CN117323773A

CN117323773A - Mixed sand dust fall equipment

Info

Publication number: CN117323773A
Application number: CN202311278647.6A
Authority: CN
Inventors: 谢虎; 梁华国; 梁华勇; 梁华桥; 谢舰
Original assignee: Chongqing Beihengyuan Energy Saving Building Materials Co ltd
Current assignee: Chongqing Beihengyuan Energy Saving Building Materials Co ltd
Priority date: 2023-09-28
Filing date: 2023-09-28
Publication date: 2024-01-02

Abstract

The invention relates to the field of prefabricated building components, and discloses a prefabricated building component which comprises an exhaust pipe, wherein a dust exhaust fan is arranged at the end part of the exhaust pipe, a dust falling mechanism is arranged at the position of an air inlet of the dust exhaust fan, the dust falling mechanism comprises a dust collection cloth bag and a sprinkling unit above the dust collection cloth bag, a dust exhaust part is arranged below the dust falling mechanism, a vertical channel is arranged in the dust exhaust part and communicated with the exhaust pipe, a dust exhaust mechanism is arranged in the vertical channel and is arranged below the dust falling mechanism, the dust exhaust mechanism comprises an adsorption piece, a support plate, a gravity sensing unit and a friction unit, and a rotary driving piece is arranged on the side surface of the adsorption piece and is arranged on the support plate. So as to improve the dust removal efficiency in the production process of the mixed sand.

Description

Mixed sand dust fall equipment

Technical Field

The invention relates to the field of prefabricated building components, in particular to mixed sand dust settling equipment.

Background

Along with the standardized progress of building construction, the prefabricated building elements are increasingly used. Compared with cast-in-place concrete, the prefabricated component is manufactured and molded in a factory building, the molding environment is better, and processing equipment is more systematically standardized, so that the quality of the prefabricated component is better.

Wherein, in the production process of the mixed sand of one of the raw materials of prefabricated component, can produce a large amount of dust, can cause harm to production workman's health, the dust can not be blown away by wind voluntarily in the factory building simultaneously, therefore the dust removal in the mixed sand production process is very important.

In the prior art, an exhaust device and a dust removal bag are arranged at an exhaust position to collect dust, but the dust is easy to scatter under the action of air flow, so that the dust is easy to scatter as the power of the exhaust device is higher, and the method has low efficiency; meanwhile, the water and dust cannot be sprayed everywhere like a construction site, otherwise, the humidity of the mixed sand can be influenced, and the quality of the mixed sand product is further reduced.

Disclosure of Invention

The invention aims to provide mixed sand dust fall equipment so as to improve the dust removal efficiency in the mixed sand production process.

In order to achieve the above purpose, the invention adopts the following technical scheme: the utility model provides a mixed sand dust fall equipment, including the exhaust pipe, the exhaust pipe tip is equipped with the dust exhaust fan, the air intake position of dust exhaust fan is equipped with dust fall mechanism, dust fall mechanism includes dust removal sack and dust removal sack top's watering unit, dust fall mechanism below is equipped with dust exhaust portion, be equipped with vertical passageway in the dust exhaust portion, vertical passageway and exhaust pipe intercommunication, be equipped with dust exhaust mechanism in the vertical passageway, dust exhaust mechanism sets up in dust fall mechanism below, dust exhaust mechanism includes the suction attachment, a supporting plate, gravity sensing unit and friction unit, the suction attachment side is equipped with rotary driving spare, the suction attachment sets up in the backup pad, be equipped with in the backup pad and supply liquid to flow through the space, the gravity after the suction attachment adsorbs the dust increases, trigger gravity sensing unit when suction attachment weight reaches the setting value, gravity sensing unit gives the friction unit, friction unit is close to and contact the suction attachment, rotary driving spare drives the suction attachment rotation, dust is thrown away with the in the frictional in-process of suction attachment and friction unit.

The beneficial effect of this scheme is:

1. the dust exhaust fan sucks dust into the exhaust pipe, the dust removing cloth bag is arranged at the air inlet of the dust exhaust fan, so that the dust is prevented from being directly exhausted through the fan, and the influence on the external air quality is avoided; the sprinkling unit makes dust and water smoke combine to drop downwards through sprinkling, and the dust drops on the absorption piece, and the gravity after the absorption piece adsorbs the dust increases, triggers gravity sensing unit when absorption piece weight reaches the setting, and the friction unit is given with the signal transmission to gravity sensing unit, and friction unit is close to and contacts the absorption piece, and rotatory driving piece drives the absorption piece rotation, and absorption piece and friction in-process of friction unit throws away the dust.

2. Because the absorption piece blocks, the water mist in the vertical channel can not be immediately discharged, and the concentration of the water mist above the absorption piece is increased, so that dust is easier to combine with the water mist to drop downwards, and the dust falling efficiency is improved.

3. In the rotating process of the adsorption piece, because the concentration of the water mist above the adsorption piece is large, dust is not easy to be thrown upwards, and relatively, the dust is easier to be thrown downwards, so that the purpose of discharging the dust is achieved.

4. Compared with continuous dust discharge, in the scheme, the dust is firstly dropped on the adsorption piece and then intermittently discharged, so that the discharged dust is more concentrated, is easier to clean in a concentrated way, and has higher cleaning efficiency; meanwhile, more dust is concentrated together for treatment, so that dust emission is not easy to generate, and the environment is protected.

Further, the dust fall mechanism further comprises a grid plate which is vertically arranged, and the grid plate provides support for the dust removal cloth bag in the air flow direction. The dust removing cloth bag is supported on the grid plate so that the dust removing cloth bag forms a plane, and when the water mist is combined with dust on the dust removing cloth bag, the dust falls down along the plane.

Further, the adsorption piece comprises a sponge and an inner shell, wherein the inner shell is a rigid strip-shaped shell, and the sponge is wrapped outside the inner shell. So set up, the sponge can be better adsorb the dust, provide the support for the sponge through the inner shell to rotatory, and because the sponge is flexible material, can produce bigger deformation in rotatory in-process, and then throw away the dust more easily.

Further, the friction unit comprises two friction components symmetrically arranged on two sides of the adsorption piece, the friction components comprise friction plates and a horizontal driving piece, the horizontal driving piece can drive the friction plates to be close to the adsorption piece, and a plurality of protrusions are arranged on the friction plates. So set up, increase the contact surface of friction plate and absorbing member through the arch to increase absorbing member rotation in-process deformation, and then throw away the dust more easily, through the gap between the arch, make water smoke and air flow downwards more easily, so as to throw away the dust downwards.

Further, a rectangular groove is vertically formed in the inner side of the side wall of the vertical channel, a rectangular sliding block is connected in the rectangular groove in a sliding manner, a rotary driving piece is arranged in the rectangular sliding block, two ends of the adsorption piece are respectively provided with a horizontal rotating shaft, and the horizontal rotating shafts penetrate into the rectangular sliding block and are in rotary connection with the rectangular sliding block;

the vertical channel is rectangular in section, vertical sliding grooves are formed in two opposite side walls of the vertical channel, the gravity sensing unit comprises a controller and a sliding plate, the sliding plate is slidably connected in the sliding grooves, and the supporting plate penetrates through the side walls of the vertical channel to be connected with the sliding plate; the vertical lifting spring that is equipped with between slide lower extreme and the spout, slide side are equipped with two interconnect's board and are gone up conductive shell fragment, are equipped with two in the spout and are connected with the controller inslot conductive shell fragment, and after the slide descends, the board is gone up conductive shell fragment and inslot conductive shell fragment contact back, and the controller sends the signal to horizontal driving piece and rotary driving piece, and horizontal driving piece drives the friction plate and is close to and contact the absorbing member, and rotary driving piece drives the absorbing member rotation.

So set up, there is the following effect:

1. the absorption piece drives the slider to move up and down together, and when the absorption piece moves downwards, the conductive elastic sheet on the plate is contacted with the conductive elastic sheet in the groove, and the controller sends out signals to the horizontal driving piece and the rotary driving piece, and the rotary driving piece drives the absorption piece to rotate so as to throw out dust on the absorption piece.

2. Because the rectangular groove and the rectangular sliding block are rectangular, the rotary driving piece can move up and down along with the absorption piece, and the condition of autorotation can not occur.

3. The circuit is connected and disconnected through the displacement of the sliding plate, so that the controller sends out a signal.

Further, the inner shell of the absorption part is cylindrical, and a plurality of air holes are formed in the end part and the side surface of the inner shell; the exhaust pipe is vertically and rotatably connected with a wind shield, and the wind shield rotates along the horizontal direction when air flows; the upper end of a sliding groove in one side wall of the vertical channel is communicated with an air inlet of the dust exhaust fan, a negative pressure hole communicated with the vertical channel is formed in the side surface of the sliding groove, and when the conductive elastic sheet on the plate is contacted with the conductive elastic sheet in the groove, the side sliding groove, the negative pressure hole and the air hole are communicated; the other chute is arranged in the side wall at one side far away from the dust exhaust fan, the other chute is communicated with one side of the wind shield at one side far away from the dust exhaust fan, a first positive pressure hole communicated with the vertical channel is arranged on the side surface of the chute, the position of the first positive pressure hole is Yu Fuya holes, a second positive pressure hole is arranged on the sliding plate, and the air hole, the first positive pressure hole, the second positive pressure hole and one side of the wind shield at one side far away from the dust exhaust fan can be simultaneously communicated;

the side wall of the vertical channel is internally provided with a transmission mechanism, the transmission mechanism comprises a rack, a gear, a transmission shaft, a cam and a push rod which are vertically arranged, the rack is connected with a sliding plate of a chute in the side wall far away from one side of the dust exhaust fan, the rack is meshed with the gear, a ratchet groove is formed in the gear, a ratchet wheel and a guide part are arranged in the ratchet groove, the ratchet wheel and the gear are coaxial, the guide part is radially arranged between the ratchet wheel and the side wall of the ratchet groove, a guide groove is formed in the guide part, a guide strip is arranged in the guide groove in a sliding manner, one end of the guide strip, which is close to the ratchet wheel, is wedge-shaped and can be contacted with gear teeth of the ratchet wheel, a reset spring is arranged between the other end of the guide strip and the guide part, the gear is rotationally connected to the transmission shaft, and the ratchet wheel and the cam are coaxially fixed on the rotation shaft; when the rack moves downwards, the rack drives the gear to rotate, and the guide bar slides on the tooth back of the ratchet wheel; when the rack moves upwards, the rack drives the gear to rotate, the guide bar is inserted into the tooth slot of the ratchet wheel to drive the ratchet wheel, the transmission shaft and the cam to rotate together, the cam drives the ejector rod to move up and down, the upper end of the ejector rod can enter the exhaust pipe and stop the wind shield to rotate, and the wind shield stops rotating to seal the exhaust pipe. So set up, there is the following effect:

1. when the weight of the absorbing part reaches a design value, the sliding groove, the negative pressure hole and the air hole at the end part of the inner shell are communicated, the dust exhaust fan is directly communicated with the inner shell of the absorbing part, the sponge is absorbed through the air hole at the side surface of the inner shell, the sponge is thinned, dust is reversely extruded out, the dust is exposed on the surface of the sponge instead of being hidden in the sunken part of the sponge, then the absorbing part is driven to rotate, and the dust on the surface of the sponge falls off through friction with the friction plate.

2. The dust on sponge surface drops on one side, lift spring upwards promotes the slide, the negative pressure hole is plugged up to the slide of one side, the gas pocket of inner shell side, the second positive pressure hole intercommunication on the slide of first positive pressure hole and opposite side, simultaneously the slide drives the rack and upwards moves, thereby drive ratchet and cam rotation, the cam drives the ejector pin and upwards moves, and then stop the deep bead and rotate, the shutoff exhaust pipe behind the deep bead stopping rotating, finally make the gaseous in the exhaust pipe get into dust exhaust fan through second positive pressure in proper order, first positive pressure hole, inner shell and vertical passageway, outwards blow out the dust on sponge surface, then, the weight of absorbing member continues to descend, first positive pressure hole and second positive pressure hole are not in the intercommunication, the cam drives the ejector pin and moves down, gaseous stop flows from the inner shell.

Further, the lower end of the vertical channel is provided with a V-shaped conveying belt. So set up, make the dust carry out horizontal displacement through the conveyer belt, and then send the dust to the place of special handling dust.

Drawings

FIG. 1 is an overall three-dimensional isometric view of an embodiment;

FIG. 2 is a cross-sectional view of the dust removing mechanism of the embodiment in a natural state;

FIG. 3 is a cross-sectional view of the dust removing mechanism of the embodiment when the weight of the suction member reaches a design value;

FIG. 4 is a cross-sectional view of the dust removing mechanism of the embodiment when the first positive pressure port and the second positive pressure port are in communication;

FIG. 5 is a three-dimensional isometric view of the left side wall of the vertical channel of an embodiment;

FIG. 6 is a left side view of an absorbent member of an embodiment;

FIG. 7 is a front view of the inner shell of the absorbent member of the embodiment;

FIG. 8 is a three-dimensional isometric view of a transmission of an embodiment;

FIG. 9 is an overall cross-sectional view of an embodiment;

FIG. 10 is a schematic view of the transmission and wind deflector of the embodiment;

fig. 11 is a schematic view of a friction unit and an absorbent member of an embodiment.

Detailed Description

The following is a further detailed description of the embodiments:

reference numerals in the drawings of the specification include: the exhaust duct 1, the dust exhaust fan 110, the sprinkler head 120, the dust collection bag 130, the grid plate 140, the wind shield 150, the vertical rotation shaft 151, the dust exhaust part 2, the vertical passage 210, the left side wall 211, the right side wall 212, the front side wall 213, the rear side wall 214, the chute 221, the slide hole 222, the rectangular slot 231, the rectangular slider 232, the rotation driving piece 233, the negative pressure hole 241, the first positive pressure hole 242, the second positive pressure hole 243, the connection pipe 244, the dust screen 245, the friction plate 251, the horizontal driving piece 252, the protrusion 253, the slide plate 261, the on-plate conductive spring 262, the in-slot conductive spring 263, the lifting spring 264, the partition wall 3, the conveyor belt 4, the adsorbing piece 510, the sponge 511, the inner shell 512, the square hole 513, the round hole 514, the horizontal rotation shaft 515, the support plate 520, the rack 610, the gear 620, the ratchet slot 621, the ratchet 622, the guide part 623, the guide slot 624, the guide bar 625, the return spring 626, the cam 630, the ejector pin 640, and the transmission shaft 650.

Examples

The embodiment is substantially as shown in fig. 1-11: the mixed sand dust settling equipment comprises a dust discharging part 2 and an exhaust pipe 1 which is horizontally arranged, wherein the exhaust pipe 1 is a circular pipe, the right end of the exhaust pipe 1 is pre-buried on a partition wall 3 of a mixed sand production workshop, the left end of the exhaust pipe 1 is connected with a dust discharging fan 110 through a bolt, and the left end of the exhaust pipe 1 is the air inlet position of the dust discharging fan 110; the dust exhaust part 2 is a rectangular pipe, a rectangular vertical channel 210 is arranged in the dust exhaust part 2, the lower side of the left end of the exhaust pipe 1 is communicated with the upper end of the vertical channel 210, a V-shaped conveyor belt 4 is arranged at the lower end of the vertical channel 210, and the section of the conveyor belt 4 in the figure is indicated by using the V-shaped conveyor belt 4.

As shown in fig. 9, the internal structure of the exhaust duct 1 is mainly shown, the specific structure of the dust exhaust part 2 is not shown, the dust settling mechanism is arranged at the air inlet of the dust exhaust fan 110, the dust settling mechanism comprises a sprinkler unit and a dust prevention unit, the sprinkler unit comprises a plurality of sprinkler nozzles 120, the sprinkler nozzles 120 are welded on the upper surface of the inner wall of the exhaust duct 1, the dust prevention unit comprises a dust removal cloth bag 130 and a grid plate 140 vertically arranged, the grid plate 140 is connected with the air inlet of the dust exhaust fan 110 through bolts, the dust removal cloth bag 130 is hung on the right side of the grid plate 140, and the air and dust flow direction in the exhaust duct 1 is from right to left, so the grid plate 140 provides support for the dust removal cloth bag 130 in the air flow direction. The right side of the dust fall mechanism is vertically provided with a wind shield 150, the wind shield 150 is a disc in clearance fit with the inner section of the exhaust pipe 1, the upper end and the lower end of the wind shield 150 are respectively welded with a vertical rotating shaft 151, the vertical rotating shafts 151 are inserted into the inner wall of the exhaust pipe 1 and are rotationally connected with the inner wall of the exhaust pipe 1, and the wind shield 150 rotates around the vertical rotating shafts 151 in the horizontal direction when air flows.

The vertical channel 210 is rectangular in cross section, as shown in fig. 2, the left side wall of the vertical channel 210 is a left side wall 211, the right side wall is a right side wall 212, and similarly, the front side wall 213 and the rear side wall 214 are respectively provided on the front side and the rear side (not shown in fig. 2); the left side wall 211 and the right side wall 212 are respectively provided with a wall groove unit, as shown in fig. 5, the wall groove units comprise a sliding groove 221, a sliding hole 222 and a rectangular groove 231, the sliding groove 221 is vertically arranged in the side wall, the sliding groove 221 is communicated with the vertical channel 210 through the horizontally arranged rectangular sliding hole 222, as shown in fig. 2-4, a rectangular sliding block 232 is slidably arranged in the rectangular groove 231, the rectangular groove 231 can limit the rectangular sliding block 232 to rotate, a rotary driving piece 233 is arranged in the rectangular sliding block 232, and the rotary driving piece 233 is a servo motor.

The vertical channel 210 is internally provided with a dust discharging mechanism, the dust discharging mechanism is arranged below the dust settling mechanism, the dust discharging mechanism comprises an absorbing part 510, a supporting plate 520, a gravity sensing unit and a friction unit, the absorbing part 510 is arranged on the supporting plate 520, the supporting plate 520 is of a grid structure, as shown in fig. 7, the absorbing part 510 comprises a sponge 511 and an inner shell 512, the inner shell 512 is a rigid strip-shaped rectangular shell, the inner shell 512 is provided with a plurality of air holes, each air hole comprises a square hole 513 and a round hole 514, the square holes 513 are formed at the end part of the inner shell 512, as shown in fig. 6, the round holes 514 are formed in the side surface of the inner shell 512, the sponge 511 is wrapped outside the side surface of the inner shell 512, the left end and the right end of the inner shell 512 are respectively welded with a horizontal rotating shaft 515, and the horizontal rotating shaft 515 penetrates through the rectangular sliding block 232 and the output shaft of the rotary driving part 233 to be connected in a key mode.

The gravity sensing unit comprises a controller and a sliding plate 261, the controller is arranged in the side wall of the vertical channel 210, as shown in fig. 2, the sliding plate 261 is vertically and slidingly connected in the sliding groove 221, and the left end and the right end of the supporting plate 520 respectively pass through the sliding hole 222 and the sliding plate 261 to be connected; a plurality of lifting springs 264 are vertically arranged between the lower end of the sliding plate 261 and the sliding groove 221, two on-board conductive elastic sheets 262 which are electrically connected with each other are respectively adhered to the left side and the right side of the sliding plate 261, and two in-groove conductive elastic sheets 263 which are connected with a controller are respectively adhered to the left side and the right side of the sliding groove 221.

As shown in fig. 11, the friction unit includes two friction components symmetrically disposed on the upper and lower sides of the adsorption member 510, the two friction components are respectively disposed on the front sidewall 213 and the rear sidewall 214 of the vertical channel 210, the friction components include a friction plate 251 and a horizontal driving member 252, the horizontal driving member 252 is an air cylinder, an output shaft of the horizontal driving member 252 is vertically welded with the friction plate 251, the horizontal driving member 252 can drive the friction plate 251 to approach the adsorption member 510, and a plurality of hemispherical protrusions 253 are integrally formed on the friction plate 251.

As the dust on the suction member 510 increases, the weight on the suction member 510 increases, the sliding plate 261 is driven to descend, when the weight on the supporting plate 520 reaches a design value, the conductive spring 262 on the plate contacts with the conductive spring 263 in the groove, the controller sends a signal to the horizontal driving member 252 and the rotary driving member 233, the horizontal driving member 252 drives the friction plate 251 to approach and contact the suction member 510, the rotary driving member 233 drives the suction member 510 to rotate, and the dust is thrown out in the friction process of the suction member 510 and the friction unit.

As shown in fig. 2 and 5, the wall tank unit of the left side wall 211 further includes a negative pressure hole 241, the negative pressure hole 241 is disposed at the right side of the side sliding tank 221 and is communicated with the vertical channel 210, the upper end of the sliding chute 221 of the left side wall 211 is communicated with the air inlet of the dust exhaust fan 110 (not shown in the figure), and as shown in fig. 3, when the weight on the adsorption member 510 reaches the design value, the sliding chute 221, the negative pressure hole 241, the inside of the inner casing 512 of the adsorption member 510 and the vertical channel 210 are communicated; the wall tank unit of the right side wall 212 further includes a connection pipe 244, a first positive pressure hole 242 and a second positive pressure hole 243, the first positive pressure hole 242 is disposed on the left side wall of the chute 221 and is communicated with the vertical channel 210, the second positive pressure hole 243 is a horizontal through hole disposed on the side sliding plate 261, the cross-sectional area of the second positive pressure hole 243 is larger than that of the first positive pressure hole 242, the chute 221 on the side is communicated with the right side of the wind deflector 150 in the dust suction pipe through the connection pipe 244, as shown in fig. 9, a dust screen 245 is disposed on the upper end of the connection pipe 244, and dust is prevented from entering the connection pipe 244, as shown in fig. 4, the right side of the wind deflector 150, the connection pipe 244, the second positive pressure hole 243, the first positive pressure hole 242 and the inner casing 512 of the adsorbing member 510 can be simultaneously communicated. The first positive pressure hole 242 is located at a height Yu Fuya hole 241, and rubber strips are arranged between the suction member 510 and the side wall of the vertical channel 210 to seal gas (not shown) near the positions of the negative pressure hole 241 and the first positive pressure hole 242.

Two transmission mechanisms are arranged in the side wall of the vertical channel 210, as shown in fig. 8 and 10, each transmission mechanism comprises a rack 610, a gear 620, a transmission shaft 650, a cam 630 and a push rod 640 which are vertically arranged, the upper ends of sliding plates 261 of sliding grooves 221 in the racks 610 and the right side wall 212 are welded, the racks 610 and the push rods 640 are vertically and slidably arranged in the right side wall 212, the transmission shafts 650 are rotatably arranged in the right side wall 212, the right side wall 212 is grooved at the corresponding position of the corresponding transmission mechanism, and the grooving mode is a conventional means and is not repeated. The rack 610 is meshed with the gear 620, a ratchet groove 621 is formed in the gear 620, a ratchet 622 and a guide portion 623 are arranged in the ratchet groove 621, the ratchet 622 and the gear 620 are coaxial, the guide portion 623 and the gear 620 are integrally formed, the guide portion 623 is radially arranged between the ratchet 622 and the circumferential side wall of the ratchet groove 621, a guide groove 624 is formed in the guide portion 623, a guide bar 625 is slidably connected in the guide groove 624, one end of the guide bar 625, which is close to the ratchet 622, is wedge-shaped and can be in contact with gear teeth of the ratchet 622, a reset spring 626 is arranged between the other end of the guide bar 625 and the guide portion 623, the gear 620 is rotatably connected to a transmission shaft 650, and the ratchet 622 and the cam 630 are coaxially welded on a rotating shaft; when the rack 610 moves downward, the rack 610 drives the gear 620 to rotate, and the guide bar 625 slides on the back of the ratchet 622; when the rack 610 moves upwards, the rack 610 drives the gear 620 to rotate, the guide bar 625 is inserted into the tooth slot of the ratchet 622 to drive the ratchet 622, the transmission shaft 650 and the cam 630 to rotate together, the cam 630 drives the ejector rod 640 to move up and down, the upper end of the ejector rod 640 can enter the exhaust duct 1 and block the rotation of the wind shield 150, and the wind shield 150 stops rotating to block the exhaust duct 1, specifically, as shown in fig. 10, the ejector rods 640 of the two transmission mechanisms are respectively blocked at two sides of the wind shield 150.

The transmission mechanism has more parts and requires a certain power during operation, so when the weight of the absorbing part 510 is reduced to a certain degree, the elasticity of the spring is enough to provide enough power for the transmission mechanism; otherwise, the transmission mechanism cannot operate, then, as new dust falls on the absorption member 510, the absorption member 510 and the sliding plate 261 descend again to trigger the horizontal driving member 252 and the rotary driving member 233, the residual stubborn dust on the absorption member 510 is thrown out again, and the sliding plate 261 ascends again to drive the transmission mechanism to operate; the fact that the stubborn dust on the absorbing member 510 cannot be dried is only an accidental event, because particles in the dust are trapped on the surface of the absorbing member 510 and are difficult to be thrown out, the problem that the stubborn dust is not thrown cleanly can be solved only by increasing the rotation times; after avoiding intractable dust to remain on the absorbing member 510 for a long time, new dust covers intractable dust, and intractable dust is difficult to be thrown away more, and in this scheme, when there is intractable dust on the absorbing member 510, absorbing member 510 stops in time to rise, and accumulative new dust is less on the intractable dust, throws away intractable dust more easily.

The using method of the mixed sand dust settling device comprises the following steps:

1. in the initial state, as shown in fig. 2, the dust exhaust fan 110 sucks dust into the exhaust duct 1, the sprinkling unit makes the dust and the water mist drop downwards by sprinkling, the dust drops on the absorbing member 510, and the gravity of the absorbing member 510 after absorbing the dust increases;

2. as shown in fig. 3, when the weight of the absorbing member 510 reaches a set value, the conductive spring 262 on the plate is in contact with the conductive spring 263 in the groove, the controller sends signals to the horizontal driving member 252 and the rotary driving member 233, the horizontal driving member 252 drives the friction plate 251 to approach and contact the absorbing member 510, the rotary driving member 233 drives the absorbing member 510 to rotate, and dust is thrown out in the friction process of the absorbing member 510 and the friction unit; meanwhile, the air inlet of the dust removing fan, the sliding groove 221 of the left side wall 211, the negative pressure hole 241 and the inner shell 512 of the adsorbing member 510 are communicated, negative pressure is generated in the adsorbing member 510, and the sponge 511 on the surface of the adsorbing member 510 is adsorbed;

3. as the dust is thrown out, the weight of the adsorbing member 510 is reduced, the sliding plate 261 moves upwards, however, as the driving mechanism needs to be driven to operate in the process of moving the sliding plate 261 upwards, the speed of the sliding plate 261 is reduced in the process of moving the sliding plate 261 upwards, the sliding plate 261 blocks the negative pressure hole 241, the negative pressure in the adsorbing member 510 disappears, the adsorbing member 510 continues to rotate, after 10 seconds, the controller controls the horizontal driving member 252 to drive the friction plate 251 to be far away from the adsorbing member 510, and the controller controls the rotary driving member 233 to stop;

4. as shown in fig. 4, as the dust is thrown out, the weight of the adsorbing member 510 continues to be reduced, the right side of the wind guard 150, the connecting pipe 244, the second positive pressure hole 243, the first positive pressure hole 242 and the inner casing 512 of the adsorbing member 510 are communicated, and positive pressure is formed in the inner casing 512, so that the residual dust on the surface of the adsorbing member 510 is blown out by the positive pressure.

5. The suction member 510 returns to the original position, and the dust is collected and falls onto the conveyor belt 4, and the conveyor belt 4 transports the dust away for centralized treatment.

The foregoing is merely exemplary of the present invention, and specific technical solutions and/or features that are well known in the art have not been described in detail herein. It should be noted that, for those skilled in the art, several variations and modifications can be made without departing from the technical solution of the present invention, and these should also be regarded as the protection scope of the present invention, which does not affect the effect of the implementation of the present invention and the practical applicability of the patent. The protection scope of the present application shall be subject to the content of the claims, and the description of the specific embodiments and the like in the specification can be used for explaining the content of the claims.

Claims

1. Mix sand dust fall equipment, its characterized in that: including the exhaust pipe, the exhaust pipe tip is equipped with the dust exhaust fan, the air intake position of dust exhaust fan is equipped with dust fall mechanism, dust fall mechanism includes dust removal sack and the watering unit of dust removal sack top, dust fall mechanism below is equipped with dust exhaust portion, be equipped with vertical passageway in the dust exhaust portion, vertical passageway and exhaust pipe intercommunication, be equipped with dust exhaust mechanism in the vertical passageway, dust exhaust mechanism sets up in dust fall mechanism below, dust exhaust mechanism includes the suction attachment, a supporting plate, gravity sensing unit and friction unit, the suction attachment side is equipped with rotary driving spare, the suction attachment sets up in the backup pad, be equipped with in the backup pad and supply the liquid to flow through the space, the gravity after the suction attachment adsorbs the dust increases, trigger gravity sensing unit when suction attachment weight reaches the setting, gravity sensing unit gives the friction unit with signal transmission, friction unit is close to and contacts the suction attachment, rotary driving spare drives suction attachment rotatory, suction attachment and friction unit are thrown away with the dust in-process.

2. The mixed sand dust settling device of claim 1, wherein: the dust fall mechanism further comprises a grid plate which is vertically arranged, and the grid plate provides support for the dust removal cloth bag in the air flow direction.

3. The mixed sand dust settling device of claim 2, wherein: the adsorption piece comprises a sponge and an inner shell, wherein the inner shell is a rigid strip-shaped shell, and the sponge is wrapped outside the inner shell.

4. A mixed sand dust settling device as claimed in claim 3, wherein: the friction unit comprises two friction components symmetrically arranged on two sides of the adsorption piece, the friction components comprise friction plates and a horizontal driving piece, the horizontal driving piece can drive the friction plates to be close to the adsorption piece, and a plurality of protrusions are arranged on the friction plates.

5. The mixed sand dust settling device of claim 4, wherein: the inner side of the side wall of the vertical channel is vertically provided with a rectangular groove, a rectangular sliding block is connected in the rectangular groove in a sliding way, a rotary driving piece is arranged in the rectangular sliding block, two ends of an adsorption piece are respectively provided with a horizontal rotating shaft, the horizontal rotating shafts penetrate into the rectangular sliding block and are rotationally connected with the rectangular sliding block, and the end parts of the horizontal rotating shafts are connected with an output shaft key of the rotary driving piece;

6. The mixed sand dust settling device of claim 5, wherein: the inner shell of the absorption part is cylindrical, and a plurality of air holes are formed in the end part and the side surface of the inner shell; the exhaust pipe is vertically and rotatably connected with a wind shield, and the wind shield rotates along the horizontal direction when air flows; the upper end of a sliding groove in one side wall of the vertical channel is communicated with an air inlet of the dust exhaust fan, a negative pressure hole communicated with the vertical channel is formed in the side surface of the sliding groove, and when the conductive elastic sheet on the plate is contacted with the conductive elastic sheet in the groove, the side sliding groove, the negative pressure hole and the air hole are communicated; the other chute is arranged in the side wall at one side far away from the dust exhaust fan, the other chute is communicated with one side of the wind shield at one side far away from the dust exhaust fan, a first positive pressure hole communicated with the vertical channel is arranged on the side surface of the chute, the position of the first positive pressure hole is Yu Fuya holes, a second positive pressure hole is arranged on the sliding plate, and the air hole, the first positive pressure hole, the second positive pressure hole and one side of the wind shield at one side far away from the dust exhaust fan can be simultaneously communicated;

the side wall of the vertical channel is internally provided with a transmission mechanism, the transmission mechanism comprises a rack, a gear, a transmission shaft, a cam and a push rod which are vertically arranged, the rack is connected with a sliding plate of a chute in the side wall far away from one side of the dust exhaust fan, the rack is meshed with the gear, a ratchet groove is formed in the gear, a ratchet wheel and a guide part are arranged in the ratchet groove, the ratchet wheel and the gear are coaxial, the guide part is radially arranged between the ratchet wheel and the side wall of the ratchet groove, a guide groove is formed in the guide part, a guide strip is arranged in the guide groove in a sliding manner, one end of the guide strip, which is close to the ratchet wheel, is wedge-shaped and can be contacted with gear teeth of the ratchet wheel, a reset spring is arranged between the other end of the guide strip and the guide part, the gear is rotationally connected to the transmission shaft, and the ratchet wheel and the cam are coaxially fixed on the rotation shaft; when the rack moves downwards, the rack drives the gear to rotate, and the guide bar slides on the tooth back of the ratchet wheel; when the rack moves upwards, the rack drives the gear to rotate, the guide bar is inserted into the tooth slot of the ratchet wheel to drive the ratchet wheel, the transmission shaft and the cam to rotate together, the cam drives the ejector rod to move up and down, the upper end of the ejector rod can enter the exhaust pipe and stop the wind shield to rotate, and the wind shield stops rotating to seal the exhaust pipe.

7. The mixed sand dust settling device of claim 6, wherein: the lower end of the vertical channel is provided with a V-shaped conveyor belt.