CN113878847B - Production device and production method for environment-friendly degradable plastic shopping bag - Google Patents
Production device and production method for environment-friendly degradable plastic shopping bag Download PDFInfo
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- CN113878847B CN113878847B CN202111383459.0A CN202111383459A CN113878847B CN 113878847 B CN113878847 B CN 113878847B CN 202111383459 A CN202111383459 A CN 202111383459A CN 113878847 B CN113878847 B CN 113878847B
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- 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
- B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
-
- 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
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- Manufacturing & Machinery (AREA)
- Biological Depolymerization Polymers (AREA)
Abstract
The invention discloses a production device and a production method for an environment-friendly degradable plastic shopping bag, relates to the technical field of environment-friendly plastic bags, and aims to solve the problem that the existing biodegradable plastic in the prior art can be completely degraded under the combined action of specific temperature, humidity and microorganisms to generate substances such as carbon dioxide, water and the like which are harmless to the environment, and the degradation process of the substances has a certain limit. The coating unit is arranged between the preheating unit and the cooling unit, the top parts of the coating unit, the preheating unit and the cooling unit are all provided with processing platforms, a coating box is arranged above the coating unit, the coating box is connected with the coating unit through screws, a storage stirring tank is arranged at the top part of the coating box, the storage stirring tank is connected with the coating box through a flange, a magnetic control targeting component is arranged on the inner side of the coating box, and the magnetic control targeting component is connected with the storage stirring tank through a pipeline.
Description
Technical Field
The invention relates to the technical field of environment-friendly plastic bags, in particular to a production device and a production method for environment-friendly degradable plastic shopping bags.
Background
The plastic bag has lower recovery value, and has potential hazard besides 'visual pollution' pollution caused by scattering in urban streets, tourist areas, water bodies, roads and railways in the use process. The plastic has stable structure, is not easy to be degraded by natural microorganism and is not separated for a long time in natural environment. This means that if the waste plastic garbage is not recycled, the waste plastic garbage is changed into pollutants in the environment to be permanently stored and continuously accumulated, and the pollutants can cause great harm to the environment, while the environment-friendly plastic bag is short for various biodegradable plastic bags, and various materials capable of replacing the traditional PE plastic, including PLA, PHAs, PBA, PBS and other high polymer materials, appear along with the development of technology. Can replace the traditional PE plastic bags. Environmental protection plastic bags have been widely used: supermarket shopping bags, continuous rolling freshness protection bags, mulching films and the like have large-scale application examples in China.
However, the existing biodegradable plastic can be completely degraded under the conditions of specific temperature, humidity and microorganism combined action to generate substances such as carbon dioxide, water and the like which are harmless to the environment, and the degradation process has certain limit; therefore, the existing requirements are not met, and a production device and a production method for the environment-friendly degradable plastic shopping bag are provided.
Disclosure of Invention
The invention aims to provide a production device and a production method for an environment-friendly degradable plastic shopping bag, which are used for solving the problems that the existing biodegradable plastic provided in the background art can be completely degraded under the combined action of specific temperature, humidity and microorganisms to generate substances such as carbon dioxide, water and the like which are harmless to the environment, and the degradation process has certain limit.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a apparatus for producing for be used for degradable plastics shopping bag of environmental protection, includes coating film unit, preheats unit and cooling unit, the coating film unit sets up between preheating unit and cooling unit, and the top of coating film unit, preheating unit and cooling unit all is provided with processing platform, the top of coating film unit is provided with the coating film seal box, and coating film seal box and coating film unit pass through the screw connection, the top of coating film seal box is provided with the storage agitator tank, and the storage agitator tank passes through flange joint with the coating film seal box, the inboard of coating film seal box is provided with magnetic control targeting subassembly, and magnetic control targeting subassembly passes through pipe connection with the storage agitator tank, the below of magnetic control targeting subassembly is provided with the target face, and is provided with biodegradable film between target face and the magnetic control targeting subassembly.
Preferably, a cathode magnet is arranged at one end inside the target plate surface, and an anode magnet is arranged at one side of the cathode magnet.
Preferably, the biodegradable film comprises a PBAT substrate, wherein a carbonate plating layer is arranged on the outer surface of the PBAT substrate, an inner liner use surface is arranged on the inner side surface of the PBAT substrate, and the carbonate plating layer comprises acid carbonate.
Preferably, the preheating unit comprises an electrically heated hanger bar and the cooling unit comprises a louver grid.
Preferably, the hanging shaft rods are arranged above the wind window grille and the electric heating hanging rods, and the height connecting rods are arranged between the hanging shaft rods and the wind window grille and between the hanging shaft rods and the electric heating hanging rods.
Preferably, the height connecting rod is connected with the wind window grille and the electric heating suspension rod through screws, the height connecting rod is connected with the suspension shaft rod in a sliding mode, the two ends of the suspension shaft rod are provided with assembly lifting frames, and the assembly lifting frames are connected with the suspension shaft rod through screws.
Preferably, one end of the preheating unit is provided with a metal shaft roller, and one end of the cooling unit is provided with a rubber shaft roller.
The production method of the production device for the environment-friendly degradable plastic shopping bag comprises the following steps:
step one: selecting a PBAT material as a production base material of the shopping bag, blow molding the shopping bag by using a blow molding machine, and then drawing the molded biodegradable film onto a metal shaft roller at one end of a preheating unit;
step two: the electric heating suspension rod arranged on the preheating unit is used for carrying out long-distance preheating on the biodegradable film, so that one surface of the biodegradable film is in a semi-colloid state;
step three: transferring the preheated biodegradable film to the inside of a film coating box for magnetic control film coating processing of the outer surface, and attaching acid carbonate particles to the surface of the biodegradable film in a semi-colloid state to form a layer of carbonate coating;
step four: transferring the film-coated film to a rubber shaft roller on a cooling unit, and utilizing a wind window grid on the cooling unit to pump waste heat emitted from the biodegradable film to the surface of the film so as to accelerate the cooling of the film;
step five: the prepared biodegradable film needs to be used by distinguishing the inner surface and the outer surface, wherein the surface with the coating is used as the outer surface of the bag body, and the surface without any processing on the inner side is used as the inner container surface structure of the bag body.
Compared with the prior art, the invention has the beneficial effects that:
1. the invention selects PBAT material as the production base material of shopping bag, blow molding is carried out by using blow molding machine, then the molded biodegradable film is pulled onto a metal shaft roller at one end of a preheating unit, the biodegradable film is preheated in a long distance by an electric heating suspension rod arranged on the preheating unit, one surface of the biodegradable film is in a semi-colloid state, the preheated biodegradable film is transferred into the inside of a film coating sealing box for magnetic control film coating processing of the outer surface, acid carbonate particles are attached to the surface of the semi-colloid biodegradable film to form a layer of carbonate coating, the acid carbonate can be decomposed at normal temperature to generate carbon dioxide gas, thus bacteria in soil can be provided with certain nutrient substances, and the bacteria can accelerate propagation and splitting after absorbing the nutrient, thus the degradation rate of the PBAT base material can be accelerated, and the environmental degradation limit of the PBAT base material can be eliminated;
2. the electric heating suspension rod has the function of ensuring that the film body structure is in a semi-colloid state before plating processing, so that the adhesiveness of carbonate particles can be improved, and the situation of falling and stripping is avoided;
3. the acid carbonate material used in the invention belongs to colorless, nontoxic and odorless materials, and the safety problem of finished products after bag making can not be influenced by the adhesion of the acid carbonate material to the surface of the film body.
Drawings
FIG. 1 is an overall front view of the present invention;
FIG. 2 is a schematic view of the internal structure of the film coating case sealer of the invention;
FIG. 3 is a schematic view of the structure of the biodegradable film according to the present invention.
In the figure: 1. a film plating unit; 2. a preheating unit; 3. a cooling unit; 4. a metal shaft roller; 5. a processing platform; 6. a rubber shaft roller; 7. assembling a lifting frame; 8. suspending the shaft lever; 9. a height link; 10. a louver grille; 11. an electrically heated hanger bar; 12. coating and sealing the box; 13. a storage stirring tank; 14. a magnetically controlled targeting assembly; 15. a biodegradable film; 16. a target plate surface; 17. a cathode magnet; 18. an anode magnet; 19. a PBAT substrate; 20. carbonate plating; 21. the inner container is provided with a using surface.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.
Referring to fig. 1-3, an embodiment of the present invention is provided: the utility model provides a apparatus for producing for environmental protection degradable plastic shopping bag, including coating unit 1, preheat unit 2 and cooling unit 3, coating unit 1 sets up between preheating unit 2 and cooling unit 3, and the top of coating unit 1, preheat unit 2 and cooling unit 3 all is provided with processing platform 5, the top of coating unit 1 is provided with coating film seal box 12, and coating film seal box 12 passes through the screw connection with coating unit 1, the top of coating film seal box 12 is provided with storage agitator tank 13, and storage agitator tank 13 passes through flange joint with coating film seal box 12, the inboard of coating film seal box 12 is provided with magnetic control targeting module 14, and magnetic control targeting module 14 passes through the pipe connection with storage agitator tank 13, the below of magnetic control targeting module 14 is provided with target face 16, and be provided with biological degradation film 15 between target face 16 and the magnetic control targeting module 14, after the blowing processing that utilizes the blowing machine to accomplish biological degradation film 15, move the coating film equipment department to coating film processing, form a carbonate layer on the surface of film body, the sour carbonate belongs to colorless, no toxicity, the problem of attaching to the surface of film body can not smell after the safety problem of the product bag.
Further, a cathode magnet 17 is provided at one end inside the target plate surface 16, and an anode magnet 18 is provided at one side of the cathode magnet 17.
Further, the biodegradable film 15 includes a PBAT substrate 19, a carbonate plating layer 20 is provided on the outer surface of the PBAT substrate 19, and an inner liner use surface 21 is provided on the inner side surface of the PBAT substrate 19, the carbonate plating layer 20 includes acid carbonate, which can decompose to generate carbon dioxide gas at normal temperature, thus providing certain nutrient substances for bacteria in soil, and the bacteria can accelerate propagation and division after absorbing the nutrients, thus accelerating degradation rate of the PBAT substrate 19, and eliminating environmental degradation restriction of the PBAT substrate 19 itself.
Further, the preheating unit 2 comprises an electric heating suspension rod 11, and the cooling unit 3 comprises a louver grid 10, and the electric heating suspension rod 11 is used for guaranteeing that the film structure is in a semi-colloid state before coating processing, so that the adhesiveness of carbonate particles can be improved, and the situation of falling and stripping is avoided.
Further, the hanging shaft rods 8 are arranged above the wind window grille 10 and the electric heating hanging rods 11, and the height connecting rods 9 are arranged between the hanging shaft rods 8 and the wind window grille 10 and between the hanging shaft rods 11.
Further, the height connecting rod 9 is connected with the wind window grille 10 and the electric heating suspension rod 11 through screws, the height connecting rod 9 is connected with the suspension shaft rod 8 in a sliding mode, the two ends of the suspension shaft rod 8 are provided with the assembly lifting frame 7, and the assembly lifting frame 7 is connected with the suspension shaft rod 8 through screws.
Further, one end of the preheating unit 2 is provided with a metal shaft roller 4, the metal shaft roller 4 can prevent the film from adhering to the surface of the shaft roller in the heating process, and one end of the cooling unit 3 is provided with a rubber shaft roller 6.
The production method of the production device for the environment-friendly degradable plastic shopping bag comprises the following steps:
step one: selecting a PBAT material as a production base material of the shopping bag, blow molding the shopping bag by using a blow molding machine, and then drawing the molded biodegradable film 15 onto a metal shaft roller 4 at one end of the preheating unit 2;
step two: the biodegradable film 15 is preheated in a long distance by the electric heating suspension rod 11 arranged on the preheating unit 2, so that one surface of the biodegradable film 15 is in a semi-colloid state;
step three: the preheated biodegradable film 15 is transferred to the inside of the film coating box 12 for magnetic control film coating processing of the outer surface, and acid carbonate particles are attached to the surface of the biodegradable film 15 in a semi-colloid state to form a layer of carbonate coating 20;
step four: the film-coated film is transferred to a rubber shaft roller 6 on a cooling unit 3, and waste heat emitted from the biodegradable film 15 is pumped out of the surface of the film by utilizing a wind window grille 10 on the cooling unit 3, so that the film is cooled quickly;
step five: the prepared biodegradable film 15 needs to be used by distinguishing the inner and outer surfaces, wherein the surface with the coating is used as the outer surface of the bag body, and the surface without any processing on the inner side is used as the inner container surface structure of the bag body.
Working principle: when the plastic bag is used, the PBAT material is selected as a production base material of the shopping bag, the plastic bag is blow molded by a blow molding machine, then the molded biodegradable film 15 is pulled onto the metal shaft roller 4 at one end of the preheating unit 2, the biodegradable film 15 is preheated in a long distance through the electric heating suspension rod 11 arranged on the preheating unit 2, one surface of the biodegradable film 15 is in a semi-colloid state, the preheated biodegradable film 15 is transferred to the inside of the film coating sealing box 12 for magnetic film coating processing of the outer surface, acid carbonate particles are attached to the surface of the biodegradable film 15 in the semi-colloid state, a layer of carbonate coating 20 is formed, the acid carbonate can be decomposed at normal temperature to generate carbon dioxide gas, so that certain nutrients can be provided for bacteria in soil, the bacteria can accelerate propagation and division after absorbing the nutrients, the degradation rate of the PBAT base material 19 can be accelerated, meanwhile, the environmental degradation limit of the PBAT base material 19 can be eliminated, the self-contained biodegradable film is required to be transferred onto the rubber shaft roller 6 on the cooling unit 3 after film coating processing is completed, the window grille 10 on the cooling unit 3 is utilized for diffusing the biodegradable film 15 to be separated from the surface of the inner surface of the film, and the inner surface of the plastic bag is required to be used as a surface of the inner bag, and the inner surface of the inner bag is required to be used for processing of the inner bag.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (6)
1. The utility model provides a apparatus for producing for be used for degradable plastics shopping bag of environmental protection, includes coating film unit (1), preheats unit (2) and cooling unit (3), its characterized in that: the novel magnetic control device comprises a coating unit (1), a preheating unit (2), a cooling unit (3), a processing platform (5), a coating box (12), a storage stirring tank (13), a magnetic control targeting component (14) and a storage stirring tank (13), wherein the coating unit (1) is arranged between the preheating unit (2) and the cooling unit (3), the top of the coating unit (1) is provided with the coating box (12), the coating box (12) is connected with the coating unit (1) through screws, the top of the coating box (12) is provided with the storage stirring tank (13), the storage stirring tank (13) is connected with the coating box (12) through a flange, the inner side of the coating box (12) is provided with the magnetic control targeting component (14), the magnetic control targeting component (14) is connected with the storage stirring tank (13) through a pipeline, the lower part of the magnetic control targeting component (14) is provided with a target plate surface (16), and a biodegradable film (15) is arranged between the target plate surface (16) and the magnetic control targeting component (14); a cathode magnet (17) is arranged at one end inside the target plate surface (16), and an anode magnet (18) is arranged at one side of the cathode magnet (17); the biodegradable film (15) comprises a PBAT substrate (19), wherein a carbonate plating layer (20) is arranged on the outer surface of the PBAT substrate (19), an inner container using surface (21) is arranged on the inner side surface of the PBAT substrate (19), and the carbonate plating layer (20) comprises acid carbonate.
2. The production device for the environment-friendly degradable plastic shopping bag as claimed in claim 1, wherein: the preheating unit (2) comprises an electrically heated suspension bar (11), and the cooling unit (3) comprises a louver grid (10).
3. The production device for the environment-friendly degradable plastic shopping bag as claimed in claim 2, wherein: the wind window grille (10) and the electric heating suspension rod (11) are provided with a suspension shaft lever (8), and a height connecting rod (9) is arranged between the suspension shaft lever (8) and the wind window grille (10) and the electric heating suspension rod (11).
4. A production device for environmentally friendly degradable plastic shopping bags according to claim 3, wherein: the height connecting rod (9) is connected with the wind window grille (10) and the electric heating suspension rod (11) through screws, the height connecting rod (9) is connected with the suspension shaft rod (8) in a sliding mode, the two ends of the suspension shaft rod (8) are provided with the assembly lifting frame (7), and the assembly lifting frame (7) is connected with the suspension shaft rod (8) through screws.
5. The production device for the environment-friendly degradable plastic shopping bag as claimed in claim 1, wherein: one end of the preheating unit (2) is provided with a metal shaft roller (4), and one end of the cooling unit (3) is provided with a rubber shaft roller (6).
6. A production method of a production device for an environment-friendly degradable plastic shopping bag based on the production device for an environment-friendly degradable plastic shopping bag according to any one of claims 1 to 5, wherein the production method comprises the following steps:
step one: selecting a PBAT material as a production base material of the shopping bag, blow molding the shopping bag by using a blow molding machine, and then pulling the molded PBAT base material (19) into a metal shaft roller (4) at one end of a preheating unit (2);
step two: the PBAT base material (19) is preheated in a long distance through an electric heating suspension rod (11) arranged on the preheating unit (2), so that one surface of the PBAT base material (19) is in a semi-colloid state;
step three: transferring the preheated PBAT substrate (19) to the inside of a coating sealing box (12) for magnetic control coating processing of the outer surface, and attaching acid carbonate particles to the surface of the PBAT substrate (19) in a semi-colloid state to form a carbonate coating layer (20) to obtain a biodegradable film (15);
step four: the film is required to be moved to a rubber shaft roller (6) on a cooling unit (3) after film coating processing is completed, and waste heat emitted from the inside of a biodegradable film (15) is pumped out of the surface of the film by utilizing a wind window grid (10) on the cooling unit (3) to accelerate cooling of the film;
step five: the prepared biodegradable film (15) needs to be used by distinguishing the inner surface from the outer surface, wherein the surface with the coating is used as the outer surface of the bag body, and the surface without any processing on the inner side is used as the inner container surface structure of the bag body.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111383459.0A CN113878847B (en) | 2021-11-22 | 2021-11-22 | Production device and production method for environment-friendly degradable plastic shopping bag |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111383459.0A CN113878847B (en) | 2021-11-22 | 2021-11-22 | Production device and production method for environment-friendly degradable plastic shopping bag |
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| CN113878847A CN113878847A (en) | 2022-01-04 |
| CN113878847B true CN113878847B (en) | 2023-09-12 |
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| CN115107210B (en) * | 2022-06-24 | 2024-03-12 | 安徽精一门科技发展有限公司 | Antibacterial ultraviolet-proof car cover film casting extrusion equipment and process thereof |
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| JP2003013391A (en) * | 2001-06-26 | 2003-01-15 | Toppan Printing Co Ltd | Biodegradable paper sheet and paper container |
| JP2007269024A (en) * | 2007-03-28 | 2007-10-18 | Semiconductor Energy Lab Co Ltd | Recording medium and substrate |
| EP2218653A1 (en) * | 2009-02-17 | 2010-08-18 | Uwe Wons | Biodegradable packaging and method for its manufacture |
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| CN112980153A (en) * | 2021-03-01 | 2021-06-18 | 北京惠林苑生物科技有限公司 | Full-biodegradable plastic mulching film and preparation method and application thereof |
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2021
- 2021-11-22 CN CN202111383459.0A patent/CN113878847B/en active Active
Patent Citations (6)
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|---|---|---|---|---|
| JP2003013391A (en) * | 2001-06-26 | 2003-01-15 | Toppan Printing Co Ltd | Biodegradable paper sheet and paper container |
| JP2007269024A (en) * | 2007-03-28 | 2007-10-18 | Semiconductor Energy Lab Co Ltd | Recording medium and substrate |
| EP2218653A1 (en) * | 2009-02-17 | 2010-08-18 | Uwe Wons | Biodegradable packaging and method for its manufacture |
| CN107419222A (en) * | 2016-05-24 | 2017-12-01 | 赵宽 | A kind of laser deposition micro-nano granules plate silicon fiml device |
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