CN112317301A - Sand screening equipment for engineering - Google Patents
Sand screening equipment for engineering Download PDFInfo
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- CN112317301A CN112317301A CN202010996148.0A CN202010996148A CN112317301A CN 112317301 A CN112317301 A CN 112317301A CN 202010996148 A CN202010996148 A CN 202010996148A CN 112317301 A CN112317301 A CN 112317301A
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- Prior art keywords
- heating
- sand screening
- main body
- rotating
- screen
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- 239000004576 sand Substances 0.000 title claims abstract description 72
- 238000012216 screening Methods 0.000 title claims abstract description 42
- 238000010438 heat treatment Methods 0.000 claims abstract description 59
- 230000007246 mechanism Effects 0.000 claims abstract description 38
- 238000003756 stirring Methods 0.000 claims abstract description 18
- 230000000712 assembly Effects 0.000 claims abstract description 17
- 238000000429 assembly Methods 0.000 claims abstract description 17
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 68
- 244000309464 bull Species 0.000 claims description 29
- 239000004519 grease Substances 0.000 claims description 3
- 239000000741 silica gel Substances 0.000 claims description 3
- 229910002027 silica gel Inorganic materials 0.000 claims description 3
- 239000004744 fabric Substances 0.000 abstract description 12
- 238000000926 separation method Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000020169 heat generation Effects 0.000 description 2
- 238000006748 scratching Methods 0.000 description 2
- 230000002393 scratching effect Effects 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 241000251468 Actinopterygii Species 0.000 description 1
- 238000005054 agglomeration Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
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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
- B07B1/28—Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/42—Drive mechanisms, regulating or controlling devices, or balancing devices, specially adapted for screens
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/46—Constructional details of screens in general; Cleaning or heating of screens
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/46—Constructional details of screens in general; Cleaning or heating of screens
- B07B1/50—Cleaning
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B11/00—Machines or apparatus for drying solid materials or objects with movement which is non-progressive
- F26B11/12—Machines or apparatus for drying solid materials or objects with movement which is non-progressive in stationary drums or other mainly-closed receptacles with moving stirring devices
- F26B11/14—Machines or apparatus for drying solid materials or objects with movement which is non-progressive in stationary drums or other mainly-closed receptacles with moving stirring devices the stirring device moving in a horizontal or slightly-inclined plane
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B23/00—Heating arrangements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
- F26B25/04—Agitating, stirring, or scraping devices
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Combined Means For Separation Of Solids (AREA)
Abstract
The invention relates to sand screening equipment for engineering, which comprises a main body, a screen, a feed inlet, a discharge outlet, two support legs, a vibration mechanism and a heating mechanism, wherein the heating mechanism comprises a driving assembly and two heating assemblies, each heating assembly comprises a fixed rod, a rotating box, a first bearing, a heating unit and a plurality of stirring plates, each heating unit comprises a friction block, a connecting rod, a supporting column and a plurality of first springs, each vibration mechanism comprises a rotating shaft, two vibration assemblies and a plurality of vibration rods, each vibration assembly comprises a supporting shaft, a rotating rod and a torsion spring, the sand screening equipment for engineering realizes the function of heating sand in the main body through the heating mechanism, so that the moisture in the sand is discharged, the probability of caking of the sand due to humidity is reduced, the influence on the sand screening work is avoided, and the reliability of the equipment is improved, through vibrations mechanism, realized the function of screen cloth vibrations, reduced the probability of screen cloth jam.
Description
Technical Field
The invention relates to the field of engineering machinery, in particular to a sand screening device for engineering.
Background
The sand screening machine is also called dry land sand screening boat and sand-stone separator, and is suitable for use in river, reservoir and coal yard. The ship consists of a ship body, a frame, a speed reducer, a conveying belt, a rotary screen and an engine or a motor. The machine has simple structure, is economical and applicable and is easy to operate. It is divided into drum type sand screening machine, water washing drum type sand screening machine, vibration screen type sand screening machine, etc.
The existing sand screening machine is used for screening sand, because moisture is contained in sand, the phenomenon of sand agglomeration is easy to occur, sand cannot pass through a screen, the influence on sand screening work is caused, the reliability of the existing sand screening machine is reduced, and furthermore, partial impurities easily block the screen when the existing sand screening machine is used for screening sand, so that the sand cannot pass through the screen, the efficiency of sand screening work is influenced, and the practicability of the existing sand screening machine is reduced.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: in order to overcome the defects of the prior art, the sand screening device for the engineering is provided.
The technical scheme adopted by the invention for solving the technical problems is as follows: a sand screening device for engineering comprises a main body, a screen, a feed inlet, a discharge outlet and two support legs, wherein the two support legs are respectively fixed on two sides below the main body;
the heating mechanism comprises a driving assembly and two heating assemblies, the driving assembly is connected with the vibrating mechanism, and the two heating assemblies are respectively arranged on two sides above the screen;
the heating assembly comprises a fixed rod, a rotating box, a first bearing, a heating unit and a plurality of stirring plates, the driving assembly is connected with the upper part of the rotating box, a round hole is formed in the lower part of the rotating box, the outer ring of the first bearing is fixedly connected with the inner wall of the round hole, the fixed rod is vertically fixed above the screen, the top end of the fixed rod penetrates through the round hole to be arranged in the rotating box, the heating unit is arranged at the top part in the rotating box, and the stirring plates are circumferentially and uniformly fixed on the periphery of the rotating box;
the heating unit comprises a friction block, a connecting rod, a supporting column and a plurality of first springs, the supporting column is vertically fixed at the top in the rotating box, a blind hole is formed in the supporting column, the blind hole and the fixing rod are coaxially arranged, one end of the connecting rod is fixedly connected with one side of the friction block, the other side of the friction block abuts against the upper side of the fixing rod, the other end of the connecting rod is arranged in the blind hole, the connecting rod is in sliding connection with the supporting column, the first springs are circumferentially and uniformly distributed on the periphery of the connecting rod by taking the axis of the blind hole as a center, two ends of the first springs are respectively connected with the lower side of the supporting column and the upper side of the friction block, and the first springs;
the vibrating mechanism comprises a rotating shaft, two vibrating assemblies and a plurality of vibrating rods, one end of the rotating shaft is connected with the driving assembly, the sieve plate is provided with a small hole, the other end of the rotating shaft penetrates through the small hole and is arranged below the screen, the two vibrating assemblies and the axis of the small hole are symmetrically arranged, the vibrating assemblies are connected with the other end of the rotating shaft, and the vibrating rods are circumferentially and uniformly fixed below the screen by taking the axis of the rotating shaft as a center;
the vibrations subassembly includes back shaft, bull stick and torsion spring, the one end and the pivot fixed connection of back shaft, the other end of back shaft is articulated with the one end of bull stick, distance between the other end of bull stick and the axis of pivot is greater than the distance between the axis of vibrations pole and the axis of pivot, torsion spring sets up the junction at bull stick and back shaft, torsion spring's both ends are connected with support column and bull stick respectively.
Preferably, in order to drive the rotating box to rotate, the driving assembly comprises a motor, a first gear and two second gears, the motor is fixed above the main body, a through hole is formed in the main body, an output shaft of the motor penetrates through the through hole and is arranged inside the main body, the output shaft of the motor is fixedly connected with the first gear, the second gears correspond to the rotating box one by one, the second gears are fixed above the rotating box, the first gear is meshed with the second gear, the motor is electrically connected with the PLC, one end, far away from the supporting shaft, of the rotating shaft is fixedly connected with the lower portion of the first gear, and the first gear and the rotating shaft are coaxially arranged.
Preferably, in order to avoid scratching the vibration rod, the vibration assembly further comprises two rubber sleeves, the rubber sleeves correspond to the rotating rods one to one, the rubber sleeves are sleeved on the rotating rods, and the inner walls of the rubber sleeves are fixedly connected with the peripheries of the rotating rods.
Preferably, in order to restrict the moving direction of the connecting rod, the heating unit further comprises a limiting rod, two grooves are formed in the inner wall of the blind hole, two ends of the limiting rod are respectively arranged in the two grooves, the limiting rod is matched with the grooves, the limiting rod is connected with the grooves in a sliding mode, and the center of the limiting rod is fixedly connected with one end, far away from the friction block, of the connecting rod.
Preferably, in order to avoid the separation of the limiting rod and the groove, the groove is a dovetail groove.
Preferably, in order to avoid the separation of the connecting rod from the blind hole, the heating unit further comprises a plurality of protruding blocks, and the protruding blocks are uniformly fixed on the inner wall of one end, close to the friction block, of the blind hole in the circumferential direction.
Preferably, in order to improve the heat conduction performance, the joint of the stirring plate and the rotating box is coated with heat conduction silica gel.
Preferably, the motor is a servo motor for precise and stable operation of the motor.
Preferably, the first gear is coated with grease in order to smoothly rotate the second gear.
Preferably, in order to increase the friction force, one end of the fixing rod far away from the screen is provided with grains.
The sand screening equipment for engineering has the advantages that the sand screening equipment for engineering realizes the function of heating sand in the main body through the heating mechanism, so that moisture contained in the sand is discharged, the probability of caking of the sand due to moisture is reduced, the influence on sand screening work is avoided, and the reliability of the equipment is improved.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic structural diagram of a sand screening apparatus for engineering of the present invention;
FIG. 2 is a schematic structural view of a heating assembly of the sand screening apparatus for a project of the present invention;
FIG. 3 is an enlarged view of portion A of FIG. 2;
FIG. 4 is a schematic structural view of a vibrating mechanism of the sand screening apparatus for projects of the present invention;
in the figure: 1. the vibration damping device comprises a main body, 2 support legs, 3 a screen, 4 a motor, 5 a first gear, 6 a second gear, 7 a rotating box, 8 a stirring plate, 9 a fixing rod, 10 a friction block, 11 a connecting rod, 12 a supporting column, 13 a first spring, 14 a limiting rod, 15 a lug, 16 a rotating shaft, 17 a vibration rod, 18 a torsion spring, 19 a rotating rod and 20 a rubber sleeve.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.
As shown in fig. 1, a sand screening device for engineering comprises a main body 1, a screen 3, a feed inlet, a discharge outlet and two support legs 2, wherein the two support legs 2 are respectively fixed at two sides below the main body 1, the feed inlet is arranged at one side of the main body 1, the discharge outlet is arranged below the main body 1, the feed inlet and the discharge outlet are both communicated with the inside of the main body 1, the screen 3 is horizontally fixed inside the main body 1, a PLC is arranged inside the main body 1, the sand screening device further comprises a vibrating mechanism and a heating mechanism, the heating mechanism is arranged above the screen 3, the vibrating mechanism is arranged below the screen 3, and the vibrating mechanism is connected with the heating mechanism;
PLCs, i.e., programmable logic controllers, are generally used for the processing of data and the receipt and output of instructions for central control.
This a sieve husky equipment for engineering passes through heating mechanism, has realized the function to the inside sand heating of main part 1 for the moisture that contains in the sand is discharged, thereby has reduced the probability of sand because of the moist caking, avoids causing the influence to sieve husky work, has improved the reliability of equipment, through vibrations mechanism, has realized the function of screen cloth 3 vibrations, has reduced the probability that screen cloth 3 blockked up, has improved the practicality of equipment.
As shown in fig. 2-3, the heating mechanism includes a driving assembly and two heating assemblies, the driving assembly is connected with the heating assembly, the driving assembly is connected with the vibrating mechanism, and the two heating assemblies are respectively arranged at two sides above the screen 3;
the heating assembly comprises a fixing rod 9, a rotating box 7, a first bearing, a heating unit and a plurality of stirring plates 8, the driving assembly is connected with the upper portion of the rotating box 7, a round hole is formed in the lower portion of the rotating box 7, the outer ring of the first bearing is fixedly connected with the inner wall of the round hole, the fixing rod 9 is vertically fixed above the screen 3, the top end of the fixing rod 9 penetrates through the round hole to be arranged inside the rotating box 7, the heating unit is arranged on the top portion inside the rotating box 7, and the stirring plates 8 are circumferentially and uniformly fixed on the periphery of the rotating box 7;
the heating unit comprises a friction block 10, a connecting rod 11, a supporting column 12 and a plurality of first springs 13, wherein the supporting column 12 is vertically fixed at the top in the rotating box 7, a blind hole is formed in the supporting column 12 and is coaxially arranged with the fixing rod 9, one end of the connecting rod 11 is fixedly connected with one side of the friction block 10, the other side of the friction block 10 is abutted against the upper side of the fixing rod 9, the other end of the connecting rod 11 is arranged in the blind hole, the connecting rod 11 is in sliding connection with the supporting column 12, the first springs 13 are circumferentially and uniformly distributed on the periphery of the connecting rod 11 by taking the axis of the blind hole as the center, two ends of each first spring 13 are respectively connected with the lower side of the supporting column 12 and the upper side of the friction block 10, and the first springs 13 are in;
when heating work is carried out, the driving assembly is controlled to work, the rotating box 7 can be driven to rotate, the friction block 10 and the fixed rod 9 can rotate relatively, the temperature inside the rotating box 7 is increased in a mode of generating heat through friction, the temperature of the stirring plate 8 is improved, sand inside the main body 1 can be heated, moisture contained in the sand is discharged, the probability that the sand is caked due to moisture is reduced, influence on sand screening work is avoided, the reliability of the equipment is improved, when the rotating box 7 rotates, the stirring plate 8 can be driven to rotate, stirring work can be carried out on the sand inside the main body 1, the sand is fully heated, the heating effect is improved, when the friction block 10 and the fixed rod 9 rotate relatively for a long time, a gap can exist between the fixed rod 9 and the friction block 10, under the action of restoring force of the first spring 13, the friction block 10 can be driven to move towards the fixing rod 9, so that the friction block 10 can be always abutted against the fixing rod 9, the influence on the friction heat generation work can be avoided, and the practicability of the equipment is improved.
As shown in fig. 4, the vibration mechanism includes a rotating shaft 16, two vibration assemblies and a plurality of vibration rods 17, one end of the rotating shaft 16 is connected with the driving assembly, the sieve plate is provided with small holes, the other end of the rotating shaft 16 passes through the small holes and is arranged below the screen 3, the two vibration assemblies and the axes of the small holes are symmetrically arranged, the vibration assemblies are connected with the other end of the rotating shaft 16, and the vibration rods 17 are circumferentially and uniformly fixed below the screen 3 by taking the axis of the rotating shaft 16 as a center;
the vibrations subassembly includes back shaft, bull stick 19 and torsion spring 18, the one end and the 16 fixed connection of pivot of back shaft, the other end of back shaft is articulated with the one end of bull stick 19, distance between the other end of bull stick 19 and the axis of pivot 16 is greater than the distance between the axis of vibrations pole 17 and the axis of pivot 16, torsion spring 18 sets up the junction at bull stick 19 and back shaft, torsion spring 18's both ends are connected with support column 12 and bull stick 19 respectively.
The drive assembly during operation, can drive pivot 16 and rotate, make the bull stick 19 rotate around the axis of pivot 16, rotate to supporting with vibrations pole 17 when leaning on as bull stick 19, vibrations pole 17 can take place, thereby make the screen cloth 3 take place vibrations, the sand of being convenient for passes through screen cloth 3, thereby the probability that screen cloth 3 blockked up has been reduced, the practicality of equipment has been improved, when the bull stick 19 supports and supports when pivot 16 still rotates with vibrations pole 17 support, can make torsion spring 18 take place deformation, when bull stick 19 no longer supports with vibrations pole 17 and supports, restoring force through torsion spring 18, make bull stick 19 resume the normal position, be convenient for bull stick 19 strikes vibrations pole 17.
Preferably, in order to drive the rotating box 7 to rotate, the driving assembly comprises a motor 4, a first gear 5 and two second gears 6, the motor 4 is fixed above the main body 1, a through hole is formed above the main body 1, an output shaft of the motor 4 penetrates through the through hole and is arranged inside the main body 1, the output shaft of the motor 4 is fixedly connected with the first gear 5, the second gears 6 correspond to the rotating boxes 7 one to one, the second gears 6 are fixed above the rotating boxes 7, the first gear 5 is meshed with the second gear 6, the motor 4 is electrically connected with the PLC, one end of the rotating shaft 16, which is far away from the supporting shaft, is fixedly connected with the lower portion of the first gear 5, and the first gear 5 and the rotating shaft 16 are coaxially arranged.
When carrying out heating work, control motor 4 starts, drive first gear 5 and rotate, meshing through first gear 5 and second gear 6, make second gear 6 rotate, thereby can drive and rotate box 7 and rotate, make clutch blocks 10 and dead lever 9 take place relative rotation, thereby through the thematic mode of friction, make the inside temperature of box 7 that rotates rise, thereby the temperature of stirring board 8 has been improved, thereby can heat the inside sand of main part 1, make the moisture discharge that contains in the sand, thereby the probability of caking because of the humidity has been reduced, thereby avoid causing the influence to sieve husky work, the reliability of equipment has been improved.
Preferably, in order to avoid scratching the vibration rod 17, the vibration assembly further comprises two rubber sleeves 20, the rubber sleeves 20 correspond to the rotating rods 19 one by one, the rubber sleeves 20 are sleeved on the rotating rods 19, and the inner walls of the rubber sleeves 20 are fixedly connected with the peripheries of the rotating rods 19.
Through setting up rubber sleeve 20 for the bull stick 19 can not direct contact when leaning on with vibrations pole 17, thereby has reduced the probability of fish tail vibrations pole 17 when bull stick 19 rotates, thereby can prolong vibrations pole 17's life.
Preferably, in order to limit the moving direction of the connecting rod 11, the heating unit further includes a limiting rod 14, two grooves are formed in the inner wall of the blind hole, two ends of the limiting rod 14 are respectively arranged in the two grooves, the limiting rod 14 is matched with the grooves, the limiting rod 14 is connected with the grooves in a sliding mode, and the center of the limiting rod 14 is fixedly connected with one end, far away from the friction block 10, of the connecting rod 11.
Preferably, to avoid separation of the stop bar 14 from the groove, the groove is a dovetail groove.
Preferably, in order to avoid the separation of the connecting rod 11 from the blind hole, the heating unit further comprises a plurality of projections 15, and the projections 15 are uniformly fixed on the inner wall of the blind hole at one end close to the friction block 10 in the circumferential direction.
When the connecting rod 11 moves, the limiting rod 14 is driven to move along the groove, so that the moving direction of the connecting rod 11 is limited, the position of the friction block 10 cannot deviate, the stability is improved, the function of blocking the limiting rod 14 is achieved by arranging the lug 15, the limiting rod 14 cannot be separated from the groove, and the connecting rod 11 cannot be separated from the blind hole.
Preferably, in order to improve the heat conduction performance, the joint of the stirring plate 8 and the rotating box 7 is coated with heat-conducting silica gel.
Preferably, the motor 4 is a servo motor in order to make the motor 4 work accurately and stably.
Preferably, in order to make the second gear 6 smoothly rotate, the first gear 5 is coated with grease, so that the friction between the first gear 5 and the second gear 6 is reduced, and the second gear 6 is more smoothly rotated.
Preferably, in order to increase the friction force, the end of the fixing rod 9 far away from the screen 3 is provided with a texture.
Through setting up the line, increased the frictional force between dead lever 9 and clutch blocks 10 to frictional heating's effect has been promoted.
When heating work is carried out, the driving assembly is controlled to work, the rotating box 7 can be driven to rotate, the friction block 10 and the fixed rod 9 can rotate relatively, the temperature inside the rotating box 7 is increased in a mode of generating heat through friction, the temperature of the stirring plate 8 is improved, sand inside the main body 1 can be heated, moisture contained in the sand is discharged, the probability that the sand is caked due to moisture is reduced, influence on sand screening work is avoided, the reliability of the equipment is improved, when the rotating box 7 rotates, the stirring plate 8 can be driven to rotate, stirring work can be carried out on the sand inside the main body 1, the sand is fully heated, the heating effect is improved, when the friction block 10 and the fixed rod 9 rotate relatively for a long time, a gap can exist between the fixed rod 9 and the friction block 10, under the action of restoring force of the first spring 13, the friction block 10 can be driven to move towards the fixing rod 9, so that the friction block 10 can be always abutted against the fixing rod 9, the influence on the friction heat generation work can be avoided, and the practicability of the equipment is improved. The drive assembly during operation, can drive pivot 16 and rotate, make the bull stick 19 rotate around the axis of pivot 16, rotate to supporting with vibrations pole 17 when leaning on as bull stick 19, vibrations pole 17 can take place, thereby make the screen cloth 3 take place vibrations, the sand of being convenient for passes through screen cloth 3, thereby the probability that screen cloth 3 blockked up has been reduced, the practicality of equipment has been improved, when the bull stick 19 supports and supports when pivot 16 still rotates with vibrations pole 17 support, can make torsion spring 18 take place deformation, when bull stick 19 no longer supports with vibrations pole 17 and supports, restoring force through torsion spring 18, make bull stick 19 resume the normal position, be convenient for bull stick 19 strikes vibrations pole 17.
Compared with the prior art, this a sieve husky equipment for engineering passes through heating mechanism, realized the function to the inside sand heating of main part 1, make the moisture that contains in the sand discharge, thereby the probability of sand caking because of the humidity has been reduced, avoid causing the influence to sieve husky work, the reliability of equipment has been improved, compare with current heating mechanism, this heating mechanism makes clutch blocks 10 to lean on with dead lever 9 all the time, thereby can not lead to the fact the influence to the work of frictional heating, the practicality of equipment has been improved, through vibrations mechanism, the function of screen cloth 3 vibrations has been realized, the probability that screen cloth 3 blockked up has been reduced, the practicality of equipment has been improved, compare with current vibrations mechanism, this vibrations mechanism and heating mechanism be the link gear as an organic whole, adopt same driving source, more energy-concerving and environment-protective.
In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (10)
1. The sand screening device for the engineering comprises a main body (1), a screen (3), a feed inlet, a discharge outlet and two support legs (2), wherein the two support legs (2) are respectively fixed on two sides of the lower portion of the main body (1), the feed inlet is formed in one side of the main body (1), the discharge outlet is formed in the lower portion of the main body (1), the feed inlet and the discharge outlet are communicated with the inner portion of the main body (1), the screen (3) is horizontally fixed in the main body (1), and a PLC is arranged in the main body (1), and the sand screening device is characterized by further comprising a vibrating mechanism and a heating mechanism, wherein the heating mechanism is arranged above the screen (3), the vibrating mechanism is arranged below the screen (3), and the vibrating mechanism is connected with the heating mechanism;
the heating mechanism comprises a driving assembly and two heating assemblies, the driving assembly is connected with the vibrating mechanism, and the two heating assemblies are respectively arranged on two sides above the screen (3);
the heating assembly comprises a fixing rod (9), a rotating box (7), a first bearing, a heating unit and a plurality of stirring plates (8), the driving assembly is connected with the upper part of the rotating box (7), a round hole is formed in the lower part of the rotating box (7), the outer ring of the first bearing is fixedly connected with the inner wall of the round hole, the fixing rod (9) is vertically fixed above the screen (3), the top end of the fixing rod (9) penetrates through the round hole to be arranged inside the rotating box (7), the heating unit is arranged at the top in the rotating box (7), and the stirring plates (8) are circumferentially and uniformly fixed on the periphery of the rotating box (7);
the heating unit comprises a friction block (10), a connecting rod (11), a supporting column (12) and a plurality of first springs (13), the supporting column (12) is vertically fixed at the top in the rotating box (7), a blind hole is formed in the supporting column (12), the blind hole and the fixing rod (9) are coaxially arranged, one end of the connecting rod (11) is fixedly connected with one side of the friction block (10), the other side of the friction block (10) is abutted against the upper portion of the fixing rod (9), the other end of the connecting rod (11) is arranged in the blind hole, the connecting rod (11) is in sliding connection with the supporting column (12), the first springs (13) are circumferentially and uniformly distributed on the periphery of the connecting rod (11) by taking the axis of the blind hole as the center, two ends of the first springs (13) are respectively connected with the lower portion of the supporting column (12) and the upper portion of the friction block (10), the first spring (13) is in a compressed state;
the vibrating mechanism comprises a rotating shaft (16), two vibrating assemblies and a plurality of vibrating rods (17), one end of the rotating shaft (16) is connected with the driving assembly, the sieve plate is provided with small holes, the other end of the rotating shaft (16) penetrates through the small holes to be arranged below the screen (3), the two vibrating assemblies and the axes of the small holes are symmetrically arranged, the vibrating assemblies are connected with the other end of the rotating shaft (16), and the vibrating rods (17) are circumferentially and uniformly fixed below the screen (3) by taking the axis of the rotating shaft (16) as a center;
the vibrations subassembly includes back shaft, bull stick (19) and torsion spring (18), the one end and pivot (16) fixed connection of back shaft, the other end of back shaft is articulated with the one end of bull stick (19), distance between the other end of bull stick (19) and the axis of pivot (16) is greater than the distance between the axis of vibrations pole (17) and the axis of pivot (16), torsion spring (18) set up the junction at bull stick (19) and back shaft, torsion spring (18) the both ends respectively with support column (12) and bull stick (19) be connected.
2. Sand screening apparatus for works according to claim 1, characterized in that said drive assembly comprises an electric motor (4), a first gear (5) and two second gears (6), the motor (4) is fixed above the main body (1), a through hole is arranged above the main body (1), the output shaft of the motor (4) passes through the through hole and is arranged in the main body (1), the output shaft of the motor (4) is fixedly connected with the first gear (5), the second gears (6) are in one-to-one correspondence with the rotating boxes (7), the second gear (6) is fixed above the rotating box (7), the first gear (5) is meshed with the second gear (6), the motor (4) is electrically connected with the PLC, one end of the rotating shaft (16) far away from the supporting shaft is fixedly connected with the lower portion of the first gear (5), and the first gear (5) and the rotating shaft (16) are coaxially arranged.
3. The sand screening device for engineering as claimed in claim 1, wherein the vibration assembly further comprises two rubber sleeves (20), the rubber sleeves (20) correspond to the rotating rods (19) one by one, the rubber sleeves (20) are sleeved on the rotating rods (19), and the inner walls of the rubber sleeves (20) are fixedly connected with the peripheries of the rotating rods (19).
4. The sand screening device for engineering as claimed in claim 1, wherein the heating unit further comprises a limiting rod (14), two grooves are formed in the inner wall of the blind hole, two ends of the limiting rod (14) are respectively arranged in the two grooves, the limiting rod (14) is matched with the grooves, the limiting rod (14) is connected with the grooves in a sliding manner, and the center of the limiting rod (14) is fixedly connected with one end, far away from the friction block (10), of the connecting rod (11).
5. A sand screening apparatus for use in projects as claimed in claim 4, wherein said grooves are dovetail grooves.
6. The sand screening apparatus for engineering as claimed in claim 1, wherein the heating unit further comprises a plurality of projections (15), and the projections (15) are circumferentially and uniformly fixed on the inner wall of the blind hole at one end close to the friction block (10).
7. The sand screening apparatus for engineering as claimed in claim 1, wherein the joint of the stirring plate (8) and the rotating box (7) is coated with heat conductive silica gel.
8. A sand screening apparatus for use in projects as claimed in claim 2, characterised in that the motor (4) is a servo motor.
9. The sand screening apparatus for works as claimed in claim 2, wherein the first gear (5) is coated with grease.
10. The sand screening apparatus for engineering as claimed in claim 1, wherein the end of the fixing rod (9) remote from the screen (3) is provided with a texture.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010996148.0A CN112317301A (en) | 2020-09-21 | 2020-09-21 | Sand screening equipment for engineering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010996148.0A CN112317301A (en) | 2020-09-21 | 2020-09-21 | Sand screening equipment for engineering |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112317301A true CN112317301A (en) | 2021-02-05 |
Family
ID=74303396
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010996148.0A Withdrawn CN112317301A (en) | 2020-09-21 | 2020-09-21 | Sand screening equipment for engineering |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112317301A (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113318953A (en) * | 2021-05-25 | 2021-08-31 | 广州市天河区荔也楼网络科技有限公司 | Sand screening equipment with crushing function |
| CN113566528A (en) * | 2021-07-08 | 2021-10-29 | 靖江市恒政增稠材料厂 | Drying kettle for producing sodium cyanate and production process thereof |
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Application publication date: 20210205 |