CN112774981A - Effectual grit screening plant - Google Patents
Effectual grit screening plant Download PDFInfo
- Publication number
- CN112774981A CN112774981A CN202110212502.0A CN202110212502A CN112774981A CN 112774981 A CN112774981 A CN 112774981A CN 202110212502 A CN202110212502 A CN 202110212502A CN 112774981 A CN112774981 A CN 112774981A
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- Prior art keywords
- rod
- spring
- box body
- belt
- rotating
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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
- B07B1/36—Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens jigging or moving to-and-fro in more than one direction
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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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- Combined Means For Separation Of Solids (AREA)
Abstract
The invention relates to a sand and stone screening device with good effect, which comprises a base, a supporting mechanism and a vibrating mechanism, wherein the supporting mechanism is used for supporting a box body, the vibrating mechanism is used for vibrating the box body, so that better screening effect is realized, compared with the existing supporting mechanism, the mechanism not only supports the box body, but also generates vibration through the restoring force of a first spring and a second spring, so that better vibration effect is realized, and better screening effect is realized. The mechanism realizes the disassembly of the belt through the pulling of connection, facilitates the disassembly and the assembly and improves the practicability.
Description
Technical Field
The invention relates to a sand and stone screening device with a good effect.
Background
The screening machine utilizes the relative motion of bulk materials and a screen surface to enable partial particles to penetrate through screen holes, and divides materials such as sand, gravel, broken stone and the like into vibration screening mechanical equipment with different grades according to the particle size, the screened particle grade depends on the screen surface, the screen surface is divided into three types of grates, plate screens and mesh screens, the screening machine is divided into rolling screening and vibration screening according to the principle, the rolling screening comprises a screen shaft type screening machine, a drum screen, a solid spiral roller screen, a blade type roller screen and the like, and the vibration screening basically comprises a banana screen, a high-clothes screen, a relaxation screen and the like.
Present grit screening plant can only produce generally simple controlling and rock, the grit is not enough with the contact of screen cloth, the screening effect is not good, current screening plant is when producing vibrations simultaneously, generally drive through the motor drive eccentric wheel, the in-process once more, the eccentric wheel is knocking the in-process, can produce great vibrations, thereby cause vibrations to the output shaft of motor, thereby make the internal connection of motor take place great vibrations, thereby the life of motor has been reduced.
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, the sand screening device with good effect is provided.
The technical scheme adopted by the invention for solving the technical problems is as follows: a sand and stone screening device with good effect comprises a base, a box body, a screen, a supporting mechanism and a vibrating mechanism, wherein the box body is arranged above the base, the screen is arranged at the bottom of the box body, the supporting mechanism is arranged on the base, and the vibrating mechanism is arranged on one side of the box body;
the supporting mechanism comprises two supporting components which are respectively arranged at two sides of the box body, the supporting components comprise supporting units and limiting units, the supporting units comprise fixed rods, pressing plates and first springs, the fixed rods are arranged on the base, the pressing plates are sleeved on the fixed rods, the pressing plates are connected with the fixed rods in a sliding mode, the first springs are sleeved on the fixed rods, one ends of the first springs are connected with the base, the other ends of the first springs are connected with the pressing plates, the number of the limiting units is two, the two limiting units are respectively arranged at two ends of the box body, the limiting units comprise rolling wheels, rotating shafts and restoring units, the rotating shafts are arranged on the box body, the rolling wheels are sleeved on the rotating shafts, the rolling wheels are connected with the rotating shaft keys, limiting grooves are formed in the pressing plates, the rolling wheels are located in the limiting grooves, and the rolling wheels are connected with the, the return units comprise push blocks and second springs, the push blocks are arranged in limit grooves and are in sliding connection with the limit grooves, the cross sections of the push blocks are arc-shaped, the circle centers of the arc-shaped cross sections of the push blocks are located on the axes of the rollers, the push blocks are abutted against the rollers, the two push blocks of the two return units are arranged oppositely, the second springs are arranged in the limit grooves, one ends of the second springs are connected with the limit grooves, and the other ends of the second springs are connected with the push blocks;
vibrations mechanism includes motor, bull stick, carousel, coupling assembling and promotion subassembly, the motor level sets up one side at the box, the bull stick sets up the middle part at the box, the bull stick sets up with the output shaft coaxial of motor, the carousel has two, and one of them carousel sets up on the output shaft of motor, the carousel is connected with motor drive, and another carousel sets up on the bull stick, and two carousels are just to setting up, and two carousels all set up with the bull stick is coaxial, coupling assembling sets up on the carousel, coupling assembling has a plurality ofly, and each coupling assembling evenly sets up between two carousels, coupling assembling includes belt and linkage unit, linkage unit has two, and two linkage units set up respectively on two carousels, linkage unit includes fixed plate, fixed block, card post, depression bar, latch, slide bar, slider, connecting rod, Positioning rod, locating piece and third spring, the fixed plate sets up on the carousel, the fixed block sets up the one end at the fixed plate, be equipped with the perforation on the fixed block, the belt passes the perforation, the card post sets up on the fixed plate, be equipped with the round hole on the belt, the card post passes the round hole, the one end of depression bar is articulated with the fixed block, the belt passes fenestrate one end and is located the top of depression bar, the latch sets up on the depression bar, the latch supports with the belt and leans on, there are two slide bars, two slide bars set up respectively in the both sides of fixed plate, slide bar and fixed plate sliding connection, the slider sets up the one end at the slide bar, be equipped with the bar groove on the fixed plate, the slider is located the bar groove, slider and bar groove sliding connection, the connecting rod sets up the one end of slider is kept away from, the locating lever passes the connecting rod, connecting rod and connecting rod sliding connection, be equipped with the recess on the depression bar, the one end of locating lever is located the recess, the one end that the belt is located the depression bar is located between connecting rod and the depression bar, be equipped with the locating hole on the belt, the locating lever passes the locating hole, the locating piece sets up the one end of keeping away from the recess at the locating lever, the third spring housing is established on the locating lever, the third spring is located between locating piece and the locating lever, the one end and the locating lever of third spring are connected, the other end and the locating piece connection of third spring, it includes eccentric wheel and baffle to promote the subassembly, the eccentric wheel cover is established on the bull stick, eccentric wheel and bull stick key-type connection, the baffle sets up the one.
In order to better limit the movement of the box body, the number of the fixed rods is two, the two fixed rods are respectively arranged at two ends of the pressing plate, the number of the first springs is two, and the two first springs are respectively sleeved on the two fixed rods.
In order to better limit the movement of the roller, a sliding groove is arranged in the limiting groove, the roller is positioned in the sliding groove, and the roller is in rolling connection with the sliding groove.
In order to carry out better fixed to the belt, the card post has two, and two card posts set up respectively at the both ends of fixed plate, the round hole has two, and two card posts pass two round holes respectively.
In order to support the rotating shaft, a bearing seat is arranged on the box body, and one end of the rotating shaft is located in the bearing seat.
In order to better fix the belt, the latch has a plurality ofly, and each draw-in groove evenly sets up.
In order to enable the pressing rod to better compress the belt, a torsional spring is arranged at the hinged position of the pressing rod and the fixed block.
For a better fixation of the belt, the third spring is in tension.
In order to reduce friction, lubricating oil is arranged in the limiting groove.
In order to reduce friction, lubricating oil is arranged in the strip-shaped groove.
The invention has the advantages that the sandstone screening device with good effect realizes the support of the box body through the support mechanism and the vibration of the box body through the vibration mechanism, thereby realizing better screening effect, compared with the prior support mechanism, the mechanism not only supports the box body, but also generates vibration through the restoring force of the first spring and the second spring, thereby realizing better vibration effect, thereby realizing better screening effect, compared with the prior vibration mechanism, the mechanism realizes better vibration effect through the up-and-down vibration and the left-and-right vibration of the box body, simultaneously realizes the vibration of the box body through driving the belt to rotate, the belt generates pulling force in the rotating process, the box body can move towards all directions, thereby realizing better vibration effect, compared with the prior connecting component, the mechanism realizes the disassembly of the belt through the connected pulling, the disassembly and the assembly are convenient, and the practicability is improved.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic structural view of the sand screening apparatus of the present invention;
FIG. 2 is a schematic structural view of the support mechanism of the sand screening apparatus of the present invention;
FIG. 3 is an enlarged view of portion A of FIG. 1;
FIG. 4 is a schematic structural view of a coupling unit of the sand screening apparatus of the present invention;
in the figure: 1. the automatic feeding device comprises a base, a box body, a screen, a fixing rod, a pressing plate, a first spring, a roller, a rotating shaft, a pushing block, a second spring, a motor, a rotating rod, a rotating disc, a belt, a fixing plate, a fixing block, a clamping column, a pressing rod, a clamping tooth, a sliding rod, a sliding block, a connecting rod, a positioning block, a third spring, a cam wheel and a baffle, wherein the box body is 2, the screen is 3, the fixing rod is 4, the pressing plate is 5, the first spring is 6, the roller is 7, the rotating shaft is 8, the pushing block is 9, the second.
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, the sand screening device with good effect comprises a base 1, a box body 2, a screen 3, a supporting mechanism and a vibrating mechanism, wherein the box body 2 is arranged above the base 1, the screen 3 is arranged at the bottom of the box body 2, the supporting mechanism is arranged on the base 1, and the vibrating mechanism is arranged on one side of the box body 2;
when the device uses, pour the grit into box 2 in, realize the support of box 2 through supporting mechanism, realize the vibrations of box 2 through vibrations mechanism to the grit in to box 2 is sieved.
As shown in fig. 2, the supporting mechanism comprises two supporting components, the two supporting components are respectively arranged at two sides of the box body 2, the supporting components comprise a supporting unit and two limiting units, the supporting unit comprises a fixing rod 4, a pressing plate 5 and a first spring 6, the fixing rod 4 is arranged on the base 1, the pressing plate 5 is sleeved on the fixing rod 4, the pressing plate 5 is slidably connected with the fixing rod 4, the first spring 6 is sleeved on the fixing rod 4, one end of the first spring 6 is connected with the base 1, the other end of the first spring 6 is connected with the pressing plate 5, the two limiting units are respectively arranged at two ends of the box body 2, each limiting unit comprises a roller 7, a rotating shaft 8 and a return unit, the rotating shaft 8 is arranged on the box body 2, the roller 7 is sleeved on the rotating shaft 8, and the roller 7 is in key connection with the rotating shaft 8, the pressing plate 5 is provided with a limiting groove, the roller 7 is positioned in the limiting groove, the roller 7 is in rolling connection with the limiting groove, the replying unit comprises a pushing block 9 and a second spring 10, the pushing block 9 is arranged in the limiting groove, the pushing block 9 is in sliding connection with the limiting groove, the section of the pushing block 9 is arc-shaped, the circle center of the arc-shaped section of the pushing block 9 is positioned on the axis of the roller 7, the pushing block 9 is abutted against the roller 7, the two pushing blocks 9 of the two replying units are arranged oppositely, the second spring 10 is arranged in the limiting groove, one end of the second spring 10 is connected with the limiting groove, and the other end of the second spring 10 is connected with the pushing block 9;
here, the pressing plate 5 is supported by the restoring force of the first spring 6, so that the pressing plate 5 is supported above the base 1, the roller 7 is positioned in the stopper groove on the pressing plate 5, so that the rollers 7, and thus the shafts 8, are supported by the pressure plate 5, and thus the case 2 is supported, so that the box body 2 is supported above the base 1, when the box body 2 vibrates up and down, the box body 2 moves downwards, so that the pressure plate 5 moves downwards, the pressure plate 5 drives the first spring 6 to compress, the restoring force of the first spring 6 generates an upward thrust on the pressure plate 5, thereby leading the pressure plate 5 to move reversely, leading the pressure plate 5 to drive the box body 2 to move reversely, leading the box body 2 to vibrate up and down, here, the first spring 6 generates a slight vibration during the compression recovery, and the vibration also provides a slight vibration to the case 2, thereby improving a better sieving effect.
Here, the restoring force of the second spring 10 generates a pushing force on the pushing block 9, so that the two pushing forces cling to the two sides of the roller 7, so that the roller 7 is limited, when the box body 2 swings left and right, the roller 7 presses the pushing block 9, the pushing block 9 presses the second spring 10, so that the second spring 10 is compressed, the restoring force of the second spring 10 generates a pushing force on the pushing block 9, the pushing block 9 generates a pushing force on the roller 7, so that the roller 7 moves reversely, so that the box body 2 moves reversely, then the roller 7 pushes the pushing block 9 on the other side, the pushing block 9 on the other side pushes the other second spring 10, so that the other second spring 10 is compressed again, the two second springs 10 gradually tend to be stable along with the weakening of the pushing force applied to the roller 7, in the process, the box body 2 moves left and right in a reciprocating manner, and a better screening effect is realized.
The box body 2 can move up and down and left and right, so that sand in the box body 2 can fully contact the screen 3 at the bottom of the box body 2, and a better screening effect is realized.
As shown in fig. 3-4, the vibration mechanism includes a motor 11, a rotating rod 12, two rotating discs 13, a connecting assembly and a pushing assembly, the motor 11 is horizontally disposed on one side of the box 2, the rotating rod 12 is disposed in the middle of the box 2, the rotating rod 12 is coaxially disposed with the output shaft of the motor 11, the rotating discs 13 are two, one rotating disc 13 is disposed on the output shaft of the motor 11, the rotating disc 13 is in transmission connection with the motor 11, the other rotating disc 13 is disposed on the rotating rod 12, the two rotating discs 13 are just opposite to each other, the two rotating discs 13 are coaxially disposed with the rotating rod 12, the connecting assembly is disposed on the rotating disc 13, the connecting assembly is provided with a plurality of connecting assemblies, each connecting assembly is uniformly disposed between the two rotating discs 13, the connecting assembly includes a belt 14 and two connecting units, the two connecting units are disposed on the two rotating discs 13 respectively, the connecting unit comprises a fixed plate 15, a fixed block 16, a clamping column 17, a pressure rod 18, a latch 19, a sliding rod 20, a sliding block 21, a connecting rod 22, a positioning rod 23, a positioning block 24 and a third spring 25, wherein the fixed plate 15 is arranged on the rotary table 13, the fixed block 16 is arranged at one end of the fixed plate 15, the fixed block 16 is provided with a through hole, the belt 14 penetrates through the through hole, the clamping column 17 is arranged on the fixed plate 15, the belt 14 is provided with a round hole, the clamping column 17 penetrates through the round hole, one end of the pressure rod 18 is hinged to the fixed block 16, the belt 14 penetrates through the perforated end and is positioned above the pressure rod 18, the latch 19 is arranged on the pressure rod 18, the latch 19 is abutted against the belt 14, the sliding rods 20 are two, the two sliding rods 20 are respectively arranged at two sides of the fixed plate 15, the sliding rods 20 are slidably connected with the fixed, the fixing plate 15 is provided with a strip-shaped groove, the sliding block 21 is positioned in the strip-shaped groove, the sliding block 21 is connected with the strip-shaped groove in a sliding manner, the connecting rod 22 is arranged at one end of the sliding rod 20 far away from the sliding block 21, the two sliding rods 20 are connected through the connecting rod 22, the positioning rod 23 penetrates through the connecting rod 22, the connecting rod 22 is connected with the connecting rod 22 in a sliding manner, the pressing rod 18 is provided with a groove, one end of the positioning rod 23 is positioned in the groove, one end of the belt 14 positioned on the pressing rod 18 is positioned between the connecting rod 22 and the pressing rod 18, the belt 14 is provided with a positioning hole, the positioning rod 23 penetrates through the positioning hole, the positioning block 24 is arranged at one end of the positioning rod 23 far away from the groove, the third spring 25 is sleeved on the positioning rod 23, the third spring 25 is positioned between the positioning block, the pushing assembly comprises an eccentric wheel 26 and a baffle plate 27, the eccentric wheel 26 is sleeved on the rotating rod 12, the eccentric wheel 26 is connected with the rotating rod 12 in a key mode, the baffle plate 27 is arranged on one side of the eccentric wheel 26, and the eccentric wheel 26 abuts against the baffle plate 27.
The motor 11 is operated, the motor 11 drives the rotary disc 13 connected with the motor to rotate, the rotary disc 13 drives the other rotary disc 13 to rotate through the connecting component, the other rotary disc 13 drives the rotary rod 12 to rotate, the rotary rod 12 drives the eccentric wheel 26 to rotate, when the convex surface of the eccentric wheel 26 is abutted to the baffle 27, the eccentric wheel 26 is blocked by the baffle 27, the eccentric wheel 26 moves towards the direction far away from the baffle 27, so that the eccentric wheel 26 drives the rotary rod 12 to move, the rotary rod 12 drives the box body 2 to move, so that the box body 2 moves left and right, so that sand in the box body 2 shakes, and the screening of the sand is realized.
Here, two rotating discs 13 are connected through a belt 14, when the belt 14 needs to be fixed, a pressing rod 18 is pulled to leave enough space between the pressing rod 18 and a fixing plate 15, then two ends of the belt 14 are respectively sleeved on two clamping columns 17 of two connecting units, so that the belt 14 is positioned, the pressing rod 18 is loosened, a torsion spring on the pressing rod 18 is in a deformation state at the moment, the pressing rod 18 rotates reversely under the action of the restoring force of the torsion spring to press the belt 14, the belt 14 is clamped through the pressing rod 18 and the fixing plate 15, meanwhile, the pressing rod 18 drives a latch 19 to move, so that the latch 19 is inserted into the belt 14, so that the belt 14 is fixed again, then the belt 14 passes through the fixing block 16, is wound on the pressing rod 18, then passes between a connecting rod 22 and the pressing rod 18, and pulls the positioning rod 23 upwards to leave enough space between the connecting rod 22 and the pressing, then the sliding rod 20 is moved, the sliding rod 20 drives the connecting rod 22 to move, the connecting rod 22 drives the positioning rod 23 to move, the positioning rod 23 is made to move to a positioning hole on the belt 14, then the positioning rod 23 is loosened, the third spring 25 is in a stretching state at the moment, the restoring force of the third spring 25 generates a pulling force on the positioning block 24, the positioning block 24 generates a pulling force on the positioning rod 23, and therefore the positioning rod 23 penetrates through the positioning hole and then is inserted into the groove, a better fixing effect is achieved on the belt 14, and the two rotating discs 13 can be connected through the belt 14.
The motor 11 is moved, the motor 11 drives the rotation of the turntable 13 connected thereto, the turntable 13 drives the rotation of the respective connecting unit arranged above, the connecting unit drives the belt 14 in rotation, the belt 14 drives the rotation of the other connecting unit, so that the other turntable 13 is rotated, and the other turntable drives the rotation of the turn bar 12, so that the rotation of the eccentric 26 is achieved.
Here, because the two rotating discs 13 are connected through the belt 14, the motor 11 drives the eccentric wheel 26 to rotate, when the eccentric wheel 26 drives the box body 2 to move, the output shaft of the motor 11 is not driven to move, here, when the belt 14 rotates, an outward centripetal force is generated, due to the movement of the box body 2, the box body 2 pulls the rotating rod 12 to move, the rotating rod 12 drives the rotating disc 13 connected with the rotating rod to rotate, so that the two rotating discs 13 deviate, the centripetal force generated by the rotation of each belt 14 is changed, the pulling force of each belt 14 is changed, so that the pulling force of the belt 14 to the rotating rod 12 is changed, when the pulling force of the belt 14 on one side is smaller than the pulling force of the belt 14 on the other side, the belt 14 pulls the box body 2 to deviate towards one side, so that the box body 2 generates a larger displacement, thereby realizing a better vibration effect, thereby realizing better screening effect.
In order to better limit the movement of the box body 2, the number of the fixing rods 4 is two, the two fixing rods 4 are respectively arranged at two ends of the pressing plate 5, the number of the first springs 6 is two, and the two first springs 6 are respectively sleeved on the two fixing rods 4.
In order to better limit the movement of the roller 7, a sliding groove is arranged in the limiting groove, the roller 7 is positioned in the sliding groove, and the roller 7 is in rolling connection with the sliding groove.
For better fixing of the belt 14, the two clamping columns 17 are provided, the two clamping columns 17 are respectively arranged at two ends of the fixing plate 15, the two circular holes are provided, and the two clamping columns 17 respectively penetrate through the two circular holes.
In order to support the rotating shaft 8, a bearing seat is arranged on the box body 2, and one end of the rotating shaft 8 is positioned in the bearing seat.
For better fixing of the belt 14, the latch 19 is provided with a plurality of slots, and the slots are evenly arranged.
In order to enable the compression rod 18 to better press the belt 14, a torsion spring is arranged at the hinged part of the compression rod 18 and the fixed block 16.
For a better fixation of the belt 14, said third spring 25 is in a stretched state.
In order to reduce friction, lubricating oil is arranged in the limiting groove.
In order to reduce friction, lubricating oil is arranged in the strip-shaped groove.
When the device is used, a round hole in a belt 14 is sleeved on a clamping column 17 to realize the positioning of the belt 14, then a pressing rod 18 is loosened to enable the pressing rod 18 to press the belt 14, meanwhile, a clamping tooth 19 on the pressing rod 18 presses the belt 14 to fix the belt 14 again, then the belt 14 passes through a through hole in a fixed block 16, the pressing rod 18 is wound to enable the belt 14 to be located between a connecting rod 22 and the pressing rod 18, then the sliding rod 20 is pulled, the sliding rod 20 drives a positioning rod 23 to move to enable the positioning rod 23 to move to a positioning hole on the belt 14, then a hand is loosened, the positioning rod 23 is driven to move downwards under the action of restoring force of a third spring 25 to enable the positioning rod 23 to be inserted into the positioning hole and a groove, so that the belt 14 is fixed again, and a better fixing effect is realized, thereby two turntables 13 are connected through the belt 14, when, the positioning rod 23 is moved upwards, so that the positioning rod 23 can be moved away from the belt 14, then the pressing rod 18 is pulled upwards, the latch 19 and the belt 14 are moved away, then the belt 14 is pulled, the clamping column 17 is moved away from the belt 14, the belt 14 can be removed, the use of bolts and screws is avoided, the use of tools of screwdrivers and electric drills is avoided, the disassembly and the assembly are convenient, after the belt 14 is connected, the motor 11 is operated, the motor 11 drives the rotary disc 13 connected with the belt to rotate, the rotary disc 13 drives each connecting unit to rotate, each connecting unit drives each belt 14 to rotate, each belt 14 drives the other connecting unit to rotate, the connecting unit drives the other rotary disc 13 to rotate, the other rotary wheel drives the rotary rod 12 to rotate, the rotary rod 12 drives the eccentric wheel 26 to rotate, when the convex surface of the eccentric wheel 26 abuts against the baffle plate 27, the eccentric wheel 26 is blocked, the eccentric wheel 26 drives the rotating rod 12 to move towards one side, the rotating rod 12 drives the roller 7 to move towards one side, the roller 7 drives the push block 9 to move towards one side, the push block 9 drives the second spring 10 to compress, the restoring force of the second spring 10 generates thrust on the push block 9, the push block 9 generates thrust on the roller 7, so that the roller 7 drives the rotating rod 12 to move reversely, the rotating rod 12 drives the box body 2 to move, so that the box body 2 moves leftwards and rightwards, so that sand in the box body 2 moves, meanwhile, the box body 2 moves to drive the rotary discs 13 connected with the box body 2 to move, so that the two rotary discs 13 deviate, so that the belt 14 deviates, so that the centrifugal force generated by the belts 14 during rotation changes, so that the pulling force of the belts 14 on the rotating rod 12 changes, so that the belts 14 pull the box body 2 to move towards all directions, thereby realizing better screening effect, the motor 11 and the eccentric wheel 26 are connected through the belt 14, so that the violent vibration generated by the eccentric wheel 26 and the baffle plate 27 is prevented from being transmitted to the output shaft of the motor 11, and the motor 11 is protected.
Compared with the prior art, the sandstone screening device with good effect realizes the support of the box body 2 through the support mechanism and the vibration of the box body 2 through the vibration mechanism, thereby realizing better screening effect, compared with the prior support mechanism, the mechanism not only supports the box body 2, but also generates vibration through the restoring force of the first spring 6 and the second spring 10, thereby realizing better vibration effect, compared with the prior vibration mechanism, the mechanism realizes better vibration effect through the up-and-down vibration and left-and-right vibration of the box body 2, simultaneously, the mechanism realizes the vibration of the box body 2 through the rotation of the driving belt 14, the pulling force generated in the rotation process of the belt 14 enables the box body 2 to move towards all directions, thereby realizing better vibration effect, compared with the prior connecting component, the mechanism realizes the disassembly of the belt 14 through the pulling of the connection, the disassembly and the assembly are convenient, and the practicability is improved.
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 (10)
1. The sand and stone screening device with the good effect is characterized by comprising a base (1), a box body (2), a screen (3), a supporting mechanism and a vibrating mechanism, wherein the box body (2) is arranged above the base (1), the screen (3) is arranged at the bottom of the box body (2), the supporting mechanism is arranged on the base (1), and the vibrating mechanism is arranged on one side of the box body (2);
the supporting mechanism comprises two supporting components which are respectively arranged at two sides of the box body (2), each supporting component comprises a supporting unit and a limiting unit, each supporting unit comprises a fixed rod (4), a pressing plate (5) and a first spring (6), the fixed rods (4) are arranged on the base (1), the pressing plates (5) are sleeved on the fixed rods (4), the pressing plates (5) are slidably connected with the fixed rods (4), the first springs (6) are sleeved on the fixed rods (4), one ends of the first springs (6) are connected with the base (1), the other ends of the first springs (6) are connected with the pressing plates (5), the number of the limiting units is two, the two limiting units are respectively arranged at two ends of the box body (2), each limiting unit comprises a roller (7), a rotating shaft (8) and a return unit, and the rotating shaft (8) is arranged on the box body (2), the roller (7) is sleeved on the rotating shaft (8), the roller (7) is connected with the rotating shaft (8) in a key way, the pressing plate (5) is provided with a limit groove, the roller (7) is positioned in the limit groove, the roller (7) is in rolling connection with the limiting groove, the return unit comprises a push block (9) and a second spring (10), the push block (9) is arranged in the limit groove, the push block (9) is connected with the limit groove in a sliding way, the section of the push block (9) is arc-shaped, the circle center of the arc-shaped section of the push block (9) is positioned on the axis of the roller (7), the push block (9) is abutted against the roller (7), the two push blocks (9) of the two return units are arranged oppositely, the second spring (10) is arranged in the limiting groove, one end of the second spring (10) is connected with the limiting groove, and the other end of the second spring (10) is connected with the push block (9);
the vibration mechanism comprises a motor (11), a rotating rod (12), a rotating disc (13), a connecting assembly and a pushing assembly, wherein the motor (11) is horizontally arranged on one side of a box body (2), the rotating rod (12) is arranged in the middle of the box body (2), the rotating rod (12) is coaxially arranged with an output shaft of the motor (11), the rotating disc (13) is provided with two rotating discs (13), one rotating disc (13) is arranged on the output shaft of the motor (11), the rotating disc (13) is in transmission connection with the motor (11), the other rotating disc (13) is arranged on the rotating rod (12), the two rotating discs (13) are just opposite to each other, the two rotating discs (13) are coaxially arranged with the rotating rod (12), the connecting assembly is arranged on the rotating disc (13), the connecting assembly is provided with a plurality of connecting assemblies, each connecting assembly is evenly arranged between the two rotating discs (13), the connecting assembly comprises a belt (14) and a connecting, the connecting units are two, the two connecting units are respectively arranged on two rotary tables (13), each connecting unit comprises a fixing plate (15), a fixing block (16), a clamping column (17), a pressure rod (18), a clamping tooth (19), a sliding rod (20), a sliding block (21), a connecting rod (22), a positioning rod (23), a positioning block (24) and a third spring (25), the fixing plate (15) is arranged on the rotary tables (13), the fixing block (16) is arranged at one end of the fixing plate (15), a through hole is formed in the fixing block (16), a belt (14) penetrates through the through hole, the clamping column (17) is arranged on the fixing plate (15), a round hole is formed in the belt (14), the clamping column (17) penetrates through the round hole, one end of the pressure rod (18) is hinged to the fixing block (16), and the end, through which penetrates through the through hole, of the belt (14) is positioned above the pressure rod (, latch (19) set up on depression bar (18), latch (19) support with belt (14) and lean on, slide bar (20) have two, and two slide bars (20) set up the both sides in fixed plate (15) respectively, slide bar (20) and fixed plate (15) sliding connection, slider (21) set up the one end at slide bar (20), be equipped with the bar groove on fixed plate (15), slider (21) are located the bar inslot, slider (21) and bar groove sliding connection, connecting rod (22) set up the one end of keeping away from slider (21) in slide bar (20), and two slide bars (20) are connected through connecting rod (22), connecting rod (22) are passed in locating lever (23), connecting rod (22) and connecting rod (22) sliding connection, be equipped with the recess on depression bar (18), the one end of locating lever (23) is located the recess, belt (14) are located the one end on depression bar (18) and are located between connecting rod (22) and depression bar (18) The belt (14) is provided with a positioning hole, the positioning rod (23) penetrates through the positioning hole, the positioning block (24) is arranged at one end, away from the groove, of the positioning rod (23), the third spring (25) is sleeved on the positioning rod (23), the third spring (25) is located between the positioning block (24) and the positioning rod (23), one end of the third spring (25) is connected with the positioning rod (23), the other end of the third spring (25) is connected with the positioning block (24), the pushing assembly comprises an eccentric wheel (26) and a baffle (27), the eccentric wheel (26) is sleeved on the rotating rod (12), the eccentric wheel (26) is in key connection with the rotating rod (12), the baffle (27) is arranged on one side of the eccentric wheel (26), and the eccentric wheel (26) abuts against the baffle (27).
2. A sand and stone screening apparatus as claimed in claim 1, wherein there are two of said fixing rods (4), two fixing rods (4) are provided at each end of the pressing plate (5), and there are two of said first springs (6), and two first springs (6) are fitted over the two fixing rods (4), respectively.
3. A sand and stone screening apparatus with good effect as claimed in claim 1, wherein a chute is provided in the limit groove, the roller (7) is located in the chute, and the roller (7) is connected with the chute in a rolling manner.
4. A device for screening sand and stone with good effect as claimed in claim 1, wherein there are two said fastening posts (17), two said fastening posts (17) are respectively disposed at two ends of the fixing plate (15), there are two said circular holes, and two said fastening posts (17) respectively pass through two said circular holes.
5. A sand screening apparatus as claimed in claim 1, characterised in that the housing (2) is provided with bearing seats in which one end of the shaft (8) is located.
6. A device for screening sand and stone with good results as in claim 1, characterised in that said latch (19) is provided in a plurality of slots, each slot being evenly arranged.
7. A sand screening device with good effect as claimed in claim 1, characterized in that the hinged part of the pressure lever (18) and the fixed block (16) is provided with a torsion spring.
8. A positive sand screen apparatus according to claim 1, characterised in that the third spring (25) is under tension.
9. A device as claimed in claim 1, characterised in that the retaining groove is provided with lubricating oil.
10. A device as claimed in claim 1, characterised in that lubricating oil is provided in the strip channel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110212502.0A CN112774981A (en) | 2021-02-25 | 2021-02-25 | Effectual grit screening plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110212502.0A CN112774981A (en) | 2021-02-25 | 2021-02-25 | Effectual grit screening plant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112774981A true CN112774981A (en) | 2021-05-11 |
Family
ID=75761852
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110212502.0A Withdrawn CN112774981A (en) | 2021-02-25 | 2021-02-25 | Effectual grit screening plant |
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| Country | Link |
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| CN (1) | CN112774981A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113232260A (en) * | 2021-06-01 | 2021-08-10 | 邢台约翰威克士工业有限公司 | Pre-forming extrusion device for preparing rubber sealing element |
| CN114226236A (en) * | 2021-12-20 | 2022-03-25 | 林春微 | Building rubbish sorting device |
-
2021
- 2021-02-25 CN CN202110212502.0A patent/CN112774981A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113232260A (en) * | 2021-06-01 | 2021-08-10 | 邢台约翰威克士工业有限公司 | Pre-forming extrusion device for preparing rubber sealing element |
| CN114226236A (en) * | 2021-12-20 | 2022-03-25 | 林春微 | Building rubbish sorting device |
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Application publication date: 20210511 |
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