CN113333295A - Building sandstone screening device and using method thereof - Google Patents
Building sandstone screening device and using method thereof Download PDFInfo
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- CN113333295A CN113333295A CN202110635676.8A CN202110635676A CN113333295A CN 113333295 A CN113333295 A CN 113333295A CN 202110635676 A CN202110635676 A CN 202110635676A CN 113333295 A CN113333295 A CN 113333295A
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- 238000012216 screening Methods 0.000 title claims abstract description 44
- 238000000034 method Methods 0.000 title claims abstract description 11
- 239000000463 material Substances 0.000 claims abstract description 65
- 239000004576 sand Substances 0.000 claims abstract description 33
- 239000004575 stone Substances 0.000 claims abstract description 22
- 239000002245 particle Substances 0.000 claims description 17
- 239000004744 fabric Substances 0.000 claims description 14
- 230000007246 mechanism Effects 0.000 claims description 6
- 238000005192 partition Methods 0.000 claims 2
- 238000007789 sealing Methods 0.000 claims 2
- 230000000694 effects Effects 0.000 description 14
- 230000009286 beneficial effect Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 238000007873 sieving Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000005253 cladding Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 239000004035 construction material Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
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Classifications
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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
- B07B13/00—Grading or sorting solid materials by dry methods, not otherwise provided for; Sorting articles otherwise than by indirectly controlled devices
- B07B13/04—Grading or sorting solid materials by dry methods, not otherwise provided for; Sorting articles otherwise than by indirectly controlled devices according to size
- B07B13/05—Grading or sorting solid materials by dry methods, not otherwise provided for; Sorting articles otherwise than by indirectly controlled devices according to size using material mover cooperating with retainer, deflector or discharger
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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
- B07B13/00—Grading or sorting solid materials by dry methods, not otherwise provided for; Sorting articles otherwise than by indirectly controlled devices
- B07B13/14—Details or accessories
- B07B13/16—Feed or discharge arrangements
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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
- B07B13/00—Grading or sorting solid materials by dry methods, not otherwise provided for; Sorting articles otherwise than by indirectly controlled devices
- B07B13/14—Details or accessories
- B07B13/18—Control
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention belongs to the technical field of building devices, and particularly relates to a sand and stone screening device for a building and a using method thereof. Including the mounting bracket, the mounting bracket comprises the portal frame that two sets of symmetries set up and the crossbeam that connects two sets of portal frames, and is two sets of the upper end middle part of portal frame is equipped with first pivot hole, be equipped with the first pivot of being connected with it rotation in the first pivot hole, the outside of first pivot one end is equipped with the rotating electrical machines, the pivot is located the both sides of mounting bracket inside part and is equipped with the mount, the outside of pivot is equipped with the semi-cylindrical barrel with mount fixed connection, the pivot is located the middle part of semi-cylindrical barrel terminal surface, the lower part both sides of semi-cylindrical barrel are equipped with the rotor plate. This technical scheme is used for solving traditional grit screening plant and easily blocks up at the sieve material in-process to and traditional grit screening plant is bulky, requires high problem to the space in use place.
Description
Technical Field
The invention belongs to the technical field of building devices, and particularly relates to a sand and stone screening device for a building and a using method thereof.
Background
Concrete is a common construction material in the field of construction, and when the concrete is manufactured and processed, in order to ensure the quality of the concrete, the proportion of the particle size of sand in the concrete raw material needs to be strictly controlled, so that the production quality of the concrete is ensured. Therefore, after the raw materials are prepared, workers need to sample and investigate the sandstone in the raw materials to ensure that the sandstone with different particle sizes meets the concrete production standard.
Because the proportion of different grit particle diameters in the sample need be clear and definite to sample, so need separate the grit of different particle diameters size in the sample, when carrying out sample separation, what often adopted utilizes the vibration principle to carry out the device of grit separation, but this kind of device can appear following use problem in actual application: (1) the grit blocks up the sieve material hole of screen cloth easily, causes the problem that screening efficiency reduces. (2) A plurality of screens with different screen hole diameters are required to be arranged, so that the volume of the equipment is increased, and the equipment is not suitable for small places such as laboratories.
Disclosure of Invention
Aiming at the defects of the technology, the invention aims to provide a building sandstone screening device and a using method thereof, which are used for solving the problems that the traditional sandstone screening device is easy to block in the screening process, and the traditional sandstone screening device is large in size and high in requirement on the space of a use site.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
the utility model provides a grit screening plant for building, includes the mounting bracket, the mounting bracket comprises the portal frame that two sets of symmetries set up and the crossbeam that goes on connecting two sets of portal frames, and is two sets of the upper end middle part of portal frame is equipped with first pivot hole, be equipped with the first pivot of being connected with it rotation in the first pivot hole, the outside of first pivot one end is equipped with the rotating electrical machines, the both sides that the pivot is located the mounting bracket inside part are equipped with the mount, the outside of pivot is equipped with the semi-cylindrical barrel with mount fixed connection, the pivot is located the middle part of semi-cylindrical barrel terminal surface, the lower part both sides of semi-cylindrical barrel are equipped with the rotor plate, the connecting portion of rotor plate and semi-cylindrical barrel is equipped with the second pivot, the rotor plate rotates with semi-cylindrical barrel through the second pivot to be connected, the both sides of rotor plate are equipped with elasticity cloth, elasticity cloth, The rotating plate and the semi-cylindrical barrel can form a closed space, a feed port convenient for adding gravel is arranged on the arc-shaped surface of the semi-cylindrical barrel, and a feed end cover is arranged on the outer side of the feed port;
the middle part of pivot is equipped with linear electric motor, linear electric motor's output sets up down, be equipped with the push pedal on linear electric motor's the output, the tip of push pedal and the rotor plate surface contact of both sides, the rotor plate internal surface tip that both sides set up is provided with the reset spring who connects the two.
The working principle of the technical scheme is as follows:
the sand and stone sample is put in through a feeding hole in the arc-shaped surface of the semi-cylindrical barrel, then the linear motor is controlled by the control system to extend downwards, the lower part of the rotating plate rotates to form a gap under the action of the pushing plate, the size of the gap is adjusted from small to large according to sand and stone particle size screening standards, then the rotating motor rotates upwards to 185 degrees, the semi-cylindrical barrel is driven to rotate upwards by the same angle, so that the sand and stone in the semi-cylindrical barrel also rotate and move, after the rotating motor rotates to 185 degrees, the rotating motor rotates reversely to reset, the sand and stone in the semi-cylindrical barrel also move downwards, at the moment, a part of the sand and stone falls out through the gap of the rotating plate, and the operation is circulated, and the sand and stone can be screened according to the order of particle size from small to large.
The rotating motor is a servo motor, and the servo motor has the advantage that the servo motor can accurately control the rotating angle, namely the rotating effect of the semi-cylindrical barrel can be improved when the device is used.
Further inject, the both ends of push pedal all are equipped with the horizontal pole, the middle part of horizontal pole and the tip fixed connection of push pedal, the length of horizontal pole equals with the length of rotor plate, and its beneficial part lies in, when linear electric motor downstream, the setting of horizontal pole can be bigger with the internal surface area of contact of rotor plate, makes the rotor plate atress effect better, can promote the rotation effect of rotor plate, and the horizontal pole can promote the spacing effect to the rotor plate simultaneously, when guaranteeing semi-cylindrical barrel rotatory, can not cause the vibration displacement of rotor plate, guarantees the stability of both sides rotor plate lower part clearance width.
Further limit, the middle parts of the rotating plate and the beam at one side are respectively provided with a pull rope and a fixed pulley, one end of the pull rope is fixedly connected with the outer surface of the rotating plate, the other end of the pull rope passes through the fixed pulley and is provided with a balancing weight, when the center line of the arc surface of the semi-cylindrical barrel body rotates to the lowest end, the pull rope is tightened and stressed, it has the advantages that because the sand stone larger than the gap between the rotating plates is easy to block the gap, therefore, when the rotating motor rotates 180 degrees, the gap between the rotating plates is positioned at the top, the pull rope is stressed at the moment, when the rotating plate rotates for a certain angle, the pull rope pulls the rotating plates reversely at the moment, so that the gap between the rotating plates is expanded, therefore, the gravels clamped in the gaps fall into the semi-cylindrical barrel, and when the gravels rotate reversely, the gaps of the rotating plates at the two sides reset under the action of the reset spring.
Further inject, still including setting up the receiving mechanism in the rotor plate below, receiving mechanism includes the material receiving mouth of infundibulate, the below that connects the hopper is equipped with material receiving box, material receiving box and the lower extreme sliding connection who connects the material receiving mouth, be equipped with a plurality of baffles in the material receiving box, the baffle is equallyd divide into a plurality of material receiving chambers with material receiving box's inner space, and its beneficial part lies in, and the material receiving mouth of infundibulate can collect the grit that sieves out, then drops to in the material receiving box, divide into a plurality of material receiving chambers in the material receiving box, can collect the grit of different particle diameters.
Further inject, the lower extreme projection that connects the material mouth is located and connects the material chamber in the material receiving box, it is equipped with annular sealed cloth to connect the material mouth lower extreme, sealed cloth can be with being located and connect the cladding on the material chamber under the material mouth lower extreme, and its beneficial part lies in, avoids the grit to drop outside the material receiving box, guarantees the collection effect to the grit, has also promoted the precision of experimental result simultaneously.
The first rotating shaft is a hollow shaft, a plurality of exhaust holes are uniformly formed in the surface of the part, located in the semi-cylindrical barrel, of the first rotating shaft, the part, located on the outer side of the semi-cylindrical barrel, of the first rotating shaft is provided with an air inlet, and an air inlet pipe is connected to the air inlet.
Further inject, the lower extreme of mounting bracket is equipped with vibration platform, the mounting bracket is located vibration platform, and its beneficial part is in, vibration platform's vibration helps the adhesion to decompose at a group's grit, can also promote the grit simultaneously and follow the rate that the rotor plate clearance dropped.
A use method of a building sandstone screening device comprises the following steps:
(1) putting a sandstone sample through a feed inlet on the arc surface of the semi-cylindrical barrel;
(2) the control system controls the output shaft of the linear motor to move downwards, so that the push plate is contacted with the rotating plates, and the width of the gap at the lower ends of the rotating plates at two sides is consistent with the minimum particle size of the sand screening standard;
(3) the control system controls the rotating motor to rotate in a reciprocating mode, and the rotating angle of the rotating motor is 185 degrees;
(4) when no sandstone falls off from the lower end of the rotating plate, the material receiving box is slid, so that an empty material receiving chamber is positioned right below the lower end of the material receiving port;
(5) the control system enables the linear motor to continue to move downwards, and the gap between the lower parts of the rotating plates on the two sides is equal to the particle size of the sand and stone screening standard which is larger than the previous screening standard;
(6) and (5) repeating the steps (3), (4) and (5) until no residual sandstone exists in the semi-cylindrical barrel.
The invention has the following technical effects:
(1) this grit screening plant need not to set up the different sieve in multilayer aperture as traditional screening plant, and this device only needs the clearance width between the control rotor plate, just can realize sieving the grit of different particle diameters in the grit, and the rotation through semi-cylindrical barrel makes the inside grit upset move the screening simultaneously, has avoided the problem that causes the jam in the screening process to a certain extent. (2) The device has simple structure, is not limited by the structure in volume, and can be designed to be relatively small so as to meet the requirements of laboratories. (3) Stay cord, the setting of pulley and balancing weight, the rotation through the rotating electrical machines makes the stay cord atress, when semi-cylindrical barrel rotated the extreme angle, the stay cord will reverse pulling rotor plate, make the clearance between the rotor plate enlarge, thereby make the grit of chucking in the clearance drop to semi-cylindrical barrel in, when reverse rotation, under reset spring's effect, the clearance of both sides rotor plate resets, such design makes the clearance between the rotor plate can not blockked up by great grit, further promote screening effect and the efficiency to the grit.
Drawings
Fig. 1 is a schematic perspective view of a sand and stone screening device according to this embodiment.
Fig. 2 is a rear view schematically showing the sand sieving device according to the embodiment.
Fig. 3 is a left side view schematically illustrating the sand sieving apparatus according to the present embodiment.
Fig. 4 is a schematic cross-sectional view of a top view of a sand screening device in this embodiment.
FIG. 5 is a schematic cross-sectional view of a left side view of a sand screening device in accordance with this embodiment.
Reference numerals
The device comprises a mounting frame 1, a rotating motor 2, a first rotating shaft 3, a semi-cylindrical barrel 4, a fixing frame 5, a linear motor 6, a push plate 7, a rotating plate 8, a return spring 9, elastic cloth 10, a material receiving port 11, a material receiving box 12, a pull rope 13, a balancing weight 14, a second rotating shaft 15 and a fixed pulley 16.
Detailed Description
The following is further detailed by way of specific embodiments:
as shown in fig. 1 to 5, a sand and stone screening device for buildings comprises a mounting frame 1, wherein the mounting frame 1 is composed of two groups of portal frames which are symmetrically arranged and a cross beam which connects the two groups of portal frames, the middle parts of the upper ends of the two groups of portal frames are provided with a first rotating shaft 3 hole, the first rotating shaft 3 hole is internally provided with a first rotating shaft 3 which is rotatably connected with the first rotating shaft 3, the outer side of one end of the first rotating shaft 3 is provided with a rotating motor 2, the two sides of the rotating shaft which are positioned at the inner part of the mounting frame 1 are provided with fixing frames 5, the outer side of the rotating shaft is provided with a semi-cylindrical barrel 4 which is fixedly connected with the fixing frames 5, the rotating shaft is positioned at the middle part of the end surface of the semi-cylindrical barrel 4, two sides of the lower part of the semi-cylindrical barrel 4 are provided with rotating plates 8, the connecting parts of the rotating plates 8 and the semi-cylindrical barrel 4 are provided with second rotating shafts 15, the two sides of the rotating plates 8 are provided with elastic cloth 10, the elastic cloth 10, the rotating plate 8 and the semi-cylindrical barrel 4 can form a closed space, a feed port convenient for adding gravel is arranged on the arc-shaped surface of the semi-cylindrical barrel 4, and a feed end cover is arranged on the outer side of the feed port.
The middle part of pivot is equipped with linear electric motor 6, and linear electric motor 6's output sets up down, is equipped with push pedal 7 on linear electric motor 6's the output, and the tip of push pedal 7 and the 8 surface contact of rotor plate of both sides, the 8 internal surface tip of rotor plate that both sides set up are provided with reset spring 9 that carries out the connection with the two.
The sand and stone sample is put in through a feeding hole in the arc-shaped surface of the semi-cylindrical barrel 4, then the linear motor 6 is controlled by the control system to extend downwards, the lower part of the rotating plate 8 rotates to form a gap under the action of the push plate 7, the size of the gap is adjusted from small to large according to sand and stone particle size screening standards, then the rotating motor 2 rotates upwards for a certain angle to drive the semi-cylindrical barrel 4 to rotate upwards for a certain angle, so that the internal sand and stone also rotate and move, after the rotating motor 2 rotates for a certain angle, the rotating motor 2 rotates reversely to reset, the internal sand and stone also move downwards, at the moment, part of the sand and stone can pass through the gap of the rotating plate 8 and fall out, and the operation is circulated, so that the sand and stone can be screened according to the order of particle size from small to large.
Preferably, the rotating motor 2 is a servo motor because the servo motor can precisely control the rotation angle, that is, the use of the device can improve the rotating effect of the semi-cylindrical barrel 4.
Preferably, the both ends of push pedal 7 all are equipped with the horizontal pole, the middle part of horizontal pole and the tip fixed connection of push pedal 7, the length of horizontal pole equals with rotor plate 8's length, when linear electric motor 6 downstream, the setting of horizontal pole can be bigger with rotor plate 8's internal surface area of contact, it is better to make rotor plate 8 atress effect, can promote rotor plate 8's rotation effect, the horizontal pole can promote the spacing effect to rotor plate 8 simultaneously, when guaranteeing semi-cylindrical barrel 4 rotatory, can not cause rotor plate 8's vibration displacement, guarantee the stability of 8 lower part clearance widths of both sides rotor plate.
Preferably, the middle parts of the rotating plate 8 and the cross beam on one side are respectively provided with a pulling rope 13 and a fixed pulley 16, one end of the pulling rope 13 is fixedly connected with the outer surface of the rotating plate 8, the other end of the pulling rope 13 passes through the fixed pulley 16, and a balancing weight 14 is arranged on the pulling rope 13, when the central line of the arc-shaped surface of the semi-cylindrical barrel 4 rotates to the lowest end, the pulling rope 13 is tightened and stressed, because the sand and stone larger than the gap between the rotating plates 8 is easy to block the gap, when the rotating motor 2 rotates 180 degrees, in the embodiment, the rotating motor rotates clockwise, the gap between the rotating plates 8 is positioned at the top, the pulling rope 13 starts to bear the force, when the rotating motor rotates a certain angle, in the embodiment, the rotating motor rotates 5 degrees again, the pulling rope 13 reversely pulls the rotating plates 8, the gap between the rotating plates 8 is expanded, and the sand and stone in the gap is tightly clamped to fall into the semi-cylindrical barrel 4, when the rotation is reversed, the clearance of the two side rotating plates 8 is restored by the restoring spring 9.
Preferably, still including setting up the receiving mechanism in 8 below on the rotor plate, receiving mechanism includes funnel-shaped material receiving port 11, the below that connects the hopper is equipped with material receiving box 12, material receiving box 12 and the lower extreme sliding connection who connects material port 11, be equipped with a plurality of baffles in material receiving box 12, the baffle is equallyd divide into a plurality of material receiving chambers with material receiving box 12's inner space, funnel-shaped material receiving port 11 can collect the grit that sieves out, then drop to in material receiving box 12, be a plurality of material receiving chambers in the material receiving box 12, can collect the grit of different particle diameters.
Preferably, the lower extreme projection that connects material mouth 11 is located and connects the material chamber in material receiving box 12, connects material mouth 11 lower extreme to be equipped with annular sealed cloth, and sealed cloth can be with being located and connect the material chamber of connecing under material mouth 11 lower extreme and go up the cladding, avoids the grit to drop outside material receiving box 12, guarantees the collection effect to the grit, has also promoted the precision of experimental result simultaneously.
Preferably, the first rotating shaft 3 is a hollow shaft, a plurality of exhaust holes are uniformly formed in the surface of the part, located in the semi-cylindrical barrel 4, of the first rotating shaft, an air inlet is formed in the part, located on the outer side of the semi-cylindrical barrel 4, of the first rotating shaft, an air inlet pipe is connected to the air inlet, after screening is completed, air is injected into the semi-cylindrical barrel 4 through the air inlet pipe, sand powder adhered to the interior of the semi-cylindrical barrel 4 can be swept, and the precision of a next experiment is guaranteed.
Preferably, the lower extreme of mounting bracket 1 is equipped with vibration platform, and mounting bracket 1 is located vibration platform, and vibration platform has vibrating motor and platform to constitute, and vibration platform's vibration helps the adhesion to decompose at the grit of a group, can also promote the grit simultaneously and follow the rate that 8 clearances of rotor plate dropped.
A use method of a building sandstone screening device comprises the following steps:
(1) putting a sandstone sample through a feed inlet on the arc surface of the semi-cylindrical barrel 4;
(2) the control system controls the output shaft of the linear motor 6 to move downwards, so that the push plate 7 is contacted with the rotating plates 8, and the gap width of the lower ends of the rotating plates 8 at two sides is consistent with the minimum particle size of the sand screening standard;
(3) the control system controls the rotating motor 2 to rotate in a reciprocating mode, and the rotating angle of the rotating motor 2 is 185 degrees;
(4) when no sand falls from the lower end of the rotating plate 8, the material receiving box 12 is slid, so that an empty material receiving chamber is positioned right below the lower end of the material receiving port 11;
(5) the control system enables the linear motor 6 to continue to move downwards, and the gap between the lower parts of the rotating plates 8 at two sides is equal to the particle size of the sand and stone screening standard which is larger than the previous screening standard;
(6) and (5) repeating the steps (3), (4) and (5) until no residual sandstone exists in the semi-cylindrical barrel 4.
It should be noted that, unless otherwise explicitly stated or limited, the terms "mounted," "connected," "fixed," and the like are used broadly in the present invention, and may be, for example, fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
The above are merely examples of the present invention, and common general knowledge of known specific structures and characteristics in the schemes is not described herein. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several changes and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.
Claims (9)
1. The utility model provides a gravel and sand screening plant for building, its characterized in that includes the mounting bracket, the mounting bracket comprises the portal frame that two sets of symmetries set up and the crossbeam that connects two sets of portal frames, and two sets of the upper end middle part of portal frame is equipped with first pivot hole, be equipped with the first pivot of being connected with it rotation in the first pivot hole, the outside of first pivot one end is equipped with the rotating electrical machines, the both sides that the pivot is located the mounting bracket inside part are equipped with the mount, the outside of pivot is equipped with the semi-cylindrical barrel with mount fixed connection, the pivot is located the middle part of semi-cylindrical barrel terminal surface, the lower part both sides of semi-cylindrical barrel are equipped with the rotor plate, the connecting portion of rotor plate and semi-cylindrical barrel is equipped with the second pivot, the rotor plate rotates with the barrel through the second pivot to be connected, the both sides of rotor plate are equipped with elastic cloth, the elastic cloth, the rotating plate and the semi-cylindrical barrel can form a closed space, a feed port convenient for adding gravel is arranged on the arc-shaped surface of the semi-cylindrical barrel, and a feed end cover is arranged on the outer side of the feed port;
the middle part of pivot is equipped with linear electric motor, linear electric motor's output sets up down, be equipped with the push pedal on linear electric motor's the output, the tip of push pedal and the rotor plate surface contact of both sides, the rotor plate internal surface tip that both sides set up is provided with the reset spring who connects the two.
2. The building sandstone screening device of claim 1, wherein the rotating motor is a servo motor.
3. The building sandstone screening device of claim 1, wherein a cross bar is arranged at each of two ends of the push plate, the middle of the cross bar is fixedly connected with the end of the push plate, and the length of the cross bar is equal to that of the rotating plate.
4. The building sandstone screening device of claim 1, wherein a pulling rope and a fixed pulley are respectively arranged in the middle of the rotating plate and the cross beam on one side, one end of the pulling rope is fixedly connected with the outer surface of the rotating plate, the other end of the pulling rope passes through the fixed pulley, a balancing weight is arranged on the pulling rope, and when the center line of the arc surface of the semi-cylindrical barrel rotates to the lowest end, the pulling rope is tensioned and stressed.
5. The building sandstone screening device according to claim 1, further comprising a material receiving mechanism arranged below the rotating plate, wherein the material receiving mechanism comprises a funnel-shaped material receiving port, a material receiving box is arranged below the material receiving box, the material receiving box is slidably connected with the lower end of the material receiving port, a plurality of partition plates are arranged in the material receiving box, and the partition plates divide the inner space of the material receiving box into a plurality of material receiving chambers.
6. The building sandstone screening device of claim 5, wherein the projection of the lower end of the material receiving port is located in the material receiving chamber of the material receiving box, the lower end of the material receiving port is provided with annular sealing cloth, and the sealing cloth can coat the material receiving chamber located right below the lower end of the material receiving port.
7. The building sandstone screening device of claim 1, wherein the first rotating shaft is a hollow shaft, a plurality of exhaust holes are uniformly formed on a part of the surface of the semi-cylindrical body, and an air inlet is formed on a part of the surface of the semi-cylindrical body, which is located outside the semi-cylindrical body, and an air inlet pipe is connected to the air inlet.
8. The building sandstone screening device of claim 1, wherein a vibration platform is arranged at the lower end of the mounting frame, and the mounting frame is positioned on the vibration platform.
9. The method for using the building sandstone screening device of claims 1-9, which is characterized by comprising the following steps:
(1) putting a sandstone sample through a feed inlet on the arc surface of the semi-cylindrical barrel;
(2) the control system controls the output shaft of the linear motor to move downwards, so that the push plate is contacted with the rotating plates, and the width of the gap at the lower ends of the rotating plates at two sides is consistent with the minimum particle size of the sand screening standard;
(3) the control system controls the rotating motor to rotate in a reciprocating mode, and the rotating angle of the rotating motor is 185 degrees;
(4) when no sandstone falls off from the lower end of the rotating plate, the material receiving box is slid, so that an empty material receiving chamber is positioned right below the lower end of the material receiving port;
(5) the control system enables the linear motor to continue to move downwards, and the gap between the lower parts of the rotating plates on the two sides is equal to the particle size of the sand and stone screening standard which is larger than the previous screening standard;
(6) and (5) repeating the steps (3), (4) and (5) until no residual sandstone exists in the semi-cylindrical barrel.
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| CN202110635676.8A CN113333295B (en) | 2021-06-08 | 2021-06-08 | Building sandstone screening device and using method thereof |
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| CN202110635676.8A CN113333295B (en) | 2021-06-08 | 2021-06-08 | Building sandstone screening device and using method thereof |
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| CN213349731U (en) * | 2020-09-03 | 2021-06-04 | 磊蒙智能装备(湖北)有限公司 | Adjustable feeding device of mobile screening station |
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