CN111571974A - Novel extrusion molding process and application thereof in production of packaging boxes - Google Patents

Novel extrusion molding process and application thereof in production of packaging boxes Download PDF

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Publication number
CN111571974A
CN111571974A CN202010457469.3A CN202010457469A CN111571974A CN 111571974 A CN111571974 A CN 111571974A CN 202010457469 A CN202010457469 A CN 202010457469A CN 111571974 A CN111571974 A CN 111571974A
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Prior art keywords
extrusion molding
percent
box
novel extrusion
traction
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Pending
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CN202010457469.3A
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Chinese (zh)
Inventor
施振铭
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Shishi Jinhe Packaging Technology Co ltd
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Shishi Jinhe Packaging Technology Co ltd
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Priority to CN202010457469.3A priority Critical patent/CN111571974A/en
Publication of CN111571974A publication Critical patent/CN111571974A/en
Pending legal-status Critical Current

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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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/001—Combinations of extrusion moulding with other shaping operations
    • B29C48/0022—Combinations of extrusion moulding with other shaping operations combined with cutting
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/025—General arrangement or layout of plant
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
    • B29C48/885—External treatment, e.g. by using air rings for cooling tubular films
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
    • B29C48/90—Thermal treatment of the stream of extruded material, e.g. cooling with calibration or sizing, i.e. combined with fixing or setting of the final dimensions of the extruded article
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
    • B29C48/911—Cooling
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L101/00—Compositions of unspecified macromolecular compounds
    • 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
    • B29L2031/7162—Boxes, cartons, cases
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/24—Acids; Salts thereof
    • C08K3/26—Carbonates; Bicarbonates
    • C08K2003/265—Calcium, strontium or barium carbonate
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/14—Polymer mixtures characterised by other features containing polymeric additives characterised by shape
    • C08L2205/16—Fibres; Fibrils

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

The invention relates to the field of packaging box preparation, in particular to a novel extrusion molding process and application thereof in packaging box production, wherein the process comprises the following steps: the preliminary treatment, it is reinforced, the design, the cooling, draw, cut off, the extrusion molding material that produces through above-mentioned extrusion molding technology forms the main part of box body, the upper and lower apron and the interior annex combination that rethread processing was accomplished form packing carton overall structure, can form complete packing carton through mounting the paper on the box body again, it is easy to adopt this technology to apply in packing carton preparation field manufacturing, low cost, but serialization production efficiency is high, product volume production efficiency is greater than the mounting box of cardboard far away, also than moulding plastics and stamping forming's packing box type is efficient a lot of.

Description

Novel extrusion molding process and application thereof in production of packaging boxes
Technical Field
The invention relates to the field of packaging box preparation, in particular to a novel extrusion molding process and application thereof in packaging box production.
Background
Along with the development of the packaging industry, the application of the packaging box in daily life of people is more and more extensive, the development of the packaging box is also rapidly promoted, and the packaging box is more and more mature in the manufacturing process of the box and the exquisite and precise degree of printing.
At first, paper box packaging is mostly adopted as a mainstream product in the industry at present, the paper box packaging is made of paperboard as a framework, printing face paper is pasted on the surface of the paperboard, paperboard is used as a box body framework, and the paperboard is pasted and formed through glue and the like.
Secondly, with the development of industrialization in these years, some packaging boxes formed by injection molding of plastics and stamping of metal plates also begin to appear in the field of packaging, and although the packaging boxes can obtain good molding effects such as curved surface and arc surface molding by injection molding of plastics or stamping of metal plates, because of the nature of the process, large-scale development and die cost is required, compared with a cardboard box process, the development flexibility is poor, the investment cost is high, and the development cycle is long.
Therefore, how to solve the existing problems of the packaging box in the packaging industry becomes a breakthrough sought by the whole industry.
Disclosure of Invention
The invention aims to solve the technical problems and provides a novel extrusion molding process which is low in cost, high in efficiency, high in equipment automation degree and easy to control, and application of the novel extrusion molding process in production of packaging boxes.
In order to solve the technical problems, the invention provides a novel extrusion molding process, which comprises an extruder, a shaping device, a cooling device, a traction device and a cutting device, and the process comprises the following steps:
a. pretreatment: preheating and drying the powdery or granular thermoplastic plastics, heating the extruder, and adding the preheated and dried powdery or granular thermoplastic plastics into the extruder;
b. feeding: adding calcium carbonate, a lubricant, wood powder, a coupling agent, talcum powder, graphite flame-retardant powder particles and a color master batch into an extruder, fully stirring and mixing, and extruding to obtain a plasticized material;
c. shaping: sending the extruded plasticized material into a shaping device for vacuum shaping to obtain a shaped material;
d. and (3) cooling: sending the setting material into a cooling device for cooling;
e. traction: feeding the cooled material into a traction device for traction;
f. cutting: and (4) feeding the material obtained by traction to a cutting device, and cutting according to the standard to obtain an extrusion molding product.
Preferably, the shaping device is a vacuum shaping device, and the cooling device is a cooling water tank.
Preferably, the mass ratio of each component is as follows: 30 to 35 percent of powdery or granular thermoplastic plastic, 40 to 60 percent of calcium carbonate, 0.5 to 1.5 percent of lubricant, 5 to 10 percent of wood powder, 1 to 3 percent of coupling agent, 3 to 8 percent of talcum powder, 2.5 to 5 percent of graphite flame-retardant powder and 1 to 1.5 percent of color master batch.
Preferably, the mass ratio of each component is as follows: 33% of powdery or granular thermoplastic plastic, 50% of calcium carbonate, 1.5% of lubricant, 5% of wood powder, 2% of coupling agent, 5% of talcum powder, 2.5% of graphite flame-retardant powder particles and 1% of color master batch.
Preferably, the tubular plasticized material extruded in step b includes cylindrical, rectangular, n-shaped and triangular prism-shaped plasticized materials.
Still provide the application of a novel extrusion molding technology in packing carton production, the extrusion molding material that produces through above-mentioned extrusion molding technology forms packing carton overall structure as the main body part of box body, and upper and lower apron and the interior trim annex combination that rethread processing was accomplished can form complete packing carton through mounting paper on the box body again.
Preferably, a knob accessory is added, and the knob accessory is matched with the upper cover plate to increase the functionality of the packing box.
Preferably, a turnover cover is added, and the turnover cover is matched with the box body to increase the functionality of the packing box.
Preferably, a sliding cover is added, and the sliding cover is matched with the box body to increase the functionality of the packaging box.
By adopting the technical scheme, the invention has the beneficial effects that:
on the main body framework of the packaging box, by adopting the extrusion molding process, the comprehensive problems that the paper product has single shape, the product is too sharp, the development period is long by using the injection molding and sheet metal processes, and the development input cost is high in the current packaging box industry are well solved, and the purposes of reducing parts, saving cost and improving efficiency can be achieved by designing some ingenious plastic extrusion shapes.
Drawings
FIG. 1 is a schematic flow chart of the present invention application;
FIG. 2 is a schematic diagram of a product according to a first embodiment of the present invention;
FIG. 3 is a schematic view of a product according to a second embodiment of the present invention;
FIG. 4 is a schematic view of a third embodiment of the present invention;
fig. 5 is a schematic diagram of a product according to a third embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to specific embodiments below:
the first embodiment is as follows:
the invention provides a novel extrusion molding process, which comprises an extruder, a vacuum shaping device, a cooling water tank, a traction device and a cutting device, and the process comprises the following steps:
a. pretreatment: preheating and drying the powdery or granular thermoplastic plastics, heating the extruder, and adding the preheated and dried powdery or granular thermoplastic plastics into the extruder;
b. feeding: adding calcium carbonate, a lubricant, wood powder, a coupling agent, talcum powder, graphite flame-retardant powder particles and a color master batch into an extruder, fully stirring and mixing, and extruding to obtain a plasticized material;
the mass ratio of each component is as follows: 33% of powdery or granular thermoplastic plastic, 50% of calcium carbonate, 1.5% of lubricant, 5% of wood powder, 2% of coupling agent, 5% of talcum powder, 2.5% of graphite flame-retardant powder and 1% of color master batch;
c. shaping: sending the extruded plasticized material into a shaping device for vacuum shaping to obtain a shaped material;
d. and (3) cooling: sending the setting material into a cooling device for cooling;
e. traction: feeding the cooled material into a traction device for traction;
f. cutting: and (4) feeding the material obtained by traction to a cutting device, and cutting according to the standard to obtain an extrusion molding product.
As shown in fig. 2:
the cuboid extrusion molding material that produces through above-mentioned extrusion molding process forms packing carton overall structure as the main part of box body, and the combination of upper and lower apron and the interior trim annex that rethread processing was accomplished can form complete packing carton through mounting paper on the box body again.
Example two:
the invention provides a novel extrusion molding process, which comprises an extruder, a vacuum shaping device, a cooling water tank, a traction device and a cutting device, and the process comprises the following steps:
a. pretreatment: preheating and drying the powdery or granular thermoplastic plastics, heating the extruder, and adding the preheated and dried powdery or granular thermoplastic plastics into the extruder;
b. feeding: adding calcium carbonate, a lubricant, wood powder, a coupling agent, talcum powder, graphite flame-retardant powder particles and a color master batch into an extruder, fully stirring and mixing, and extruding to obtain a cuboid plasticized material, wherein:
the mass ratio of each component is as follows: 33% of powdery or granular thermoplastic plastic, 50% of calcium carbonate, 1.5% of lubricant, 5% of wood powder, 2% of coupling agent, 5% of talcum powder, 2.5% of graphite flame-retardant powder and 1% of color master batch;
c. shaping: sending the extruded plasticized material into a shaping device for vacuum shaping to obtain a shaped material;
d. and (3) cooling: sending the setting material into a cooling device for cooling;
e. traction: feeding the cooled material into a traction device for traction;
f. cutting: and (4) feeding the material obtained by traction to a cutting device, and cutting according to the standard to obtain an extrusion molding product.
As shown in fig. 3:
the cuboid extrusion molding material that produces through above-mentioned extrusion molding process forms packing carton overall structure as the main part of box body, and the upper and lower apron and the interior trim annex combination that rethread processing was accomplished have still increased the knob accessory, and the cooperation of knob accessory and upper cover plate has increased the functional of packing carton, and the rethread is at box body facial make-up paper and can form complete packing carton.
Example three:
the invention provides a novel extrusion molding process, which comprises an extruder, a vacuum shaping device, a cooling water tank, a traction device and a cutting device, and the process comprises the following steps:
a. pretreatment: preheating and drying the powdery or granular thermoplastic plastics, heating the extruder, and adding the preheated and dried powdery or granular thermoplastic plastics into the extruder;
b. feeding: adding calcium carbonate, a lubricant, wood powder, a coupling agent, talcum powder, graphite flame-retardant powder particles and a color master batch into an extruder, fully stirring and mixing, and extruding to respectively obtain the inverted U-shaped extrusion molding materials, wherein:
the mass ratio of each component is as follows: 33% of powdery or granular thermoplastic plastic, 50% of calcium carbonate, 1.5% of lubricant, 5% of wood powder, 2% of coupling agent, 5% of talcum powder, 2.5% of graphite flame-retardant powder and 1% of color master batch;
c. shaping: sending the extruded plasticized material into a shaping device for vacuum shaping to obtain a shaped material;
d. and (3) cooling: sending the setting material into a cooling device for cooling;
e. traction: feeding the cooled material into a traction device for traction;
f. cutting: and (4) feeding the material obtained by traction to a cutting device, and cutting according to the standard to obtain an extrusion molding product.
As shown in fig. 4:
the plastic extruding material and the flip cover which are produced by the plastic extruding process are used as main body parts of the box body, the upper cover plate, the lower cover plate and the interior accessory which are processed form the whole structure of the packing box, the plastic extruding material and the flip cover are matched to increase the functionality of the packing box, and the packing box can be completely formed by mounting the paper on the box body.
Example four:
the invention provides a novel extrusion molding process, which comprises an extruder, a vacuum shaping device, a cooling water tank, a traction device and a cutting device, and the process comprises the following steps:
a. pretreatment: preheating and drying the powdery or granular thermoplastic plastics, heating the extruder, and adding the preheated and dried powdery or granular thermoplastic plastics into the extruder;
b. feeding: adding calcium carbonate, a lubricant, wood powder, a coupling agent, talcum powder, graphite flame-retardant powder particles and a color master batch into an extruder, fully stirring and mixing, and extruding to respectively obtain the inverted U-shaped extrusion molding materials, wherein:
the mass ratio of each component is as follows: 33% of powdery or granular thermoplastic plastic, 50% of calcium carbonate, 1.5% of lubricant, 5% of wood powder, 2% of coupling agent, 5% of talcum powder, 2.5% of graphite flame-retardant powder and 1% of color master batch;
c. shaping: sending the extruded plasticized material into a shaping device for vacuum shaping to obtain a shaped material;
d. and (3) cooling: sending the setting material into a cooling device for cooling;
e. traction: feeding the cooled material into a traction device for traction;
f. cutting: and (4) feeding the material obtained by traction to a cutting device, and cutting according to the standard to obtain an extrusion molding product.
As shown in fig. 5:
the U-shaped extrusion molding material and the sliding cover produced by the extrusion molding process are used as the main body part of the box body, the upper cover plate, the lower cover plate and the interior accessory which are processed form the whole structure of the packing box, the extrusion molding material and the sliding cover are matched to increase the functionality of the packing box, and the complete packing box can be formed by mounting the mounting paper on the box body.
The present invention has been described in detail with reference to the specific embodiments, but these should not be construed as limitations of the present invention, and many modifications and improvements can be made by those skilled in the art without departing from the principle of the present invention, which should also be construed as the protection scope of the present invention.

Claims (9)

1. The utility model provides a novel extrusion molding technology, its characterized in that, including extruder, setting device, cooling device, draw gear and cutting device, this technology includes following step:
a. pretreatment: preheating and drying the powdery or granular thermoplastic plastics, heating the extruder, and adding the preheated and dried powdery or granular thermoplastic plastics into the extruder;
b. feeding: adding calcium carbonate, a lubricant, wood powder, a coupling agent, talcum powder, graphite flame-retardant powder particles and a color master batch into an extruder, fully stirring and mixing, and extruding to obtain a plasticized material;
c. shaping: sending the extruded plasticized material into a shaping device for vacuum shaping to obtain a shaped material;
d. and (3) cooling: sending the setting material into a cooling device for cooling;
e. traction: feeding the cooled material into a traction device for traction;
f. cutting: and (4) feeding the material obtained by traction to a cutting device, and cutting according to the standard to obtain an extrusion molding product.
2. A novel extrusion process according to claim 1, characterized in that: the shaping device is a vacuum shaping device, and the cooling device is a cooling water tank.
3. A novel extrusion process according to claim 1, characterized in that: the mass ratio of each component is as follows: 30 to 35 percent of powdery or granular thermoplastic plastic, 40 to 60 percent of calcium carbonate, 0.5 to 1.5 percent of lubricant, 5 to 10 percent of wood powder, 1 to 3 percent of coupling agent, 3 to 8 percent of talcum powder, 2.5 to 5 percent of graphite flame-retardant powder and 1 to 1.5 percent of color master batch.
4. A novel extrusion process according to claim 3, wherein: the mass ratio of each component is as follows: 33% of powdery or granular thermoplastic plastic, 50% of calcium carbonate, 1.5% of lubricant, 5% of wood powder, 2% of coupling agent, 5% of talcum powder, 2.5% of graphite flame-retardant powder particles and 1% of color master batch.
5. A novel extrusion process according to claim 3, wherein: the tubular plasticized material extruded in the step b comprises cylindrical, cuboid-shaped, inverse-U-shaped and triangular prism-shaped plasticized materials.
6. Use of a novel extrusion process in the production of packages according to claims 1-5, characterised in that: the extrusion molding material that produces through above-mentioned extrusion molding technology forms packing carton overall structure as the main part of box body, and the combination of upper and lower apron and the interior trim annex that rethread processing was accomplished can form complete packing carton through mounting paper on the box body again.
7. The application of the novel extrusion molding process in the production of the packaging box is characterized in that: the knob accessory is also added and is matched with the upper cover plate so as to increase the functionality of the packing box.
8. The application of the novel extrusion molding process in the production of the packaging box is characterized in that: the extrusion molding flip cover is also added, and the flip cover is matched with the box body to increase the functionality of the packaging box.
9. The application of the novel extrusion molding process in the production of the packaging box is characterized in that: the extrusion molding sliding cover is additionally arranged, and the sliding cover is matched with the box body to increase the functionality of the packaging box.
CN202010457469.3A 2020-05-26 2020-05-26 Novel extrusion molding process and application thereof in production of packaging boxes Pending CN111571974A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010457469.3A CN111571974A (en) 2020-05-26 2020-05-26 Novel extrusion molding process and application thereof in production of packaging boxes

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010457469.3A CN111571974A (en) 2020-05-26 2020-05-26 Novel extrusion molding process and application thereof in production of packaging boxes

Publications (1)

Publication Number Publication Date
CN111571974A true CN111571974A (en) 2020-08-25

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Application Number Title Priority Date Filing Date
CN202010457469.3A Pending CN111571974A (en) 2020-05-26 2020-05-26 Novel extrusion molding process and application thereof in production of packaging boxes

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Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101995190A (en) * 2009-08-31 2011-03-30 浏阳市东信烟花集团有限公司 Method for manufacturing firework display shell launch barrel by adopting high-density polyethylene (HDPE)
CN104927386A (en) * 2015-06-24 2015-09-23 潘秀娟 Wood plastic material production process

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101995190A (en) * 2009-08-31 2011-03-30 浏阳市东信烟花集团有限公司 Method for manufacturing firework display shell launch barrel by adopting high-density polyethylene (HDPE)
CN104927386A (en) * 2015-06-24 2015-09-23 潘秀娟 Wood plastic material production process

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Application publication date: 20200825

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