CN107029836B - Self-grinding and self-breaking roller screen - Google Patents
Self-grinding and self-breaking roller screen Download PDFInfo
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- CN107029836B CN107029836B CN201710403436.9A CN201710403436A CN107029836B CN 107029836 B CN107029836 B CN 107029836B CN 201710403436 A CN201710403436 A CN 201710403436A CN 107029836 B CN107029836 B CN 107029836B
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- rollers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C17/00—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls
- B02C17/02—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls with perforated container
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C17/00—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls
- B02C17/18—Details
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C17/00—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls
- B02C17/18—Details
- B02C17/20—Disintegrating members
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/18—Drum screens
- B07B1/22—Revolving drums
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/42—Drive mechanisms, regulating or controlling devices, or balancing devices, specially adapted for screens
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/46—Constructional details of screens in general; Cleaning or heating of screens
- B07B1/4609—Constructional details of screens in general; Cleaning or heating of screens constructional details of screening surfaces or meshes
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/62—Plastics recycling; Rubber recycling
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- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Crushing And Grinding (AREA)
- Combined Means For Separation Of Solids (AREA)
Abstract
The invention relates to a self-grinding and self-breaking roller screen, which comprises a driving system, a base, rollers, a longitudinal beam and a screen plate, wherein the driving system and the rollers are arranged on a base frame; the screen bars are strip-shaped, one side vertical edge of each screen bar is called a working part, the other side vertical edge is called an abdomen, the working parts of the screen bars are convex edges, the screen bars are arranged on the ring beam inner ring at intervals, each screen bar is distributed along the direction of a bus of the screen plate, a gap between the screen bar and the screen bar forms a screen slot, and at least one lifting slot plate is arranged on the screen plate; the screen plate is connected with the inner ring of the roller through a longitudinal beam to form a roller screen body, the rollers are arranged on the base, and two rollers are supported under one roller. The advantages are that: the integrated stripping, crushing, self-grinding and screening integrated device is suitable for processing large-scale refractory industrial solid wastes and building material solid wastes.
Description
Technical Field
The invention relates to a self-grinding self-breaking roller screen, belonging to the technical field of crushing, grinding and covering material paradox separation and screening of materials.
Background
In the prior art, the grinding, breaking, sieving and stripping of materials respectively adopt different equipment, and the equipment belongs to different fields. The conventional mill includes: self-grinding machine, ball mill, rod mill, raymond mill; the motor has the advantages of high motor power, high energy consumption, easy bearing damage, easy lining plate grinding, difficult replacement, low productivity, incapability of separating coarse materials from fine materials in real time, high production cost, small feeding particle size and the like. The existing crusher comprises: , impact, vertical shaft and cone break all have the defects of incapability of stripping slag and iron when the metallurgical slag is large, limited feeding machine type, small feeding grain diameter, indiscriminate thickness, excessive crushing of materials, resource waste and the like. The existing roller screen comprises a crushing roller screen which only breaks casting sand and modules, a central shaft, a supporting frame, rollers, a screen and a spiral feeding plate are easy to wear, the screen or the joist is difficult to maintain, the screen or the joist is not resistant to smashing, cannot bear heavy load and can not screen larger materials, harder materials such as ore and metallurgical slag cannot be crushed, the structure of the crushing roller screen is unreasonable, the middle section of the crushing roller screen is not unloaded, the strips are not selected to have the particle size supported, the production cost is high, the vulnerable parts are frequently replaced, the productivity is low, slag cannot be stripped from iron, the stripped slag cannot be separated into oversize and undersize in time, the screen slot gap is adjustable on site and is not wasted, and the replacement time is short. The effects of self-grinding, self-breaking, screening, stripping and the like cannot be synchronously realized, and the defects of self-grinding, self-breaking, self-screening, slag-iron separation, coal-stone separation and the like of the horizontal installation material flow of the rolling screen, which is gradually widened by a groove, naturally moves forward, cannot be further realized. Three devices in the prior art have the defects of single performance, repeated and complicated steps including feeding, discharging, conveying, occupying the ground, constructing, manually working, lubricating, maintaining, consuming energy, protecting environment, being incapable of being linked and the like.
Disclosure of Invention
The invention aims to provide the self-grinding and self-breaking roller screen which has the integrated functions of stripping, crushing, self-grinding and screening, has the advantages of simplicity in operation, convenience in use, convenience in movement, smash resistance, high temperature resistance, low loss, low energy consumption, high productivity, low cost, environmental friendliness and the like, and is suitable for processing large-scale difficult-to-handle industrial solid wastes and building material solid wastes.
The technical scheme of the invention is as follows:
the utility model provides a self-sharpening is from broken roller screen, includes actuating system, base, gyro wheel, cylinder, vertical roof beam, sieve, characterized by: the base is of a frame structure, a driving system and rollers are mounted on the base frame, the sieve plate consists of a ring beam and a sieve strip, the shape of the sieve plate is cylindrical or in a truncated cone shape, one end of the sieve plate is a feeding end, and the other end of the sieve plate is a discharging end; the screen bars are in a strip shape, one vertical edge of each screen bar is called a working part, the other vertical edge of each screen bar is called an abdomen, the working parts of the screen bars are in a convex edge shape, the screen bars are arranged on the ring beam inner ring at intervals, each screen bar is distributed along the bus direction of the screen plate, the working parts of the screen bars face the axis of the screen plate, a gap between each screen bar and each screen bar forms a screen slot, at least one lifting trough plate is arranged on the screen plate, each lifting trough plate replaces one screen bar on the screen plate, and the end face of each lifting trough plate, which faces the edge of the axis of the screen plate, is higher than the inner side plate face of the screen plate formed by the working parts of other screen bars; the screen plate is connected with the inner ring of the roller through a longitudinal beam to form a roller screen body, the rollers are arranged on the base, and two rollers are supported under one roller.
The longitudinal beam is arranged between the roller and the ring beam of the screen plate;
the longitudinal beams are distributed on the inner ring of the roller at equal intervals;
a hollowed groove is formed in the plate surface of the lifting groove plate, and the groove width of the hollowed groove is smaller than or equal to the width of the sieve groove;
a connecting vertical edge is arranged on the inner ring of the ring beam, and a connecting wing edge is arranged on one side of the connecting vertical edge;
a supporting edge is arranged at the top end of the connecting vertical edge;
the cross section of one end of the working part of the screen bar is arc-shaped or triangular, so that the working part of the screen bar forms a convex edge;
at least one position of the screen bar belly is provided with a screen bar support frame integrated with the screen bar, the thickness of the screen bar support frame is smaller than that of the corresponding screen bar belly, one side of the screen bar support frame opposite to the discharge end of the screen plate is provided with a connecting groove, one side opposite to the feed end of the screen plate is provided with a U-shaped groove or a hole, the connecting groove on the screen bar support frame is clamped into the ring beam connecting wing edge, and a fixing rib plate is arranged in the U-shaped groove or the hole and used for fixing the screen bar connecting gap to prevent the screen bar from laterally moving upside down; the rib plates are enclosed into a circular ring shape on the sieve plate and are fastened with the ring beam by opposite plate pull bolts;
the root of the connecting vertical edge of the ring beam is connected with the inner ring of the ring beam into a whole, the connecting wing edge is arranged in a connecting groove of the screen bar supporting frame, and the supporting edge supports the abdomen of the screen bar;
the rolling screen body comprises a roller or two rollers with equal inner diameters which are coaxially and alternately arranged; when the roller screen body only comprises one roller, the roller is connected to the middle part of the outer ring of the screen plate through a longitudinal beam; when the roller screen body comprises two rollers, the two rollers are connected and positioned through longitudinal beams, and the two rollers are respectively connected to two ends of the outer ring of the screen plate through the longitudinal beams;
the angle between the screen plate bus and the axis is 0-10 degrees; the angle between the generatrix of the cylindrical sieve plate and the axis is 0-1 degree, and the angle between the generatrix of the round table-shaped sieve plate and the axis is 1-10 degrees; the sieve grooves are narrow in sieve plate feeding end and wide in sieve plate discharging end, and gradually widened from the sieve plate feeding end to the sieve plate discharging end along the material flowing direction;
for a cylindrical sieve plate, the abdomen of the sieve strip is thick at the feed end of the sieve plate and thin at the discharge end of the sieve plate, and gradually thickens from the thick end to the thick end;
when the sieve plate is cylindrical, circular slide-preventing plates for preventing materials from leaking are arranged on the inlet end port and the outlet end port of the sieve plate so as to retain and promote the materials to be further crushed or self-ground; when the sieve plate is in a truncated cone shape, the end with the small inner diameter is a feeding end, and a circular slide-preventing plate for preventing materials from leaking is arranged on the port of the feeding end;
the outer ring of the roller is provided with a groove, and the roller is supported in the groove of the roller;
for a roller screen with only one roller on the roller screen body, the roller and the roller can be replaced by an electric roller device or by a tooth roller and a tooth roller;
for the rolling screen with two rollers on the rolling screen body, the rollers adopt rubber tires, two coaxial rollers supported on the same side of the rolling screen body are in a group, two rollers in the group are connected by a load axle, at least one group of rollers are driving rollers, a motor enables the driving rollers to roll in the roller grooves through the load axle and a transmission device thereof, and the rollers and the driven rollers are driven to rotate through friction;
an auxiliary supporting wheel is arranged below the roller;
for a rolling screen with only one roller on the rolling screen body, at least one ring beam is arranged at the middle waist part of the screen plate, and the ring beam at the middle waist part of the screen plate is connected with the inner ring of the roller through a longitudinal beam; for a rolling screen with two rollers on a rolling screen body, at least one ring beam is respectively arranged at two ends of a screen plate, the ring beams at the two ends of the screen plate are respectively connected with the inner ring of one roller through longitudinal beams, the diameters of the two ring beams are unequal or equal, when the diameters of the two ring beams are unequal, the diameter of the ring beam at the feeding end of the screen plate is small, the diameter of the ring beam at the discharging end of the screen plate is large, and the shape of the screen plate is in a round table shape;
the screen groove forms a discharging outlet of the rolling screen body;
fixed supporting legs and track moving rollers are arranged below the base frame;
when the width of the screening groove is consistent with the required standard of the blanking sheet material, a plurality of annular auxiliary reinforcing steel bar screens or mesh-shaped auxiliary screens are transversely arranged on the outer ring of the screen plate;
more than one section of rolling screen bodies can be arranged on the base frame, each section of rolling screen body is provided with a corresponding roller support, and the rolling screen bodies are connected in series; more than one rolling screen can be connected in series; the diameters of the discharge holes of the front section sieve plates are equal to or smaller than or larger than the diameters of the feed holes of the rear section sieve plates when the rolling sieve bodies are connected in series or the rolling sieves are connected in series;
when the two sections of sieve plates or the two sections of roller sieves are linked, the diameter of the discharge hole of the front section is equal to or smaller than or larger than the diameter of the feed hole of the lower section of sieve plate;
a motor drives at least one set of axles and tires and drives at least one rolling screen body to rotate.
The invention has the advantages that:
1. the internal circulation of the rolling screen body is simple, integrated, efficient and multifunctional. Is suitable for the transformation and the upgrading of metallurgical slag, coking, coal, building aggregate, mine broken stone, building rubbish and the existing large, medium and small production lines. Is especially suitable for crushing and screening large solid waste metallurgical slag, gangue, construction waste and various ores with low hardness. The practical difficulty that the traditional crusher, ball mill, autogenous mill and roller screen can not solve the problem is overcome.
2. The practicability is strong, and the consumption is reduced and high efficiency is achieved. The material selecting support is used for lifting high materials, effectively avoiding overgrinding, realizing that the material with the particle size is instantly screen discharging, and the working part of the screen bar is in a convex prism shape, so that multiple functions of grinding, breaking, cutting, breaking off, contradicting separation, rapid screening and the like of the material can be realized. The device can realize breaking and screening, greatly improve productivity, greatly save consumable materials such as steel balls, lining plates, bearings, lubricating oil and the like, has simple maintenance, improves production platform and reduces production cost. The discharge thickness is divided into first parts, the clearance between the sieve grooves is convenient to adjust, and proper clean materials are beneficial to self-grinding. The machine integrates grinding, breaking, stripping and screening, and obviously saves various links such as feeding, conveying, manual on duty and the like which are necessary for each extension machine.
3. Energy saving, environment protection, consumption reduction and small power requirement. The roller screen body is simple and easy to seal.
4. The roller screen has no central axle, large caliber, no obstruction to the material inlet and outlet, greatly raised productivity, and firm and wear-resisting screen bar thickness.
5. Because the discharge end of the sieve groove between the sieve bars is wider than the feed end, the power-assisted material moves towards the direction of the discharge hole, the angle of the conical sieve cylinder is small, the discharge speed is adjustable, and the gap is adjustable.
6. The roller and the roller screen are horizontally arranged on the bracket, so that the roller screen is easy to install and maintain, small in occupied space, and overcomes the defects of uneven inclined stress, easy equipment and difficult feeding of a feeding end. A plurality of rolling screens can be synchronously arranged on the bracket.
7. The rolling screen can rotate forward and backward. The damage of the vulnerable part is prevented, the stable running balance is achieved, the service life is long, and the production safety is high.
8. The connecting grooves of the screen bar supporting frames are obviously flexible. The screen bars are free to assemble and disassemble, the gap is adjustable, the replacement is simple, and the fastening is convenient.
9. The sieve groove width is gradually increased, so that the material is promoted to naturally move forwards, the material is not clamped, the difference between the inner diameter and the outer diameter of the round table-shaped sieve plate is reduced, the round table angle is small, the safety is high, the production stability is high, the installation and the operation are easy, the maintenance is easy, the matching is easy, and the observation is easy.
10. When the two sections of rolling screen bodies and the two rolling screens are connected, the diameter of the discharge hole of the front section of screen plate along the material flow direction is equal to or smaller than or larger than the diameter of the feed hole of the lower section of screen plate. The structure is different, the action effect is different, the change of the structure is adjusted according to the material difference, and the measures of controlling the grinding degree, the breaking degree and the discharging time are wide.
11. The automobile rear axle and the tire transmission device are utilized to rotate, so that the automobile rear axle and tire transmission device is low in cost, high in efficiency, large in torsion, good in vibration reduction effect and low in matching cost.
12. The invention has the advantages of high safety, low failure rate, small vibration, stable production, capability of producing materials in wet, water-washed and viscous states, easy full sealing and environmental protection.
13. The sieve is characterized in that flaky materials are screened under the sieve, for example, an outer ring of a sieve plate with standard particle size can be additionally provided with an auxiliary rib net.
14. The invention has integrated stripping, crushing, self-grinding and screening functions. The method has the advantages of simple operation, convenient use, convenient movement, smash resistance, high temperature resistance, low loss, low energy consumption, high productivity, low cost, environmental protection and the like, is suitable for processing massive refractory industrial solid wastes and building material solid wastes, is integrated and matched, and has high cost performance and obvious advantages.
Drawings
FIG. 1 is a schematic elevational view of the present invention;
FIG. 2 is a schematic side view of the present invention;
fig. 3 is a schematic structural view of the rolling screen body provided with two sections of rolling screen bodies connected in series on the base frame.
Detailed Description
Examples: the rolling screen body is provided with two rollers and is mainly applied to the rolling screen with the length of the rolling screen body exceeding 1.5 meters.
Referring to the drawings, a self-grinding and self-breaking roller screen comprises a driving system, a base 1, rollers 2, rollers 3, a longitudinal beam 10 and a screen plate, wherein the base is of a frame structure, fixed supporting legs 19 are arranged below the base frame, rail-moving rollers 7 are arranged on the base frame, the driving system 17 and the rollers 2 are arranged on the base frame, the screen plate consists of ring beams 9 and screen bars 5, the shape of the screen plate is cylindrical or circular truncated cone, one end of the screen plate is a feeding end 16, and the other end of the screen plate is a discharging end 20; the screen bars are in a strip shape, one vertical edge of each screen bar is called a working part, the other vertical edge of each screen bar is called an abdomen, the working parts of the screen bars are in a convex edge shape, the screen bars are arranged on the ring beam inner ring at intervals, each screen bar is distributed along the bus direction of the screen plate, the working parts of the screen bars face the axis of the screen plate, a gap between each screen bar and each screen bar forms a screen groove 4, at least one lifting trough plate 6 is arranged on the screen plate, each lifting trough plate replaces one screen bar on the screen plate, and the end face of each lifting trough plate, which faces the edge of the axis of the screen plate, is higher than the inner side plate face of the screen plate formed by the working parts of other screen bars; the screen plate is connected with the inner ring of the roller through a longitudinal beam to form a roller screen body, the rollers are arranged on the base, and two rollers are supported under one roller.
The longitudinal beam is arranged between the roller and the ring beam of the screen plate;
the longitudinal beams are distributed on the inner ring of the roller at equal intervals;
the plate surface of the lifting groove plate is provided with a hollow groove, the groove width of the hollow groove is smaller than or equal to the width of the sieve groove, so that applicable materials with particle sizes are not lifted, and excessive crushing caused by further crushing is prevented, so that the productivity is increased; the lifting groove plate can be formed by arranging two screen bars up and down; in practice, a screen bar which is already installed can be selected on the screen plate, a screen bar is fixed above the working part of the screen plate by using a connecting plate, a screen bar support frame of the upper screen bar is contacted with the working part of the lower screen bar, and a hollow groove is formed between the belly of the screen bar without the screen bar support frame of the upper screen bar and the working part of the lower screen bar;
a connecting vertical edge is arranged on the inner ring of the ring beam, and a connecting wing edge 11 is arranged on one side of the connecting vertical edge;
a supporting edge 15 is arranged at the top end of the connecting vertical edge;
the cross section of one end of the working part of the screen bar is arc-shaped or triangular, so that the working part of the screen bar forms a convex edge; at least one position of the belly of the screen bar is provided with a screen bar support frame 12 which is integrated with the screen bar, the thickness of the screen bar support frame is smaller than that of the belly of the corresponding screen bar, one side of the screen bar support frame opposite to the discharge end of the screen plate is provided with a connecting groove, one side opposite to the feed end of the screen plate is provided with a U-shaped groove 13 or a hole, the connecting groove on the screen bar support frame is clamped into the ring beam connecting wing edge, and a fixing rib plate is arranged in the U-shaped groove or the hole and used for fixing the screen bar connecting gap to prevent the screen bar from laterally moving upside down; the rib plates are enclosed into a circular ring shape on the sieve plate and are fastened with the ring beam by opposite plate pull bolts;
the root of the connecting vertical edge of the ring beam is connected with the inner ring of the ring beam into a whole, the connecting wing edge is arranged in a connecting groove of the screen bar supporting frame, and the supporting edge supports the abdomen of the screen bar;
the rolling screen body comprises two coaxially spaced rollers with equal inner diameters, the two rollers are connected and positioned through longitudinal beams, and the two rollers are respectively connected to two ends of the outer ring of the screen plate through the longitudinal beams;
the angle between the screen plate bus and the axis is 0-10 degrees; the angle between the generatrix of the cylindrical sieve plate and the axis is 0-1 degree, the angle between the generatrix of the round table-shaped sieve plate and the axis is 1-10 degrees, the sieve groove is narrow in the feeding end of the sieve plate and wide in the discharging end of the sieve plate, and the sieve groove of the sieve plate is gradually widened from the feeding end of the sieve plate to the discharging end of the sieve plate along the material flowing direction;
for a cylindrical sieve plate, the abdomen of the sieve strip is thick at the feed end of the sieve plate and thin at the discharge end of the sieve plate, and gradually thickens from the thick end to the thick end;
when the sieve plate is cylindrical, the circular slide-resisting plates 14 for preventing the materials from leaking are arranged on the inlet end port and the outlet end port of the sieve plate so as to retain and promote the materials to be further crushed or self-ground; when the sieve plate is in a truncated cone shape, the end with the small inner diameter is a feeding end, and a circular slide-preventing plate for preventing materials from leaking is arranged on the port of the feeding end;
the outer ring of the roller is provided with a groove 8, and the roller is supported in the groove of the roller;
there are two cylinders on the roller screen body, the gyro wheel adopts the rubber tire, supports in two coaxial gyro wheels of roller screen body homonymy and is a set of, and two gyro wheels in a set of adopt the load axle to connect, and a set of gyro wheel is initiative gyro wheel, and the motor passes through load axle and transmission makes initiative gyro wheel roll in the cylinder recess, drives roller screen and passive gyro wheel through the friction and rotates, wherein: the motor and the load axle form a drive system 17;
an auxiliary supporting wheel is arranged below the roller;
the two ends of the screen plate are respectively provided with a ring beam, the middle part of the screen plate is also provided with a ring beam, the ring beams at the two ends of the screen plate are respectively connected with the inner ring of a roller through longitudinal beams, the diameters of the two ring beams are unequal or equal, when the diameters of the two ring beams are unequal, the ring beam at the feeding end of the screen plate has small diameter, the ring beam at the discharging end of the screen plate has large diameter, and the shape of the screen plate is in a round table shape;
the screen groove forms a discharging outlet 18 of the rolling screen body, and a material collecting hopper 21 is arranged in a base frame below the rolling screen body;
when the width of the screening groove is consistent with the required standard of the blanking sheet material, a plurality of annular auxiliary reinforcing steel bar screens or mesh-shaped auxiliary screens are transversely arranged on the outer ring of the screen plate;
more than one section of rolling screen bodies can be arranged on the base frame, each section of rolling screen body is provided with a corresponding roller support, and the rolling screen bodies are connected in series; more than one rolling screen can be connected in series; the diameters of the discharge holes of the front section sieve plates are equal to or smaller than or larger than the diameters of the feed holes of the rear section sieve plates when the rolling sieve bodies are connected in series or the rolling sieves are connected in series; when the two sections of sieve plates or the two sections of roller sieves are linked, the diameter of the discharge hole of the front section is equal to or smaller than or larger than the diameter of the feed hole of the lower section of sieve plate; a motor drives at least one set of axles and tires and drives at least one rolling screen body to rotate.
When the length of the roller screen body is less than 1.5 meters, a structure with only one roller can be adopted, and the roller is connected to the middle part of the outer ring of the screen plate through a longitudinal beam; the rollers and drums can be replaced by electric drum means or by tooth rollers and tooth drums.
The invention is suitable for the grinding, breaking, sieving and stripping integrated circulation of metallurgical slag, coke, coal mine, gangue, silica, rock stripping and the like in one equipment production, and realizes an intra-machine circulation industrial chain structure. The defects of high motor energy consumption, easy bearing damage, large lining plate abrasion, difficult immediate separation of coarse and fine materials, high production and manufacturing cost, small feeding grain diameter and the like of an autogenous mill, a ball mill and a rod mill are overcome; changes the existing crusher: the size of the imported materials is not communicated and crushed, so that the materials with the proper particle size are crushed, resources are wasted, the capacity is low, the energy consumption is high, the production cost is high, the size of the crusher is difficult to match with the size of the materials, the size of the crusher is more difficult to match with the size of the materials, and the metallurgical slag cannot be crushed directly, and the wrapped slag and iron cannot be peeled off; the roller screen has the advantages that the defects that a central shaft and a cross frame exist in an existing roller screen, a material inlet and a material outlet are difficult to maintain and replace, the productivity is low, the inclination angle is large, or a rotating plate is required to be arranged in a screen cylinder for discharging, a roller and a roller are in hard rail operation, a screen is not wear-resistant, vibration and inclination cannot bear and crush heavy materials, a shaft is flexible and easy to break, a bearing is easy to sand and wear, slag and iron cannot be stripped, stripped slag cannot be separated into oversize materials and undersize materials in time, sheet materials smaller than a screen slot cannot be classified under the screen, quick screening cannot be realized without a triangular screen bar, immediate breaking, immediate grinding, immediate screening, immediate separation efficacy cannot be realized, on-site adjustability of a screen slot gap cannot be realized, screen material waste cannot be realized, and defects such as cutting, breaking, smashing, mutual grinding, self breaking, screening and the like cannot be synchronously realized, and the defects such as automatic grinding, self-screening, slag-steel separation, sheet material classification smaller than a slot width and the like cannot be realized. And the existing roller screen can not selectively lift massive materials to high points, and has the defects of feeding, discharging, conveying, occupying space, constructing and constructing, manually operating, lubricating, maintaining, energy consumption, consumable materials, environment-friendly sealing, large noise, large vibration, low friction force and the like.
Claims (9)
1. The utility model provides a self-sharpening is from broken roller screen, includes actuating system, base, gyro wheel, cylinder, vertical roof beam, sieve, characterized by: the base is of a frame structure, a driving system and rollers are mounted on the base frame, the sieve plate consists of a ring beam and a sieve strip, the shape of the sieve plate is cylindrical or in a truncated cone shape, one end of the sieve plate is a feeding end, and the other end of the sieve plate is a discharging end; the screen bars are in a strip shape, one vertical edge of each screen bar is called a working part, the other vertical edge of each screen bar is called an abdomen, the working parts of the screen bars are in a convex edge shape, the screen bars are arranged on the ring beam inner ring at intervals, each screen bar is distributed along the bus direction of the screen plate, the working parts of the screen bars face the axis of the screen plate, a gap between each screen bar and each screen bar forms a screen slot, at least one lifting trough plate is arranged on the screen plate, each lifting trough plate replaces one screen bar on the screen plate, and the end face of each lifting trough plate, which faces the edge of the axis of the screen plate, is higher than the inner side plate face of the screen plate formed by the working parts of other screen bars; the screen plate is connected with the inner ring of the roller through a longitudinal beam to form a roller screen body, the rollers are arranged on the base, and two rollers are supported under one roller; the plate surface of the lifting groove plate is provided with a hollow groove, the groove width of the hollow groove is smaller than or equal to the width of the screen groove, the lifting groove plate is formed by arranging two screen bars up and down, the screen bar support frame of the upper screen bar is contacted with the working part of the lower screen bar, and the hollow groove is formed between the belly of the screen bar support frame of the upper screen bar and the working part of the lower screen bar.
2. The self-grinding and self-breaking roller screen according to claim 1, characterized in that: the longitudinal beam is arranged between the roller and the ring beam of the screen plate; the longitudinal beams are equally spaced on the inner ring of the drum.
3. The self-grinding and self-breaking roller screen according to claim 1, characterized in that: a connecting vertical edge is arranged on the inner ring of the ring beam, and a connecting wing edge is arranged on one side of the connecting vertical edge; and a supporting edge is arranged at the top end of the connecting vertical edge.
4. The self-grinding and self-breaking roller screen according to claim 1, characterized in that: the cross section of one end of the working part of the screen bar is arc-shaped or triangular, so that the working part of the screen bar forms a convex edge; at least one position of the screen bar belly is provided with a screen bar support frame which is integrated with the screen bar, the thickness of the screen bar support frame is smaller than that of the corresponding screen bar belly, one side of the screen bar support frame, which is opposite to the discharge end of the screen plate, is provided with a connecting groove, one side, which is opposite to the feed end of the screen plate, of the screen bar support frame, the connecting groove on the screen bar support frame is clamped into the ring beam connecting wing edge, a fixed rib plate is arranged in the U groove or the hole, the rib plate surrounds the screen plate into a circular shape, and the rib plate is fastened with the ring beam by an opposite plate pull pin; the root of the connecting vertical edge of the ring beam is connected with the ring beam inner ring into a whole, the connecting wing edge is arranged in the connecting groove of the screen bar supporting frame, and the supporting edge supports the abdomen of the screen bar.
5. The self-grinding and self-breaking roller screen according to claim 1, characterized in that: the rolling screen body comprises a roller or two rollers with equal inner diameters which are coaxially and alternately arranged; when the roller screen body only comprises one roller, the roller is connected to the middle part of the outer ring of the screen plate through a longitudinal beam; when the roller screen body comprises two rollers, the two rollers are connected and positioned through the longitudinal beams, and the two rollers are respectively connected at two ends of the outer ring of the screen plate through the longitudinal beams.
6. The self-grinding and self-breaking roller screen according to claim 1, characterized in that: the angle between the generatrix of the cylindrical sieve plate and the axis is 0-1 degree, and the angle between the generatrix of the round table-shaped sieve plate and the axis is 1-10 degrees; the sieve grooves are narrow in sieve plate feeding end and wide in sieve plate discharging end, and gradually widened from the sieve plate feeding end to the sieve plate discharging end along the material flowing direction; for a cylindrical sieve plate, the belly of the screen bar is thick at the feed end of the sieve plate and thin at the discharge end of the sieve plate, and gradually thickens from the discharge end to the feed end.
7. The self-grinding and self-breaking roller screen according to claim 1, characterized in that: when the sieve plate is cylindrical, circular slide-preventing plates for preventing materials from leaking are arranged on the inlet end port and the outlet end port of the sieve plate; when the sieve plate is in a round table shape, one end with a small inner diameter is a feeding end, and a circular slide-preventing plate for preventing materials from leaking is arranged on a port of the feeding end.
8. The self-grinding and self-breaking roller screen according to claim 1, characterized in that: the outer ring of the roller is provided with a groove, and the roller is supported in the groove of the roller; for the rolling screen with two rollers on the rolling screen body, the rollers adopt rubber tires, two coaxial rollers supported on the same side of the rolling screen body are in a group, two rollers in the group are connected by a load axle, at least one group of rollers are driving rollers, a motor enables the driving rollers to roll in the roller grooves through the load axle and a transmission device thereof, and the rollers and the driven rollers are driven to rotate through friction; for a rolling screen with only one roller on the rolling screen body, at least one ring beam is arranged at the middle waist part of the screen plate, and the ring beam at the middle waist part of the screen plate is connected with the inner ring of the roller through a longitudinal beam; for a rolling screen with two rollers on a rolling screen body, at least one ring beam is respectively arranged at two ends of a screen plate, the ring beams at the two ends of the screen plate are respectively connected with the inner ring of one roller through longitudinal beams, the diameters of the two ring beams are unequal or equal, when the diameters of the two ring beams are unequal, the diameter of the ring beam at the feeding end of the screen plate is small, the diameter of the ring beam at the discharging end of the screen plate is large, and the shape of the screen plate is in a round table shape;
the screen groove forms a discharging outlet of the rolling screen body.
9. The self-grinding and self-breaking roller screen according to claim 1, characterized in that: more than one section of rolling screen bodies can be arranged on the base frame, each section of rolling screen body is provided with a corresponding roller support, and the rolling screen bodies are connected in series; when the rolling screen bodies are connected in series, the diameter of the discharge hole of the front section screen plate is equal to or smaller than or larger than the diameter of the feed hole of the rear section screen plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201710403436.9A CN107029836B (en) | 2017-06-01 | 2017-06-01 | Self-grinding and self-breaking roller screen |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710403436.9A CN107029836B (en) | 2017-06-01 | 2017-06-01 | Self-grinding and self-breaking roller screen |
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| CN107029836A CN107029836A (en) | 2017-08-11 |
| CN107029836B true CN107029836B (en) | 2023-08-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710403436.9A Active CN107029836B (en) | 2017-06-01 | 2017-06-01 | Self-grinding and self-breaking roller screen |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113019586A (en) * | 2021-04-08 | 2021-06-25 | 中信重工机械股份有限公司 | Shaping machine for shaping aggregate finished products |
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| CN107029836A (en) | 2017-08-11 |
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