CN114054335B - High-efficient screening sand machine - Google Patents
High-efficient screening sand machine Download PDFInfo
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- CN114054335B CN114054335B CN202210031520.3A CN202210031520A CN114054335B CN 114054335 B CN114054335 B CN 114054335B CN 202210031520 A CN202210031520 A CN 202210031520A CN 114054335 B CN114054335 B CN 114054335B
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- Prior art keywords
- sand
- roller
- assembly
- feeding
- discharging
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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
- B07B1/18—Drum screens
- B07B1/22—Revolving drums
- B07B1/26—Revolving drums with additional axial or radial movement of the drum
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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
Abstract
The invention is suitable for the technical field of sand screening, and provides an efficient sand screening machine which comprises a sand screening assembly, wherein one end of the sand screening assembly is movably connected with a driving assembly and a feeding assembly, and the other end of the sand screening assembly is provided with a guiding assembly and a discharging assembly; the sand screening assembly comprises a roller, a feeding pipeline of the feeding assembly extends into the roller, and a supporting shaft is arranged at the other end of the roller; a discharging channel is arranged in the supporting shaft, and a rotatable spiral discharging rod is arranged in the discharging channel; one end of the spiral discharging rod is positioned in the roller, and the spiral discharging rod positioned in the roller is provided with the discharging assembly. Therefore, the invention can realize continuous sand inlet and sand outlet, reduce manual operation, realize the rolling of the roller and simultaneously swing, and greatly improve the screening efficiency.
Description
Technical Field
The invention relates to the technical field of sand screening, in particular to a high-efficiency sand screening machine.
Background
Sand is an essential basic raw material in the field of construction, various impurities such as broken stones, garbage and the like exist in the sand, sand grains in the sand are also classified into different grades, the purposes are different, and the required sand has different grain size grades, so that sand screening equipment is required for screening sand before the sand is utilized.
However, in the sand screening process of the existing building sand screening equipment, the sand in the roller needs to be discharged in a pause mode, so that manual operation is needed on one hand, and the sand screening efficiency is reduced on the other hand.
In view of the above, the prior art is obviously inconvenient and disadvantageous in practical use, and needs to be improved.
Disclosure of Invention
Aiming at the defects, the invention aims to provide the high-efficiency sand screening machine which is simple in structure and convenient to use, realizes continuous sand feeding and sand discharging, reduces manual operation, can swing while realizing rolling of a roller, and greatly improves screening efficiency.
In order to achieve the aim, the invention provides an efficient sand screening machine which comprises a sand screening assembly, wherein one end of the sand screening assembly is movably connected with a driving assembly and a feeding assembly, and the other end of the sand screening assembly is provided with a guiding assembly and a discharging assembly; the sand screening component comprises a roller with screen holes distributed in the circumferential direction, a feeding pipeline of the feeding component extends into the roller from the middle of the end surface of one end of the roller, which is vertical to the roller, and a supporting shaft which is vertical to the end surface is arranged in the middle of the end surface of the other end of the roller; a discharging channel is arranged in the supporting shaft, and a rotatable spiral discharging rod is arranged in the discharging channel; one end of the spiral discharging rod is positioned in the roller, the spiral discharging rod positioned in the roller is provided with the discharging assembly, the discharging assembly comprises a connecting shaft fixedly connected on the spiral discharging rod, the connecting shaft penetrates out of the supporting shaft and is fixedly connected with two first limiting rods, the top ends of the two first limiting rods are symmetrically and fixedly connected with the two sides of the bottom of the connecting shaft, the bottom ends of the two first limiting rods are mutually far away and are fixedly connected with a horizontal second limiting rod, a supporting column is clamped between the two second limiting rods, a rotating sleeve is fixedly connected above the supporting column, the rotating sleeve is rotatably sleeved on the periphery of the supporting shaft, the bottom of the supporting column is fixedly connected with a sand collecting hopper, a sand inlet of the sand collecting hopper faces to the rotating direction of the supporting column, the rotating direction of the supporting column is opposite to the rotating direction of the roller, and a sand discharging channel is arranged in the supporting column, one end of the sand discharge channel penetrates through the rotating sleeve, a discharge hole corresponding to the sand discharge channel is formed in the upper portion of the supporting shaft, and the discharge hole is communicated with the discharge channel in the supporting shaft; the driving assembly comprises a first gear rotationally connected with the feeding pipeline, a plurality of connecting rods are arranged between the first gear and the roller, a second gear meshed with the first gear is arranged at the lower part of the first gear, and one end of each connecting rod, far away from the first gear, extends into the roller; the roller is equipped with be equipped with the eccentric block on the terminal surface of the one end of back shaft, the eccentric block butt the positioning disk of direction subassembly, the middle part of positioning disk is equipped with the permission the shaft hole that the back shaft passed, the upper portion and the frame of positioning disk rotate to be connected, the lower part of positioning disk with be equipped with the extensible member between the frame, first gear with between the roller be equipped with elastic element on the charge-in pipeline.
According to the efficient sand screening machine, the inclination angle of the guide disc ranges from 35 degrees to 75 degrees.
According to the efficient sand screening machine, the inclination angle of the guide plate is 50 degrees.
According to the efficient sand screening machine, the sleeve is arranged at the joint of the roller and the connecting rod.
According to the efficient sand screening machine, the feeding assembly comprises the feeding hole, the feeding hole is connected with the feeding pipeline, and the spiral feeding rod is arranged in the feeding pipeline.
According to the efficient sand screening machine, the bottom of the sand collecting hopper is in an arc shape matched with the roller.
According to the efficient sand screening machine, the supporting shaft is provided with the limiting groove, the rotating sleeve is sleeved in the limiting groove, and the discharge port is formed in the upper part of the limiting groove.
According to the efficient sand screening machine, the number of the connecting rods is 2, and the 2 connecting rods are symmetrically arranged.
The invention aims to provide an efficient sand screening machine, by arranging a discharging assembly, sand can be discharged from a roller without stopping the device, the sand screening efficiency of the device is greatly improved, and manual operation is reduced; by arranging the driving assembly and the guide assembly, the roller can swing while rolling, noise generated by vibration can be avoided, the noise of the whole device is further reduced, and the swing amplitude of the device can be adjusted as required; through setting up the feeding subassembly, make the sand continuous spill in the wobbling cylinder, avoid the sand to spill on the same circumference position of cylinder, reduce the thickness of sand in the cylinder, very big improvement screening efficiency. The invention has the beneficial effects that: the continuous sand feeding and discharging are realized, the manual operation is reduced, the roller can swing while rolling is realized, and the screening efficiency is greatly improved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view of part A of FIG. 1;
FIG. 3 is a schematic structural view of the take-off assembly;
FIG. 4 is a schematic cross-sectional structural view of the support column;
FIG. 5 is a schematic view of the structure of the limiting groove and the discharge hole;
FIG. 6 is a schematic diagram of a side view of the spout;
in the figure: 11-a first vertical plate, 12-a second vertical plate; 21-roller, 22-sieve hole, 23-support shaft, 24-eccentric block, 251-limit groove, 252-discharge hole and 26-sleeve; 31-feed inlet, 32-feed conduit, 33-screw feed rod, 34-first drive member; 41-guide disc, 42-telescopic piece, 43-shaft hole, 44-elastic element, 51-first gear, 52-second gear, 53-second driving piece, 54-connecting rod; 6-spiral discharging rod, 61-third driving piece, 71-connecting shaft, 72-first limiting rod, 73-second limiting rod, 74-rotating sleeve, 75-supporting column and 76-sand collecting hopper.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
It should be noted that in the description of the present invention, the terms of direction or positional relationship indicated by the terms "upper", "lower", "left", "right", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, which are only for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
Furthermore, it should be noted that, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Referring to fig. 1, the invention provides a high-efficiency sand screening machine, which comprises a sand screening assembly, wherein one end of the sand screening assembly is movably connected with a driving assembly and a feeding assembly, the other end of the sand screening assembly is provided with a guiding assembly and a discharging assembly, and the driving assembly and the guiding assembly are fixedly connected on a rack.
The frame comprises a base, a first vertical plate 11 and a second vertical plate 12 which are vertically and parallelly fixedly connected on the base.
The feeding assembly sequentially passes through the first vertical plate 11 and the driving assembly from outside to inside and then is connected with the sand screening assembly, the feeding assembly comprises a feeding hole 31, the feeding hole 31 is connected with a feeding pipeline 32 horizontally arranged, a spiral feeding rod 33 is arranged in the feeding pipeline 32, one end of the spiral feeding rod 33 is fixedly connected with an output shaft of the first driving piece 34, and when sand enters the feeding pipeline 32 from the feeding hole 31, the spiral feeding rod 33 rotates under the driving of the first driving piece 34 to bring the sand into the sand screening assembly.
The sand screening assembly comprises a roller 21 with screen holes 22 distributed in the circumferential direction, a feed pipeline 32 is perpendicular to the middle of the end face of one end of the roller 21 and extends into the roller 21, the feed pipeline 32 can convey sand into the roller 21 on one hand, and on the other hand, the feed pipeline 32 can provide support for the roller 21. The middle part of the end face of the other end of the roller 21 is provided with a supporting shaft 23 which is perpendicular to the end face, the roller 21 is supported by the combined action of the feeding pipeline 32 and the supporting shaft 23, the supporting shaft 23 is fixedly connected to the second vertical plate 12 after penetrating through the guiding assembly, and the roller 21 can rotate relative to the feeding pipeline 32 and the supporting shaft 23 under the driving of the driving assembly.
The driving assembly comprises a first gear 51, a through hole for the feed pipeline 32 to pass through is formed in the middle of the first gear 51, a bearing is arranged between the through hole and the first gear 51, the bearing can enable the first gear 51 to rotate relative to the feed pipeline 32, the feed pipeline 32 can provide support for the first gear 51, a plurality of connecting rods 54 which are symmetrically and parallelly arranged are arranged between the first gear 51 and the roller 21, one ends, far away from the first gear 51, of the connecting rods 54 extend into the roller 21, and the roller 21 can be driven to rotate through the connecting rods 54 when the first gear 51 rotates; a second gear 52 engaged with the first gear 51 is provided at a lower portion of the first gear 51, and the second gear 52 is fixed to an output shaft of the second driver 53. When the second driving member 53 drives the second gear 52 to rotate, the second gear 52 drives the first gear 51, the first gear 51 rotates to drive the connecting rod 54 to rotate, the connecting rod 54 drives the roller 21 to rotate, and a bearing is arranged between the roller 21 and the feeding pipeline 32, so that the roller 21 can rotate relative to the feeding pipeline 32 without affecting feeding of the feeding pipeline 32.
Preferably, the number of the connecting rods 54 is two, and the two connecting rods 54 can stably drive the roller 21 to rotate.
An eccentric block 24 is arranged on the end face of one end, provided with a supporting shaft 23, of the roller 21, the eccentric block 24 can rotate along with the rotation of the roller 21, one end, far away from the roller 21, of the eccentric block 24 is abutted to a guide disc 41 of the guide assembly, a shaft hole 43 allowing the supporting shaft 23 to pass through is arranged in the middle of the guide disc 41, the upper portion of one side, close to the second vertical plate 12, of the guide disc 41 is rotatably connected with the second vertical plate 12, a telescopic piece 42 is arranged between the lower portion of one side, close to the second vertical plate 12, of the guide disc 41 and the second vertical plate 12, the inclination angle of the guide disc 41 relative to the second vertical plate 12 can be adjusted by adjusting the length of the telescopic piece 42, so that the swing amplitude of the roller 21 is adjusted, and the shaft hole 43 of the guide disc 41 is not abutted to the supporting shaft 23; and an elastic element 44 is arranged on the feeding pipeline 32 between the first gear 51 and the roller 21, and the elastic force of the elastic element 44 can enable the eccentric block 24 and the guide disc 41 to be in a contact state all the time.
One end of the telescopic member 42 is fixedly connected to the second vertical plate 12, and the other end of the telescopic member 42 is rotatably connected to the guide plate 41, and the telescopic member 42 is an existing telescopic member with a telescopic function, and will not be described herein again.
When the eccentric block 24 rotates to drive the eccentric block 24 to rotate, the eccentric block 24 abuts against the guide disc 41 which is obliquely arranged, when the eccentric block 24 rotates to the upper part of the guide disc 41 in the figure, the distance between the roller 21 and the guide disc 41 is lengthened, at the moment, the roller 21 can swing along the feeding pipeline 32 and the support shaft 23 to the direction close to the guide disc 41 under the action of the elastic force of the elastic element 44, when the eccentric block 24 rotates to the lower part of the guide disc 41 in the figure, the distance between the roller 21 and the guide disc 41 is shortened, the eccentric block 24 presses the guide disc 41 to enable the reaction force generated by the guide disc 41 to press the eccentric block 24 and drive the roller 21 to swing along the feeding pipeline 32 and the support shaft 23 to the direction far away from the guide disc 41, and in such circulation, the screening of the roller 21 rotating while swinging can be realized, on the one hand, compared with the existing vibrating screening sand, the noise can be reduced, on the other hand, because the roller 21 swings left and right along the feeding pipeline 32, and the discharge hole of the feeding pipeline 32 is always positioned in the roller 21, so when the roller 21 swings left and right, the sand in the feeding pipeline 32 is continuously sprinkled in the swinging roller 21, the sand is prevented from being sprinkled on the same circumferential position of the roller 21, the thickness of the sand in the roller 21 is reduced, and the screening efficiency is greatly improved.
Preferably, the inclination angle a of the guide disc 41 is 35-75 °, when the inclination angle is smaller than 35 °, the inclination angle of the guide disc 41 is too large, and the guide disc 41 easily collides with the drum 21; when the inclination angle is larger than 75 degrees, the inclination angle of the guide disc 41 is too small, the swing amplitude of the drum 21 is small, and the screening effect is poor. Preferably, the inclination angle a of the guide plate 41 of the present invention is 50 °, which not only prevents the guide plate 41 from colliding with the drum 21, but also improves the sieving effect of the drum 21.
Further, the sleeve 26 is provided at the connection point between the drum 21 and the connecting rod 54, and the drum 21 swings along the connecting rod 54 when swinging, so the sleeve 26 can stabilize the drum 21 when swinging.
Preferably, the resilient member 44 is a spring.
With reference to fig. 2 to 6, a discharge channel is arranged inside the support shaft 23, a spiral discharge rod 6 is arranged in the discharge channel, one end of the spiral discharge rod 6 extends out of the support shaft 23 and then is fixedly connected with a third driving member 61, and the third driving member 61 is fixedly connected to the support shaft 23; the other end of the spiral discharging rod 6 is positioned in the roller 21, a discharging component is arranged on the spiral discharging rod 6 positioned in the roller 21, the discharging component comprises a connecting shaft 71 fixedly connected to the other end of the spiral discharging rod 6, the connecting shaft 71 penetrates through the supporting shaft 23 and then is fixedly connected with two first limiting rods 72, the top ends of the two first limiting rods 72 are symmetrically and fixedly connected to two sides of the bottom of the connecting shaft 71, the bottom ends of the two first limiting rods 72 are far away from each other and are fixedly connected with horizontal second limiting rods 73, a supporting column 75 is clamped between the two second limiting rods 73, a rotating sleeve 74 is fixedly connected above the supporting column 75, the rotating sleeve 74 is rotatably sleeved on the periphery of the supporting shaft 23, a sand hopper 76 is fixedly received at the bottom of the supporting column 75, a sand inlet of the sand hopper 76 faces the rotating direction of the supporting column 75, the rotating direction of the supporting column 75 is opposite to the rotating direction of the roller 21, a sand discharging channel is arranged in the supporting column 75, one end of the sand discharging channel penetrates through the rotating sleeve 74, the upper part of the supporting shaft 23 is provided with a discharge port 252 corresponding to the sand discharge channel, the discharge port 252 is communicated with the discharge channel inside the supporting shaft 23, when the supporting column 75 rotates to the upper part of the supporting shaft 23, the sand discharge channel is communicated with the discharge port 252, the other end of the sand discharge channel is communicated with the sand inlet of the sand collecting hopper 76, when the third driving member 61 drives the spiral discharge rod 6 to rotate, the connecting shaft 71 fixedly connected with the spiral discharge rod 6 rotates to drive the two first limiting rods 72 and the two second limiting rods 73 to rotate, the supporting column 75 rotates due to the clamping of the supporting column 75 between the two second limiting rods 73, so that the sand collecting hopper 76 rotates, sand in the roller 21 is collected when the sand collecting hopper 76 rotates, the collected sand is screened, and when the sand collecting hopper 76 rotates to the upper part of the supporting shaft 23, the sand in the sand collecting hopper 76 falls downwards to the discharge port 252 arranged at the upper part of the supporting shaft 23 through the sand discharge channel under the action of gravity, and is arranged at the upper part of the supporting shaft 23 Enter into discharging channel in, and then driven discharge drum 21 by spiral discharge rod 6, need not stop the device just can discharge sand from drum 21 in, greatly improved the sieve husky efficiency of device, also reduced manual work.
Preferably, the distance between the bottom of the sand collecting hopper 76 and the inner wall of the roller 21 is 2-6 mm, if the sand collecting hopper 76 is directly abutted to the roller 21, the sand collecting hopper 76 and the inner wall of the roller 21 can rub, so that the service life of the device can be reduced, and if the distance between the bottom of the sand collecting hopper 76 and the inner wall of the roller 21 is greater than 6mm, the efficiency of discharging sand out of the roller 21 can be greatly reduced.
Furthermore, the supporting shaft 23 is provided with a limiting groove 251, the rotating sleeve 74 is rotatably sleeved in the limiting groove 251, the rotating sleeve 74 can be prevented from moving when rotating, and correspondingly, the discharge hole 252 is formed in the upper portion of the limiting groove 251.
It should be noted that the drum 21 does not collide with the discharging assembly when it is shaken left and right.
Preferably, the first drive member 34, the second drive member 53 and the third drive member 61 are all motors.
The working principle of the invention is as follows:
when sand enters the feeding pipeline 32 from the feeding hole 31, the spiral feeding rod 33 is driven by the first driving part 34 to rotate so as to bring the sand into the sand screening assembly, the second driving part 53 drives the second gear 52 to rotate, the second gear 52 drives the first gear 51, the first gear 51 rotates to drive the connecting rod 54 to rotate, the connecting rod 54 drives the roller 21 to rotate, and a bearing is arranged between the roller 21 and the feeding pipeline 32, so that the roller 21 can rotate relative to the feeding pipeline 32 without influencing feeding of the feeding pipeline 32; the roller 21 rotates to drive the eccentric block 24 to rotate, the eccentric block 24 abuts against the guide disc 41 which is obliquely arranged, when the eccentric block 24 rotates to the upper part of the guide disc 41 in the figure, the distance between the roller 21 and the guide disc 41 is lengthened, at the moment, the roller 21 can swing along the feeding pipeline 32 and the support shaft 23 to the direction close to the guide disc 41 under the action of the elastic force of the elastic element 44, when the eccentric block 24 rotates to the lower part of the guide disc 41 in the figure, the distance between the roller 21 and the guide disc 41 is shortened, the eccentric block 24 presses the guide disc 41 to enable the reaction force generated by the guide disc 41 to press the eccentric block 24 and drive the roller 21 to swing along the feeding pipeline 32 and the support shaft 23 to the direction far away from the guide disc 41, and in such circulation, the screening of the roller 21 rotating while swinging can be realized, on the one hand, compared with the existing vibrating screening sand, the noise generated by vibration can be avoided, and the noise of the whole device can be reduced, on the other hand, as the drum 21 swings left and right along the feeding pipeline 32 and the feeding pipeline 32 is always located in the drum 21, when the drum 21 swings left and right, the sand in the feeding pipeline 32 is continuously sprinkled in the swinging drum 21, thereby preventing the sand from sprinkling on the same circumferential position of the drum 21, reducing the thickness of the sand in the drum 21 and greatly improving the screening efficiency, the third driving member 61 drives the spiral discharging rod 6 to rotate, the connecting shaft 71 fixedly connected with the spiral discharging rod 6 rotates to drive the two first limiting rods 72 and the two second limiting rods 73 to rotate, as the supporting column 75 is clamped between the two second limiting rods 73, the supporting column 75 rotates, further the sand collecting hopper 76 rotates, the sand in the drum 21 is collected when the sand collecting hopper 76 rotates, and as the sand collecting hopper 76 is far away from the spiral feeding rod 33, the collected sand is screened, when the sand collecting hopper 76 rotates to the upper part of the supporting shaft 23, the sand in the sand collecting hopper 76 falls downwards through the sand discharging channel under the action of gravity at the discharging port 252 arranged at the upper part of the supporting shaft 23 and enters the discharging channel, and then is driven by the spiral discharging rod 6 to be discharged out of the roller 21, the sand can be discharged out of the roller 21 without stopping the device, the sand screening efficiency of the device is greatly improved, and manual operation is reduced.
In conclusion, the sand screening device has the advantages that the discharging assembly is arranged, sand can be discharged from the roller without stopping the device, the sand screening efficiency of the device is greatly improved, and manual operation is reduced; by arranging the driving assembly and the guide assembly, the roller can swing while rolling, noise generated by vibration can be avoided, the noise of the whole device is further reduced, and the swing amplitude of the device can be adjusted as required; through setting up the feeding subassembly, make the sand continuous spill in the wobbling cylinder, avoid the sand to spill on the same circumference position of cylinder, reduce the thickness of sand in the cylinder, very big improvement screening efficiency. The invention has the beneficial effects that: the continuous sand feeding and discharging are realized, the manual operation is reduced, the roller can swing while rolling is realized, and the screening efficiency is greatly improved.
The present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof, and it should be understood that various changes and modifications can be effected therein by one skilled in the art without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (7)
1. The efficient sand screening machine is characterized by comprising a sand screening assembly, wherein one end of the sand screening assembly is movably connected with a driving assembly and a feeding assembly, and the other end of the sand screening assembly is provided with a guide assembly and a discharging assembly;
the sand screening component comprises a roller with screen holes distributed in the circumferential direction, a feeding pipeline of the feeding component extends into the roller from the middle of the end surface of one end of the roller, which is vertical to the roller, and a supporting shaft which is vertical to the end surface is arranged in the middle of the end surface of the other end of the roller;
a discharging channel is arranged in the supporting shaft, and a rotatable spiral discharging rod is arranged in the discharging channel; one end of the spiral discharging rod is positioned in the roller, the spiral discharging rod positioned in the roller is provided with the discharging assembly, the discharging assembly comprises a connecting shaft fixedly connected on the spiral discharging rod, the connecting shaft penetrates out of the supporting shaft and is fixedly connected with two first limiting rods, the top ends of the two first limiting rods are symmetrically and fixedly connected with the two sides of the bottom of the connecting shaft, the bottom ends of the two first limiting rods are mutually far away and are fixedly connected with a horizontal second limiting rod, a supporting column is clamped between the two second limiting rods, a rotating sleeve is fixedly connected above the supporting column, the rotating sleeve is rotatably sleeved on the periphery of the supporting shaft, the bottom of the supporting column is fixedly connected with a sand collecting hopper, a sand inlet of the sand collecting hopper faces to the rotating direction of the supporting column, the rotating direction of the supporting column is opposite to the rotating direction of the roller, and a sand discharging channel is arranged in the supporting column, one end of the sand discharge channel penetrates through the rotating sleeve, a discharge hole corresponding to the sand discharge channel is formed in the upper portion of the supporting shaft, and the discharge hole is communicated with the discharge channel in the supporting shaft;
the driving assembly comprises a first gear rotationally connected with the feeding pipeline, a plurality of connecting rods are arranged between the first gear and the roller, a second gear meshed with the first gear is arranged at the lower part of the first gear, and one end of each connecting rod, far away from the first gear, extends into the roller;
an eccentric block is arranged on the end face of one end, provided with the supporting shaft, of the roller and abutted against a guide disc of the guide assembly, a shaft hole allowing the supporting shaft to penetrate is formed in the middle of the guide disc, the upper portion of the guide disc is rotatably connected with a rack, a telescopic piece is arranged between the lower portion of the guide disc and the rack, and an elastic element is arranged on the feeding pipeline between the first gear and the roller;
the feeding assembly comprises a feeding port, the feeding port is connected with a feeding pipeline, and a spiral feeding rod is arranged in the feeding pipeline.
2. The efficient sand screen of claim 1, wherein the angle of inclination of the deflector is in the range of 35 ° to 75 °.
3. A high efficiency sand screen as claimed in claim 2, wherein the angle of inclination of the guide plate is 50 °.
4. The efficient sand screen as recited in claim 1 wherein a sleeve is provided at the junction of said drum and said connecting rod.
5. The efficient sand screen as recited in claim 1 wherein said bottom of said sand hopper is arcuate in shape to fit said drum.
6. The efficient sand screening machine as claimed in claim 1, wherein a limit groove is provided on said support shaft, said rotating sleeve is sleeved in said limit groove, and said discharge port is provided at an upper portion of said limit groove.
7. A high efficiency sand screen as claimed in claim 1, wherein said number of said connecting rods is 2, and 2 of said connecting rods are symmetrically disposed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210031520.3A CN114054335B (en) | 2022-01-12 | 2022-01-12 | High-efficient screening sand machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210031520.3A CN114054335B (en) | 2022-01-12 | 2022-01-12 | High-efficient screening sand machine |
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| CN114054335A CN114054335A (en) | 2022-02-18 |
| CN114054335B true CN114054335B (en) | 2022-04-22 |
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| CN208527219U (en) * | 2018-06-11 | 2019-02-22 | 张保 | A kind of civil engineering sandstone screening plant |
| CN109158313A (en) * | 2018-10-12 | 2019-01-08 | 孙栋 | A kind of sieve sandstone separator for construction site |
| CN111437905A (en) * | 2020-04-08 | 2020-07-24 | 李彩蓉 | A feeding equipment for rice processing |
| CN213727661U (en) * | 2020-10-28 | 2021-07-20 | 海南天道种业有限公司 | Hybrid rice seed classified screening device |
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