CN113351474A - City construction sand sieving mechanism - Google Patents
City construction sand sieving mechanism Download PDFInfo
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- CN113351474A CN113351474A CN202110586680.XA CN202110586680A CN113351474A CN 113351474 A CN113351474 A CN 113351474A CN 202110586680 A CN202110586680 A CN 202110586680A CN 113351474 A CN113351474 A CN 113351474A
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- plate
- device shell
- sand
- sliding
- feeding
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- 239000004576 sand Substances 0.000 title claims abstract description 67
- 230000007246 mechanism Effects 0.000 title claims abstract description 58
- 238000010276 construction Methods 0.000 title claims abstract description 32
- 238000007873 sieving Methods 0.000 title claims description 12
- 238000012216 screening Methods 0.000 claims abstract description 45
- 238000007599 discharging Methods 0.000 claims abstract description 40
- 239000000463 material Substances 0.000 claims abstract description 22
- 230000000149 penetrating effect Effects 0.000 claims abstract description 10
- 238000009434 installation Methods 0.000 claims abstract 5
- 239000004744 fabric Substances 0.000 claims description 15
- 238000007789 sealing Methods 0.000 claims description 11
- 238000003756 stirring Methods 0.000 claims description 10
- 230000001360 synchronised effect Effects 0.000 claims description 7
- 238000003466 welding Methods 0.000 claims description 6
- 230000000694 effects Effects 0.000 abstract description 6
- 238000009825 accumulation Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 9
- 230000008569 process Effects 0.000 description 7
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000007726 management method Methods 0.000 description 1
- 239000002994 raw material Substances 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
- B07B1/34—Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens jigging or moving to-and-fro perpendicularly or approximately perpendiculary to the plane of the screen
- B07B1/343—Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens jigging or moving to-and-fro perpendicularly or approximately perpendiculary to the plane of the screen with mechanical drive elements other than electromagnets
-
- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Combined Means For Separation Of Solids (AREA)
Abstract
The invention discloses a sand screening device for urban construction, which comprises a device shell, a feed hopper, an installation plate, a three-phase motor, a first discharge port, a second discharge port, a screen, a rotating shaft, a feeding anti-blocking mechanism, a shaking mechanism, a lifting mechanism and a discharge mechanism, wherein the device shell is of a hollow structure, the feed hopper is fixedly connected with the top wall of the device shell in a penetrating manner, the first discharge port is formed in the side wall of the device shell and is provided with two discharge ports, the second discharge port is formed in the side wall of the device shell, the installation plate is fixedly connected with the upper surface of the device shell through a support, the three-phase motor is fixedly connected with the upper surface of the installation plate through a support, and an output shaft of the three-phase motor is welded with the rotating shaft. Has the advantages that: the screening device has better screening effect, can automatically screen for multiple times, avoids manual operation, reduces labor intensity, and can effectively prevent accumulation and blockage of feeding and discharging materials.
Description
Technical Field
The invention relates to the technical field of construction devices, in particular to a sand screening device for urban construction.
Background
Along with the continuous development of urban economy, the construction of city is also developing gradually, urban construction is the important component part of city management, urban construction uses the planning as the basis, reform transform the urban human settlements environment through the construction engineering, construct each material facility in the urban system, be the foundation of creating good condition, stage work for managing the city, be the special economic work that process nature and periodicity are more obvious, in urban construction process, sand is one of indispensable raw materials, sand need use sieving mechanism to screen the back before using, the side can use.
Among the prior art, current sand sieving mechanism, it screens the effect relatively poor, can't carry out the better screening of effect to the sand, and can only once screen the sand, if still carry out the secondary screening after the screening when, need the manual sand that will select to add once more and advance sieving mechanism, intensity of labour is great, and the sand of discharge gate takes place to pile up the back simultaneously if not in time clearance, influences the normal use of device. Therefore, the sand screening device for urban construction is provided.
Disclosure of Invention
The invention aims to solve the problems of poor screening effect, high labor intensity of repeated screening and easy accumulation of a discharge hole in the prior art, and provides a sand screening device for urban construction.
In order to achieve the purpose, the invention adopts the following technical scheme: a sand screening device for urban construction comprises a device shell, a feed hopper, a mounting plate, a three-phase motor, a first discharge port, a second discharge port, a screen, a rotating shaft, a feeding anti-blocking mechanism, a shaking mechanism, a lifting mechanism and a discharging mechanism, wherein the device shell is of a hollow structure, the feed hopper is fixedly connected with the top wall of the device shell in a penetrating manner, the first discharge port is arranged on the side wall of the device shell and is provided with two discharge ports, the second discharge port is arranged on the side wall of the device shell, the mounting plate is fixedly connected with the upper surface of the device shell through a support, the three-phase motor is fixedly connected with the upper surface of the mounting plate through a support, an output shaft of the three-phase motor is welded with the rotating shaft, the rotating shaft is rotatably connected with the mounting plate through a bearing and extends into the feed hopper, the screen is arranged in the device shell, the screen extends into the corresponding first discharge port, the feeding anti-blocking mechanism is arranged in the feeding hopper, and the shaking mechanism and the discharging mechanism are arranged in the device shell.
In foretell city construction sand sieving mechanism, stifled mechanism is prevented in the feeding, it is used for preventing take place to block up in the feeder hopper, including fixed block, first bevel gear, second bevel gear, driven shaft, stirring leaf, the fixed block is hollow structure, it is inside that axis of rotation and fixed block run through the rotation through the bearing and be connected and extend to, first bevel gear with the one end interference fit that the axis of rotation is located the fixed block, first bevel gear meshing has a plurality of second bevel gears, driven shaft and second bevel gear interference fit, the driven shaft runs through the rotation through the bearing with the fixed block and is connected and extend to the fixed block is outside, a plurality of stirring leaves have all been welded to the section that the driven shaft is located the fixed block outside.
In the above sand screening device for urban construction, the shaking mechanism is used for shaking the screen mesh and comprises a cavity, a cam, a sliding plate, a return spring, a top plate, a mounting groove and a connecting mechanism, wherein the cavity is formed in the side wall of the device shell, one of the driven shafts is in penetrating and rotating connection with the feed hopper and the device shell through bearings and extends into the cavity to be in interference fit with the cam, the sliding plate is sleeved in the cavity in a sliding manner, the return spring is fixedly connected between the bottom wall of the sliding plate and the bottom wall in the cavity, two mounting grooves are arranged on the inner side wall of the device shell, the top plate is in through sliding connection with the device shell, one end of the top plate penetrates through the cavity and extends into the cavity and is welded with the bottom wall of the sliding plate, the other end of the top plate penetrates through the second discharging hole and extends into the second discharging hole, and the top plate penetrates through the two mounting grooves.
In foretell city construction sand sieving mechanism, coupling mechanism, it is used for connecting screen cloth and shake mechanism, including sliding sleeve, slider, coupling spring, leading wheel, shrouding, the slider has all been welded to one section that the roof is located the mounting groove, the sliding sleeve cup joints with the slider is slided, coupling spring fixed connection be in between slider and the sliding sleeve, the leading wheel sets up at the sliding sleeve lower surface, the shrouding with the sliding sleeve is kept away from the welding of one side lateral wall of roof, shrouding and screen cloth fixed connection.
In foretell city construction sand sieving mechanism, discharge mechanism, it is used for the screening ejection of compact, prevents that the ejection of compact from piling up, including play flitch, spacing groove, stopper, play flitch one side and device casing inside wall pass through the hinge and rotate and be connected, the other side extends to in the second discharge gate, it passes through to go out flitch one section in the second discharge gate spacing groove and stopper sliding connection, the roof is located the intraoral one end of second discharge gate with the stopper roof rotates through the round pin axle and is connected.
In foretell city construction sand sieving mechanism, lifting mechanism for sieve the sand that sieves once more, including first band pulley, hold-in range, second band pulley, lift pole, material receiving box, a conveyer drum, feed plate, first band pulley and axis of rotation are located one section interference fit between mounting panel and the three phase machine, device casing lateral wall has a conveyer drum through the scaffold weldment, material receiving box and device casing lateral wall welding, it runs through the rotation with the mounting panel through the bearing and is connected to lift pole, it runs through the conveyer drum to lift pole one section that is located the mounting panel below, the one end interference fit that the lifting pole is located the mounting panel top has the second band pulley, first band pulley and second band pulley pass through the hold-in range is connected, the feed plate welding is in between feeder hopper and the conveyer drum.
In the above-mentioned urban construction sand sieving mechanism, the device casing inside wall welding has the guide plate.
In the urban construction sand screening device, the cross section of the mounting groove is in a right trapezoid shape, and the sealing plate is higher than the mounting groove.
Compared with the prior art, the invention has the advantages that:
1. the sand screening machine has the advantages that the three-phase motor, the cam, the sliding plate, the reset spring, the top plate, the sliding sleeve, the sliding block, the connecting spring, the guide wheel, the sealing plate and the mounting groove are arranged, so that the screen mesh vibrates left and right while vibrating up and down, the sand screening effect of the screen mesh on sand is improved, and the two screen meshes are arranged, so that sand can be screened more effectively, and the screening effect is better;
2. by arranging the first belt wheel, the synchronous belt, the second belt wheel, the lifting rod, the material receiving box, the conveying cylinder and the feeding plate, screened sand is discharged into the material receiving box through the first discharge port, and the lifting rod lifts the screened sand again to enter the feeding hopper for secondary screening under the driving of the three-phase motor, so that the device can automatically screen for multiple times, manual operation is avoided, and the labor intensity is greatly reduced;
3. by arranging the fixed block, the first bevel gear, the second bevel gear, the driven shaft and the stirring blade, when the three-phase motor drives the screen to perform vibrating screening, the driven shaft is rotated through the meshing of the first bevel gear and the second bevel gear, so that the stirring blade is driven to rotate continuously, sand in the feeding hopper is stirred continuously, the blockage caused by excessive sand in the feeding hopper is avoided, the speed of the sand entering the device is increased, and the screening efficiency is improved;
4. through setting up play flitch, spacing groove, stopper, the roof drives the in-process of screen cloth vibration screening, makes simultaneously out the flitch and constantly vibrates to make the sand that falls on the flitch roll out the second discharge gate at the vibration in-process, the effectual sieve of having avoided the screening is piled up at the discharge gate and is leaded to the unable normal use of device.
Drawings
Fig. 1 is a schematic structural diagram of a sand screening device for urban construction according to the present invention;
fig. 2 is a sectional view of a sand screening device for urban construction according to the present invention;
FIG. 3 is an enlarged view taken at A in FIG. 2;
FIG. 4 is an enlarged view of FIG. 2 at B;
FIG. 5 is an enlarged view at C in FIG. 2;
FIG. 6 is a partial cross-sectional view taken at D-D of FIG. 2;
fig. 7 is a schematic structural diagram of a connecting mechanism in the sand screening device for urban construction according to the present invention.
In the figure: the device comprises a device shell 1, a feeding hopper 2, a mounting plate 3, a three-phase motor 4, a first belt wheel 5, a synchronous belt 501, a second belt wheel 502, a lifting rod 503, a material receiving box 504, a conveying cylinder 505, a feeding plate 506, a rotating shaft 6, a fixed block 7, a first bevel gear 701, a second bevel gear 702, a driven shaft 703, a stirring blade 704, a cavity 8, a cam 801, a sliding plate 802, a reset spring 803, a top plate 804, a sliding sleeve 805, a sliding block 806, a connecting spring 807, a guide wheel 808, a 809 sealing plate 810, a mounting groove 810, a discharging plate 9, a limiting groove 901, a limiting block 902, a screen 10, a guide plate 11, a first discharge port 12 and a second discharge port 13.
Detailed Description
The following examples are for illustrative purposes only and are not intended to limit the scope of the present invention.
Examples
Referring to fig. 1-7, a sand screening device for urban construction, comprising a device shell 1, a feed hopper 2, a mounting plate 3, a three-phase motor 4, a first discharge port 12, a second discharge port 13, a screen 10, a rotating shaft 6, a feeding anti-blocking mechanism, a shaking mechanism, a lifting mechanism and a discharging mechanism, wherein the device shell 1 is of a hollow structure, the feed hopper 2 is fixedly connected with the top wall of the device shell 1 in a penetrating manner, the first discharge port 12 is arranged on the side wall of the device shell 1 and provided with two discharge ports, the second discharge port 13 is arranged on the side wall of the device shell 1, as shown in fig. 1, the first discharge port 12 is arranged with two discharge ports, the second discharge port is arranged in the opposite side wall, the mounting plate 3 is fixedly connected with the upper surface of the device shell 1 through a bracket, the three-phase motor 4 is fixedly connected with the upper surface of the mounting plate 3 through a bracket, and an output shaft of the three-phase motor 4 is welded with the rotating shaft 6, rotation axis 6 passes through the bearing with mounting panel 3 and rotates to be connected and extend to in feeder hopper 2, screen cloth 10 sets up in device casing 1, screen cloth 10 is provided with two, and the slope of screen cloth 10 sets up, the inclination of screen cloth 10 should be between 10-20, the angle is too big can lead to the screening incomplete, the angle is too little can lead to screening efficiency to hang down, the inclination of two screen cloths 10 is unanimous, screen cloth 10 extends to in the first discharge gate 12 that corresponds, the feeding prevents that stifled mechanism sets up in feeder hopper 2, shake mechanism and discharge mechanism set up in device casing 1.
Stifled mechanism is prevented in feeding, it is used for preventing to take place to block up in the feeder hopper 2, including fixed block 7, first bevel gear 701, second bevel gear 702, driven shaft 703, stirring leaf 704, fixed block 7 is hollow structure, axis of rotation 6 runs through rotation connection and extends to its inside through the bearing with fixed block 7, first bevel gear 701 is located the one end interference fit of fixed block 7 with axis of rotation 6, first bevel gear 701 meshes has a plurality of second bevel gear 702, driven shaft 703 and second bevel gear 702 interference fit, driven shaft 703 runs through rotation connection and extends to fixed block 7 outside through the bearing with fixed block 7, a plurality of stirring leaves 704 have all been welded to the section that driven shaft 703 is located fixed block 7 outside, second bevel gear 702, driven shaft 703 symmetry sets up three groups at least, also can be more.
The shaking mechanism is used for shaking the screen 10 and comprises a cavity 8, a cam 801, a sliding plate 802, a return spring 803, a top plate 804, a mounting groove 810 and a connecting mechanism, wherein the cavity 8 is arranged in the side wall of a device shell 1, one driven shaft 703 is connected with a feed hopper 2 through a bearing and the device shell 1 in a penetrating and rotating manner and extends into the cavity 8 to be in interference fit with the cam 801, as shown in figure 1, at least three groups of second bevel gears 702 and driven shafts 703 are arranged, only the driven shaft 703 on the left side penetrates and extends into the cavity 8, the other driven shafts 703 penetrate and extend into the feed hopper 2, the sliding plate 802 is sleeved in the cavity 8 in a sliding manner, the return spring 803 is fixedly connected between the bottom wall of the sliding plate 802 and the bottom wall of the cavity 8, two mounting grooves 810 are arranged on the inner side wall of the device shell 1, the top plate 804 is connected with the device shell 1 in a penetrating and sliding manner, one end of the top plate 804 penetrates and extends into the cavity 8 and is welded with the bottom wall of the sliding plate 802, the other end runs through and extends to in the second discharge gate 13, and roof 804 runs through two mounting grooves 810, and one section that roof 804 is located between cavity 8 and the second discharge gate 13 runs through two mounting grooves 810.
The connecting mechanism is used for connecting the screen 10 and the shaking mechanism and comprises a sliding sleeve 805, a sliding block 806, a connecting spring 807, a guide wheel 808 and a sealing plate 809, the sliding block 806 is welded on one section of the top plate 804 positioned in the mounting groove 810, the sliding sleeve 805 is slidably sleeved with the sliding block 806, the connecting spring 807 is fixedly connected between the sliding block 806 and the sliding sleeve 805, the guide wheel 808 is arranged on the lower surface of the sliding sleeve 805, the sealing plate 809 is welded with the side wall of the sliding sleeve 805 away from the top plate 804, the sealing plate 809 is fixedly connected with the screen 10, the section of the mounting groove 810 is in a right trapezoid shape, as shown in fig. 4, the inner top wall and the inclined surface of the mounting groove 810, and the guide wheel 808 moves along the bottom wall of the mounting groove 810, so that the top plate 804 can reciprocate up and down by the arrangement of the guide wheel 808 and the mounting groove 810, the sliding sleeve 805 can reciprocate up and down and can also reciprocate left and right by the elasticity of the connecting spring 807, thereby make the continuous vibration that carries out all directions of screen cloth 10, carry out more effectual screening to top sand, the height that highly is greater than mounting groove 810 of shrouding 809, shrouding 809 and 1 inside wall sliding connection of device casing, the height that highly is greater than mounting groove 810 of shrouding 809 makes the shrouding carry out effectual sheltering from with mounting groove 810 to prevent that the sand among the vibration process from getting into in mounting groove 810, produce the influence to the motion of sliding sleeve 805.
The discharging mechanism is used for screening discharged materials and preventing the discharged materials from being accumulated and comprises a discharging plate 9, a limiting groove 901 and a limiting block 902, wherein one side of the discharging plate 9 is rotatably connected with the inner side wall of the device shell 1 through a hinge, the other side of the discharging plate extends into the second discharging hole 13, one section of the discharging plate 9 positioned in the second discharging hole 13 is slidably connected with the limiting block 902 through the limiting groove 901, one end of a top plate 804 positioned in the second discharging hole 13 is rotatably connected with the top wall of the limiting block 902 through a pin shaft, as shown in figure 1, the discharging plate 9 is an inclined plate, the inclined direction of the inclined plate is consistent with that of a guide plate 11, the limiting block 902 is T-shaped, the limiting groove 901 is also T-shaped, and the two are mutually matched, so that in the process that the top plate 804 reciprocates up and down, one end of the discharging plate 9 positioned in the second discharging hole 13 can be driven to rotate around one end of the discharging plate positioned in the inner side wall of the device shell 1 in a reciprocating manner, thereby enabling the discharging plate 9 to vibrate continuously, therefore, materials stacked on the discharging plate 9 can roll to the second discharging hole 13, and the materials cannot be stacked on the discharging plate 9.
The lifting mechanism is used for screening screened sand again and comprises a first belt wheel 5, a synchronous belt 501, a second belt wheel 502, a lifting rod 503, a material receiving box 504, a conveying cylinder 505 and a feeding plate 506, wherein the first belt wheel 5 and a section of a rotating shaft 6 between a mounting plate 3 and a three-phase motor 4 are in interference fit, the conveying cylinder 505 is welded on the side wall of a device shell 1 through a support, the material receiving box 504 is welded with the side wall of the device shell 1, the lifting rod 503 is in through rotating connection with the mounting plate 3 through a bearing, a section of the lifting rod 503 below the mounting plate 3 penetrates through the conveying cylinder 505, a section of the lifting rod 503 in the conveying cylinder 505 is provided with hinged corrugated blades, so that the sand in the material receiving box 504 is lifted and enters the device again for screening, the second belt wheel 502 is in interference fit at one end of the lifting rod 503 above the mounting plate 3, and the first belt wheel 5 is connected with the second belt wheel 502 through the synchronous belt 501, the feeding plate 506 is welded between the feeding hopper 2 and the conveying cylinder 505, and as shown in fig. 1, the feeding plate 506 is inclined to facilitate the lifted material to enter the feeding hopper 2.
The welding of device casing 1 inside wall has guide plate 11, and guide plate 11 slope sets up, and opposite with the slope direction of screen cloth 10, and its setting just is provided with two screen cloth 10 intermediate positions with the lateral wall of the relative one side of mounting groove 810, carries out the water conservancy diversion to the sand that top screen cloth 10 sieved off.
In the invention, a sieve to be sieved is poured into a feed hopper 2, a three-phase motor 4 is started at the same time, sand enters the device shell 1 after passing through the feed hopper 2, and in the entering process, the three-phase motor 4 drives a rotating shaft 6 to rotate, so that a first bevel gear 701 in interference fit with the rotating shaft 6 rotates, the first bevel gear 701 drives a second bevel gear 702 meshed with the first bevel gear to rotate, a driven shaft 703 in interference fit with the second bevel gear 702 rotates, a stirring blade 704 on the driven shaft 703 rotates, the sieve entering the feed hopper 2 is stirred, the blockage in the feed hopper 2 is avoided, and the entering speed of the sand is accelerated;
sand entering the device falls on the screen mesh 10, at the moment, the driven shaft 703 drives the cam 801 in interference fit with the driven shaft to rotate, the rotation of the cam 801 is matched with the return spring 803 to enable the sliding plate 802 to reciprocate up and down, so that the top plate 804 reciprocates up and down, the top plate reciprocates up and down to drive the sliding block 806 welded with the top plate to reciprocate up and down, so that the sliding block 806 drives the sliding sleeve 805 to reciprocate up and down, when the sliding sleeve 805 moves down, the sliding sleeve 805 simultaneously moves right through the guide wheel 808 and the inclined bottom surface of the mounting groove 810, when the sliding sleeve 805 moves up, the sliding sleeve 805 moves back to left under the elastic force of the connecting spring 807, and in the process of reciprocating in such a way, the sliding sleeve 805 continuously reciprocates up and down and left and right through the guide wheel 808, so that the screen mesh 10 is driven to continuously vibrate up and down and left through the sealing plate 809, sieving the sand on the screen mesh 10;
the sand screened by the upper screen mesh 10 falls on the guide plate 11 and enters the next screen mesh 10 for screening, while the sand which cannot pass through the screening falls into the material receiving box 504 through the first discharge hole 12, the sand screened by the lower screen mesh 10 falls on the discharge plate 9, and the sand which does not pass through the screening falls into the material receiving box 504 through the first discharge hole 12 below;
in the process that the top plate 804 reciprocates up and down, through the matching of the limiting block 902 and the limiting groove 901, one end of the discharging plate 9 positioned in the second discharging port 13 can be driven to rotate around one end of the discharging plate positioned at the inner side wall of the device shell 1 in a reciprocating manner, so that the discharging plate 9 is continuously vibrated, screened sand is prevented from being accumulated on the discharging plate 9, and the screened sand rolls to the second discharging port 13 under the shaking of the discharging plate 9 to be collected;
meanwhile, the three-phase motor 4 drives the first belt wheel 5 in interference fit with the rotating shaft 6 to rotate, the first belt wheel 5 drives the second belt wheel 502 to rotate through the synchronous belt 501, so that the lifting rod 503 in interference fit with the second belt wheel 502 rotates, sand falling from the material receiving box 504 is lifted through the hinged corrugated blade of the lifting rod 503 and lifted to the height of the feeding plate 506, and the sand slides into the feeding hopper 2 again under the guiding action of the feeding plate 506 to be screened for multiple times.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (8)
1. The utility model provides a city construction sand sieving mechanism which characterized in that: prevent stifled mechanism, shake mechanism, lifting mechanism, discharge mechanism including device casing (1), feeder hopper (2), mounting panel (3), three phase motor (4), first discharge gate (12), second discharge gate (13), screen cloth (10), axis of rotation (6), feeding, device casing (1) is hollow structure, feeder hopper (2) and device casing (1) roof run through fixed connection, first discharge gate (12) are seted up in device casing (1) lateral wall and have been seted up two, second discharge gate (13) are seted up with device casing (1) lateral wall, mounting panel (3) are connected through support and device casing (1) upper surface fixed, three phase motor (4) and mounting panel (3) upper surface pass through support fixed connection, the output shaft and axis of rotation (6) welding of three phase motor (4), axis of rotation (6) run through with mounting panel (3) and rotate through the bearing and be connected and extend to feeding In the fill (2), screen cloth (10) set up in device casing (1), screen cloth (10) extend to corresponding in first discharge gate (12), stifled mechanism setting is prevented in feeder hopper (2) in the feeding, shake mechanism and discharge mechanism setting in device casing (1).
2. The sand screening device for urban construction sand according to claim 1, wherein the feeding anti-blocking mechanism is used for preventing the feeding hopper (2) from being blocked and comprises a fixed block (7), a first bevel gear (701), a second bevel gear (702), a driven shaft (703) and a stirring blade (704), the fixed block (7) is of a hollow structure, the rotating shaft (6) and the fixed block (7) are in through rotating connection through a bearing and extend into the fixed block, the first bevel gear (701) and one end of the rotating shaft (6) located in the fixed block (7) are in interference fit, the first bevel gear (701) is meshed with a plurality of second bevel gears (702), the driven shaft (703) and the second bevel gears (702) are in interference fit, the driven shaft (703) and the fixed block (7) are in through rotating connection through a bearing and extend out of the fixed block (7), the section of the driven shaft (703) located outside the fixed block (7) is welded with a plurality of stirring blades (704).
3. The sand screening device for urban construction sand according to claim 2, wherein the shaking mechanism is used for shaking the screen (10), and comprises a cavity (8), a cam (801), a sliding plate (802), a return spring (803), a top plate (804), mounting grooves (810) and a connecting mechanism, the cavity (8) is formed in the side wall of the device shell (1), one driven shaft (703) is connected with the feed hopper (2) and the device shell (1) through a bearing in a penetrating and rotating mode and extends into the cavity (8) to be in interference fit with the cam (801), the sliding plate (802) is sleeved in the cavity (8) in a sliding mode, the return spring (803) is fixedly connected between the bottom wall of the sliding plate (802) and the inner bottom wall of the cavity (8), and two mounting grooves (810) are formed in the inner side wall of the device shell (1), the top plate (804) is connected with the device shell (1) in a penetrating and sliding mode, one end of the top plate (804) penetrates and extends into the cavity (8) and is welded with the bottom wall of the sliding plate (802), the other end of the top plate (804) penetrates and extends into the second discharging hole (13), and the top plate (804) penetrates through the two mounting grooves (810).
4. The sand screening device for urban construction sand according to claim 3, wherein the connecting mechanism is used for connecting the screen (10) and the shaking mechanism and comprises a sliding sleeve (805), sliding blocks (806), connecting springs (807), guide wheels (808) and sealing plates (809), the sliding blocks (806) are welded to one section of the top plate (804) located in the mounting groove (810), the sliding sleeve (805) is in sliding sleeve connection with the sliding blocks (806), the connecting springs (807) are fixedly connected between the sliding blocks (806) and the sliding sleeve (805), the guide wheels (808) are arranged on the lower surface of the sliding sleeve (805), the sealing plates (809) are welded to the side wall of the sliding sleeve (805) far away from the top plate (804), and the sealing plates (809) are fixedly connected with the screen (10).
5. The sand screening device for urban construction sand according to claim 3, wherein the discharging mechanism is used for screening discharged materials and preventing discharged materials from being accumulated, and comprises a discharging plate (9), a limiting groove (901) and a limiting block (902), one side of the discharging plate (9) is rotatably connected with the inner side wall of the device shell (1) through a hinge, the other side of the discharging plate extends into the second discharging hole (13), the discharging plate (9) is located in the second discharging hole (13), one section of the discharging plate is slidably connected with the limiting block (902) through the limiting groove (901), and one end of the top plate (804) located in the second discharging hole (13) is rotatably connected with the top wall of the limiting block (902) through a pin shaft.
6. The urban construction sand screening device according to claim 1, wherein the lifting mechanism is used for screening screened sand again and comprises a first belt wheel (5), a synchronous belt (501), a second belt wheel (502), a lifting rod (503), a material receiving box (504), a conveying cylinder (505) and a feeding plate (506), the first belt wheel (5) and a rotating shaft (6) are located on a section of the mounting plate (3) and the three-phase motor (4) in interference fit, the conveying cylinder (505) is welded on the side wall of the device shell (1) through a support, the material receiving box (504) is welded on the side wall of the device shell (1), the lifting rod (503) is connected with the mounting plate (3) in a penetrating and rotating mode through a bearing, the lifting rod (503) is located on a section of the conveying cylinder (505) below the mounting plate (3) in a penetrating mode, and the second belt wheel (502) is matched at one end of the lifting rod (503) above the mounting plate (3), the first belt wheel (5) is connected with the second belt wheel (502) through the synchronous belt (501), and the feeding plate (506) is welded between the feeding hopper (2) and the conveying cylinder (505).
7. The sand screening device for urban construction according to claim 1, wherein a flow guide plate (11) is welded on the inner side wall of the device shell (1).
8. The sand screening device for urban construction sand according to claim 4, wherein the cross section of the installation groove (810) is a right trapezoid, and the height of the sealing plate (809) is greater than that of the installation groove (810).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110586680.XA CN113351474A (en) | 2021-05-27 | 2021-05-27 | City construction sand sieving mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110586680.XA CN113351474A (en) | 2021-05-27 | 2021-05-27 | City construction sand sieving mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113351474A true CN113351474A (en) | 2021-09-07 |
Family
ID=77527990
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110586680.XA Withdrawn CN113351474A (en) | 2021-05-27 | 2021-05-27 | City construction sand sieving mechanism |
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| Country | Link |
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| CN (1) | CN113351474A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113600482A (en) * | 2021-10-11 | 2021-11-05 | 徐州吉之迪机械制造有限公司 | Agricultural machine seed screening machine |
| CN114812129A (en) * | 2022-06-28 | 2022-07-29 | 河南省朝前建设工程有限公司 | Quick drying device of material for building engineering construction |
| CN117920570A (en) * | 2024-01-24 | 2024-04-26 | 海宁海泰建材有限公司 | Screening plant is used in recycled concrete processing |
-
2021
- 2021-05-27 CN CN202110586680.XA patent/CN113351474A/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113600482A (en) * | 2021-10-11 | 2021-11-05 | 徐州吉之迪机械制造有限公司 | Agricultural machine seed screening machine |
| CN114812129A (en) * | 2022-06-28 | 2022-07-29 | 河南省朝前建设工程有限公司 | Quick drying device of material for building engineering construction |
| CN117920570A (en) * | 2024-01-24 | 2024-04-26 | 海宁海泰建材有限公司 | Screening plant is used in recycled concrete processing |
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