CN107433721A - A kind of preparation method of inorfil and wood-plastic composite panel - Google Patents
A kind of preparation method of inorfil and wood-plastic composite panel Download PDFInfo
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- CN107433721A CN107433721A CN201610353861.7A CN201610353861A CN107433721A CN 107433721 A CN107433721 A CN 107433721A CN 201610353861 A CN201610353861 A CN 201610353861A CN 107433721 A CN107433721 A CN 107433721A
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- wood
- wood moulding
- inorfil
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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
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- Dry Formation Of Fiberboard And The Like (AREA)
Abstract
The invention discloses the preparation method of a kind of inorfil and wood-plastic composite panel, inorfil is with wood-plastic composite panel by mould coextrusion mold, hollow cavity is provided with mould along its length, the feed end of mould sets the wood moulding runner for being communicated to hollow cavity, the outlet of wood moulding runner is set towards the discharge end of mould, and the preparation method comprises the following steps：The Wood-plastic material of molten state is sent into hollow cavity by wood moulding runner using extruder, Wood-plastic material is located to be cooled and shaped in hollow cavity, forms hollow wood moulding framework, and extrude from the discharge end of mould；By inorfil and binding agent synchronization even application in the wood moulding framework in mould, inorfil is blowed to wood moulding framework and bonded by binding agent and wood moulding framework, is filled full wood moulding framework, is formed packed layer.The present invention relates to building field, and the invention provides the preparation method of a kind of inorfil and wood-plastic composite panel, can simplify process, realizes synchronous one-shot forming composite board.
Description
Technical field
The present invention relates to building field, more particularly to the preparation method of a kind of inorfil and wood-plastic composite panel.
Background technology
Conventional house wall for building, it is unfavorable for protecting farmland using solid clay brick more；The materials for wall such as air-entrained concrete building block, hollow brick at present, to construct at the scene, it is necessary to cement wet trade, scene produces a large amount of building wastes, and consumption is a large amount of artificial, and wall size precision is also difficult to control, building cycle is grown, and at least more than half a year, often could even be completed within more than 2 years up to 1 year.
To adapt to novel building house batch production, ecology, energy-conservation and green needs, Chinese patent CN102650367A provides with holes or pit-metal and resin composite co-extruded profile, shape and resin are manufactured by extruder using coextrusion process, and molten resin is inlayed to be combined into one into shape hole or pit are interior with holes or pit-metal section bar.Resin includes：PVC, PE, PP, ABS, fluororesin, wood moulding, glass modeling.
Wood moulding hollow material is alternatively arranged as wallboard application, in order to meet the heat-insulating property usually internal filling insulation material of needs, but polyurethane foam, foamed polystyrene is although easily processed into type but exacerbates disaster hidden-trouble, and fill rock wool, mineral wool, mineral wool, after the insulation materials such as expanded perlite are then often molded using wood moulding framework, by rock wool, mineral wool etc., which is cut into, to be suitable for the shape size of wood moulding inner cavity chamber and is filled one by one, cut, filling scene is seriously polluted, secondary operation process not only considerably increases the production cycle, reduce production efficiency, cause power consumption simultaneously, the very big rise of cost of labor.
The content of the invention
It is an object of the invention to provide the preparation method of a kind of inorfil and wood-plastic composite panel, can simplify process, realizes synchronous one-shot forming composite board.
In order to realize foregoing invention purpose, the technical scheme that the present invention takes is as follows：
A kind of preparation method of inorfil and wood-plastic composite panel, inorfil is with wood-plastic composite panel by mould coextrusion mold, hollow cavity is provided with along its length in the mould, the feed end of the mould sets the wood moulding runner for being communicated to the hollow cavity, the outlet of the wood moulding runner is set towards the discharge end of the mould, and the preparation method comprises the following steps：
The Wood-plastic material of molten state is sent into the hollow cavity by wood moulding runner using extruder, Wood-plastic material is located to be cooled and shaped in the hollow cavity, forms hollow wood moulding framework, and extrude from the discharge end of the mould；
Simultaneously, by inorfil and binding agent synchronization even application in the wood moulding framework in mould, inorfil is transported in wood moulding framework and sprayed by blower fan, around at its ejection, binding agent synchronously sprays and is attached to inorfil surface, the inorfil is blowed to wood moulding framework and bonded by binding agent and wood moulding framework, is filled the full wood moulding framework, is formed packed layer.
Preferably, the Wood-plastic material of molten state is being sent into the hollow cavity simultaneously by wood moulding runner using extruder, shape is synchronously penetrated in the hollow cavity, forms the composite board of embedded with metal section bar in wood moulding framework outer layer.
Preferably, one end of the wood moulding framework from the discharge end of the mould extrusion when, the upper and lower part at this end of wood moulding framework is mediated, closes this end seal.
Preferably, the inorfil is granulated wool, mineral wool, rock wool, alumina silicate fibre or ceramic fibre.
Preferably, the binding agent is acrylic compounds, organic silicon, starch, epoxy resin, vinyl acetate class, silicates or phosphoric acid salt binding agent.
Preferably, the Wood-plastic material includes wood powder, plastic resin and calcium carbonate.
Preferably, the packed density of the packed layer is 30-300Kg/m3。
Compared to the prior art the present invention, has the advantages that：
Inorfil spraying filling wood moulding extrusion synchronous forming method of the present invention, inner inorganic fiber packed layer is bonded and is integrally formed because of the uniform binding agent solidification of fiber surface, and bond and be integrally formed with the inner surface of the wood moulding framework in outside, overall timber intensity is high, and interruption the methods of avoid piecemeal filling rock wool, mineral wool, packed layer caused by discontinuity collapse, accumulates situations such as deforming.
Inorfil spraying filling wood moulding extrusion synchronous forming method of the present invention, inorfil is sent by wind is blown into the cooling and shaping speed that wood moulding lower portion accelerates wood moulding framework, and the high temperature of the parison extrusion of wood moulding framework is advantageous to the rapid draing solidification of inorfil surface treating adhesive, technique is complementary, energy consumption is low, efficiency high.
Inorfil spraying filling wood moulding extrusion synchronous forming method of the present invention, the One-step production for realizing wood moulding framework and inner inorganic fiber thermal insulation packed layer are processed, enormously simplify process, improve production efficiency, reduce energy consumption, and significantly reduce production cost.
Inorfil spraying filling wood moulding extrusion synchronous forming method of the present invention, the speed and blast adjustment control packed layer density of filling can be easily sprayed by inorfil as needed, the packed density that can control packed layer is 30-300Kg/m3, meet different requirements.
The present invention packed layer of the interior filling inorfil of wood moulding framework, is A level incombustible materials, while basic heat-insulating property is ensured, substantially increases fire-retardant fireproof grade with the wood-plastic composite panel of one-step extrusion molding.
Brief description of the drawings
Fig. 1 is the composite board schematic diagram for being not provided with reinforcement；
Fig. 2 is provided with the composite board schematic diagram of reinforcement；
Fig. 3 is mould schematic diagram；
Fig. 4 is Fig. 3 A-A to schematic cross-section；
Fig. 5 is mould production status schematic diagram.
Reference：1- wood mouldings framework, 101- reinforcements, 2- packed layers, 3- shapers, 301- hollow cavities, 4- extrusion dies, 401- wood mouldings runner, 402- wood mouldings runner exit, 5- inorfils stuff-spraying pipe, 6- binder spray guns.
Embodiment
To make the goal of the invention of the present invention, technical scheme and beneficial effect of greater clarity, embodiments of the invention are illustrated below in conjunction with the accompanying drawings, it should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the application can be mutually combined.
Fig. 1 and Fig. 2 is inorfil and wood-plastic composite panel, and its composite board includes the packed layer based on wood moulding framework and inorfil, and the outline of wood moulding framework can convert according to demand, and wood moulding framework is hollow structure.Fig. 1 is the composite board schematic diagram for being not provided with reinforcement, as shown in figure 1, packed layer 2 is filled in wood moulding framework 1.Fig. 2 is the composite board schematic diagram for being provided with reinforcement, as shown in Fig. 2 being provided with reinforcement 101 in wood moulding framework 1, the space inside wood moulding framework 1 is separated, and packed layer 2 also fills full whole space.
Inorfil is with wood-plastic composite panel by mould coextrusion mold, mould growth bar shaped, Fig. 3 is mould schematic diagram, as shown in Figure 3, hollow cavity 301 is provided with mould along its length, the feed end of the mould sets the wood moulding runner 401 for being communicated to the hollow cavity, and the outlet of wood moulding runner 401 is set towards the discharge end of mould.Mould can be assembled by the extrusion die 4 and shaper 3 being connected, both releasable connections, wood moulding runner 401 are in extrusion die 4, and hollow cavity 301 is in shaper 3, extrusion die 4 extrudes Wood-plastic material, and shaper 3 provides the space of cooling and shaping for Wood-plastic material.The A-A that Fig. 4 is Fig. 3 is to schematic cross-section, as shown in figure 4, the overall shape for being linked to be wood moulding frame cross section of wood moulding runner exit 402, it is ensured that directly extrude the wood moulding framework of constant cross-section, the shape that wood moulding runner exit 402 connects into determines according to the section of wood moulding framework.The parison of high temperature wood moulding framework of the hollow cavity 301 of mould just to have extruded provides the space being cooled and shaped.
The preparation method of inorfil and wood-plastic composite panel needs to complete the filling of inorfil and binding agent while mould extrudes wood moulding framework, Fig. 5 is mould production status schematic diagram, as shown in Figure 5, extruder is needed to use to be sent to the Wood-plastic material of molten state in hollow cavity by wood moulding runner, Wood-plastic material enters hollow cavity in wood moulding runner exit, and close to discharging end motion of the inwall to mould of hollow cavity, Wood-plastic material is located to be cooled and shaped in hollow cavity, hollow wood moulding framework 1 is formed, and is extruded from the discharge end of mould；Simultaneously, inorfil and binding agent synchronization even application are in the wood moulding framework in mould, inorfil stuff-spraying pipe 5 is extend into the hollow cavity of mould from the feed end of mould, it is also in wood moulding framework, to ensure to spray enough binding agents, the surrounding of inorfil stuff-spraying pipe 5 sets one or more binder spray guns 6, inorfil is delivered to inorfil stuff-spraying pipe 5 by blower fan, the synchronous atomization of binder spray gun 6 sprays, binding agent is attached to the inorfil surface of ejection, inorfil is blown in wood moulding framework and by binding agent and wood moulding framework bonding, wind send the cooling sizing for being advantageous to wood moulding framework, the wood moulding framework with certain temperature is also beneficial to binding agent sizing, the full wood moulding framework 1 of inorfil filling, form packed layer.And then complete the synchronous production of wood moulding framework and packed layer.Inorfil stuff-spraying pipe and binder spray gun can according to the shape and internal structure of wood moulding framework, size, angle and rotation and position changes, to realize that inorfil is filled into the every nook and cranny of wood moulding lower portion.After wait wood moulding framework and packed layer are all shaped, then inorfil and wood-plastic composite panel are formed.Spraying method filling makes inorfil by the way that mutually bonding is integrally formed inside binding agent and inorfil and wood moulding framework 1 are also all bonded together.Inorfil and binding agent need not mix both before spraying, but both synchronous sprayings.Inorfil is usually threadiness, its light weight, can be conveyed by blower fan.Inorfil is granulated wool, mineral wool, rock wool, alumina silicate fibre or ceramic fibre；Binding agent is acrylic compounds, organic silicon, starch, epoxy resin, vinyl acetate class, silicates or phosphoric acid salt binding agent；For Wood-plastic material using high polymer material as base stock, alternative adds the additives such as wood powder, plastic resin and calcium carbonate.The packed density of packed layer is 30-300Kg/m3。
It is preferred that the Wood-plastic material of molten state is being sent into hollow cavity simultaneously by wood moulding runner using extruder, the shape matched with wood moulding framework outline can be synchronously penetrated in hollow cavity, form the composite board of wood moulding framework outer layer embedded with metal section bar, its composite board adds metal level, and its composite board has more excellent intensity.
When just starting production, and when just being extruded in starting one end of wood moulding framework from the discharge end of mould, because wood moulding framework is not shaped completely, remain to deform, it is preferred that the upper and lower part at this end of wood moulding framework is mediated, close the end seal, then inorfil starts spraying filling, and wood moulding frame ends can be prevented outside inorfil blowout wood moulding framework when realizing filling.
Inorfil spraying filling wood moulding extrusion synchronous forming method of the present invention, inner inorganic fiber packed layer is bonded and is integrally formed because of the uniform binding agent solidification of fiber surface, and bond and be integrally formed with the inner surface of the wood moulding framework in outside, overall timber intensity is high, and interruption the methods of avoid piecemeal filling rock wool, mineral wool, packed layer caused by discontinuity collapse, accumulates situations such as deforming.Inorfil is sent by wind is blown into the cooling and shaping speed that wood moulding lower portion accelerates wood moulding framework, and the high temperature of the parison of wood moulding framework extrusion is advantageous to the rapid draing solidification of inorfil surface treating adhesive, and technique is complementary, and energy consumption is low, efficiency high.Inorfil spraying filling wood moulding extrusion synchronous forming method, the One-step production for realizing wood moulding framework and inner inorganic fiber thermal insulation packed layer are processed, enormously simplify process, improve production efficiency, reduce energy consumption, and significantly reduce production cost.The present invention can easily spray the speed and blast adjustment control packed layer density of filling by inorfil as needed, and the packed density that can control packed layer is 30-300Kg/m3, meet different requirements.The packed layer of filling inorfil, is A level incombustible materials, while basic heat-insulating property is ensured, substantially increases fire-retardant fireproof grade in wood moulding framework.
Although disclosed embodiment is as above, its content is not intended to limit the present invention only to facilitate the embodiment for understanding technical scheme and using.Any those skilled in the art to which this invention pertains; on the premise of disclosed core technology scheme is not departed from; any modification and change can be made in the form and details of implementation; but the protection domain that the present invention is limited, the scope that must be still limited by appended claims are defined.
Claims (7)
- A kind of 1. preparation method of inorfil and wood-plastic composite panel, it is characterised in that inorfil With wood-plastic composite panel by mould coextrusion mold, middle cavity is provided with along its length in the mould Body, the feed end of the mould set the wood moulding runner for being communicated to the hollow cavity, the wood moulding runner Outlet set towards the discharge end of the mould, the preparation method comprises the following steps：The Wood-plastic material of molten state is sent into the hollow cavity, wood moulding by wood moulding runner using extruder Material is located to be cooled and shaped in the hollow cavity, forms hollow wood moulding framework, and from the mould Discharge end is extruded；Meanwhile by inorfil and binding agent synchronization even application in the wood moulding framework in mould, it is inorganic Fiber is transported in wood moulding framework and sprayed by blower fan, at its ejection around, binding agent synchronously sprays And inorfil surface is attached to, the inorfil is blowed to wood moulding framework and by binding agent and wood moulding Framework bonds, and fills the full wood moulding framework, forms packed layer.
- 2. preparation method as claimed in claim 1, it is characterised in that will be melted using extruder The Wood-plastic material of state is sent into the hollow cavity simultaneously by wood moulding runner, is synchronously worn in the hollow cavity Enter shape, form the composite board of embedded with metal section bar in wood moulding framework outer layer.
- 3. preparation method as claimed in claim 1, it is characterised in that one end of the wood moulding framework When being extruded from the discharge end of the mould, the upper and lower part at this end of wood moulding framework is mediated, makes this end seal Close.
- 4. preparation method as claimed in claim 1, it is characterised in that the inorfil is granular Cotton, mineral wool, rock wool, alumina silicate fibre or ceramic fibre.
- 5. preparation method as claimed in claim 1, it is characterised in that the binding agent is acrylic acid Class, organic silicon, starch, epoxy resin, vinyl acetate class, silicates or phosphoric acid salt glue Tie agent.
- 6. preparation method as claimed in claim 1, it is characterised in that the Wood-plastic material includes wood Powder, plastic resin and calcium carbonate.
- 7. the preparation method as described in claim 1-6 is any, it is characterised in that the packed layer Packed density is 30-300Kg/m3。
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610353861.7A CN107433721B (en) | 2016-05-25 | 2016-05-25 | A kind of preparation method of inorfil and wood-plastic composite panel |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610353861.7A CN107433721B (en) | 2016-05-25 | 2016-05-25 | A kind of preparation method of inorfil and wood-plastic composite panel |
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| CN107433721A true CN107433721A (en) | 2017-12-05 |
| CN107433721B CN107433721B (en) | 2019-09-27 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108892966A (en) * | 2018-07-13 | 2018-11-27 | 安徽钰锦生态木材料有限公司 | A kind of polynary wood plastics composite new material and its processing method |
| CN109235808A (en) * | 2018-07-24 | 2019-01-18 | 安徽省万帮新型建材科技有限公司 | A kind of heat preservation Wood plastic wall board |
| CN109878100A (en) * | 2019-03-12 | 2019-06-14 | 北京化工大学 | A kind of outer lamination of mould prepares the device and method of wood plastic composite |
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| CN2526090Y (en) * | 2002-03-19 | 2002-12-18 | 李金峰 | Combined pneumatic plating equipment for light inorganic fibre and granular cotton |
| CN201358517Y (en) * | 2008-12-22 | 2009-12-09 | 北京尚可佳节能技术有限公司 | Heat-insulation veneer for outer wall of building |
| CN105484372A (en) * | 2014-09-17 | 2016-04-13 | 北新集团建材股份有限公司 | Co-extrusion molding composite board and preparation method thereof |
| CN105484373A (en) * | 2014-09-17 | 2016-04-13 | 北新集团建材股份有限公司 | Co-extrusion molding composite board and preparation method thereof |
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2016
- 2016-05-25 CN CN201610353861.7A patent/CN107433721B/en active Active
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| CN2526090Y (en) * | 2002-03-19 | 2002-12-18 | 李金峰 | Combined pneumatic plating equipment for light inorganic fibre and granular cotton |
| CN201358517Y (en) * | 2008-12-22 | 2009-12-09 | 北京尚可佳节能技术有限公司 | Heat-insulation veneer for outer wall of building |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108892966A (en) * | 2018-07-13 | 2018-11-27 | 安徽钰锦生态木材料有限公司 | A kind of polynary wood plastics composite new material and its processing method |
| CN109235808A (en) * | 2018-07-24 | 2019-01-18 | 安徽省万帮新型建材科技有限公司 | A kind of heat preservation Wood plastic wall board |
| CN109878100A (en) * | 2019-03-12 | 2019-06-14 | 北京化工大学 | A kind of outer lamination of mould prepares the device and method of wood plastic composite |
| CN109878100B (en) * | 2019-03-12 | 2020-11-20 | 北京化工大学 | Device and method for preparing wood-plastic composite material by laminating outside mold |
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| CN107433721B (en) | 2019-09-27 |
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