CN111648162A - Loudspeaker cone paper cone - Google Patents

Loudspeaker cone paper cone Download PDF

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Publication number
CN111648162A
CN111648162A CN202010544331.7A CN202010544331A CN111648162A CN 111648162 A CN111648162 A CN 111648162A CN 202010544331 A CN202010544331 A CN 202010544331A CN 111648162 A CN111648162 A CN 111648162A
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CN
China
Prior art keywords
parts
plant
cone
fiber
paper
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Pending
Application number
CN202010544331.7A
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Chinese (zh)
Inventor
葛元进
葛钢
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Nanjing Wenxin Acoustic Technology Co.,Ltd.
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Nanjing Wenle Acoustic Technology Co Ltd
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Priority to CN202010544331.7A priority Critical patent/CN111648162A/en
Publication of CN111648162A publication Critical patent/CN111648162A/en
Pending legal-status Critical Current

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Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H27/00—Special paper not otherwise provided for, e.g. made by multi-step processes
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
    • D21F13/00—Making discontinuous sheets of paper, pulpboard or cardboard, or of wet web, for fibreboard production
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H11/00—Pulp or paper, comprising cellulose or lignocellulose fibres of natural origin only
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H13/00—Pulp or paper, comprising synthetic cellulose or non-cellulose fibres or web-forming material
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H15/00—Pulp or paper, comprising fibres or web-forming material characterised by features other than their chemical constitution
    • D21H15/02—Pulp or paper, comprising fibres or web-forming material characterised by features other than their chemical constitution characterised by configuration
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H15/00—Pulp or paper, comprising fibres or web-forming material characterised by features other than their chemical constitution
    • D21H15/02—Pulp or paper, comprising fibres or web-forming material characterised by features other than their chemical constitution characterised by configuration
    • D21H15/06—Long fibres, i.e. fibres exceeding the upper length limit of conventional paper-making fibres; Filaments
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
    • D21H17/03—Non-macromolecular organic compounds
    • D21H17/05—Non-macromolecular organic compounds containing elements other than carbon and hydrogen only
    • D21H17/14—Carboxylic acids; Derivatives thereof
    • D21H17/15—Polycarboxylic acids, e.g. maleic acid
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
    • D21H17/20—Macromolecular organic compounds
    • D21H17/21—Macromolecular organic compounds of natural origin; Derivatives thereof
    • D21H17/23—Lignins
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
    • D21H17/20—Macromolecular organic compounds
    • D21H17/33—Synthetic macromolecular compounds
    • D21H17/46—Synthetic macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • D21H17/47—Condensation polymers of aldehydes or ketones
    • D21H17/49—Condensation polymers of aldehydes or ketones with compounds containing hydrogen bound to nitrogen
    • D21H17/51—Triazines, e.g. melamine
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
    • D21H17/62—Rosin; Derivatives thereof
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
    • D21H17/63—Inorganic compounds
    • D21H17/66—Salts, e.g. alums
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
    • D21H21/14—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by function or properties in or on the paper
    • D21H21/28—Colorants ; Pigments or opacifying agents
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R7/00—Diaphragms for electromechanical transducers; Cones

Abstract

The invention relates to a cone paper cone of a loudspeaker, which relates to the field of loudspeakers and aims to solve the problems that the existing cone paper cone has poor raw material mixing performance and influences the tone quality of the cone paper cone, and the cone paper cone comprises the following raw materials in parts by weight: 50-80 parts of plant long fiber, 18-42 parts of plant short fiber, 30-56 parts of non-plant pulp fiber, 1-5 parts of compatible ionic agent, 40-66 parts of rosin, 30-55 parts of aluminum sulfate, 20-36 parts of melamine and 10-22 parts of pigment. The cone paper cone of the invention can sound well for various original sounds by mixing the plant fiber and the non-plant paper pulp fiber, and the cone paper cone of the invention can well mix the plant fiber and the non-plant paper pulp fiber together by adding the compatible ionic agent, thereby greatly improving the sound permeability and the auditory sense of the cone.

Description

Loudspeaker cone paper cone
Technical Field
The invention relates to the technical field of speakers, in particular to a cone paper cone of a speaker.
Background
The loudspeaker is a transducer for converting an electric signal into an acoustic signal, and audio electric energy enables a cone or a diaphragm of the loudspeaker to vibrate and generate friction with surrounding air to make sound through electromagnetic, piezoelectric or electrostatic effects; the quality of the cone determines to a large extent the quality of the sound quality of the loudspeaker. The existing cone can be divided into a pure cone and a composite cone, the cone and the vibration yoke ring of the pure cone are both made of paper, the cone and the vibration yoke ring of the composite cone are made of two materials respectively, and finally the cone and the vibration yoke ring are bonded together to obtain the cone.
The common cone paper cone is made of two types of natural fibers and artificial fibers, wherein the natural fibers are cotton, wood, wool, spun silk and the like, and the artificial fibers are rayon, nylon, glass fiber and the like; however, most of the existing cone cones are made of single materials, so that the cone cones only have good sounding quality in corresponding ranges, such as wool woven cones are soft in texture, the cone cones have excellent performance on soft music and light music, but have poor bass effect and lack strength and impact.
The existing application number is CN201710045156.5, and discloses a waterproof flame-retardant cone, the slurry of the cone is mainly formed by mixing and stirring the following raw materials in parts by weight: 45-65 parts of wood pulp, 15-30 parts of sisal, 10-20 parts of cotton pulp, 10-20 parts of kapok, 0.3-1 part of bulletproof fiber, 0.1-0.8 part of wool, 0.05-0.5 part of glass fiber, 2-8 parts of dye, 1-5 parts of salt, 3-8 parts of hardening agent, 3-8 parts of toughening agent, 3-8 parts of regulator, 3-8 parts of waterproof agent and 3-8 parts of flame retardant.
The above prior art solutions have the following drawbacks: although the raw materials of the above patent adopt various materials, such as glass fiber and wool, etc., which can better improve the tone quality of cone paper cone and cone, for the materials such as wood pulp, glass fiber and wool, which belong to plant fiber and non-plant fiber, the mixing property is very poor, and they can not be well combined together, still resulting in the tone quality of cone paper cone being thin and bad listening feeling.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a loudspeaker cone paper cone, which adopts plant fibers and non-plant paper pulp fibers as raw materials, so that the loudspeaker cone paper cone can sound well for various original sounds, and the plant fibers and the non-plant paper pulp fibers can be well mixed together by adding a compatible ionic agent, so that the sound permeability and the auditory sense of the loudspeaker cone are greatly improved.
The above object of the present invention is achieved by the following technical solutions:
a cone paper cone of a loudspeaker comprises the following raw materials in parts by weight: 50-80 parts of plant long fiber, 18-42 parts of plant short fiber, 30-56 parts of non-plant pulp fiber, 1-5 parts of compatible ionic agent, 40-66 parts of rosin, 30-55 parts of aluminum sulfate, 20-36 parts of melamine and 10-22 parts of pigment.
By adopting the technical scheme, the long plant fiber has good plate property and directivity due to long fiber, and is strong in rigidity; the plant short fibers have no directionality and good flexibility due to short fibers; the looseness of the non-plant paper pulp fibers is very excellent, the plant long fibers, the plant short fibers and the non-plant paper pulp fibers are mixed in a specific proportion, and the plant long fibers, the plant short fibers and the non-plant paper pulp fibers are matched rigidly and flexibly, so that the cone paper cone has good looseness, and the cone paper cone has good sound permeability and sound perception for various original sounds; meanwhile, because the invention also adds compatible ionic agent, the compatible ionic agent can promote the plant long fiber and the plant short fiber to have negative charge, and the non-plant paper pulp fiber has positive charge, and the plant long fiber, the plant short fiber and the non-plant paper pulp fiber can be well mixed together by utilizing the principle that the positive charge and the negative charge are attracted, thereby greatly improving the sound permeability and the auditory sense of the cone paper cone to different original sound; meanwhile, rosin, aluminum sulfate, melamine and pigment are added as auxiliary materials, the rosin can improve the bonding strength of components in the cone paper cone and improve the waterproof performance of the cone paper cone, and the melamine can reduce moisture absorption of the cone paper cone; the aluminum sulfate can improve the bonding strength of the cone paper cone, and the pigment can adjust the cone paper cone to the required color according to the requirement.
The invention is further provided that the raw materials comprise the following components in parts by weight: 61-73 parts of plant long fiber, 27-41 parts of plant short fiber, 39-49 parts of non-plant pulp fiber, 2-4 parts of compatible ionic agent, 50-60 parts of rosin, 40-48 parts of aluminum sulfate, 25-32 parts of melamine and 12-17 parts of pigment.
By adopting the technical scheme, the component contents of the plant long fiber, the plant short fiber, the non-plant pulp fiber and the compatible ionic agent are further optimized, so that the plant long fiber, the plant short fiber, the non-plant pulp fiber and the compatible ionic agent are better compatible, and the sound permeability and the auditory sensation of the cone paper cone to different original sound are further improved.
The invention is further provided that the raw materials comprise the following components in parts by weight: 70 parts of plant long fiber, 30 parts of plant short fiber, 43 parts of non-plant pulp fiber, 3 parts of compatible ionic agent, 57 parts of rosin, 43 parts of aluminum sulfate, 29 parts of melamine and 14 parts of pigment.
By adopting the technical scheme, the component contents of the plant long fiber, the plant short fiber, the non-plant pulp fiber and the compatible ionic agent are further determined, so that the plant long fiber, the plant short fiber, the non-plant pulp fiber and the compatible ionic agent are optimally compatible, and the sound permeability and the auditory sensation of the cone paper cone to different original sound are further improved.
The invention is further configured that the non-plant pulp fiber is one or more of a nano material, a glass fiber, a carbon fiber, a non-ferrous metal fiber and animal hair.
By adopting the technical scheme, the surfaces of the nano material, the carbon fiber and the glass fiber have certain active functional groups, the compatible ionic agent can well act on the surfaces of the nano material and the glass fiber, and the nano material and the glass fiber have excellent performance, so that the sound permeability and the listening feeling of the cone paper cone to various original sounds can be well improved, the mechanical property of the cone paper cone can be improved together with the nonferrous metal fiber, and the service life of the cone paper cone is prolonged; the animal hair has good filling power and flexible texture, and the looseness of the cone paper cone can be well adjusted by adding the animal hair, so that the sound permeability and the listening feeling of the cone paper cone to various original sound can be well improved.
The invention is further configured such that the nanomaterial is a nanoceramic or a carbon nanotube.
By adopting the technical scheme, the nano ceramic is a composite section manufactured by introducing nano ceramic particles, whiskers, fibers and the like into a ceramic matrix to improve the performance of the ceramic, the nano ceramic has small particle size, large specific surface area, compact and uniform structure and excellent mechanical property, and the looseness of the cone paper cone can be well adjusted, so that the sound permeability and the listening feeling of the cone paper cone to various original sounds are well improved; the carbon nano tube is also used as a nano material, has excellent flexibility, and can well adjust the looseness of the cone paper cone so as to well improve the sound permeability and the listening feeling of the cone paper cone to various original sound.
The invention is further provided that the compatible ionic agent comprises the following components in parts by weight: 16-27 parts of tartaric acid, 14-29 parts of sodium lignosulphonate, 8-16 parts of sodium metaaluminate and 4-10 parts of aluminum chloride.
By adopting the technical scheme, the tartaric acid is an important organic acid, after the tartaric acid is added into the cone paper cone system, hydrogen ions obtained by electro-ionization can form positive charges with amino groups of proteins in animal hair, so that the animal hair is positively charged, and meanwhile, as the tartaric acid contains a certain number of hydroxyl groups, the hydroxyl groups can form hydrogen bonds with cellulose in the long plant fibers and the short plant fibers, so that the long plant fibers and the short plant fibers are promoted to have certain negative charges; sodium lignosulfonate as a natural high polymer can be well dispersed in a cone paper cone system, and a sulfonic group in the sodium lignosulfonate can form a hydrogen bond with cellulose in long plant fibers and short plant fibers, so that the long plant fibers and the short plant fibers have negative charges; sodium metaaluminate is used as an amphoteric compound, on one hand, excessive hydrogen ions in a cone system of the cone can be neutralized, cellulose in long plant fibers and short plant fibers is prevented from being crisp, and after the sodium metaaluminate and the hydrogen ions act, aluminum ions can be released and can be adsorbed by glass fibers and nano materials, so that the glass fibers and the nano materials are positively charged, and the addition of aluminum chloride supplements the aluminum ions, so that the glass fibers and the nano materials are fully positively charged; therefore, the invention can promote the plant long fibers and the plant short fibers to have negative charges and the non-plant paper pulp fibers to have positive charges due to the addition of the compatible ionic agent, and can well mix the plant long fibers, the plant short fibers and the non-plant paper pulp fibers together by utilizing the principle of attraction of the positive charges and the negative charges, thereby greatly improving the sound permeability and the auditory sense of the cone paper cone to different original sounds.
The invention is further configured that the plant long fiber is one of red pine, larch and cedar.
By adopting the technical scheme, the Korean pine, the larch and the cedar all belong to trees in cold regions, the fibers of the Korean pine, the larch and the cedar are long, the directivity and the plate property are excellent, and the sound permeability and the auditory sense of the cone paper cone to various original sounds can be well improved.
The invention is further configured that the plant short fiber is one of a rubber tree, an oil palm tree and a coconut tree.
By adopting the technical scheme, the rubber tree, the oil palm tree and the coconut tree all belong to trees in tropical regions, the fibers of the rubber tree, the oil palm tree and the coconut tree are short, have no directionality, and have excellent flexibility, so that the sound permeability and the listening feeling of the cone paper cone to various acoustic sounds can be well improved.
The invention is further provided that the raw materials also comprise the following components: 6-17 parts of acrylic copolymer.
By adopting the technical scheme, the acrylic copolymer is used as a high molecular compound, so that the bonding strength among all components of the cone paper cone system can be effectively improved, the waterproof performance of the cone paper cone can be improved, the flexibility of the cone paper cone can be further adjusted by adding the acrylic copolymer, and the tone quality of the cone paper cone is improved.
The invention is further provided that the raw materials comprise the following components: 72 parts of plant long fibers, 32 parts of plant short fibers, 40 parts of non-plant pulp fibers, 4 parts of compatible ionic agent and 14 parts of acrylic copolymer.
By adopting the technical scheme, the component contents of the plant long fiber, the plant short fiber and the non-plant pulp fiber, the compatible ionic agent and the acrylic acid copolymer are further optimized, so that the plant long fiber, the plant short fiber and the non-plant pulp fiber, the compatible ionic agent and the acrylic acid copolymer are better compatible, and the sound permeability and the auditory sensation of the cone paper cone to different original sounds are further improved.
In summary, the invention has the following beneficial technical effects:
1. the plant long fibers, the plant short fibers and the non-plant paper pulp fibers are mixed in a specific ratio, and the rigidity and the flexibility are matched, so that the cone paper cone has good porosity, and the cone paper cone has good sound permeability and auditory sense for various original sounds; meanwhile, because the invention also adds compatible ionic agent, the compatible ionic agent can promote the plant long fiber and the plant short fiber to have negative charge, and the non-plant paper pulp fiber has positive charge, and the plant long fiber, the plant short fiber and the non-plant paper pulp fiber can be well mixed together by utilizing the principle that the positive charge and the negative charge are attracted, thereby greatly improving the sound permeability and the auditory sense of the cone paper cone to different original sound;
2. in the ionic compatilizer, tartaric acid enables animal hair to be positively charged, and sodium lignosulfonate enables plant long fibers and plant short fibers to be negatively charged; on one hand, the sodium metaaluminate can neutralize excessive hydrogen ions in the cone system of the cone to prevent cellulose in long plant fibers and short plant fibers from being brittle, and on the other hand, the sodium metaaluminate can release aluminum ions after the sodium metaaluminate reacts with the hydrogen ions, and the aluminum ions can be adsorbed by glass fibers and nano materials to ensure that the glass fibers and the nano materials have positive charges; the addition of the aluminum chloride supplements aluminum ions, so that the glass fiber and the nano material are fully positively charged; therefore, the plant long fibers and the plant short fibers can be promoted to have negative charges and the non-plant paper pulp fibers can have positive charges due to the addition of the compatible ionic agent, and the plant long fibers, the plant short fibers and the non-plant paper pulp fibers can be well mixed together by utilizing the principle of attraction of the positive charges and the negative charges, so that the sound permeability and the auditory sense of the cone paper cone to different original sounds are greatly improved;
3. the acrylic copolymer is added, so that the bonding strength among the components of the cone paper cone system can be effectively improved, the waterproof performance of the cone paper cone can be improved, the flexibility of the cone paper cone can be further adjusted by adding the acrylic copolymer, and the tone quality of the cone paper cone can be improved.
Detailed Description
The present invention will be described in further detail with reference to examples.
Figure BDA0002540015350000051
The first embodiment is as follows:
the invention discloses a loudspeaker cone paper cone which comprises the following raw materials in parts by weight: 50 parts of plant long fibers, 18 parts of plant short fibers, 30 parts of non-plant pulp fibers, 1 part of compatible ionic agent, 40 parts of rosin, 32 parts of aluminum sulfate, 20 parts of melamine and 12 parts of pigment.
Wherein:
the non-plant paper pulp fiber is nano material, glass fiber and animal hair in equal weight parts, and the nano material is nano ceramic;
the plant long fiber is Korean pine;
the plant short fiber is a rubber tree;
the compatible ionic agent comprises the following components in parts by weight: 16 parts of tartaric acid, 16 parts of sodium lignosulphonate, 8 parts of sodium metaaluminate and 5 parts of aluminum chloride.
The preparation method of the cone paper cone of the loudspeaker comprises the following steps:
cutting the long plant fiber and the short plant fiber into fragments; grinding the non-plant pulp fibers to a particle shape of 300 meshes;
then mixing the long plant fibers and the short plant fibers, adding 6800 parts by weight of water, soaking for 30 minutes, adding 8 parts of tartaric acid, 16 parts of sodium lignin sulfonate and 8 parts of sodium metaaluminate, and pulping for 60 minutes by using a paper pulp beater to obtain plant fiber pulp;
mixing non-plant paper pulp fibers with 3000 parts by weight of water, soaking for 30 minutes, then adding 8 parts of tartaric acid and 5 parts of aluminum chloride, and pulping for 60 minutes by using a paper pulp beater to obtain non-plant fiber pulp;
and finally, mixing the plant fiber slurry and the non-plant fiber slurry, adding rosin, aluminum sulfate, melamine and pigment, continuing pulping for 60 minutes to obtain paper cone slurry, and then performing defibering, pulp fishing, hot pressing and punching to form the cone paper cone.
Example two:
the invention discloses a loudspeaker cone paper cone which comprises the following raw materials in parts by weight: 52 parts of plant long fibers, 20 parts of plant short fibers, 35 parts of non-plant pulp fibers, 3 parts of compatible ionic agent, 45 parts of rosin, 30 parts of aluminum sulfate, 25 parts of melamine and 10 parts of pigment.
Wherein:
the non-plant paper pulp fiber is equal weight parts of carbon fiber and animal hair;
the plant long fiber is larch;
the plant short fiber is oil palm;
the compatible ionic agent comprises the following components in parts by weight: 18 parts of tartaric acid, 14 parts of sodium lignosulphonate, 10 parts of sodium metaaluminate and 4 parts of aluminum chloride.
The preparation method of the cone paper cone of the loudspeaker comprises the following steps:
cutting the long plant fiber and the short plant fiber into fragments; grinding the non-plant pulp fibers to a particle shape of 300 meshes;
then mixing the long plant fibers and the short plant fibers, adding 6720 parts by weight of water, soaking for 30 minutes, adding 9 parts of tartaric acid, 14 parts of sodium lignin sulfonate and 10 parts of sodium metaaluminate, and pulping for 60 minutes by using a paper pulp beater to obtain plant fiber pulp;
mixing non-plant paper pulp fibers with 3300 parts by weight of water, soaking for 30 minutes, then adding 9 parts of tartaric acid and 4 parts of aluminum chloride, and pulping for 60 minutes by using a paper pulp beater to obtain non-plant fiber pulp;
and finally, mixing the plant fiber slurry and the non-plant fiber slurry, adding rosin, aluminum sulfate, melamine and pigment, continuing pulping for 60 minutes to obtain paper cone slurry, and then performing defibering, pulp fishing, hot pressing and punching to form the cone paper cone.
Example three:
the invention discloses a loudspeaker cone paper cone which comprises the following raw materials in parts by weight: 61 parts of plant long fibers, 27 parts of plant short fibers, 39 parts of non-plant pulp fibers, 2 parts of compatible ionic agent, 50 parts of rosin, 40 parts of aluminum sulfate, 25 parts of melamine and 12 parts of pigment.
Wherein:
the non-plant paper pulp fiber is nano material and animal hair in equal weight parts, and the nano material is carbon nano tube;
the plant long fiber is cedar;
the plant short fiber is coconut tree;
the compatible ionic agent comprises the following components in parts by weight: 21 parts of tartaric acid, 20 parts of sodium lignosulphonate, 12 parts of sodium metaaluminate and 7 parts of aluminum chloride.
The preparation method of the cone paper cone of the loudspeaker comprises the following steps:
cutting the long plant fiber and the short plant fiber into fragments; grinding the non-plant pulp fibers to a particle shape of 300 meshes;
then mixing the long plant fibers and the short plant fibers, adding 6920 parts by weight of water, soaking for 30 minutes, adding 10 parts of tartaric acid, 20 parts of sodium lignosulphonate and 12 parts of sodium metaaluminate, and pulping for 60 minutes by using a paper pulp beater to obtain plant fiber pulp;
mixing non-plant paper pulp fibers with 3040 parts by weight of water, soaking for 30 minutes, then adding 11 parts of tartaric acid and 7 parts of aluminum chloride, and pulping for 60 minutes by using a paper pulp beater to obtain non-plant fiber pulp;
and finally, mixing the plant fiber slurry and the non-plant fiber slurry, adding rosin, aluminum sulfate, melamine and pigment, continuing pulping for 60 minutes to obtain paper cone slurry, and then performing defibering, pulp fishing, hot pressing and punching to form the cone paper cone.
Example four:
the invention discloses a loudspeaker cone paper cone which comprises the following raw materials in parts by weight: 70 parts of plant long fiber, 30 parts of plant short fiber, 43 parts of non-plant pulp fiber, 3 parts of compatible ionic agent, 57 parts of rosin, 43 parts of aluminum sulfate, 29 parts of melamine and 14 parts of pigment.
Wherein:
the non-plant paper pulp fiber comprises nano material, glass fiber and animal hair in equal weight parts, and the nano material is a carbon nano tube;
the plant long fiber is larch;
the plant short fiber is a rubber tree;
the compatible ionic agent comprises the following components in parts by weight: 22 parts of tartaric acid, 23 parts of sodium lignosulphonate, 13 parts of sodium metaaluminate and 8 parts of aluminum chloride.
The preparation method of the cone paper cone of the loudspeaker comprises the following steps:
cutting the long plant fiber and the short plant fiber into fragments; grinding the non-plant pulp fibers to a particle shape of 300 meshes;
then mixing the long plant fibers and the short plant fibers, adding 6520 parts by weight of water, soaking for 30 minutes, adding 11 parts of tartaric acid, 23 parts of sodium lignosulphonate and 13 parts of sodium metaaluminate, and pulping for 60 minutes by using a paper pulp beater to obtain plant fiber pulp;
mixing non-plant paper pulp fibers with 3300 parts by weight of water, soaking for 30 minutes, then adding 11 parts of tartaric acid and 8 parts of aluminum chloride, and pulping for 60 minutes by using a paper pulp beater to obtain non-plant fiber pulp;
and finally, mixing the plant fiber slurry and the non-plant fiber slurry, adding rosin, aluminum sulfate, melamine and pigment, continuing pulping for 60 minutes to obtain paper cone slurry, and then performing defibering, pulp fishing, hot pressing and punching to form the cone paper cone.
Example five:
the invention discloses a loudspeaker cone paper cone which comprises the following raw materials in parts by weight: 73 parts of plant long fiber, 41 parts of plant short fiber, 48 parts of non-plant pulp fiber, 3 parts of compatible ionic agent, 60 parts of rosin, 48 parts of aluminum sulfate, 32 parts of melamine and 17 parts of pigment.
Wherein:
the non-plant pulp fiber is animal hair;
the plant long fiber is cedar;
the plant short fiber is a rubber tree;
the compatible ionic agent comprises the following components in parts by weight: 23 parts of tartaric acid, 25 parts of sodium lignosulphonate, 15 parts of sodium metaaluminate and 10 parts of aluminum chloride.
The preparation method of the cone paper cone of the loudspeaker comprises the following steps:
cutting the long plant fiber and the short plant fiber into fragments; grinding the non-plant pulp fibers to a particle shape of 300 meshes;
then mixing the long plant fibers and the short plant fibers, adding 6570 parts by weight of water, soaking for 30 minutes, adding 11 parts of tartaric acid, 25 parts of sodium lignosulphonate and 15 parts of sodium metaaluminate, and pulping for 60 minutes by using a paper pulp beater to obtain plant fiber pulp;
mixing non-plant paper pulp fibers with 3200 parts by weight of water, soaking for 30 minutes, adding 12 parts of tartaric acid and 10 parts of aluminum chloride, and pulping for 60 minutes by using a paper pulp beater to obtain non-plant fiber pulp;
and finally, mixing the plant fiber slurry and the non-plant fiber slurry, adding rosin, aluminum sulfate, melamine and pigment, continuing pulping for 60 minutes to obtain paper cone slurry, and then performing defibering, pulp fishing, hot pressing and punching to form the cone paper cone.
Example six:
the invention discloses a loudspeaker cone paper cone which comprises the following raw materials in parts by weight: 78 parts of plant long fibers, 41 parts of plant short fibers, 55 parts of non-plant pulp fibers, 4 parts of compatible ionic agent, 60 parts of rosin, 55 parts of aluminum sulfate, 35 parts of melamine and 22 parts of pigment.
Wherein:
the non-plant pulp fiber is non-ferrous metal fiber (200 mesh particle), glass fiber and animal hair in equal weight parts, and the nano material is nano ceramic;
the plant long fiber is cedar;
the plant short fiber is oil palm;
the compatible ionic agent comprises the following components in parts by weight: 27 parts of tartaric acid, 29 parts of sodium lignosulphonate, 16 parts of sodium metaaluminate and 8 parts of aluminum chloride.
The preparation method of the cone paper cone of the loudspeaker comprises the following steps:
cutting the long plant fiber and the short plant fiber into fragments; grinding the non-plant pulp fibers to a particle shape of 300 meshes;
then mixing the long plant fibers and the short plant fibers, adding 6320 parts by weight of water, soaking for 30 minutes, adding 13 parts of tartaric acid, 29 parts of sodium lignosulphonate and 16 parts of sodium metaaluminate, and pulping for 60 minutes by using a paper pulp beater to obtain plant fiber pulp;
mixing non-plant paper pulp fibers with 3230 parts by weight of water, soaking for 30 minutes, then adding 14 parts of tartaric acid and 8 parts of aluminum chloride, and pulping for 60 minutes by using a paper pulp beater to obtain non-plant fiber pulp;
and finally, mixing the plant fiber slurry and the non-plant fiber slurry, adding rosin, aluminum sulfate, melamine and pigment, continuing pulping for 60 minutes to obtain paper cone slurry, and then performing defibering, pulp fishing, hot pressing and punching to form the cone paper cone.
Example seven:
the invention discloses a loudspeaker cone paper cone which comprises the following raw materials in parts by weight: 80 parts of plant long fibers, 42 parts of plant short fibers, 56 parts of non-plant pulp fibers, 5 parts of compatible ionic agent, 66 parts of rosin, 50 parts of aluminum sulfate, 36 parts of melamine and 20 parts of pigment.
Wherein:
the non-plant paper pulp fiber is nano material, glass fiber and animal hair in equal weight parts, and the nano material is nano ceramic;
the plant long fiber is Korean pine;
the plant short fiber is a rubber tree;
the compatible ionic agent comprises the following components in parts by weight: 27 parts of tartaric acid, 23 parts of sodium lignosulphonate, 16 parts of sodium metaaluminate and 9 parts of aluminum chloride.
The preparation method of the cone paper cone of the loudspeaker comprises the following steps:
cutting the long plant fiber and the short plant fiber into fragments; grinding the non-plant pulp fibers to a particle shape of 300 meshes;
then mixing the long plant fibers and the short plant fibers, adding 6220 parts by weight of water, soaking for 30 minutes, then adding 12 parts of tartaric acid, 23 parts of sodium lignin sulfonate and 16 parts of sodium metaaluminate, and pulping for 60 minutes by using a paper pulp beater to obtain plant fiber pulp;
mixing non-plant paper pulp fibers with 3600 parts by weight of water, soaking for 30 minutes, then adding 15 parts of tartaric acid and 9 parts of aluminum chloride, and pulping for 60 minutes by using a paper pulp beater to obtain non-plant fiber pulp;
and finally, mixing the plant fiber slurry and the non-plant fiber slurry, adding rosin, aluminum sulfate, melamine and pigment, continuing pulping for 60 minutes to obtain paper cone slurry, and then performing defibering, pulp fishing, hot pressing and punching to form the cone paper cone.
Example eight:
the invention discloses a loudspeaker cone paper cone which comprises the following raw materials in parts by weight: 72 parts of plant long fibers, 32 parts of plant short fibers, 40 parts of non-plant pulp fibers, 4 parts of compatible ionic agent, 59 parts of rosin, 45 parts of aluminum sulfate, 26 parts of melamine, 15 parts of pigment and 6 parts of acrylic copolymer.
Wherein:
the non-plant paper pulp fiber is nano material, glass fiber and animal hair in equal weight parts, and the nano material is nano ceramic;
the plant long fiber is Korean pine;
the plant short fiber is a rubber tree;
the compatible ionic agent comprises the following components in parts by weight: 20 parts of tartaric acid, 24 parts of sodium lignosulphonate, 13 parts of sodium metaaluminate and 8 parts of aluminum chloride.
The preparation method of the cone paper cone of the loudspeaker comprises the following steps:
cutting the long plant fiber and the short plant fiber into fragments; grinding the non-plant pulp fibers to a particle shape of 300 meshes;
then mixing the long plant fibers and the short plant fibers, adding 6420 parts by weight of water, soaking for 30 minutes, adding 10 parts of tartaric acid, 24 parts of sodium lignosulphonate and 13 parts of sodium metaaluminate, and pulping for 60 minutes by using a paper pulp beater to obtain plant fiber pulp;
mixing non-plant paper pulp fibers with 3400 weight part of water, soaking for 30 minutes, then adding 10 parts of tartaric acid and 8 parts of aluminum chloride, and pulping for 60 minutes by using a paper pulp beater to obtain non-plant fiber pulp;
and finally, mixing the plant fiber pulp and the non-plant fiber pulp, adding acrylic copolymer, rosin, aluminum sulfate, melamine and pigment, continuing pulping for 60 minutes to obtain paper cone pulp, and then performing defibering, pulp fishing, hot pressing and punching to form the cone paper cone.
Example nine:
the invention discloses a loudspeaker cone paper cone which comprises the following raw materials in parts by weight: 72 parts of plant long fibers, 32 parts of plant short fibers, 40 parts of non-plant pulp fibers, 4 parts of compatible ionic agent, 59 parts of rosin, 45 parts of aluminum sulfate, 26 parts of melamine, 15 parts of pigment and 14 parts of acrylic copolymer.
Wherein:
the non-plant paper pulp fiber is nano material, glass fiber and animal hair in equal weight parts, and the nano material is nano ceramic;
the plant long fiber is Korean pine;
the plant short fiber is a rubber tree;
the compatible ionic agent comprises the following components in parts by weight: 20 parts of tartaric acid, 24 parts of sodium lignosulphonate, 13 parts of sodium metaaluminate and 8 parts of aluminum chloride.
The preparation method of the cone paper cone of the loudspeaker comprises the following steps:
cutting the long plant fiber and the short plant fiber into fragments; grinding the non-plant pulp fibers to a particle shape of 300 meshes;
then mixing the long plant fibers and the short plant fibers, adding 6420 parts by weight of water, soaking for 30 minutes, adding 10 parts of tartaric acid, 24 parts of sodium lignosulphonate and 13 parts of sodium metaaluminate, and pulping for 60 minutes by using a paper pulp beater to obtain plant fiber pulp;
mixing non-plant paper pulp fibers with 3400 weight part of water, soaking for 30 minutes, then adding 10 parts of tartaric acid and 8 parts of aluminum chloride, and pulping for 60 minutes by using a paper pulp beater to obtain non-plant fiber pulp;
and finally, mixing the plant fiber pulp and the non-plant fiber pulp, adding acrylic copolymer, rosin, aluminum sulfate, melamine and pigment, continuing pulping for 60 minutes to obtain paper cone pulp, and then performing defibering, pulp fishing, hot pressing and punching to form the cone paper cone.
Example ten:
the invention discloses a loudspeaker cone paper cone which comprises the following raw materials in parts by weight: 72 parts of plant long fibers, 32 parts of plant short fibers, 40 parts of non-plant pulp fibers, 4 parts of compatible ionic agent, 59 parts of rosin, 45 parts of aluminum sulfate, 26 parts of melamine, 15 parts of pigment and 17 parts of acrylic copolymer.
Wherein:
the non-plant paper pulp fiber is nano material, glass fiber and animal hair in equal weight parts, and the nano material is nano ceramic;
the plant long fiber is Korean pine;
the plant short fiber is a rubber tree;
the compatible ionic agent comprises the following components in parts by weight: 20 parts of tartaric acid, 24 parts of sodium lignosulphonate, 13 parts of sodium metaaluminate and 8 parts of aluminum chloride.
The preparation method of the cone paper cone of the loudspeaker comprises the following steps:
cutting the long plant fiber and the short plant fiber into fragments; grinding the non-plant pulp fibers to a particle shape of 300 meshes;
then mixing the long plant fibers and the short plant fibers, adding 6420 parts by weight of water, soaking for 30 minutes, adding 10 parts of tartaric acid, 24 parts of sodium lignosulphonate and 13 parts of sodium metaaluminate, and pulping for 60 minutes by using a paper pulp beater to obtain plant fiber pulp;
mixing non-plant paper pulp fibers with 3400 weight part of water, soaking for 30 minutes, then adding 10 parts of tartaric acid and 8 parts of aluminum chloride, and pulping for 60 minutes by using a paper pulp beater to obtain non-plant fiber pulp;
and finally, mixing the plant fiber pulp and the non-plant fiber pulp, adding acrylic copolymer, rosin, aluminum sulfate, melamine and pigment, continuing pulping for 60 minutes to obtain paper cone pulp, and then performing defibering, pulp fishing, hot pressing and punching to form the cone paper cone.
Comparative example one:
in contrast to example one, no ionic compatibilizer was added.
Comparative example two:
the non-plant pulp fibers were added in an amount of 25 parts compared to example one.
Comparative example three:
the non-plant pulp fiber was added in an amount of 62 parts as compared to example one.
Comparative example four:
compared with the first embodiment, the plant short fiber is replaced by the same amount of plant long fiber.
Comparative example five:
compared with the first embodiment, the long plant fiber is replaced by the same amount of short plant fiber.
Comparative example six:
in contrast to example one, no non-plant pulp fibers were added.
Comparative example seven:
in contrast to example one, no tartaric acid was added to the ionic compatibilizer.
Comparative example eight:
compared with the first embodiment, the tartaric acid is replaced by the same amount of citric acid and gluconic acid in the ionic compatilizer.
Comparative example nine:
compared with the first embodiment, the ion compatilizer is not added with sodium lignosulfonate.
Comparative example ten:
compared with the first embodiment, sodium metaaluminate is not added into the ion compatilizer.
Comparative example eleven:
compared with the first embodiment, aluminum chloride is not added into the ion compatilizer.
Comparative example twelve:
the amount of the acrylic copolymer added was 3 parts as compared with example eight.
Comparative example thirteen:
the amount of the acrylic copolymer added was 20 parts as compared with example eight.
Subjective audio-visual detection:
selecting 50 vocal teachers, 50 common youths of 20-30 years old and 50 common youths of 40-50 years old as detection personnel, and performing acoustic sound effect investigation on cone paper prepared by implementing the first embodiment to the tenth embodiment and the first comparative embodiment to the thirteenth comparative embodiment.
The test item scoring criteria were: the most satisfactory is 90-100 points, the satisfactory is 80-90 points, generally 70-80 points, the unsatisfactory is 50-60 points, and the most unsatisfactory is 0-50 points.
The number of scored people in different score ranges in the corresponding performance was then counted and filled in the table below.
TABLE 1
Figure BDA0002540015350000131
TABLE 2
Figure BDA0002540015350000132
Figure BDA0002540015350000141
TABLE 3
Figure BDA0002540015350000142
Figure BDA0002540015350000151
TABLE 4
Figure BDA0002540015350000152
TABLE 5
Figure BDA0002540015350000153
Figure BDA0002540015350000161
According to the detection results of the first embodiment to the seventh embodiment, the cone paper cone prepared by the invention has good sound permeability and good auditory sensation.
From the test results of examples eight to ten and comparative examples twelve and thirteen, it can be seen that the performance of the cone paper cone can be further improved by adding a predetermined amount of acrylic copolymer.
According to the detection results of the second comparative example to the sixth comparative example, the plant long fibers, the plant short fibers and the non-plant pulp fibers are added in specified amounts, and the plant long fibers, the plant short fibers and the non-plant pulp fibers are mixed in a specific proportion, so that the cone paper cone has good looseness, and has good sound permeability and good sound perception for various original sounds.
According to the detection results of the first comparative example and the seventh comparative example to the eleventh comparative example, the plant long fibers, the plant short fibers and the non-plant pulp fibers can be well mixed together by adding the ion compatilizer with specified components, so that the sound permeability and the auditory sensation of the cone paper cone to different original sounds are greatly improved.
The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.

Claims (10)

1. The cone paper cone of the loudspeaker is characterized by comprising the following raw materials in parts by weight: 50-80 parts of plant long fiber, 18-42 parts of plant short fiber, 30-56 parts of non-plant pulp fiber, 1-5 parts of compatible ionic agent, 40-66 parts of rosin, 30-55 parts of aluminum sulfate, 20-36 parts of melamine and 10-22 parts of pigment.
2. The cone paper cone of the loudspeaker of claim 1, which is characterized by comprising the following components in parts by weight: 61-73 parts of plant long fiber, 27-41 parts of plant short fiber, 39-49 parts of non-plant pulp fiber, 2-4 parts of compatible ionic agent, 50-60 parts of rosin, 40-48 parts of aluminum sulfate, 25-32 parts of melamine and 12-17 parts of pigment.
3. The cone paper cone of the loudspeaker of claim 2, which is characterized by comprising the following components in parts by weight: 70 parts of plant long fiber, 30 parts of plant short fiber, 43 parts of non-plant pulp fiber, 3 parts of compatible ionic agent, 57 parts of rosin, 43 parts of aluminum sulfate, 29 parts of melamine and 14 parts of pigment.
4. A loudspeaker cone according to claim 1, wherein: the non-plant pulp fiber is one or more of nano material, glass fiber, carbon fiber, non-ferrous metal fiber and animal hair.
5. The loudspeaker cone of claim 4 wherein: the nano material is nano ceramic or carbon nano tube.
6. The loudspeaker cone of claim 5 wherein: the compatible ionic agent comprises the following components in parts by weight: 16-27 parts of tartaric acid, 14-29 parts of sodium lignosulphonate, 8-16 parts of sodium metaaluminate and 4-10 parts of aluminum chloride.
7. A loudspeaker cone according to claim 1, wherein: the plant long fiber is one of Korean pine, Larix Gmelini and Cedar.
8. A loudspeaker cone according to claim 1, wherein: the plant short fiber is one of a rubber tree, an oil palm tree and a coconut tree.
9. The cone paper cone for a loudspeaker of claim 6 wherein the raw materials further comprise the following components: 6-17 parts of acrylic copolymer.
10. The cone of claim 9 wherein the raw materials comprise the following components: 72 parts of plant long fibers, 32 parts of plant short fibers, 40 parts of non-plant pulp fibers, 4 parts of compatible ionic agent, 59 parts of rosin, 45 parts of aluminum sulfate, 26 parts of melamine, 15 parts of pigment and 14 parts of acrylic copolymer.
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CN106948211A (en) * 2017-01-20 2017-07-14 广西玉林市禹力音响配件有限公司 A kind of water proof fire retardant cone
CN108978326A (en) * 2018-06-21 2018-12-11 华南理工大学 A kind of slurry of loudspeaker drum paper

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CN106255030A (en) * 2016-08-22 2016-12-21 安徽扬仕电子科技有限公司 A kind of manufacture method of the moistureproof cone of speaker
CN106930134A (en) * 2017-01-20 2017-07-07 广西玉林市禹力音响配件有限公司 A kind of preparation method of loudspeaker vibrophone
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113079451A (en) * 2021-03-29 2021-07-06 国光电器股份有限公司 Foaming cone for loudspeaker and preparation method and application thereof

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