Automatic sand screening device for building material synthesis production and sand screening method thereof
The application is a divisional application with application date of 2019, 12 and 04 months, application number of CN 201911226509.7 and invented name of an automatic high-precision sand screening device for building material synthesis production.
Technical Field
The invention relates to the technical field of building material processing, in particular to an automatic sand screening device for building material synthesis production and a sand screening method thereof.
Background
Building materials used in buildings are collectively referred to as building materials. The novel building materials have a wide range, and include heat insulation materials, high-strength materials, breathable materials and the like. The building materials are a general term for materials used in civil engineering and construction work. The sand is a common building construction material in the building construction process, is also a necessary material for synthesizing other building materials, and generally needs to be screened before the sand is used.
Current sand screening is generally through artifical screening, a large amount of manpowers have not only been wasted, and screening efficiency is low, and current automatic sand sieving mechanism, reciprocate through removing the sieve, adopt the brush to promote great sand on the sieve simultaneously, thereby avoid the sieve to be blockked up, but along with constantly piling up of great sand, can influence the flow velocity of fine sand, thereby influence work efficiency, long-time work probably leads to the inside whole jam of device, still need set up extra big husky device in addition, we have proposed the automatic sand sieving mechanism of a building material synthesis production usefulness in order to solve this problem.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides an automatic sand screening device for building material synthesis production and a sand screening method thereof, which have the advantages of avoiding the blockage of a sieve plate and improving the working efficiency and solve the problems of easy blockage of the sieve plate and low working efficiency of the traditional sand screening device.
(II) technical scheme
In order to achieve the purposes of avoiding the blockage of the sieve plate and improving the working efficiency, the invention provides the following technical scheme: an automatic sand screening device for building material synthesis production and a sand screening method thereof comprise a sand screening box, wherein rotary columns are arranged on the left side and the right side of the inside of the sand screening box, an inclined plane is arranged on the lower side of the inside of the sand screening box, an air inlet pipe is arranged on the left side of the lower part of the sand screening box, an arc-shaped groove is arranged on the lower part of the sand screening box and under the inclined plane, support legs are fixedly connected to the lower end of the sand screening box, a funnel is fixedly connected to the upper end of the sand screening box, a rotating shaft is arranged inside the funnel, a spiral blade is fixedly connected to the outer side of the upper part of the rotating shaft, a blade is arranged on the outer side of the lower part of the rotating shaft, an output shaft is rotatably connected to the rear side wall inside the sand screening box, a cam is fixedly connected to the outer side of the output shaft, pendulum bob weights are rotatably connected to the left side and the right side of the sand screening box and on, a second spring is fixedly connected to the left side and the right side of the sand screening box and the inner side of the first spring, a screening plate is fixedly connected to the upper end of the second spring, a circular groove is formed in the screening plate, an air injection device is connected in the circular groove in a sliding manner and in the screening plate, an air injection port is formed in the air injection device, a connecting plate is fixedly connected to the lower end of the air injection device, a third spring is arranged between the screening plate and the connecting plate, a sliding rod is fixedly connected to the lower end of the screening plate, an air outlet pipe is formed in the sliding rod, a sleeve is connected to the outer side of the lower portion of the sliding rod in a sliding manner and on the inclined surface, a first one-way valve is arranged in the sand screening box and in the air inlet pipe, a control device is arranged in the middle of the sand screening box and under the air outlet pipe, a sliding groove is formed, the lower end of the control device is fixedly connected with the air bag in the arc-shaped groove, the moving block is connected to the inside of the control device in the sliding groove in a sliding mode, a second one-way valve is arranged in the middle of the moving block, through holes are formed in the left side and the right side of the second one-way valve in the moving block, magnetic blocks are fixedly connected to the inside of the moving block in the outer side of the through holes, and a fourth spring is arranged between the magnetic blocks and the positioning block.
Preferably, the blade gradually increases in diameter from top to bottom, thereby ensuring that the sand is broken up and broken apart.
Preferably, the front wall and the rear wall of the U-shaped rod are provided with a magnet group on the sand screening box, so that the current generated by the coil cutting magnetic induction line acts on the lower end of the U-shaped rod.
Preferably, the pendulum, the U-shaped rod and the first spring are mutually adaptive, namely when the pendulum, the U-shaped rod and the first spring are balanced when the pendulum, the U-shaped rod and the first spring are not in operation, and the U-shaped rod is in a horizontal state.
Preferably, the direction of the air injection ports is horizontal and is uniformly arranged at the upper part of the air injection device.
Preferably, the screening plate is provided with a hole matched with the air injection device, so that the air injection device is ensured to slide in the screening plate.
Preferably, the current directions of the left coil and the right coil are different, and the magnetic field directions of the left magnetic block and the right magnetic block are also different, so that the coils can push the magnetic blocks to move left and right, and the moving block is further driven to move left and right.
Preferably, the screening plate is provided with sand leaking holes with the diameter increasing from outside to inside, the upper surface of each sand leaking hole is arc-shaped, and large-particle sand or sand clusters are guaranteed to be gathered in the middle of the screening plate in the vivid process of the screening plate.
(III) advantageous effects
Compared with the prior art, the invention provides an automatic sand screening device for building material synthesis production and a sand screening method thereof, and the automatic sand screening device has the following beneficial effects:
1. this automatic sand sieving mechanism of building material synthetic production usefulness through pouring the sand in to the funnel, and the spiral leaf is pushed down to the sand under the effect of its gravity, and the spiral leaf drives the blade through the pivot and breaks up sand group, and evenly scatters on the screening board through the centrifugation of blade, and this structure has reached and has utilized sand gravity to accomplish the automatic effect of breaing up to extra setting up of breaking up the device has been avoided.
2. The automatic sand screening device for building material synthesis production drives the output shaft to rotate through the driving device, the output shaft drives the cam to intermittently extrude the screening plate, the screening plate drives the sliding rod to move downwards, gas in the sliding rod compression sleeve enters the air bag through the second one-way valve, when the screening plate is reset under the action of the second spring, due to the inertia of the screening plate, the screening plate impacts the pendulum bob, the pendulum bob drives the U-shaped rod to vibrate, the coil on the U-shaped rod cuts the magnetic induction line to generate current, the generated current forms a magnetic field through the coil at the lower end of the coil, the current in the coil is alternating current, the magnetic field is formed to push the magnetic block to reciprocate in the sliding groove, the gas in the air bag is sprayed out through the through hole, in addition, due to the vibration of the screening plate, the air spraying device extrudes the third spring to move upwards, and the air spraying port leaks to blow large, thereby make it sieve out from the hourglass husky mouth of screening plate periphery, this structure has reached and has refined the effect of just screening it to large granule sand to solve the problem that current screening sand device sieve easily blockked up and work efficiency is low.
3. This automatic sand sieving device of synthetic production usefulness of building material sets up the sand leakage sub-hole that from outer to the internal diameter is bigger and bigger through the screening board, and the upper surface is the arc, guarantees the middle part at the screening board at the vivid in-process of screening board that big sand or sand group gather to be convenient for rolling of cam, this structure reaches the effect of refining large granule sand.
4. This automatic sand sieving device of building material synthetic production usefulness all connects gas injection unit through the connecting plate to guarantee that the cam from contacting with the screening plate and leaving, whole gas injection unit is all extrudeed, thereby avoids gas injection unit to lead to the scratch by the initial inertia of cam, and has avoided the gas in the sleeve to spout from the jet orifice.
5. This automatic sand screening device of synthetic production of building material usefulness, U type pole through setting up is the U shape, and it is towards the screening board, when screening board and pendulum collide, in the sound energy transmission of screening board and pendulum production to the recess of U type pole, and make it take place vibrations, pendulum vibration transmission gives U type pole simultaneously, the frequency of same vibration source is the same, the waste of sound energy has not only been avoided to this structure, and make U type pole reach resonant effect, thereby the vibration intensity of U type pole has been guaranteed, further the promotion dynamics in coil lower part magnetic field, thereby vibration difference when having increased cam and screening board contact, thereby make when cam and screening board contact, the through-hole does not coincide with controlling means's venthole, the effect that the gas in the gasbag did not run out, and then guarantee the inflation of gasbag.
Drawings
FIG. 1 is a sectional view of the overall front structure of the present invention;
FIG. 2 is an enlarged view of the structure of FIG. 1 at A according to the present invention;
FIG. 3 is an enlarged view of the structure of FIG. 1 at B according to the present invention;
FIG. 4 is an enlarged view of the structure of FIG. 1 at C according to the present invention;
fig. 5 is a partial sectional view of the front structure of the control device of the present invention.
In the figure: 1 sand screening box, 101 rotating columns, 102 inclined planes, 103 air inlet pipes, 104 arc-shaped grooves, 2 feet, 3 funnels, 4 rotating shafts, 401 spiral blades, 402 blades, 5 output shafts, 6 cams, 7 pendulums, 8U-shaped rods, 9 coils, 10 first springs, 11 second springs, 12 screening plates, 1201 circular grooves, 13 air injection devices, 1301 air injection ports, 14 connecting plates, 15 third springs, 16 sliding rods, 1601 air outlet pipes, 17 sleeves, 18 first check valves, 19 control devices, 1901 sliding grooves, 1902 positioning blocks, 20 air bags, 21 moving blocks, 2101 second check valves, through holes, 2103 magnetic blocks and 22 fourth springs.
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. 1-5, an automatic sand sieving device for building material synthesis production and a sand sieving method thereof include a sand sieving box 1, wherein rotating columns 101 are arranged on the left and right sides of the inside of the sand sieving box 1, an inclined plane 102 is arranged on the lower side of the inside of the sand sieving box 1, an air inlet pipe 103 is arranged on the left side of the lower portion of the sand sieving box 1, an arc-shaped groove 104 is arranged on the lower portion of the sand sieving box 1 and under the inclined plane 102, support legs 2 are fixedly connected to the lower end of the sand sieving box 1, a funnel 3 is fixedly connected to the upper end of the sand sieving box 1, a rotating shaft 4 is arranged inside the funnel 3, a spiral blade 401 is fixedly connected to the outer side of the upper portion of the rotating shaft 4, a blade 402 is arranged on the outer side of the lower portion of the rotating shaft 4, and the diameter. The inside back lateral wall of screening sand case 1 rotates and is connected with output shaft 5, the outside fixedly connected with cam 6 of output shaft 5, the left and right sides of screening sand case 1 just rotates on rotary column 101 and is connected with pendulum 7, the lower extreme fixedly connected with U type pole 8 of pendulum 7, the inboard end fixedly connected with coil 9 of U type pole 8, the preceding back wall of U type pole 8 just is provided with magnet group on screening sand case 1, thereby guarantee that the electric current that coil 9 cutting magnetic induction line produced acts on its lower extreme. A first spring 10 is connected between the lower end of the U-shaped rod 8 and the sand screening box 1 in a specified mode, and the pendulum 7, the U-shaped rod 8 and the first spring 10 are adaptive to each other, namely when the pendulum, the U-shaped rod 8 and the first spring are not in work and keep balance, the U-shaped rod 8 is in a horizontal state. The left side and the right side of the sand screening box 1 are fixedly connected with a second spring 11 at the inner side end of a first spring 10, the upper end of the second spring 11 is fixedly connected with a screening plate 12, and a circular groove 1201 is formed in the screening plate 12.
The inside of screening plate 12 and sliding connection has air jet system 13 in circular slot 1201, and air jet system 13's inside has been seted up air jet 1301, and the direction of air jet 1301 is the horizontal direction, and evenly sets up on the upper portion of air jet system 13, has seted up the hole that suits with air jet system 13 on the screening plate 12 to guarantee that air jet system 13 slides in screening plate 12. The lower end of the air injection device 13 is fixedly connected with a connecting plate 14, a third spring 15 is arranged between the screening plate 12 and the connecting plate 14, the lower end of the screening plate 12 is fixedly connected with a sliding rod 16, an air outlet pipe 1601 is arranged inside the sliding rod 16, a sleeve 17 is connected on the outer side of the lower part of the sliding rod 16 and on the inclined plane 102 in a sliding manner, a first one-way valve 18 is arranged inside the screening sand box 1 and inside the air inlet pipe 103, a control device 19 is arranged in the middle of the screening sand box 1 and under the air outlet pipe 1601, a sliding groove 1901 is arranged in the middle of the control device 19, positioning blocks 1902 are arranged inside the control device 19 and on the left side and the right side inside the sliding groove 1901, an air bag 20 is fixedly connected at the lower end of the control device 19 and inside the arc-shaped groove 104, a moving block 21 is connected inside the control device 19 and in the sliding groove 1901 in a sliding manner, a second one-way valve 2101 is arranged in, the inside of movable block 21 and all fixedly connected with magnetic path 2103 in the outside of through-hole 2102, the current direction of controlling coil 9 is different, and the magnetic field direction of controlling magnetic path 2103 is also different to guarantee that coil 9 promotes the magnetic path 2103 and removes, further drive movable block 21 and remove. A fourth spring 22 is arranged between the magnetic block 2103 and the positioning block 1902.
The working principle is as follows: this automatic sand sieving device of synthetic production usefulness of building material, at the during operation, through pouring the sand into funnel 3, the spiral leaf 401 is pushed down to the sand under the effect of its gravity, and spiral leaf 401 drives blade 402 through pivot 4 and breaks up sand group, and evenly scatters on screening plate 12 through the centrifugation of blade 402, and this structure has reached and has utilized sand gravity to accomplish the automatic effect of breaing up to extra setting up of breaking up the device has been avoided. The output shaft 5 is driven to rotate by the driving device, the output shaft 5 drives the cam 6 to intermittently extrude the screening plate 12, the screening plate 12 drives the sliding rod 16 to move downwards, the sliding rod 16 compresses the gas in the sleeve 17 and enters the air bag 20 through the second one-way valve, when the screening plate 12 is reset under the action of the second spring 11, due to the inertia of the screening plate 12, the screening plate 12 impacts the pendulum bob 7, the pendulum bob 7 drives the U-shaped rod 8 to vibrate, the coil 9 on the U-shaped rod 8 cuts the magnetic induction line to generate current, the generated current forms a magnetic field through the coil at the lower end of the coil 9, as the current in the coil 9 is alternating current, the magnetic field is formed to push the magnetic block 2103 to reciprocate in the sliding groove 1901, at the moment, the gas in the air bag 20 is sprayed out through the through hole 2102, in addition, due to the vibration of the screening plate 12, the air spraying device 13 extrudes the third spring 15 to move upwards, and the air nozzle 1301 leaks, thereby make it sieve out from the hourglass husky mouth in the screening plate 12 periphery, this structure has reached and has refined the effect of its screening to large granule sand to solve the easy problem of blockking up and work efficiency is low of current screening sand device sieve. Set up from outside to the increasing sand leakage hole of internal diameter through screening plate 12 on, and the upper surface is the arc, guarantees the sand of large granule or the gathering of sand group at the middle part of screening plate at the vivid in-process of screening plate 12 to be convenient for rolling of cam 6, this structure reaches the effect of refining large granule sand. The connecting plates 14 are connected with the air injection devices 13, so that the cams 6 are guaranteed to leave from contacting the screening plate 12, the whole air injection devices 13 are extruded, the air injection devices 13 are prevented from being scratched by the initial inertia of the cams 6, and the air in the sleeve 17 is prevented from being sprayed out from the air injection ports 1301. U type pole 8 through setting up is the U-shaped, and it is towards screening board 12, when screening board 12 collides with pendulum 7, screening board 12 transmits the sound energy that pendulum 7 produced in the recess of U type pole 8, and make it take place vibrations, pendulum 7 vibration transmission gives U type pole 8 simultaneously, the frequency of same vibration source is the same, this structure has not only avoided the waste of sound energy, and make U type pole 8 reach resonant effect, thereby the vibration intensity of U type pole 8 has been guaranteed, further the promotion dynamics in coil 9 lower part magnetic field, thereby vibration difference when having increased cam 6 and screening board 12 contact, thereby when making cam 6 and screening board 12 contact, through-hole 2102 and controlling means 19's venthole do not coincide, the effect that the gas in the gasbag 20 did not run out, and then guarantee the inflation of gasbag 20.
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.