CN111118416A - Manufacturing method of sound-insulation and heat-dissipation outer bin for compressor - Google Patents
Manufacturing method of sound-insulation and heat-dissipation outer bin for compressor Download PDFInfo
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- CN111118416A CN111118416A CN202010045847.7A CN202010045847A CN111118416A CN 111118416 A CN111118416 A CN 111118416A CN 202010045847 A CN202010045847 A CN 202010045847A CN 111118416 A CN111118416 A CN 111118416A
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C47/00—Making alloys containing metallic or non-metallic fibres or filaments
- C22C47/08—Making alloys containing metallic or non-metallic fibres or filaments by contacting the fibres or filaments with molten metal, e.g. by infiltrating the fibres or filaments placed in a mould
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/08—Features with respect to supply of molten metal, e.g. ingates, circular gates, skim gates
- B22C9/082—Sprues, pouring cups
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- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D133/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
- C09D133/04—Homopolymers or copolymers of esters
- C09D133/06—Homopolymers or copolymers of esters of esters containing only carbon, hydrogen and oxygen, the oxygen atom being present only as part of the carboxyl radical
- C09D133/10—Homopolymers or copolymers of methacrylic acid esters
- C09D133/12—Homopolymers or copolymers of methyl methacrylate
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- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D177/00—Coating compositions based on polyamides obtained by reactions forming a carboxylic amide link in the main chain; Coating compositions based on derivatives of such polymers
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- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
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- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
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- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
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- C09D7/70—Additives characterised by shape, e.g. fibres, flakes or microspheres
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- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
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- C22C49/00—Alloys containing metallic or non-metallic fibres or filaments
- C22C49/02—Alloys containing metallic or non-metallic fibres or filaments characterised by the matrix material
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- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C26/00—Coating not provided for in groups C23C2/00 - C23C24/00
- C23C26/02—Coating not provided for in groups C23C2/00 - C23C24/00 applying molten material to the substrate
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2206—Oxides; Hydroxides of metals of calcium, strontium or barium
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- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
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- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
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- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
Abstract
The invention discloses a method for manufacturing an outer bin for sound insulation and heat dissipation of a compressor in the technical field of compressors, which comprises the following steps of S1: taking materials; s2: smelting, namely putting the raw material in the S1 into a smelting furnace for smelting; s3: designing a mould; s4: preheating a mould, namely putting the manufactured mould into a mould preheating furnace for preheating; s5: pouring, namely injecting the liquid in the S2 into the preheated mold; s6: preparing a heat dissipation material and a sound insulation material separately, and obtaining the heat dissipation material and the sound insulation material; s7: spraying, namely uniformly spraying the prepared heat dissipation material and sound insulation material on the inner wall and the outer wall of the molded outer bin respectively; s8: heat treatment and cold treatment; s9: processing and forming; the compressor outer bin manufactured by the invention has good heat dissipation and sound insulation performance by spraying the prepared heat dissipation material and sound insulation material, prolongs the service life of the compressor, reduces the environmental noise brought by the working process of the compressor, and has good use effect.
Description
Technical Field
The invention discloses a method for manufacturing an outer bin for sound insulation and heat dissipation of a compressor, and particularly relates to the technical field of compressors.
Background
A compressor is a driven fluid machine that raises low-pressure gas into high-pressure gas, and is a heart of a refrigeration system. The refrigerating cycle is powered by sucking low-temperature and low-pressure refrigerant gas from the air suction pipe, driving the piston to compress the refrigerant gas through the operation of the motor, and discharging high-temperature and high-pressure refrigerant gas to the exhaust pipe.
When the compressor is in operating condition for a long time, the inner chamber can produce very high heat, and can produce very big noise, the outer storehouse majority of current parcel compressor is the metal material, its heat dissipation is very poor with syllable-dividing effect, thereby lead to the heat in the storehouse to scatter and disappear, also can not play syllable-dividing effect, not only can reduce the life of compressor, also can influence the operational environment of compressor, for this reason, we have provided a manufacturing approach who is used for the radiating outer storehouse of compressor sound insulation and have come into use, in order to solve above-mentioned problem.
Disclosure of Invention
In view of the above-mentioned drawbacks, an object of the present invention is to provide a method for manufacturing an external cabin for sound insulation and heat dissipation of a compressor, so as to solve the problems mentioned in the background art.
In order to achieve the aim, the invention provides a method for manufacturing an outer bin for sound insulation and heat dissipation of a compressor, wherein the outer bin comprises 7-8.5% of Al, 2.3-4.0% of Mg, 0.4-1.0% of Cu, 1.2-2.0% of Si, 2.2-3.3% of heat dissipation materials, 2-2.5% of carbon fibers, 3.2-4.1% of sound insulation materials and the balance of Mn and unavoidable impurities thereof according to the total percentage; the manufacturing method comprises the following steps:
s1: taking materials, namely weighing a proper amount of other raw materials except the heat dissipation material and the sound insulation material according to the mass percentage of each element;
s2: smelting, namely putting the raw materials in the S1 into a smelting furnace for smelting, stirring after the raw materials are completely melted, then slagging off, degassing and refining the smelted liquid, and removing slag after standing;
s3: designing a mold, namely designing and manufacturing a pouring gate position, a main runner and a sub-runner of the mold according to manufacturing requirements;
s4: preheating a mould, namely putting the prepared mould into a mould preheating furnace for preheating, and then obtaining the preheated mould;
s5: pouring, namely injecting the liquid in the S2 into a preheated mold, and cooling and solidifying the pouring liquid to obtain a primary molding structure of the outer bin;
s6: preparing a heat dissipation material and a sound insulation material separately, and obtaining the heat dissipation material and the sound insulation material;
s7: spraying, namely uniformly spraying the prepared heat dissipation material and sound insulation material on the inner wall and the outer wall of the molded outer bin respectively, and drying;
s8: performing heat treatment and cold treatment, namely performing solid solution and quenching heat treatment on the forming outer bin in S5, and putting the forming outer bin into liquid nitrogen for cold treatment;
s9: and (5) machining and forming, namely performing final machining, grinding and forming on the workpiece in the step S8 to obtain a finished workpiece.
Further, the heat dissipation material in the S6 comprises, by weight, 40-50 parts of polyamide resin, 20-30 parts of epoxy resin, 0.2-0.3 part of silicon dioxide, 10-13 parts of carbon fiber, 10-12 parts of antioxidant, 5-9 parts of silica gel, 10-13 parts of graphite and 9-10 parts of graphite.
Further, the preparation method of the heat dissipation material comprises the following steps of (1) selecting a proper amount of raw materials according to the mass ratio, mixing, heating and stirring uniformly, cooling and solidifying, and grinding into powder; (2) heating the powder to 80-110 ℃, putting the raw materials into a high-temperature box, vacuumizing and filling nitrogen as protective gas, adjusting the temperature in the box to 500-550 ℃, and smelting for 1 hour; (3) cooling and solidifying to obtain granular finished product.
Further, the sound insulation material in the S6 comprises, by weight, 5-10 parts of calcium hydroxide, 10-15 parts of polyethylene, 8-12 parts of polymethyl methacrylate, 2-5 parts of barium sulfate, 12-16 parts of polymethyl methacrylate, 2-4 parts of benzoic acid and 0.6-0.8 part of an antioxidant.
Further, the preparation method of the sound insulation material comprises the following steps of (1) selecting a proper amount of raw materials except benzoic acid and barium sulfate according to the mass ratio, putting the raw materials into the water-soluble polyurethane emulsion, heating, stirring, and ultrasonically dispersing to disperse the materials in the emulsion to obtain a composite emulsion; (2) putting the composite emulsion into a sealed container with a stirring function, applying irradiation condition to the sealed container, and adding slow benzoic acid and barium sulfate into the stirred composite emulsion under the irradiation condition until the slow benzoic acid and the barium sulfate are added and stirred uniformly; (3) standing for 2 hours, taking out the semi-solidified raw material, cooling and solidifying in a normal temperature environment, and preparing into granular finished products.
Furthermore, in the S2, the smelting temperature is 250-275 ℃, the stirring speed is 300r/min, and the standing time is 1 hour.
Further, in the step S3, a restrictive gate is adopted, a point gate side-turning gate is used, the size of the small end of the main runner is 2-6mm, the main runner is arranged in a main runner lining form, and the surfaces of the sub-runners are arranged in rough surfaces.
Further, in S7, before spraying, the prepared heat dissipation material and sound insulation material need to be heated and melted at a high temperature of 200 ℃, and the heating time is determined according to the states of the heat dissipation material and the sound insulation material, so that the heat dissipation material and the sound insulation material can reach the spraying conditions.
Further, in the S8, the solid solution temperature is 440 ℃ at 300-.
Further, before polishing and forming, a protective agent is coated on a polished part, wherein the protective agent is an ATCT silver protective agent.
Compared with the prior art, the invention has the beneficial effects that: according to the invention, the finished product of the outer bin, the heat dissipation material and the sound insulation material are prepared in sequence through the steps, and the corresponding heat dissipation material and the corresponding sound insulation material are uniformly sprayed on the inner wall and the outer wall of the cast outer bin, so that the heat generated during the operation of the compressor can be effectively well dissipated through the special heat dissipation performance and the special sound insulation performance of the heat dissipation material and the sound insulation material, the volume of transmitting the noise generated during the operation of the compressor to the outside can be reduced, the damage of high temperature to the compressor is avoided, the noise pollution to the surrounding environment is also reduced, the service life of the compressor is prolonged, and the body health of workers working at the surrounding is protected.
Detailed Description
The technical solutions in the following embodiments of the present invention are clearly and completely described, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1: the invention provides a method for manufacturing an outer bin for sound insulation and heat dissipation of a compressor, wherein the outer bin comprises the following components, by weight, 7-8.5% of Al, 2.3-4.0% of Mg, 0.4-1.0% of Cu, 1.2-2.0% of Si, 2.2-3.3% of a heat dissipation material, 2-2.5% of carbon fiber, 3.2-4.1% of a sound insulation material, and the balance of Mn and inevitable impurities thereof; the preparation method comprises the following steps:
s1: taking materials, namely weighing a proper amount of other raw materials except the heat dissipation material and the sound insulation material according to the mass percentage of each element;
s2: smelting, namely putting the raw materials in the S1 into a smelting furnace for smelting, stirring after the raw materials are completely melted, then slagging off, degassing and refining the smelted liquid, and removing slag after standing;
s3: designing a mold, namely designing and manufacturing a pouring gate position, a main runner and a sub-runner of the mold according to manufacturing requirements;
s4: preheating a mould, namely putting the prepared mould into a mould preheating furnace for preheating, and then obtaining the preheated mould;
s5: pouring, namely injecting the liquid in the S2 into the preheated mold, and cooling and solidifying the pouring liquid to obtain a primary forming structure of the outer bin;
s6: preparing a heat dissipation material and a sound insulation material separately, and obtaining the heat dissipation material and the sound insulation material;
s7: spraying, namely uniformly spraying the prepared heat dissipation material and sound insulation material on the inner wall and the outer wall of the molded outer bin respectively, and drying;
s8: performing heat treatment and cold treatment, namely performing solid solution and quenching heat treatment on the forming outer bin in S5, and putting the forming outer bin into liquid nitrogen for cold treatment;
s9: and (5) machining and forming, namely performing final machining, grinding and forming on the workpiece in the step S8 to obtain a finished workpiece.
The heat dissipation material in the S6 comprises the following components in percentage by weight: 40 parts of polyamide resin, 20 parts of epoxy resin, 0.2 part of silicon dioxide, 10 parts of carbon fiber, 10 parts of antioxidant, 5 parts of silica gel, 10 parts of graphite and 9 parts of graphite.
The preparation method of the heat dissipation material comprises the following steps: (1) selecting a proper amount of raw materials according to the mass ratio, mixing, heating and stirring uniformly, cooling and solidifying, and grinding into powder; (2) heating the powder to 80-110 ℃, putting the raw materials into a high-temperature box, vacuumizing and filling nitrogen as protective gas, adjusting the temperature in the box to 500-550 ℃, and smelting for 1 hour; (3) cooling and solidifying to obtain granular finished product.
The sound insulating material in S6 is composed of the following components in percentage by total weight: 6 parts of calcium hydroxide, 10 parts of polyethylene, 8 parts of polymethyl methacrylate, 2 parts of barium sulfate, 12 parts of polymethyl methacrylate, 2 parts of benzoic acid and 0.6 part of antioxidant.
The preparation method of the sound insulation material comprises the following steps: (1) according to the mass ratio, selecting a proper amount of raw materials except benzoic acid and barium sulfate, adding the raw materials into the water-soluble polyurethane emulsion, heating, stirring, and ultrasonically dispersing to disperse the materials in the emulsion to obtain a composite emulsion; (2) putting the composite emulsion into a sealed container with a stirring function, applying irradiation condition to the sealed container, and adding slow benzoic acid and barium sulfate into the stirred composite emulsion under the irradiation condition until the slow benzoic acid and the barium sulfate are added and stirred uniformly; (3) standing for 2 hours, taking out the semi-solidified raw material, cooling and solidifying in a normal temperature environment, and preparing into granular finished products.
In S2, the smelting temperature is 250-275 ℃, the stirring speed is 300r/min, and the standing time is 1 hour.
And S3, performing limiting pouring by using a point pouring gate to turn a side pouring gate, wherein the small end of the main runner is 2-6mm in size, the main runner is arranged in a main runner lining mode, and the surfaces of the sub runners are rough surfaces.
In S7, before spraying, the prepared heat dissipation material and sound insulation material need to be heated and melted at a high temperature of 200 ℃, and the heating time is determined according to the states of the heat dissipation material and the sound insulation material, so that the heat dissipation material and the sound insulation material can reach the spraying conditions.
In S8, the solid solution temperature is 300-440 ℃, the quenching temperature is 980-1070 ℃, and the cold treatment temperature is-180-175 ℃.
Before polishing and forming, a protective agent is coated on the polished part, and the protective agent is an ATCT silver protective agent.
Example 2: a manufacturing method for a sound-insulating and heat-dissipating outer bin of a compressor comprises the following components, by weight, 7-8.5% of Al, 2.3-4.0% of Mg, 0.4-1.0% of Cu, 1.2-2.0% of Si, 2.2-3.3% of a heat-dissipating material, 2-2.5% of carbon fibers, 3.2-4.1% of a sound-insulating material, and the balance of Mn and unavoidable impurities thereof; the preparation method comprises the following steps:
s1: taking materials, namely weighing a proper amount of other raw materials except the heat dissipation material and the sound insulation material according to the mass percentage of each element;
s2: smelting, namely putting the raw materials in the S1 into a smelting furnace for smelting, stirring after the raw materials are completely melted, then slagging off, degassing and refining the smelted liquid, and removing slag after standing;
s3: designing a mold, namely designing and manufacturing a pouring gate position, a main runner and a sub-runner of the mold according to manufacturing requirements;
s4: preheating a mould, namely putting the prepared mould into a mould preheating furnace for preheating, and then obtaining the preheated mould;
s5: pouring, namely injecting the liquid in the S2 into the preheated mold, and cooling and solidifying the pouring liquid to obtain a primary forming structure of the outer bin;
s6: preparing a heat dissipation material and a sound insulation material separately, and obtaining the heat dissipation material and the sound insulation material;
s7: spraying, namely uniformly spraying the prepared heat dissipation material and sound insulation material on the inner wall and the outer wall of the molded outer bin respectively, and drying;
s8: performing heat treatment and cold treatment, namely performing solid solution and quenching heat treatment on the forming outer bin in S5, and putting the forming outer bin into liquid nitrogen for cold treatment;
s9: and (5) machining and forming, namely performing final machining, grinding and forming on the workpiece in the step S8 to obtain a finished workpiece.
The heat dissipation material in the S6 comprises the following components in percentage by weight: 45 parts of polyamide resin, 25 parts of epoxy resin, 0.25 part of silicon dioxide, 12 parts of carbon fiber, 11 parts of antioxidant, 7 parts of silica gel, 12 parts of graphite and 9.5 parts of graphite.
The preparation method of the heat dissipation material comprises the following steps: (1) selecting a proper amount of raw materials according to the mass ratio, mixing, heating and stirring uniformly, cooling and solidifying, and grinding into powder; (2) heating the powder to 80-110 ℃, putting the raw materials into a high-temperature box, vacuumizing and filling nitrogen as protective gas, adjusting the temperature in the box to 500-550 ℃, and smelting for 1 hour; (3) cooling and solidifying to obtain granular finished product.
The sound insulating material in S6 is composed of the following components in percentage by total weight: 8 parts of calcium hydroxide, 12 parts of polyethylene, 10 parts of polymethyl methacrylate, 4 parts of barium sulfate, 14 parts of polymethyl methacrylate, 3 parts of benzoic acid and 0.7 part of antioxidant.
The preparation method of the sound insulation material comprises the following steps: (1) according to the mass ratio, selecting a proper amount of raw materials except benzoic acid and barium sulfate, adding the raw materials into the water-soluble polyurethane emulsion, heating, stirring, and ultrasonically dispersing to disperse the materials in the emulsion to obtain a composite emulsion; (2) putting the composite emulsion into a sealed container with a stirring function, applying irradiation condition to the sealed container, and adding slow benzoic acid and barium sulfate into the stirred composite emulsion under the irradiation condition until the slow benzoic acid and the barium sulfate are added and stirred uniformly; (3) standing for 2 hours, taking out the semi-solidified raw material, cooling and solidifying in a normal temperature environment, and preparing into granular finished products.
In S2, the smelting temperature is 250-275 ℃, the stirring speed is 300r/min, and the standing time is 1 hour.
And S3, performing limiting pouring by using a point pouring gate to turn a side pouring gate, wherein the small end of the main runner is 2-6mm in size, the main runner is arranged in a main runner lining mode, and the surfaces of the sub runners are rough surfaces.
In S7, before spraying, the prepared heat dissipation material and sound insulation material need to be heated and melted at a high temperature of 200 ℃, and the heating time is determined according to the states of the heat dissipation material and the sound insulation material, so that the heat dissipation material and the sound insulation material can reach the spraying conditions.
In S8, the solid solution temperature is 300-440 ℃, the quenching temperature is 980-1070 ℃, and the cold treatment temperature is-180-175 ℃.
Before polishing and forming, a protective agent is coated on the polished part, and the protective agent is an ATCT silver protective agent.
Example 3: a manufacturing method for a sound-insulating and heat-dissipating outer bin of a compressor comprises the following components, by weight, 7-8.5% of Al, 2.3-4.0% of Mg, 0.4-1.0% of Cu, 1.2-2.0% of Si, 2.2-3.3% of a heat-dissipating material, 2-2.5% of carbon fibers, 3.2-4.1% of a sound-insulating material, and the balance of Mn and unavoidable impurities thereof; the preparation method comprises the following steps:
s1: taking materials, namely weighing a proper amount of other raw materials except the heat dissipation material and the sound insulation material according to the mass percentage of each element;
s2: smelting, namely putting the raw materials in the S1 into a smelting furnace for smelting, stirring after the raw materials are completely melted, then slagging off, degassing and refining the smelted liquid, and removing slag after standing;
s3: designing a mold, namely designing and manufacturing a pouring gate position, a main runner and a sub-runner of the mold according to manufacturing requirements;
s4: preheating a mould, namely putting the prepared mould into a mould preheating furnace for preheating, and then obtaining the preheated mould;
s5: pouring, namely injecting the liquid in the S2 into the preheated mold, and cooling and solidifying the pouring liquid to obtain a primary forming structure of the outer bin;
s6: preparing a heat dissipation material and a sound insulation material separately, and obtaining the heat dissipation material and the sound insulation material;
s7: spraying, namely uniformly spraying the prepared heat dissipation material and sound insulation material on the inner wall and the outer wall of the molded outer bin respectively, and drying;
s8: performing heat treatment and cold treatment, namely performing solid solution and quenching heat treatment on the forming outer bin in S5, and putting the forming outer bin into liquid nitrogen for cold treatment;
s9: and (5) machining and forming, namely performing final machining, grinding and forming on the workpiece in the step S8 to obtain a finished workpiece.
The heat dissipation material in the S6 comprises the following components in percentage by weight: 50 parts of polyamide resin, 30 parts of epoxy resin, 0.3 part of silicon dioxide, 13 parts of carbon fiber, 12 parts of antioxidant, 9 parts of silica gel, 13 parts of graphite and 10 parts of graphite.
The preparation method of the heat dissipation material comprises the following steps: (1) selecting a proper amount of raw materials according to the mass ratio, mixing, heating and stirring uniformly, cooling and solidifying, and grinding into powder; (2) heating the powder to 80-110 ℃, putting the raw materials into a high-temperature box, vacuumizing and filling nitrogen as protective gas, adjusting the temperature in the box to 500-550 ℃, and smelting for 1 hour; (3) cooling and solidifying to obtain granular finished product.
The sound insulating material in S6 is composed of the following components in percentage by total weight: 10 parts of calcium hydroxide, 15 parts of polyethylene, 12 parts of polymethyl methacrylate, 5 parts of barium sulfate, 16 parts of polymethyl methacrylate, 4 parts of benzoic acid and 0.8 part of antioxidant.
The preparation method of the sound insulation material comprises the following steps: (1) according to the mass ratio, selecting a proper amount of raw materials except benzoic acid and barium sulfate, adding the raw materials into the water-soluble polyurethane emulsion, heating, stirring, and ultrasonically dispersing to disperse the materials in the emulsion to obtain a composite emulsion; (2) putting the composite emulsion into a sealed container with a stirring function, applying irradiation condition to the sealed container, and adding slow benzoic acid and barium sulfate into the stirred composite emulsion under the irradiation condition until the slow benzoic acid and the barium sulfate are added and stirred uniformly; (3) standing for 2 hours, taking out the semi-solidified raw material, cooling and solidifying in a normal temperature environment, and preparing into granular finished products.
In S2, the smelting temperature is 250-275 ℃, the stirring speed is 300r/min, and the standing time is 1 hour.
And S3, performing limiting pouring by using a point pouring gate to turn a side pouring gate, wherein the small end of the main runner is 2-6mm in size, the main runner is arranged in a main runner lining mode, and the surfaces of the sub runners are rough surfaces.
In S7, before spraying, the prepared heat dissipation material and sound insulation material need to be heated and melted at a high temperature of 200 ℃, and the heating time is determined according to the states of the heat dissipation material and the sound insulation material, so that the heat dissipation material and the sound insulation material can reach the spraying conditions.
In S8, the solid solution temperature is 300-440 ℃, the quenching temperature is 980-1070 ℃, and the cold treatment temperature is-180-175 ℃.
Before polishing and forming, a protective agent is coated on the polished part, and the protective agent is an ATCT silver protective agent.
After the detection is performed on the outer bin manufactured in the embodiment, it is known that the sound insulation and the heat dissipation performance of the outer bin manufactured in the embodiment 2 are better than those of the other two embodiments, and the outer bin can be manufactured according to the embodiment 2.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The manufacturing method of the outer bin for sound insulation and heat dissipation of the compressor is characterized in that the outer bin comprises the following components, by weight, 7-8.5% of Al, 2.3-4.0% of Mg, 0.4-1.0% of Cu, 1.2-2.0% of Si, 2.2-3.3% of a heat dissipation material, 2-2.5% of carbon fiber, 3.2-4.1% of a sound insulation material, and the balance of Mn and inevitable impurities; the manufacturing method comprises the following steps:
s1: taking materials, namely weighing a proper amount of other raw materials except the heat dissipation material and the sound insulation material according to the mass percentage of each element;
s2: smelting, namely putting the raw materials in the S1 into a smelting furnace for smelting, stirring after the raw materials are completely melted, then slagging off, degassing and refining the smelted liquid, and removing slag after standing;
s3: designing a mold, namely designing and manufacturing a pouring gate position, a main runner and a sub-runner of the mold according to manufacturing requirements;
s4: preheating a mould, namely putting the prepared mould into a mould preheating furnace for preheating, and then obtaining the preheated mould;
s5: pouring, namely injecting the liquid in the S2 into a preheated mold, and cooling and solidifying the pouring liquid to obtain a primary molding structure of the outer bin;
s6: preparing a heat dissipation material and a sound insulation material separately, and obtaining the heat dissipation material and the sound insulation material;
s7: spraying, namely uniformly spraying the prepared heat dissipation material and sound insulation material on the inner wall and the outer wall of the molded outer bin respectively, and drying;
s8: performing heat treatment and cold treatment, namely performing solid solution and quenching heat treatment on the forming outer bin in S5, and putting the forming outer bin into liquid nitrogen for cold treatment;
s9: and (5) machining and forming, namely performing final machining, grinding and forming on the workpiece in the step S8 to obtain a finished workpiece.
2. The manufacturing method of the external cabin for sound insulation and heat dissipation of the compressor according to claim 1 is characterized in that: the heat dissipation material in the S6 comprises, by weight, 40-50 parts of polyamide resin, 20-30 parts of epoxy resin, 0.2-0.3 part of silicon dioxide, 10-13 parts of carbon fiber, 10-12 parts of antioxidant, 5-9 parts of silica gel, 10-13 parts of graphite and 9-10 parts of graphite.
3. The manufacturing method of the external cabin for sound insulation and heat dissipation of the compressor as claimed in claim 2, wherein the manufacturing method comprises the following steps: the preparation method of the heat dissipation material comprises the following steps of (1) selecting a proper amount of raw materials according to the mass ratio, mixing, heating and stirring uniformly, cooling and solidifying, and grinding into powder; (2) heating the powder to 80-110 ℃, putting the raw materials into a high-temperature box, vacuumizing and filling nitrogen as protective gas, adjusting the temperature in the box to 500-550 ℃, and smelting for 1 hour; (3) cooling and solidifying to obtain granular finished product.
4. The manufacturing method of the external cabin for sound insulation and heat dissipation of the compressor according to claim 1 is characterized in that: the sound insulation material in the S6 comprises, by weight, 5-10 parts of calcium hydroxide, 10-15 parts of polyethylene, 8-12 parts of polymethyl methacrylate, 2-5 parts of barium sulfate, 12-16 parts of polymethyl methacrylate, 2-4 parts of benzoic acid and 0.6-0.8 part of antioxidant.
5. The manufacturing method of the external cabin for sound insulation and heat dissipation of the compressor as claimed in claim 4, wherein the manufacturing method comprises the following steps: the preparation method of the sound insulation material comprises the following steps of (1) selecting a proper amount of raw materials except benzoic acid and barium sulfate according to the mass ratio, putting the raw materials into water-soluble polyurethane emulsion, heating, stirring, and ultrasonically dispersing to disperse the materials in the emulsion to obtain composite emulsion; (2) putting the composite emulsion into a sealed container with a stirring function, applying irradiation condition to the sealed container, and adding slow benzoic acid and barium sulfate into the stirred composite emulsion under the irradiation condition until the slow benzoic acid and the barium sulfate are added and stirred uniformly; (3) standing for 2 hours, taking out the semi-solidified raw material, cooling and solidifying in a normal temperature environment, and preparing into granular finished products.
6. The manufacturing method of the external cabin for sound insulation and heat dissipation of the compressor according to claim 1 is characterized in that: in the S2, the smelting temperature is 250-275 ℃, the stirring speed is 300r/min, and the standing time is 1 hour.
7. The manufacturing method of the external cabin for sound insulation and heat dissipation of the compressor according to claim 1 is characterized in that: and S3, a limiting gate is adopted, a point gate side-turning gate mode is used, the size of the small end of the main runner is 2-6mm, the main runner is arranged in a main runner lining mode, and the surfaces of the sub runners are arranged in rough surfaces.
8. The manufacturing method of the external cabin for sound insulation and heat dissipation of the compressor according to claim 1 is characterized in that: in the step S7, before spraying, the prepared heat dissipation material and sound insulation material need to be heated and melted at a high temperature of 200 ℃, and the heating time is determined according to the states of the heat dissipation material and the sound insulation material, so that the heat dissipation material and the sound insulation material can reach the spraying conditions.
9. The manufacturing method of the external cabin for sound insulation and heat dissipation of the compressor according to claim 1 is characterized in that: in the S8, the solid solution temperature is 300-440 ℃, the quenching temperature is 980-1070 ℃, and the cold treatment temperature is-180-175 ℃.
10. The manufacturing method of the external cabin for sound insulation and heat dissipation of the compressor according to claim 1 is characterized in that: and before polishing and forming, a protective agent is coated on the polished part, wherein the protective agent is an ATCT silver protective agent.
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