Disclosure of Invention
The invention aims to provide a swinging type sand screening device for building construction, which solves the problems that the device is easy to block, sand with larger screening net surface cannot be automatically cleaned and dust cannot be treated in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a swinging type sand and stone screening device for building construction comprises a rack, a limiting disc and a storage chamber, wherein an inlet pipe is fixed at the upper end of the rack, the upper end of the interior of the inlet pipe is connected with the limiting disc, a balancing weight is fixed inside the limiting disc, an exhaust pipe is arranged inside the upper end of the rack, a motor is fixed inside the exhaust pipe, a support column is arranged at the lower end of the motor, blades and a fixed gear are sequentially fixed on the side surface of the support column from top to bottom, a connecting gear is arranged on the side surface of the fixed gear and is fixed at one end of a fixed rod, 2 connecting gears are symmetrically arranged on the central axis of the fixed rod, the fixed rod is rotatably connected inside the exhaust pipe, a connecting column is connected inside the lower end of the exhaust pipe, the fixed gear is arranged on the side surface of the connecting, and the upper end of solid fixed ring is provided with the apotheca, the apotheca is "L" shape, and the one end internal connection of apotheca has the locking cap to the fixed orifices has been seted up to the side of locking cap, the inside of frame is provided with the screening case, and the side of screening case is connected with the gyro wheel, the discharge gate has been seted up to the lower extreme of frame inside.
Preferably, the upper end of inlet pipe is leaks hopper-shaped, and the lower extreme of inlet pipe is the slope form to inlet pipe and spacing dish constitute revolution mechanic, and the inside symmetry of spacing dish is provided with 2 balancing weights simultaneously.
Preferably, blast pipe and support column constitute rotating-structure, and the side of support column is the equal angle and is provided with the blade to support column and connecting gear pass through the fixed gear and connect for the meshing, and connecting gear and spliced pole are connected for the meshing through connecting the gear simultaneously, and the spliced pole is "L" shape moreover, spliced pole and limiting plate are sliding connection.
Preferably, the limiting plate rotates to be connected in the bottom of inlet pipe, and the lower extreme of inlet pipe is inside to be seted up the fixed slot to the inside of fixed slot is fixed with the spring, and the one end of spring is connected with the limiting plate simultaneously, and the upper end of fixed slot and limiting plate is the annular moreover.
Preferably, blast pipe and solid fixed ring are threaded connection, and solid fixed ring and apotheca constitute revolution mechanic to apotheca and locking nut are connected for the block, and the side evenly distributed of locking nut has the fixed orifices simultaneously.
Preferably, the inside of screening case is the filter screen form, and the inside of screening case is the inclined plane to screening case and gyro wheel constitute revolution mechanic, and gyro wheel and frame are sliding connection simultaneously, and the rear end of screening case is fixed with the connecting rod moreover.
Preferably, the one end of connecting rod is connected with the spring, and the spring setting is in the inside of sill bar to sill bar and connecting rod constitute extending structure, and the sill bar is fixed in the outside of frame simultaneously.
Preferably, the number of the discharge holes is 2, and the upper end of each discharge hole is an inclined plane.
Compared with the prior art, the invention has the beneficial effects that: the swing type sand and stone screening device for building construction,
1. when the device is used, the sand flows downwards in an inclined shape, and intervals exist between every two falling of the sand, when the sand falls, the sand pushes the screening box in the horizontal direction due to the inclined shape, so that the screening box moves, the resistance borne by the screening box can be reduced by the roller, the screening box moves conveniently, and when the screening box moves to a certain position, the spring pushes the screening box to move backwards, so that the screening box swings, and the phenomenon that the screening box is blocked is avoided;
2. when the device is used, the motor drives the connecting column to rotate, the connecting column can drive the limiting plate to rotate when rotating, so that materials intermittently move downwards, and resistance caused by sand and a screening box moving backwards is prevented;
3. when the grit gets into the inside back of screening case that flows down under the action of gravity, because the inside of screening case is the filter screen form, so can filter the grit according to the diameter of grit, the less grit of diameter can see through screening case downward flow, the inside of screening case is the inclined plane moreover, so the great grit of diameter can flow along the inclined plane of screening case, until flowing out from the left breach department of screening case, later the grit flows in discharge gate china, and then is convenient for collect the grit.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-8, the present invention provides a technical solution: a swinging type sand screening device for building construction comprises a rack 1, a feeding pipe 2, a limiting disc 3, a balancing weight 4, a fixing groove 5, a spring 6, a limiting plate 7, an exhaust pipe 8, a motor 9, a support pillar 10, blades 11, a fixed gear 12, a connecting gear 13, a fixing rod 14, a connecting pillar 15, a fixing ring 16, a storage chamber 17, a fixing cap 18, a fixing hole 19, a screening box 20, a roller 21, a connecting rod 22, a bottom rod 23 and a discharge port 24, wherein the feeding pipe 2 is fixed at the upper end of the rack 1, the limiting disc 3 is connected with the upper end of the inner part of the feeding pipe 2, the balancing weight 4 is fixed in the limiting disc 3, the exhaust pipe 8 is arranged in the upper end of the rack 1, the motor 9 is fixed in the exhaust pipe 8, the support pillar 10 is arranged at the lower end of the motor 9, and the blades 11 and the, the side of fixed gear 12 is provided with connecting gear 13, and connecting gear 13 fixes the one end at dead lever 14, connecting gear 13 is provided with 2 about the central axis symmetry of dead lever 14, and dead lever 14 rotates the inside of connecting at blast pipe 8, the lower extreme internal connection of blast pipe 8 has spliced pole 15, and the side of spliced pole 15 is provided with fixed gear 12, the upper end outside of blast pipe 8 is connected with solid fixed ring 16, and the upper end of solid fixed ring 16 is provided with apotheca 17, apotheca 17 is "L" shape, and the one end internal connection of apotheca 17 has locking cap 18, and fixed orifices 19 has been seted up to the side of locking cap 18, the inside of frame 1 is provided with screening case 20, and the side of screening case 20 is connected with gyro wheel 21, discharge gate 24 has been seted.
The upper end of the feeding pipe 2 is funnel-shaped, the lower end of the feeding pipe 2 is inclined, the feeding pipe 2 and the limiting disc 3 form a rotating structure, 2 balancing weights 4 are symmetrically arranged in the limiting disc 3, when the material is fed, the material is placed in the feeding pipe 2, the upper end of the feeding pipe 2 is funnel-shaped, the material can be prevented from leaking, the material can slide downwards along the inclined surface of the feeding pipe 2 and fall above the limiting disc 3, the limiting disc 3 can rotate due to the unbalance of the two ends of the limiting disc 3, after the limiting disc 3 rotates, the limiting disc 3 is inclined, the material flows downwards along the inclined surface, when the material flows downwards, the limiting disc 3 restores to the horizontal position, the balancing weights 4 are arranged at the two ends of the limiting disc 3, the rotating angle range of the limiting disc 3 and the feeding pipe 2 is-80 degrees to 80 degrees, so the two ends of the limiting disc 3 are heavier, the material at the two ends of the limiting disc 3 can be prevented from flowing into the device and then not rotating under the action of friction force, and the limiting disc 3 can be prevented from being vertical, so that the device can not be restored to the original position.
The exhaust pipe 8 and the supporting column 10 form a rotating structure, the side surfaces of the supporting column 10 are provided with blades 11 at equal angles, the supporting column 10 and the connecting gear 13 are in meshed connection through a fixed gear 12, the connecting gear 13 and the connecting column 15 are in meshed connection through a connecting gear 13, the connecting column 15 is in an L shape, the connecting column 15 and the limiting plate 7 are in sliding connection, the motor 9 drives the supporting column 10 to rotate, the blades 11 and the fixed gear 12 rotate along with the supporting column 10 when the supporting column 10 rotates, gas in the device flows into the exhaust pipe 8 when the blades 11 rotate, dust flows along with the gas, the dust removing purpose is achieved, the connecting gear 13 rotates along with the fixed gear 12 when the fixed gear 12 rotates, and the rotating speed of the connecting gear 13 is slow because the diameter of the fixed gear 12 is smaller than that of the connecting gear 13, and the lower connecting gear 13 and the upper connecting gear 13 are connected by the fixing rod 14, so the lower connecting gear 13 also rotates, and the fixed gear 12 is driven to rotate when the lower connecting gear 13 rotates, and since the diameter of the fixed gear 12 is larger than that of the lower connecting gear 13, the rotating speed of the fixed gear 12 is slow, and the rotating speed of the connecting column 15 is weakened again.
Limiting plate 7 rotates the bottom of connecting at inlet pipe 2, and inlet pipe 2's lower extreme is inside has seted up fixed slot 5, and the inside of fixed slot 5 is fixed with spring 6, simultaneously spring 6's one end is connected with limiting plate 7, and the upper end of fixed slot 5 and limiting plate 7 is the annular, can contact with limiting plate 7 at pivoted in-process when spliced pole 15, thereby drive limiting plate 7 and rotate, it is no longer spacing to inlet pipe 2 when limiting plate 7 rotates, make the material flow from inlet pipe 2, and when inlet pipe 2 rotates, spring 6 can stretch out and draw back, after limiting plate 7 and spliced pole 15 do not contact again, spring 6 drives spliced pole 15 and resumes the normal position and cover inlet pipe 2 again, and then the admission speed of control material, increase the efficiency of screening.
Blast pipe 8 and solid fixed ring 16 are threaded connection, and solid fixed ring 16 and apotheca 17 constitute revolution mechanic, and apotheca 17 and fixed cap 18 are connected for the block, simultaneously the side evenly distributed of fixed cap 18 has fixed orifices 19, gas is along blast pipe 8 inside to apotheca 17 that flows upwards, reentrant fixed cap 18's inside, fixed orifices 19 can block the outside flow of dust, and make the outside flow that the air can be normal, when needs clear up apotheca 17, through rotating solid fixed ring 16 with its and blast pipe 8 separation, again with fixed cap 18 downward movement with its and apotheca 17 separation, and then clear up the inside of apotheca 17 and fixed cap 18.
The inside of screening case 20 is the filter screen form, and the inside of screening case 20 is the inclined plane, and screening case 20 and gyro wheel 21 constitute revolution mechanic, gyro wheel 21 and frame 1 are sliding connection simultaneously, and the rear end of screening case 20 is fixed with connecting rod 22, after the grit flows in the inside of screening case 20, because the inside filter screen form that is of screening case 20, so can filter the grit, and its inside is the inclined plane, so the less grit of diameter can directly flow into the below through screening case 20, and the great grit of diameter can flow along the inclined plane of screening case 20, after removing to the bottom, the grit flows from the breach department of screening case 20 left end.
One end of the connecting rod 22 is connected with the spring 6, the spring 6 is arranged inside the bottom rod 23, the bottom rod 23 and the connecting rod 22 form a telescopic structure, meanwhile, the bottom rod 23 is fixed outside the frame 1, when sand flows out from the feeding pipe 2, because the lower end of the feeding pipe 2 is a slope, and the feeding pipe 2 and the screening box 20 have a certain height difference, the sand flows downwards to the inside of the storage chamber 17 in a slope shape, so as to provide a transverse force to the storage chamber 17, at the moment, the storage chamber 17 moves to one side, the roller 21 can rotate, so as to reduce the friction force between the storage chamber 17 and the frame 1, facilitate the movement of the storage chamber 17, when the storage chamber 17 moves to one side, the connecting rod 22 moves into the inside of the bottom rod 23 along with the movement, the spring 6 contracts along with the movement, then the spring 6 drives the connecting rod 22 to move, and the screening box 20 swings along with the movement, thereby preventing the screening box 20 from being blocked, and preventing the screening box 20 from swinging due to the fact that the sand flows downwards discontinuously, and the screening box 20 is prevented from offsetting the force between the sand and the screening box due to the fact that the screening box 20 moves backwards at a high speed.
Discharge gate 24 is provided with 2, and the upper end of discharge gate 24 is the inclined plane, can flow downwards under the action of gravity after the material flows out from screening box 20, and rethread discharge gate 24 flows downwards, because discharge gate 24 is the inclined plane, so be convenient for collect the material.
The working principle is as follows: when the swing type sand and stone screening device for building construction is used, firstly, the device is connected with an external power supply, then sand and stone are added into the feeding pipe 2, at the moment, the sand and stone can flow downwards to the upper part of the limiting disc 3 along the inclined surface of the feeding pipe 2, the limiting disc 3 rotates due to unbalanced weight of the upper end of the limiting disc 3, so that the limiting disc 3 is inclined, materials move downwards along the limiting disc 3, and then the balancing weight 4 drives the limiting disc 3 to rotate, so that the limiting disc 3 is restored to the original position;
the motor 9 drives the supporting column 10 to rotate, so that the blades 11 and the fixed gear 12 rotate, when the fixed gear 12 rotates, the connecting gear 13 and the fixed rod 14 are driven to rotate, the rotating speed of the fixed rod 14 is lower than that of the supporting column 10, the connecting gear 13 at the lower end of the fixed rod 14 drives the fixed gear 12 to rotate, the connecting column 15 rotates along with the connecting column, the rotating speed of the connecting column 15 is lower than that of the fixed rod 14, and the connecting column 15 contacts with the limiting plate 7 along with the rotation of the connecting column 15, so that the limiting plate 7 is driven to rotate;
when the limiting plate 7 rotates, the feeding pipe 2 is not stopped, so that the material flows into the inside of the rack 1, and when the limiting plate 7 is not in contact with the connecting column 15, the spring 6 drives the limiting plate 7 to return to the original position, so that the limiting plate 7 retracts into the inside of the fixing groove 5;
because the feeding pipe 2 is inclined and the feeding pipe 2 and the screening box 20 have a certain height difference, the material will flow downwards in an inclined shape and fall on the surface of the screening box 20, because the material is inclined, a horizontal thrust will be formed on the screening box 20, so that the screening box 20 moves, the roller 21 can reduce the friction force on the screening box 20, when the screening box 20 moves, the connecting rod 22 moves along with the material and enters the inside of the bottom rod 23, the spring 6 in the bottom rod 23 also contracts, when the screening box 20 moves to a certain position, the spring 6 pushes the screening box 20 to move back, so that the screening box 20 swings, the phenomenon that the screening box 20 is blocked is prevented, because the screen inside the screening box 20 is inclined, the material with smaller diameter will flow downwards through the screening box 20, and the material with larger diameter will flow leftwards along the inclined plane, until the materials flow out from the notch at the left end of the screening box 20, then the materials flow downwards to the inside of the discharge port 24 under the action of gravity, and the discharge port 24 is inclined, so that the materials are convenient to collect;
when the blades 11 rotate, gas in the rack 1 can flow into the exhaust pipe 8 and then enter the storage chamber 17, impurities can be stored in the storage chamber 17, air can flow out to the outside along the fixing hole 19, after the device is used for a period of time, the storage chamber 17 and the exhaust pipe 8 are separated by rotating the fixing ring 16, the fixing cap 18 is moved downwards to be separated from the storage chamber 17, and then the impurities in the storage chamber 17 and the fixing cap 18 are cleaned, so that the overall practicability is improved.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.