CN116273873B - Plane rotary screen for mineral aggregate screening - Google Patents
Plane rotary screen for mineral aggregate screening Download PDFInfo
- Publication number
- CN116273873B CN116273873B CN202310598798.3A CN202310598798A CN116273873B CN 116273873 B CN116273873 B CN 116273873B CN 202310598798 A CN202310598798 A CN 202310598798A CN 116273873 B CN116273873 B CN 116273873B
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- rotating
- rotating shaft
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- 238000012216 screening Methods 0.000 title claims abstract description 39
- 229910052500 inorganic mineral Inorganic materials 0.000 title claims abstract description 27
- 239000011707 mineral Substances 0.000 title claims abstract description 27
- 230000005540 biological transmission Effects 0.000 claims description 8
- 239000000463 material Substances 0.000 description 130
- 239000004744 fabric Substances 0.000 description 52
- 230000006835 compression Effects 0.000 description 18
- 238000007906 compression Methods 0.000 description 18
- 230000000694 effects Effects 0.000 description 14
- 238000005266 casting Methods 0.000 description 8
- 239000012535 impurity Substances 0.000 description 8
- 239000010421 standard material Substances 0.000 description 8
- 230000033001 locomotion Effects 0.000 description 7
- 238000005054 agglomeration Methods 0.000 description 6
- 230000002776 aggregation Effects 0.000 description 6
- 238000007599 discharging Methods 0.000 description 6
- 230000008859 change Effects 0.000 description 5
- 238000001125 extrusion Methods 0.000 description 5
- 239000010813 municipal solid waste Substances 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- 239000006185 dispersion Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000005204 segregation Methods 0.000 description 1
- 238000007873 sieving Methods 0.000 description 1
Classifications
-
- 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
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C4/00—Crushing or disintegrating by roller mills
- B02C4/10—Crushing or disintegrating by roller mills with a roller co-operating with a stationary member
Landscapes
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Combined Means For Separation Of Solids (AREA)
Abstract
The invention belongs to the technical field of screening, in particular to a plane rotary screen for mineral aggregate screening, which comprises a screen body; the screen body is connected with a group of cover plates through bolts; the bottom end of the cover plate is fixedly connected with a second fixing plate; the second fixing plate is isosceles triangle; the bottom end of the second fixed plate is provided with a first through groove; the first through groove is connected with a moving plate in a sliding way; the overlooking sections of the moving plate and the second fixed plate are isosceles triangles, and the isosceles inclined surfaces are stepped surfaces; the movable plate is provided with a group of second through grooves, and the group of second through grooves corresponds to the group of step surfaces; the cover plate is rotatably connected with a first threaded rod, the first threaded rod penetrates through the movable plate, and the first threaded rod is in threaded connection with the movable plate; a pressing piece is arranged in the second through groove; a feeding hole is formed in the upper middle of the cover plate; so as to solve the frequent replacement caused by the breakage of the middle part of the screen.
Description
Technical Field
The invention belongs to the technical field of screening, and particularly relates to a plane rotary screen for mineral aggregate screening.
Background
The planar rotary screen is a new screening device developed by introducing advanced technology abroad; the plane rotary screen surface moves in a circular track in a horizontal plane, the materials also move in a corresponding circular track on the screen surface, the plane rotary screen surface can promote the segregation of the materials, the relative movement path of the materials on the screen surface is longest, and the horizontal inertial force of the material particles periodically changes direction within the range of 360 degrees, so that the screen holes are not easy to be blocked, and the screening efficiency and the productivity are both higher.
In the prior art, when utilizing the plane revolving screen to screen the mineral aggregate, because the feeding is often direct from middle feed inlet feeding, and the material is the unloading of piling up in the middle part slowly, simultaneously because the plane revolving screen can produce the material gyration, can lead to the material to screen the material through the screen cloth of screen frame middle part always handles, and the part on screen cloth both sides is because of unable or too much material of screen cloth, and then let the screen cloth middle part long-term load screen, let it appear easily damaged, lead to whole screen cloth to change, and change comparatively frequently, simultaneously because the material is through screen cloth middle part processing of sieving, when feeding in batches, can't carry out comprehensive screening, can lead to remaining standard material in the final trash discharging material, need the screening to handle by a second time, holistic efficiency has been greatly reduced.
To this end, the invention provides a planar rotary screen for mineral aggregate screening.
Disclosure of Invention
In order to make up the defect of the prior art, when the material is screened by utilizing the plane rotary screen, the material is fed from the middle feed inlet usually directly because of feeding, and the material is slowly piled up in the middle part and discharged because of the rotation of the plane rotary screen, the material can be always screened through the screen cloth in the middle part of the screen body, and the parts on two sides of the screen cloth can not or can not be screened too much material, so that the screen cloth is screened for a long time because of being incapable of or incapable of being screened, the screen cloth is easy to damage, the whole screen cloth is required to be replaced, and the replacement is more frequent, and meanwhile, because the material is screened through the middle part of the screen cloth more, the material can not be comprehensively screened when fed in a large quantity, the standard material can be remained in the final impurity discharging material, the screening treatment is required for the second time, and the whole efficiency is greatly reduced.
The technical scheme adopted for solving the technical problems is as follows: the invention relates to a plane rotary screen for mineral aggregate screening, which comprises a screen body; the screen body is connected with a group of cover plates through bolts; the bottom end of the cover plate is fixedly connected with a second fixing plate; the second fixing plate is isosceles triangle; the bottom end of the second fixed plate is provided with a first through groove; the first through groove is connected with a moving plate in a sliding way; the overlooking sections of the moving plate and the second fixed plate are isosceles triangles, and the isosceles inclined surfaces are stepped surfaces; the movable plate is provided with a group of second through grooves, and the group of second through grooves corresponds to the group of step surfaces; the cover plate is rotatably connected with a first threaded rod, the first threaded rod penetrates through the movable plate, and the first threaded rod is in threaded connection with the movable plate; a pressing piece is arranged in the second through groove; a feeding hole is formed in the upper middle of the cover plate and is positioned at the front side of the tip of the second fixed plate; in the prior art, when a planar rotary screen is used for screening materials, the materials are always fed from a middle feed inlet directly, and are slowly piled up and discharged in the middle, meanwhile, the planar rotary screen can generate material rotation, so that the materials are always screened through the screen cloth in the middle of the screen body, and the two sides of the screen cloth cannot or cannot be screened for too much materials, so that the middle of the screen cloth is screened for a long time, the screen cloth is easy to damage, the whole screen cloth is required to replace, the replacement is more frequent, meanwhile, the materials are screened through the middle of the screen cloth, when the materials are fed in a large quantity, the whole screening cannot be performed, the standard materials remain in the final impurity discharging material, the screening treatment is required to be performed secondarily, and the whole efficiency is greatly reduced, so that the planar rotary screen is in operation, the cover plates are required to be sealed, after a group of cover plates are installed on the screen body through bolts, the lowest position of the movable plate is just contacted with the screen, after the cover plates are installed through bolts, the movable plate is enabled to move up and down in the first through groove through rotation of the first threaded rod, the distance between the bottom end of the movable plate and the screen of the screen body is adjusted, because the cover plates are generally multiple groups, and the plane rotary screen is provided with an inclination angle, the heights of different movable plates can be adjusted according to the number and the positions of the cover plates, so that materials can be conveniently and sequentially horizontally spread and downwards moved layer by layer, the downwards movement of the materials can not be gathered towards the middle part again due to rotation of the screen body, the situation that the materials in the screen body are horizontally spread and downwards move on the screen is ensured, the screen can be uniformly screened, the rapid damage of the middle part of the screen can be effectively avoided, the replacement frequency of the screen is reduced, and meanwhile, the screen can be completely screened due to the screen, when feeding in batches, can guarantee screening efficiency, and then guarantee screening quality, effectively avoid remaining standard material in the trash removal material, be equipped with the casting die in the movable plate simultaneously, after the material is shunted by the movable plate and is equallyd divide the stand, can be carried out the initial processing of pushing down by the casting die this moment, because of there are many agglomerations together in the mineral aggregate, and be difficult for being rotated by the gyration plane sieve and break up, carry out broken processing through the casting die to the powder material of agglomerating, guarantee that the material is the dispersion state, guarantee that the screen cloth carries out screening processing.
Preferably, the hold-down member includes a triangular groove; a triangular groove is formed in the top end of the movable plate; a group of connecting grooves are formed in the top end of the movable plate, and the second through grooves are communicated with each other through the connecting grooves and the triangular grooves; a triangular plate is connected in the triangular groove in a sliding manner; a connecting rod is connected in the connecting groove in a sliding way, one end of the connecting rod is fixedly connected to the triangular plate, and the other end of the connecting rod extends into the second through groove and is fixedly connected with a fixing column; the bottom end of the fixed column is provided with a lower pressing roller; the lower pressing roller moves up and down through the power unit; during operation, because the second through groove is offered in the movable plate, can not influence the equal stand material of movable plate, the equal waist face of movable plate is the step face simultaneously, consequently the second through groove is the level setting, press roll is the level setting under the same reason, and then can carry out the processing of pushing down through the equal stand material of movable plate, let the material can carry out the processing of pushing down after carrying out equal stand, the material is in the highest state this moment, the convenience carries out the biggest impact force to the material, and then conveniently crush the material, the press roll is circular for the cross-section simultaneously, can avoid when extruding the impact to some miscellaneous material, impurity can't be broken, can extrude it through circular face this moment, avoid rigidity direct extrusion to cause the impact to the screen cloth.
Preferably, the power unit includes a first motor; the cover plate is provided with a first motor, the output end of the first motor is provided with a first rotating shaft, and the first rotating shaft stretches into the cover plate and is provided with a rotating column; an annular chute is formed on the outer surface of the rotary column; a third through groove is formed in the side wall of the second through groove in the middle of the moving plate; a fourth groove is formed in the side wall of the middle of the second fixing plate, and the fourth groove and the third groove are positioned on the same vertical surface and are communicated with each other; one end of the push rod extends into the second through groove in the middle of the moving plate and is fixedly connected to the side wall of the connecting rod, and the other end of the push rod penetrates through the fourth through groove and is positioned in the annular chute; during operation, the first motor starts to drive the first rotating shaft to rotate, the first rotating shaft rotates to drive the rotating column to rotate, the rotating column rotates because the end part of the push rod is located in the annular chute, the annular chute is driven to axially rotate, the push rod is driven to vertically move up and down through the rotation of the annular chute, the push rod moves up and down to drive the triangular plate to move up and down, and then the lower press roller is driven to move up and down through the triangular plate to circularly press down materials, so that the crushing effect is guaranteed.
Preferably, the lower press roll comprises a circular block; a circular block is fixedly connected to the bottom end of the fixed column, and two ends of the circular block are rotatably connected with a second rotating shaft; the second rotating shafts are fixedly connected with first rotating rollers; a fifth through groove is formed in the moving plate; a pair of rack plates are fixedly connected to the inner walls of the stepped surfaces of the first through grooves, and the rack plates are connected in the fifth through grooves in a sliding manner; a third rotating shaft is rotatably connected to the connecting rod; the two ends of the third rotating shaft are fixedly connected with first gears, and the first gears are meshed with the rack plates; the third rotating shaft and the second rotating shaft rotate through a transmission piece; during operation, when the set square drives the connecting rod to reciprocate, the connecting rod can drive the third axis of rotation and reciprocate this moment, because of first gear and rack board intermeshing, the third axis of rotation can rotate this moment, lower compression roller is circular piece simultaneously, first rotor and second axis of rotation combination, can drive the second axis of rotation through the driving medium when the third axis of rotation rotates, and then drive first rotor and rotate, when letting first rotor carry out the downmovement and all can rotate when shifting up, because of mineral aggregate sieves, break up the agglomeration material, and do not pulverize (the excessive screen cloth of crushing can be broken to the upper and lower grinding power), utilize the rotation power of first rotor at this moment, just break up the material, increase its scope of breaking up, also increase its dynamics of breaking up simultaneously, further guarantee the breakage to the agglomeration material, lower compression roller is the level setting simultaneously, when first rotor rotates, only can break up the material level, can not let the material gather to screen cloth middle part.
Preferably, the transmission member includes a first sprocket and a second sprocket; the third rotating shaft is fixedly connected with a symmetrical first chain wheel; the outer side walls of the end parts of the second rotating shafts are fixedly connected with second chain wheels; the first sprocket and the second sprocket are driven by a chain; during operation, circular piece and connecting rod are fixed, all can with rack board intermeshing when first gear reciprocates, and then can drive the rotation of third axis of rotation, can then drive the rotation of second axis of rotation through the chain between first sprocket and the second sprocket, and the rotation of second axis of rotation can drive first roller of rotation, can guarantee the turning force of first roller of rotation.
Preferably, a pair of opposite side walls of the first rotating roller are provided with first annular grooves; the first annular groove is connected with a second rotating roller in a sliding manner, an L-shaped column is fixedly connected to the outer surface of the second rotating roller, and the L-shaped column penetrates through the connecting rod; the second rotating roller is connected to the second rotating shaft through threads; during operation, because L shape post runs through the connecting rod, and then drive the second live-rollers and can only horizontal migration, again because second live-rollers sliding connection is at first ring channel and threaded connection in the second axis of rotation, consequently, when the second axis of rotation moves down, let a pair of second live-rollers move to being close to circular piece direction this moment, and then let the material that is located between second live-rollers and the circular piece extrude the processing, can further guarantee partly crushing effect, and because of the apron is the multiunit, and the screen frame is gyration operation, therefore the material can not be a rectilinear motion, consequently can guarantee the whole breakage to the material, simultaneously because a pair of second live-rollers is the opposite direction motion, can not cause pressure to the screen cloth, and then guarantee the crushing effect to partial material, further guarantee the screening efficiency to the material.
Preferably, a pair of adjacent side walls of the second rotating roller are provided with second annular grooves; a conical block is fixedly connected in the second annular groove through a first spring; conical grooves are formed in the side walls of the two sides of the circular block; during operation, have miscellaneous material in the material, can not by broken existence, so when having the unable broken material of centre gripping between second live-rollers and circular piece, can shrink through the first spring of toper piece this moment, avoid appearing the dead condition of rigidity card, simultaneously when having the breakable effect in the middle part, can extrude broken processing through the first spring extrusion force change between toper piece and the toper groove to it, further guarantee the crushing effect to the material.
Preferably, the first rotation shaft is square; a square through groove is formed in the middle of the rotating column; the first rotating shaft is connected in the square through groove in a sliding way; the cover plate is rotatably connected with a second threaded rod, and the bottom end of the second threaded rod extends into the cover plate and is in threaded connection with a concave plate; the concave plate is rotationally connected with an annular plate, and the annular plate is rotationally connected to the bottom end of the rotating column; a guide post is fixedly connected to the bottom end of the cover plate and penetrates through the concave plate; during operation, because of the setting of annular chute, because push rod is sliding connection in annular chute, the highest point and the minimum of annular chute are the definite value, and then let the push rod when the slip in annular chute, the upper and lower removal distance of push rod is the definite value, just contact each other with the screen cloth of screen frame when the minimum that the compression roller was pushed down in general, but when the unloading is carried out in earlier stage, the unloading efficiency of material can be blocked to the compression roller down, can be through rotating the second threaded rod for this, and then drive the upward movement of rotation post, and then adjust the distance between compression roller and the screen cloth down, can grind only the material top layer in earlier stage, adjust in proper order according to the apron of arranging in proper order, let down the distance between compression roller and the screen cloth shorten in proper order, the last lower compression roller on the apron adjusts the state of mutual contact with the screen cloth, and then under guaranteeing earlier stage unloading efficiency, can be suitable for the use of different mineral aggregates at last, and when the during operation, the second threaded rod rotates, can drive the concave plate and then drive the rotation post and shift up through rotating the annular plate, and rotate the rotation post and rotate down, can not rotate the rotation post through the rotation post on the rotation post, can not be influenced by the rotation of the rotation post, and can rotate the square chute on the upper and lower rotation post can be rotated simultaneously, and the rotation post can be rotated by the rotation of the rotation post.
Preferably, the cover plate is provided with a first groove; a first fixing plate is fixedly connected to the outer side wall of the first motor, and the first fixing plate is connected in the first groove through bolts; during operation, the first motor can be taken down from the first groove, and meanwhile the first rotating shaft is pulled out of the square through groove, so that when certain mineral aggregates are required to be ground up and down, the first motor can be taken down at the moment, and when the first motor is placed on the screen body, the rotation of the first motor can influence the internal parts of the first motor, so that when the first motor is not used, the first motor can be taken down generally, and when only mineral aggregates which need to be ground are required to be ground, the first motor is put into the square through groove, and the first rotating shaft slides into the square through groove to finish the rotation of the rotating column.
Preferably, the bottom end of the guide post is fixedly connected with a limiting plate; during operation, limiting plate carries out spacing processing to its concave plate, and then carries out spacingly to holistic casting die, guarantees the minimum of casting die pushing down, avoids lower compression roller and screen frame screen cloth to contact each other.
The beneficial effects of the invention are as follows:
1. according to the plane rotary screen for mineral aggregate screening, the moving plates are enabled to move up and down in the first through grooves through rotation of the first threaded rods, the distance between the bottom ends of the moving plates and the screen mesh of the screen body is adjusted, the cover plates are generally in multiple groups, the plane rotary screen is provided with the inclined angles, different moving plate heights can be adjusted according to the number and the positions of the cover plates, materials can be conveniently and horizontally spread down layer by layer, the materials can not be gathered towards the middle part again due to rotation of the screen body in a downward manner, the materials in the screen body are guaranteed to be horizontally spread down on the screen mesh, the screen mesh can be evenly screened, rapid damage to the middle part of the screen mesh can be effectively avoided, replacement frequency of the screen mesh is reduced, meanwhile, the screening efficiency can be guaranteed when the screen mesh is fed in a large batch, the screening quality is guaranteed, and standard materials remained in impurity discharging materials are effectively avoided.
2. According to the plane rotary screen for mineral aggregate screening, the materials are just scattered by utilizing the rotating force of the first rotary roller, the scattering range is enlarged, meanwhile, the scattering force is also increased, the crushing of the agglomerated materials is further ensured, meanwhile, the lower press roller is horizontally arranged, and when the first rotary roller rotates, the materials are only scattered horizontally, and the materials cannot be gathered towards the middle part of the screen body.
Drawings
The invention is further described below with reference to the accompanying drawings.
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a perspective view of a cover plate;
fig. 3 is a perspective view of the second fixing plate;
FIG. 4 is a partial perspective view of the second securing plate;
FIG. 5 is a side cross-sectional view of a second securing plate;
FIG. 6 is a block diagram of a second through slot;
FIG. 7 is a perspective view of a lower pressure roller;
FIG. 8 is a cross-sectional view of the lower press roll;
fig. 9 is an enlarged view at a in fig. 8.
In the figure: 1. a screen body; 11. a cover plate; 12. a second fixing plate; 13. a first through groove; 14. a moving plate; 15. a first threaded rod; 2. triangular grooves; 21. a connecting groove; 22. a connecting rod; 23. fixing the column; 24. a lower press roll; 25. a second through slot; 26. a triangle; 3. a first motor; 31. a first rotation shaft; 32. rotating the column; 33. an annular chute; 34. a third through slot; 35. a fourth slot; 36. a push rod; 4. a circular block; 41. a second rotation shaft; 42. a first rotating roller; 43. a fifth through groove; 44. rack plate; 45. a first gear; 46. a third rotation shaft; 47. a first sprocket; 48. a second sprocket; 49. a chain; 5. square through groove; 51. a concave plate; 52. an annular plate; 53. a guide post; 54. a second threaded rod; 55. a limiting plate; 56. a first groove; 57. a first fixing plate; 6. a first annular groove; 61. a second rotating roller; 62. an L-shaped column; 63. a second annular groove; 64. a conical block; 65. a conical groove; 66. a first spring.
Detailed Description
The invention is further described in connection with the following detailed description in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the invention easy to understand.
As shown in fig. 1 to 9, a planar rotary screen for screening mineral aggregate according to an embodiment of the present invention includes a screen body 1; the screen body 1 is connected with a group of cover plates 11 through bolts; the bottom end of the cover plate 11 is fixedly connected with a second fixing plate 12; the second fixing plate 12 is isosceles triangle; a first through groove 13 is formed in the bottom end of the second fixing plate 12; the first through groove 13 is connected with a moving plate 14 in a sliding way; the top-view cross sections of the moving plate 14 and the second fixed plate 12 are isosceles triangles, and the isosceles inclined surfaces are stepped surfaces; the moving plate 14 is provided with a group of second through grooves 25, and the group of second through grooves 25 corresponds to the group of step surfaces; the cover plate 11 is rotatably connected with a first threaded rod 15, the first threaded rod 15 penetrates through the moving plate 14, and the first threaded rod 15 is in threaded connection with the moving plate 14; a pressing piece is arranged in the second through groove 25; a feeding hole is formed in the upper middle of the cover plate 11 and is positioned at the front side of the tip of the second fixed plate 12; in the prior art, when a planar rotary screen is used for screening materials, the materials are always fed from a middle feed inlet directly, and are slowly accumulated and discharged in the middle, meanwhile, the planar rotary screen can generate material rotation, so that the materials are always screened through the screen cloth in the middle of the screen body 1, and the two sides of the screen cloth cannot or cannot be screened for too much materials, so that the middle of the screen cloth is screened for a long time, the screen cloth is easy to damage, the whole screen cloth is required to replace, the replacement is more frequent, meanwhile, the materials are screened through the middle of the screen cloth, when the materials are fed in a large quantity, the whole screening cannot be performed, the standard materials remain in the final impurity discharging material, and the screening treatment is required to be performed for the second time, thus greatly reducing the whole efficiency, the cover plates 11 are needed to be sealed, after a group of cover plates 11 are installed on the screen body 1 through bolts, the lowest position of the movable plate 14 is just contacted with the screen, after the cover plates 11 are installed through bolts, the movable plate 14 is enabled to move up and down in the first through groove 13 through the rotation of the first threaded rod 15, and then the distance between the bottom ends of the movable plates 14 and the screen mesh of the screen body 1 is adjusted, because the cover plates 11 are generally multiple groups, and the plane rotary screen is provided with inclined angles, different heights of the movable plates 14 can be adjusted according to the quantity and the positions of the cover plates 11, so that materials can be conveniently and sequentially spread down layer by layer, the downward movement of the materials can not be gathered towards the middle part again due to the rotation of the screen body 1, the materials in the screen body 1 are ensured to be spread down on the screen mesh, the screen mesh can be uniformly screened, the rapid damage of the middle part of the screen mesh can be effectively avoided, reduce the change frequency of screen cloth, simultaneously because the screen cloth can all sieve, when feeding in batches, can guarantee screening efficiency, and then guarantee screening quality, effectively avoid remaining standard material in the trash discharge material, be equipped with down the casting die in movable plate 14 simultaneously, after the material is shunted evenly spread by movable plate 14, can be pressed down the processing for the first time by down the casting die this moment, because of there are many agglomerations together in the mineral aggregate, and be difficult for rotating the breakage by gyration plane screen, carry out broken processing through the casting die to the powder material of agglomeration, guarantee that the material is the dispersion state, guarantee that the screen cloth carries out screening processing.
The pressing piece comprises a triangular groove 2, and the triangular groove 2 is formed in the top end of the moving plate 14; a group of connecting grooves 21 are formed in the top end of the moving plate 14, and the second through grooves 25 are communicated with the triangular grooves 2 through the connecting grooves 21; a triangle 26 is connected in a sliding way in the triangle groove 2; the connecting groove 21 is slidably connected with a connecting rod 22, one end of the connecting rod 22 is fixedly connected to a triangle 26, and the other end of the connecting rod 22 extends into the second through groove 25 and is fixedly connected with a fixing column 23; the bottom end of the fixed column 23 is provided with a lower pressing roller 24; the lower pressing roller 24 moves up and down through a power unit; during operation, because the second through groove 25 is offered in the movable plate 14, the equal-waist surface of the movable plate 14 is the step surface, so the second through groove 25 is horizontally arranged, the press roller 24 is horizontally arranged under the same reason, and then the equal-waist material of the movable plate 14 can be subjected to the pressing treatment, so the material can be subjected to the pressing treatment after being evenly spread, the material is in the highest state, the maximum impact force is convenient to carry out on the material, the material is crushed, the press roller 24 is circular in cross section, the impurity cannot be crushed when the impurity is extruded and impacted, and the impact to the screen mesh caused by the rigid direct extrusion can be avoided through the circular extrusion.
The power unit comprises a first motor 3; the cover plate 11 is provided with a first motor 3, the output end of the first motor 3 is provided with a first rotating shaft 31, and the first rotating shaft 31 extends into the cover plate 11 and is provided with a rotating column 32; an annular chute 33 is formed on the outer surface of the rotating column 32; a third through groove 34 is formed in the side wall of the second through groove 25 in the middle of the moving plate 14; a fourth slot 35 is formed in the side wall of the middle part of the second fixing plate 12, the fourth slot 35 and the third slot 34 are positioned on the same vertical surface, and the fourth slot 35 and the third slot 34 are mutually communicated; a push rod 36 is slidably connected in the third through groove 34, one end of the push rod 36 extends into the second through groove 25 in the middle of the moving plate 14 and is fixedly connected to the side wall of the connecting rod 22, and the other end of the push rod 36 penetrates through the fourth through groove 35 and is positioned in the annular chute 33; when the crusher works, the first motor 3 is started to drive the first rotating shaft 31 to rotate, the first rotating shaft 31 rotates to drive the rotating column 32 to rotate, the end part of the push rod 36 is positioned in the annular chute 33, the rotating column 32 rotates to drive the annular chute 33 to axially rotate, then the push rod 36 is driven to vertically move up and down through the rotation of the annular chute 33, the push rod 36 can drive the triangular plate 26 to vertically move, then the lower press roller 24 is driven to vertically move through the triangular plate 26 to circularly press down materials through the connecting rod 22, and therefore crushing effect is guaranteed.
The lower press roll 24 comprises a circular block 4; the bottom end of the fixed column 23 is fixedly connected with a circular block 4, and two ends of the circular block 4 are rotatably connected with a second rotating shaft 41; the second rotating shafts 41 are fixedly connected with first rotating rollers 42; the moving plate 14 is provided with a fifth through groove 43; a pair of rack plates 44 are fixedly connected to the inner walls of the stepped surfaces of the first through grooves 13, and the rack plates 44 are slidably connected in the fifth through grooves 43; a third rotating shaft 46 is rotatably connected to the connecting rod 22; the two ends of the third rotating shaft 46 are fixedly connected with a first gear 45, and the first gear 45 is meshed with the rack plate 44; the third rotating shaft 46 and the second rotating shaft 41 are rotated by a transmission member; during operation, when the set square 26 drives the connecting rod 22 to move up and down, the connecting rod 22 drives the third rotating shaft 46 to move up and down, because the first gear 45 and the rack plate 44 are meshed with each other, the third rotating shaft 46 rotates, meanwhile, the lower pressing roller 24 is a circular block 4, the first rotating roller 42 and the second rotating shaft 41 are combined, the third rotating shaft 46 drives the second rotating shaft 41 to rotate through a transmission piece during rotation, and then drives the first rotating roller 42 to rotate, so that the first rotating roller 42 moves down and moves up and simultaneously can rotate, and during mineral aggregate screening, the agglomerated materials are scattered, and are not crushed (the screen body 1 is crushed due to overlarge vertical crushing force), at the moment, the rotating force of the first rotating roller 42 is utilized to just scatter the materials, so that the scattering range of the materials is enlarged, the scattering force of the materials is also enlarged, the crushing of the agglomerated materials is further ensured, meanwhile, the lower pressing roller 24 is horizontally arranged, and only the materials are scattered horizontally when the first rotating roller 42 rotates, so that the materials cannot gather towards the middle part of the screen body 1.
The transmission comprises a first sprocket 47 and a second sprocket 48; a pair of symmetrical first chain wheels 47 are fixedly connected on the third rotating shaft 46; a second sprocket 48 is fixedly connected to the outer side wall of the end part of the second rotating shaft 41; the first sprocket 47 and the second sprocket 48 are driven by a chain 49; during operation, the circular block 4 and the connecting rod 22 are fixed, and both the circular block 4 and the connecting rod 22 are meshed with the rack plate 44 when the first gear 45 moves up and down, so that the third rotating shaft 46 can be driven to rotate, at the moment, the second rotating shaft 41 can be driven to rotate through a chain 49 between the first sprocket 47 and the second sprocket 48, the second rotating shaft 41 can drive the first rotating roller 42 to rotate, and the rotating force of the first rotating roller 42 can be ensured.
A pair of first rotating rollers 42 are provided with first annular grooves 6 on opposite side walls; a second rotating roller 61 is connected in a sliding manner in the first annular groove 6, an L-shaped column 62 is fixedly connected to the outer surface of the second rotating roller 61, and the L-shaped column 62 penetrates through the connecting rod 22; the second rotating roller 61 is screwed on the second rotating shaft 41; during operation, because the L-shaped column 62 penetrates the connecting rod 22 and drives the second rotating roller 61 to move horizontally only, and because the second rotating roller 61 is slidably connected to the first annular groove 6 and is in threaded connection with the second rotating shaft 41, when the second rotating shaft 41 moves downwards to rotate, the pair of second rotating rollers 61 move towards the direction close to the circular block 4, so that materials between the second rotating roller 61 and the circular block 4 are extruded, a part of crushing effect can be further ensured, and because the cover plate 11 is a plurality of groups, the screen body 1 is in rotary operation, the materials cannot move linearly, all the materials can be crushed, meanwhile, because the pair of second rotating rollers 61 move oppositely, pressure is not caused on the screen mesh, the crushing effect on part of the materials is further ensured, and the screening efficiency on the materials is further ensured.
A second annular groove 63 is formed on the adjacent side wall of the pair of second rotating rollers 61; a conical block 64 is fixedly connected in the second annular groove 63 through a first spring 66; tapered grooves 65 are formed in the side walls of the two sides of the circular block 4; during operation, the materials are provided with miscellaneous materials, and the materials cannot be crushed, so that when the materials which cannot be crushed are clamped between the second rotating roller 61 and the circular block 4, the materials can be contracted through the first spring 66 of the conical block 64, the situation of rigid blocking is avoided, and meanwhile, when the materials have a crushable effect in the middle, the materials can be crushed through the extrusion force change of the first spring 66 between the conical block 64 and the conical groove 65, so that the crushing effect on the materials is further ensured.
The first rotating shaft 31 is square; a square through groove 5 is formed in the middle of the rotating column 32; the first rotating shaft 31 is slidably connected in the square through groove 5; the cover plate 11 is rotatably connected with a second threaded rod 54, and the bottom end of the second threaded rod 54 extends into the cover plate 11 and is in threaded connection with a concave plate 51; the concave plate 51 is rotatably connected with an annular plate 52, and the annular plate 52 is rotatably connected to the bottom end of the rotating column 32; a guide post 53 is fixedly connected to the bottom end of the cover plate 11, and the guide post 53 penetrates through the concave plate 51; during operation, because of the setting of annular chute 33, because push rod 36 is sliding connection in annular chute 33, the highest point and the minimum of annular chute 33 are the definite value, and then let push rod 36 when the slip in annular chute 33, the upper and lower travel distance of push rod 36 is the definite value, just contact each other with the screen cloth of screen frame 1 when the minimum of lower compression roller 24 pushes down, but when the unloading is carried out in the earlier stage, lower compression roller 24 can block the unloading efficiency of material, can rotate the threaded rod 54 through rotating the second, and then drive the spliced pole 32 and upwards move, and then adjust the distance between lower compression roller 24 and the screen cloth 1, can grind only the material top layer when earlier stage, according to the apron 11 that arranges in proper order, let the distance between lower compression roller 24 and the screen cloth shorten in proper order, lower compression roller 24 on the apron 11 of last is adjusted to the state that contacts each other with the screen cloth, and then under the state of guaranteeing earlier stage unloading efficiency, at last the abrasive treatment, can be suitable for the use of different mineral aggregates, and during operation, the second 54 rotates, can drive the recess plate 31 and then rotate the annular chute 32 through rotating the threaded rod 52 when can not rotate the upper and lower rotation plate 52, can not rotate the annular chute 32 through rotating the upper and lower rotation plate 52, can rotate the upper and lower rotation plate 52 through the rotatable annular chute 52, can not rotate the upper and lower rotation plate 52, and can rotate the upper and lower rotation plate 32, and can rotate the upper plate 32, and can rotate, and the upper plate 32, and the lower plate 32, and the effect can rotate, and the effect at the effect.
The cover plate 11 is provided with a first groove 56; a first fixing plate 57 is fixedly connected to the outer side wall of the first motor 3, and the first fixing plate 57 is connected in the first groove 56 through bolts; during operation, the first motor 3 can be removed from the first groove 56, and the first rotating shaft 31 is pulled out of the square through groove 5, so that when certain mineral materials are not required to be ground up and down, the first motor 3 can be removed at this time, and when the first motor 3 is placed on the screen 1, the rotation of the first motor can influence the internal parts of the screen, so that when the first motor 3 is not used, the first motor 3 is generally removed, and when only mineral materials to be ground are required, the first motor 3 is placed again, and the first rotating shaft 31 slides into the square through groove 5 to finish the rotation of the rotating column 32.
A limiting plate 55 is fixedly connected to the bottom end of the guide post 53; during operation, the limiting plate 55 carries out limiting treatment on the concave plate 51, and then limits the whole pressing piece, so that the lowest point of pressing down of the pressing piece is ensured, and the mutual contact between the pressing roller 24 and the screen of the screen body 1 is avoided.
Working principle: because the plane rotary screen is sealed, the cover plates 11 are needed to be sealed, after a group of cover plates 11 are mounted on the screen body 1 through bolts, the lowest position of the movable plate 14 is just contacted with the screen, after the cover plates 11 are mounted through bolts, the movable plate 14 is enabled to move up and down in the first through groove 13 through the rotation of the first threaded rod 15, the distance between the bottom ends of the movable plate 14 and the screen mesh of the screen body 1 is adjusted, because the cover plates 11 are generally in a plurality of groups, the plane rotary screen has an inclination angle, the heights of different movable plates 14 can be adjusted according to the number and the positions of the cover plates 11, so that materials can be conveniently and sequentially spread down layer by layer, the downward movement of the materials can not be gathered towards the middle part again due to the rotation of the screen body 1, the materials in the screen body 1 are ensured to be spread down on the screen mesh, the screen cloth can be guaranteed to uniformly screen materials, the rapid damage of the middle part of the screen cloth can be effectively avoided, the replacement frequency of the screen cloth is reduced, meanwhile, the screen cloth can be completely screened, when the material is fed in a large quantity, the screening efficiency can be guaranteed, the screening quality is further guaranteed, standard materials are effectively prevented from remaining in impurity discharging materials, meanwhile, a pressing piece is arranged in the moving plate 14, after the materials are split and uniformly spread by the moving plate 14, the materials are subjected to primary pressing treatment by the pressing piece, a plurality of agglomeration clusters are formed in mineral materials and are not easy to be rotated and crushed by the rotary plane screen, the agglomerated powder materials are crushed by the pressing piece, the material is guaranteed to be in a dispersed state, and the screen cloth is guaranteed to be screened; when the triangle 26 drives the connecting rod 22 to move up and down, the connecting rod 22 drives the third rotating shaft 46 to move up and down, and the first gear 45 and the rack plate 44 are meshed with each other, so that the third rotating shaft 46 rotates, meanwhile, the lower pressing roller 24 is a combination of the round block 4, the first rotating roller 42 and the second rotating shaft 41, the third rotating shaft 46 drives the second rotating shaft 41 to rotate through a transmission piece when rotating, and then drives the first rotating roller 42 to rotate, so that the first rotating roller 42 moves down and moves up and simultaneously can rotate, and when mineral aggregate is screened, the agglomerated material is scattered and not crushed (the screen 1 is crushed due to overlarge vertical crushing force), and the rotating force of the first rotating roller 42 is utilized to exactly scatter the material, so that the scattering range of the material is enlarged, and meanwhile, the scattering force of the agglomerated material is further ensured, the lower pressing roller 24 is horizontally arranged, and when the first rotating roller 42 rotates, the material is only scattered horizontally, and the material cannot be gathered towards the middle part of the screen 1; because of the setting of annular chute 33, let push rod 36 upper and lower distance be the fixed value, just be the screen cloth of screen cloth 1 when the minimum that lower compression roller 24 pushed down contacts each other, but when earlier stage goes on unloading, lower compression roller 24 can block the unloading efficiency of material, this can be through rotating second threaded rod 54, and then drive rotation post 32 and upwards remove, and then adjust the distance between lower compression roller 24 and the screen cloth of screen cloth 1, can grind only the material top layer in earlier stage, adjust in proper order according to the apron 11 that arranges in proper order, let the distance between lower compression roller 24 and the screen cloth shorten in proper order, the lower compression roller 24 on the last apron 11 adjusts to the state that contacts each other with the screen cloth, and then under the state of guaranteeing earlier stage unloading efficiency, carry out grinding at last, can be suitable for the use of different mineral aggregates simultaneously, and during operation, second threaded rod 54 rotates, can drive concave plate 51 and remove, and then drive rotation post 32 through annular plate 52 and upwards remove, and be the rotation connection between rotation post 32, can not influence plate 52, simultaneously rotate the rotation post 32, can not influence annular chute 32 simultaneously through the rotation post 31 on the upper and lower rotation post 32, can be guaranteed by rotation by the rotation of the upper and lower rotation post 31, can not be guaranteed by the rotation of annular chute 33.
The front, rear, left, right, up and down are all based on fig. 1 in the drawings of the specification, the face of the device facing the observer is defined as front, the left side of the observer is defined as left, and so on, according to the viewing angle of the person.
In the description of the present invention, it should be understood that the terms "center," "longitudinal," "lateral," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present invention and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the scope of the present invention.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (4)
1. A mineral aggregate screening is with plane rotary screen which characterized in that: comprises a screen body (1); a group of cover plates (11) are connected to the screen body (1) through bolts; the bottom end of the cover plate (11) is fixedly connected with a second fixing plate (12); the second fixing plate (12) is an isosceles triangle; a first through groove (13) is formed in the bottom end of the second fixing plate (12); a moving plate (14) is connected in a sliding way in the first through groove (13); the top-down cross sections of the moving plate (14) and the second fixed plate (12) are isosceles triangles, and the isosceles inclined surfaces are stepped surfaces; a group of second through grooves (25) are formed in the moving plate (14), and the group of second through grooves (25) corresponds to the group of step surfaces; the cover plate (11) is rotatably connected with a first threaded rod (15), the first threaded rod (15) penetrates through the moving plate (14), and the first threaded rod (15) is in threaded connection with the moving plate (14); a pressing piece is arranged in the second through groove (25); a feeding hole is formed in the upper middle of the cover plate (11), and the feeding hole is positioned at the front side of the tip of the second fixed plate (12);
the hold-down piece comprises triangular grooves (2); a triangular groove (2) is formed in the top end of the moving plate (14); a group of connecting grooves (21) are formed in the top end of the moving plate (14), and the second through grooves (25) are communicated with the triangular grooves (2) through the connecting grooves (21); a triangle plate (26) is connected in a sliding way in the triangle groove (2); a connecting rod (22) is connected in the connecting groove (21) in a sliding way, one end of the connecting rod (22) is fixedly connected to a triangle (26), and the other end of the connecting rod extends into the second through groove (25) and is fixedly connected with a fixing column (23); the bottom end of the fixed column (23) is provided with a lower pressing roller (24); the lower pressing roller (24) moves up and down through a power unit;
the power unit comprises a first motor (3); the cover plate (11) is provided with a first motor (3), the output end of the first motor (3) is provided with a first rotating shaft (31), and the first rotating shaft (31) stretches into the cover plate (11) and is provided with a rotating column (32); an annular chute (33) is formed on the outer surface of the rotating column (32); a third through groove (34) is formed in the side wall of the second through groove (25) in the middle of the moving plate (14); a fourth groove (35) is formed in the side wall of the middle of the second fixing plate (12), the fourth groove (35) and the third groove (34) are positioned on the same vertical surface, and the fourth groove and the third groove are mutually communicated; a push rod (36) is connected in a sliding manner in the third through groove (34), one end of the push rod (36) extends into the second through groove (25) in the middle of the moving plate (14) and is fixedly connected to the side wall of the connecting rod (22), and the other end of the push rod penetrates through the fourth through groove (35) and is positioned in the annular chute (33);
the lower press roll (24) comprises a circular block (4); a round block (4) is fixedly connected to the bottom end of the fixed column (23), and a second rotating shaft (41) is rotatably connected to two ends of the round block (4); the second rotating shafts (41) are fixedly connected with first rotating rollers (42); a fifth through groove (43) is formed in the moving plate (14); a pair of rack plates (44) are fixedly connected to the inner walls of the stepped surfaces of the first through grooves (13), and the rack plates (44) are slidably connected in the fifth through grooves (43); a third rotating shaft (46) is rotatably connected to the connecting rod (22); the two ends of the third rotating shaft (46) are fixedly connected with first gears (45), and the first gears (45) are meshed with the rack plate (44); the third rotating shaft (46) and the second rotating shaft (41) rotate through a transmission piece;
the transmission member comprises a first sprocket (47) and a second sprocket (48); the third rotating shaft (46) is fixedly connected with a symmetrical first chain wheel (47) on the shaft; a second sprocket (48) is fixedly connected on the outer side wall of the end part of the second rotating shaft (41); the first sprocket (47) and the second sprocket (48) are driven by a chain (49);
a pair of first rotating rollers (42) are provided with first annular grooves (6) on the opposite side walls; a second rotating roller (61) is connected in a sliding manner in the first annular groove (6), an L-shaped column (62) is fixedly connected to the outer surface of the second rotating roller (61), and the L-shaped column (62) penetrates through the connecting rod (22); the second rotating roller (61) is connected to the second rotating shaft (41) in a threaded manner;
a second annular groove (63) is formed in the adjacent side wall of the pair of second rotating rollers (61); a conical block (64) is fixedly connected in the second annular groove (63) through a first spring (66); conical grooves (65) are formed in the side walls of the two sides of the round block (4).
2. A planar rotary screen for mineral aggregate screening according to claim 1, wherein: the first rotating shaft (31) is square; a square through groove (5) is formed in the middle of the rotating column (32); the first rotating shaft (31) is connected in the square through groove (5) in a sliding mode; the cover plate (11) is rotatably connected with a second threaded rod (54), and the bottom end of the second threaded rod (54) extends into the cover plate (11) and is in threaded connection with a concave plate (51); the concave plate (51) is rotatably connected with an annular plate (52), and the annular plate (52) is rotatably connected to the bottom end of the rotating column (32); a guide post (53) is fixedly connected to the bottom end of the cover plate (11), and the guide post (53) penetrates through the concave plate (51).
3. A planar rotary screen for mineral aggregate screening according to claim 2, wherein: the cover plate (11) is provided with a first groove (56); a first fixing plate (57) is fixedly connected to the outer side wall of the first motor (3), and the first fixing plate (57) is connected in the first groove (56) through bolts.
4. A planar rotary screen for mineral aggregate screening according to claim 3, wherein: and a limiting plate (55) is fixedly connected to the bottom end of the guide post (53).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202310598798.3A CN116273873B (en) | 2023-05-25 | 2023-05-25 | Plane rotary screen for mineral aggregate screening |
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| CN202310598798.3A CN116273873B (en) | 2023-05-25 | 2023-05-25 | Plane rotary screen for mineral aggregate screening |
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Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN206578009U (en) * | 2016-11-12 | 2017-10-24 | 江阴市宏丰塑业有限公司 | It is easy to the vibratory sieve of discharging |
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| US6565698B1 (en) * | 1993-04-30 | 2003-05-20 | Varco I/P, Inc. | Method for making vibratory separator screens |
| JP2001113230A (en) * | 1999-10-14 | 2001-04-24 | Nikko Co Ltd | Crushing and selecting treatment apparatus |
| US20080202990A1 (en) * | 2007-02-13 | 2008-08-28 | Deborah Morrow | Sieve box screen attachment |
| WO2014051171A1 (en) * | 2012-09-27 | 2014-04-03 | Kim Eun-Kyung | Device for removing oxidation rust from scrap iron |
| CN107812561A (en) * | 2017-12-12 | 2018-03-20 | 成都利君实业股份有限公司 | A kind of high pressure roller scattering and grading closed-circuit grinding environment friendly system |
| CN209783124U (en) * | 2018-12-12 | 2019-12-13 | 泰州市中医院 | Drying device for traditional Chinese medicine processing |
| CN211247244U (en) * | 2019-12-23 | 2020-08-14 | 榆林大兴环保科技集团有限公司 | Rolling screen |
| CN112191501A (en) * | 2020-09-14 | 2021-01-08 | 马建龙 | Fertilizer sieving mechanism for agricultural machine |
| CN215918217U (en) * | 2021-10-11 | 2022-03-01 | 横县职业教育中心 | Screening effectual jasmine tea screening plant |
| CN217190853U (en) * | 2022-05-17 | 2022-08-16 | 河南省平原矿山机械有限公司 | Side-opening door compound plane rotary screen |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN206578009U (en) * | 2016-11-12 | 2017-10-24 | 江阴市宏丰塑业有限公司 | It is easy to the vibratory sieve of discharging |
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