CN115608611B - Aluminum powder screening plant based on wind phenomenon that shakes - Google Patents
Aluminum powder screening plant based on wind phenomenon that shakes Download PDFInfo
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- CN115608611B CN115608611B CN202211543965.6A CN202211543965A CN115608611B CN 115608611 B CN115608611 B CN 115608611B CN 202211543965 A CN202211543965 A CN 202211543965A CN 115608611 B CN115608611 B CN 115608611B
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- 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
- B07B1/40—Resonant vibration screens
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- 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
- B07B1/42—Drive mechanisms, regulating or controlling devices, or balancing devices, specially adapted for screens
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- 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
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- 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
- B07B2201/02—Fastening means for fastening screens to their frames which do not stretch or sag the screening surfaces
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- 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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
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Abstract
The application provides an aluminium powder screening plant based on wind phenomenon that shakes belongs to aluminium powder screening technical field, and the system includes: the air inlet pipeline, the air outlet pipeline and the material inlet are arranged on the hollow rectangular box body; a first screen and a second screen are arranged in the rectangular box body, and the first screen is driven by a wind vibration mechanism to vibrate and screen aluminum powder; wind shakes the mechanism and includes: the fixed angle block, the resonance rod and the resonance rod connecting piece are connected, the resonance rod is vibrated by the input wind of the wind inlet pipeline, so that the first screen is driven to vibrate, meanwhile, the aluminum powder accumulated on the first screen can be lifted by the input wind, and efficient aluminum powder screening is realized under the combined action of the input wind and the first screen; the second screen is connected with the first screen through the transmission rod, so that vibration can be realized; this application has simplified aluminium powder screening plant's structure, has improved the efficiency of aluminium powder screening.
Description
Technical Field
The application relates to the technical field of aluminum powder screening in general, and particularly relates to an aluminum powder screening device based on wind vibration.
Background
The superfine aluminum powder is widely applied in the fields of war industry, aerospace, chemical industry, metallurgy, building materials and the like, the market demand is very large, and the market prospect is very wide, so more and more engineering technicians pay attention to the production of the superfine aluminum powder.
Regarding aluminum powder classification equipment, an aluminum powder vibrating screen is often used for screening aluminum powder in the prior art, but screen blockage often occurs due to a plurality of reasons, for example, more particles near separation points in the aluminum powder vibrating screen, multiple contact points between particles and grids, static electricity, high material water content and the like, and meanwhile, the vibrating screen equipment also has the problems of high investment and high maintenance cost. In the prior art, a wind power sieving machine is used for sieving powder, air flow is used for dispersing the powder, and the powder passes through a statically placed sieve, and the sieve is static, so that the sieve is only suitable for accurately sieving powder with fine particles, the productivity is low, and the blockage of the sieve is easy to occur. Therefore, in view of the problems of the prior art, further improvement of the aluminum powder screening device is required.
Disclosure of Invention
The utility model aims at providing an aluminium powder screening plant based on wind phenomenon that shakes, it can simplify aluminium powder screening plant's structure, has improved the efficiency of aluminium powder screening.
According to an aspect of the present application, there is provided an aluminum powder screening device based on a wind vibration phenomenon, comprising:
the air inlet pipeline is communicated with the air outlet pipeline; the air inlet pipeline is arranged in the middle of one side wall of the rectangular box body and communicated with the rectangular box body, the air outlet pipeline is arranged at the upper part of the same side wall and communicated with the rectangular box body, and the feeding port is arranged at the top of the rectangular box body and used for providing aluminum powder for the aluminum powder screening device;
the rectangular box body is separated by a first screen and a second screen which are arranged in the rectangular box body, the second screen is horizontally arranged in the rectangular box body, and the first screen is arranged above the second screen and forms an acute angle with the horizontal plane; the first screen is used for driving the vibrating screen to sieve the aluminum powder through a wind vibrating mechanism;
wind shakes the mechanism and includes: the resonance device comprises a fixed corner block, resonance rods and resonance rod connecting pieces, wherein the fixed corner block is fixedly arranged on the inner side wall of the side wall provided with an air inlet pipeline and an air outlet pipeline, a plurality of vertical resonance rods are fixedly arranged below the fixed corner block, the resonance rods are opposite to the air inlet pipeline, the lower ends of the resonance rods are fixedly connected with the top of the resonance rod connecting pieces, one end of each resonance rod connecting piece is connected with one end of a first screen, the other end of each resonance rod connecting piece is connected with the inner side wall of a rectangular box body through a first elastic connecting piece, the other end of the first screen is hinged with the other inner side wall of the rectangular box body, the other end of the first screen is tangent to the other inner side wall of the rectangular box body, and the hinged connection position of the first screen and the other inner side wall of the rectangular box body is higher than the position of the first screen and the resonance rod connecting pieces;
the bottom of the resonance rod connecting piece is hinged with one end of the transmission rod, the other end of the transmission rod is hinged with the top of the transmission rod connecting piece, one side of the transmission rod connecting piece is connected with the inner side wall of the rectangular box body through a second elastic connecting piece, the other side of the transmission rod connecting piece is connected with one end of a second screen, and the other end of the second screen is hinged with the other inner side wall of the rectangular box body;
the transmission rod is not perpendicular to the resonance rod connecting piece and the transmission rod connecting piece, and the sieve pores of the second sieve are smaller than those of the first sieve.
In some embodiments, the transmission rod is replaced by an elastic element, and two ends of the elastic element are fixedly connected with the resonance rod connecting piece and the transmission rod connecting piece respectively.
In some embodiments, the cross section of the fixed corner block is a right triangle, the inclined plane of the fixed corner block enables the lifted aluminum powder to slide to the first screen again through the inclined plane, a right-angle surface of the fixed corner block is fixedly connected with the inner side wall of the rectangular box body, a plurality of rows of damping holes are formed in the right-angle surface, and the resonance rod is fixedly arranged on the other right-angle surface.
In some embodiments, the plurality of resonance rods are divided into two rows and arranged on the fixed corner block, the two rows of resonance rods are arranged in a staggered mode, the resonance rod far away from the air inlet pipeline is a first resonance rod, and the resonance rod close to the air inlet pipeline is a second resonance rod.
In some embodiments, the first resonant bar is of a different cross-section than the second resonant bar.
In some embodiments, a dust sensor is disposed at an upper portion of the interior of the rectangular box.
In some embodiments, a first take gate is provided on a side wall of the rectangular box between the first screen and the second screen.
In some embodiments, a second material taking door is arranged on the side wall of the rectangular box body below the second screen.
In some embodiments, the number of the second elastic connecting members is two, one ends of the two second elastic connecting members are connected together and connected to one side of the driving rod connecting member, and the other ends of the two second elastic connecting members are symmetrically connected to the inner side wall of the rectangular box body with respect to the driving rod connecting member.
In some embodiments, the first screen comprises: first screen cloth body and the first screen cloth mesh that a plurality of arrays of setting on first screen cloth body were arranged, first screen cloth mesh is many prismatic table shapes.
According to this application, through with in introducing aluminium powder sieving mechanism creatively with wind vibration phenomenon, solved the easy problem that blocks up, equipment investment is high and maintenance cost is expensive of traditional aluminium powder sieving mechanism screen cloth, the advantage of structure with vibration screening machine and wind-force screening machine simple to use combines together, has simplified aluminium powder sieving mechanism's structure promptly, has improved the efficiency of aluminium powder screening again.
Drawings
Other features, objects and advantages of the present application will become more apparent upon reading of the following detailed description of non-limiting embodiments thereof, with reference to the accompanying drawings in which:
FIG. 1 is a schematic structural diagram of an aluminum powder screening device based on wind vibration phenomenon;
FIG. 2 is a schematic diagram of the internal structure of an aluminum powder screening device based on wind vibration phenomenon;
FIG. 3 is a schematic diagram showing the internal structure of another aluminum powder screening device based on wind vibration phenomenon;
FIG. 4 is a schematic view of the structure of the fixed corner block and the resonant bar;
FIG. 5 is a schematic sectional view of three resonant rods;
FIG. 6 is a schematic view of a first screen;
aluminum powder screening plant 1 based on wind vibration phenomenon, air inlet pipeline 2, air outlet pipeline 3, fan 4, filter equipment 5, fixed corner block 6, resonance rod 7, resonance rod connecting piece 8, first elastic connecting piece 9, first screen cloth 10, first pin shaft 11, dust sensor 12, material inlet 13, transmission rod 14, transmission rod connecting piece 15, second screen cloth 16, second elastic connecting piece 17, second pin shaft 18, first material taking door 19, second material taking door 20, triaxial accelerometer 21, elastic element 22, damping hole 61, first resonance rod 71, second resonance rod 72, groove 73, first screen cloth body 101, first screen cloth mesh hole 102, first screen cloth mesh hole wall 103.
Detailed Description
The present application will be described in further detail with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the relevant application and are not limiting of the application. It should be noted that, for the convenience of description, only the portions relevant to the application are shown in the drawings.
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
According to the prior art, the wind vibration phenomenon is specifically as follows: the period of the pulsating wind is close to the natural vibration period of the structure, and the vibration of the structure generated under the action of the pulsating wind is referred to as wind vibration for short. This phenomenon is often a huge disaster to civil engineering, such as cable bridge and high-rise building, and designers often need to avoid occurrence of such resonance through reasonable design to cause the disaster, that is, technicians in various fields are in the thousands of ways to avoid or reduce the influence of wind vibration through parameter design.
The physical phenomenon is creatively applied to the aluminum powder screening device, the vibration driving of the screen is realized by utilizing the wind vibration phenomenon, the input wind causing the wind vibration phenomenon can lift the aluminum powder falling on the screen, and the two are combined to realize the high-efficiency screening of the aluminum powder. Those skilled in the art can implement the wind vibration phenomenon by reasonably selecting parameters such as material, height, cross-sectional shape and the like of the structure and matching with a proper wind speed, and specific parameter selection will be discussed in specific embodiments.
Fig. 1-2 show a schematic structural diagram of an aluminum powder screening device based on a wind vibration phenomenon according to an embodiment of the present application. An aluminum powder screening device 1 based on wind vibration phenomenon comprises:
the device comprises a hollow rectangular box body, an air inlet pipeline 2, an air outlet pipeline 3 and a feeding port 13; the air inlet pipeline 2 is arranged in the middle of one side wall of the rectangular box body and communicated with the rectangular box body, the air outlet pipeline 3 is arranged on the upper portion of the same side wall and communicated with the rectangular box body, and the feeding port 13 is arranged at the top of the rectangular box body and used for providing aluminum powder for the aluminum powder screening device.
The rectangular box body is divided into three parts of spaces by a first screen 10 and a second screen 16 which are arranged in the rectangular box body, the second screen is horizontally arranged in the rectangular box body, and the first screen is arranged above the second screen and forms an acute angle with the horizontal plane; the first screen mesh is driven by a wind vibration mechanism to vibrate and screen the aluminum powder.
The first part space of rectangle box is the space above first screen cloth 10 for receive the aluminium powder that pan feeding mouth 13 injected into, the vibration of simultaneously through first screen cloth 10 and the input wind of income tuber pipe way 2 raise the aluminium powder and realize the first screening of aluminium powder, and air-out pipeline 3 is used for exporting the input wind. The air inlet pipeline 2 can be internally provided with a fan 4 for providing input air, the air inlet pipeline 2 can also be internally provided with a rectifying plate and a dehumidifying device (not shown in the attached drawing), the rectifying plate can rectify the input air to enable the input air to be more uniform, and the dehumidifying device can remove water vapor in the input air to avoid aluminum powder in the screening device from being influenced by the water vapor to be agglomerated. Be provided with filter equipment 5 in the air-out pipeline 3, filter equipment 5 can avoid waiting the aluminite powder of screening to escape through air-out pipeline 3, can also set up blowback device (not shown in the drawing) in the air-out pipeline 3, and blowback device can avoid filter equipment 5 to use for a long time and blockked up unable normal work. And a dust sensor 12 is also arranged at the upper part in the rectangular box body, and the dust sensor 12 is used for monitoring the dust concentration in the aluminum powder screening device.
Regarding the parameters of the fan 4 for providing the input wind, which may provide a sinusoidal wind load or a random load under the control of the controller, the wind speed is between 0 and 20 m/s, the selection of the specific wind speed needs to be adapted to the parameters of the resonant bar 7, and the specific parameters may be simulated by finite element software.
The second part of the space of the rectangular box body is the space between the first screen 10 and the second screen 16, and the aluminum powder sieved by the first screen 10 and the second screen 16 can be taken out through a first material taking door 19 arranged on the side wall of the rectangular box body between the first screen 10 and the second screen 16, and the part of the aluminum powder is the aluminum powder actually required to be sieved.
The third part of the space of the rectangular box body is the space below the second screen 16 and is used for receiving the aluminum powder screened by the second screen 16, the aluminum powder can be taken out through a second material taking door 20 arranged on the side wall of the rectangular box body below the second screen 16, and the aluminum powder can be used for subsequent further screening as required.
Wind shakes the mechanism and includes: fixed hornblock 6, resonance pole 7 and resonance pole connecting piece 8, fixed hornblock 6 fixed mounting is on the inside wall of the lateral wall that is provided with air-in pipeline 2 and air-out pipeline 3, fixed hornblock 6 below is fixed to be set up a plurality of vertical resonance poles 7, resonance pole 7 is just right with air-in pipeline 2, the top fixed connection of a plurality of resonance pole 7 lower extremes and resonance pole connecting piece 8, the one end of resonance pole connecting piece 8 is connected with the one end of first screen cloth 10, the other end of resonance pole connecting piece 8 is connected with the inside wall of rectangle box through first elastic connector 9, the other end of first screen cloth 10 is connected through first round pin axle 11 is articulated with another inside wall of rectangle box, and the other end of first screen cloth 10 is tangent with another inside wall of rectangle box, the articulated position of being connected of another inside wall of first screen cloth 10 and rectangle box is higher than the position of being connected with first screen cloth 10 and resonance pole connecting piece 8. The input wind input by the wind inlet pipeline 2 passes through the plurality of resonance rods 7 which are opposite to the input wind, vortex shedding can be generated, the frequency of the vortex shedding and the natural frequency of the resonance rods 7 resonate to generate amplitude vibration in a certain range, the vibration can control the vibration amplitude through controlling the wind speed, and the vibration amplitude is maximum under the resonance condition; and the input wind passing through the resonance rod 7 can lift the aluminum powder on the first screen mesh 10. The other end of the first screen 10 is tangential to the other inner side wall of the rectangular box, so that the aluminum powder falling onto the first screen 10 is driven by the input wind to be lifted along a smooth path, the input wind can enter the air outlet pipeline 3 through a smooth path, and excessive turbulent flow cannot be generated. The first elastic connecting piece 9 and the first pin shaft 11 can ensure that the resonant rod 7 has a movable degree of freedom when the resonant rod connecting piece 8 drives the first screen mesh 10 to vibrate, and the first elastic connecting piece can be made of rubber, silicon rubber or resin materials. The bottom of the resonant rod connector 8 is provided with a three-axis accelerometer 21 for monitoring the amplitude of the resonant rod connector 8, and when the amplitude exceeds a set threshold, a command can be sent to the controller to shut down the fan 4.
The bottom of the resonance rod connecting piece 8 is hinged with one end of the transmission rod 14, the other end of the transmission rod 14 is hinged with the top of the transmission rod connecting piece 15, one side of the transmission rod connecting piece 15 is connected with the inner side wall of the rectangular box body through a second elastic connecting piece 17, the other side of the transmission rod connecting piece 15 is connected with one end of a second screen 16, and the other end of the second screen 16 is hinged with the other inner side wall of the rectangular box body through a second pin shaft 18. The drive link 14 may effect simultaneous vibration of the first and second screens.
The driving rod 14 is not perpendicular to the resonance rod connection member 8 and the driving rod connection member 15, and the second screen 16 has a mesh size smaller than that of the first screen 10. The fact that the transmission rod 14 is not perpendicular to the resonant rod connection 8 and the transmission rod connection 15 enables the second screen 16 to vibrate in both the vertical and horizontal directions, and the second elastic connection 17 and the second pin 18 ensure the freedom of movement of the second screen 16 when vibrating.
In a preferred embodiment, as shown in fig. 3, in another schematic internal structure diagram of an aluminum powder screening device based on wind vibration phenomenon, the transmission rod 14 is replaced by an elastic element 22, and both ends of the elastic element 22 are fixedly connected with the resonance rod connecting piece 8 and the transmission rod connecting piece 15 respectively. The use of the elastic element 22 can avoid transmission loss caused by the connection of the transmission rod 14 with the resonance rod connection part 8 and the transmission rod connection part 15, the transmission rod 14 is easy to damage as a transmission part, the maintenance cost can be increased in the later period, and the use of the elastic element 22 can not only improve the transmission performance, but also reduce the cost of the screening device. The resilient member 22 is preferably a relatively stiff spring.
In some embodiments, as shown in fig. 4, the section of the fixed corner block 6 is a right triangle, the inclined surface of the fixed corner block 6 makes the raised aluminum powder slide down to the first screen mesh 10 again through the inclined surface, a right-angle surface of the fixed corner block 6 is fixedly connected with the inner side wall of the rectangular box body, a plurality of rows of damping holes 61 are arranged on the right-angle surface, and the resonance rod 7 is fixedly arranged on the other right-angle surface. Damping hole 61's effect has two, firstly reduces the quality of fixed hornblock 6 through digging the hole, makes things convenient for the transportation of part and equipment, secondly realizes the effect of damping through hollow out construction, and is preferred, can fill damping material in damping hole 61, like cork, rubber, sponge latex etc..
In some embodiments, as shown in fig. 4, the right side of fig. 4 is a cross-sectional view of the fixed corner block 6, the right side of fig. 4 is a side view of the fixed corner block 6, the plurality of resonant rods 7 are divided into two rows and disposed on the fixed corner block 6, the two rows of resonant rods 7 are arranged in a staggered manner, the resonant rod 7 far away from the air inlet duct 2 is a first resonant rod 71, the resonant rod 7 close to the air inlet duct 2 is a second resonant rod 72, the first resonant rod 71 is shown by a thick line, and the second resonant rod 72 is shown by a thin line. The plurality of resonance rods 7 are divided into a plurality of columns which are staggered and uniformly arranged, so that a better screen vibrating effect can be realized.
In some embodiments, the first resonant bar 71 and the second resonant bar 72 are different in cross-section.
In some embodiments, as shown in fig. 5, the arrow is the direction of the input wind, and the cross section of the resonant rod 7 may be square or circular, or rectangular (not shown in the drawings). In order to increase the possibility of vortex shedding on the resonance rod 7, a plurality of grooves 73 may be provided on the surface of the resonance rod 7 facing away from the input wind, which is provided to improve the vibration amplitude of the resonance rod 7. Taking the cross section of the resonant rod 7 as a circle as an example, if the diameter of the circular cross section is 50mm, the height of the resonant rod 7 should be greater than 250mm, i.e. the height of the resonant rod 7 is at least 5 times the diameter of the circular cross section; if the cross section of the resonant rod 7 is rectangular, the shorter side of the rectangle is selected to face the input wind, and if the length of the shorter side is 50mm, the length of the longer side of the rectangle should not exceed 100mm, i.e. the length of the longer side should not exceed twice the length of the shorter side, and the height of the resonant rod 7 should be greater than 300mm, i.e. the height is at least 6 times the shorter side of the cross section. The material of the resonant rod 7 can be aluminum or ceramic material, preferably aluminum material. The hollow aluminum bar is used as the resonance rod 7, so that impurities can be prevented from being introduced into aluminum powder due to friction and other factors caused by using other materials, and the ceramic material with high hardness and low density can also be used for manufacturing the resonance rod 7.
In some embodiments, the number of the second elastic links 17 is two, and one ends of the two second elastic links 17 are connected together and to one side of the transfer lever link 15, and the other ends of the two second elastic links 17 are connected to the inner sidewall of the rectangular box symmetrically with respect to the transfer lever link 15. Since the second screen 16 is arranged in this way, the position and angle of the second screen 16 can be better ensured, and the reliability of the connection of the second screen 16 with the rectangular box body is also improved.
In some embodiments, the first screen 10 comprises: the screen comprises a first screen body 101 and a plurality of first screen meshes 102 arranged in an array on the first screen body 101, wherein the first screen meshes 102 are in a multi-frustum shape. Preferably, the first screen mesh 102 is in the shape of a quadrangular frustum of a pyramid with four first screen mesh walls 103. The first screen mesh 102 is a polygon terrace shape, which can better prevent blockage compared with the prior art, because the polygon terrace shape is wide at the top and narrow at the bottom, the material can not be easily blocked in the mesh like the conventional screen, and under the vibration of the first screen 10 and the input wind, the large-particle aluminum powder can be easily separated from the constraint of the first screen mesh 102. Preferably, second screen 16 is of the same construction as first screen 10.
The resonance rod 7 is vibrated through the input wind of the wind inlet pipeline 2 based on the wind vibration phenomenon, so that the first screen mesh 10 is driven to vibrate, meanwhile, the input wind can also lift the aluminum powder accumulated on the first screen mesh 10, and efficient aluminum powder screening is realized under the combined action of the input wind and the first screen mesh 10; the second screen 16 is connected with the first screen 10 through a transmission rod, so that vibration can be realized, and further screening of aluminum powder can be performed; this application has simplified aluminium powder screening plant's structure, has improved the efficiency of aluminium powder screening.
In some embodiments, the input air can be simultaneously supplied to the aluminum powder screening devices in multiple embodiments through the air inlet duct 2, and the multiple aluminum powder screening devices respectively have a first screen and a second screen with different apertures, that is, screening of multiple aluminum powder particle sizes can be simultaneously realized. The application principle is simple, the structure is simple, compared with the prior art, the manufacturing and maintenance cost is low, and good economic benefits can be obtained.
The above description is only a preferred embodiment of the application and is illustrative of the principles of the technology employed. It will be appreciated by those skilled in the art that the scope of the application referred to in the present application is not limited to the embodiments with a particular combination of the above-mentioned features, but also encompasses other embodiments with any combination of the above-mentioned features or their equivalents without departing from the scope of the application. For example, the above features may be replaced with (but not limited to) features having similar functions disclosed in the present application.
Claims (10)
1. The utility model provides an aluminium powder screening plant based on wind phenomenon that shakes which characterized in that includes: the air inlet pipeline is communicated with the air outlet pipeline; the air inlet pipeline is arranged in the middle of one side wall of the rectangular box body and is communicated with the rectangular box body, the air outlet pipeline is arranged at the upper part of the same side wall and is communicated with the rectangular box body, and the feeding port is arranged at the top of the rectangular box body and is used for providing aluminum powder for the aluminum powder screening device;
the rectangular box body is separated by a first screen and a second screen which are arranged in the rectangular box body, the second screen is horizontally arranged in the rectangular box body, and the first screen is arranged above the second screen and forms an acute angle with the horizontal plane; the first screen is used for driving the vibrating screen to sieve the aluminum powder through a wind vibrating mechanism;
wind shakes the mechanism and includes: the resonance device comprises a fixed corner block, resonance rods and resonance rod connecting pieces, wherein the fixed corner block is fixedly arranged on the inner side wall of the side wall provided with an air inlet pipeline and an air outlet pipeline, a plurality of vertical resonance rods are fixedly arranged below the fixed corner block, the resonance rods are opposite to the air inlet pipeline, the lower ends of the resonance rods are fixedly connected with the top of the resonance rod connecting pieces, one end of each resonance rod connecting piece is connected with one end of a first screen, the other end of each resonance rod connecting piece is connected with the inner side wall of a rectangular box body through a first elastic connecting piece, the other end of the first screen is hinged with the other inner side wall of the rectangular box body, the other end of the first screen is tangent to the other inner side wall of the rectangular box body, and the hinged connection position of the first screen and the other inner side wall of the rectangular box body is higher than the position of the first screen and the resonance rod connecting pieces;
the bottom of the resonance rod connecting piece is hinged with one end of the transmission rod, the other end of the transmission rod is hinged with the top of the transmission rod connecting piece, one side of the transmission rod connecting piece is connected with the inner side wall of the rectangular box body through a second elastic connecting piece, the other side of the transmission rod connecting piece is connected with one end of a second screen, and the other end of the second screen is hinged with the other inner side wall of the rectangular box body;
the transmission rod is not perpendicular to the resonance rod connecting piece and the transmission rod connecting piece, and the meshes of the second screen are smaller than those of the first screen.
2. The aluminum powder screening device as claimed in claim 1, wherein the driving rod is replaced with an elastic member, and both ends of the elastic member are fixedly connected with the resonance rod connecting member and the driving rod connecting member, respectively.
3. The aluminum powder screening device as claimed in claim 1, wherein the cross section of the fixed angle block is a right triangle, the inclined surface of the fixed angle block makes the raised aluminum powder slide to the first screen again through the inclined surface, a right angle surface of the fixed angle block is fixedly connected with the inner side wall of the rectangular box body, a plurality of rows of vibration reduction holes are arranged on the right angle surface, and the resonance rod is fixedly arranged on the other right angle surface.
4. An aluminum powder screening device as claimed in claim 1, wherein the plurality of resonance bars are divided into two rows and arranged on the fixed corner block, the two rows of resonance bars are arranged in a staggered manner, the resonance bar far away from the air inlet duct is a first resonance bar, and the resonance bar near the air inlet duct is a second resonance bar.
5. Aluminum powder screening device according to claim 4, wherein the first resonance bar and the second resonance bar have different cross sections.
6. An aluminum powder screening device as claimed in claim 1, wherein a dust sensor is provided at an upper portion of the inside of the rectangular box.
7. An aluminum powder screening device as claimed in claim 1, wherein a first material taking gate is provided on the side wall of the rectangular box between the first screen and the second screen.
8. An aluminum powder screening device as claimed in claim 1, wherein a second material taking gate is provided on the side wall of the rectangular box under the second screen.
9. An aluminum powder screening device as claimed in claim 1, wherein the second elastic connecting members are two, one ends of the two second elastic connecting members are connected together and to one side of the transmission rod connecting member, and the other ends of the two second elastic connecting members are connected to the inner side wall of the rectangular box symmetrically with respect to the transmission rod connecting member.
10. An aluminum powder screening device as claimed in claim 1, wherein the first screen comprises: first screen cloth body and the first screen cloth mesh that a plurality of arrays of setting on first screen cloth body were arranged, first screen cloth mesh is many prismatic table shapes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211543965.6A CN115608611B (en) | 2022-12-04 | 2022-12-04 | Aluminum powder screening plant based on wind phenomenon that shakes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211543965.6A CN115608611B (en) | 2022-12-04 | 2022-12-04 | Aluminum powder screening plant based on wind phenomenon that shakes |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115608611A CN115608611A (en) | 2023-01-17 |
| CN115608611B true CN115608611B (en) | 2023-04-14 |
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| CN202211543965.6A Active CN115608611B (en) | 2022-12-04 | 2022-12-04 | Aluminum powder screening plant based on wind phenomenon that shakes |
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| CN115608611A (en) | 2023-01-17 |
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