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CN106042414A - Automobile inner decoration mold-pressed profile preparation technique through wood fiber double mold pressing method - Google Patents

Automobile inner decoration mold-pressed profile preparation technique through wood fiber double mold pressing method Download PDF

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Publication number
CN106042414A
CN106042414A CN201610361056.9A CN201610361056A CN106042414A CN 106042414 A CN106042414 A CN 106042414A CN 201610361056 A CN201610361056 A CN 201610361056A CN 106042414 A CN106042414 A CN 106042414A
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CN
China
Prior art keywords
wood fiber
automotive trim
pressing
precoated plate
wood
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201610361056.9A
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Chinese (zh)
Inventor
王正
黄志巍
郭文静
常亮
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Individual
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Individual
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Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN201610361056.9A priority Critical patent/CN106042414A/en
Publication of CN106042414A publication Critical patent/CN106042414A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C70/00Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
    • B29C70/04Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
    • B29C70/28Shaping operations therefor
    • B29C70/30Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core
    • B29C70/34Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core and shaping or impregnating by compression, i.e. combined with compressing after the lay-up operation
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C43/00Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
    • B29C43/02Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C70/00Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
    • B29C70/04Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
    • B29C70/28Shaping operations therefor
    • B29C70/54Component parts, details or accessories; Auxiliary operations, e.g. feeding or storage of prepregs or SMC after impregnation or during ageing
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29LINDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00Other particular articles
    • B29L2031/58Upholstery or cushions, e.g. vehicle upholstery or interior padding

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Composite Materials (AREA)
  • Dry Formation Of Fiberboard And The Like (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)

Abstract

The invention discloses an automobile inner decoration mold-pressed profile preparation technique through a wood fiber double mold pressing method. Wood fibers serve as raw materials. The preparation technique comprises the technical steps that mixed gluing is conducted, fiber blanks are formed through laying, plate blanks are subjected to mold pressing at the medium temperature to form moldable prefabricated plates, and the prefabricated plates are subjected to high-temperature and high-pressure secondary pressing formation, and accordingly automobile inner decoration materials are obtained. According to the preparation technique, the low-cost recyclable wood fiber materials are used for manufacturing inner decoration parts of automobiles such as cars, the cost performance of the automobile inner decoration materials is improved easily, the production cost of the automobile inner decoration materials is reduced, high value-added utilization of wood materials is achieved, and low-carbon development of the automobile industry in China is promoted.

Description

A kind of wood fiber secondary mould pressing method prepares automotive trim die-pressing section technique
Technical field
The present invention relates to a kind of automotive interior material, particularly relate to a kind of wood fiber secondary mould pressing method and prepare automotive trim mould Pressure shape technique.
Background technology
That enrich with the wood fiber etc. and reproducible biological material substitutes the petroleum-based plastics system such as polyethylene, polypropylene Product, preparing automotive upholstery is to reduce automotive upholstery production cost, reduces the important of auto industry CO2 emission One of measure.One important directions of Ye Shi China auto Parts Industry development.But, owing to the wood fiber is chopped fiber material Material, its ductility is poor, it is difficult to form high-quality automotive trim pressing.Therefore, how by wood poor for ductility Fibrous material makes that to have the automotive trim molded product of certain embossing depth be one of the key technology that have to solve.
Summary of the invention
The purpose of the present invention: provide a kind of wood fiber secondary mould pressing method to prepare automotive trim die-pressing section technique, fine with wood Dimension for raw material, by mixing application, mats formation into temperature and pressure system in base, slab, is formed and has the pre-of certain moldable property and ductility Making sheet;This precoated plate through technical processs such as High Temperature High Pressure secondary mould pressing molding, makes automotive trim die-pressing section again.
To achieve these goals, the technical scheme is that
A kind of wood fiber secondary mould pressing method prepares automotive trim die-pressing section technique, and this technique at least comprises the steps:
Step 1: the wood chip being whittled into by timber is prepared as the wood fiber.
Step 2: with the wood fiber as raw material, it is that the wood fiber is solid that the wood fiber carries out mix and blend, uniform applying glue, and resin added The 15%-40% of body burden.
Step 3: by pneumatic conveying drying, the wood fiber after applying glue carried out preliminarily dried, and be paved into fibre by a spreading machine Dimension slab.
Step 4: described fibre mat, by middle temperature and pressure system, is formed and makes moldable precoated plate.
Step 5: described moldable precoated plate, through the compressing technical process of High Temperature High Pressure secondary, is made in car Decorations die-pressing section.
Above-mentioned wood fiber secondary mould pressing method prepares automotive trim die-pressing section technique, and wherein, the described wood fiber is logical Cross the wood fiber of different draw ratios prepared by Defibrating Technology.
Above-mentioned wood fiber secondary mould pressing method prepares automotive trim die-pressing section technique, wherein, mixing of the described wood fiber Close applying glue by glue sprayer and glue mixer applying glue.
Above-mentioned wood fiber secondary mould pressing method prepares automotive trim die-pressing section technique, wherein, described mixing application institute Adhesive be any one or any two kinds or many in phenolic aldehyde, isocyanates, PE modified polyvinyl acetate The mixing planted.
Above-mentioned wood fiber secondary mould pressing method prepares automotive trim die-pressing section technique, wherein, described fibre mat The preparation of middle temperature and pressure system moldable precoated plate is to carry out in the hot press of a flat-bed press or band grinding tool;That suppresses can mould Pressure precoated plate is low-density flat prefabricated board, it is also possible to be the mold pressing precoated plate with definite shape and density.
Above-mentioned wood fiber secondary mould pressing method prepares automotive trim die-pressing section technique, and wherein, described is moldable prefabricated The density of plate is 0.2-0.6mg/cm flat board wood fibre board, or the wood fiber with shape molds moulding precoated plate.
Above-mentioned wood fiber secondary mould pressing method prepares automotive trim die-pressing section technique, wherein, by described fibre mat The press temperature being pressed into precoated plate is 80 DEG C-120 DEG C;Pressing pressure is 0.5-1.5MPa, and the press time is every millimeter of thickness of slab 5-10 minute, the density of the precoated plate of compacting was 0.2-0.5mg/cm.
Above-mentioned wood fiber secondary mould pressing method prepares automotive trim die-pressing section technique, and wherein, the described wood fiber is prefabricated The High Temperature High Pressure secondary mould pressing moulding process of plate is to be placed on by prefabricated slab in a mould, by making after High Temperature High Pressure molding Automotive trim die-pressing section.
Above-mentioned wood fiber secondary mould pressing method prepares automotive trim die-pressing section technique, wherein, by described prefabricated slab Compressing hot pressing temperature is 130 DEG C-190 DEG C;Molding pressure is 1.0-3.5MPa;The density of molding is 0.9- 1.30mg/cm³。
The present invention utilizes low cost, the wood fiber material of reusable edible prepares the automotive upholsteries such as car, the most permissible The non-renewable fossil resources such as a large amount of saving plastics, are conducive to improving the cost performance of automotive interior material, reduce automotive trim The production cost of material, it is achieved the high value added utilization of wood materials, promotes the low carbon development of China's automobile industry;Also may be used simultaneously To reduce the environmental pollution because using petrochemical products to cause, the conservation culture for China is made contributions.
Accompanying drawing explanation
Fig. 1 is that one wood fiber secondary mould pressing method of the present invention prepares automotive trim die-pressing section process chart.
Detailed description of the invention
Embodiments of the invention are further illustrated below in conjunction with accompanying drawing.
Referring to shown in accompanying drawing 1, a kind of wood fiber secondary mould pressing method prepares automotive trim die-pressing section technique, and this technique is extremely Comprise the steps: less
Step 1: the wood chip being whittled into by timber is prepared as the wood fiber.
Step 2: with the wood fiber as raw material, it is that the wood fiber is solid that the wood fiber carries out mix and blend, uniform applying glue, and resin added The 15%-40% of body burden.
Step 3: by pneumatic conveying drying, the wood fiber after applying glue carried out preliminarily dried, and be paved into fibre by a spreading machine Dimension slab.
Step 4: described fibre mat, by middle temperature and pressure system, is formed and makes moldable precoated plate.
Step 5: described moldable precoated plate, through the compressing technical process of High Temperature High Pressure secondary, is made in car Decorations die-pressing section.
The described wood fiber is the wood fiber of the different draw ratios prepared by Defibrating Technology.
The mixing application of the described wood fiber can utilize various forms of glue sprayer and glue mixer applying glue.
The described adhesive used by mixing application can be phenolic aldehyde (PF), isocyanates (MDI), PE modified gathering The various binding agents such as vinylacetate (EVA) and any two or multiple mixing in them.
The middle temperature and pressure system moldable precoated plate preparation of described fibre mat is at a flat-bed press or band grinding tool Hot press in carry out;Compacting moldable precoated plate be low-density flat prefabricated board, it is also possible to be have definite shape and The mold pressing precoated plate of density.
The density of described moldable precoated plate is 0.2-0.6mg/cm flat board wood fibre board, or has definite shape The wood fiber mold moulding precoated plate.
The press temperature that described fibre mat is pressed into precoated plate is 80 DEG C-120 DEG C;Pressing pressure is 0.5- 1.5MPa, the press time is every millimeter of thickness of slab 5-10 minute, and the density of the precoated plate of compacting is 0.2-0.5mg/cm.
Prefabricated slab is placed on a particular design by the High Temperature High Pressure secondary mould pressing moulding process of wood fiber precoated plate In mould, by making automotive trim die-pressing section after High Temperature High Pressure molding.
It it is 130 DEG C-190 DEG C by hot pressing temperature compressing for prefabricated slab;Molding pressure is 1.0-3.5MPa;Molding Density be 0.9-1.30mg/cm.
Embodiment 1:
The brush wood of timber or trees is whittled into each 3-5 centimetre of length and width, and the wood chip of thickness 2-5 millimeter, by defibrator by wood chip Make the wood fiber with certain draw ratio.This wood fiber is sent in glue sprayer or glue mixer, be that the wood fiber is solid by resin added The 25% of body burden sprays into phenolic aldehyde adhesive, simultaneously mix and blend, promotes wood fiber surface to be uniformly stained with glue.Will by pneumatic conveying drying After applying glue, fiber carries out preliminarily dried, and is paved into slab by a spreading machine.With a flat-bed press by this slab It is pressed into and there is the precoated plate that can mold further.The press temperature of this precoated plate is 100 DEG C, and pressing pressure is 0.2MPa, pressure Time processed is every millimeter of thickness of slab 0.5 minute, and the density of the precoated plate suppressed is 0.5mg/cm.This precoated plate is placed in one In the mould of particular design, by High Temperature High Pressure secondary mould pressing molding, make automotive trim die-pressing section.Prefabricated slab secondary The hot pressing temperature of compression molding is 160 DEG C;Molding pressure is 3MPa;The density of molding is 0.9mg/cm.
Embodiment 2:
The brush wood of timber or trees is whittled into each 3-5 centimetre of length and width, the wood chip of thickness 2-5 millimeter;By defibrator by wood chip Make the wood fiber with certain draw ratio.This wood fiber is sent in glue sprayer or glue mixer, be that the wood fiber is solid by resin added The 30% of body burden sprays into phenolic aldehyde and PE modified polyvinyl acetate (PF:EVA=8:2), mixes adhesive, mixes simultaneously Stirring, promotes wood fiber surface to be uniformly stained with glue.By pneumatic conveying drying, fiber after applying glue carried out preliminarily dried, and by a paving Installation is paved into slab.This slab is pressed into by the hot press of a band grinding tool there is can mold further prefabricated Plate.The press temperature of this precoated plate is 90 DEG C, and pressing pressure is 0.5MPa, and the press time is every millimeter of thickness of slab 1.0 minutes, is pressed The density of the precoated plate of system is 0.5mg/cm.This precoated plate is placed in the mould of a particular design, by High Temperature High Pressure two Secondary compression molding, makes automotive trim die-pressing section.The hot pressing temperature of prefabricated slab secondary mould pressing molding is 180 DEG C;Mold Pressure is 1.0MPa;The density of molding is 1.0mg/cm.
In sum, the present invention utilizes low cost, the wood fiber material of reusable edible prepares the automotive upholsteries such as car, Not only can save the non-renewable fossil resources such as plastics in a large number, be conducive to improving the cost performance of automotive interior material, reduce The production cost of automotive interior material, it is achieved the high value added utilization of wood materials, promotes the low carbon development of China's automobile industry; Can also reduce the environmental pollution because using petrochemical products to cause, the conservation culture for China is made contributions simultaneously.
The foregoing is only the preferred embodiments of the present invention, not thereby limit the scope of the claims of the present invention, every utilization The equivalent structure transformation that description of the invention content is made, or directly or indirectly use the technology neck being attached to other Related products Territory, is the most in like manner included in the scope of patent protection of the present invention.

Claims (9)

1. a wood fiber secondary mould pressing method prepares automotive trim die-pressing section technique, it is characterised in that: this technique at least includes Following steps:
Step 1: the wood chip being whittled into by timber is prepared as the wood fiber;
Step 2: with the wood fiber as raw material, it is that wood fiber solid contains that the wood fiber carries out mix and blend, uniform applying glue, and resin added The 15%-40% of amount;
Step 3: by pneumatic conveying drying, the wood fiber after applying glue carried out preliminarily dried, and be paved into fibre board by a spreading machine Base;
Step 4: described fibre mat, by middle temperature and pressure system, is formed and makes moldable precoated plate;
Step 5: described moldable precoated plate, through the compressing technical process of High Temperature High Pressure secondary, is made internal decoration of car and used Die-pressing section.
Wood fiber secondary mould pressing method the most according to claim 1 prepares automotive trim die-pressing section technique, it is characterised in that: The described wood fiber is the wood fiber of the different draw ratios prepared by Defibrating Technology.
Wood fiber secondary mould pressing method the most according to claim 1 prepares automotive trim die-pressing section technique, it is characterised in that: The mixing application of the described wood fiber passes through glue sprayer and glue mixer applying glue.
Wood fiber secondary mould pressing method the most according to claim 3 prepares automotive trim die-pressing section technique, it is characterised in that: The described adhesive used by mixing application is any one in phenolic aldehyde, isocyanates, PE modified polyvinyl acetate Plant or the mixing of any two or more.
Wood fiber secondary mould pressing method the most according to claim 1 prepares automotive trim die-pressing section technique, it is characterised in that: The middle temperature and pressure system moldable precoated plate preparation of described fibre mat is at a flat-bed press or the hot press of band grinding tool In carry out;The moldable precoated plate of compacting is low-density flat prefabricated board, it is also possible to be the mould with definite shape and density Pressure precoated plate.
Wood fiber secondary mould pressing method the most according to claim 1 prepares automotive trim die-pressing section technique, it is characterised in that: The density of described moldable precoated plate is 0.2-0.6mg/cm flat board wood fibre board, or the wood fiber with shape molds Moulding precoated plate.
Wood fiber secondary mould pressing method the most according to claim 1 prepares automotive trim die-pressing section technique, it is characterised in that: The press temperature that described fibre mat is pressed into precoated plate is 80 DEG C-120 DEG C;Pressing pressure is 0.5-1.5MPa, compacting Time is every millimeter of thickness of slab 5-10 minute, and the density of the precoated plate of compacting is 0.2-0.5mg/cm.
Wood fiber secondary mould pressing method the most according to claim 1 prepares automotive trim die-pressing section technique, it is characterised in that: The High Temperature High Pressure secondary mould pressing moulding process of described wood fiber precoated plate is to be placed on by prefabricated slab in a mould, by height Automotive trim die-pressing section is made after temperature high-pressure molding.
Wood fiber secondary mould pressing method the most according to claim 1 prepares automotive trim die-pressing section technique, it is characterised in that: It it is 130 DEG C-190 DEG C by hot pressing temperature compressing for described prefabricated slab;Molding pressure is 1.0-3.5MPa;Molding Density is 0.9-1.30mg/cm.
CN201610361056.9A 2016-05-29 2016-05-29 Automobile inner decoration mold-pressed profile preparation technique through wood fiber double mold pressing method Pending CN106042414A (en)

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CN201610361056.9A CN106042414A (en) 2016-05-29 2016-05-29 Automobile inner decoration mold-pressed profile preparation technique through wood fiber double mold pressing method

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108044855A (en) * 2017-12-19 2018-05-18 芜湖尚唯汽车饰件有限公司 Automotive trim production technology based on post forming
CN108327311A (en) * 2018-01-31 2018-07-27 华南理工大学 A kind of post forming method of weaving carbon fiber enhancing laminated thermoplastic resin plate
CN116987397A (en) * 2023-08-04 2023-11-03 中国林业科学研究院木材工业研究所 Multi-dimensional special-shaped high-strength mould pressing artificial board and manufacturing method thereof

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103113753A (en) * 2013-03-01 2013-05-22 王丹 Plant fiber environment-friendly material as well as preparation method and application thereof
CN103737699A (en) * 2014-01-10 2014-04-23 宁波大世界家具研发有限公司 Specially shaped wood fiber molded product enclosed forming method
CN105058835A (en) * 2015-07-20 2015-11-18 南京林业大学 Process for manufacturing molded furniture component with straw and mold adopted therein

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103113753A (en) * 2013-03-01 2013-05-22 王丹 Plant fiber environment-friendly material as well as preparation method and application thereof
CN103737699A (en) * 2014-01-10 2014-04-23 宁波大世界家具研发有限公司 Specially shaped wood fiber molded product enclosed forming method
CN105058835A (en) * 2015-07-20 2015-11-18 南京林业大学 Process for manufacturing molded furniture component with straw and mold adopted therein

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108044855A (en) * 2017-12-19 2018-05-18 芜湖尚唯汽车饰件有限公司 Automotive trim production technology based on post forming
CN108327311A (en) * 2018-01-31 2018-07-27 华南理工大学 A kind of post forming method of weaving carbon fiber enhancing laminated thermoplastic resin plate
CN116987397A (en) * 2023-08-04 2023-11-03 中国林业科学研究院木材工业研究所 Multi-dimensional special-shaped high-strength mould pressing artificial board and manufacturing method thereof

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