CN109759321B - Sand screening device capable of automatically overturning and separating stones - Google Patents

Sand screening device capable of automatically overturning and separating stones Download PDF

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Publication number
CN109759321B
CN109759321B CN201910253900.XA CN201910253900A CN109759321B CN 109759321 B CN109759321 B CN 109759321B CN 201910253900 A CN201910253900 A CN 201910253900A CN 109759321 B CN109759321 B CN 109759321B
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disc
sieve
driving wheel
driving
adjusting disc
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CN109759321A (en
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沙峰峰
杨红玉
罗曙东
吴志强
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Anhui Quyang Construction Co.,Ltd.
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Anhui Quyang Construction Co ltd
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Abstract

A sand screening device capable of automatically overturning and separating stones can well improve the sand screening quality and efficiency and can well realize the stone separation; the technical scheme for solving the problem comprises a shell, wherein a sieve plate is arranged in the shell, one end of the sieve plate is connected with a rotary table, one side of the rotary table is provided with a driving disc, and a first torsion spring is connected between the rotary table and the shell; the rear side of the turntable is provided with an adjusting disc, the rear side of the adjusting disc is connected with a second torsion spring, ratchets are arranged on the outer edge of the adjusting disc, a driving wheel is arranged on the rear side of the driving wheel, a bayonet lock is arranged on the outer edge surface of the driving wheel, a supporting plate is arranged on the right side of the adjusting disc, a chuck capable of stretching left and right is arranged on the supporting plate, a wedge block is arranged on the upper portion of the end surface of the adjusting disc, facing the turntable, a front and back telescopic pin is arranged on the upper portion and the lower portion of the end surface of the turntable, facing the adjusting disc, the telescopic pin can be in contact with the wedge block after the adjusting disc rotates 180 degrees, and the turntable can only rotate in one direction after the telescopic pin is in contact with the wedge block; the invention has novel conception and smart structure.

Description

Sand screening device capable of automatically overturning and separating stones
Technical Field
The invention relates to the technical field of sand screening, in particular to a sand screening device capable of automatically overturning and separating stones.
Background
In the building work progress, the sand often needs to be used, the sand needs to be screened before using, present screening sand device, at the screening sand in-process, mostly arrange the sieve slope, like this, can directly separate the stone, but fine sand also has partly by the separation in the screening process, need carry out the secondary screening, also some sieves are horizontal arrangement now, can effectual improvement screening quality, but the accumulation of big stone can influence screening efficiency, when now carrying out the separation of big stone, mostly the shut down of adopting blows, frequent shut down can influence work efficiency, but not clear up the damage that can cause the screen cloth.
It is therefore necessary to design a device that can guarantee both the screening quality and the screening efficiency.
Disclosure of Invention
Aiming at the situation, in order to overcome the defects of the prior art, the invention provides the sand screening device capable of automatically overturning and separating the stones, which can well improve the sand screening quality and efficiency, can well realize the separation of the stones, and is simple to operate and convenient to use.
The technical scheme includes that the device comprises a shell, the left side wall and the right side wall of the upper portion of the shell are of arc structures, a rotatable sieve plate is arranged inside the shell, a pin shaft is connected onto the sieve plate, the sieve plate can rotate around the pin shaft, the pin shaft on the sieve plate penetrates through the rear side wall of the shell and is arranged outside the shell, one end of the rear side of the sieve plate penetrates through the rear side wall of the shell and is arranged outside the shell, one end of the sieve plate, which is arranged outside the shell, is connected with a rotary table, one side of the rotary table is provided with a rotatable driving disc, the rotary table can be driven to rotate intermittently by rotation of the driving disc, a first torsion spring is connected between the rotary table and the shell, and the sieve plate can rotate reversely under the action of the first torsion spring to form a structure that the sieve plate swings back and forth under the action of the driving disc and the first torsion spring;
the rear side of the turntable is provided with an adjusting disc which is arranged in parallel with the turntable, a second torsion spring is connected between one end of the rear side of the adjusting disc and the base part, the outer edge of the adjusting disc is provided with a plurality of ratchets which are uniformly distributed on the circumference, the rear side of the driving disc is provided with a driving wheel which is arranged in parallel with the driving disc, the driving wheel and the driving disc synchronously rotate, the outer edge surface of the driving wheel is provided with a plurality of bayonet locks which are uniformly distributed on the circumference and can be extended and retracted inwards and outwards along the radial direction of the driving wheel, the rotation of the driving wheel can drive the unidirectional rotation of the adjusting disc through the cooperation of the bayonet locks and the ratchets, the right side of the adjusting disc is provided with a supporting plate, the supporting plate is provided with a chuck which can be extended and retracted leftwards, and the restriction on the unidirectional rotation of the adjusting disc can be realized when the chuck extends out of the supporting plate;
the upper portion of the end face, facing the rotary disc, of the adjusting disc is provided with a plurality of uniformly distributed wedge blocks, the upper portion and the lower portion of the end face, facing the adjusting disc, of the rotary disc are provided with a telescopic pin capable of stretching back and forth, the telescopic pin can be in contact with the wedge blocks after the adjusting disc rotates 180 degrees, and the rotary disc can only rotate in a single direction after the telescopic pin is in contact with the wedge blocks.
The invention has novel conception and smart structure, can well realize the improvement of the quality and the efficiency of sand screening, can well realize the separation of stones, and has simple operation and convenient use.
Drawings
FIG. 1 is a front view of the present invention.
FIG. 2 is a top view of the present invention.
Fig. 3 is a front view of the adjusting disk and chuck position of the present invention.
Fig. 4 is a partially enlarged view of fig. 2 according to the present invention.
FIG. 5 is a schematic view of the cooperation between the upper support rod of the turntable and the upper push rod of the driving disk according to the present invention.
Fig. 6 is a front sectional view of the driving wheel of the present invention.
Fig. 7 is a partially enlarged view of fig. 1 according to the present invention.
Detailed Description
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.
As shown in fig. 1-7, the invention includes a housing 1, the left and right side walls of the upper part of the housing 1 are arc structures, a rotatable sieve plate 2 is arranged inside the housing 1, a pin shaft is connected to the sieve plate 2, the sieve plate can rotate around the pin shaft, the pin shaft on the sieve plate 2 penetrates through the rear side wall of the housing 1 and is arranged outside the housing 1, one end of the sieve plate 2 arranged outside the housing 1 is connected to a turntable 3, one side of the turntable 3 is provided with a rotatable driving disc 4, the rotation of the driving disc 4 can drive the turntable 3 to rotate intermittently, a first torsion spring 5 is connected between the turntable 3 and the housing 1, the sieve plate 2 can rotate reversely under the action of the first torsion spring 5, and a structure that the sieve plate 2 swings back and forth under the action of the driving disc 4 and the first torsion spring 5 is formed;
the rear side of the rotary table 3 is provided with an adjusting disc 6 which is arranged in parallel with the rotary table 3, a second torsion spring 7 is connected between one end of the rear side of the adjusting disc 6 and the base part, the outer edge of the adjusting disc 6 is provided with a plurality of ratchets 8 which are uniformly distributed on the circumference, the rear side of the driving disc 4 is provided with a driving wheel 9 which is arranged in parallel with the driving wheel, the driving wheel 9 and the driving disc 4 synchronously rotate, the outer edge surface of the driving wheel 9 is provided with a plurality of bayonet locks 10 which are uniformly distributed on the circumference and can be extended and retracted along the radial direction of the driving wheel 9, the rotation of the driving wheel 9 drives the unidirectional rotation of the adjusting disc 6 through the matching of the bayonet locks 10 and the ratchets 8, the right side of the adjusting disc 6 is provided with a supporting plate 11, the supporting plate 11 is provided with a chuck 12 which can be extended and retracted left and right, and the chuck 12 can realize the unidirectional rotation limitation of the adjusting disc 6 when extending out of the supporting plate 11;
the upper portion of the end face, facing the rotary disc 3, of the adjusting disc 6 is provided with a plurality of uniformly distributed wedge blocks 13, the upper portion and the lower portion of the end face, facing the adjusting disc 6, of the rotary disc 3 are provided with a telescopic pin 14 capable of stretching back and forth, the telescopic pin 14 can be in contact with the wedge blocks 13 after the adjusting disc 6 rotates 180 degrees, and the rotary disc 3 can only rotate in a single direction after the telescopic pin 14 is in contact with the wedge blocks 13.
Casing 1's arc lateral wall lower part seted up discharge gate 15, the lower extreme of sieve 2 is equipped with the cowl 16 of laminating mutually with the arc inboard wall, when sieve 2 reciprocating swing under the effect of driving-disc 4, cowl 16 can shutoff discharge gate 15, when sieve 2 unidirectional rotation under wedge 13 and telescopic pin 14's effect, sieve 2 can rotate to sieve 2 up end relative with discharge gate 15, cowl 16 can't shutoff discharge gate 15 this moment.
In order to realize that the driving disc 4 can rotate to drive the turntable 3 intermittently, a plurality of push rods 17 which are uniformly distributed on the circumference of the driving disc 4 are arranged on the excircle of the turntable 3, a plurality of uniformly distributed support rods 18 are arranged on the excircle of the turntable 3, the push rods 17 can be contacted with the support rods 18, and the driving disc 4 can drive the support rods 18 to drive the turntable 3 intermittently through the push rods 17.
In order to realize the radial inward and outward extension of the bayonet 10, an electromagnet 19 is arranged in the center of the driving wheel 9, a magnetic block 20 is arranged at one end, facing the electromagnet 19, of the bayonet 10, the electromagnet 19 is electrified in the forward direction to enable the bayonet 10 to extend out of the outer edge surface of the driving wheel 9 under the action of magnetic repulsion, and the electromagnet 19 is electrified in the reverse direction to enable the bayonet 10 to retract into the driving wheel 9 under the action of magnetic attraction.
In order to realize the extension and retraction of the chuck 12 and the telescopic pin 14, the left end of the chuck 12 is connected with a magnetic block 20 through a spring, the left end of the magnetic block 20 is provided with an electromagnet 19, the chuck 12 can extend out of the supporting plate 11 to be contacted with the ratchet 8 under the action of magnetic repulsion when the electromagnet 19 is electrified in the forward direction, the chuck 12 can retract into the supporting plate 11 under the action of magnetic attraction when the electromagnet 19 is electrified in the reverse direction, one end of the front side of the telescopic pin 14 is connected with the magnetic block 20 through the spring, the front side end of the magnetic block 20 is provided with the electromagnet 19, the telescopic pin 14 can extend out of the rotary plate 3 to be contacted with the wedge block 13 under the action of magnetic repulsion when the electromagnet 19 is electrified in the forward direction, and the telescopic pin 14 can retract into the rotary plate 3 under the action of magnetic attraction when the electromagnet 19 is electrified in the reverse direction.
For better ejection of compact, the arc inside wall on be equipped with the recess 21 of arranging discharge gate 15 below in, install the fixture block 22 that can follow the inside and outside flexible of arc inside wall in the recess 21, when sieve 2 reciprocating motion, fixture block 22 contracts in recess 21 under cowl 16's effect, when sieve 2 rotated to its up end and discharge gate 15 relatively, fixture block 22 can pop out the up end of card at this moment at sieve 2.
In order to realize the control of the bayonet 10 and the pin hole, a sensor 23 is arranged at the position of the clamping block 22, a scraping plate 24 is arranged on the upper end surface of the sieve plate 2, and in an initial state, electromagnet 19 is switched on positively to make bayonet lock 10 stretch out of the outer edge surface of drive wheel 9, dop 12 stretches out of the outside of backup pad 11, telescopic pin 14 stretches out the terminal surface of carousel 3, scraper 24 is located one side of the opposite direction of fixture block 22, can control scraper 24 once at the up end reciprocating motion of sieve 2 after fixture block 22 pops out, scraper 24 can push fixture block 22 downwards when moving to fixture block 22 one side, make fixture block 22 shrink into recess 21, fixture block 22 shrinks into and can trigger sensor 23 in recess 21, sensor 23 sends a signal and can make electromagnet 19 switch on backward once, bayonet lock 10 can retract inside drive wheel 9 at this moment, dop 12 retracts inside backup pad 11, telescopic pin 14 retracts inside carousel 3, sieve 2 can reverse rotation under the effect of first torsional spring 5 and resume to the horizontality this moment.
When the sand screening device is used specifically, a feed inlet is arranged above a shell 1, a driving disc 4 is connected to a driving motor, when sand is required to be screened, sand is input into the shell 1 through the feed inlet, the sand firstly stays above a screen plate 2, the driving motor is started, when the sand screening device is in an initial state, a bayonet 10 extends out of the outer edge surface of a driving wheel 9, a chuck 12 extends out of a supporting plate 11, a telescopic pin 14 extends out of the end surface of a rotary disc 3, a wedge-shaped block 13 is positioned at the uppermost position, the rotation of the driving motor drives the driving disc 4 and the driving wheel 9 to rotate, the rotation of the driving disc 4 pushes a support rod 18 to drive the rotary disc 3 to rotate through a push rod 17, the rotary disc 3 rotates to further drive the screen plate 2 to rotate, the rotary disc 3 can intermittently drive the rotary disc 3 to rotate due to the driving disc 4, a first torsion spring 5 is connected between the rotary disc 3 and the shell 1, the screen plate 2 can intermittently push the rotary disc 3 to drive the rotary disc 3 to reversely rotate through the driving disc 4, the reciprocating swing of the sieve plate 2 is realized through the matching of the driving disc 4 and the first torsion spring 5; at the moment, the vibration effect on sand above the sieve plate 2 can be well realized, the screening efficiency of the sand can be effectively improved, and at the moment, because the vibration amplitude of the sieve plate 2 is smaller, the arc-shaped baffle plate 16 below the sieve plate 2 can always block the discharge hole 15 in the vibration process of the sieve plate 2, and the sieve plate is in a sand screening state, screened fine sand can fall into the lower part of the shell 1, so that the fine sand is prevented from flowing out of the shell 1 through the discharge hole 15 to cause waste;
after working for a period of time, stones remain above the sieve plate 2, and the accumulated stones occupy the surface of the sieve plate 2, so that the screening efficiency is reduced, and the stones need to be separated; the concrete structure is as follows; the driving wheel 9 can drive the adjusting disk 6 to rotate unidirectionally through the clamping pin 10 in the rotating process, the adjusting disk 6 cannot reset due to the existence of the clamping head 12 after rotating unidirectionally, along with the rotation of the driving wheel 9, when the adjusting disk 6 rotates 180 degrees, the wedge-shaped block 13 on the adjusting disk 6 rotates to the lowest part, at the moment, the telescopic pin 14 is designed at the lowest position of the rotating disk 3, the telescopic pin 14 is opposite to the wedge-shaped block 13, at the moment, the rotating disk 3 can rotate unidirectionally under the action of the telescopic pin 14 and the wedge-shaped block 13, at the moment, the rotating disk 3 cannot reset under the action of the first torsion spring 5, at the moment, the driving disk 4 can gradually push the rotating disk 3 to rotate, the rotating angle of the rotating disk 3 is larger and larger until the upper end face of the sieve plate 2 rotates to the position opposite to the discharge hole 15, at the moment, because the clamping block 22 arranged below the discharge hole 15 is arranged on the arc-shaped inner side wall of the shell 1, the clamping block 22 can be popped up and clamped at the upper end of the sieve plate 2, so that the sieve plate 2 inclines at a larger angle, meanwhile, the popping of the clamping block 22 can enable the scraping plate 24 to scrape on the upper end surface of the sieve plate 2 repeatedly, the scraping plate 24 can move back and forth once through the driving of the hydraulic telescopic rod, so that the stone remained above the sieve plate 2 can be effectively discharged from the discharge port 15, when the scraping plate 24 moves to one side of the discharge port 15, the scraping plate 24 can downwards extrude the clamping block 22, so that the clamping block 22 retracts into the groove 21, when the clamping block 22 retracts into the groove 21 and the sensor 23 is triggered, the clamping pin 10 retracts into the driving wheel 9, the clamping head 12 retracts into the supporting plate 11, the telescopic pin 14 retracts into the turntable 3, at the moment, the sieve plate 2 can reversely rotate to restore to a horizontal state under the action of the first torsion spring 5, and meanwhile, the adjusting plate 6 can also reset under the action of the second torsion spring 7 due to the absence of the clamping head 12 and the clamping head 10, at the moment, the cleaning work of the stones is finished once, the sand screening operation can be continuously carried out, and the whole process can be operated circularly.
According to the sand screening device, the rotary disc 3 and the adjusting disc 6 are designed to be matched with each other, so that the vibration effect of the sieve plate 2 can be improved under the action of the driving disc 4 and the first torsion spring 5 during sand screening operation, the sand screening efficiency is improved, meanwhile, the sieve plate 2 can be pushed to rotate greatly through the one-way rotation after the rotary disc 3 swings back and forth, separation and discharge of stones are effectively realized, and the sand screening quality and efficiency are further improved.
According to the invention, different motion states of the rotary table 3 are designed, sand is sieved through vibration by the initial reciprocating swing, and the subsequent mutual matching of the telescopic pin 14 and the wedge-shaped block 13 realizes the unidirectional rotation of the rotary table 3, the unidirectional rotation of the rotary table 3 can finally enable the upper end surface of the sieve plate 2 to rotate to the position of the discharge hole 15, the separation of stones can be well realized, and the whole process can be continuously and circularly operated.
The invention can automatically carry out the separation operation of screening sand and stones through program control.
The invention has novel conception and smart structure, can well realize the improvement of the quality and the efficiency of sand screening, can well realize the separation of stones, and has simple operation and convenient use.

Claims (7)

1. The utility model provides a screening sand device of automatic upset separation stone, a serial communication port, including casing (1), the upper portion left and right sides wall of casing (1) is the arc structure, casing (1) inside is equipped with rotatable sieve (2), be connected with the round pin axle on sieve (2), the sieve can rotate around the round pin axle, round pin axle on sieve (2) runs through the rear side wall of casing (1) and places in the outside of casing (1), the one end that sieve (2) were placed in the casing (1) outside is connected with carousel (3), one side of carousel (3) is equipped with rotatable driving-disc (4), the rotation of driving-disc (4) can drive carousel (3) intermittent type and rotate, be connected with first torsional spring (5) between carousel (3) and casing (1), sieve (2) can reverse rotation under the effect of first torsional spring (5), form sieve (2) under the effect of driving-disc (4) and first torsional spring (5) reciprocating swing's structure;
the rear side of the turntable (3) is provided with an adjusting disc (6) which is arranged in parallel with the turntable (3), a second torsion spring (7) is connected between one end of the rear side of the adjusting disc (6) and the base, the outer edge of the adjusting disc (6) is provided with a plurality of ratchets (8) which are uniformly distributed on the circumference, the rear side of the driving disc (4) is provided with a driving wheel (9) which is arranged in parallel with the driving disc, the driving wheel (9) and the driving disc (4) synchronously rotate, the outer edge surface of the driving wheel (9) is provided with a plurality of clamping pins (10) which are uniformly distributed on the circumference and can be extended and retracted along the radial direction of the driving wheel (9), the rotation of the driving wheel (9) can drive the unidirectional rotation of the adjusting disc (6) through the matching of the clamping pins (10) and the ratchets (8), the right side of the adjusting disc (6) is provided with a supporting plate (11), the supporting plate (11) is provided with a clamping head (12) which can be extended and retracted left and right, and can limit the unidirectional rotation of the adjusting disc (6) when the clamping head (12) extends out of the supporting plate (11);
the adjustable rotary table is characterized in that a plurality of uniformly distributed wedge blocks (13) are arranged on the upper portion of the end face, facing the rotary table (3), of the adjusting disc (6), a telescopic pin (14) capable of stretching back and forth is arranged on the upper portion and the lower portion of the end face, facing the adjusting disc (6), of the rotary table (3), the telescopic pin (14) can be in contact with the wedge blocks (13) after the adjusting disc (6) rotates 180 degrees, and the rotary table (3) can only rotate in a single direction after the telescopic pin (14) is in contact with the wedge blocks (13).
2. The sand screening device capable of automatically overturning and separating stones as claimed in claim 1, wherein a discharge port (15) is formed in the lower portion of the arc-shaped side wall of the shell (1), an arc-shaped baffle (16) attached to the arc-shaped inner side wall is arranged at the lower end of the sieve plate (2), when the sieve plate (2) swings in a reciprocating mode under the action of the driving disc (4), the discharge port (15) can be plugged by the arc-shaped baffle (16), when the sieve plate (2) rotates in a unidirectional mode under the action of the wedge-shaped block (13) and the telescopic pin (14), the sieve plate (2) can rotate to the position, opposite to the discharge port (15), of the upper end face of the sieve plate (2), and at the moment, the discharge port (15) cannot be plugged by the arc-shaped baffle (16).
3. The sand screening device for automatically overturning and separating stones according to claim 1, wherein a plurality of push rods (17) are uniformly distributed on the outer circle of the driving disk (4), a plurality of support rods (18) are uniformly distributed on the outer circle of the turntable (3), the push rods (17) can be in contact with the support rods (18), and the driving disk (4) can drive the support rods (18) to drive the turntable (3) to intermittently rotate through the push rods (17).
4. The sand screening device capable of automatically overturning and separating stones as claimed in claim 1, wherein an electromagnet (19) is arranged in the center of the driving wheel (9), a magnetic block (20) is arranged at one end of the bayonet lock (10) facing the electromagnet (19), the bayonet lock (10) can extend out of the outer edge surface of the driving wheel (9) under the action of magnetic repulsion when the electromagnet (19) is positively electrified, and the bayonet lock (10) can retract into the driving wheel (9) under the action of magnetic attraction when the electromagnet (19) is reversely electrified.
5. The sand screen apparatus for automatically turning over and separating stone blocks as claimed in claim 1, the left end of dop (12) through spring coupling have magnetic path (20), the left end of magnetic path (20) is equipped with electro-magnet (19), electro-magnet (19) forward circular telegram can make dop (12) stretch out backup pad (11) and ratchet (8) contact under the effect of magnetic force mutual exclusion, electro-magnet (19) reverse circular telegram can make dop (12) retract inside backup pad (11) under the effect of magnetic force attraction, the front side one end of telescopic pin (14) has magnetic path (20) through spring coupling, the front side of magnetic path (20) is equipped with electro-magnet (19), electro-magnet (19) forward circular telegram can make telescopic pin (14) stretch out carousel (3) and contact with wedge (13) under the effect of magnetic force mutual exclusion, electro-magnet (19) reverse circular telegram can make telescopic pin (14) retract inside carousel (3) under the effect of magnetic force attraction.
6. The sand screening device capable of automatically overturning and separating stones as claimed in claim 1, wherein a groove (21) is formed in the arc-shaped inner side wall and below the discharge port (15), a clamping block (22) capable of extending along the inner side and the outer side of the arc-shaped inner side wall is installed in the groove (21), when the sieve plate (2) swings in a reciprocating manner, the clamping block (22) is retracted in the groove (21) under the action of the arc-shaped baffle (16), the sieve plate (2) rotates until the upper end surface of the sieve plate faces the discharge port (15), and at the moment, the clamping block (22) can be popped up and clamped on the upper end surface of the sieve plate (2).
7. The sand screening device capable of automatically overturning and separating stones according to claim 6, wherein a sensor (23) is arranged at the position of the clamping block (22), a scraping plate (24) is arranged on the upper end surface of the screen plate (2), in an initial state, the electromagnet (19) is powered on in the forward direction to enable the clamping block (10) to extend out of the outer edge surface of the driving wheel (9), the clamping head (12) extends out of the supporting plate (11), the telescopic pin (14) extends out of the end surface of the rotating disc (3), the scraping plate (24) is located on one side opposite to the clamping block (22), after the clamping block (22) is ejected, the scraping plate (24) is controlled to reciprocate once on the upper end surface of the screen plate (2), when the scraping plate (24) moves to one side of the clamping block (22), the clamping block (22) is pushed downwards to retract into the groove (21), and the clamping block (22) retracts into the groove (21) to trigger the sensor (, the sensor (23) sends a signal to enable the electromagnet (19) to be electrified once in the reverse direction, the clamping pin (10) retracts into the driving wheel (9), the clamping head (12) retracts into the supporting plate (11), the telescopic pin (14) retracts into the rotary disc (3), and the sieve plate (2) can rotate reversely to return to the horizontal state under the action of the first torsion spring (5).
CN201910253900.XA 2019-03-30 2019-03-30 Sand screening device capable of automatically overturning and separating stones Active CN109759321B (en)

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