CN111549249A - Composite material reinforced particle ultrasonic vibration feeding hopper device and feeding method thereof - Google Patents
Composite material reinforced particle ultrasonic vibration feeding hopper device and feeding method thereof Download PDFInfo
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- CN111549249A CN111549249A CN202010491540.XA CN202010491540A CN111549249A CN 111549249 A CN111549249 A CN 111549249A CN 202010491540 A CN202010491540 A CN 202010491540A CN 111549249 A CN111549249 A CN 111549249A
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- particles
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/10—Alloys containing non-metals
- C22C1/1036—Alloys containing non-metals starting from a melt
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/28—Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/46—Constructional details of screens in general; Cleaning or heating of screens
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/10—Alloys containing non-metals
- C22C1/1005—Pretreatment of the non-metallic additives
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/10—Alloys containing non-metals
- C22C1/1036—Alloys containing non-metals starting from a melt
- C22C1/1047—Alloys containing non-metals starting from a melt by mixing and casting liquid metal matrix composites
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C21/00—Alloys based on aluminium
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C32/00—Non-ferrous alloys containing at least 5% by weight but less than 50% by weight of oxides, carbides, borides, nitrides, silicides or other metal compounds, e.g. oxynitrides, sulfides, whether added as such or formed in situ
- C22C32/0047—Non-ferrous alloys containing at least 5% by weight but less than 50% by weight of oxides, carbides, borides, nitrides, silicides or other metal compounds, e.g. oxynitrides, sulfides, whether added as such or formed in situ with carbides, nitrides, borides or silicides as the main non-metallic constituents
- C22C32/0052—Non-ferrous alloys containing at least 5% by weight but less than 50% by weight of oxides, carbides, borides, nitrides, silicides or other metal compounds, e.g. oxynitrides, sulfides, whether added as such or formed in situ with carbides, nitrides, borides or silicides as the main non-metallic constituents only carbides
- C22C32/0063—Non-ferrous alloys containing at least 5% by weight but less than 50% by weight of oxides, carbides, borides, nitrides, silicides or other metal compounds, e.g. oxynitrides, sulfides, whether added as such or formed in situ with carbides, nitrides, borides or silicides as the main non-metallic constituents only carbides based on SiC
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B2201/00—Details applicable to machines for screening using sieves or gratings
- B07B2201/04—Multiple deck screening devices comprising one or more superimposed screens
Abstract
The invention relates to an ultrasonic vibration feeding funnel device for composite reinforced particles and a feeding method thereof. The ultrasonic vibration enhanced particle feeding funnel device is simple in structure, easy to operate, high in feeding efficiency and good in stability. Through installing the funnel lid additional, reduced the granule departure, avoided the injury of dust pollution to operating personnel respiratory track, set up supersonic generator and adjusting valve, realized quantitative transport and add the reinforcing granule and to the control of unloading speed, be favorable to improving combined material's performance, reduce operating time, reduce operating personnel working strength.
Description
Technical Field
The invention relates to the field of metal matrix composite material stirring preparation devices, in particular to a composite material reinforced particle ultrasonic vibration feeding hopper device and a feeding method thereof.
Background
The particle reinforced aluminum matrix composite (PAMCs) have the advantages of high specific strength and modulus, good heat conduction and electric conductivity, small thermal expansion coefficient, good dimensional stability, good wear resistance and the like. The silicon carbide particle reinforced aluminum-based composite material is developed most rapidly, can replace materials such as aluminum alloy, titanium alloy, steel and the like to manufacture high-performance light components, and has already gained a great deal of important applications in the fields of aviation, aerospace, automobiles, electronics, military equipment and the like. The stirring casting method has the advantages of simple required equipment, convenient operation, high production efficiency and the like, is particularly suitable for industrial large-scale production, and is the PAMCs preparation method with the greatest development prospect at present. The existing stirring and casting preparation device for the particle reinforced aluminum matrix composite mainly adopts a funnel feeding device to add reinforced particles into a matrix alloy melt.
According to the microstructure and mechanical property (Chinese nonferrous metals report) of the stirring casting SiCp/2024 aluminum-based composite material and the invention patent of a particle reinforced aluminum-based composite material stirring casting preparation device and a preparation method (CN201410333711.0), the existing hopper feeding device has the following defects:
1. the reinforcing particles are easy to adsorb and agglomerate due to the action of van der Waals force to block a hopper feeding port, so that the feeding device with the difficulty in feeding the reinforcing particles fails, and the preparation of the composite material fails.
2. During the charging process, the reinforcing particles are easy to adhere to the inner wall of the funnel, and especially the reinforcing particles in submicron scale are difficult to automatically descend to the mouth of the funnel under the action of gravity, so that the reinforcing particles are difficult to be added.
3. The existing funnel feeding device cannot realize quantitative uniform feeding of the reinforced particles, so that the particles in the prepared composite material melt are easy to agglomerate, and the performance stability of the prepared composite material is poor.
Therefore, there is a need to develop a reinforced particle hopper feeder that solves the above problems to produce high quality PAMCs melts.
Disclosure of Invention
The invention aims to provide an ultrasonic vibration charging hopper device for reinforced particles of a composite material and a charging method thereof, aiming at the problems that in the stirring preparation process of a particle reinforced aluminum-based composite material, reinforced particles are agglomerated due to Van der Waals force, the charging is difficult, the hopper opening of a charging device is easy to block, the charging speed cannot be adjusted and the like, so that the quantitative and uniform charging of the reinforced particles is realized.
The technical scheme adopted by the invention is as follows:
an ultrasonic vibration enhanced particle charging hopper device; the device comprises a funnel cover, a 32-mesh material separating sieve, a 90-mesh material separating sieve, a vibration spring, a bracket, an adjusting valve, a blanking conduit, a temperature-variable-resistant hose, a fixed plate, an ultrasonic generator and a feeding funnel;
the charging hopper is provided with a hopper cover which can cover the charging hopper; the 32-mesh material separating sieve is arranged on the upper layer in the feeding funnel; the 90-mesh material separating sieve is arranged on the lower layer in the feeding funnel; the upper end of the vibrating spring is connected with the upper side of the conical wall of the charging hopper; the lower end of the vibration spring is connected with the bracket; the bracket is arranged on the fixed plate; the ultrasonic generators are symmetrically arranged on the lower side of the conical wall of the charging hopper; a blanking guide pipe is arranged at the bottom of the feeding funnel; the adjusting valve is arranged on the upper side of the blanking guide pipe; the temperature-changing resistant hose is arranged on the lower side of the blanking conduit;
the temperature-changing resistant hose extends into the hearth through the feed opening.
The charging steps for preparing the particle reinforced composite material by adopting the device are as follows:
the method comprises the following steps: and when the temperature of the melt in the resistance furnace rises to a proper value, taking down the funnel cover, adding the reinforced particles into the feeding funnel, enabling the reinforced particles to sequentially pass through a 32-mesh material separating sieve and a 90-mesh material separating sieve, removing agglomerated particles, and covering the funnel cover to prevent the particles from flying out.
Step two: and opening an adjusting valve at the upper side of the blanking conduit, enabling the reinforced particles to enter the hearth through the temperature-variable-resistant hose, and rotating the adjusting valve to control the conveying speed of the reinforced particles.
Step three: starting the ultrasonic generator, adjusting the frequency and power to separate the reinforced particles adhered to the wall of the charging hopper and enter the blanking conduit.
Step four: after the reinforced particles are fed, the ultrasonic generator is closed first, and then the regulating valve is closed, so that the feeding is completed.
The invention has the beneficial effects that:
1. the funnel cover is arranged, so that particles are prevented from flying out, and material waste and damage of dust pollution to operators are avoided.
2. The method utilizes the 32-mesh material separating sieve and the 90-mesh material separating sieve to realize the separation of the agglomerated particles, thereby increasing the accuracy and the reliability of the experiment and improving the quality and the performance of the composite material.
3. The invention utilizes the ultrasonic generator to realize the separation of the enhanced particles adhered to the wall of the charging hopper, saves materials and reduces cost.
4. The invention utilizes the regulating valve to realize the quantitative control of the reinforced particles, is beneficial to the uniform distribution of the reinforced particles and improves the performance of the composite material.
5. The invention utilizes the temperature-variable-resistant hose to avoid the damage of the blanking conduit caused by the collision of the blanking conduit and the fixed plate due to vibration in the blanking process.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Fig. 1 is a schematic view of the overall structure of the preferred embodiment of the present invention.
Description of reference numerals:
the device comprises a hopper cover 1, a hopper cover, a material separating sieve of 2-32 meshes, a material separating sieve of 3-90 meshes, a vibration spring 4, a support 5, a support 6, an adjusting valve 7, a blanking conduit 8, a temperature-variable-resistant hose 9, a fixing plate 10, an ultrasonic generator 11 and a feeding hopper.
Detailed Description
Reference will now be made in detail to the present preferred embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to like elements throughout.
In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, the meaning of a plurality of means is one or more, the meaning of a plurality of means is two or more, and larger, smaller, larger, etc. are understood as excluding the number, and larger, smaller, inner, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.
In order to investigate the effect of the ultrasonic vibrations on the blanking of the reinforcing particles or powders, three different powders were used as experimental materials, in comparison with a conventional reinforcing particle hopper, which were SiC particles with a particle size of 30 μm, SiC particles with a particle size of 150 μm and SiC particles with a particle size of 2 μm, respectively.
Example one
Firstly, 50 g of SiC particles with the granularity of 30 mu m (SiC particles with the granularity of 150 mu m and SiC particles with the granularity of 2 mu m) are poured into a funnel, and meanwhile, an ultrasonic generator is started and emits 10KHz ultrasonic waves to vibrate the funnel, so that the blanking is convenient. And collecting and weighing the residues in the funnel by using a magnet when the blanking is finished.
Example 2
50 g of SiC particles (150 μm in size and 2 μm in size) with a particle size of 30 μm were poured into the funnel, and the funnel was vibrated by starting the vibration motor, thereby facilitating the blanking. And collecting and weighing the residues in the funnel by using a magnet when the blanking is finished.
The following table compares the performance of the examples and comparative examples:
as can be seen from the above table, the residue of example 1 is less and the effect is better than that of example 2, and thus, example 1 is a preferred embodiment of the present invention.
The embodiments of the present invention are not limited to the above-described embodiments, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be construed as equivalents thereof, and they are included in the scope of the present invention.
The above description is only a preferred embodiment of the present invention, and the technical solutions that achieve the objects of the present invention by basically the same means are all within the protection scope of the present invention.
Claims (5)
1. The ultrasonic vibration enhanced particle feeding funnel device is characterized by comprising a funnel cover (1), a 32-mesh material separating sieve (2), a 90-mesh material separating sieve (3), a vibration spring (4), a bracket (5), an adjusting valve (6), a blanking conduit (7), a temperature-variable-resistant hose (8), a fixing plate (9), an ultrasonic generator (10) and a feeding funnel (11);
the charging hopper (11) is provided with a hopper cover (1) for covering the charging hopper (11); the 32-mesh material separating sieve (2) is arranged on the upper layer in the feeding funnel (11); the 90-mesh material separating sieve (3) is arranged at the lower layer in the feeding funnel (11); the upper end of the vibrating spring (4) is connected with the upper side of the conical wall of the charging hopper (11); the lower end of the vibration spring (4) is connected with the bracket (5); the bracket (5) is arranged on the fixed plate (9); the ultrasonic generators (10) are symmetrically arranged on the lower side of the conical wall of the feeding funnel (11); a blanking conduit (7) is arranged at the bottom of the feeding funnel (11); the adjusting valve (6) is arranged on the upper side of the blanking conduit (7); the temperature-changing resistant hose (8) is arranged at the lower side of the blanking conduit (7);
the temperature-changing resistant hose (8) extends into the hearth through the feed opening.
2. An ultrasonically-vibratable particulate-reinforced hopper as claimed in claim 1, wherein the ultrasonic generator (10) is controlled by frequency and power control means, and the ultrasonic generator (10) is connected to the control means by a power supply line.
3. An ultrasonically-vibratable, particle-reinforced hopper device as claimed in claim 1, wherein the ultrasonic generator (10) is provided with a control switch.
4. The ultrasonic vibration enhanced particle charging hopper device as recited in claim 1, wherein the ultrasonic generator (10) is a piezoceramic disk transducer made of PZT-5 piezoelectric material polarized in a thickness direction and having a frequency of 10kHz to 60 kHz.
5. The charging method for preparing the particle-reinforced composite material by using the device of any one of claims 1 to 4 comprises the following steps:
the method comprises the following steps: when the temperature of the melt in the resistance furnace rises to a proper value, the funnel cover (1) is taken down, the reinforced particles are added into the feeding funnel (11), the reinforced particles sequentially pass through the 32-mesh material separating sieve (2) and the 90-mesh material separating sieve (3), agglomerated particles are removed, and the funnel cover (1) is covered to prevent the particles from flying out.
Step two: and opening an adjusting valve (6) on the upper side of the blanking conduit (7) to enable the particles to enter the hearth through a temperature-variable-resistant hose (8), and rotating the adjusting valve (6) to control the conveying speed of the particles.
Step three: starting the ultrasonic generator (10), adjusting the frequency and power to separate the reinforced particles adhered to the wall of the charging hopper (11) and enter the blanking conduit (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010491540.XA CN111549249A (en) | 2020-06-02 | 2020-06-02 | Composite material reinforced particle ultrasonic vibration feeding hopper device and feeding method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010491540.XA CN111549249A (en) | 2020-06-02 | 2020-06-02 | Composite material reinforced particle ultrasonic vibration feeding hopper device and feeding method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN111549249A true CN111549249A (en) | 2020-08-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010491540.XA Pending CN111549249A (en) | 2020-06-02 | 2020-06-02 | Composite material reinforced particle ultrasonic vibration feeding hopper device and feeding method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112904687A (en) * | 2021-02-09 | 2021-06-04 | 杭州达闻西科技创新有限公司 | Powdered ink filling cover |
| CN113042760A (en) * | 2021-02-05 | 2021-06-29 | 浙江大学 | Ultrasonic cooperative resonance auxiliary device for laser additive manufacturing synchronous powder feeder |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202152203U (en) * | 2011-07-05 | 2012-02-29 | 江西希尔康泰制药有限公司 | Vibrating type feeding device |
| CN203972302U (en) * | 2014-07-31 | 2014-12-03 | 湖南德天新能源科技有限公司 | Powder vibratory sieve |
| CN206305014U (en) * | 2016-10-13 | 2017-07-07 | 浙江省东阳市江南电子器件厂 | A kind of particle screen selecting device of magnetic materials production |
| US20170333949A1 (en) * | 2016-05-23 | 2017-11-23 | Superior Industries, Inc. | Vibratory material classifier |
-
2020
- 2020-06-02 CN CN202010491540.XA patent/CN111549249A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202152203U (en) * | 2011-07-05 | 2012-02-29 | 江西希尔康泰制药有限公司 | Vibrating type feeding device |
| CN203972302U (en) * | 2014-07-31 | 2014-12-03 | 湖南德天新能源科技有限公司 | Powder vibratory sieve |
| US20170333949A1 (en) * | 2016-05-23 | 2017-11-23 | Superior Industries, Inc. | Vibratory material classifier |
| CN206305014U (en) * | 2016-10-13 | 2017-07-07 | 浙江省东阳市江南电子器件厂 | A kind of particle screen selecting device of magnetic materials production |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113042760A (en) * | 2021-02-05 | 2021-06-29 | 浙江大学 | Ultrasonic cooperative resonance auxiliary device for laser additive manufacturing synchronous powder feeder |
| CN113042760B (en) * | 2021-02-05 | 2021-12-07 | 浙江大学 | Ultrasonic cooperative resonance auxiliary device for laser additive manufacturing synchronous powder feeder |
| CN112904687A (en) * | 2021-02-09 | 2021-06-04 | 杭州达闻西科技创新有限公司 | Powdered ink filling cover |
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Application publication date: 20200818 |
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