CN113351475B - Roller stone screening machine - Google Patents
Roller stone screening machine Download PDFInfo
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- CN113351475B CN113351475B CN202110723267.3A CN202110723267A CN113351475B CN 113351475 B CN113351475 B CN 113351475B CN 202110723267 A CN202110723267 A CN 202110723267A CN 113351475 B CN113351475 B CN 113351475B
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- Prior art keywords
- fixedly connected
- screening
- cover body
- motor
- conveyor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/46—Constructional details of screens in general; Cleaning or heating of screens
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C19/00—Other disintegrating devices or methods
- B02C19/22—Crushing mills with screw-shaped crushing means
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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
- B02C23/16—Separating or sorting of material, associated with crushing or disintegrating with separator defining termination of crushing or disintegrating zone, e.g. screen denying egress of oversize material
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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
- B07B1/34—Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens jigging or moving to-and-fro perpendicularly or approximately perpendiculary to the plane of the screen
- B07B1/343—Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens jigging or moving to-and-fro perpendicularly or approximately perpendiculary to the plane of the screen with mechanical drive elements other than electromagnets
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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
- 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
- B02C23/16—Separating or sorting of material, associated with crushing or disintegrating with separator defining termination of crushing or disintegrating zone, e.g. screen denying egress of oversize material
- B02C2023/165—Screen denying egress of oversize material
Abstract
The invention discloses a roller stone screening machine, which comprises a machine body, a screening mechanism and a transmission mechanism, wherein the top end of the machine body is fixedly connected with a cover body, the inner wall of the top end of the cover body is fixedly connected with an oscillating mechanism, and the screening mechanism is rotatably connected in the cover body through the oscillating mechanism; a conveyor is arranged on one side of the cover body and fixedly connected to the top end of the machine body, and the tail end of the conveyor penetrates through the cover body and is communicated with the screening mechanism; a motor is arranged on one side of the cover body, which is far away from the conveyor, and the motor is in transmission connection with the screening mechanism through a transmission mechanism; one side of the cover body close to the motor is provided with a speed regulating mechanism, and the motor is in transmission connection with the oscillating mechanism through the speed regulating mechanism. The invention has good sand and stone effect and low noise, and is suitable for indoor places such as laboratories and the like.
Description
Technical Field
The invention relates to the technical field of stone screening machines, in particular to a roller stone screening machine.
Background
At present, in the concrete experiment, there is higher requirement to the particle diameter of stone, often need sieve through the sieve stone machine with great stone in the grit material to reach better experimental effect.
There are two general types of stone screening machines in use today: one type is a drum-type stone screening machine, which imitates the working principle of manually screening sand by using an inclined screen to repeatedly roll and slide sand materials to be fully dispersed and separated, and as most of drums of the drum-type stone screening machine are obliquely arranged, the large and small materials are mutually pushed and buried, the screening process is hasty, and the screening is insufficient; the other type is a vibration type stone screening machine, wherein the sand and stone are placed on an inclined screen, the sand and stone are separated by utilizing oscillation generated by rotation of an eccentric wheel, the sand and stone can vibrate and jump during screening of the vibration type stone screening machine, so that the sand and stone are splashed, and meanwhile, the vibration type stone screening machine has high noise and is not suitable for indoor laboratories.
Therefore, it is desirable to design a roller stone screening machine to solve the above problems.
Disclosure of Invention
The invention aims to provide a roller stone screening machine to solve the problems in the prior art.
In order to achieve the purpose, the invention provides the following scheme: the invention provides a roller stone screening machine, which is characterized in that: the screening machine comprises a machine body, a screening mechanism and a transmission mechanism, wherein a cover body is fixedly connected to the top end of the machine body, an oscillating mechanism is fixedly connected to the inner wall of the top end of the cover body, and the screening mechanism is rotatably connected into the cover body through the oscillating mechanism; a conveyor is arranged on one side of the cover body and fixedly connected to the top end of the machine body, and the tail end of the conveyor penetrates through the cover body and is communicated with the screening mechanism; a motor is arranged on one side of the cover body, which is far away from the conveyor, and the motor is in transmission connection with the screening mechanism through the transmission mechanism; one side of the cover body close to the motor is provided with a speed regulating mechanism, and the motor is in transmission connection with the oscillating mechanism through the speed regulating mechanism.
Preferably, oscillating mechanism includes the rigid coupling and is in a plurality of oscillating portions of cover body top inner wall, a plurality of the equal rigid coupling in oscillating portion bottom has the bracket, screening mechanism with the bracket rotates to be connected, the motor passes through speed adjusting mechanism with oscillating portion transmission is connected.
Preferably, the oscillating part comprises a fixed box, a sliding frame is connected in the fixed box in a limiting sliding manner, a half gear is arranged in the sliding frame and is rotatably connected with the fixed box, racks are arranged on two sides of the half gear in the vertical direction and are fixedly connected with the sliding frame, and the half gear is meshed with the racks; the sliding frame bottom rigid coupling has the connecting rod, the connecting rod end runs through fixed case with bracket top rigid coupling.
Preferably, the speed regulation mechanism comprises a speed regulation box fixedly connected with the cover body, a first conical friction wheel and a second conical friction wheel are rotationally connected in the speed regulation box, the direction of the tip of the first conical friction wheel is opposite to that of the tip of the second conical friction wheel, and the first conical friction wheel is in transmission connection with the second conical friction wheel through a friction belt; an adjusting part which is used for adjusting the position of the friction belt is arranged between the first conical friction wheel and the second conical friction wheel, and the adjusting part is fixedly connected with the inner wall of the speed regulating box; the second conical friction wheel is in transmission connection with the half gear, and the first conical friction wheel is in transmission connection with the motor.
Preferably, the regulation portion including set up first toper friction pulley with electric telescopic handle between the second toper friction pulley, electric telescopic handle's stiff end with speed governing incasement wall rigid coupling, electric telescopic handle's flexible end rigid coupling has the gyro wheel, seted up on the gyro wheel with the recess of friction belt width looks adaptation, the friction belt is located all the time in the recess.
Preferably, the screening mechanism comprises a screening barrel rotatably connected with the bracket, the tail end of the conveyor is communicated with one end of the screening barrel, the motor is in transmission connection with one end of the screening barrel, which is far away from the conveyor, and the motor is in transmission connection with the screening barrel through the transmission mechanism; the sieve bucket is followed conveyer direction of transfer divide into one-level sieve segmentation, second grade sieve segmentation, barren rock ejection of compact section in proper order, one-level sieve segmentation, second grade sieve segmentation, barren rock ejection of compact section below all are provided with the collection mechanism.
Preferably, the primary screening section, the secondary screening section and the waste rock discharging section are fixedly connected through reinforcing ribs in sequence, screens are laid on the primary screening section and the secondary screening section, the mesh number of the screens on the primary screening section is larger than that of the screens on the secondary screening section, and helical blades are fixedly connected in the primary screening section and the secondary screening section; a plurality of barren rock discharge gates have been seted up to barren rock ejection of compact section outer wall axial equidistance.
Preferably, the collecting mechanism comprises a collecting hopper fixedly connected to the machine body, the top end of the collecting hopper penetrates through the cover body and is communicated with the cover body, the bottom end of the collecting hopper penetrates through the machine body and is fixedly connected with a sand through pipe, and the tail end of the sand through pipe is detachably connected with a collecting box; the collection is fought interior spacing sliding connection has anti-blocking portion.
Preferably, the anti-blocking part comprises a shunting block, a sliding groove is formed in the side wall of the collecting hopper, a sliding block matched with the sliding groove is fixedly connected to the shunting block, and the shunting block is connected with the collecting hopper in a sliding mode through the sliding groove; the slider bottom rigid coupling has the second spring, the end of second spring with spout bottom inner wall rigid coupling.
Preferably, the transmission mechanism comprises a third rotating shaft fixedly connected with one end, far away from the conveyor, of the sieve barrel, a long hole is formed in one end, close to the motor, of the cover body, the tail end of the third rotating shaft extends out of the cover body through the long hole and is fixedly connected with one end of a universal joint, and the other end of the universal joint is fixedly connected with the tail end of an output shaft of the motor; the cover is rotated in the third pivot outside and is equipped with the connecting block, connecting block sliding connection be in the slot hole, the equal rigid coupling in both ends has first spring about the connecting block, the end of first spring with slot hole inner wall rigid coupling.
The invention discloses the following technical effects:
1. the screening mechanism is covered by the cover body, so that the screening process is carried out in a closed state, and the pollution to the air and the damage to the bodies of workers are greatly reduced.
2. The invention greatly improves the screening effect by oscillating the screening through the oscillating mechanism, and simultaneously can adjust the oscillating frequency through the speed adjusting mechanism, so that the noise is controllable, and the invention is suitable for indoor places such as laboratories and the like.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural view of a roller type stone screening machine;
FIG. 2 is an enlarged view of A in FIG. 1;
FIG. 3 is an enlarged view of B in FIG. 1;
FIG. 4 is a schematic structural view of an oscillating portion according to the present invention;
FIG. 5 is a schematic view of the structure of the governor mechanism of the present invention;
FIG. 6 is a schematic view of a connection structure of a third shaft, a connection block, and a first spring according to the present invention;
FIG. 7 is a schematic view of the internal structure of the collecting hopper according to the present invention;
FIG. 8 is a cross-sectional view of a diverter block according to a second embodiment of the present invention;
FIG. 9 is a schematic structural diagram of a helical blade according to a third embodiment of the present invention;
wherein, 1 is a machine body, 2 is a supporting leg, 3 is a moving wheel, 4 is a conveyor, 5 is a collecting box, 6 is a sand pipe, 7 is a collecting hopper, 8 is a cover body, 9 is a first rotating shaft, 10 is a fixed box, 11 is a connecting rod, 12 is a bracket, 13 is a speed regulating box, 14 is a second rotating shaft, 15 is a chain, 16 is a second chain wheel, 17 is a universal joint, 18 is a first chain wheel, 19 is a motor, 20 is a screen barrel, 21 is a half gear, 22 is a rack, 23 is a sliding frame, 24 is a first spring, 25 is a flexible rubber sheet, 26 is a connecting block, 27 is a third rotating shaft, 28 is a spiral blade, 29 is a screen mesh, 30 is a reinforcing rib, 31 is a first conical friction wheel, 32 is a friction belt, 33 is an electric telescopic rod, 34 is a roller, 35 is a second conical friction wheel, 36 is a second spring, and 37 is a shunting block.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
The first embodiment is as follows:
as shown in fig. 1-7, the invention provides a roller stone screening machine, which comprises a machine body 1, a screening mechanism and a transmission mechanism, wherein the top end of the machine body 1 is fixedly connected with a cover body 8, the inner wall of the top end of the cover body 8 is fixedly connected with an oscillating mechanism, and the screening mechanism is rotatably connected in the cover body 8 through the oscillating mechanism; a conveyor 4 is arranged on one side of the cover body 8, the conveyor 4 is fixedly connected to the top end of the machine body 1, and the tail end of the conveyor 4 penetrates through the cover body 8 and is communicated with the screening mechanism; a motor 19 is arranged on one side of the cover body 8 far away from the conveyor 4, and the motor 19 is in transmission connection with the screening mechanism through a transmission mechanism; one side of the cover body 8 close to the motor 19 is provided with a speed regulating mechanism, and the motor 19 is in transmission connection with the oscillating mechanism through the speed regulating mechanism. The screening mechanism is arranged in the cover body 8, so that the dust generated in the screening process can be effectively inhibited, and the physical health of workers and the surrounding environment are effectively protected.
Further, the conveyor 4 is provided with a switch for controlling the on/off of the conveyor 4 and the motor 19.
Furthermore, the oscillating mechanism comprises a plurality of oscillating portions fixedly connected to the inner wall of the top end of the cover body 8, the bottom ends of the oscillating portions are fixedly connected with a bracket 12, the screening mechanism is rotatably connected with the bracket 12, and the motor 19 is in transmission connection with the oscillating portions through a speed regulating mechanism.
Further, the oscillating part comprises a fixed box 10, a sliding frame 23 is connected in the fixed box 10 in a limiting sliding mode, a half gear 21 is arranged in the sliding frame 23, the half gear 21 is rotatably connected with the fixed box 10, racks 22 are arranged on two sides of the half gear 21 in the vertical direction, the racks 22 are fixedly connected with the sliding frame 23, and the half gear 21 is meshed with the racks 22; the bottom end of the sliding frame 23 is fixedly connected with a connecting rod 11, and the tail end of the connecting rod 11 penetrates through the fixed box 10 and is fixedly connected with the top end of the bracket 12. The half gear 21 rotates to drive the rack 22 which is meshed with the half gear to move, the rack 22 drives the sliding frame 23 which is fixedly connected with the rack 22 to move, and since half of the half gear 21 has gear teeth and half has no gear teeth, when the half gear 21 is meshed with the rack 22 on one side, the rack 22 on the other side is not meshed with the rack 21, the sliding frame 23 can reciprocate up and down, the sieve barrel 20 is further driven to reciprocate up and down, oscillation is realized, and the invention has better sieving effect.
Further, half gear 21 is a gear with one half having teeth and the other half having no teeth.
Further, the speed regulating mechanism comprises a speed regulating box 13 fixedly connected with the cover body 8, a first conical friction wheel 31 and a second conical friction wheel 35 are rotatably connected in the speed regulating box 13, the direction of the tip of the first conical friction wheel 31 is opposite to that of the tip of the second conical friction wheel 35, and the first conical friction wheel 31 and the second conical friction wheel 35 are in transmission connection through a friction belt 32; an adjusting part which is used for adjusting the position of the friction belt 32 is arranged between the first conical friction wheel 31 and the second conical friction wheel 35, and the adjusting part is fixedly connected with the inner wall of the speed regulating box 13; the second conical friction wheel 35 is in transmission connection with the half gear 21, and the first conical friction wheel 31 is in transmission connection with the motor 19.
Further, a first rotating shaft 9 is rotatably connected in the cover body 8, the first rotating shaft 9 penetrates through the plurality of fixed boxes 10 and is in shaft connection with the half gear 21, and one end, close to the motor 19, of the first rotating shaft 9 penetrates through the cover body 8 and the speed regulating box 13 and is fixedly connected with one end of the second conical friction wheel 35; a second rotating shaft 14 is arranged on one side of the motor 19, one end of the second rotating shaft 14, which is close to the cover body 8, penetrates through the speed adjusting box 13 and is fixedly connected with one end of the first conical friction wheel 31, the second rotating shaft 14 is rotatably connected to the top end of the machine body 1, a first chain wheel 18 is fixedly sleeved on an output shaft of the motor 19, a second chain wheel 16 is fixedly sleeved on the second rotating shaft 14, and the first chain wheel 18 is in transmission connection with the second chain wheel 16 through a chain 15.
Further, the adjusting part comprises an electric telescopic rod 33 arranged between the first conical friction wheel 31 and the second conical friction wheel 35, the fixed end of the electric telescopic rod 33 is fixedly connected with the inner wall of the speed regulating box 13, the telescopic end of the electric telescopic rod 33 is fixedly connected with a roller 34, a groove matched with the width of the friction belt 32 is formed in the roller 34, and the friction belt 32 is always located in the groove. The electric telescopic rod 33 stretches and retracts to drive the pulley to move, and then the friction belt 32 is driven to move, so that the change of the transmission ratio between the first conical friction wheel 31 and the second conical friction wheel 35 is realized, the rotating speed of the first rotating shaft 9 is adjusted, and the oscillation frequency of the sieve barrel 20 is adjusted.
Further, the screening mechanism comprises a screening barrel 20 which is rotatably connected with the bracket 12, the tail end of the conveyor 4 is communicated with one end of the screening barrel 20, a motor 19 is in transmission connection with one end, far away from the conveyor 4, of the screening barrel 20, and the motor 19 is in transmission connection with the screening barrel 20 through a transmission mechanism; the sieve bucket 20 is divided into a first-level sieve subsection, a second-level sieve subsection and a waste rock discharge section in sequence along the conveying direction of the conveyor 4, and a collecting mechanism is arranged below the first-level sieve subsection, the second-level sieve subsection and the waste rock discharge section.
Further, the primary screening section, the secondary screening section and the waste rock discharging section are fixedly connected through reinforcing ribs 30 in sequence, screen meshes 29 are respectively paved on the primary screening section and the secondary screening section, the mesh number of the screen meshes 29 on the primary screening section is larger than that of the screen meshes 29 on the secondary screening section, and helical blades 28 are fixedly connected in the primary screening section and the secondary screening section; a plurality of barren rock discharge gates have been seted up to barren rock play section outer wall axial equidistance.
Further, the collecting mechanism comprises a collecting hopper 7 fixedly connected to the machine body 1, the top end of the collecting hopper 7 penetrates through the cover body 8 and is communicated with the cover body 8, the bottom end of the collecting hopper 7 penetrates through the machine body 1 and is fixedly connected with a sand through pipe 6, and the tail end of the sand through pipe 6 is detachably connected with a collecting box 5; the collection hopper 7 is internally connected with an anti-blocking part in a limiting and sliding manner.
Further, in order to make the collecting hopper 7 have a better collecting effect and prevent the screened part from splashing, the top end of the collecting hopper 7 is arc-shaped concave, and the arc-shaped concave is matched with the screen barrel 20.
Further, in order to make the sand passing pipe 6 better pass the screened part, the sand passing pipe 6 is a pipe with a bent shape and presents a certain slope.
Further, the anti-blocking part comprises a shunting block 37, a sliding groove is formed in the side wall of the collecting hopper 7, a sliding block matched with the sliding groove is fixedly connected to the shunting block 37, and the shunting block 37 is connected with the collecting hopper 7 in a sliding mode through the sliding groove; the bottom end of the sliding block is fixedly connected with a second spring 36, and the tail end of the second spring 36 is fixedly connected with the inner wall of the bottom end of the sliding chute. When the screened part falls into the collecting hopper 7, the shunting block 37 can be hit, because the shunting block 37 is provided with an inclined plane or an arc surface, the passing of objects can be accelerated, and meanwhile, the second spring 36 positioned at the bottom end of the sliding block is compressed when the shunting block 37 is impacted, so that vibration can be generated, and the vibration is transmitted to the sand passing pipe 6, so that the falling of the objects is accelerated; the second spring 36 can also play a role in buffering the splitter block 37 to prevent the splitter block 37 from being subjected to hard impact, so that the service life is prolonged.
Further, in order to make the diversion block 37 have a better diversion effect, the cross-sectional shape of the diversion block 37 is triangular, arc-shaped, trapezoidal or other shapes with bevel edges or arc edges.
Further, the transmission mechanism comprises a third rotating shaft 27 fixedly connected with one end of the sieve barrel 20 far away from the conveyor 4, one end of the cover body 8 close to the motor 19 is provided with a long hole, the tail end of the third rotating shaft 27 extends out of the cover body 8 through the long hole and is fixedly connected with one end of a universal joint 17, and the other end of the universal joint 17 is fixedly connected with the tail end of an output shaft of the motor 19; the cover is rotated in the third pivot 27 outside and is equipped with connecting block 26, and connecting block 26 sliding connection is in the slot, and the equal rigid coupling in both ends has first spring 24 about connecting block 26, the end and the slot hole inner wall rigid coupling of first spring 24.
Further, in order to prevent the dust in the screening process from flying out of the cover body 8, one end of the flexible rubber sheet 25 is fixedly connected to the upper end and the lower end of the connecting block 26, and the other end of the flexible rubber sheet 25 is fixedly connected with the cover body 8.
Further, for the convenience remove whole equipment, there is supporting leg 2 at 1 bottom four corners rigid coupling of organism, and 2 bottoms of four supporting legs all rotate and are connected with and remove wheel 3.
The switch is turned on, the conveyor 4 and the motor 19 are started, the conveyor 4 conveys the sand and stone materials to be screened into the screen barrel 20, the motor 19 rotates to drive the universal joint 17 fixedly connected with the motor to rotate, the universal joint 17 drives the third rotating shaft 27 fixedly connected with the universal joint to rotate, the third rotating shaft 27 drives the screen barrel 20 fixedly connected with the third rotating shaft to rotate, and the working principle of screening sand by using the inclined screen 29 manually is simulated when the screen barrel 20 rotates.
The screening barrel 20 adopts a flat arrangement mode, the spiral blade 28 in the screening barrel 20 drives the sand and gravel materials to move forwards, the multi-circle spiral blade 28 can ensure that the sand and gravel materials continuously roll and screen for more than five circles in each stage of screening section so as to ensure the screening effect of each stage of screening section, the screened sand and gravel materials fall into the collecting hopper 7 positioned right below, and the sand and gravel materials enter the sand through pipe 6 through the flow dividing block 37 in the collecting hopper 7 and finally fall into the collecting box 5.
When the sieve barrel 20 rotates, the motor 19 drives the first chain wheel 18 to rotate, the chain 15 drives the second chain wheel 16 to rotate, the second chain wheel 16 drives the second rotating shaft 14 fixedly connected with the second chain wheel to rotate, the second rotating shaft 14 drives the first conical friction wheel 31 fixedly connected with the second rotating shaft to rotate, the friction belt 32 drives the second conical friction wheel 35 to rotate, the second conical friction wheel 35 drives the first rotating shaft 9 fixedly connected with the second chain wheel to rotate, the first rotating shaft 9 drives the half gear 21 to rotate, the half gear 21 drives the rack 22 engaged with the half gear to move, the rack 22 drives the sliding frame 23 fixedly connected with the rack 22 to move, and since half of the half gear 21 has gear teeth and half does not have gear teeth, when the half gear 21 is engaged with the rack 22 on one side, the sliding frame 23 can reciprocate up and down, and further the sieve barrel 20 is driven to reciprocate up and down to realize oscillation, so that the sieve barrel has better sieving effect.
Through the flexible of control electric telescopic handle 33, drive and rotate the pulley of being connected with the flexible end of electric telescopic handle 33 and remove, and then drive friction belt 32 and remove, realize the change of drive ratio between first toper friction pulley 31 and the second toper friction pulley 35, and then realize the regulation to first pivot 9 rotational speed, and then realize the regulation to sieve bucket 20 oscillation frequency.
Example two:
as shown in fig. 8, the difference between the second embodiment and the first embodiment is that the cross section of the diversion block 37 is an arc, which can better guide the gravel material than a trapezoid, and meanwhile, the arc can prevent the gravel material from directly contacting with the sharp top, which prolongs the service life, compared with a triangle.
The working process of the second embodiment is the same as that of the first embodiment, and is not described herein again.
Example three:
as shown in fig. 9, the first embodiment differs from the third embodiment only in that the helical blade 28 in the third embodiment is formed by spirally distributing a plurality of guide vanes, and a gap is left between adjacent guide vanes.
When the sieve barrel 20 rotates, because a gap is reserved between the adjacent flow deflectors, when the agglomerated gravel material rolls in the sieve barrel 20, the flow deflectors can play a role in crushing to break the agglomerated gravel material, so that the sieve barrel can have a better sieving effect.
In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, are merely for convenience of description of the present invention, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
The above-described embodiments are only intended to illustrate the preferred embodiments of the present invention, and not to limit the scope of the present invention, and various modifications and improvements made to the technical solution of the present invention by those skilled in the art without departing from the spirit of the present invention should fall within the protection scope defined by the claims of the present invention.
Claims (5)
1. The utility model provides a cylinder stone screen, its characterized in that: the screening machine comprises a machine body (1), a screening mechanism and a transmission mechanism, wherein a cover body (8) is fixedly connected to the top end of the machine body (1), an oscillating mechanism is fixedly connected to the inner wall of the top end of the cover body (8), and the screening mechanism is rotatably connected into the cover body (8) through the oscillating mechanism; a conveyor (4) is arranged on one side of the cover body (8), the conveyor (4) is fixedly connected to the top end of the machine body (1), and the tail end of the conveyor (4) penetrates through the cover body (8) and is communicated with the screening mechanism; a motor (19) is arranged on one side, away from the conveyor (4), of the cover body (8), and the motor (19) is in transmission connection with the screening mechanism through the transmission mechanism; a speed regulating mechanism is arranged on one side of the cover body (8) close to the motor (19), and the motor (19) is in transmission connection with the oscillating mechanism through the speed regulating mechanism;
the vibrating mechanism comprises a plurality of vibrating parts fixedly connected to the inner wall of the top end of the cover body (8), the bottom ends of the vibrating parts are fixedly connected with a bracket (12), the screening mechanism is rotatably connected with the bracket (12), and the motor (19) is in transmission connection with the vibrating parts through the speed regulating mechanism;
the oscillating part comprises a fixed box (10), a sliding frame (23) is connected in the fixed box (10) in a limiting sliding mode, a half gear (21) is arranged in the sliding frame (23), the half gear (21) is connected with the fixed box (10) in a rotating mode, racks (22) are arranged on two sides of the half gear (21) in the vertical direction, the racks (22) are fixedly connected with the sliding frame (23), and the half gear (21) is meshed with the racks (22); the bottom end of the sliding frame (23) is fixedly connected with a connecting rod (11), and the tail end of the connecting rod (11) penetrates through the fixed box (10) and is fixedly connected with the top end of the bracket (12);
the screening mechanism comprises a screening barrel (20) which is rotatably connected with the bracket (12), the screening barrel (20) is horizontally arranged, the tail end of the conveyor (4) is communicated with one end of the screening barrel (20), the motor (19) is in transmission connection with one end, far away from the conveyor (4), of the screening barrel (20), and the motor (19) is in transmission connection with the screening barrel (20) through the transmission mechanism; the screen barrel (20) is sequentially divided into a primary screening section, a secondary screening section and a waste stone discharging section along the conveying direction of the conveyor (4), and collecting mechanisms are arranged below the primary screening section, the secondary screening section and the waste stone discharging section;
the primary screening section, the secondary screening section and the waste rock discharging section are fixedly connected through reinforcing ribs (30) in sequence, screens (29) are laid on the primary screening section and the secondary screening section, the mesh number of the screens (29) on the primary screening section is larger than that of the screens (29) on the secondary screening section, helical blades (28) are fixedly connected in the primary screening section and the secondary screening section, each helical blade (28) is formed by spirally distributing a plurality of guide vanes, and gaps are reserved between every two adjacent guide vanes; a plurality of waste stone discharge ports are axially and equidistantly formed in the outer wall of the waste stone discharge section;
the transmission mechanism comprises a third rotating shaft (27) fixedly connected with one end, far away from the conveyor (4), of the sieve barrel (20), a long hole is formed in one end, close to the motor (19), of the cover body (8), the tail end of the third rotating shaft (27) extends out of the cover body (8) through the long hole and is fixedly connected with one end of a universal joint (17), and the other end of the universal joint (17) is fixedly connected with the tail end of an output shaft of the motor (19); third pivot (27) outside is rotated the cover and is equipped with connecting block (26), connecting block (26) sliding connection be in the slot, the equal rigid coupling in both ends has first spring (24) about connecting block (26), the end of first spring (24) with the slotted hole inner wall rigid coupling.
2. The roller stone screening machine of claim 1, wherein: the speed regulation mechanism comprises a speed regulation box (13) fixedly connected with the cover body (8), a first conical friction wheel (31) and a second conical friction wheel (35) are connected in the speed regulation box (13) in a rotating mode, the direction of the tip of the first conical friction wheel (31) is opposite to that of the tip of the second conical friction wheel (35), and the first conical friction wheel (31) is in transmission connection with the second conical friction wheel (35) through a friction belt (32); an adjusting part for adjusting the position of a friction belt (32) is arranged between the first conical friction wheel (31) and the second conical friction wheel (35), and the adjusting part is fixedly connected with the inner wall of the speed regulating box (13); the second conical friction wheel (35) is in transmission connection with the half gear (21), and the first conical friction wheel (31) is in transmission connection with the motor (19).
3. The roller stone screening machine of claim 2, wherein: the regulation portion including set up first toper friction pulley (31) with electric telescopic handle (33) between second toper friction pulley (35), the stiff end of electric telescopic handle (33) with speed governing case (13) inner wall rigid coupling, electric telescopic handle (33) flexible end rigid coupling has gyro wheel (34), seted up on gyro wheel (34) with the recess of friction belt (32) width looks adaptation, friction belt (32) are located all the time in the recess.
4. The roller stone screening machine of claim 1, wherein: the collecting mechanism comprises a collecting hopper (7) fixedly connected to the machine body (1), the top end of the collecting hopper (7) penetrates through the cover body (8) and is communicated with the cover body (8), the bottom end of the collecting hopper (7) penetrates through the machine body (1) and is fixedly connected with a sand through pipe (6), and the tail end of the sand through pipe (6) is detachably connected with a collecting box (5); the collection hopper (7) is internally connected with an anti-blocking part in a limiting and sliding manner.
5. The roller stone screen of claim 4, characterized in that: the anti-blocking part comprises a shunting block (37), a sliding groove is formed in the side wall of the collecting hopper (7), a sliding block matched with the sliding groove is fixedly connected to the shunting block (37), and the shunting block (37) is connected with the collecting hopper (7) in a sliding mode through the sliding groove; the bottom end of the sliding block is fixedly connected with a second spring (36), and the tail end of the second spring (36) is fixedly connected with the inner wall of the bottom end of the sliding chute.
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| CN202110723267.3A CN113351475B (en) | 2021-06-29 | 2021-06-29 | Roller stone screening machine |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110723267.3A CN113351475B (en) | 2021-06-29 | 2021-06-29 | Roller stone screening machine |
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| CN113351475A CN113351475A (en) | 2021-09-07 |
| CN113351475B true CN113351475B (en) | 2022-11-11 |
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| CN113770018B (en) * | 2021-09-27 | 2023-05-02 | 聊城市茌平区丰禾建材有限公司 | Can reduce energy loss's drum sand screening machine for building |
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