CN114100762A - Full-automatic intelligent loading device for sand and stone materials - Google Patents

Full-automatic intelligent loading device for sand and stone materials Download PDF

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Publication number
CN114100762A
CN114100762A CN202111435757.XA CN202111435757A CN114100762A CN 114100762 A CN114100762 A CN 114100762A CN 202111435757 A CN202111435757 A CN 202111435757A CN 114100762 A CN114100762 A CN 114100762A
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CN
China
Prior art keywords
screening
grit
plate
motor
screening box
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Granted
Application number
CN202111435757.XA
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Chinese (zh)
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CN114100762B (en
Inventor
王云
林仕建
林国法
梁世行
陈盛炳
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Jiaxian Zhonghe Building Materials Co ltd
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Jiaxian Zhonghe Building Materials Co ltd
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Priority to CN202111435757.XA priority Critical patent/CN114100762B/en
Publication of CN114100762A publication Critical patent/CN114100762A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C4/00Crushing or disintegrating by roller mills
    • B02C4/10Crushing or disintegrating by roller mills with a roller co-operating with a stationary member
    • B02C4/12Crushing or disintegrating by roller mills with a roller co-operating with a stationary member in the form of a plate
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C23/00Auxiliary 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
    • B02C23/02Feeding devices
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C23/00Auxiliary 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
    • B02C23/08Separating or sorting of material, associated with crushing or disintegrating
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C25/00Control arrangements specially adapted for crushing or disintegrating
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B07SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07BSEPARATING 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
    • B07B1/00Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
    • B07B1/46Constructional details of screens in general; Cleaning or heating of screens
    • B07B1/50Cleaning
    • B07B1/52Cleaning with brushes or scrapers
    • B07B1/526Cleaning with brushes or scrapers with scrapers

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  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Disintegrating Or Milling (AREA)

Abstract

The application relates to the technical field of aggregate processing, in particular to an aggregate full-automatic intelligent loading device which comprises a screening box and a belt conveyor, wherein the screening box is supported on the ground through a support, the belt conveyor is obliquely arranged, a feeding hopper and a discharge port are respectively arranged on the upper side and the lower side of the screening box, and the lower end of the belt conveyor is positioned right below the discharge port; the screening box is internally provided with a screening mechanism and a material guide mechanism which are obliquely arranged, the high end of the screening mechanism is positioned under the feed hopper, and the low end of the screening mechanism and the inner side wall of the screening box are arranged at intervals and enclose a blanking cavity; the high end of the material guide mechanism is positioned right below the blanking cavity, and a crushing mechanism arranged on the screening box is arranged between the blanking cavity and the material guide mechanism; the side part of the screening box is provided with a discharge port positioned at the crushing mechanism; a material baffle plate is arranged on the upper side of the belt conveyor; the end part of the material baffle plate is provided with a material guide channel, and one end of the material guide channel, which is far away from the material baffle plate, is communicated with the blanking cavity. This application can improve the loading efficiency of grit.

Description

Full-automatic intelligent loading device for sand and stone materials
Technical Field
The application relates to the technical field of grit material processing, especially, relate to a full-automatic intelligent loading device of grit material.
Background
Sandstone is one of the raw materials required for building construction, and is generally obtained from local materials in order to reduce construction cost. The workman carries out the excavation of grit through digging the machine earlier, then utilizes the freight train to transport the grit to the building site on. The local source of sand contains relatively large stones which are to be screened out and discarded, so that a sand screening device is required to screen the required sand.
Present grit sieving mechanism places subaerial through the support body, digs the grit and various stones that the machine will excavate and unload the screen cloth on, and less grit just drops subaerially below the screen cloth through the screen cloth, and bigger stone is then along the screen cloth landing to the subaerial of screen cloth one side. Then in the grit loading process, the workman need utilize to dig the machine and load the grit after the screening from the ground to the freight train in, such repeated operation has reduced the loading work efficiency of grit, consequently needs to improve.
Disclosure of Invention
In order to improve the loading efficiency of grit, this application provides a full-automatic intelligent loading device of grit material.
The application provides a pair of full-automatic intelligent loading device of grit material adopts following technical scheme: a full-automatic intelligent loading device for sand and stone materials comprises a screening box and a belt conveyor, wherein the screening box is supported on the ground through a support, the belt conveyor is obliquely arranged, a feeding hopper and a discharge port are respectively arranged on the upper side and the lower side of the screening box, and the lower end of the belt conveyor is positioned right below the discharge port;
the screening box is internally provided with a screening mechanism and a material guide mechanism which are obliquely arranged, the screening mechanism is used for blocking large sand stones, the high end of the screening mechanism is positioned under the feed hopper, and the low end of the screening mechanism and the inner side wall of the screening box are arranged at intervals and enclose a blanking cavity; the high end of the material guide mechanism is positioned right below the blanking cavity, a crushing mechanism arranged on the screening box is arranged between the blanking cavity and the material guide mechanism, and the crushing mechanism is used for crushing large sandstone and medium sandstone; the side part of the screening box is provided with a discharge port positioned at the crushing mechanism;
a material baffle plate for blocking medium sand is arranged on the upper side of the belt conveyor, the material baffle plate is arranged in a V shape, and the distance between the middle part of the material baffle plate and the high end of the belt conveyor is larger than the distance between the end part of the material baffle plate and the belt conveyor; the tip of striker plate is equipped with the guide passageway that is arranged in carrying grit and little grit, and the one end intercommunication in the blanking chamber that the guide passageway was kept away from in the striker plate, and the height that the guide passageway was located reduces gradually to the screening case from the striker plate.
Through adopting above-mentioned technical scheme, at the loading in-process of grit, dig the machine and will pour the grit of digging out into the feeder hopper, the grit in the feeder hopper will drop on the screening mechanism, well grit and little grit will pass screening mechanism and discharge to the band conveyer from the discharge gate on, big grit will pass the blanking chamber and is smashed by rubbing crusher mechanism along the incline direction gliding of screening mechanism, the slope direction gliding of smashing well grit and little grit after will along guide mechanism passes the discharge gate and discharges to the band conveyer on, unable big grit of smashing will unable follow and pass between rubbing crusher mechanism and the guide mechanism, so that the workman clears up it away from the bin outlet.
Well grit and little grit that fall on band conveyer will be carried by the slope upwards, well grit and little grit are to the motion conflict in the striker plate, the striker plate will be the little grit of piling to band conveyer's limit portion guide, make little grit pile shakeout, well grit will be by the limit portion direction to band conveyer's of striker plate limit portion, make well grit and partial little grit enter into the screening incasement through the guide passageway and pass on the blanking chamber drops rubbing crusher constructs, well grit will be smashed by rubbing crusher constructs and drop to band conveyer through guide mechanism and discharge gate on, band conveyer will carry little grit to the freight train in.
In conclusion, the screening mechanism is only used for blocking the big gravel and guiding the big gravel to the crushing mechanism, so that the screening efficiency of the screening mechanism on the gravel is improved; the striker plate will be shakeout the little grit on band conveyer, and guide passageway will guide well grit to rubbing crusher structure department, and rubbing crusher structure will smash big grit and well grit into little grit, and band conveyer will carry little grit in the freight train, can't be discharged from the bin outlet by kibbling big grit and well grit, has improved the loading efficiency of grit.
Optionally, screening mechanism is including being the sieve and a plurality of bases of installing on the screening case that the slope set up, and the sieve passes through spring coupling in base, and the high-end of screening is located the feeder hopper under, and the low side of sieve is located blanking chamber department.
Through adopting above-mentioned technical scheme, after the grit dropped on the sieve, the spring will take place deformation for the sieve constantly shakes, so that the sieve screens the grit.
Optionally, the crushing mechanism includes two crushing rollers arranged in sequence along the inclination direction of the material guiding mechanism and two first motors installed on the screening box, an output shaft of each first motor is connected to the crushing roller, and the distance between the crushing roller with the higher height and the material guiding mechanism is greater than the distance between the crushing roller with the lower height and the material guiding mechanism.
Through adopting above-mentioned technical scheme, the higher crushing roller of place height is used for becoming well grit with big grit crushing, and the lower crushing roller of place height is used for becoming little grit with well grit crushing, and two crushing rollers are used for the grit of broken different specifications respectively, have improved the crushing efficiency of grit.
Optionally, the guide mechanism is including being the stock guide that the slope set up, and the high-end of stock guide is located blanking chamber under and has enclosed the row's of confession grit to pass material chamber jointly with the inside wall of screening case.
Through adopting above-mentioned technical scheme, at the in-process of the broken grit of crushing roller, can't be pushed the bin outlet by crushing roller by broken big grit and well grit and partial little grit, little grit will drop from the discharge chamber and fall to band conveyer through the discharge gate on, big grit and well grit will be through the discharge chamber and discharge from the bin outlet.
Optionally, a first closing plate for closing the discharge opening is rotatably connected to the opening wall of the discharge opening through a horizontal shaft, and an axis of the horizontal shaft is located above a center of gravity of the first closing plate.
By adopting the technical scheme, the object always tends to be in a state of lower gravity center, so that the first closing plate naturally falls and is closed at the discharge port when no external force is applied to the first closing plate; when big grit and medium grit that can't be broken and part are pushed to discharge opening department by the crushing roller, little grit is because of its weight is less, so its gain potential energy is less, and little grit will not be able to push up first closing plate, so little grit will bounce and fall from discharge chamber on first closing plate, big grit and medium grit is because of weight is great, so its gain potential energy is great, and big grit and medium grit will push up first closing plate and discharge from the discharge opening.
Optionally, discharge opening department is equipped with the flitch down that is the slope and sets up, and the incline direction of flitch is on a parallel with one side that the screening case was equipped with the bin outlet down, and the high-end of flitch is located discharge opening department and installs on the screening case down, and the low side of flitch is supported subaerial down, and the flitch is kept away from in one side of screening case and is installed the guard plate down.
Through adopting above-mentioned technical scheme, from the big grit of bin outlet discharge and well grit will be blockked by the guard plate for on big grit and well grit are difficult for splashing the person, big grit and well grit that are blockked will slide to subaerial along the incline direction of flitch down, so that the clearance.
Optionally, the top of sieve is equipped with clearance mechanism, and clearance mechanism is including installing second motor on the screening case, reciprocating lead screw and gag lever post the same with sieve incline direction, conflict in the scraper blade of sieve upper surface, and the output shaft of second motor is in reciprocating lead screw, and reciprocating lead screw rotates to be connected in screening case and screw-thread fit in scraper blade, and the gag lever post is installed on the screening case and is worn to locate the scraper blade in the slip.
Through adopting above-mentioned technical scheme, the reciprocal lead screw of second motor accessible drives the axial motion of scraper blade along the gag lever post for the upper surface of sieve is strikeed off to the scraper blade is reciprocal, makes the sieve mesh on the sieve be difficult for blockking up.
Optionally, the material guiding mechanism further comprises a shielding plate and a material collecting hopper which are installed on the screening box, the shielding plate is obliquely arranged and is located right below the screening plate, the high end of the shielding plate is located right below the low end of the screening plate, and the high end of the shielding plate and the inner side wall of the screening box are arranged at intervals and jointly enclose a material discharging cavity; an opening at the upper end of the material collecting hopper is positioned right below the lower end of the material guide plate;
the device comprises a screening box, a first sealing plate, a second sealing plate, a third motor, a processor, an infrared sensor and a timer, wherein the first sealing plate is rotatably connected to the lower end of the collecting hopper;
when the infrared sensor detects the gravel, the infrared sensor transmits a timing signal to the processor, and the processor controls the timer to start timing; when the infrared sensor cannot detect the gravel, the infrared sensor transmits a closing signal to the processor, and the processor controls the timer to close; when the timer times to the preset time length, the timer transmits a cleaning signal to the processor, and the processor controls the second motor and the third motor to start for a specified time length, so that the second motor drives the scraper to do reciprocating motion once through the reciprocating screw rod, and the third motor drives the second sealing plate to do reciprocating motion once.
Through adopting above-mentioned technical scheme, the grit that passes the sieve will be on shielding plate upper surface gliding and discharge band conveyer through the discharge gate, and the grit that does not pass the sieve will pass the blanking chamber and fall on the stock guide, and little grit will fall to the aggregate bin through the stock guide with by the broken grit of crushing roller in, and the third motor will drive the second closing plate part and seal in the lower extreme opening of aggregate bin for the grit in the aggregate bin can continuously discharge.
After the sieve mesh on the sieve was blockked up by the part, the grit volume that passes the sieve will reduce, and the grit volume that does not pass the sieve will increase, so the grit volume that falls into in the collecting hopper through the stock guide will increase, and the grit in the collecting hopper will unable in time be discharged from the lower extreme opening of collecting hopper for the grit volume in the collecting hopper increases gradually, so infrared sensor will continuously detect the grit and to the processor transmission timing signal, and the treater will control the time-recorder and begin the timing.
When the time-recorder timing to the time length of predetermineeing, the time-recorder will launch clearance signal to the treater, and the treater will control second motor and third motor and open appointed length of time, and the second motor will drive the scraper blade through reciprocal lead screw and be a reciprocating motion, and the grit that blocks up the sieve mesh will be struck off in the motion to the scraper blade, and the third motor will drive the second closing plate and be a reciprocating motion for the lower extreme opening of collecting hopper reduces after increasing earlier, so that the grit in the collecting hopper can in time discharge.
Drawings
FIG. 1 is a schematic diagram of the overall structure in the embodiment of the present application;
FIG. 2 is a schematic view showing the inside of a screen box in the embodiment of the present application;
FIG. 3 is a schematic structural diagram showing a screening mechanism, a material guiding mechanism, a crushing mechanism, a cleaning mechanism and a control mechanism in an embodiment of the present application;
FIG. 4 is a schematic sectional view showing a screening box in the embodiment of the present application;
fig. 5 is a schematic structural view showing a belt conveyor in the embodiment of the present application.
Reference numerals: 1. a screening box; 11. a support; 12. a feed hopper; 13. a discharge port; 14. a discharge outlet; 15. a first closing plate; 151. a first horizontal axis; 16. a blanking plate; 17. a protection plate; 2. a belt conveyor; 21. a striker plate; 22. a material guide channel; 3. a screening mechanism; 31. a sieve plate; 32. a base; 33. a spring; 34. a blanking cavity; 4. a material guiding mechanism; 41. a material guide plate; 42. a discharge chamber; 43. a shielding plate; 44. a discharge cavity; 45. a collection hopper; 5. a crushing mechanism; 51. a crushing roller; 52. a first motor; 6. a cleaning mechanism; 61. a second motor; 62. a reciprocating screw rod; 63. a limiting rod; 64. a squeegee; 7. a control mechanism; 71. a second closing plate; 72. a third motor; 73. a processor; 74. an infrared sensor; 75. a timer.
Detailed Description
The present application is described in further detail below with reference to figures 1-5.
The embodiment of the application discloses full-automatic intelligent loading device of grit material. As shown in figures 1 and 2, a full-automatic intelligent loading device of grit material includes supports screening case 1 subaerial and the band conveyer 2 that is the slope and sets up through support 11, and the upper and lower both sides of screening case 1 are equipped with feeder hopper 12 and discharge gate 13 respectively, and the low side of band conveyer 2 is located discharge gate 13 under, and the high end of band conveyer 2 is used for carrying the grit to the freight train in.
As shown in fig. 2 and 3, be equipped with screening mechanism 3 in screening case 1, screening mechanism 3 is including being sieve 31 and a plurality of base 32 of installing on screening case 1 that the slope set up, and sieve 31 passes through spring 33 to be connected in base 32, and the high-end of screening is located feeder hopper 12 under, and the low side of sieve 31 is the interval with the inside wall of screening case 1 and sets up and has enclosed into blanking chamber 34.
In the loading process of the gravels, the excavator pours the excavated gravels into the feed hopper 12, the gravels in the feed hopper 12 fall onto the sieve plate 31, the spring 33 deforms, so that the sieve plate 31 vibrates continuously, the medium gravels and the small gravels pass through the sieve plate 31 and are discharged from the discharge hole 13 to the belt conveyor 2, and the large gravels slide down along the inclined direction of the sieve plate 31 and pass through the blanking cavity 34.
As shown in fig. 3 and 4, a material guiding mechanism 4 is arranged below the blanking chamber 34, the material guiding mechanism 4 includes a material guiding plate 41 and a shielding plate 43 which are obliquely arranged, a high end of the shielding plate 43 is located right below a low end of the screen plate 31, a high end of the shielding plate 43 and an inner side wall of the screening box 1 are arranged at intervals and jointly enclose a material discharging chamber 44, sand passing through the screen plate 31 slides down on an upper surface of the shielding plate 43 to pass through the material discharging chamber 44 and is discharged onto the belt conveyor 2 through the material discharging hole 13, and the shielding plate 43 makes the sand passing through the screen plate 31 not easily fall onto the material guiding plate 41.
The high-end of stock guide 41 is located blanking chamber 34 directly below, be equipped with rubbing crusher 5 between blanking chamber 34 and the guide mechanism 4, rubbing crusher 5 includes two crushing rollers 51 and two first motors 52 of installing on the screening case 1 lateral wall of arranging in proper order along the incline direction of stock guide 41, the output shaft of first motor 52 is in crushing roller 51, first motor 52 can drive the rotatory broken big grit that falls onto stock guide 41 of crushing roller 51, the broken little grit that forms will slide down and discharge belt conveyor 2 on from discharge gate 13 on the upper surface of stock guide 41.
As shown in fig. 1, 2 and 5, a striker plate 21 is installed on the upper side of the belt conveyor 2, the striker plate 21 is arranged in a V shape, and the distance between the middle part of the striker plate 21 and the high end of the belt conveyor 2 is greater than the distance between the end part of the striker plate 21 and the belt conveyor 2. Well grit and little grit that fall on band conveyer 2 will be carried by the slope upwards, and well grit and little grit are to the motion conflict in striker plate 21, and striker plate 21 will be the little grit of piling to the limit portion guide of band conveyer 2 for little grit is piled up, and well grit will be guided to the limit portion of band conveyer 2 by the limit portion of striker plate 21.
Guide channel 22 is all installed at the both ends of striker plate 21, guide channel 22 is kept away from the one end in striker plate 21 and is linked together in blanking chamber 34, the height that guide channel 22 was located reduces gradually to screening case 1 from striker plate 21, the well grit and the little grit of part that are guided to striker plate 21 tip will enter into screening case 1 and pass blanking chamber 34 through guide channel 22 and drop on stock guide 41, well grit will be smashed by crushing roller 51 and drop on band conveyer 2 through stock guide 41 and discharge gate 13, band conveyer 2 will carry little grit to the freight train in.
As shown in fig. 4, it should be noted that the distance between the crushing roller 51 with a higher height and the upper surface of the material guiding plate 41 is greater than the distance between the crushing roller 51 with a lower height and the upper surface of the material guiding plate 41, so that the crushing roller 51 with a higher height is used for crushing large gravel into medium gravel, the crushing roller 51 with a lower height is used for crushing medium gravel into small gravel, and the two crushing rollers 51 are respectively used for crushing gravel with different specifications, thereby improving the efficiency of crushing gravel.
The high end of stock guide 41 has enclosed into row material chamber 42 with the inside wall of screening case 1 jointly, and the lateral part of screening case 1 is equipped with the bin outlet 14 that is located row material chamber 42 department, has connected with first closing plate 15 through the horizontal axis rotation on the oral wall of bin outlet 14, and the axis of horizontal axis is located the top of first closing plate 15 focus. Since the object always tends to have a low center of gravity, the first closing plate 15 will naturally hang down and close the discharge opening 14 when no external force is applied to the first closing plate 15.
During the process of crushing the gravels by the crushing roller 51, large gravels and medium gravels which cannot be crushed and a part of small gravels are pushed to the discharge opening 14 by the crushing roller 51, a large part of small gravels fall from the discharge cavity 42 and fall onto the belt conveyor 2 through the discharge opening 13, and the large gravels and medium gravels which cannot be crushed and a small part of small gravels which pass through the discharge cavity 42 collide with the first closing plate 15; the small sand, due to its low weight, will gain less potential energy and will not be able to lift the first closure plate 15 open, so it will bounce on the first closure plate 15 and fall from the discharge chamber 42, and the large sand, due to its high weight, and the medium sand, which will gain more potential energy, will lift the first closure plate 15 open and discharge from the discharge opening 14.
As shown in fig. 2, a discharging plate 16 is obliquely arranged at the discharging opening 14, the oblique direction of the discharging plate 16 is parallel to the side of the screening box 1 where the discharging opening 14 is arranged, the high end of the discharging plate 16 is located at the discharging opening 14 and is installed on the screening box 1, the low end of the discharging plate 16 is supported on the ground, and a protection plate 17 is installed at the side of the discharging plate 16 far away from the screening box 1. The large sand and the medium sand discharged from the discharge port 14 will be blocked by the shielding plate 17 so that the large sand and the medium sand are not easily splashed onto a human body, and the blocked large sand and medium sand will slide down to the ground along the inclined direction of the blanking plate 16 for cleaning.
As shown in fig. 2 to 4, a cleaning mechanism 6 is disposed above the screen plate 31, the cleaning mechanism 6 includes a second motor 61 mounted on the screen box 1, a reciprocating screw 62 and a limiting rod 63 which have the same inclination direction as the screen plate 31, and a scraping plate 64 abutting against the upper surface of the screen plate 31, an output shaft of the second motor 61 is connected to the reciprocating screw 62, the reciprocating screw 62 is rotatably connected to the screen box 1 and is in threaded fit with the scraping plate 64, and the limiting rod 63 is mounted on the screen box 1 and slidably penetrates through the scraping plate 64. The second motor 61 can drive the scraping plate 64 to move along the axial direction of the limiting rod 63 through the reciprocating screw rod 62, so that the scraping plate 64 can scrape the upper surface of the sieve plate 31 in a reciprocating manner, and sieve holes in the sieve plate 31 are not easy to block.
The material guiding mechanism 4 further comprises a material collecting hopper 45 installed on the screening box 1, and an opening at the upper end of the material collecting hopper 45 is located right below the lower end of the material guiding plate 41. The screening box 1 is provided with a control mechanism 7, the control mechanism 7 comprises a second closing plate 71 rotatably connected to the lower end of the aggregate bin 45, a third motor 72 and a processor 73 which are installed on the screening box 1, an infrared sensor 74 and a timer 75 which are installed at the upper end of the aggregate bin 45, the output shaft of the third motor 72 is connected to the second closing plate 71, and the second motor 61, the third motor 72, the infrared sensor 74 and the timer 75 are all coupled to the processor 73.
The gravels falling from the material guiding plate 41 fall into the aggregate bin 45, and the third motor 72 drives the second closing plate 71 to partially close the lower end opening of the aggregate bin 45, so that the gravels in the aggregate bin 45 can be continuously discharged; when the infrared sensor 74 detects sand, the infrared sensor 74 transmits a timing signal to the processor 73, and the processor 73 controls the timer 75 to start timing; the infrared sensor 74 therefore intermittently detects sand, so that when no sand is detected by the infrared sensor 74, the infrared sensor 74 will transmit a switch off signal to the processor 73 and the processor 73 will control the timer 75 to switch off.
After the sieve mesh on the sieve plate 31 is partially blocked, the amount of the sand passing through the sieve plate 31 is reduced, the amount of the sand not passing through the sieve plate 31 is increased, so the amount of the sand falling into the aggregate hopper 45 through the material guide plate 41 is increased, the sand in the aggregate hopper 45 cannot be discharged from the lower end opening of the aggregate hopper 45 in time, the amount of the sand in the aggregate hopper 45 is gradually increased, so the infrared sensor 74 continuously detects the sand and transmits a timing signal to the processor 73, and the processor 73 controls the timer 75 to start timing.
When the timer 75 times to predetermineeing the duration, in this embodiment, it is 2s to predetermineeing the duration, the timer 75 will be to the clear signal of treater 73 transmission, the processor 73 will control second motor 61 and third motor 72 and open appointed duration, second motor 61 will drive scraper blade 64 through reciprocal lead screw 62 and be a reciprocating motion, scraper blade 64 will move and strike off the grit that blocks up the sieve mesh of sieve 31, third motor 72 will drive second closing plate 71 and be a reciprocating motion, make the lower extreme opening of collecting hopper 45 increase earlier the back and reduce, so that the grit in the collecting hopper 45 can in time be discharged.
The implementation principle of the full-automatic intelligent loading device of grit material of the embodiment of the application is as follows: during loading of the sand, the excavator drops the excavated sand onto the screen plate 31 through the feed hopper 12, the medium sand and the small sand pass through the screen plate 31 and the discharge chamber 44 and are discharged from the discharge port 13 onto the belt conveyor 2, and the large sand slides down along the inclined direction of the screen plate 31, passes through the blanking chamber 34 and falls onto the material guide plate 41.
Well grit and little grit that fall on band conveyer 2 will be carried by the slope upwards, and striker plate 21 will be flattened the little grit heap of piling, and well grit will be guided to the limit portion of band conveyer 2 by the limit portion of striker plate 21 for well grit and some little grit enter into screening case 1 through guide passageway 22 and pass blanking chamber 34 and drop on the stock guide 41.
The first motor 52 will drive the crushing roller 51 to crush the large and medium gravels on the guide plate 41 into small gravels, most of the small gravels will fall from the discharge chamber 42 and fall onto the belt conveyor 2 through the aggregate hopper 45 and the discharge port 13, the large and medium gravels which cannot be crushed and part of the small gravels will be pushed to the discharge port 14 by the crushing roller 51, the small gravels will bounce on the first closing plate 15 and fall from the discharge chamber 42, and the large and medium gravels will push the first closing plate 15 open and discharge from the discharge port 14.
When the sieve holes on the sieve plate 31 are partially blocked, the amount of sand in the aggregate bin 45 is gradually increased, the infrared sensor 74 continuously detects the sand and transmits a timing signal to the processor 73, and the processor 73 controls the timer 75 to start timing; when the timer 75 times to the preset time duration, the timer 75 transmits a cleaning signal to the processor 73, the processor 73 controls the second motor 61 and the third motor 72 to open the specified time duration, the second motor 61 scrapes off sand blocking the sieve holes of the sieve plate 31 through the movement of the reciprocating screw rod 62, and the third motor 72 drives the second closing plate 71 to rotate, so that the lower end opening of the aggregate hopper 45 is increased and then reduced, and the sand blocking the aggregate hopper 45 can be discharged in time.
To sum up, this application has realized the separation of different specification grit, big grit and the crushing and the collection of well grit, the clearance of sieve 31, the transport of little grit to the loading efficiency of grit has been improved.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (8)

1. The utility model provides a full-automatic intelligent loading device of grit material which characterized in that: the screening device comprises a screening box (1) and a belt conveyor (2), wherein the screening box (1) is supported on the ground through a support (11), the belt conveyor (2) is obliquely arranged, a feed hopper (12) and a discharge hole (13) are respectively arranged on the upper side and the lower side of the screening box (1), and the lower end of the belt conveyor (2) is positioned right below the discharge hole (13);
a screening mechanism (3) and a material guide mechanism (4) which are obliquely arranged are arranged in the screening box (1), the screening mechanism (3) is used for blocking large sand stones, the high end of the screening mechanism (3) is positioned right below the feed hopper (12), and the low end of the screening mechanism (3) and the inner side wall of the screening box (1) are arranged at intervals and enclose a blanking cavity (34); the high end of the material guide mechanism (4) is positioned right below the blanking cavity (34), a crushing mechanism (5) arranged on the screening box (1) is arranged between the blanking cavity (34) and the material guide mechanism (4), and the crushing mechanism (5) is used for crushing large sand stones and medium sand stones; the side part of the screening box (1) is provided with a discharge opening (14) positioned at the crushing mechanism (5);
a material baffle plate (21) for blocking medium sand is arranged on the upper side of the belt conveyor (2), the material baffle plate (21) is arranged in a V shape, and the distance between the middle part of the material baffle plate (21) and the high end of the belt conveyor (2) is greater than the distance between the end part of the material baffle plate (21) and the belt conveyor (2); the tip of striker plate (21) is equipped with guide channel (22) that are arranged in carrying grit and little grit, and guide channel (22) are kept away from the one end in striker plate (21) and are linked together in blanking chamber (34), and the height that guide channel (22) were located reduces gradually to screening case (1) from striker plate (21).
2. The full-automatic intelligent loading device of grit material of claim 1, characterized in that: screening mechanism (3) are including being sieve (31) and a plurality of base (32) of installing on screening case (1) that the slope set up, and sieve (31) are connected in base (32) through spring (33), and the high-end of screening is located feeder hopper (12) under, and the low side of sieve (31) is located blanking chamber (34) department.
3. The full-automatic intelligent loading device of grit material of claim 2, characterized in that: the crushing mechanism (5) comprises two crushing rollers (51) which are sequentially arranged along the inclined direction of the material guide mechanism (4) and two first motors (52) which are installed on the screening box (1), the output shafts of the first motors (52) are connected to the crushing rollers (51), and the distance between the crushing roller (51) with the higher height and the material guide mechanism (4) is greater than the distance between the crushing roller (51) with the lower height and the material guide mechanism (4).
4. The full-automatic intelligent loading device of grit material of claim 3, characterized in that: guide mechanism (4) are including being stock guide (41) that the slope set up, and the high-end of stock guide (41) is located blanking chamber (34) under and encloses into row material chamber (42) that supply little grit to pass with the inside wall of screening case (1) jointly.
5. The full-automatic intelligent loading device of grit material of claim 4, characterized in that: the opening wall of the discharge opening (14) is rotatably connected with a first closing plate (15) used for closing the discharge opening (14) through a horizontal shaft, and the axis of the horizontal shaft is positioned above the gravity center of the first closing plate (15).
6. The full-automatic intelligent loading device of grit material of claim 5, characterized in that: discharge gate (14) department is equipped with down flitch (16) that is the slope and sets up, and the incline direction of flitch (16) is on a parallel with one side that screening case (1) was equipped with discharge gate (14) down, and the high-end of flitch (16) of down is located discharge gate (14) department and installs on screening case (1), and the low side of flitch (16) of down supports subaerial, and flitch (16) of down are kept away from in one side of screening case (1) and are installed guard plate (17).
7. The full-automatic intelligent loading device of grit material of claim 4, characterized in that: the top of sieve (31) is equipped with clearance mechanism (6), clearance mechanism (6) including installing second motor (61) on screening case (1), reciprocal lead screw (62) and gag lever post (63) the same with sieve (31) incline direction, conflict in scraper blade (64) of sieve (31) upper surface, the output shaft of second motor (61) is in reciprocal lead screw (62), reciprocal lead screw (62) rotate to be connected in screening case (1) and screw-thread fit in scraper blade (64), gag lever post (63) are installed on screening case (1) and are slided and wear to locate scraper blade (64).
8. The full-automatic intelligent loading device of grit material of claim 7, characterized in that: the material guide mechanism (4) further comprises a baffle plate (43) and a material collecting hopper (45) which are arranged on the screening box (1), the baffle plate (43) is obliquely arranged and is positioned right below the screening plate (31), the high end of the baffle plate (43) is positioned right below the low end of the screening plate (31), and the high end of the baffle plate (43) and the inner side wall of the screening box (1) are arranged at intervals and jointly enclose a material discharging cavity (44); an opening at the upper end of the material collecting hopper (45) is positioned right below the lower end of the material guide plate (41);
the screening device is characterized by further comprising a control mechanism (7), wherein the control mechanism (7) comprises a second sealing plate (71) rotatably connected to the lower end of the aggregate bin (45), a third motor (72) and a processor (73) which are installed on the screening box (1), and an infrared sensor (74) and a timer (75) which are installed at the upper end of the aggregate bin (45), an output shaft of the third motor (72) is connected to the second sealing plate (71) and used for driving the second sealing plate (71) to be partially sealed in an opening at the lower end of the aggregate bin (45), and the second motor (61), the third motor (72), the infrared sensor (74) and the timer (75) are all coupled to the processor (73);
when the infrared sensor (74) detects sand, the infrared sensor (74) transmits a timing signal to the processor (73), and the processor (73) controls the timer (75) to start timing; when the infrared sensor (74) can not detect the sand, the infrared sensor (74) transmits a closing signal to the processor (73), and the processor (73) controls the timer (75) to close; when the timer (75) times to a preset time length, the timer (75) transmits a cleaning signal to the processor (73), and the processor (73) controls the second motor (61) and the third motor (72) to be started for a specified time length, so that the second motor (61) drives the scraper (64) to do reciprocating motion once through the reciprocating screw rod (62), and the third motor (72) drives the second sealing plate (71) to do reciprocating motion once.
CN202111435757.XA 2021-11-29 2021-11-29 Full-automatic intelligent loading device for sand and stone materials Active CN114100762B (en)

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Publication number Priority date Publication date Assignee Title
CN116493095A (en) * 2023-04-10 2023-07-28 大冶市紫乾金属制品有限公司 Steel forging screening equipment of ball mill
CN117225529A (en) * 2023-11-16 2023-12-15 德通建设集团有限公司 Sand and stone screening device for building construction and use method
CN117886143A (en) * 2024-03-16 2024-04-16 山金重工有限公司 Auxiliary loading device for loading mine car of scraper
CN118060166A (en) * 2024-04-22 2024-05-24 齐齐哈尔九洲环境能源有限公司 Impurity removing device for biomass fuel production

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CN210522611U (en) * 2019-05-28 2020-05-15 广州市泰和混凝土有限公司 Sandstone discharging device
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GB2055790A (en) * 1979-08-08 1981-03-11 Miller J H Selective recovery of light non- ferrous metal containers
AU8038582A (en) * 1981-02-28 1982-09-09 Ernst Braun Crushing material to uniform size
CN102700929A (en) * 2012-06-04 2012-10-03 李大山 Uniform feeding device with vibrating screen
CN205023450U (en) * 2015-09-29 2016-02-10 谢洪波 Modified coal plough
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116493095A (en) * 2023-04-10 2023-07-28 大冶市紫乾金属制品有限公司 Steel forging screening equipment of ball mill
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CN117886143A (en) * 2024-03-16 2024-04-16 山金重工有限公司 Auxiliary loading device for loading mine car of scraper
CN117886143B (en) * 2024-03-16 2024-06-21 山金重工有限公司 Auxiliary loading device for loading mine car of scraper
CN118060166A (en) * 2024-04-22 2024-05-24 齐齐哈尔九洲环境能源有限公司 Impurity removing device for biomass fuel production

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