CN115897273B - A forming process for double-layer injection pulp molding products - Google Patents
A forming process for double-layer injection pulp molding products Download PDFInfo
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- CN115897273B CN115897273B CN202211432979.0A CN202211432979A CN115897273B CN 115897273 B CN115897273 B CN 115897273B CN 202211432979 A CN202211432979 A CN 202211432979A CN 115897273 B CN115897273 B CN 115897273B
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- 238000000034 method Methods 0.000 title claims abstract description 48
- 238000000465 moulding Methods 0.000 title claims abstract description 41
- 238000002347 injection Methods 0.000 title 1
- 239000007924 injection Substances 0.000 title 1
- 239000000463 material Substances 0.000 claims abstract description 94
- 238000004537 pulping Methods 0.000 claims abstract description 31
- 238000001035 drying Methods 0.000 claims abstract description 22
- 239000002699 waste material Substances 0.000 claims abstract description 8
- 238000005303 weighing Methods 0.000 claims description 20
- 229920001131 Pulp (paper) Polymers 0.000 claims description 12
- 238000007731 hot pressing Methods 0.000 claims description 10
- 239000010893 paper waste Substances 0.000 claims description 10
- 239000002002 slurry Substances 0.000 claims description 10
- 238000002156 mixing Methods 0.000 claims description 9
- 238000004140 cleaning Methods 0.000 claims description 8
- 238000003756 stirring Methods 0.000 claims description 6
- 238000009966 trimming Methods 0.000 claims description 6
- 238000005520 cutting process Methods 0.000 claims description 3
- 238000011049 filling Methods 0.000 claims description 3
- 239000012535 impurity Substances 0.000 claims description 3
- 238000002791 soaking Methods 0.000 claims description 3
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 2
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 2
- 241001330002 Bambuseae Species 0.000 claims description 2
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 2
- 239000011425 bamboo Substances 0.000 claims description 2
- 239000003795 chemical substances by application Substances 0.000 claims description 2
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N iron oxide Inorganic materials [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 claims description 2
- NDLPOXTZKUMGOV-UHFFFAOYSA-N oxo(oxoferriooxy)iron hydrate Chemical compound O.O=[Fe]O[Fe]=O NDLPOXTZKUMGOV-UHFFFAOYSA-N 0.000 claims description 2
- 239000003755 preservative agent Substances 0.000 claims description 2
- 230000002335 preservative effect Effects 0.000 claims description 2
- 239000001038 titanium pigment Substances 0.000 claims 1
- 238000004078 waterproofing Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 6
- 238000002360 preparation method Methods 0.000 abstract description 2
- 239000010410 layer Substances 0.000 description 9
- 239000002355 dual-layer Substances 0.000 description 3
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 239000002356 single layer Substances 0.000 description 2
- 238000000967 suction filtration Methods 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000003856 thermoforming Methods 0.000 description 1
- 239000004408 titanium dioxide Substances 0.000 description 1
Classifications
-
- 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
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/64—Paper recycling
Landscapes
- Dry Formation Of Fiberboard And The Like (AREA)
- Paper (AREA)
Abstract
The invention provides a molding process of a double-layer grouting pulp molding product, which belongs to the field of pulp molding products, the molding process of the double-layer grouting pulp molded product comprises the specific steps of waste material collection, waste material crushing, pulping, pulp preparation, grouting, drying and hot press molding. The invention provides a reasonable molding process, through drying the material after the first grouting in the processing process and then carrying out the secondary grouting, the grouting effect of the secondary grouting is conveniently improved in use, the pulp molding quality is conveniently improved, the auxiliary materials are weighed in the pulp process, and then the weighed materials are injected into the pulp equipment, so that the pulp of the first grouting and the pulp of the second grouting are conveniently and respectively processed in the using process, and the proportioning control work is conveniently performed in the processing process.
Description
Technical Field
The invention belongs to the technical field of pulp molded products, and particularly relates to a molding process of a double-layer grouting pulp molded product.
Background
Most of pulp molded products at home and abroad are produced by adopting a single-layer pulp and one-step molding traditional suction filtration process, pulp boards, plant fibers, waste paper boards and mixtures thereof are used as raw materials, pulp is pulped, then a mould is immersed into a pulp tank to be formed into wet blanks through vacuum suction filtration molding, and single-layer pulp molded products with only one pulp fiber are produced after hot pressing shaping and drying, so that a double-layer grouting process is designed for improving the pulp molded products.
However, the existing molding process of the double-layer grouting pulp molding product has the problems that the proportioning control work is inconvenient in the using process, the batch processing is inconvenient in the using process, and the secondary grouting effect is improved in the inconvenient using process.
Therefore, it is necessary to develop a molding process for a dual-layer grouting pulp molded product.
Disclosure of Invention
In order to solve the technical problems, the invention provides a molding process of a double-layer grouting pulp molded product, which solves the problems that the prior molding process of the double-layer grouting pulp molded product is inconvenient to carry out proportioning control work in the using process, is inconvenient to carry out batch processing in the using process and improves the secondary grouting effect in the inconvenient using process, and specifically comprises the following steps:
Collecting waste materials, namely waste paper and other materials needed for processing paper pulp;
step two, crushing the waste, selecting proper crushing equipment, and putting the collected waste paper and other materials into the crushing equipment for crushing;
Pulping, namely placing the crushed material into pulping equipment to perform pulping;
in the third step, the pulp is made,
A first step of selecting a proper pulp processing device according to the pulp to be processed;
secondly, weighing the materials, selecting proper weighing equipment, and weighing the materials used in processing;
Thirdly, filling materials, and injecting the weighed materials into pulp processing equipment to process pulp;
Fourthly, processing, wherein in the pulp processing process, cleaning impurities floating on the surface of the pulp by using cleaning equipment;
Step four, pulping, namely adding materials used for pulping into pulping equipment one by one in the pulping process, and performing pulping work;
in the fourth step, the slurry is prepared,
Firstly, batching, and selecting proper auxiliary materials according to the type of processed products and the use environment;
Secondly, weighing, namely weighing auxiliary materials to be added by using a weighing tool;
Thirdly, adding the weighed materials into pulping equipment in sequence;
fourthly, mixing, namely stirring and mixing the paper pulp added with the auxiliary materials by using stirring and mixing equipment;
grouting, namely selecting a proper grouting mould to perform grouting after the slurry is prepared;
In the fifth step, the slurry is injected,
Firstly, selecting a die, and selecting a proper die according to a product to be processed;
Fixing the mould, fixing the selected mould, and cleaning the interior of the selected mould;
Thirdly, grouting is carried out, and then a grouting tool is used for carrying out primary grouting;
fourthly, drying, namely drying the product subjected to primary grouting, and putting the dried product into a proper mold;
Fifthly, performing secondary grouting, namely soaking the collected waste paper materials to form crushed pulp, and performing secondary grouting through grouting equipment;
Step six, drying, namely selecting proper drying equipment to carry out drying work after grouting the mould;
Step seven, hot press molding, namely selecting proper hot press molding equipment to perform hot press molding operation after drying molding;
in the seventh step, the hot press molding is performed,
Firstly, aligning materials, namely finishing the dried materials, and aligning the materials;
Secondly, fixing the materials, fixing the finished materials, and moving the materials to a proper position;
Thirdly, selecting equipment, selecting proper hot press forming equipment according to the use environment required, and fixing the dried material at a proper position of the hot press forming equipment;
Fourthly, hot pressing is carried out, after the materials are fixed, hot pressing equipment is enabled to work, and hot pressing forming work is carried out on the materials;
And fifthly, forming and trimming, namely trimming and cutting the material after hot press forming, and then moving the formed material to a proper position for use, so as to finish the forming work.
Compared with the prior art, the molding process of the double-layer grouting paper pulp molded product has the following beneficial effects that the molding process of the double-layer grouting paper pulp molded product is widely applied to the molding process field of molded products. The invention provides a reasonable forming process, the material after the first grouting is dried in the process of processing, then the secondary grouting is performed, the grouting effect of the secondary grouting is improved in use, the pulp molding quality is improved conveniently, meanwhile, the batch hot press forming work is performed on the material after finishing in the process of use, the batch processing is convenient in the process of processing, the auxiliary material is weighed in the process of pulp, then the weighed material is injected into the equipment of the pulp, the pulp of the first grouting and the pulp of the second grouting are processed respectively in the process of use, and the proportioning control work is convenient in the process of processing.
Drawings
FIG. 1 is a flow chart of a molding process for a dual layer pulp-injected molded article.
Fig. 2 is a pulping flow diagram.
Fig. 3 is a flow chart of the slurry preparation.
Fig. 4 is a grouting flow chart.
Fig. 5 is a flow chart of the thermoforming.
Fig. 6 is a schematic of a dual layer grouting pulp molded article.
Detailed Description
The invention is further described below with reference to the accompanying drawings:
In the figure:
as shown in fig. 1 to 5
The molding process of the double-layer grouting pulp molded product specifically comprises the following steps:
S101, collecting waste materials, waste paper and other materials needed for processing paper pulp;
s102, crushing the waste, selecting proper crushing equipment, and putting the collected waste paper and other materials into the crushing equipment for crushing;
s103, pulping, namely placing the crushed material into pulping equipment to perform pulping;
In S103, the pulp is made,
S301, selecting equipment, namely selecting proper pulp processing equipment according to pulp to be processed;
S302, weighing materials, selecting proper weighing equipment, and weighing the materials used in processing;
S303, filling materials, namely injecting the weighed materials into pulp processing equipment to process pulp;
S304, processing, wherein impurities floating on the surface of the paper pulp are cleaned by cleaning equipment in the paper pulp processing process;
S104, pulping, namely adding materials used for pulping into pulping equipment one by one in the pulping process, and performing pulping work;
In S104, the slurry is prepared,
S401, batching, and selecting proper auxiliary materials according to the type of processed products and the use environment;
s402, weighing, namely weighing auxiliary materials to be added by using a weighing tool;
S403, adding, namely sequentially adding the weighed materials into pulping equipment;
S404, mixing, namely stirring and mixing the paper pulp added with auxiliary materials by using stirring and mixing equipment;
s105, grouting, namely selecting a proper grouting mould to perform grouting after the slurry is prepared;
in S105, the slurry is injected,
S501, selecting a mold, and selecting a proper mold according to a product to be processed;
S502, fixing the die, fixing the selected die, and cleaning the interior of the selected die;
s503, grouting is carried out, and then a grouting tool is used for carrying out primary grouting work;
s504, drying, namely drying the product subjected to primary grouting, and putting the dried product into a proper mold;
S505, performing secondary grouting, namely soaking the collected waste paper materials to form crushed pulp, and performing secondary grouting through grouting equipment;
s106, drying, namely selecting proper drying equipment to perform drying work after grouting the mould;
s107, hot press molding, namely selecting proper hot press molding equipment to perform hot press molding operation after drying molding;
In S107, the hot press molding is performed,
S701, aligning materials, namely finishing the dried materials, and aligning the materials;
S702, fixing materials, fixing the finished materials, and moving the materials to a proper position;
s703, selecting equipment, selecting proper hot press forming equipment according to the use environment required, and fixing the dried material at the proper position of the hot press forming equipment;
s704, performing hot pressing, after fixing the materials, enabling hot pressing equipment to work, and performing hot pressing forming on the materials;
S705, forming and trimming, namely trimming and cutting the material after hot press forming, and then moving the formed material to a proper position for use, thereby completing the forming work.
In the process, in the step four, specifically, auxiliary materials such as bamboo pulp, cane pulp, waterproof agent, preservative, titanium dioxide, ferric oxide and the like are respectively added according to the proportion of 20%, 10%, 5%, 6% and 4% of the use range of the product.
In the process, specifically, in the third step, the fourth step is performed, and the pulping time is set to be 30-50 min.
Examples of the embodiments
In the embodiment 1, in the using process, material collecting work is carried out, the collected materials are placed into a proper smashing device for material smashing work, then the smashed materials are placed into a material buffer device, the smashed materials are weighed through a weighing device, the weighed materials are placed into a paper pulp processing device for processing, in the processing process, auxiliary materials needing to be added are weighed through the weighing device, then the weighed materials are added, a proper mold is selected, grouting work is selected at the same time, processed paper pulp is conveyed into the selected mold for primary grouting work, drying work is carried out after primary grouting, then the dried materials are placed into the proper mold for secondary grouting work, after secondary grouting is completed, the dried materials are taken out, the finished materials are placed into a proper position in the molding device for hot press molding, after finishing, the hot press finishing is carried out, the materials are placed at a proper position after hot press finishing, and the hot press finishing is carried out, and the products are moved to a proper position for molding, and then the products are processed conveniently.
By using the technical scheme of the invention or under the inspired by the technical scheme of the invention, a similar technical scheme is designed by a person skilled in the art, so that the technical effects are achieved, and the technical effects fall into the protection scope of the invention.
Claims (1)
1. The molding process of the double-layer grouting pulp molded product is characterized by specifically comprising the following steps of:
Collecting waste materials, namely waste paper and other materials needed for processing paper pulp;
step two, crushing the waste, selecting proper crushing equipment, and putting the collected waste paper and other materials into the crushing equipment for crushing;
Pulping, namely placing the crushed material into pulping equipment to perform pulping;
in the third step, the pulp is made,
A first step of selecting a proper pulp processing device according to the pulp to be processed;
secondly, weighing the materials, selecting proper weighing equipment, and weighing the materials used in processing;
Thirdly, filling materials, and injecting the weighed materials into pulp processing equipment to process pulp;
Fourthly, processing, wherein in the pulp processing process, cleaning impurities floating on the surface of the pulp by using cleaning equipment;
Step four, pulping, namely adding materials used for pulping into pulping equipment one by one in the pulping process, and performing pulping work;
in the fourth step, the slurry is prepared,
Firstly, batching, and selecting proper auxiliary materials according to the type of processed products and the use environment;
Secondly, weighing, namely weighing auxiliary materials to be added by using a weighing tool;
Thirdly, adding the weighed materials into pulping equipment in sequence;
fourthly, mixing, namely stirring and mixing the paper pulp added with the auxiliary materials by using stirring and mixing equipment;
grouting, namely selecting a proper grouting mould to perform grouting after the slurry is prepared;
In the fifth step, the slurry is injected,
Firstly, selecting a die, and selecting a proper die according to a product to be processed;
Fixing the mould, fixing the selected mould, and cleaning the interior of the selected mould;
Thirdly, grouting is carried out, and then a grouting tool is used for carrying out primary grouting;
fourthly, drying, namely drying the product subjected to primary grouting, and putting the dried product into a proper mold;
Fifthly, performing secondary grouting, namely soaking the collected waste paper materials to form crushed pulp, and performing secondary grouting through grouting equipment;
Step six, drying, namely selecting proper drying equipment to carry out drying work after grouting the mould;
Step seven, hot press molding, namely selecting proper hot press molding equipment to perform hot press molding operation after drying molding;
in the seventh step, the hot press molding is performed,
Firstly, aligning materials, namely finishing the dried materials, and aligning the materials;
Secondly, fixing the materials, fixing the finished materials, and moving the materials to a proper position;
Thirdly, selecting equipment, selecting proper hot press forming equipment according to the use environment required, and fixing the dried material at a proper position of the hot press forming equipment;
Fourthly, hot pressing is carried out, after the materials are fixed, hot pressing equipment is enabled to work, and hot pressing forming work is carried out on the materials;
Fifthly, forming and trimming, namely trimming and cutting the material subjected to hot press forming, and then moving the formed material to a proper position for use, so as to finish the forming work;
In the fourth step, the auxiliary materials such as bamboo pulp, cane pulp, waterproofing agent, preservative, titanium pigment, ferric oxide and the like are respectively added according to the proportion of 20%, 10%, 5%, 6% and 4% according to the application range of the product;
In the third step, the fourth step is performed, and the pulping time is set to be 30-50 min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211432979.0A CN115897273B (en) | 2022-11-16 | 2022-11-16 | A forming process for double-layer injection pulp molding products |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211432979.0A CN115897273B (en) | 2022-11-16 | 2022-11-16 | A forming process for double-layer injection pulp molding products |
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| CN115897273A CN115897273A (en) | 2023-04-04 |
| CN115897273B true CN115897273B (en) | 2025-02-14 |
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| CN202211432979.0A Active CN115897273B (en) | 2022-11-16 | 2022-11-16 | A forming process for double-layer injection pulp molding products |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103711044A (en) * | 2012-09-29 | 2014-04-09 | 林品蓁 | Method of making pulp molded articles |
| CN104499352A (en) * | 2014-12-25 | 2015-04-08 | 江南大学 | Double-layer grouting paper pulp molding product and molding process thereof |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10311000A (en) * | 1997-05-09 | 1998-11-24 | Oji Paper Co Ltd | Pulp mold and manufacturing method thereof |
| CN1195923C (en) * | 2003-02-27 | 2005-04-06 | 朱桂兴 | Paper pulp moulded sheet material and making method thereof |
| CN101082196B (en) * | 2006-06-01 | 2011-08-31 | 徐鲁夫 | Pressure injection forming method for paper standardized product |
| CN102991063B (en) * | 2012-12-24 | 2015-04-22 | 北京印刷学院 | Composite material of pulp molding product and plastic and preparation method thereof |
| CN103290740B (en) * | 2013-06-17 | 2015-08-12 | 北京印刷学院 | A kind of preparation method comprising the moulded paper pulp product that wood chip strengthens |
| CN111608024A (en) * | 2020-06-19 | 2020-09-01 | 韶能集团绿洲生态(新丰)科技有限公司 | Preparation method of double-layer paper pulp molded product |
| CN113308947B (en) * | 2021-06-08 | 2023-05-23 | 永发（河南）模塑科技发展有限公司 | Pulp suction filtration dehydration thermoforming process |
| CN114059390B (en) * | 2021-11-26 | 2024-05-07 | 绿赛可新材料(云南)有限公司 | Pulp molding solid-liquid grading injection pulping process |
| CN114277615B (en) * | 2021-12-31 | 2024-02-27 | 珠海格力智能装备有限公司 | Forming process |
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- 2022-11-16 CN CN202211432979.0A patent/CN115897273B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103711044A (en) * | 2012-09-29 | 2014-04-09 | 林品蓁 | Method of making pulp molded articles |
| CN104499352A (en) * | 2014-12-25 | 2015-04-08 | 江南大学 | Double-layer grouting paper pulp molding product and molding process thereof |
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