CN113058839B - A screening plant for gravel and sand - Google Patents
A screening plant for gravel and sand Download PDFInfo
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- CN113058839B CN113058839B CN202110228729.4A CN202110228729A CN113058839B CN 113058839 B CN113058839 B CN 113058839B CN 202110228729 A CN202110228729 A CN 202110228729A CN 113058839 B CN113058839 B CN 113058839B
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- screening
- fixed box
- connecting plate
- rotating rod
- screening net
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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
- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
- B02C18/06—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
- B02C18/08—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives within vertical containers
- B02C18/12—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives within vertical containers with drive arranged below container
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/08—Separating or sorting of material, associated with crushing or disintegrating
- B02C23/10—Separating or sorting of material, associated with crushing or disintegrating with separator arranged in discharge path of crushing or disintegrating zone
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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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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
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- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Combined Means For Separation Of Solids (AREA)
Abstract
The invention relates to a screening device for sand and stone, which comprises a base, a fixed box, a screening mechanism and a supporting mechanism, wherein the supporting mechanism comprises a first spring, a sliding block and a supporting rod, the screening mechanism comprises a driving component and a screening component, the screening device for sand and stone realizes the screening of a main body through the supporting mechanism and the screening mechanism, compared with the existing screening mechanism, the screening mechanism realizes the crushing of the main body through a blade, so that the main body better falls at the bottom end inside the fixed box through a screening net, the blowing of the screening net is realized through a fan, the drying of the main body is realized, the wet main body is prevented from being adhered on the screening net to cause the blockage of the screening net, the vibration of the screening net is realized through the screening component, the screening efficiency is improved, the blockage of the screening net can also be prevented, and the flexible connection of a first connecting plate and a second connecting plate realizes the moving buffer function in the feeding process, the motor is protected, and the service life is prolonged.
Description
Technical Field
The invention particularly relates to a screening device for sand and stone.
Background
Along with the development of science and technology, architectural equipment has had very big degree of development, and its development has brought very big facility for people when building worker's building, and grit screening plant for construction is the device that is very common among the architectural equipment, and it can be sieved the grit to satisfy different user demands, its kind and quantity are also increasing day by day.
Although grit screening plant for construction on the existing market is of a very large variety and quantity, but the grit screening plant for construction of the majority leads to the jam of screening net easily at the in-process of screening, influences screening efficiency, has a lot of dusts during the screening simultaneously, causes harm on the health to constructor, also causes environmental pollution.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: in order to overcome the defects of the prior art, a screening device for sand and stone is provided.
The technical scheme adopted by the invention for solving the technical problems is as follows: a screening device for sand and stone comprises a base, a fixed box, a screening mechanism and a supporting mechanism, wherein the base is horizontally arranged, the fixed box is vertically arranged above the base, the screening mechanism is arranged in the fixed box, and the supporting mechanism is arranged on the base;
the support mechanism comprises two support mechanisms, the two support mechanisms are respectively arranged on two sides of the fixed box, the two support mechanisms are symmetrically arranged about the fixed box, each support mechanism comprises a first spring, a sliding block and a support rod, a strip-shaped limit groove is formed in the base, the sliding block is arranged in the limit groove, the sliding block is in sliding connection with the limit groove, the support rods are arranged between the fixed box and the sliding block, one end of each support rod is hinged to the middle of one side of the fixed box, the other end of each support rod is hinged to the sliding block, a torsion spring is arranged at the hinged position of the support rod and the sliding block, the number of the first springs is two, the two first springs are respectively arranged on two sides of the sliding block, one end of each first spring is connected with the sliding block, the other end of each first spring is connected with the inner wall of one side of the limit groove, and the support rods are obliquely arranged;
the screening mechanism comprises a driving assembly and a screening assembly, the driving assembly comprises a motor, a first connecting plate, a second connecting plate, a rotating rod, connecting ropes, a bearing seat, a blade and a fan, the motor is vertically arranged on a base, the motor is positioned below a fixed box, the first connecting plate is horizontally arranged on a rotating shaft of the motor, the first connecting plate and the rotating shaft of the motor are coaxially arranged, the second connecting plate is arranged above the first connecting plate, the second connecting plate and the first connecting plate are coaxially arranged, the connecting ropes are arranged between the first connecting plate and the second connecting plate, a plurality of connecting ropes are uniformly arranged along the circumferential direction of an outer ring of the first connecting plate, one end of each connecting rope is connected with the first connecting plate, the other end of each connecting rope is connected with the second connecting plate, the rotating rod is vertically arranged in the fixed box, the rotating rod is coaxially arranged with the second connecting plate, the rotating rod is connected with the fixed box through the bearing seat, the blades and the fan are arranged in the fixed box, the blades are positioned above the fan, the number of the blades is two, the two blades are respectively and horizontally arranged at two sides of the rotating rod, the two blades are symmetrically arranged about the rotating rod, the fan is arranged on the rotating rod, and the fan is opposite to the blades;
the screening assembly is arranged in the fixed box and comprises a screening net, two return units and an auxiliary unit, the screening net is horizontally arranged in the fixed box and is located between the blade and the fan, the screening net is connected with the fixed box in a sliding mode, the rotating rod is connected with the screening net in a sliding mode, the two return units are arranged on the inner walls of the two sides of the fixed box respectively and comprise a moving block and a second spring, a vertical moving groove is formed in the inner wall of the fixed box, the moving block is arranged in the moving groove, the screening net is connected with the moving groove in a sliding mode through the moving block, the second spring is arranged below the moving block, one end of the second spring is connected with the moving block, and the other end of the second spring is connected with the inner wall of one side of the bottom end of the moving groove.
In order to realize the removal to the stay cord, the auxiliary unit includes drum, ripples pearl screw and removal subassembly, the drum cover is established on the bull stick, drum and bull stick sliding connection, the drum is located the below of fan, be equipped with the recess on the bull stick, the setting of ripples pearl screw is at the inner circle of drum, ripples pearl screw is located the recess.
In order to realize the removal to the screening net, it has two to remove the subassembly, and two remove the subassembly and set up respectively in the both sides of bull stick, and two remove the subassembly and set up about the bull stick symmetry, and two remove the below that the subassembly all is located the screening net, it includes fixed pulley and stay cord to remove the subassembly, the fixed pulley sets up on the inner wall of fixed bottom of the case portion one side, the stay cord sets up between screening net and drum, the one end and the screening net of stay cord are connected, the fixed pulley is walked around to the other end of stay cord and is connected with the drum.
In order to prevent winding, two stay cords in the two moving assemblies are respectively connected with two ends of a wire coil, an annular baffle plate is arranged on the wire coil, and the two stay cords in the two moving assemblies are respectively positioned on two sides of the baffle plate.
In order to realize the limitation of the wire coil, an annular positioning groove is formed in the outer ring of the rotating rod and communicated with the groove, and the wave ball screw is located in the positioning groove.
In order to realize the sealing of the fixed box, the top of the fixed box is provided with a feeding assembly, the feeding assembly comprises an inlet pipe and a sealing plate, the inlet pipe is vertically arranged on the fixed box, the inlet pipe is communicated with the fixed box, the sealing plate is horizontally arranged in the inlet pipe, one end of the sealing plate is hinged to the inner wall of the inlet pipe, a torsional spring is arranged at the hinged position of the sealing plate and the inlet pipe, and the sealing plate is connected with the inlet pipe in a sliding and sealing mode.
The screening device for the sand and the stone has the advantages that the screening of the main body is realized through the supporting mechanism and the screening mechanism, compared with the existing screening mechanism, the screening mechanism realizes the crushing of the main body through the blades, so that the main body better falls at the bottom end inside the fixed box through the screening net, the blowing of the screening net is realized through the fan, the drying of the main body is realized, the wet main body is prevented from being adhered to the screening net to cause the blocking of the screening net, the vibration of the screening net is realized through the screening assembly, the screening efficiency is improved, meanwhile, the blocking of the screening net can also be prevented, the movable buffering function is realized in the feeding process through the flexible connection of the first connecting plate and the second connecting plate, the protection of a motor is realized, and the service life is prolonged.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic structural view of a screening device for sand and stone of the present invention;
FIG. 2 is an enlarged view of portion A of FIG. 1;
FIG. 3 is a schematic view of the connection structure of a first connecting plate, a second connecting plate, a connecting rope, a bearing seat and a rotating rod of the screening device for sand and stone, which is disclosed by the invention;
FIG. 4 is an enlarged view of portion B of FIG. 1;
FIG. 5 is a schematic structural view of a screen feed assembly for sand and stone of the present invention;
in the figure: 2. the automatic feeding device comprises a fixed box, 3. a first spring, 4. a sliding block, 5. a supporting rod, 6. a motor, 7. a first connecting plate, 8. a second connecting plate, 9. a rotating rod, 10. a connecting rope, 11. a bearing seat, 12. a blade, 13. a fan, 14. a screening net, 15. a moving block, 16. a second spring, 17. a wire coil, 19. a fixed pulley, 20. a pull rope, 21. a baffle, 22. a feeding pipe and 23. a sealing plate.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.
As shown in fig. 1, a screening device for sand and stone comprises a base, a fixed box 2, a screening mechanism and a supporting mechanism, wherein the base is horizontally arranged, the fixed box 2 is vertically arranged above the base, the screening mechanism is arranged in the fixed box 2, and the supporting mechanism is arranged on the base;
the support mechanism comprises two support mechanisms which are respectively arranged at two sides of the fixed box 2, the two support mechanisms are symmetrically arranged about the fixed box 2 and comprise first springs 3, a sliding block 4 and a support rod 5, the base is provided with a strip-shaped limit groove, the sliding block 4 is arranged in the limit groove, the sliding block 4 is in sliding connection with the limit groove, the support rod 5 is arranged between the fixed box 2 and the sliding block 4, one end of the support rod 5 is hinged with the middle part of one side of the fixed box 2, the other end of the support rod 5 is hinged with the sliding block 4, a torsional spring is arranged at the hinged part of the support rod 5 and the sliding block 4, the first springs 3 are two, the two first springs 3 are respectively arranged at two sides of the sliding block 4, one end of each first spring 3 is connected with the sliding block 4, and the other end of each first spring 3 is connected with the inner wall of one side of the limit groove, the support rod 5 is obliquely arranged.
Realize spacing to fixed case 2 here through bracing piece 5, when needs are unloaded to fixed incasement 2 internal main part, only need promote one side of fixed case 2, fixed case 2 atress removes towards the opposite side, fixed case 2 removes drive bracing piece 5 and removes, bracing piece 5 drive slider 4 removes, be in compression state during first spring 3 here always, realize spacing to slider 4 through the restoring force of first spring 3, make slider 4 be located preset position, thereby realize the stability to fixed case 2, at this moment fixed case 2 will be in the state of slope, thereby can realize unloading to the main part.
As shown in fig. 2-4, the screening mechanism includes a driving assembly and a screening assembly, the driving assembly includes a motor 6, a first connecting plate 7, a second connecting plate 8, a rotating rod 9, connecting ropes 10, a bearing seat 11, a blade 12 and a fan 13, the motor 6 is vertically disposed on the base, the motor 6 is located below the fixed box 2, the first connecting plate 7 is horizontally disposed on a rotating shaft of the motor 6, the first connecting plate 7 is coaxially disposed with the rotating shaft of the motor 6, the second connecting plate 8 is disposed above the first connecting plate 7, the second connecting plate 8 is coaxially disposed with the first connecting plate 7, the connecting ropes 10 are disposed between the first connecting plate 7 and the second connecting plate 8, the connecting ropes 10 are plural, each connecting rope 10 is uniformly disposed along the circumferential direction of the outer ring of the first connecting plate 7, one end of each connecting rope 10 is connected with the first connecting plate 7, the other end of the connecting rope 10 is connected with a second connecting plate 8, the rotating rod 9 is vertically arranged in the fixed box 2, the bearing seat 11 is arranged at the bottom end of the fixed box 2, the bottom end of the rotating rod 9 is connected with the second connecting plate 8 through the fixed box 2, the rotating rod 9 and the second connecting plate 8 are coaxially arranged, the rotating rod 9 is connected with the fixed box 2 through the bearing seat 11, the blades 12 and the fan 13 are both arranged in the fixed box 2, the blades 12 are positioned above the fan 13, the number of the blades 12 is two, the two blades 12 are respectively horizontally arranged at two sides of the rotating rod 9, the two blades 12 are symmetrically arranged about the rotating rod 9, the fan 13 is arranged on the rotating rod 9, and the fan 13 is over against the blades 12;
the screen assembly is arranged in the fixed box 2, the screen assembly comprises a screening net 14, a return unit and an auxiliary unit, the screening wire 14 is horizontally arranged in the fixed box 2, the screening wire 14 is positioned between the blade 12 and the fan 13, the screening net 14 is connected with the fixed box 2 in a sliding way, the rotating rod 9 is connected with the screening net 14 in a sliding way, the two restoring units are respectively arranged on the inner walls of the two sides of the fixed box 2, the return unit comprises a moving block 15 and a second spring 16, a vertical moving groove is arranged on the inner wall of the fixed box 2, the moving block 15 is arranged in the moving groove, the screening net 14 is connected with the moving groove in a sliding way through the moving block 15, the second spring 16 is arranged below the moving block 15, one end of the second spring 16 is connected with the moving block 15, and the other end of the second spring 16 is connected with the inner wall of one side of the bottom end of the moving block.
In order to realize the removal to stay cord 20, the auxiliary unit includes drum 17, ripples pearl screw and removal subassembly, drum 17 cover is established on bull stick 9, drum 17 and bull stick 9 sliding connection, drum 17 is located the below of fan 13, be equipped with the recess on the bull stick 9, the setting of ripples pearl screw is on the inner circle of drum 17, ripples pearl screw is located the recess.
In order to realize the movement of the screening net 14, the number of the moving assemblies is two, the two moving assemblies are respectively arranged on two sides of the rotating rod 9, the two moving assemblies are symmetrically arranged relative to the rotating rod 9, the two moving assemblies are both positioned below the screening net 14, each moving assembly comprises a fixed pulley 19 and a pull rope 20, the fixed pulley 19 is arranged on the inner wall of one side of the bottom end of the fixed box 2, the pull rope 20 is arranged between the screening net 14 and the wire coil 17, one end of the pull rope 20 is connected with the screening net 14, and the other end of the pull rope 20 bypasses the fixed pulley 19 and is connected with the wire coil 17.
When the main body needs to be screened, firstly, the motor 6 is operated, the motor 6 drives the first connecting plate 7 to rotate, the first connecting plate 7 drives the connecting rope 10 to rotate, the connecting rope 10 twists through rotation, when the torsion of the connecting rope 10 can realize the rotation of the rotating rod 9, the second connecting plate 8 is driven to rotate, the second connecting plate 8 drives the rotating rod 9 to rotate, the rotating rod 9 drives the fan 13 to rotate, and simultaneously the rotating rod 9 drives the blade 12 to rotate, when the first connecting plate 7 drives the connecting rope 10 at first, the connecting rope 10 twists and simultaneously drives the second connecting plate 8 to move towards the direction of the base, when the rotating rod 9 normally rotates, the fixing box 2 is in an initial position, the rotating rod 9 is driven through the connecting rope 10, when the feeding is not stopped, the main body falls in the fixing box 2 and passes through the dead weight of the main body, make fixed case 2 atress, through the transmission of power, make 8 atress of second connecting plate, and because it is soft to connect rope 10, so the effect of certain buffering can be played to the connection rope 10 here, thereby the realization is to motor 6's protection, the life of extension motor 6, here realize the rotation to bull stick 9 through connecting rope 10 simultaneously, make the pivot of bull stick 9 and motor 6 and must guarantee the axiality certainly, also can realize the rotation to bull stick 9, and can not influence its life, the practicality of use has been improved.
Meanwhile, the rotary rod 9 rotates to drive the bead screws to rotate, the bead screws drive the wire coil 17 to rotate, the wire coil 17 is limited by the bead screws, the wire coil 17 rotates to drive the pull rope 20 to wind on the wire coil 17, the pull rope 20 moves to drive the sieving net 14 to move towards the base, the sieving net 14 moves to drive the moving block 15 to move in the moving groove, the second spring 16 is in a compressed state, when the restoring force of the second spring 16 is greater than the limiting force of the bead screws, the bead screws are separated from the groove on the rotary rod 9, the wire coil 17 rotates, the pull rope 20 wound on the wire coil 17 is loosened, the sieving net 14 returns, the moving block 15 in the moving groove collides with the inner wall at the top end of the moving groove, the main body on the sieving net 14 is restrained again, and the main body is cut again by the blade 12, the rotation of fan 13 realizes blowing to the main part here, prevents that moist main part from adhering on screening net 14, prevents the jam of screening net 14, improves screening efficiency, and two stay cords 20 in two moving assembly here are relative when the hookup location of drum 17, so when drum 17 rotates or not hard up, two stay cords 20 can separate with drum 17 or twine on drum 17 simultaneously.
In order to prevent winding, two pull ropes 20 in the two moving assemblies are respectively connected with two ends of a wire coil 17, an annular baffle plate 21 is arranged on the wire coil 17, and the two pull ropes 20 in the two moving assemblies are respectively positioned on two sides of the baffle plate 21.
The stop plate 21 is used to limit the pull ropes 20 and prevent the two pull ropes 20 from being twisted.
In order to limit the wire coil 17, an annular positioning groove is formed in the outer ring of the rotating rod 9 and communicated with the groove, and the wave ball screw is located in the positioning groove.
The constant head tank here is used for realizing the fixed to drum 17 for the ripples ball screw when with recess separation, makes the ripples ball screw slide in the constant head tank, thereby realizes spacing to drum 17, prevents drum 17's removal.
As shown in fig. 5, in order to realize the sealing of the fixed box 2, a feeding assembly is arranged at the top end of the fixed box 2, the feeding assembly comprises a feeding pipe 22 and a sealing plate 23, the feeding pipe 22 is vertically arranged on the fixed box 2, the feeding pipe 22 is communicated with the fixed box 2, the sealing plate 23 is horizontally arranged in the feeding pipe 22, one end of the sealing plate 23 is hinged to the inner wall of the feeding pipe 22, a torsion spring is arranged at the hinged position of the sealing plate 23 and the feeding pipe 22, and the sealing plate 23 is connected with the feeding pipe 22 in a sliding and sealing manner.
Here realize the sealed to inlet pipe 22 through closing plate 23, realize the removal to closing plate 23 through the gravity of main part, then make the main part drop on the screening net 14 in fixed case 2, realize the reply to closing plate 23 through the restoring force of torsional spring to make when sieving the main part, fixed case 2 is in sealed state all the time, prevents pressing down of main part and raises, realizes the protection to the surrounding environment.
Realize spacing to fixed case 2 here through bracing piece 5, when needs are unloaded to fixed incasement 2 internal main part, only need promote one side of fixed case 2, fixed case 2 atress removes towards the opposite side, fixed case 2 removes drive bracing piece 5 and removes, bracing piece 5 drive slider 4 removes, be in compression state during first spring 3 here always, realize spacing to slider 4 through the restoring force of first spring 3, make slider 4 be located preset position, thereby realize the stability to fixed case 2, at this moment fixed case 2 will be in the state of slope, thereby can realize unloading to the main part.
When the main body needs to be screened, firstly, the motor 6 is operated, the motor 6 drives the first connecting plate 7 to rotate, the first connecting plate 7 drives the connecting rope 10 to rotate, the connecting rope 10 twists through rotation, when the torsion of the connecting rope 10 can realize the rotation of the rotating rod 9, the second connecting plate 8 is driven to rotate, the second connecting plate 8 drives the rotating rod 9 to rotate, the rotating rod 9 drives the fan 13 to rotate, and simultaneously the rotating rod 9 drives the blade 12 to rotate, when the first connecting plate 7 drives the connecting rope 10 at first, the connecting rope 10 twists and simultaneously drives the second connecting plate 8 to move towards the direction of the base, when the rotating rod 9 normally rotates, the fixing box 2 is in an initial position, the rotating rod 9 is driven through the connecting rope 10, when the feeding is not stopped, the main body falls in the fixing box 2 and passes through the dead weight of the main body, make fixed case 2 atress, through the transmission of power, make 8 atress of second connecting plate, and because it is soft to connect rope 10, so the effect of certain buffering can be played to the connection rope 10 here, thereby the realization is to motor 6's protection, the life of extension motor 6, here realize the rotation to bull stick 9 through connecting rope 10 simultaneously, make the pivot of bull stick 9 and motor 6 and must guarantee the axiality certainly, also can realize the rotation to bull stick 9, and can not influence its life, the practicality of use has been improved.
Meanwhile, the rotary rod 9 rotates to drive the bead screws to rotate, the bead screws drive the wire coil 17 to rotate, the wire coil 17 is limited by the bead screws, the wire coil 17 rotates to drive the pull rope 20 to wind on the wire coil 17, the pull rope 20 moves to drive the sieving net 14 to move towards the base, the sieving net 14 moves to drive the moving block 15 to move in the moving groove, the second spring 16 is in a compressed state, when the restoring force of the second spring 16 is greater than the limiting force of the bead screws, the bead screws are separated from the groove on the rotary rod 9, the wire coil 17 rotates, the pull rope 20 wound on the wire coil 17 is loosened, the sieving net 14 returns, the moving block 15 in the moving groove collides with the inner wall at the top end of the moving groove, the main body on the sieving net 14 is restrained again, and the main body is cut again by the blade 12, here, the blowing to the main body is realized through the rotation of the fan 13, prevent the moist main body from adhering on the screening net 14, prevent the jam of the screening net 14, improve the screening efficiency, two stay cords 20 in two moving assemblies herein are relative with the hookup location of drum 17, so when drum 17 rotates or is not hard up, two stay cords 20 can separate with drum 17 or twine on drum 17 simultaneously, here realize the sealed to inlet pipe 22 through closing plate 23, realize the removal to closing plate 23 through the gravity of main body, then make the main body drop on the screening net 14 in fixed box 2, realize the reply to closing plate 23 through the restoring force of torsional spring, thereby make when sieving to the main body, fixed box 2 is in the sealed state all the time, prevent the main body from blowing up, realize the protection to the surrounding environment.
Compared with the prior art, this a screening plant for gravel and sand passes through supporting mechanism and screening mechanism and realizes the screening to the main part, compare with current screening mechanism, this screening mechanism passes through blade 12 and realizes the smashing of main part, make the better bottom that drops at fixed case 2 inside through screening net 14 of main part, realize blowing to screening net 14 through fan 13, the realization is weathers to the main part, prevent that moist main part adhesion is on screening net 14, cause the jam of screening net 14, realize the vibrations to screening net 14 through the screening subassembly, improve screening efficiency, simultaneously can also prevent the jam of screening net 14, through the flexonics of first connecting plate 7 and second connecting plate 8, make the in-process at the feeding play the buffer function who removes, the realization is to the protection of motor 6, and service life is prolonged.
In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (4)
1. The screening device for the sand and the stone is characterized by comprising a base, a fixed box (2), a screening mechanism and a supporting mechanism, wherein the base is horizontally arranged, the fixed box (2) is vertically arranged above the base, the screening mechanism is arranged in the fixed box (2), and the supporting mechanism is arranged on the base;
the support mechanisms are arranged on two sides of the fixed box (2) respectively, the two support mechanisms are symmetrically arranged about the fixed box (2), each support mechanism comprises a first spring (3), a sliding block (4) and a support rod (5), a strip-shaped limit groove is formed in the base, the sliding block (4) is arranged in the limit groove, the sliding block (4) is connected with the limit groove in a sliding mode, the support rod (5) is arranged between the fixed box (2) and the sliding block (4), one end of the support rod (5) is hinged to the middle of one side of the fixed box (2), the other end of the support rod (5) is hinged to the sliding block (4), a torsion spring is arranged at the hinged position of the support rod (5) and the sliding block (4), the first springs (3) are provided with two numbers, the two first springs (3) are arranged on two sides of the sliding block (4) respectively, one end of the first spring (3) is connected with the sliding block (4), the other end of the first spring (3) is connected with the inner wall of one side of the limiting groove, and the supporting rod (5) is obliquely arranged;
the screening mechanism comprises a driving assembly and a screening assembly, the driving assembly comprises a motor (6), a first connecting plate (7), a second connecting plate (8), a rotating rod (9), a connecting rope (10), a bearing seat (11), a blade (12) and a fan (13), the motor (6) is vertically arranged on a base, the motor (6) is positioned below a fixed box (2), the first connecting plate (7) is horizontally arranged on a rotating shaft of the motor (6), the first connecting plate (7) is coaxially arranged with the rotating shaft of the motor (6), the second connecting plate (8) is arranged above the first connecting plate (7), the second connecting plate (8) is coaxially arranged with the first connecting plate (7), the connecting rope (10) is arranged between the first connecting plate (7) and the second connecting plate (8), and the connecting rope (10) is provided with a plurality of parts, each connecting rope (10) is uniformly arranged along the circumferential direction of the outer ring of the first connecting plate (7), one end of each connecting rope (10) is connected with the first connecting plate (7), the other end of each connecting rope (10) is connected with the second connecting plate (8), the rotating rod (9) is vertically arranged in the fixed box (2), the bearing seat (11) is arranged at the bottom end of the fixed box (2), the bottom end of the rotating rod (9) is connected with the second connecting plate (8) through the fixed box (2), the rotating rod (9) is coaxially arranged with the second connecting plate (8), the rotating rod (9) is connected with the fixed box (2) through the bearing seat (11), the blades (12) and the fan (13) are both arranged in the fixed box (2), the blades (12) are positioned above the fan (13), the blades (12) are two, and the two blades (12) are respectively and horizontally arranged at two sides of the rotating rod (9), the two blades (12) are symmetrically arranged around the rotating rod (9), the fan (13) is arranged on the rotating rod (9), and the fan (13) is arranged opposite to the blades (12);
the screening assembly is arranged in the fixed box (2), the screening assembly comprises a screening net (14), two return units and an auxiliary unit, the screening net (14) is horizontally arranged in the fixed box (2), the screening net (14) is located between a blade (12) and a fan (13), the screening net (14) is in sliding connection with the fixed box (2), the rotating rod (9) is in sliding connection with the screening net (14), the two return units are arranged on the inner walls of the two sides of the fixed box (2), each return unit comprises a moving block (15) and a second spring (16), a vertical moving groove is formed in the inner wall of the fixed box (2), the moving block (15) is arranged in the moving groove, the screening net (14) is in sliding connection with the moving groove through the moving block (15), and the second spring (16) is arranged below the moving block (15), one end of the second spring (16) is connected with the moving block (15), and the other end of the second spring (16) is connected with the inner wall of one side of the bottom end of the moving block;
the auxiliary unit comprises a wire coil (17), a wave bead screw and a moving assembly, wherein the wire coil (17) is sleeved on the rotating rod (9), the wire coil (17) is connected with the rotating rod (9) in a sliding mode, the wire coil (17) is located below the fan (13), a groove is formed in the rotating rod (9), the wave bead screw is arranged on an inner ring of the wire coil (17), and the wave bead screw is located in the groove;
the utility model discloses a screening net, including fixed pulley (19), fixed pulley (2), movable subassembly, fixed pulley (20), fixed pulley (19) and drum (17), the movable subassembly has two, and two movable subassemblies set up the both sides at bull stick (9) respectively, and two movable subassemblies set up about bull stick (9) symmetry setting, and two movable subassemblies all are located the below of screening net (14), the movable subassembly includes fixed pulley (19) and stay cord (20), fixed pulley (19) set up on the inner wall of fixed case (2) bottom one side, stay cord (20) set up between screening net (14) and drum (17), the one end and the screening net (14) of stay cord (20) are connected, the other end of stay cord (20) is walked around fixed pulley (19) and is connected with drum (17).
2. A screening device for sand and stone according to claim 1, wherein the two pulling ropes (20) in the two moving assemblies are respectively connected with two ends of the wire coil (17), the wire coil (17) is provided with an annular baffle plate (21), and the two pulling ropes (20) in the two moving assemblies are respectively positioned at two sides of the baffle plate (21).
3. A screening device for sand and stone according to claim 1 wherein the outer ring of the turning bar (9) is provided with a circular positioning groove, said positioning groove communicating with the groove, said ball screw being located in the positioning groove.
4. A screening device for sand and stone according to claim 1, wherein the top end of the fixed box (2) is provided with a feeding assembly, the feeding assembly comprises a feeding pipe (22) and a sealing plate (23), the feeding pipe (22) is vertically arranged on the fixed box (2), the feeding pipe (22) is communicated with the fixed box (2), the sealing plate (23) is horizontally arranged in the feeding pipe (22), one end of the sealing plate (23) is hinged with the inner wall of the feeding pipe (22), a torsion spring is arranged at the hinged position of the sealing plate (23) and the feeding pipe (22), and the sealing plate (23) is connected with the feeding pipe (22) in a sliding and sealing manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110228729.4A CN113058839B (en) | 2021-03-02 | 2021-03-02 | A screening plant for gravel and sand |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110228729.4A CN113058839B (en) | 2021-03-02 | 2021-03-02 | A screening plant for gravel and sand |
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| CN113058839A CN113058839A (en) | 2021-07-02 |
| CN113058839B true CN113058839B (en) | 2022-04-26 |
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| CN113618812A (en) * | 2021-08-11 | 2021-11-09 | 广州昱雪中西医医院有限公司 | Accurate section device that herbal pieces-used |
| CN114739122A (en) * | 2022-04-25 | 2022-07-12 | 农业农村部南京农业机械化研究所 | Grain circulating dryer of vibrating fluidized bed based on microwave heating |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB8403958D0 (en) * | 1984-02-15 | 1984-03-21 | Powerscreen Int Ltd | Screening apparatus |
| CN204583680U (en) * | 2015-04-24 | 2015-08-26 | 刘海明 | A kind of stable type spin vibration sieve |
| CN105964331B (en) * | 2016-06-07 | 2018-08-21 | 合肥龙图腾信息技术有限公司 | A kind of agricultural soil block grinding device |
| CN106824759B (en) * | 2017-01-11 | 2019-05-10 | 广东绿富域资源再生科技有限公司 | A kind of efficient raw material screening equipment for brickmaking |
| CN206794123U (en) * | 2017-06-05 | 2017-12-26 | 陈川平 | It is a kind of that there is the medicinal powder screening machine for rocking function |
| KR102208447B1 (en) * | 2019-02-27 | 2021-01-27 | 배근혁 | Apparatus for cleaning cereals continuously |
| CN210632436U (en) * | 2019-08-14 | 2020-05-29 | 亳州市济生堂中药饮片有限公司 | Medicinal material multi-stage screening device for herbal pieces-production |
| CN211989645U (en) * | 2020-04-24 | 2020-11-24 | 江西红星变性淀粉有限公司 | Modified starch prevents stifled screening machine |
| CN111604124A (en) * | 2020-06-12 | 2020-09-01 | 深圳市伊乐农贸有限公司 | Effectual maize grinder |
| CN112246640A (en) * | 2020-10-14 | 2021-01-22 | 湖南省桓荣包装科技有限公司 | A raw materials multistage classified screening device for starch glue processing |
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