the first water storage cavity and the second water storage cavity, and the taste of the fruits cannot be influenced by directly soaking in water.
3. According to the degradable environment-friendly PE packaging bag, the flexible ball is arranged, and the flexible ball has supporting force, so that the situation that the sealing strip is crushed and broken by extrusion in a water body is avoided; the flexible ball body has elasticity and can be reset in time, so that sufficient reserved space is reserved when water is injected into the first water storage cavity and the second water storage cavity; because the flexible ball is the sponge material, can flatten itself when receiving pressure, be convenient for transport and sell it.
Drawings
The invention is further described with reference to the following figures and embodiments.
FIG. 1 is a front view of the present invention;
FIG. 2 is a cross-sectional view A-A of FIG. 1;
FIG. 3 is a cross-sectional view B-B of FIG. 1;
FIG. 4 is a flow chart of a method of manufacture of the present invention;
in the figure: 1. a bag body; 11. a storage chamber; 111. a first seal; 112. a flexible mesh; 12. a first water storage cavity; 121. a second seal; 122. a flexible ball; 13. a second water storage cavity; 131. a third seal; 132. a suction nozzle head; 133. screwing a cover; 14. an interlayer; 141. and a through hole.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
As shown in fig. 1 to 4, the degradable environment-friendly PE packaging bag of the present invention comprises a bag body 1 and a first seal 111, wherein the bag body 1 is divided into a storage cavity 11, a first water storage cavity 12 and a second water storage cavity 13; the storage cavity 11 is hermetically connected with the first water storage cavity 12 through a second seal 121, and the storage cavity 11 is hermetically connected with the second water storage cavity 13 through a third seal 131; the first water storage cavity 12 and the second water storage cavity 13 are separated by an interlayer 14; the volume ratio of the storage cavity 11 to the first water storage cavity 12 to the second water storage cavity 13 is 2:1: 1;
when the degradable environment-friendly PE packaging bag works, when weather is hot, water sources are limited when people go out for outing, the cleanliness of water is not high, fruits cannot be cleaned on the spot, and meanwhile bacteria on hands are not easy to directly contact with the fruits when the people go out for outing, so the fruits are generally washed at home and then put in the bag to be taken away, but some fruits are not easy to store after being washed, and the taste of the fruits is influenced by long-time placement after the skin outside the peel is washed, such as a grape and cherry tomato, so the degradable environment-friendly PE packaging bag which can solve the problem of water sources and can be eaten when the fruits are washed at present is needed;
therefore, when the fruit storage box is used by a worker, the first seal 111 is opened, the second seal 121 and the third seal 131 are opened, the first water storage cavity 12 and the second water storage cavity 13 are filled with water, 4-5g of edible salt and added water are added to dissolve the edible salt, the water is injected to the 4/5 height of the first water storage cavity 12 and the second water storage cavity 13, the second seal 121 and the third seal 131 are closed, fruits are placed into the storage cavity 11, and the first seal 111 is closed and a 0.5-1cm opening is reserved; in order to eat fresh fruits which are just washed and simultaneously prevent bacterial infection on hands and outside, two outer walls of the bag body 1 are pinched, the second seal 121 and the third seal 131 are manually opened, the degradable environment-friendly PE packaging bag is obliquely placed at an angle of 30-45 degrees by looking for a slope, so that the first water storage cavity 12 and the second water storage cavity 13 are opposite to the lower part of the storage area, the first water storage cavity 12 and the second water storage cavity 13 are continuously and alternately pressed, the first water storage cavity 12 is pressed, water in the first water storage cavity 12 enters the storage cavity 11, after the fruits are washed and cleaned, the water flows into the second water storage cavity 13 under the action of gravity, the second water storage cavity 13 is pressed, the water in the second water storage cavity 13 enters the storage cavity 11 to clean the fruits, and after the fruits are cleaned, the water flows into the first water storage cavity 12 under the action of gravity, and the water in the whole bag body 1 flows in a reciprocating mode, in order to ensure that the fruits are cleaned, a worker can slightly rub the fruits through the bag body 1 in the process that the water flow impacts the fruits, and simultaneously, the aim of cleaning the fruits can be fulfilled by matching with the impact of the water flow on the fruits; after the cleaning, the degradable environment-friendly PE packaging bag is lifted, the effect of airing the storage cavity 11 can be achieved, water can flow back into the first water storage cavity 12 and the second water storage cavity 13, impurities can be brought in together when the water flows back into the first water storage cavity 12 and the second water storage cavity 13, and the cleanness of the surface of the fruit is guaranteed; compared with the prior art, water and fruits are taken to a picnic place separately, a part of water needs to be wasted for cleaning to ensure the cleanness of hands, and meanwhile, the fruits are taken by the hands for cleaning and are inevitable to be infected with bacteria, so that the health of workers is influenced; the salt added into the water also has the bactericidal effect;
according to the fruit cleaning device, the first water storage cavity 12 and the second water storage cavity 13 are alternately pressed, so that water in the first water storage cavity 12 and the second water storage cavity 13 flows upwards to clean fruits in the storage cavity 11, the taste of the fruits is ensured to be tasty, and the fruit cleaning device has the effects of being simple in operation, convenient to use, economical and practical.
As a specific embodiment of the present invention, a flexible net 112 is disposed on a side of the storage cavity 11 away from the first seal 111; the flexible net 112 is fixedly connected with two inner side walls of the storage cavity 11; during operation, the preferred PE plastics of material of flexible net 112, put into the wrapping bag with water and fruit, when wasing good fruit and carrying the wrapping bag, fruit can receive stopping of plastic net, prevents that fruit from rolling into a water storage chamber 12 and No. two water storage chamber 13 in for fruit can not directly steep and influence the taste in the water.
As a specific embodiment of the present invention, a suction nozzle head 132 and a screw cap 133 are disposed on a side of the second water storage cavity 13 away from the first water storage cavity 12; threads are distributed on the outer surface of the suction nozzle head 132, one end of the suction nozzle head 132 is communicated with the second water storage cavity 13, and the other end of the suction nozzle head 132 is connected with the screw cap 133 through the threads; a through hole 141 is formed in the interlayer 14; the through hole 141 communicates the first water storage cavity 12 with the second water storage cavity 13; when the water injection device works, the first seal 111 and the second seal 121 are closed, the position of the storage cavity 11 is turned over to the positions above the first water storage cavity 12 and the second water storage cavity 13, the rotary cover 133 is rotated, the suction nozzle head 132 is opened, the second water storage cavity 13 is injected with water, after 4/5-height water is injected, the rotary cover 133 is screwed on the suction nozzle head 132, and the second water injection cavity is closed; by arranging the suction nozzle head 132 and the screw cap 133, water can be directly injected into the water storage cavity without passing through the storage cavity 11, so that the inner wall of the storage cavity 11 is prevented from being wetted, and the storage time of fruits is prevented from being influenced; when the second water storage cavity 13 is filled with water, the filled water can enter the first water storage cavity 12 through the through hole 141; the water body is kept to realize circulating flow in the whole packaging bag, so that the condition that the cleaning effect of the fruits is influenced by overlarge water quantity difference in the two water storage cavities is prevented; after the fruit washs the completion, twist up the bag body 1, open spiral cover 133 again, let the rivers go out, the water that flows can wash staff's hand for the staff can eat with the fruit of taking with the hand, has guaranteed edible fruit's cleanliness factor, and need act as gloves with bag body 1 before not having this design, separates the bag body 1 and takes fruit, and its process is not convenient.
As a specific embodiment of the present invention, the through hole 141 is disposed on a side of the partition 14 away from the storage cavity 11; when the water storage device works, when water is injected into the second water storage cavity 13 at a certain height, the water flows into the first water storage cavity 12 through the through hole 141, and the effect that the water amount in the first water storage cavity 12 and the water amount in the second water storage cavity 13 are kept balanced before the first water storage cavity 12 and the second water storage cavity 13 are pressed is achieved; when pressing a water storage chamber 12 and No. two water storage chamber 13 in turn, press the outer wall of degradable environmental protection PE wrapping bag with the finger and reach the purpose of plugging up through-hole 141, guarantee the water yield that water flows in to storing chamber 11, improve the cleaning performance of fruit in the storing chamber 11.
As a specific embodiment of the present invention, a flexible ball 122 is fixedly connected to the center of the inner wall of the first water storage cavity 12 and the second water storage cavity 13; when the water-saving device works, the flexible balls 122 are preferably made of sponge, two flexible balls 122 are alternately pressed by hands, and the flexible balls 122 have supporting force, so that the water body cannot break or break the seal; the flexible ball 122 has elasticity and can be reset in time, so that sufficient reserved space is reserved when the first water storage cavity 12 and the second water storage cavity 13 are filled with water; because flexible ball 122 is the sponge material, can flatten itself when receiving pressure, be convenient for transport and sell it.
A manufacturing method of a degradable environment-friendly PE packaging bag is suitable for the degradable environment-friendly PE packaging bag and comprises the following steps:
s1: firstly, adding polyethylene into a reaction kettle for heating, and heating to take out the molten liquid polyethylene;
s2: secondly, putting the degradable plastic master batches into liquid polyethylene in S1 for stirring, adding a solid-liquid mixture into a film blowing machine after uniformly stirring, starting the film blowing machine, keeping the solid-liquid mixture in the film blowing machine within a proper temperature range, and then extruding and molding the mixture to prepare a film without bottom sealing;
s3: cutting the plastic film in the step S2 to enable the edge of the plastic film to be flat, sealing the bottom and the side parts of the plastic film by using a sealing machine, performing thermoplastic extrusion on the middle part of one side of the plastic film, and reserving a through hole 141;
s4: finally, setting the set position of the plastic bag obtained in the step S3 with a first seal 111, a second seal 121, a third seal 131, a suction nozzle head 132 and a screw cap 133 purchased in the market before, thermally bonding the first seal 111 on the plastic bag, installing the second seal 121 and the third seal 131 in the middle of the plastic bag, installing the suction nozzle head 132 on one side of the right end of the plastic bag through thermal molding, connecting the screw cap 133 on the suction nozzle head 132 through threads, and fixedly connecting the flexible ball 122 on the lower side of the plastic bag through glue, thereby manufacturing the degradable environment-friendly PE packaging bag.
The specific working process is as follows:
therefore, when the fruit storage box is used by a worker, the first seal 111 is opened, the second seal 121 and the third seal 131 are opened, the first water storage cavity 12 and the second water storage cavity 13 are filled with water, 4-5g of edible salt and added water are added to dissolve the edible salt, the water is injected to the 4/5 height of the first water storage cavity 12 and the second water storage cavity 13, the second seal 121 and the third seal 131 are closed, fruits are placed into the storage cavity 11, and the first seal 111 is closed and a 0.5-1cm opening is reserved; in order to eat fresh fruits which are just washed and simultaneously prevent bacterial infection on hands and outside, two outer walls of the bag body 1 are pinched, the second seal 121 and the third seal 131 are manually opened, the degradable environment-friendly PE packaging bag is obliquely placed at an angle of 30-45 degrees by looking for a slope, so that the first water storage cavity 12 and the second water storage cavity 13 are opposite to the lower part of the storage area, the first water storage cavity 12 and the second water storage cavity 13 are continuously and alternately pressed, the first water storage cavity 12 is pressed, water in the first water storage cavity 12 enters the storage cavity 11, after the fruits are washed and cleaned, the water flows into the second water storage cavity 13 under the action of gravity, the second water storage cavity 13 is pressed, the water in the second water storage cavity 13 enters the storage cavity 11 to clean the fruits, and after the fruits are cleaned, the water flows into the first water storage cavity 12 under the action of gravity, and the water in the whole bag body 1 flows in a reciprocating mode, in order to ensure that the fruits are cleaned, a worker can slightly rub the fruits through the bag body 1 in the process that the water flow impacts the fruits, and simultaneously, the aim of cleaning the fruits can be fulfilled by matching with the impact of the water flow on the fruits; after the cleaning, the degradable environment-friendly PE packaging bag is lifted, the effect of airing the storage cavity 11 can be achieved, water can flow back into the first water storage cavity 12 and the second water storage cavity 13, impurities can be brought in together when the water flows back into the first water storage cavity 12 and the second water storage cavity 13, and the cleanness of the surface of the fruit is guaranteed; compared with the prior art, water and fruits are taken to a picnic place separately, a part of water needs to be wasted for cleaning to ensure the cleanness of hands, and meanwhile, the fruits are taken by the hands for cleaning and are inevitable to be infected with bacteria, so that the health of workers is influenced; the salt added into the water also has the bactericidal effect; the flexible net 112 is preferably made of PE plastic, water and fruits are placed in the packaging bag, when the fruits are cleaned and the packaging bag is lifted, the fruits are blocked by the plastic net, and the fruits are prevented from rolling into the first water storage cavity 12 and the second water storage cavity 13, so that the taste of the fruits cannot be influenced by the direct soaking of the fruits in the water; closing the first seal 111 and the second seal 121, turning the position of the storage cavity 11 to be above the first water storage cavity 12 and the second water storage cavity 13, rotating the rotary cover 133, opening the suction nozzle head 132, injecting water into the second water storage cavity 13, screwing the rotary cover 133 on the suction nozzle head 132 after 4/5-height water is injected, and closing the second water injection cavity; by arranging the suction nozzle head 132 and the screw cap 133, water can be directly injected into the water storage cavity without passing through the storage cavity 11, so that the inner wall of the storage cavity 11 is prevented from being wetted, and the storage time of fruits is prevented from being influenced; when the second water storage cavity 13 is filled with water, the filled water can enter the first water storage cavity 12 through the through hole 141; the water body is kept to realize circulating flow in the whole packaging bag, so that the condition that the cleaning effect of the fruits is influenced by overlarge water quantity difference in the two water storage cavities is prevented; after the fruits are cleaned, the bag body 1 is screwed up, the screw cap 133 is opened again, water flows out, the flowing water can clean the hands of workers, so that the workers can take the fruits with the hands to eat, the cleanness of the edible fruits is guaranteed, before the design is not provided, the bag body 1 is required to serve as gloves, the fruits are taken through the bag body 1, and the process is inconvenient; when water is injected into the second water storage cavity 13, after water is injected into a certain height, the water can flow into the first water storage cavity 12 through the through hole 141, and the effect that the water quantity in the first water storage cavity 12 and the second water storage cavity 13 is kept balanced before the first water storage cavity 12 and the second water storage cavity 13 are pressed is achieved; when the first water storage cavity 12 and the second water storage cavity 13 are alternately pressed, the outer wall of the degradable environment-friendly PE packaging bag is pressed by fingers to achieve the purpose of blocking the through hole 141, so that the water quantity of water flowing into the storage cavity 11 is ensured, and the cleaning effect of fruits in the storage cavity 11 is improved; the material of the flexible ball 122 is preferably sponge, two flexible balls 122 are alternately pressed by hands, and the flexible balls 122 have supporting force, so that the water body cannot be broken by pressing or squeezing the seal; the flexible ball 122 has elasticity and can be reset in time, so that sufficient reserved space is reserved when the first water storage cavity 12 and the second water storage cavity 13 are filled with water; because flexible ball 122 is the sponge material, can flatten itself when receiving pressure, be convenient for transport and sell it.
While there have been shown and described what are at present considered the fundamental principles of the invention, its essential features and advantages, it will be understood by those skilled in the art that the invention is not limited by the embodiments described above, which are merely illustrative of the principles of the invention, but various changes and modifications may be made therein without departing from the spirit and scope of the invention as defined by the appended claims and their equivalents.
Claims (6)
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| CN114132614B (en) | 2025-02-14 |
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