CN115301528B - Toothed roller type sine roller screen for ore - Google Patents

Toothed roller type sine roller screen for ore Download PDF

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Publication number
CN115301528B
CN115301528B CN202210990471.6A CN202210990471A CN115301528B CN 115301528 B CN115301528 B CN 115301528B CN 202210990471 A CN202210990471 A CN 202210990471A CN 115301528 B CN115301528 B CN 115301528B
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China
Prior art keywords
side wall
rotating shaft
plate
roller screen
screening
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CN202210990471.6A
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Chinese (zh)
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CN115301528A (en
Inventor
李继领
张溪溪
谢晋
邱瑞雪
王程文
孙振博
王芳
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Anhui Huaxing Mineral Processing Technology Co ltd
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Anhui Huaxing Mineral Processing Technology Co ltd
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Priority to CN202210990471.6A priority Critical patent/CN115301528B/en
Publication of CN115301528A publication Critical patent/CN115301528A/en
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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
    • B07B1/12—Apparatus having only parallel elements
    • B07B1/14—Roller screens
    • B07B1/15—Roller screens using corrugated, grooved or ribbed rollers
    • 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
    • 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
    • B07B1/50—Cleaning
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
    • F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
    • F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
    • F16F15/06—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs
    • F16F15/067—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs using only wound springs

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Combined Means For Separation Of Solids (AREA)

Abstract

The invention relates to a roller screen technology, which is used for solving the problems that ores stacked below a roller screen obstruct the roller screen to normally rotate, the falling of the ores causes impact damage to the roller screen and dirt removal influences the normal rotation of a driving motor, and particularly relates to a toothed roller type sine roller screen for the ores, which comprises an outer shell; according to the invention, the rotation of the screening rotating shaft drives the scraping transmission belt to rotate, so that the ore screened by the roller screen cannot influence the normal rotation of the screening rotating shaft on the roller screen due to the fact that the ore is accumulated at the lower part and is too high, the falling speed of the ore falling from the feeding port is reduced under the action of the limiting spring through the buffer plate, the damage of the impact acting force to the screening rotating shaft is reduced, the flat volute spring is wound and tightened when the cleaning rotating shaft rotates, after the flat volute spring is tightened for a period of time, the connecting ring rotates under the action of the flat volute spring to clean up the dirt attached to the screening rotating shaft, and the rotation of the screening rotating shaft cannot be hindered in the cleaning process.

Description

Toothed roller type sine roller screen for ore
Technical Field
The invention relates to a roller screen technology, in particular to a toothed roller type sine roller screen for ores.
Background
The screen surface of the roller screen consists of a plurality of roller shafts which are arranged in parallel and are provided with screen trays in a staggered manner, the rollers rotate through the transmission of a chain wheel or a gear, and the rotating direction of the rollers is the same as the material flowing direction;
in the prior art, when a roller screen screens ores, the screened ores are accumulated below the roller screen, and the height of the ores below the roller screen is gradually increased in the accumulation process, so that the rotation of a screening rotating shaft is easily hindered after the accumulated ores are increased to a certain height, and the ores collide with equipment on the screening rotating shaft to cause equipment damage; when ores fall into the roller screen from the position of the feeding port and the freely falling ores contact with the screening rotating shaft in the roller screen, the ores easily collide with the screening rotating shaft, so that the screening rotating shaft is easily damaged; the structure for cleaning dirt attached to the outer side of equipment on the screening rotating shaft is arranged in the roller screen, and most of the structures are fixed at a specified position, so that the screening rotating shaft is subjected to removal of the dirt through mutual friction with the cleaning structure in the rotating process, and the rotation of the screening rotating shaft is blocked due to the resistance of the dirt attached in the removing process, so that the normal rotation of a driving motor of the roller screen is influenced, and the driving motor is easily damaged;
in view of the above technical problem, the present application proposes a solution.
Disclosure of Invention
The invention aims to drive a scraping transmission belt to rotate through the rotation of a screening rotating shaft, so that ores screened by a roller screen cannot influence the normal rotation of the screening rotating shaft on the roller screen due to the fact that the ores are stacked at the lower part and have too high height, the falling speed of the ores falling from a feeding port is reduced under the action of a limiting spring through a buffer plate, the damage of an impact acting force to the screening rotating shaft is reduced, a plane volute spring is wound and tightened when the cleaning rotating shaft rotates, after the volute spring is tightened for a period of time, dirt attached to the screening rotating shaft is cleaned through the rotation of a connecting ring under the action of the plane volute spring, the rotation of the screening rotating shaft cannot be hindered in the cleaning process, and the problems that the ores stacked below the roller screen hinder the normal rotation of the roller screen, the impact damage of the roller screen is caused by the falling ores and the normal rotation of a driving motor is influenced by dirt removal are solved, and the fluted roller sine roller screen for the ores is provided.
The purpose of the invention can be realized by the following technical scheme:
the utility model provides a fluted roller formula sinusoidal roller bearing sieve for ore, includes the shell body, shell body upper surface one side integrated into one piece has the pan feeding mouth, shell body inside wall below is connected with the underframe frame, the shell body inside wall is close to underframe frame top rotates the screening pivot that is connected with a plurality of evenly distributed, the shell body inside wall corresponds screening pivot position department is connected with the cleaning board, shell body lateral wall both sides correspond screening pivot position department is connected with the supporting seat, the hourglass material hole has been seted up to underframe frame upper surface both sides, underframe frame inside wall sliding connection has the flitch that gathers materials, underframe frame inside surface intermediate position department rotates through the striker plate and is connected with the transmission roller, the transmission roller lateral wall is connected with scrapes the material transmission band, scrape the flitch of scraping that material transmission band lateral wall is connected with a plurality of evenly distributed, the underframe frame lateral wall corresponds scrape material transmission band position department and seted up drive belt unloading hole, the underframe frame lateral wall corresponds unloading hole position department is connected with the support frame, the transmission is changeed the gear through the transmission runner transmission of transmission on transmission roller position department, the transmission commentaries on classics gear is connected with the pivot and is connected with the linkage.
As a preferred embodiment of the present invention, a vibration shaft is rotatably connected to a position on the inner side wall of the bottom frame near the aggregate plate, a plurality of vibration protrusions are uniformly distributed on the outer side wall of the vibration shaft, a driving rotating wheel is connected to one end of the vibration shaft exposed to the outer side of the bottom frame, and the driving rotating wheel is in transmission connection with a linkage rotating wheel connected to the screening rotating shaft through a transmission belt.
According to a preferred embodiment of the invention, the two sides of the inner side wall of the bottom frame are both provided with limiting chutes, the two sides of the outer side wall of the material collecting plate are integrally formed with sliding blocks at positions corresponding to the limiting chutes, the middle position of the inner side wall of the bottom frame is connected with a bottom supporting plate, a supporting plate is arranged above the bottom supporting plate, the lower surface of the supporting plate is connected with six vibration limiting rods, and the outer side wall of each vibration limiting rod, close to the upper part of the bottom supporting plate, is sleeved with a vibration spring.
As a preferred embodiment of the invention, two sides of the inner side wall of the feeding port are rotatably connected with buffer plates, the inner side wall of the feeding port is provided with an embedded groove at a position corresponding to the buffer plates, the lower surface of each buffer plate is connected with an arc-shaped frame, one end of each arc-shaped frame far away from the corresponding buffer plate is connected with a connecting plate, and one side of the outer side wall of each connecting plate, close to the feeding port, is connected with a plurality of uniformly distributed limiting springs.
As a preferred embodiment of the invention, a sliding cavity is arranged in the middle of the outer side wall of the supporting seat, sliding grooves are arranged on two sides of the inner side wall of the sliding cavity, the inner side wall of the sliding cavity is connected with a sliding block in a sliding manner, limited sliding blocks are integrally formed on two sides of the outer side wall of the sliding block corresponding to the positions of the sliding grooves, limiting insertion rods are connected to two sides of the lower surface of the sliding block, jacks are arranged on the lower surface of the sliding cavity corresponding to the positions of the limiting insertion rods, an adjusting spring is sleeved above the outer side wall of the limiting insertion rod, and a plurality of uniformly distributed balls are connected to the upper surface of the sliding block.
As a preferred embodiment of the invention, the inner side wall of the outer shell close to the lower part of the screening rotating shaft is rotatably connected with a plurality of connecting rings which are uniformly distributed through a cleaning rotating shaft, the outer side wall of each connecting ring is uniformly connected with three dirt scraping plates, dirt leaking holes are formed in the middle positions of the dirt scraping plates, cavities are formed in the connecting rings, flat spiral springs are connected in the cavities, the outer side wall of the cleaning rotating shaft corresponding to the connecting rings is connected with a fixed plate, the middle position of the upper surface of the fixed plate is connected with a movable block, and the outer side wall of each connecting ring corresponding to the movable block is provided with a limiting groove.
As a preferred embodiment of the invention, an elastic cavity is formed in the position, corresponding to the movable block, of the outer side wall of the fixed plate, the movable block is connected to the inner part of the elastic cavity through a power-on spring, a limiting plate is connected to one end, close to the inner part of the elastic cavity, of the movable block, and the size of the limiting plate is larger than that of an opening of the elastic cavity.
Compared with the prior art, the invention has the beneficial effects that:
1. the rotation of the screening rotating shaft drives the scraping transmission belt to rotate, so that the scraping plate on the scraping transmission belt pushes and moves ores on the material collecting plate and discharges the ores to the external environment at the position of the discharging hole, and the ores screened by the roller screen cannot influence the normal rotation of the screening rotating shaft on the roller screen and cause the damage of equipment due to the fact that the ores are stacked at the lower part and are too high;
2. the falling speed of ore falling from the feeding port is reduced under the action of the limiting spring through the buffer plate, so that the impact acting force of the ore falling onto the screening rotating shaft on the screening rotating shaft is reduced, and the adjusting spring on the inner side of the supporting seat can buffer the acting force applied to the screening rotating shaft again, so that the damage of the impact acting force on the screening rotating shaft is reduced, and the service life of the screening rotating shaft is prolonged;
3. drive the clearance pivot through the screening pivot and rotate, make the clearance pivot carry out the rolling to the spiral spring of plane when rotating and tighten up the operation, after tightening up a period, the movable block contracts elasticity intracavity portion after the circular telegram spring shrink, make the go-between rotate under the spiral spring of plane effect and clear up adnexed filth in the screening pivot, and the clearance in-process can not cause the hindrance to the rotation of screening pivot, influence roller screen driving motor's normal rotation.
Drawings
In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.
FIG. 1 is a main body structure view of the present invention;
FIG. 2 is a structural view of a bottom frame of the present invention;
FIG. 3 is an enlarged view of the portion A of FIG. 2 according to the present invention;
FIG. 4 is a bottom view of the invention shown in FIG. 2;
FIG. 5 is a structural view of a material collecting plate of the present invention;
FIG. 6 is a view showing the structure of a buffer plate according to the present invention;
FIG. 7 is a bottom view of the present invention shown in FIG. 6;
FIG. 8 is an enlarged view of the portion B of FIG. 7 according to the present invention;
FIG. 9 is a view of the arcuate frame structure of the present invention;
FIG. 10 is a view showing the construction of the cleaning spindle according to the present invention;
FIG. 11 is a view showing the structure of a connection ring according to the present invention;
in the figure: 1. an outer housing; 21. a material collecting plate; 22. a striker plate; 23. a material leaking hole; 24. a drive rotating gear; 25. a transmission rotating gear; 26. a transmission belt; 27. a support frame; 28. driving the rotating wheel; 29. a blanking hole; 210. a vibration shaft; 211. vibrating the bulge; 212. a limiting chute; 213. a bottom support plate; 214. vibrating the limiting rod; 215. a vibration spring; 216. a support plate; 217. a scraping plate; 218. scraping and conveying the material; 31. a buffer plate; 32. a connecting plate; 33. an arc-shaped frame; 34. a slider; 35. adjusting the spring; 36. a limiting inserted rod; 37. a sliding cavity; 38. a sliding groove; 39. a limiting spring; 41. cleaning the rotating shaft; 42. a sewage leakage hole; 43. a dirt scraping plate; 44. a connecting ring; 45. a limiting groove; 46. a movable block; 47. a flat spiral spring; 5. a feeding port; 6. a supporting seat; 7. a bottom frame; 8. cleaning the board; 9. and (4) screening the rotating shaft.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1:
referring to fig. 1-5, a toothed roller type sine roller screen for ore comprises an outer casing 1, a feeding port 5 is integrally formed at one side of the upper surface of the outer casing 1, a bottom frame 7 is connected below the inner side wall of the outer casing 1, a plurality of screening rotating shafts 9 uniformly distributed are rotatably connected on the inner side wall of the outer casing 1 near the upper side of the bottom frame 7, a cleaning plate 8 is connected at the position of the inner side wall of the outer casing 1 corresponding to the screening rotating shafts 9, a support seat 6 is connected at the position of the two sides of the outer side wall of the outer casing 1 corresponding to the screening rotating shafts 9, material leaking holes 23 are formed at the two sides of the upper surface of the bottom frame 7, a material collecting plate 21 is slidably connected on the inner side wall of the bottom frame 7, the material collecting plate 21 is a recessed structure with two inclined middle levels at two sides, a discharging hole 29 is rotatably connected at the middle position of the inner upper surface of the bottom frame 7 through a material baffle plate 22, a discharging transmission belt 218 is connected at the outer side wall of the transmission roller, the discharging transmission belt 218 is driven to rotate by the rotation of the screening rotating shaft 9, a plurality of material scraping transmission plates 217 uniformly distributed, a plurality of material discharging holes 29 are connected at the outer side wall of the scraping transmission belt 218, a plurality of the transmission belt 27 is connected at the position corresponding to a transmission belt 25, the transmission belt 25 connected to a transmission wheel 24, the transmission belt 25 is connected to a transmission wheel 24, the transmission belt 24, the transmission wheel 24, the transmission belt 25, the transmission belt 24, the transmission belt 25 is connected to the transmission wheel 24, and the transmission wheel 24, the inner side wall of the bottom frame 7 is rotatably connected with a vibration shaft 210 at a position close to the position of the material collecting plate 21, the outer side wall of the vibration shaft 210 is connected with a plurality of vibration protrusions 211 which are uniformly distributed, the vibration protrusions 211 surround the vibration shaft 210 to form a circle, the circle-shaped structure is uniformly distributed on the outer side wall of the vibration shaft 210, the vibration protrusions 211 intermittently jack up the material collecting plate 21 in the rotation process of the vibration shaft 210, the material collecting plate 21 slides up and down in the position of the limiting sliding groove 212, one end of the vibration shaft 210 exposed to the outer side of the bottom frame 7 is connected with a driving rotating wheel 28, the driving rotating wheel 28 is in transmission connection with a linkage rotating wheel connected with a screening rotating shaft 9 through a driving belt 26, the driving rotating wheel 28 can be driven to rotate through the screening rotating shaft 9 which is closest to the driving rotating wheel 28, the two sides of the inner side wall of the bottom frame 7 are respectively provided with the limiting sliding grooves 212, sliding blocks are integrally formed at positions corresponding to the limiting sliding grooves 212 at the two sides of the outer side wall of the material collecting plate 21, a bottom support plate 213 is connected with a bottom support plate 213, a bottom support plate 213 is arranged above the bottom support plate 213, a support plate 216 is arranged above the support plate 216, six vibration limiting rods 214 connected with the lower side, the vibration springs and a vibration plate 215 which can move after the vibration plates 21 and can move downwards, and the vibration plates 21, and a vibration plate 21 can move, and a vibration limiting spring 215 which can move downwards, and a vibration limiting spring 215 which can move after the vibration plate 21 moves upwards extrudes, and a vibration plate 21, and a vibration limiting spring which can move, and a lower plate 21 moves upwards extrudes;
in the prior art, when a roller screen screens ores, the screened ores are stacked below the roller screen, and the heights of the ores below the roller screen are gradually increased in the stacking process, so that the stacked ores are easy to hinder the rotation of a screening rotating shaft 9 after being increased to a certain height, and the ores collide with equipment on the screening rotating shaft 9 to cause equipment damage;
when the roller screen works, a linkage rotating wheel on a screening rotating shaft 9 can drive a driving rotating gear 24 to rotate through a driving belt 26, the driving rotating gear 24 and the driving rotating gear 25 are perpendicular to each other and are embedded with each other, the driving rotating gear 25 is in transmission connection with a transmission rotating wheel on a transmission roller through the driving belt 26, so that the screening rotating shaft 9 can drive a scraping transmission belt 218 to transmit, a scraping plate 217 connected to the scraping transmission belt 218 can push ores at the middle position of an aggregate plate 21 in the transmission process and push the ores to the position of a blanking hole 29 to discharge, the screened ores on the screening rotating shaft 9 can fall onto the aggregate plate 21 from the position of a leakage hole 23, the aggregate plate 21 can shake up and down under the action of a vibration bulge 211 on a rotating vibration shaft 210, so that the ores falling onto the aggregate plate 21 can slide down to the middle position of the aggregate plate 21, the aggregate plate 22 can prevent the ores from entering the middle position of the scraping transmission belt 218, normal transmission operation of the scraping transmission belt 218 is influenced, a support plate 216 and a vibration spring 215 are arranged, the extrusion distance between the ores sliding down from the upper inclined plane of the aggregate plate 21 to the aggregate plate 21, and the vibration shaft 210 can not be shortened, and the weight of the aggregate plate can be reduced.
Example 2:
as shown in fig. 6-9, two sides of the inner side wall of the material inlet 5 are rotatably connected with a buffer plate 31, a position of the inner side wall of the material inlet 5 corresponding to the buffer plate 31 is provided with an embedded groove, so that the buffer plate 31 can be embedded inside the embedded groove, the space inside the material inlet 5 is not affected, the lower surface of the buffer plate 31 is connected with an arc-shaped frame 33, a position of the inner wall of the material inlet 5 corresponding to the arc-shaped frame 33 is provided with an arc-shaped sliding hole, one end of the arc-shaped frame 33 far away from the buffer plate 31 is connected with a connecting plate 32, one side of the outer side wall of the connecting plate 32 close to the material inlet 5 is connected with a plurality of evenly distributed limiting springs 39, a position of the outer side wall of the supporting seat 6 is provided with a sliding cavity 37, two sides of the inner side wall of the sliding cavity 37 are provided with sliding blocks 38, the inner side wall of the sliding cavity 37 is slidably connected with sliding blocks 34, the sliding blocks 34 are slidably connected with limiting insertion rods 36 at two sides of the lower surface of the sliding cavity 34, the sliding blocks are integrally formed at positions corresponding to the sliding groove 38, the positions of the sliding blocks 34, the sliding cavities are provided with ball insertion rods 36, and the ball insertion holes 34 are uniformly distributed on the sliding blocks, and the sliding blocks 34, and the sliding blocks are connected with ball insertion holes 34, and the ball bearing surfaces of the sliding blocks, and the ball insertion rods, and the ball bearing surfaces of the ball insertion holes 34;
in the prior art, in the process that ores fall into a roller screen from a position of a material inlet 5, when the ores falling freely contact with a screening rotating shaft 9 in the roller screen, the ores are easy to collide with the screening rotating shaft 9, so that the screening rotating shaft 9 is easy to damage;
the ore of pan feeding mouth 5 department contacts with buffer board 31 earlier when the whereabouts, and cause the extrusion to buffer board 31, make buffer board 31 rotate downwards under the effect of extrusion power and open, rotate and open the in-process and cause tensile deformation to connecting limiting spring 39 between connecting plate 32 and pan feeding mouth 5, make the buffer board 31 that rotates and open rotate and close at limiting spring 39 resilience in-process that resets, the ore that receives after buffer board 31 buffering is less at the effort of whereabouts when colliding with screening pivot 9, and the ore leads to the fact the extrusion to screening pivot 9, screening pivot 9 can lead to the fact the extrusion to sliding block 34, make sliding block 34 carry out the slip of position downwards in sliding chamber 37 inside, and lead to the fact extrusion deformation shrink to adjusting spring 35, make adjusting spring 35 can cushion the effort that screening pivot 9 received, make the effort that cushions once more after buffering reduce the damage that screening pivot 9 caused, be favorable to improving the life of screening pivot 9.
Example 3:
referring to fig. 10-11, the inner side wall of the outer shell 1, which is close to the lower side of the screening rotating shaft 9, is rotatably connected with a plurality of uniformly distributed connecting rings 44 through a cleaning rotating shaft 41, a timing module is arranged on the outer side wall of the cleaning rotating shaft 41, the timing module times the rotating time of the cleaning rotating shaft 41 through a rotating speed sensor, three dirt scraping plates 43 are uniformly connected to the outer side wall of the connecting rings 44, both sides of each dirt scraping plate 43 are designed in an inclined manner, the scraped dirt can fall from a dirt leakage hole 42 in a middle position, a dirt leakage hole 42 is formed in the middle position of each dirt scraping plate 43, a cavity is formed in each connecting ring 44, a flat spiral spring 47 is connected to the inside of each cavity, one end of each flat spiral spring 47 is connected to the inner wall of the corresponding to the connecting ring 44, the other end of each flat spiral spring is connected to the outer side wall of the cleaning rotating shaft 41, a fixed plate is connected to the outer side wall of the cleaning rotating shaft 41 at a position corresponding to the connecting ring 44, a movable block 46 is connected to the middle position of the upper surface of the fixed plate, a movable block 46 is connected to an elastic cavity, and a size of the elastic cavity is larger than that of the elastic cavity, and a small elastic cavity is larger than that the size of the elastic cavity;
in the prior art, most of the structures for cleaning dirt attached to the outer side of equipment on a screening rotating shaft 9 are fixed at a specified position in a roller screen, so that the screening rotating shaft 9 is subjected to removal of the dirt through mutual friction with the cleaning structures in the rotating process, and the rotation of the screening rotating shaft 9 is blocked due to the resistance of the dirt attached in the removing process, so that the normal rotation of a driving motor of the roller screen is influenced, and the driving motor is easily damaged;
in the working process of the roller screen, the screening rotating shaft 9 of the roller screen drives the cleaning rotating shaft 41 to synchronously rotate through the transmission belt 26, the cleaning rotating shaft 41 drives the plane volute spring 47 to wind and tighten in the rotating process, the movable block 46 is popped out of the position of the limiting groove 45 clamped on the connecting ring 44 under the action of the electrified spring in the tightening process, the connecting ring 44 cannot be driven to rotate in the rotating process of the cleaning rotating shaft 41, when the timing module detects that the rotating time of the cleaning rotating shaft 41 reaches a set value, the timing module transmits a signal to the roller screen controller, the power control switch of the roller screen controller is closed to supply power to the electrified spring, the electrified spring is electrified and contracted to drive the movable block 46 to contract into the elastic cavity, the limitation on the connecting ring 44 is removed, the connecting ring 44 can rapidly rotate under the action of the tightened plane volute spring 47, the rotating direction is the same as the rotating direction of the screening rotating shaft 9, and when the dirt scraping plate 43 cleans dirt on the roller screen equipment on the screening rotating shaft 9, the rotation of the rotating shaft 9 cannot cause obstruction and the normal rotation of the screen driving motor of the screen is influenced.
When the ore screening device is used, ore at the feed inlet 5 firstly contacts with the buffer plate 31 when falling, and extrudes the buffer plate 31, so that the buffer plate 31 is rotated and opened downwards under the action of extrusion force, the limit spring 39 connected between the connecting plate 32 and the feed inlet 5 is stretched and deformed in the rotating and opening process, the buffer plate 31 which is rotated and opened can be rotated and closed in the rebounding and resetting process of the limit spring 39, the acting force of the ore buffered by the buffer plate 31 when falling and colliding with the screening rotating shaft 9 is smaller, and when the ore extrudes the screening rotating shaft 9, the screening rotating shaft 9 can extrude the sliding block 34, so that the sliding block 34 slides downwards in the sliding cavity 37, the adjustment spring 35 is extruded, deformed and contracted, the adjustment spring 35 can buffer the acting force on the screening rotating shaft 9, the damage of the screening rotating shaft 9 caused by the acting force after being buffered again is reduced, and the service life of the screening rotating shaft 9 is prolonged;
when the roller screen works, a linkage rotating wheel on a screening rotating shaft 9 can drive a driving rotating gear 24 to rotate through a driving belt 26, the driving rotating gear 24 and the driving rotating gear 25 are perpendicular to each other and are embedded with each other, the driving rotating gear 25 is in transmission connection with a transmission rotating wheel on a transmission roller through the driving belt 26, so that the screening rotating shaft 9 can drive a scraping transmission belt 218 to transmit, a scraping plate 217 connected to the scraping transmission belt 218 can push ores at the middle position of an aggregate plate 21 in the transmission process and push the ores to the position of a blanking hole 29 to discharge, the ores screened by the screening rotating shaft 9 can fall onto the aggregate plate 21 from the position of the blanking hole 23, the aggregate plate 21 can shake up and down under the action of a vibration bulge 211 on a rotating vibration shaft 210, so that the ores falling onto the aggregate plate 21 can slide down to the middle position of the aggregate plate 21, the aggregate plate 22 can prevent the ores from entering the middle position of the scraping transmission belt 218, the normal transmission operation of the scraping transmission belt 218 is influenced, a support plate 216 and a vibration spring 215 are arranged, the extrusion distance between the ores sliding down from the upper inclined plane of the aggregate plate 21 to reduce the distance between the vibration shaft 210, and the normal transmission of the vibration shaft 210 is not influenced by the vibration shaft weight;
in the working process of the roller screen, the screening rotating shaft 9 of the roller screen drives the cleaning rotating shaft 41 to synchronously rotate through the transmission belt 26, the cleaning rotating shaft 41 drives the flat spiral spring 47 to wind and tighten in the rotating process, in the tightening process, the movable block 46 is popped out of the position of the limiting groove 45 clamped on the connecting ring 44 under the action of the electrified spring, so that the connecting ring 44 cannot be driven to rotate in the rotating process of the cleaning rotating shaft 41, when the timing module detects that the rotating time of the cleaning rotating shaft 41 reaches a set value, the timing module transmits a signal to the roller screen controller, the electric control switch of the roller screen controller is closed to supply power to the electrified spring, the electrified spring is electrified and contracted to drive the movable block 46 to contract into the elastic cavity, the limitation on the connecting ring 44 is removed, the connecting ring 44 can rapidly rotate under the action of the tightened flat spiral spring 47, the rotating direction is the same as the rotating direction of the screening rotating shaft 9, and when the dirt scraping plate 43 cleans dirt on the connecting device on the screening rotating shaft 9, the screening rotating shaft 9 cannot obstruct the rotation of the rotating shaft 9, and the normal rotation of the driving motor of the screen is influenced.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.

Claims (5)

1. A fluted roller type sine roller screen for ores comprises an outer shell (1), wherein a feeding port (5) is integrally formed on one side of the upper surface of the outer shell (1), a bottom frame (7) is connected below the inner side wall of the outer shell (1), the inner side wall of the outer shell (1) is close to a screening rotating shaft (9) which is rotatably connected above the bottom frame (7), the inner side wall of the outer shell (1) corresponds to the position of the screening rotating shaft (9) and is connected with a sweeping board (8), the two sides of the outer side wall of the outer shell (1) correspond to the position of the screening rotating shaft (9) and is connected with a supporting seat (6), the fluted roller screen is characterized in that leaking holes (23) are formed on the two sides of the upper surface of the bottom frame (7), a material collecting plate (21) is slidably connected on the inner side wall of the bottom frame (7), a material blocking plate (22) is rotatably connected at the middle position of the inner upper surface of the bottom frame (7), a material scraping conveying roller is connected with a material conveying belt (218), the outer side wall of the conveying roller is connected with a plurality of evenly distributed material scraping plates (217), the outer side wall of the material scraping conveying belt (218) corresponds to the position of the material discharging hole (29) at the position of the bottom frame (7), the outer side wall of the support frame (27) is rotatably connected with a transmission rotating gear (25) at a position corresponding to the transmission roller, the transmission rotating gear (25) is in transmission connection with a transmission rotating wheel on the transmission roller through a transmission belt (26), the outer side wall of the support frame (27) is rotatably connected with a driving rotating gear (24) at a position corresponding to the transmission rotating gear (25), and the driving rotating gear (24) is in transmission connection with a linkage rotating wheel connected to the screening rotating shaft (9) through the transmission belt (26);
underframe (7) inside wall is close to collection flitch (21) position department rotates and is connected with vibration axle (210), vibration axle (210) lateral wall is connected with a plurality of evenly distributed's vibration arch (211), vibration axle (210) expose extremely the one end in underframe (7) outside is connected with drive runner (28), drive runner (28) through drive belt (26) with the interlock runner of connecting carries out the transmission and connects on screening pivot (9), spacing spout (212) have all been seted up to underframe (7) inside wall both sides, collection flitch (21) outside wall both sides correspond spacing spout (212) position department integrated into one piece has the slider, underframe (7) inside wall intermediate position department is connected with end support plate (213), end support plate (213) top is equipped with layer board (216), layer board (216) lower surface is connected with six vibration limiting rod (214), vibration limiting rod (214) lateral wall is close to end support plate (213) top cover is equipped with vibrating spring (215).
2. The toothed roller type sine roller screen for ores according to claim 1, wherein two sides of the inner side wall of the feed port (5) are rotatably connected with buffer plates (31), the inner side wall of the feed port (5) is provided with embedded grooves corresponding to the positions of the buffer plates (31), the lower surface of each buffer plate (31) is connected with an arc-shaped frame (33), one end, far away from the buffer plates (31), of each arc-shaped frame (33) is connected with a connecting plate (32), and one side, close to the feed port (5), of the outer side wall of each connecting plate (32) is connected with a plurality of uniformly distributed limiting springs (39).
3. The toothed roller type sine roller screen for ores according to claim 2, wherein a sliding cavity (37) is formed in the middle position of the outer side wall of the supporting seat (6), sliding grooves (38) are formed in two sides of the inner side wall of the sliding cavity (37), sliding blocks (34) are slidably connected to the inner side wall of the sliding cavity (37), limiting sliding blocks are integrally formed in positions, corresponding to the sliding grooves (38), of the two sides of the outer side wall of each sliding block (34), limiting insertion rods (36) are connected to two sides of the lower surface of each sliding block (34), insertion holes are formed in positions, corresponding to the limiting insertion rods (36), of the sliding cavities (37), adjusting springs (35) are sleeved on the outer side wall of each limiting insertion rod (36), and a plurality of uniformly distributed balls are connected to the upper surface of each sliding block (34).
4. The toothed roller type sine roller screen for ores as claimed in claim 1, characterized in that the inner side wall of the outer shell (1) is close to the screening rotating shaft (9) and is rotatably connected with a plurality of connecting rings (44) which are uniformly distributed through a cleaning rotating shaft (41), the outer side wall of each connecting ring (44) is uniformly connected with three dirt scraping plates (43), dirt leakage holes (42) are formed in the middle positions of the dirt scraping plates (43), cavities are formed inside the connecting rings (44), flat spiral springs (47) are connected inside the cavities, the outer side wall of each cleaning rotating shaft (41) corresponds to the position of each connecting ring (44) and is connected with a fixed plate, a movable block (46) is connected to the middle position of the upper surface of the fixed plate, and a limiting groove (45) is formed in the position of the movable block (46).
5. The toothed roller type sine roller screen for ores according to claim 4, wherein an elastic cavity is formed in the position, corresponding to the movable block (46), of the outer side wall of the fixing plate, the elastic cavity is connected with the movable block (46) through an electrified spring, one end, close to the elastic cavity, of the movable block (46) is connected with a limiting plate, and the size of the limiting plate is larger than the size of an opening of the elastic cavity.
CN202210990471.6A 2022-08-18 2022-08-18 Toothed roller type sine roller screen for ore Active CN115301528B (en)

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CN109894347B (en) * 2019-03-15 2021-03-16 安徽华星选矿科技有限公司 Sinusoidal roller screen structure assembly and intelligent anti-blocking monitoring system thereof
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