CN114148620A - Breathing bag convenient to take - Google Patents
Breathing bag convenient to take Download PDFInfo
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- CN114148620A CN114148620A CN202111463778.2A CN202111463778A CN114148620A CN 114148620 A CN114148620 A CN 114148620A CN 202111463778 A CN202111463778 A CN 202111463778A CN 114148620 A CN114148620 A CN 114148620A
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- 230000029058 respiratory gaseous exchange Effects 0.000 title claims abstract description 53
- 239000004698 Polyethylene Substances 0.000 claims abstract description 39
- -1 polyethylene Polymers 0.000 claims abstract description 38
- 229920000573 polyethylene Polymers 0.000 claims abstract description 38
- 238000004519 manufacturing process Methods 0.000 claims abstract description 21
- 229920000690 Tyvek Polymers 0.000 claims abstract description 19
- 239000000463 material Substances 0.000 claims abstract description 18
- 239000012768 molten material Substances 0.000 claims description 22
- 238000005096 rolling process Methods 0.000 claims description 16
- 238000010096 film blowing Methods 0.000 claims description 14
- 230000001954 sterilising effect Effects 0.000 claims description 13
- 238000003466 welding Methods 0.000 claims description 13
- 229920001903 high density polyethylene Polymers 0.000 claims description 12
- 239000004700 high-density polyethylene Substances 0.000 claims description 12
- 238000004659 sterilization and disinfection Methods 0.000 claims description 12
- 229920000092 linear low density polyethylene Polymers 0.000 claims description 11
- 239000004707 linear low-density polyethylene Substances 0.000 claims description 11
- 239000002994 raw material Substances 0.000 claims description 11
- 238000010438 heat treatment Methods 0.000 claims description 7
- 238000010101 extrusion blow moulding Methods 0.000 claims description 6
- 238000001816 cooling Methods 0.000 claims description 5
- 238000002372 labelling Methods 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 5
- 229920003023 plastic Polymers 0.000 claims description 5
- 239000004033 plastic Substances 0.000 claims description 5
- 238000004321 preservation Methods 0.000 claims description 5
- 238000003825 pressing Methods 0.000 claims description 5
- 239000012535 impurity Substances 0.000 claims description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 2
- 238000004887 air purification Methods 0.000 claims description 2
- 239000000428 dust Substances 0.000 claims description 2
- 238000007590 electrostatic spraying Methods 0.000 claims description 2
- 238000005192 partition Methods 0.000 claims description 2
- 239000010959 steel Substances 0.000 claims description 2
- 238000002844 melting Methods 0.000 claims 1
- 230000008018 melting Effects 0.000 claims 1
- 239000012528 membrane Substances 0.000 claims 1
- 239000002356 single layer Substances 0.000 claims 1
- 238000004806 packaging method and process Methods 0.000 abstract description 3
- 229920000642 polymer Polymers 0.000 abstract description 2
- 239000002245 particle Substances 0.000 description 6
- 239000000126 substance Substances 0.000 description 6
- IAYPIBMASNFSPL-UHFFFAOYSA-N Ethylene oxide Chemical compound C1CO1 IAYPIBMASNFSPL-UHFFFAOYSA-N 0.000 description 3
- 238000007664 blowing Methods 0.000 description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 239000002158 endotoxin Substances 0.000 description 2
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 2
- 238000011056 performance test Methods 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 241000588724 Escherichia coli Species 0.000 description 1
- 229920010126 Linear Low Density Polyethylene (LLDPE) Polymers 0.000 description 1
- 240000004808 Saccharomyces cerevisiae Species 0.000 description 1
- 238000002835 absorbance Methods 0.000 description 1
- 241001148470 aerobic bacillus Species 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000006353 environmental stress Effects 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000000813 microbial effect Effects 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000003206 sterilizing agent Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Classifications
-
- 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
- B65D31/04—Bags or like containers made of paper and having structural provision for thickness of contents with multiple walls
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B50/00—Containers, covers, furniture or holders specially adapted for surgical or diagnostic appliances or instruments, e.g. sterile covers
- A61B50/30—Containers specially adapted for packaging, protecting, dispensing, collecting or disposing of surgical or diagnostic appliances or instruments
- A61B50/31—Carrying cases or bags, e.g. doctors' bags
-
- 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
- B29C69/00—Combinations of shaping techniques not provided for in a single one of main groups B29C39/00 - B29C67/00, e.g. associations of moulding and joining techniques; Apparatus therefore
- B29C69/001—Combinations of shaping techniques not provided for in a single one of main groups B29C39/00 - B29C67/00, e.g. associations of moulding and joining techniques; Apparatus therefore a shaping technique combined with cutting, e.g. in parts or slices combined with rearranging and joining the cut parts
-
- 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
- B65D33/00—Details of, or accessories for, sacks or bags
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B50/00—Containers, covers, furniture or holders specially adapted for surgical or diagnostic appliances or instruments, e.g. sterile covers
- A61B50/30—Containers specially adapted for packaging, protecting, dispensing, collecting or disposing of surgical or diagnostic appliances or instruments
- A61B2050/314—Flexible bags or pouches
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2023/00—Use of polyalkenes or derivatives thereof as moulding material
- B29K2023/04—Polymers of ethylene
- B29K2023/06—PE, i.e. polyethylene
- B29K2023/0608—PE, i.e. polyethylene characterised by its density
- B29K2023/0625—LLDPE, i.e. linear low density polyethylene
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2023/00—Use of polyalkenes or derivatives thereof as moulding material
- B29K2023/04—Polymers of ethylene
- B29K2023/06—PE, i.e. polyethylene
- B29K2023/0608—PE, i.e. polyethylene characterised by its density
- B29K2023/065—HDPE, i.e. high density polyethylene
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/712—Containers; Packaging elements or accessories, Packages
- B29L2031/7128—Bags, sacks, sachets
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Biomedical Technology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
Abstract
The invention belongs to the technical field of medicinal polymer packaging, and particularly relates to a convenient-to-take breathing bag. The breathing bag comprises a breathing bag body, wherein the breathing bag body consists of a paper surface and a film surface, the film surface is a polyethylene film, the paper surface is Tyvek paper, three sides of the paper surface and three sides of the film surface are correspondingly welded to form a bag-shaped structure with one side opened, and the length of the film surface at the bag opening is greater than that of the paper surface. The polyethylene film prepared from the two materials has excellent temperature resistance and puncture resistance, the length of the polyethylene film at the bag opening is longer than that of Tyvek paper, the problem that production efficiency is affected due to the fact that an operator takes the breathing bag inconveniently because the breathing bag is generally flat is solved, labor intensity is reduced, production efficiency is improved, and meanwhile opening strength can be greatly improved.
Description
Technical Field
The invention belongs to the technical field of medicinal polymer packaging, and particularly relates to a convenient-to-take breathing bag.
Background
The breathing bag is mainly used for packaging and sterilizing a non-washing rubber plug, a non-washing aluminum cover, a sterile garment, an interface ring cover, a filter element, a sealing ring, a filling needle head, a silicone tube, medical equipment, an injector assembly and the like. The work principle of the breathing bag on the market is as follows: the paper surface allows the steam or sterilizing agent to enter and exit, but bacteria can not pass through, microorganisms in the bag are killed during sterilization, and the sterile state in the bag can be maintained after sterilization. But the problem that exists is that the opening is generally level and smooth, and this can lead to the inconvenient of operating personnel's access, and indirect influence production efficiency.
Disclosure of Invention
Aiming at the problems of smooth opening and inconvenient taking of the breathing bag in the prior art, the invention provides the breathing bag convenient to take and the production method thereof.
The technical scheme adopted by the invention is as follows:
the utility model provides a breathe bag convenient to take which characterized in that: the breathing bag comprises a breathing bag body, wherein the breathing bag body consists of a paper surface and a film surface, the film surface is a polyethylene film, the paper surface is Tyvek paper, three sides of the paper surface and three sides of the film surface are correspondingly welded to form a bag-shaped structure with one side opened, and the length of the film surface at the bag opening is greater than that of the paper surface.
After the technical scheme is adopted, the length of the film surface at the bag opening is longer than that of the paper surface, the design can improve the grabbing convenience of workers, reduce the labor intensity and improve the production efficiency, and meanwhile, the design can greatly improve the strength of the opening and ensure that the opening is not easy to damage.
Preferably, the film surface is a polyethylene film, the paper surface is Tyvek paper, the polyethylene film is composed of HDPE and LLDPE, wherein the density of the HDPE is 0.945 to 0.955g/cm3The content is 90-50%, and the density of LLDPE is 0.920-0.930g/cm3The content is 10-50%.
After the technical scheme is adopted, LLDPE has excellent environmental stress crack resistance, low-temperature impact resistance and warpage resistance, HDPE has good heat resistance and cold resistance, chemical stability is good, rigidity and toughness are high, and mechanical strength is good, so that the prepared polyethylene film has good chemical stability, temperature resistance and mechanical property, the polyethylene film produced by using the two materials can resist various sterilization modes such as y-ray steam (121 ℃) sterilization, ethylene oxide sterilization, VHP sterilization and the like, and the absorption degree of Tyvek paper to ethylene oxide is far lower than that of other paper when ethylene oxide sterilization is carried out.
Preferably, the length of the film surface at the mouth of the breathing bag body is 3-10mm greater than that of the paper surface.
After the technical scheme is adopted, the length is convenient for operators to take, and meanwhile, material waste is avoided.
Aiming at the problems that the mouth of a breathing bag is smooth and the operator is inconvenient to take in the prior art, the invention also provides a production method of the breathing bag convenient to take.
The method comprises the following steps:
step 1: preparing materials: preparing raw materials for preparing the polyethylene film according to a proportion;
step 2: and (3) heating: and heating the main machine of the film blowing machine to 145.0-205.0 ℃ in a subarea manner, and preserving heat for 1-1.5h after the temperature requirement is met.
And step 3: extrusion blow molding: after the heat preservation requirement is met, adding the good raw materials into a hopper of a film blowing machine, starting a main machine, rotating a screw at a rotating speed of 10-20r/min at the beginning, gradually increasing the rotating speed of the screw after a molten material passes through a machine head and is blown into a tube bubble, filling the raw materials in the hopper, and adjusting the rotating speed to be 40-60 r/min;
and 4, step 4: material lifting: gathering the melted materials passing through the machine head together, and drawing the melted materials;
and 5: feeding rollers: feeding the lifted tube bubble into a clamping roller, pressing the tube bubble into a folded film through the clamping roller, and then conveying the folded film to a coiling device through a guide roller;
step 6: and (3) inflating: after the plastic tube bubble is fed to the roller, air is blown into the tube bubble until the required width is achieved.
And 7: adjusting: adjusting the thickness of the film by adjusting the gap of a port die, the air quantity of a cooling air ring and the traction speed, adjusting the width of the film by adjusting the size of inflation, and performing edge removing treatment on the polyethylene film by using a cutter at a curling position to obtain the polyethylene film;
and 8: rolling the film: sequentially passing the prepared polyethylene film and Tyvek paper through a rubber roller, a clamping roller, a buffer roller, a flattening roller and a welding knife in sequence, finally reaching a bag outlet, adjusting the tension, the temperature and the curling speed of a film rolling machine, starting a starting button after the adjustment, adjusting a deviation corrector to enable the length of the polyethylene film to be larger than that of the Tyvek paper, simultaneously checking the heat seal strength, the width and the distance from the edge of a welding line, and starting production to obtain a breathing bag after the indexes are qualified;
and step 9: labeling: and firmly sticking the sterilization indicating label at the appointed position.
After the technical scheme is adopted, the breathing bag convenient to take is produced through the production process.
Preferably, the temperatures of the barrel zones in the step 2 are respectively as follows: the temperature in the 1-2 zone is 165.0-195.0 ℃, the temperature in the 3 zone is 175.0-205.0 ℃, and the temperature in the 4-6 zone is 165.0-195.0 ℃.
After the technical scheme is adopted, the high-temperature-resistant raw materials can be fully melted, and a stable and standard polyethylene film can be blown out in the film blowing process.
Preferably, the film blowing machine comprises a die head, the die head is divided into a zone 1 and a zone 2, and the temperature of the zone 1 and the temperature of the zone 2 are both 145.0-195.0 ℃.
After the technical scheme is adopted, the temperature of the raw materials is maintained, and the smooth progress of the extrusion blow molding process is ensured.
Preferably, the tension range of the film rolling machine in the step 7 is 0.1-0.2Mpa, the temperature range is 150-180 ℃, and the curling speed range is 5-8.
Preferably, the production workshop adopts B + A grade air purification clean grade, and all partitions adopt electrostatic spraying color steel plates without dust generation.
After adopting this technical scheme, guarantee the clean degree of breathing bag.
In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:
1. the length of breathing bag sack department polyethylene film is longer than the length of Tyvek paper, improves the convenience that operating personnel snatched, reduces intensity of labour, improves production efficiency, can improve open-ended intensity greatly simultaneously.
HDPE has excellent temperature resistance, LLDPE has excellent tensile property, and polyethylene films prepared from the two materials have excellent temperature resistance and tensile property
Drawings
FIG. 1 is a table of performance tests according to the present invention
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all the embodiments. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present application without making any creative effort, shall fall within the protection scope of the present application.
In the description of the embodiments of the present application, it should be noted that the terms "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships that the products of the present invention are usually placed in when used, and are only used for convenience of description and simplicity of description, but do not indicate or imply that the devices or elements that are referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present application. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
Example 1 a convenient to access breathing bag is produced by a method comprising the steps of:
step 1: preparing materials: the polyethylene film is composed of HDPE and LLDPE, wherein the HDPE has a density of 0.945g/cm390% by weight, and the LLDPE has a density of 0.920g/cm3The content is 10 percent;
step 2: and (3) heating: the temperature of the machine barrel zone of the main machine is respectively as follows: the temperature of the two areas of the die head is 170.0 ℃ after the temperature of the two areas of the die head reaches the requirement and is kept for 1 h;
and step 3: extrusion blow molding: when the main machine meets the heat preservation requirement, adding raw materials into a hopper of the film blowing machine, starting the film blowing machine, rotating a screw at 10Hz at the beginning, gradually increasing the rotating speed of the screw after a molten material passes through a machine head and is blown into a tube bubble to enable the rotating speed to reach 20Hz, and filling the hopper;
and 4, step 4: material lifting: gathering the molten materials passing through the machine head together, drawing the molten materials, starting an upper rotating air shaft air cooler before drawing, ensuring that no molten materials and impurities adhere to the periphery of a die lip when the molten materials are drawn upwards, and simultaneously introducing air into an inflation inlet of the die head to prevent the molten materials from adhering to each other;
and 5: feeding rollers: feeding the lifted tube bubble into a clamping roller, pressing the tube bubble into a folded film through the clamping roller, and then conveying the folded film to a coiling device through a guide roller;
step 6: and (3) inflating: after the plastic tube bubble is fed to the roller, air is blown into the tube bubble until the required width is achieved.
And 7: adjusting: adjusting the thickness of the film through the die gap, the air quantity of the cooling air ring and the traction speed, adjusting the width of the film through adjusting the size of inflation and blowing, and performing edge removing treatment on the film by using a cutter at a curling position;
and 8: rolling the film: sequentially passing the prepared polyethylene film and Tyvek paper through a rubber roller, a clamping roller, a buffer roller, a flattening roller and a welding knife in sequence, finally reaching a bag outlet, adjusting a film rolling machine to be 0.1Mpa, the temperature to be 150.0 ℃ and the rolling speed to be 5, after parameters are adjusted, starting a starting button, adjusting a deviation corrector to enable the length of the polyethylene film to be 3mm longer than that of the Tyvek paper, simultaneously checking the heat seal strength of a welding line, the width of the welding line and the distance from the edge, and starting production after the indexes are qualified;
and step 9: labeling: and firmly sticking the sterilization indicating label at the appointed position.
Embodiment 2 a convenient-to-handle breathing bag is produced by a method comprising the steps of:
step 1: preparing materials: the polyethylene film consists of HDPE and LLDPE, wherein the HDPE has a density of 0.950g/cm370% of LLDPE with a density of 0.925g/cm3The content is 30 percent;
step 2: and (3) heating: the temperature of the machine barrel zone of the main machine is respectively as follows: the temperature of the two areas of the die head is 180.0 ℃ after the temperature of the two areas of the die head reaches the requirement, namely 185.0 ℃ in the area 1-2, 195.0 ℃ in the area 3, and 180.0 ℃ in the area 4-6, and the temperature is kept for 1.3 hours;
and step 3: extrusion blow molding: when the main machine meets the heat preservation requirement, adding raw materials into a hopper of the film blowing machine, starting the film blowing machine, rotating a screw at 13Hz at the beginning, gradually increasing the rotating speed of the screw after a molten material passes through a machine head and is blown into a tube bubble to enable the rotating speed to reach 22Hz, and filling the hopper;
and 4, step 4: material lifting: gathering the molten materials passing through the machine head together, drawing the molten materials, starting an upper rotating air shaft air cooler before drawing, ensuring that no molten materials and impurities adhere to the periphery of a die lip when the molten materials are drawn upwards, and simultaneously introducing air into an inflation inlet of the die head to prevent the molten materials from adhering to each other;
and 5: feeding rollers: feeding the lifted tube bubble into a clamping roller, pressing the tube bubble into a folded film through the clamping roller, and then conveying the folded film to a coiling device through a guide roller;
step 6: and (3) inflating: after the plastic tube bubble is fed to the roller, air is blown into the tube bubble until the required width is achieved.
And 7: adjusting: adjusting the thickness of the film through the die gap, the air quantity of the cooling air ring and the traction speed, adjusting the width of the film through adjusting the size of inflation and blowing, and performing edge removing treatment on the film by using a cutter at a curling position;
and 8: rolling the film: sequentially passing the prepared polyethylene film and Tyvek paper through a rubber roller, a clamping roller, a buffer roller, a flattening roller and a welding knife in sequence, finally reaching a bag outlet, adjusting a film rolling machine to be 0.15Mpa, the temperature to be 160.0 ℃ and the rolling speed to be 7, after parameters are adjusted, starting a starting button, adjusting a deviation corrector to enable the length of the polyethylene film to be 5mm longer than that of the Tyvek paper, simultaneously checking the heat seal strength of a welding line, the width of the welding line and the distance from the edge, and starting production after the indexes are qualified;
and step 9: labeling: and firmly sticking the sterilization indicating label at the appointed position.
Embodiment 3 a convenient-to-handle breathing bag is produced by a method comprising the steps of:
step 1: preparing materials: the polyethylene film consists of HDPE and LLDPE, wherein the HDPE has a density of 0.955g/cm350% by weight of a Linear Low Density Polyethylene (LLDPE) having a density of 0.930g/cm3The content is 50 percent;
step 2: and (3) heating: the temperature of the machine barrel zone of the main machine is respectively as follows: the temperature of the two areas of the die head is 195.0 ℃ after the temperature of the two areas of the die head reaches the requirement, namely 195.0 ℃ in the area 1-2, 190.0 ℃ in the area 3, 185.0 ℃ in the area 4-6, and the temperature is kept for 1.5 h;
and step 3: extrusion blow molding: when the main machine meets the heat preservation requirement, adding raw materials into a hopper of the film blowing machine, starting the film blowing machine, rotating a screw at 15Hz at the beginning, gradually increasing the rotating speed of the screw after a molten material passes through a machine head and is blown into a tube bubble to enable the rotating speed to reach 25Hz, and filling the hopper;
and 4, step 4: material lifting: gathering the molten materials passing through the machine head together, drawing the molten materials, starting an upper rotating air shaft air cooler before drawing, ensuring that no molten materials and impurities adhere to the periphery of a die lip when the molten materials are drawn upwards, and simultaneously introducing air into an inflation inlet of the die head to prevent the molten materials from adhering to each other;
and 5: feeding rollers: feeding the lifted tube bubble into a clamping roller, pressing the tube bubble into a folded film through the clamping roller, and then conveying the folded film to a coiling device through a guide roller;
step 6: and (3) inflating: after the plastic tube bubble is fed to the roller, air is blown into the tube bubble until the required width is achieved.
And 7: adjusting: adjusting the thickness of the film through the die gap, the air quantity of the cooling air ring and the traction speed, adjusting the width of the film through adjusting the size of inflation and blowing, and performing edge removing treatment on the film by using a cutter at a curling position;
and 8: rolling the film: sequentially passing the prepared polyethylene film and Tyvek paper through a rubber roller, a clamping roller, a buffer roller, a flattening roller and a welding knife in sequence, finally reaching a bag outlet, adjusting a film rolling machine to be 0.2Mpa, the temperature to be 180.0 ℃ and the rolling speed to be 8, starting a starting button after adjusting parameters, adjusting a deviation corrector to enable the length of the polyethylene film to be 10mm longer than that of the Tyvek paper, simultaneously checking the heat seal strength of a welding line, the width of the welding line and the distance from the edge, and starting production after the indexes are qualified;
and step 9: labeling: and firmly sticking the sterilization indicating label at the appointed position.
FIG. 1 is a PE film performance test chart
As can be seen from figure 1, the breathing bag has smooth appearance, uniform color and no perforation, foreign matters, peculiar smell and adhesion; the heat seal strength of the breathing bag is 31.5N/15mm, which shows that the heat seal seam of the breathing bag has excellent tensile strength when the breathing bag is spliced by heat seal. The longitudinal tensile property of the polyethylene film of the breathing bag is 31Mpa, the transverse tensile property is 29Mpa, the longitudinal tensile elongation at break is 688%, and the transverse tensile elongation at break is 442%, which are all superior to the standard requirements, and the polyethylene film part of the breathing bag has excellent physical and mechanical properties. The polyethylene film of the breathing bag has the water vapor transmission capacity of 3.5 g/square meter 24h and the oxygen transmission capacity of 782cm3/(m224h 0.1Mpa) are less than the standard requirements, indicating that the polyethylene film part of the breathing bag has excellent barrier properties. And the pH of the polyethylene film of the breathing bag is 6.5; the maximum absorption value between 220-240nm in ultraviolet absorbance detection is between 0.008,241 and 350 and is 0.006; heavy metals in the measurement of dissolved substancesThe content is less than 1ppm, the content of the oxidizable compound is 0.7, the content of the nonvolatile substance in water is less than 30.0mg, the content of the nonvolatile substance in a 65% ethanol solution is 5.3mg, and the content of the nonvolatile substance in an n-hexane solution is 24.9 mg; the content of the residue on ignition in the burn test was 0.06%, indicating that the polyethylene film portion of the respiration bag is high in purity, good in safety, and excellent in chemical stability. The content of insoluble particles with particle diameter of 5um or more in the respiration bag is 2.2/ml, the content of insoluble particles with particle diameter of 10um or more in the respiration bag is 0.6/ml, the content of insoluble particles with particle diameter of 25um or more in the respiration bag is 0.02/ml, and the content of aerobic bacteria number is 15/100 cm2The number of the mould and the yeast is less than 1 per 100cm2And the Escherichia coli is not detected, the content of the bacterial endotoxin is less than or equal to 0.25EU/ml, and the bacterial endotoxin meets the standard requirement, which indicates that the purity of the breathing bag is high and the microbial barrier property is good.
The above-mentioned embodiments only express the specific embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present application. It should be noted that, for those skilled in the art, without departing from the technical idea of the present application, several changes and modifications can be made, which are all within the protection scope of the present application.
Claims (10)
1. The utility model provides a breathe bag convenient to take which characterized in that: the breathing bag comprises a breathing bag body, wherein the breathing bag body consists of a paper surface and a film surface, three side edges of the paper surface and three side edges of the film surface are correspondingly welded to form a bag-shaped structure with one side opened, and the length of the film surface at the bag opening is greater than that of the paper surface.
2. A readily accessible respiration bag according to claim 1 wherein: the film surface is a polyethylene film, the paper surface is Tyvek paper, the polyethylene film is composed of HDPE and LLDPE, wherein the density of the HDPE is 0.945-0.955g/cm3The content is 90-50%, and the density of LLDPE is 0.920-0.930g/cm3The content is 10-50%.
3. A readily accessible respiration bag according to claim 1 wherein: the length of the membrane surface at the mouth of the breathing bag body is 3-10mm greater than that of the paper surface.
4. A readily accessible respiration bag according to claim 1 wherein: the Tyvek paper is medical Tyvek paper.
5. A method of manufacturing a readily accessible respiration bag according to claims 1 to 4, wherein: the method comprises the following steps:
step 1: preparing materials: preparing raw materials for preparing the polyethylene film according to a proportion;
step 2: and (3) heating: heating a main machine of the film blowing machine to 145.0-205.0 ℃ in a subarea manner, and preserving heat for 1-1.5h after the temperature requirement is met;
and step 3: extrusion blow molding: after the heat preservation requirement is met, adding the good raw materials into a hopper of a film blowing machine, starting a main machine, rotating a screw at a rotating speed of 10-20r/min at the beginning, gradually increasing the rotating speed of the screw after a molten material passes through a machine head and is blown into a tube bubble, filling the raw materials in the hopper, and adjusting the rotating speed to be 40-60 r/min;
and 4, step 4: material lifting: gathering the melted materials passing through the machine head together, and drawing the melted materials;
and 5: feeding rollers: feeding the lifted tube bubble into a clamping roller, pressing the tube bubble into a folded film through the clamping roller, and then conveying the folded film to a coiling device through a guide roller;
step 6: and (3) inflating: after the plastic tube bubble is fed to the roller, air is blown into the tube bubble until the required width is achieved;
and 7: adjusting: adjusting the thickness of the film by adjusting the gap of a port die, the air quantity of a cooling air ring and the traction speed, adjusting the width of the film by adjusting the size of inflation, and performing edge removing treatment on the polyethylene film by using a cutter at a curling position to obtain the polyethylene film;
and 8: rolling the film: sequentially passing the prepared polyethylene film and Tyvek paper through a rubber roller, a clamping roller, a buffer roller, a flattening roller and a welding knife in sequence, finally reaching a bag outlet, adjusting the tension, the temperature and the curling speed of a film rolling machine, starting a starting button after the adjustment, adjusting a deviation corrector to enable the length of the polyethylene film to be larger than that of the Tyvek paper, and simultaneously checking the heat seal strength, the width and the distance from the edge of a welding line to start production after the indexes are qualified;
and step 9: labeling: and firmly sticking the sterilization indicating label at the appointed position.
6. A method of manufacturing a readily accessible respiration bag according to claim 5, wherein: in the step 2, the machine barrel area of the single-layer film blowing machine is divided into six areas, namely a feeding area in an area 1-2 and a melting area in an area 3-6, wherein the temperature of the area 1-2 is 165.0-195.0 ℃, the temperature of the area 3 is 175.0-205.0 ℃ and the temperature of the area 4-6 is 165.0-195.0 ℃.
7. A method of manufacturing a readily accessible respiration bag according to claim 5, wherein: the film blowing machine comprises a die head, wherein the die head is divided into two areas, the temperature of the area 1 is 145.0-195.0 ℃, and the temperature of the area 2 is 145.0-195.0 ℃.
8. A method of manufacturing a readily accessible respiration bag according to claim 7 wherein: and 4, before traction, starting the upper rotating air shaft air cooler, ensuring that no molten material and impurities adhere to the periphery of the die lip of the die when molten materials are upwards pulled, and simultaneously introducing air into an inflation inlet of the die head to prevent mutual adhesion.
9. A method of manufacturing a readily accessible respiration bag according to claim 5, wherein: in the step 7, the tension range of the film rolling machine is 0.1-0.2Mpa, the temperature range is 150-180 ℃, and the rolling speed range is 10-20 r/min.
10. A method of manufacturing a readily accessible respiration bag according to claim 5, wherein: the production workshop adopts B + A level air purification clean level, and all partitions adopt electrostatic spraying color steel plates without dust generation.
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| CN202111463778.2A CN114148620A (en) | 2021-12-03 | 2021-12-03 | Breathing bag convenient to take |
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| CN202111463778.2A CN114148620A (en) | 2021-12-03 | 2021-12-03 | Breathing bag convenient to take |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115837784A (en) * | 2022-12-13 | 2023-03-24 | 石家庄中汇药品包装有限公司 | Steam sterilization resistant polyethylene film, processing technology thereof and sterilization breathing bag |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201381007Y (en) * | 2008-10-17 | 2010-01-13 | 浙江金石包装有限公司 | Transplacement-type packing bag |
| CN207985614U (en) * | 2017-06-15 | 2018-10-19 | 杭州语奥生物科技有限公司 | A kind of package body of high-temperature heat sterilization skin care patch |
| CN208412593U (en) * | 2018-07-13 | 2019-01-22 | 奥星衡迅生命科技（上海）有限公司 | Sterile docking breathing bag |
| CN111452328A (en) * | 2020-05-02 | 2020-07-28 | 山东华致林医药科技有限公司 | Blown film containing method |
| CN111717524A (en) * | 2019-04-25 | 2020-09-29 | 广州市金章塑料制品有限公司 | High-temperature and high-pressure resistant medical sterilization bag and preparation method thereof |
| CN113120410A (en) * | 2021-04-21 | 2021-07-16 | 上海浦茂包装材料有限公司 | Sterilizing bag and production process thereof |
-
2021
- 2021-12-03 CN CN202111463778.2A patent/CN114148620A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201381007Y (en) * | 2008-10-17 | 2010-01-13 | 浙江金石包装有限公司 | Transplacement-type packing bag |
| CN207985614U (en) * | 2017-06-15 | 2018-10-19 | 杭州语奥生物科技有限公司 | A kind of package body of high-temperature heat sterilization skin care patch |
| CN208412593U (en) * | 2018-07-13 | 2019-01-22 | 奥星衡迅生命科技（上海）有限公司 | Sterile docking breathing bag |
| CN111717524A (en) * | 2019-04-25 | 2020-09-29 | 广州市金章塑料制品有限公司 | High-temperature and high-pressure resistant medical sterilization bag and preparation method thereof |
| CN111452328A (en) * | 2020-05-02 | 2020-07-28 | 山东华致林医药科技有限公司 | Blown film containing method |
| CN113120410A (en) * | 2021-04-21 | 2021-07-16 | 上海浦茂包装材料有限公司 | Sterilizing bag and production process thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115837784A (en) * | 2022-12-13 | 2023-03-24 | 石家庄中汇药品包装有限公司 | Steam sterilization resistant polyethylene film, processing technology thereof and sterilization breathing bag |
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