CN105034406A - Forming method of long glass fibre injection product - Google Patents
Forming method of long glass fibre injection product Download PDFInfo
- Publication number
- CN105034406A CN105034406A CN201510324266.6A CN201510324266A CN105034406A CN 105034406 A CN105034406 A CN 105034406A CN 201510324266 A CN201510324266 A CN 201510324266A CN 105034406 A CN105034406 A CN 105034406A
- Authority
- CN
- China
- Prior art keywords
- product
- glass fibre
- forming method
- long glass
- injection product
- 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
Links
Classifications
-
- 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
- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
- B29C70/28—Shaping operations therefor
- B29C70/30—Shaping 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
- B29C70/36—Shaping 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 impregnating by casting, e.g. vacuum casting
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Composite Materials (AREA)
- Mechanical Engineering (AREA)
- Reinforced Plastic Materials (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention relates to the field of material forming, in particular to a forming method of a long glass fibre injection product. The forming method comprises the following steps: a, a material A and a material B are mixed to form a polyurethane mixed component; b, glass fibres are cut into glass fibre units; c, the mixed component of the material A and the material B and the cut glass fibre units are mixed and then are uniformly paved on a mold; d, the mold is assembled and curing is carried out for 2-8 min; and e, demolding is carried out to obtain a product. The polyurethane mixed component is formed by mixing the material A and the material B; under the condition that the thickness of the product is equal, the intensity of the product is increased; the intensity requirement can be met without increasing the product thickness; the materials are saved; and the cost is saved.
Description
Technical field
The present invention relates to forming materials field, particularly the forming method of long glass fibres injection product.
Background technology
At present, the instrument board of vehicle, inner decorative ceiling, air channel is mostly glass fiber reinforced plastics product.Glass fiber reinforced plastics product uses resin and glass fibre mixing, and then manually brush system forms.In artificial brushing process, easily occur the phenomenons such as glass fibre is piled up, skewness, have a strong impact on the intensity of product, and the weight of glass fiber reinforced plastics product is large, cost is high.
Summary of the invention
The object of this invention is to provide the forming method of the long glass fibres injection product that a kind of product strength is high, cost is low.
For achieving the above object, present invention employs following technical scheme: a kind of forming method of long glass fibres injection product, comprises the following steps;
A, by A expect, B material carry out being mixed into polyurethane combined material;
B, glass fibre is cut into glass fibre unit;
Be layered on uniformly on mould after glass fibre unit mixing after c, the compound that A material, B are expected and cutting;
D, matched moulds slaking 2-8min;
E, the demoulding, obtain product.
Owing to adopting above technical scheme, polyurethane combined material is expected by A and B expects that bi-material mixes, and when product thickness is equal, enhances the intensity of product.Do not need improving product thickness just can meet requirement of strength, save material, reduce production cost.
Detailed description of the invention
A forming method for long glass fibres injection product, comprises the following steps;
A, by A expect, B material carry out being mixed into polyurethane combined material;
B, glass fibre is cut into glass fibre unit;
Be layered on uniformly on mould after glass fibre unit mixing after c, the compound that A material, B are expected and cutting;
D, matched moulds slaking 2-8min;
E, the demoulding, obtain product.
Modify after product stripping, remove the flaws such as overlap.
Polyurethane combined material is expected by A, B expects to form, and proportion can adjust according to needs of production.A, B expect, store at a suitable temperature, avoid crystallization, the viscosity of feed liquid and mobility are its important indexs; Glass fibre can be stored in be deposited in yarn cabinet.The metering of A, B material has generally been come by hydraulic system, and hydraulic system is made up of with the oil piping system controlling to distribute cylinder working the pipe-line system of pump, valve and auxiliary composition control liquid material.The metering measuring pump of stoste carries out metering and exports.Carry out each stoste proportioning of reacting for strictly controlling to inject die cavity, require measuring accuracy be at least ± 1.5%, preferably control ± 1%.Glass fibre by a set ofly sending yarn, cutting mechanism controls, the glass fibre of adjustment different length can produce different mechanical properties, can not the part of density.Mixed process has been come by a set of special installation, raw material and glass fibre mix at mixing head place by this equipment, in shaping, product quality almost has half directly to depend on the mixing quality of mixing head, and production capacity then almost depends on the quality of mixing head completely.Their general principle is all that pressure is converted into speed, and make to produce the strong immixture that liquidates between each component, therefore, mixing quality is guaranteed.Along with A, B material mixes with liquidating of glass fibre, raw material are layered on above mould uniformly along with the movement of mechanical arm, mixing quality is higher, product surface quality is better, certainly this also depends on the wetting capacity that A, B expect, the wetting capacity of A, B material depends on himself viscosity and mobility.Control mold temperature by oil temperature machine, under suitable temperature conditions, start slaking in the process of raw material after mold closing, usual maturing process approximately needs 2 to 8 minutes.When product, temperature dropped to a certain extent and just can hinder when having sufficient intensity and carry out the demoulding.The demoulding can rely on corresponding mould emptier or manually realize.Will carry out moditied processing after product stripping, such as will remove or custom-designed product overlap that produce due to mould poor sealing, perforate etc., this series of process has mainly been come by Water Cutting equipment.In these flow processs, cast and solidification are two complicated processes, and need large quantifier elimination and experience accumulation, product quality is closely bound up therewith.
Because by A material and B, polyurethane combined material expects that bi-material mixes, when product thickness is equal, enhance the intensity of product.Do not need improving product thickness just can meet requirement of strength, save material, cost-saving.
Claims (2)
1. a forming method for long glass fibres injection product, is characterized in that: comprise the following steps;
A, by A expect, B material be mixed into polyurethane combined material;
B, glass fibre is cut into glass fibre unit;
Be layered on uniformly on mould after glass fibre unit mixing after c, the compound that A material, B are expected and cutting;
D, matched moulds slaking 2-8min;
E, the demoulding, obtain product.
2. the forming method of long glass fibres injection product according to claim 1, is characterized in that: modify after product stripping, removes the flaws such as overlap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510324266.6A CN105034406A (en) | 2015-06-11 | 2015-06-11 | Forming method of long glass fibre injection product |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510324266.6A CN105034406A (en) | 2015-06-11 | 2015-06-11 | Forming method of long glass fibre injection product |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105034406A true CN105034406A (en) | 2015-11-11 |
Family
ID=54441645
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510324266.6A Pending CN105034406A (en) | 2015-06-11 | 2015-06-11 | Forming method of long glass fibre injection product |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105034406A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1208055A (en) * | 1997-08-13 | 1999-02-17 | 久达汽车零部件制造(上海)有限公司 | Reinforced polyurethane product and its production process |
| CN1432593A (en) * | 2002-01-14 | 2003-07-30 | 辽阳金兴汽车内饰件有限公司 | Glass fiber reinforced polyurethane skeleton |
| CN1876348A (en) * | 2006-07-13 | 2006-12-13 | 董升顺 | Auto air duct plate open-type foaming device and its air duct plate production method |
| CN101787201A (en) * | 2010-02-05 | 2010-07-28 | 湖北省齐星汽车车身股份有限公司 | Novel long glass fiber-reinforced polyurethane technique capable of being produced into A-class surface product |
-
2015
- 2015-06-11 CN CN201510324266.6A patent/CN105034406A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1208055A (en) * | 1997-08-13 | 1999-02-17 | 久达汽车零部件制造(上海)有限公司 | Reinforced polyurethane product and its production process |
| CN1432593A (en) * | 2002-01-14 | 2003-07-30 | 辽阳金兴汽车内饰件有限公司 | Glass fiber reinforced polyurethane skeleton |
| CN1876348A (en) * | 2006-07-13 | 2006-12-13 | 董升顺 | Auto air duct plate open-type foaming device and its air duct plate production method |
| CN101787201A (en) * | 2010-02-05 | 2010-07-28 | 湖北省齐星汽车车身股份有限公司 | Novel long glass fiber-reinforced polyurethane technique capable of being produced into A-class surface product |
Non-Patent Citations (1)
| Title |
|---|
| 刘益军 编著: "《聚氨酯树脂及其应用》", 31 January 2012, 化学工业出版社 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| MX2019012018A (en) | Method for producing casting molds, cores and basic mold materials regenerated therefrom. | |
| PL2207659T3 (en) | Method and apparatus for the production of coated moldings | |
| UA118559C2 (en) | Method for producing a reinforcement rod | |
| CN102432959A (en) | Environmentally-friendly foaming plate | |
| CN102336026A (en) | Direct on-line pultrusion process for fiber reinforced thermoplastic composite material | |
| CN104004354A (en) | Injection moulding method of long glass fiber reinforced nylon 66 materials | |
| WO2018231177A3 (en) | Plant and method for producing pumice blocks having cavities filled with insulation material | |
| CN109676971A (en) | A kind of production technology and its production line of profiled filament muscle material | |
| CN209566517U (en) | A kind of production line of fiber bar material | |
| CN105034406A (en) | Forming method of long glass fibre injection product | |
| CN102145511A (en) | Mechanized automatic die closing and removing method for producing gypsum ceiling board | |
| CN105295366A (en) | Polyamide thermal insulation strip preparation process | |
| KR101619258B1 (en) | Using the same mat-forming device FRP the septic tanks a method for manufacturing | |
| CN104626618B (en) | A kind of preparation method of glass fiber reinforced polyester ether ether ketone bar | |
| CN107902044A (en) | A kind of method being modeled using Novel ankle bracket system and Novel ankle bracket system | |
| CN107553938A (en) | A kind of glass fiber syringe pulling technique | |
| CN109572001A (en) | A kind of production technology of fiber reinforcement polyurethane composite material | |
| CN109940908A (en) | A kind of moulding process of carbon fiber and phenolic resin composite | |
| KR101515392B1 (en) | Carbon fiber complex coated by thermoplastic resin, manufacturing method thereof, and manufacturing apparatus thereof | |
| CN109333919B (en) | High-strength injection molding part, high-strength injection molding part machining equipment and high-strength injection molding part machining process | |
| EP3730275A3 (en) | Method for the direct compounding of fibre-reinforced composite materials for the production of moulded plastic parts and direct compounding device | |
| RU2778526C1 (en) | Line for producing a railway sleeper made of high-density polyethylene (hdpe) (including recycled materials) with addition of various composite materials and various materials from mineral and organic fibres | |
| CN110539507A (en) | Rapid pultrusion process | |
| CN107984562B (en) | Manufacturing method of RTM (resin transfer molding) bamboo bundle composite board | |
| KR101296446B1 (en) | Extrusion Die For Preparing Long Fiber Rainforced Synthetic Wood, Apparatus And Preparation Method Containing The Same, And Synthetic Wood Prepared Therefrom |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20151111 |