CN109602328A - Tubing, shaped piece and preparation method thereof, household electrical appliance, dust collector suction pipe and Body case of cleaner - Google Patents

Tubing, shaped piece and preparation method thereof, household electrical appliance, dust collector suction pipe and Body case of cleaner Download PDF

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Publication number
CN109602328A
CN109602328A CN201811585068.5A CN201811585068A CN109602328A CN 109602328 A CN109602328 A CN 109602328A CN 201811585068 A CN201811585068 A CN 201811585068A CN 109602328 A CN109602328 A CN 109602328A
Authority
CN
China
Prior art keywords
fiber
tubing
prepreg
shaped piece
internal layer
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
CN201811585068.5A
Other languages
Chinese (zh)
Inventor
顾皓
赵铠
江旭
孙建辉
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Midea Group Co Ltd
Jiangsu Midea Cleaning Appliances Co Ltd
Original Assignee
Midea Group Co Ltd
Jiangsu Midea Cleaning Appliances Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Midea Group Co Ltd, Jiangsu Midea Cleaning Appliances Co Ltd filed Critical Midea Group Co Ltd
Priority to CN201811585068.5A priority Critical patent/CN109602328A/en
Publication of CN109602328A publication Critical patent/CN109602328A/en
Pending legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
    • A47L9/24—Hoses or pipes; Hose or pipe couplings
    • 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
    • B29C70/34—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 shaping or impregnating by compression, i.e. combined with compressing after the lay-up operation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B1/00—Layered products having a general shape other than plane
    • B32B1/08—Tubular products
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B15/00—Layered products comprising a layer of metal
    • B32B15/14—Layered products comprising a layer of metal next to a fibrous or filamentary layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B15/00—Layered products comprising a layer of metal
    • B32B15/18—Layered products comprising a layer of metal comprising iron or steel
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
    • B32B17/06—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material
    • B32B17/067—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of fibres or filaments
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/12—Layered products comprising a layer of synthetic resin next to a fibrous or filamentary layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/22—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed
    • B32B5/24—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer
    • B32B5/26—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer another layer next to it also being fibrous or filamentary
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B9/00—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00
    • B32B9/04—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising such particular substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B9/047—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising such particular substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material made of fibres or filaments
    • 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
    • B29L2023/00—Tubular articles
    • B29L2023/22—Tubes or pipes, i.e. rigid
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2260/00—Layered product comprising an impregnated, embedded, or bonded layer wherein the layer comprises an impregnation, embedding, or binder material
    • B32B2260/02—Composition of the impregnated, bonded or embedded layer
    • B32B2260/021—Fibrous or filamentary layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2260/00—Layered product comprising an impregnated, embedded, or bonded layer wherein the layer comprises an impregnation, embedding, or binder material
    • B32B2260/04—Impregnation, embedding, or binder material
    • B32B2260/046—Synthetic resin
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/02—Synthetic macromolecular fibres
    • B32B2262/0261—Polyamide fibres
    • B32B2262/0269—Aromatic polyamide fibres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/10—Inorganic fibres
    • B32B2262/101—Glass fibres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/10—Inorganic fibres
    • B32B2262/103—Metal fibres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/10—Inorganic fibres
    • B32B2262/106—Carbon fibres, e.g. graphite fibres

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Ceramic Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Composite Materials (AREA)
  • Laminated Bodies (AREA)

Abstract

The present invention provides tubing, shaped piece and preparation method thereof, household electrical appliance, dust collector suction pipe and Body case of cleaner.The tubing or shaped piece include: internal layer, and the first fiber and the first resin are contained in the internal layer；Outer layer, the outer layer are arranged on the outer surface of the internal layer, and the second fiber and the second resin are contained in the outer layer, wherein the tensile strength of first fiber is less than the tensile strength of second fiber.The tubing or shaped piece good mechanical properties, thinner thickness, lighter in weight, cost is relatively low, and also has the distinctive appearance of the second fiber, has stronger technology sense, can greatly improve user experience.

Description

Tubing, shaped piece and preparation method thereof, household electrical appliance, dust collector suction pipe and dust catcher Shell
Technical field
The present invention relates to materials and technical field of electric appliances, specifically, being related to tubing, shaped piece and preparation method thereof, household Electric appliance, dust collector suction pipe and Body case of cleaner.
Background technique
The carbon fibre reinforcement performance excellent due to its high-strength light etc., is widely used in aerospace, automobile, sport Equal fields, with the development of carbon fiber vertical industry, manufacturing cost is gradually popular, and the application of household appliances also increasingly increases It is more, it is such as applied to dust catcher product extension tube, can largely reduce wall thickness, mitigate product weight, enhancing user Experience.But when carbon fibre reinforcement can satisfy product using specification, for household appliances product, cost becomes maximum and asks Topic, for example, in order to meet the specification of works of rigidity, compression strength, bending modulus and other similar aspect, carbon fibre reinforcement Molding and material cost become to make us hanging back, therefore, in household appliances using fewer and fewer.
Summary of the invention
The present invention is directed to solve at least some of the technical problems in related technologies.For this purpose, of the invention One purpose be to propose it is a kind of with good mechanical property, cost is relatively low or the tubing or shaped piece of appearance looks elegant.
In one aspect of the invention, the present invention provides a kind of tubing or shaped piece for household electrical appliance.According to this The embodiment of invention, the tubing or shaped piece include: internal layer, and the first fiber and the first resin are contained in the internal layer；Outer layer, institute It states outer layer to be arranged on the outer surface of the internal layer, the second fiber and the second resin is contained in the outer layer；Wherein, described first The tensile strength of fiber is less than the tensile strength of second fiber.Inventors have found that the tubing or shaped piece mechanical property are good Good, thinner thickness, lighter in weight and cost is relatively low, and also there is carbon fiber or the distinctive appearance of fiber, there is stronger science and technology Sense, can greatly improve user experience.
According to an embodiment of the invention, first fiber includes at least one of glass fibre and steel fibre；It is described Second fiber includes at least one of carbon fiber and aramid fiber (Kevlar) fiber.
According to an embodiment of the invention, the tubing or shaped piece with a thickness of 0.5mm~1.0mm.
According to an embodiment of the invention, the internal diameter of the tubing is 15mm~40mm.
According to an embodiment of the invention, the ratio of the thickness of the thickness and outer layer of the internal layer is 50~95:50~5.
According to an embodiment of the invention, the internal layer meets at least at least one of condition below: density 1.5g/ cm3~2.5g/cm3；Based on the gross mass of the internal layer, the mass percentage of first fiber is 5%~50%.
According to an embodiment of the invention, first fiber includes the first fiber braiding layer, first fiber braiding layer Including at least one of glass fibre woven roving and glass mat.
According to an embodiment of the invention, the outer layer meets at least one of the following conditions: density 1.2g/cm3~ 1.8g/cm3；Based on the gross mass of the outer layer, the mass percentage of second fiber is 5%~50%.
According to an embodiment of the invention, second fiber includes the second fiber braiding layer, second fiber braiding layer Including in carbon fiber twill, carbon fiber unidirectional cloth, carbon fiber marble grain cloth, the unidirectional woven cloth of aramid fiber and aramid fiber braid over braid It is at least one.
According to an embodiment of the invention, first resin and second resin are respectively thermosetting resin or thermoplasticity Resin, the thermosetting resin include at least one of epoxy resin and phenolic resin, and the thermoplastic resin includes poly- third At least one of alkene, ABS resin, nylon and polycarbonate.
In another aspect of this invention, the present invention provides a kind of methods for preparing mentioned-above tubing or shaped piece. According to an embodiment of the invention, this method comprises: obtaining the first prepreg in the first fiber the first resin of immersion；By second Fiber immerses in the second resin, obtains the second prepreg；First prepreg and second prepreg are carried out at molding Reason, obtains the tubing；Wherein, the forming processes include that prepreg coiling and molding is handled, prepreg compression molding is handled, pre- At least one of prepreg overlay forming processes and prepreg cutting and rewinding forming processes.Inventors have found that previously prepared obtain Prepreg, forming processes then are carried out to prepreg again, avoid injection molding, blow moulding process to Resin Flow, The content of fiber in internal layer and/or outer layer can be improved to improve the rigidity and compressive property of tubing or shaped piece, while to pipe There is no limit can according to need and prepare thinner thickness and the longer tubing of length or abnormity for material or shaped piece thickness and length Part.
According to an embodiment of the invention, prepreg coiling and molding processing includes: will be using roller successively by described the One prepreg and second prepreg obtain tubulose green body on mold；The tubulose green body is subjected to curing process After demould, obtain the tubing.
In another aspect of the invention, the present invention provides a kind of household electrical appliance.According to an embodiment of the invention, the household Electric appliance includes mentioned-above tubing or shaped piece.The household electrical appliance include whole features of mentioned-above tubing or shaped piece And advantage, this is no longer going to repeat them.
In still another aspect of the invention, the present invention provides a kind of suction pipes of dust catcher.According to an embodiment of the invention, should The suction pipe of dust catcher includes: tubular body, and the tubular body has longitudinal axis, the tubular body connection cooperation dust catcher Form fluid supplying passage after host, and including internal layer and the outer layer being arranged on the outer surface of the internal layer, the internal layer and The outer layer such as front is limited.While the suction pipe has the intensity for meeting requirement as a result, relatively thin thickness may be implemented Degree and lighter weight, lightweight and portable use convenient for dust catcher.
In still another aspect of the invention, the present invention provides a kind of shells of dust catcher.According to an embodiment of the invention, should Shell includes internal layer and the outer layer that is arranged on the outer surface of the internal layer, and the internal layer and the outer layer such as front are limited.
Detailed description of the invention
Fig. 1 is the schematic diagram of the section structure of the tubing of the embodiment of the present invention.
Fig. 2 is the twill appearance schematic diagram of the embodiment of the present invention.
Fig. 3 is the unidirectional cloth appearance schematic diagram of the embodiment of the present invention.
Fig. 4 is the marble grain cloth appearance schematic diagram of the embodiment of the present invention.
Fig. 5 is the flow diagram of the method for preparing tubing of the embodiment of the present invention.
Fig. 6 is the effect diagram that the embodiment of the present invention is rigidly tested.
The structural schematic diagram of the shaped piece of Fig. 7 embodiment of the present invention.
Specific embodiment
The embodiment of the present invention is described below in detail.The embodiments described below is exemplary, and is only used for explaining this hair It is bright, and be not considered as limiting the invention.Particular technique or condition are not specified in embodiment, according to text in the art It offers described technology or conditions or is carried out according to product description.Reagents or instruments used without specified manufacturer, For can be with conventional products that are commercially available.
In one aspect of the invention, the present invention provides a kind of tubing or shaped piece for household electrical appliance.According to this The embodiment of invention, the tubing (structural schematic diagram is referring to Fig.1) or shaped piece include: internal layer 1, contain first in the internal layer 1 Fiber and the first resin；Outer layer 2, the outer layer are arranged on the outer surface of the internal layer 1, and the second fiber is contained in the outer layer With the second resin, and the tensile strength of first fiber be less than second fiber tensile strength.Inventors have found that the pipe Material or shaped piece not only good mechanical properties, thinner thickness, lighter in weight, cost is relatively low, and also has good appearance, have Stronger technology sense can greatly improve user experience.
According to an embodiment of the invention, describing mode " shaped piece " used by herein refers to any non-flat structure, I.e. at least one surface is non-planar, and specific shape is not particularly limited, such as common household electrical appliance such as dust catcher, sweeper The shell etc. of device people etc..
According to an embodiment of the invention, first fiber includes at least one of glass fibre and steel fibre；It is described Second fiber includes at least one of carbon fiber and aramid fiber.The second fiber can make tubing or shaped piece exist as a result, While with the mechanical property for meeting requirement, there is relatively thin thickness and lighter quality, but also enable to pipe Material or shaped piece realize carbon fiber or the distinctive appearance of aramid fiber, have stronger technology sense, improve user experience, and second Fiber can make tubing or shaped piece realize that lower cost, the two combine, and all using glass fibre or steel fibre phase Than, realize thinner thickness, lighter quality and better appearance, and with all using carbon fiber or aramid fiber compared with, Realize lower cost.
According to an embodiment of the invention, the tubing or shaped piece with a thickness of 0.5mm~1.0mm, as 0.5mm, 0.6mm, 0.7mm, 0.8mm, 0.9mm, 1.0mm etc..Relative to other thickness ranges, which can make tubing or different Shape part has more suitable mechanical property, can better meet the requirement of household electrical appliance, and lighter weight, cost compared with It is low, it will lead to tubing or shaped piece total quality is overweight if blocked up, and performance is superfluous, if excessively thin not only result in can not expire The corresponding compression strength of foot and rigid requirements, it is low also to will cause manufactured product yield.
According to an embodiment of the invention, the internal diameter of the tubing be 15mm~40mm, as 15mm, 20mm, 25mm, 30mm, 35mm, 40mm etc..Thereby, it is possible to better meet the requirement of household electrical appliance, suction pipe is inhaled especially suitable for dust suction.
According to an embodiment of the invention, the ratio of the thickness of the thickness and outer layer of the internal layer is 50~95:50~5, tool Body can be 50:50,55:45,60:40,65:35,70:30,75:25,80:20,85:15,90:10,95:5 etc..Relative to it His proportional region, aforementioned proportion range can either make tubing or shaped piece have the intensity for meeting household electrical appliance requirement, It can guarantee relatively thin thickness, lighter weight and lower cost simultaneously.If outer layer thickness ratio is excessive, cost is lost Advantage is unable to reach required intensity if outer layer thickness ratio is too small.
According to an embodiment of the invention, the density of internal layer can be 1.5g/cm3~2.5g/cm3, such as 1.5g/cm3、1.6g/ cm3、1.7g/cm3、1.8g/cm3、1.9g/cm3、2.0g/cm3、2.1g/cm3、2.2g/cm3、2.3g/cm3、2.4g/cm3、 2.5g/cm3Deng.In the density range, it can make tubing or shaped piece that there is stronger quality, better meet household electrical appliance The requirement of lightweight and portable use.If density is excessive, heavier-weight is unfavorable for the lightweight of household electrical appliance and portable makes With if density is too small, mechanical property is relatively undesirable.
According to an embodiment of the invention, the gross mass based on the internal layer, the mass percentage of first fiber are 5%~50%, it can be 10%~30% in some embodiments, can be 10%~20% etc. in other embodiments, tool Body can be 5%, 10%, 15%, 20%, 25%, 30%, 35%, 40%, 45%, 50% etc..Relative to other content models It encloses, above-mentioned content range can make tubing or shaped piece has good rigidity and compression strength, and increase compared to traditional fibre Strong material, fiber content is higher in the internal layer, can be further improved mechanical property, so that the thickness of tubing or shaped piece can be with Thinner, weight can be lighter.
According to an embodiment of the invention, first fiber may include the first fiber braiding layer.Some specific embodiments In, first fiber braiding layer includes at least one of glass fibre woven roving and glass mat.As a result, in identical fibre It is spent under conditions of dimension hplc, before the rigidity and resistance to compression of internal layer more preferable.
According to an embodiment of the invention, steel fibre can be provided in the form of common ultrashort ultra-fine steel fibre, preparing It can be merged by way of dipping with resin base material in the process, form prepreg, then forming processes form internal layer.
According to an embodiment of the invention, the density of outer layer can be 1.2g/cm3~1.8g/cm3, such as 1.2g/cm3、1.3g/ cm3、1.4g/cm3、1.5g/cm3、1.6g/cm3、1.7g/cm3、1.8g/cm3Deng.In the density range, can make tubing or Shaped piece has stronger quality, better meets household electrical appliance lightweight and the requirement of portable use.If density is excessive, Heavier-weight is unfavorable for lightweight and the portable use of household electrical appliance, if density excessively under, mechanical property is relatively undesirable.
According to an embodiment of the invention, the gross mass based on the outer layer, the mass percentage of second fiber are 5%~50%, it can be 10%~30% in some embodiments, can be 10%~20% etc. in other embodiments, tool Body can be 5%, 10%, 15%, 20%, 25%, 30%, 35%, 40%, 45%, 50% etc..Relative to other content models It encloses, above-mentioned content range can make tubing or shaped piece has good rigidity and compression strength, and increase compared to traditional fibre Strong material, fiber content is higher in the internal layer, can be further improved mechanical property, so that the thickness of tubing or shaped piece can be with Thinner, weight can be lighter.
According to an embodiment of the invention, second fiber includes the second fiber braiding layer.In some specific embodiments, institute Stating the second fiber braiding layer includes carbon fiber twill, carbon fiber unidirectional cloth, carbon fiber marble grain cloth, the unidirectional woven cloth of aramid fiber At least one of with aramid fiber braid over braid.As a result, under conditions of identical fibre content, spent more before the rigidity and resistance to compression of internal layer It is good, and specific appearance can also be provided for tubing or shaped piece, such as twill appearance (schematic diagram is referring to fig. 2), unidirectionally Cloth appearance (schematic diagram is referring to Fig. 3), marble grain appearance (schematic diagram is referring to fig. 4) etc., not only appearance looks elegant, and have stronger Technology sense, and then user experience can be greatly improved.
According to an embodiment of the invention, first resin and second resin are respectively thermosetting resin or thermoplasticity Resin, the thermosetting resin include at least one of epoxy resin and phenolic resin, and the thermoplastic resin includes poly- third At least one of alkene, ABS resin, nylon and polycarbonate.Resin material is from a wealth of sources as a result, and cost is relatively low, and has good Good service performance.
In another aspect of this invention, the present invention provides a kind of methods for preparing mentioned-above tubing or shaped piece. According to an embodiment of the invention, this method comprises: obtaining the first prepreg in the first fiber the first resin of immersion；By second Fiber immerses in the second resin, obtains the second prepreg；First prepreg and second prepreg are carried out at molding Reason, obtains the tubing；Wherein, the forming processes include that prepreg coiling and molding is handled, prepreg compression molding is handled, pre- At least one of prepreg overlay forming processes and prepreg cutting and rewinding forming processes.Inventors have found that previously prepared obtain Prepreg, forming processes then are carried out to prepreg again, avoid injection molding, blow moulding process to Resin Flow, The content of fiber in internal layer and/or outer layer can be improved to improve the rigidity and compressive property of tubing or shaped piece, while to pipe There is no limit can according to need and prepare thinner thickness and the longer tubing of length or abnormity for material or shaped piece thickness and length Part.
According to an embodiment of the invention, the prepreg coiling and molding processing includes: that will utilize roller successively referring to Fig. 5 By first prepreg and second prepreg on mold, tubulose green body is obtained；The tubulose green body is carried out It is demoulded after curing process, obtains the tubing.Forming process, which does not need the first resin of limitation and the second resin, as a result, to have Good mobility, condition are looser, it is easy to accomplish, and the thickness of tubing and length are not also limited by technique, it can basis Need to prepare thinner thickness and the longer tubing of length.
According to an embodiment of the invention, prepreg compression molding processing includes: by prepreg overlay in warmed-up mold Surface, and pre-compacted processing is carried out to it by the way of vacuumizing and drying, removal volatile matter reduces porosity, finally to upper It states after the green body that step obtains applies pressure-cure processing and demoulds；The prepreg overlay forming processes include: to spread prepreg Layer lower layer of prepreg of laying again after warmed-up die surface, pre-compacted, with this it is reciprocal until reaching the required number of plies after, most It is demoulded after applying pressure-cure processing to the green body that above-mentioned steps obtain afterwards；The prepreg cutting and rewinding forming processes include: Wide cut prepreg is cut as behind narrowband, automatic placement is after tube body mandrel surface, curing molding.Forming process is not required to as a result, Good mobility must be had by limiting the first resin and the second resin, and condition is looser, it is easy to accomplish, and the thickness of tubing Degree and length are not also limited by technique, be can according to need and are prepared thinner thickness and the longer tubing of length.
In another aspect of the invention, the present invention provides a kind of household electrical appliance.According to an embodiment of the invention, the household Electric appliance includes mentioned-above tubing and/or shaped piece.The household electrical appliance include the whole of mentioned-above tubing or shaped piece Feature and advantage, this is no longer going to repeat them.
It should be noted that the household electrical appliance further include conventional household electric in addition to mentioned-above tubing and/or shaped piece Device is not required to the conventional structure and component having, for example, may include shell (such as procapsid, back casing by taking dust catcher as an example Deng), suction fitting, dust storage chamber, blower, vibrationproof component, air duct, extension tube, handle etc. structure, this is no longer going to repeat them.
In still another aspect of the invention, the present invention provides a kind of suction pipes of dust catcher.According to an embodiment of the invention, should The suction pipe of dust catcher includes: tubular body, and the tubular body has longitudinal axis, the tubular body connection cooperation dust catcher Form fluid supplying passage after host, and including internal layer and the outer layer being arranged on the outer surface of the internal layer, the internal layer and The outer layer such as front is limited.While the suction pipe has the intensity for meeting requirement as a result, relatively thin thickness may be implemented Degree, lighter weight and the stronger appearance of technology sense, lightweight and portable use convenient for dust catcher, and use can be significantly improved Family experience.
In still another aspect of the invention, the present invention provides a kind of shells of dust catcher.According to an embodiment of the invention, should Shell includes internal layer and the outer layer that is arranged on the outer surface of the internal layer, and the internal layer and the outer layer such as front are limited. Above-mentioned shell, can be with the drop of maximum possible while improving the rigidity and compression strength of elongated tube of air cleaner and shell as a result, Its low weight, thickness and cost, and it is also able to achieve the distinctive appearance of the second fiber, appearance looks elegant degree is improved, is provided strong Technology sense, and then improve user experience.
The embodiment of the present invention is described below in detail.
Embodiment 1
Glass fibre woven roving is immersed in epoxy resin, the first prepreg is obtained, carbon fiber twill is immersed into epoxy Resin obtains the second prepreg, using roller successively by the first prepreg and the second prepreg on cylindrical mold, Obtain tubulose green body；Then it being demoulded after the tubulose green body being carried out curing process, obtains tubing, the wall thickness of tubing is 0.6mm, Wherein internal layer with a thickness of 0.3mm, outer layer with a thickness of 0.3mm, internal diameter 35mm, the content of glass fibre is in internal layer 30%, the density of internal layer is 1.8g/cm3, the content of carbon fiber is 20% in outer layer, and the density of outer layer is 1.6g/cm3。
Embodiment 2
Glass mat is immersed in epoxy resin, the first prepreg is obtained, carbon fiber twill is immersed into epoxy resin, The second prepreg is obtained, using roller successively by the first prepreg and the second prepreg on cylindrical mold, is obtained Tubulose green body；Then it being demoulded after the tubulose green body being carried out curing process, obtains tubing, the wall thickness of tubing is 0.8mm, wherein Internal layer with a thickness of 0.6mm, outer layer with a thickness of 0.2mm, internal diameter 35mm, the content of glass fibre is 30% in internal layer, interior The density of layer is 1.78g/cm3, the content of carbon fiber is 20% in outer layer, and the density of outer layer is 1.64g/cm3。
Embodiment 3
Glass mat is immersed in epoxy resin, the first prepreg is obtained, carbon fiber twill is immersed into epoxy resin, The second prepreg is obtained, using roller successively by the first prepreg and the second prepreg on cylindrical mold, is obtained Tubulose green body；Then it being demoulded after the tubulose green body being carried out curing process, obtains tubing, the wall thickness of tubing is 1.0mm, wherein Internal layer with a thickness of 0.85mm, outer layer with a thickness of 0.15mm, internal diameter 35mm, the content of glass fibre is 40% in internal layer, The density of internal layer is 1.84g/cm3, the content of carbon fiber is 15% in outer layer, and the density of outer layer is 1.63g/cm3。
Embodiment 4
Glass fibre woven roving is immersed in nylon, the first prepreg is obtained, carbon fiber twill is immersed into nylon, is obtained Second prepreg obtains tubulose using roller successively by the first prepreg and the second prepreg on cylindrical mold Green body；Then it is demoulded after the tubulose green body being carried out curing process, obtains tubing, the wall thickness of tubing is 0.6mm, wherein internal layer With a thickness of 0.3mm, outer layer with a thickness of 0.3mm, internal diameter 35mm, the content of glass fibre is 30% in internal layer, internal layer Density is 1.47g/cm3, the content of carbon fiber is 20% in outer layer, and the density of outer layer is 1.29g/cm3。
Embodiment 5
Glass fibre woven roving is immersed in nylon, the first prepreg is obtained, carbon fiber twill is immersed into nylon, is obtained Second prepreg obtains tubulose using roller successively by the first prepreg and the second prepreg on cylindrical mold Green body；Then it is demoulded after the tubulose green body being carried out curing process, obtains tubing, the wall thickness of tubing is 0.8mm, wherein internal layer With a thickness of 0.6mm, outer layer with a thickness of 0.2mm, internal diameter 35mm, the content of glass fibre is 30% in internal layer, internal layer Density is 1.47g/cm3, the content of carbon fiber is 20% in outer layer, and the density of outer layer is 1.29g/cm3。
Embodiment 6
Glass fibre woven roving is immersed in nylon, the first prepreg is obtained, carbon fiber twill is immersed into nylon, is obtained Second prepreg obtains tubulose using roller successively by the first prepreg and the second prepreg on cylindrical mold Green body；Then it is demoulded after the tubulose green body being carried out curing process, obtains tubing, the wall thickness of tubing is 1.0mm, wherein internal layer With a thickness of 0.85mm, outer layer with a thickness of 0.15mm, internal diameter 35mm, the content of glass fibre is 40% in internal layer, internal layer Density be 1.58g/cm3, the content of carbon fiber is 15% in outer layer, and the density of outer layer is 1.26g/cm3。
Embodiment 7
Steel fibre is immersed in epoxy resin, the first prepreg is obtained, Kevlar fiber is immersed into epoxy resin, obtains the Two prepregs obtain tubulose base using roller successively by the first prepreg and the second prepreg on cylindrical mold Body；Then will the tubulose green body carry out curing process after demould, obtain tubing, the wall thickness of tubing is 0.8mm, wherein internal layer With a thickness of 0.6, outer layer with a thickness of 0.2mm, internal diameter 35mm, the content of steel fibre is 5% in internal layer, and the density of internal layer is 1.91g/cm3, the content of Kevlar fiber is 20% in outer layer, and the density of outer layer is 1.57g/cm3。
Embodiment 8
Glass fibre is immersed in epoxy resin, the first prepreg is obtained, Kevlar fiber is immersed into epoxy resin, is obtained Second prepreg obtains tubulose using roller successively by the first prepreg and the second prepreg on cylindrical mold Green body；Then it is demoulded after the tubulose green body being carried out curing process, obtains tubing, the wall thickness of tubing is 0.6mm, wherein internal layer With a thickness of 0.45, outer layer with a thickness of 0.15mm, internal diameter 35mm, the content of glass fibre is 30% in internal layer, internal layer Density is 1.78g/cm3, the content of Kevlar fiber is 20% in outer layer, and the density of outer layer is 1.57g/cm3。
Embodiment 9
Glass mat is immersed in epoxy resin, the first prepreg is obtained, carbon fiber marble grain cloth is immersed into epoxy Resin obtains the second prepreg, successively by the first prepreg and the second prepreg overlay in warmed-up die surface and use The mode of vacuumizing and drying carries out pre-compacted processing to it, and removal volatile matter reduces porosity, finally obtains to above-mentioned steps Green body applies pressure, obtains shaped piece green body (structural schematic diagram is referring to Fig. 7)；Then after shaped piece green body being carried out curing process Demoulding, obtains shaped piece, and the wall thickness of shaped piece is 1.2mm, wherein internal layer with a thickness of 0.6mm, outer layer with a thickness of 0.6mm, The content of glass fibre is 30% in internal layer, and the density of internal layer is 1.78g/cm3, the content of carbon fiber is 20% in outer layer, outside The density of layer is 1.57g/cm3。
Comparative example 1
The single layer tubing formed by the inner layer material of embodiment 1, other are same as Example 1.
Comparative example 2
The single layer tubing formed by the cladding material of embodiment 1, other are same as Example 1.
Performance detection:
1, rigidity test (test schematic diagram is referring to Fig. 6): the tooling a for being 50mm by tubing b insertion depth X, and in distance L suspended weights are the counterweight G of 20kg at the 250mm of end face, continue 5min, nozzle is not broken (allowing to whiten but not split), then Test passes.
2, intensity test: Pipe samples are placed on ground, apply the power of 700N at tubing left, center, right 1min, contact width are about 90mm~100mm, and sample is remained to normally assemble and be used after test, then test passes.
Test result: the tubing in embodiment 1-9, comparative example 2 can have by rigidity test and intensity test Carbon fiber or aramid fiber appearance, and the tubing in comparative example 1 can not be by rigidity test and intensity test, and appearance has There is certain transparency, it may appear that floating fibre phenomenon.
In the description of the present invention, it is to be understood that, in addition, term " first ", " second " are used for description purposes only, and It cannot be understood as indicating or implying relative importance or implicitly indicate the quantity of indicated technical characteristic.It defines as a result, The feature of " first ", " second " can explicitly or implicitly include one or more of the features.In description of the invention In, the meaning of " plurality " is two or more, unless otherwise specifically defined.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example Point is included at least one embodiment or example of the invention.In the present specification, schematic expression of the above terms are not It must be directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be in office It can be combined in any suitable manner in one or more embodiment or examples.In addition, without conflicting with each other, the skill of this field Art personnel can tie the feature of different embodiments or examples described in this specification and different embodiments or examples It closes and combines.
Although the embodiments of the present invention has been shown and described above, it is to be understood that above-described embodiment is example Property, it is not considered as limiting the invention, those skilled in the art within the scope of the invention can be to above-mentioned Embodiment is changed, modifies, replacement and variant.

Claims (13)

1. a kind of tubing or shaped piece for household electrical appliance characterized by comprising
Internal layer contains the first fiber and the first resin in the internal layer；
Outer layer, the outer layer are arranged on the outer surface of the internal layer, and the second fiber and the second resin are contained in the outer layer,
The tensile strength of first fiber is less than the tensile strength of second fiber.
2. tubing according to claim 1 or shaped piece, which is characterized in that first fiber includes glass fibre and steel At least one of fiber；
Second fiber includes at least one of carbon fiber and aramid fiber.
3. tubing according to claim 1 or shaped piece, which is characterized in that meet at least one of the following conditions:
With a thickness of 0.5mm~1.0mm；
The internal diameter of the tubing is 15mm~40mm；
The ratio of the thickness of the thickness and outer layer of the internal layer is 50~95:50~5.
4. tubing according to claim 1 or shaped piece, which is characterized in that the internal layer meets at least condition below At least one:
Density is 1.5g/cm3~2.5g/cm3；
Based on the gross mass of the internal layer, the mass percentage of first fiber is 5%~50%.
5. tubing according to claim 1 or shaped piece, which is characterized in that first fiber includes the first fibrage Layer, first fiber braiding layer includes at least one of glass fibre woven roving and glass mat.
6. tubing according to claim 1 or shaped piece, which is characterized in that the outer layer meet the following conditions at least it One:
Density is 1.2g/cm3~1.8g/cm3；
Based on the gross mass of the outer layer, the mass percentage of second fiber is 5%~50%.
7. tubing according to claim 1 or shaped piece, which is characterized in that second fiber includes the second fibrage Layer, second fiber braiding layer include that carbon fiber twill, carbon fiber unidirectional cloth, carbon fiber marble grain cloth, aramid fiber are unidirectional At least one of woven cloth and aramid fiber braid over braid.
8. tubing according to claim 1 or shaped piece, which is characterized in that first resin and second resin point Not Wei thermosetting resin or thermoplastic resin, the thermosetting resin includes at least one of epoxy resin and phenolic resin, The thermoplastic resin includes at least one of polypropylene, ABS resin, nylon and polycarbonate.
9. a kind of method for preparing tubing or shaped piece of any of claims 1-8 characterized by comprising
First fiber is immersed in the first resin, the first prepreg is obtained；
Second fiber is immersed in the second resin, the second prepreg is obtained；
First prepreg and second prepreg are subjected to forming processes, obtain the tubing；
Wherein, the forming processes include prepreg coiling and molding processing, prepreg compression molding processing, pre- prepreg overlay at At least one of type processing and prepreg cutting and rewinding forming processes.
10. according to the method described in claim 9, it is characterized in that, prepreg coiling and molding processing includes:
Using roller successively by first prepreg and second prepreg on mold, tubulose green body is obtained；
It is demoulded after the tubulose green body is carried out curing process, obtains the tubing.
11. a kind of household electrical appliance, which is characterized in that including tubing of any of claims 1-8 and/or shaped piece.
12. a kind of suction pipe of dust catcher characterized by comprising
Tubular body, the tubular body have longitudinal axis, form stream after the tubular body connection cooperation dust collector host Body transfer passage, and including internal layer and the outer layer being arranged on the outer surface of the internal layer, the internal layer and the outer layer are as weighed Benefit requires restriction described in any one of 1-8.
13. a kind of shell of dust catcher, which is characterized in that including internal layer and the outer layer that is arranged on the outer surface of the internal layer, The internal layer and the outer layer are limited as described in any one of claim 1-8.
CN201811585068.5A 2018-12-24 2018-12-24 Tubing, shaped piece and preparation method thereof, household electrical appliance, dust collector suction pipe and Body case of cleaner Pending CN109602328A (en)

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CN2465945Y (en) * 2000-12-28 2001-12-19 李永树 Single-side metal foil plastic composite reinforced thin sheet
CN1678862A (en) * 2002-09-03 2005-10-05 株式会社日轮 Vibration absorbing pipe
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CN205836107U (en) * 2016-05-20 2016-12-28 深圳市大疆创新科技有限公司 Pultrusion tubing
CN108262981A (en) * 2018-03-27 2018-07-10 航天特种材料及工艺技术研究所 A kind of bistable state shell structure and its method for continuous production with C-shaped section

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Publication number Priority date Publication date Assignee Title
CN2465945Y (en) * 2000-12-28 2001-12-19 李永树 Single-side metal foil plastic composite reinforced thin sheet
CN1678862A (en) * 2002-09-03 2005-10-05 株式会社日轮 Vibration absorbing pipe
CN201222157Y (en) * 2008-07-18 2009-04-15 威宝摄影器材有限公司 Novel foot tube for camera foot rest
JP2013026077A (en) * 2011-07-22 2013-02-04 Kyowa Densen Kk Covered wire and manufacturing method therefor
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Application publication date: 20190412