CN209953265U

CN209953265U - Construction waste recycled aggregate vibration winnowing equipment

Info

Publication number: CN209953265U
Application number: CN201920501110.4U
Authority: CN
Inventors: 高军
Original assignee: Xi'an Haitian Building Materials Co Ltd
Current assignee: Xi'an Haitian Building Materials Co Ltd
Priority date: 2019-04-12
Filing date: 2019-04-12
Publication date: 2020-01-17
Anticipated expiration: 2029-04-12

Abstract

The utility model provides a building rubbish recycled aggregate vibration winnowing equipment relates to the technical field that building rubbish was retrieved, aims at solving the problem that current winnowing equipment is not high to recycled aggregate's recovery sorting accuracy nature. It is including screening unit, the vibration unit, air-blast unit and collection unit, the below of screening unit is located to the vibration unit, the both sides of screening unit are located with the collection unit branch to the air-blast unit, the screening unit is including screening case and locate the multilayer screening board of screening incasement, screening board below is equipped with connects the flitch, be equipped with a supporting bench on the perisporium of screening case, screening board and connect the flitch and all set up on a supporting bench, sieve mesh on the screening board reduces to down gradually from last, the supply-air outlet of air-blast unit communicates to each layer of screening board and connects the top of flitch one side, the screening case is close to collection unit one side and is provided with the discharge gate corresponding to the screening board and connects the flitch top, screening. The utility model discloses have control convenience, the efficient beneficial effect of selection by winnowing.

Description

Construction waste recycled aggregate vibration winnowing equipment

Technical Field

The utility model belongs to the technical field of the technique that building rubbish was retrieved and specifically relates to a building rubbish recycled aggregate vibration winnowing equipment is related to.

Background

Construction waste is solid waste generated during the process of building construction, reconstruction, extension or demolition. The aggregate is a granular material which plays a role in skeleton and filling in concrete and mortar, a large amount of recycled aggregate is contained in the construction waste, and the recycled aggregate can be recycled after being sorted. Therefore, research and development are provided as problems to be solved aiming at professional sorting of recycled aggregates in construction waste.

In order to solve the problems, the invention with the publication number of CN108043725A discloses a construction waste recycled aggregate vibration winnowing device, which comprises a supporting device, a vibration damping device, a vibration unit, a main machine box body and a sorting device, wherein the main machine box body is arranged on the supporting device through the vibration damping device, the vibration unit is arranged on the main machine box body, the lower part of the main machine box body is an air box, the upper part of the air box is in a step shape from a feeding end to a discharging end of the main machine box body, a wear-resisting plate is arranged on the step on the air box, the edge of the wear-resisting plate is connected with an adjusting plate, the width of the adjusting plate exceeds the edge of the step, a row of air outlets are arranged on the wall of the air box below the adjusting plate, and the discharging end.

When the mixed material to be sorted falls onto the stepped air box from the feeding hole, an evenly distributed and dispersed state is formed under the vibration action of the vibrator, the mixed material gradually slides to the next step, the mixed material is further loosened and separated under the action of the wind force of the air outlet below each step and is blown into the separated material collecting unit, and the separated material with an undefined motion track is sorted by the sorting roller in a secondary power-assisted manner, so that the granularity of material separation is more accurate.

The device can effectively realize the sorting of the recycled aggregate in the construction waste, but the recycled aggregate sorted by the device has the phenomenon that the light aggregate with larger volume is mixed in the heavy collection bin, and the recycled aggregate with smaller volume in the heavy aggregate is mixed in the light collection bin, so that the accuracy of the recycling winnowing is not high.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a building rubbish recycled aggregate vibration winnowing equipment, it has the convenient, the efficient beneficial effect of selection by winnowing of control.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

a construction waste recycled aggregate vibration winnowing device comprises a screening unit, a vibration unit, a blowing unit and a collecting unit, wherein the vibration unit is arranged below the screening unit, the blowing unit and the collecting unit are respectively arranged at two sides of the screening unit, the screening unit comprises a screening box and a plurality of layers of screening plates arranged in the screening box, a material receiving plate is arranged below the screening plates, a supporting table is arranged on the peripheral wall of the screening box, the screening plates and the material receiving plate are respectively erected on the supporting table, sieve holes in the screening plates are gradually reduced from top to bottom, an air supply outlet of the blowing unit is communicated to the upper side of one side of each layer of the screening plates and the material receiving plate, a discharge outlet is formed in one side of the screening box, close to the collecting unit, corresponding to the upper side of the screening plates and the material receiving plate, and a feed inlet is formed in the upper side of the screening box; the vibrating unit comprises a motor and a cam, the motor is arranged on the bottom wall of the screening box, the cam is connected to an output shaft of the motor, the distance from the output shaft of the motor to the bottom surface of the material receiving plate is smaller than the maximum radius of the cam and larger than the minimum radius of the cam, a plurality of ejector rods are arranged on the upper end surface of the material receiving plate corresponding to each layer of screening plate, the lower ends of the ejector rods are fixedly connected to the material receiving plate, and the upper ends of the ejector rods are respectively arranged on the lower end surface of each layer of screening plate in a propping mode.

By adopting the technical scheme, personnel pour the mixed recycled aggregate into the screening box from the feeding hole, start the motor in the vibration unit, drive the cam to rotate when the motor rotates, intermittently jack the material receiving plate during the rotation process of the cam, and drive the jacking rod to intermittently jack upwards by the lifting of the material receiving plate, so that each layer of screening plate is pushed to vibrate; the recycled aggregate on the screening plate is screened layer by layer through vibration, the effect of uniform screening is realized, the recycled aggregate with larger volume is left on the screening plate on the upper layer, the recycled aggregate with smaller volume falls on the screening plate on the lower layer, the recycled aggregate with the smallest volume falls on the material receiving plate on the lowest layer, then the air blowing unit is started, air is blown into the screening box through the air blowing unit, and therefore the recycled aggregate on the corresponding layer is blown out from the discharge port, and the recycled aggregate falling in the collecting unit is screened and collected. The device screens the recycled aggregate according to the volume before air separation, so that the weight of the recycled aggregate on the same layer is only influenced by the density of each recycled aggregate, and in the air separation process, the heavy aggregate and the light aggregate on the corresponding layer can fall separately by reasonably controlling the wind power on each layer of the screening plate or the material receiving plate, so that the phenomenon that the recycled aggregate after air separation has large-volume light aggregate mixed in a heavy aggregate collecting bin and small-volume recycled aggregate in the heavy aggregate mixed in a light aggregate collecting bin is avoided, the control is convenient, and the air separation efficiency is high.

The utility model discloses further set up to: the air blowing unit comprises a fan, an air storage pipe connected to an air outlet of the fan, and a plurality of air supply pipes connected to the air storage pipe, wherein one end of each air supply pipe is connected to the corresponding air storage pipe, and the other end of each air supply pipe is connected to the upper portion of the screening plate or the upper portion of the material receiving plate.

By adopting the technical scheme, the air blown out by the fan firstly enters the air storage pipe and then enters the air supply pipes from the air storage pipe, so that the raw aggregate can be winnowed above the screening plates and the material receiving plates on all layers. The utility model has the advantages of the same fan of this structure blast air and all ventilate in can making each blast pipe, the cost is lower.

The utility model discloses further set up to: the collecting unit comprises a heavy material collecting bin close to the screening unit, a light material collecting bin far away from the screening unit, and a separating roller arranged between the heavy material collecting bin and the light material collecting bin, a support is arranged below the separating roller, two ends of the separating roller are rotatably connected onto the support, a rotating motor is fixedly connected onto the support, an output shaft of the rotating motor is coaxially connected with the separating roller, the upper end of the separating roller is rotated to the light material collecting bin, and the lower end of the separating roller is rotated out of the light material collecting bin.

By adopting the technical scheme, according to the rule of horizontal throwing motion, heavy aggregate on the same layer is horizontally thrown out in a short distance and falls into the heavy aggregate collecting bin, light aggregate is horizontally thrown out in a long distance and falls into the light aggregate collecting bin, when the heavy aggregate collides with the separating roller, the heavy aggregate is subjected to a large reaction force and rebounds back to the heavy aggregate collecting bin, and when the light aggregate collides with the separating roller, the light aggregate is subjected to a small reaction force, so that the part of regenerated aggregate is attached to the separating roller and is brought into the light aggregate collecting bin along with the rotation of the separating roller. This setting can be separately collected light aggregate and heavy aggregate to carry out accurate screening to falling into the regeneration aggregate between light material collection storehouse and the heavy material collection storehouse, the selection by winnowing effect is better.

The utility model discloses further set up to: the periphery of the separation roller is provided with separation edges which are parallel to the axial direction of the separation roller.

Through adopting above-mentioned technical scheme, separate the arris and can restrict dropping of lightweight aggregate, avoided the lightweight aggregate to fall in the heavy burden collecting bin under the effect of gravity.

The utility model discloses further set up to: the screening plate is characterized in that a plurality of elastic pieces are arranged on the supporting table below the screening plate, one end of each elastic piece is connected to the supporting table, and the other end of each elastic piece is connected to the screening plate.

Through adopting above-mentioned technical scheme, when ejector pin top pushing screening board up-and-down motion, the elastic component can reduce the range of screening board vibration to increase the frequency of its vibration, make the vibration screening effect better.

The utility model discloses further set up to: the diameter of storing up the tuber pipe is greater than the diameter of blast pipe, the blast pipe is close to the one end of screening case is connected with the air supply cover, the opening of air supply cover inserts on the lateral wall of screening case, and open area grow one by one from the top down, the opening of air supply cover is the platykurtic, and its length direction is on a parallel with screening board or connect the flitch.

Through adopting above-mentioned technical scheme, the diameter of blast pipe is less than the diameter of air-out pipe and makes the wind speed in the blast pipe great, the wind in the air storage pipe is sent out from the air supply cover after accelerating in the blast pipe, the setting that the export from the top down of three air supply covers increases one by one makes the wind speed grow gradually from the top down of screening board and material receiving plate top, thereby more be favorable to blowing out the great regeneration aggregate of upper strata volume, the wind in the air storage pipe is sent out from the air supply cover after accelerating in the blast pipe, the air supply cover of platykurtic makes whole screening board or material receiving plate top can both be blown by wind, thereby avoid the regeneration aggregate of the edge of screening board or material receiving plate can't be blown out the discharge gate and be detained the phenomenon in the screening case.

The utility model discloses further set up to: still include the dust cover, the dust cover is located the outside of collection unit, it has the door body to articulate on the dust cover.

Through adopting above-mentioned technical scheme, personnel can close the door body after having added the material, and the dust cover will sieve the unit and locate inside with the collection unit cover, prevent to produce great raise dust at the selection by winnowing in-process, and personnel can treat after the selection by winnowing, open the door body after the dust in the dust cover descends, collect the regeneration aggregate in the collection unit. This arrangement reduces the pollution of the dust to the external environment and the harm to the health of the personnel.

To sum up, the utility model discloses a beneficial technological effect does:

1. through the matching operation of the screening unit, the vibration unit, the blowing unit and the collection unit, and the screening is firstly carried out before air separation, so that the light aggregate and the heavy aggregate at the air separation position are distinguished more clearly, and the effects of convenient control and high air separation efficiency are achieved;

2. through set up the dust cover in collection unit outside, avoided the raise dust environmental pollution that the selection by winnowing in-process produced and endangered health, equipment environmental protection more.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic view of the overall structure of fig. 1 with the operating door and the door body removed.

Fig. 3 is a schematic structural view of a portion a in fig. 2.

In the figure, 1, a screening unit; 11. screening the box; 12. a feed inlet; 13. a discharge port; 14. an operating door; 15. a screening plate; 16. an elastic member; 17. a support table; 18. a material receiving plate; 2. a vibration unit; 21. a motor; 22. a cam; 23. pushing the push rod; 3. a blower unit; 31. a fan; 32. an air storage pipe; 33. an air supply pipe; 34. an air supply cover; 4. a collection unit; 41. a heavy material collection bin; 42. a light material collecting bin; 43. a support; 44. a separator roller; 45. a separating edge; 5. a dust cover; 51. a door body.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1, 2 and 3, the construction waste recycled aggregate vibration winnowing device disclosed by the present invention comprises a screening unit 1, a vibration unit 2, a blower unit 3 and a collection unit 4, wherein the vibration unit 2 is arranged below the screening unit 1, the blower unit 3 and the collection unit 4 are respectively arranged at two sides of the screening unit 1, the screening unit 1 comprises a screening box 11 and two layers of screening plates 15 arranged in the screening box 11, wherein the diameter of the screen holes on the upper layer of screening plate 15 is larger than that of the screen holes on the lower layer of screening plate 15, a receiving plate 18 is arranged below the screening plate 15, a supporting platform 17 is arranged on the circumferential wall of the screening box 11, the screening plate 15 and the receiving plate 18 are both arranged on the supporting platform 17, wherein a plurality of elastic members 16 are arranged on the supporting platform 17 below the screening plate 15, the elastic members 16 in the embodiment of the present invention are spring columns, one end of the spring column is connected to the support platform 17 and the other end is connected to the screening plate 15. The arrangement of the spring columns can further accelerate the vibration frequency of the screening plate 15, so that screening is more uniform. The air supply outlet of the air blowing unit 3 is communicated to the upper portions of one sides of the screening plates 15 and the material receiving plates 18 of all layers respectively, a discharge hole 13 is formed in one side, close to the collecting unit 4, of the screening box 11 and corresponds to the upper portions of the screening plates 15 and the material receiving plates 18, a feed inlet 12 is formed in the upper portion of the screening box 11, an operation door 14 is arranged on the side wall of one side of the screening box 11, and personnel can maintain the interior of the screening box 11 through the operation door 14.

A person pours the mixed recycled aggregate into the screening box 11 from the feeding hole 12, the vibration unit 2 is started, the vibration unit 2 drives the screening plate 15 to vibrate, so that the recycled aggregate on the screening plate 15 is screened layer by layer through vibration, the recycled aggregate with a large volume is left on the screening plate 15 on the upper layer, the recycled aggregate with a small volume falls on the screening plate 15 on the lower layer, the recycled aggregate with a minimum volume falls on the material receiving plate 18 on the lowest layer, then the air blowing unit 3 is started, air is blown into the screening box 11 through the air blowing unit 3, so that the recycled aggregate on the corresponding layer is blown out from the discharging hole 13, and the recycled aggregate falls in the collecting unit 4 to realize screening and collection of the aggregate. The device screens the recycled aggregate according to the volume before air separation, so that the weight of the recycled aggregate on the same layer is only influenced by the density of each recycled aggregate, and the heavy aggregate and the light aggregate on the corresponding layer can fall separately by reasonably controlling the wind power on each layer of the screening plate 15 or the material receiving plate 18 in the air separation process, so that the phenomenon that the light aggregate with larger volume is mixed in the heavy aggregate collecting bin 41 and the recycled aggregate with smaller volume in the heavy aggregate is mixed in the light aggregate collecting bin 42 in the sorted recycled aggregate is avoided, the control is convenient, and the air separation efficiency is high.

Referring to fig. 2, vibration unit 2 is including setting up motor 21 on screening case 11 diapire, connecting in the epaxial cam 22 of output of motor 21, the distance of motor 21 to connecing flitch 18 bottom surface is less than cam 22's maximum radius and is greater than cam 22's minimum radius, connects to be equipped with many ejector pins 23 corresponding to each layer screening board 15 on the flitch 18 up end, ejector pin 23 lower extreme fixed connection is on connecing flitch 18, and the upper end pushes up respectively and locates on the lower terminal surface of each layer screening board 15, the utility model discloses ejector pin 23 in this embodiment is provided with six altogether, and three tops are located on upper strata screening board 15, and three other tops are located on lower layer screening board 15.

When the motor 21 rotates, the cam 22 is driven to rotate, the cam 22 intermittently jacks up the material receiving plate 18 in the rotating process, and the lifting of the material receiving plate 18 drives the jacking rod 23 to intermittently jack up, so that each layer of screening plate 15 is pushed to vibrate, and the effect of uniform screening is realized.

Referring to fig. 1 and 2, the blower unit 3 includes a blower 31, an air storage pipe 32 connected to an air outlet of the blower 31, and three air supply pipes 33 connected to the air storage pipe 32, wherein the diameter of the air storage pipe 32 is greater than that of the air supply pipes 33, one end of each air supply pipe 33 is connected to the air storage pipe 32, the other end of each air supply pipe 33 is connected to an air supply hood 34, the air supply hoods 34 are respectively connected to the upper portions of the two sieving plates 15 and the upper portions of the material receiving plates 18, an opening of each air supply hood 34 is flat, the length direction of each air supply hood is parallel to the sieving plates 15 or the material receiving plates 18, and outlets of the three.

The air blown out by the fan 31 firstly enters the air storage pipe 32 and enters the air supply pipes 33 from the air storage pipe 32, so that the raw aggregates above the screening plates 15 and the receiving plates 18 at all layers are winnowed. The outlet of the three air supply covers 34 is arranged to be gradually increased from top to bottom, so that the air speed above the upper-layer screening plate 15 is large, the air supply covers 34 are more favorable for blowing out the large-volume regenerated aggregate of the upper layer, the air in the air storage pipe 32 is sent out from the air supply covers 34 after being accelerated in the air supply pipe 33, the flat air supply covers 34 enable the whole screening plate 15 or the upper side of the material receiving plate 18 to be blown by the air, and the situation that the regenerated aggregate at the edge of the screening plate 15 or the material receiving plate 18 cannot be blown out of the material outlet 13 and stays in the screening box 11 is avoided.

Referring to fig. 2, the collecting unit 4 includes a heavy material collecting bin 41 close to the sieving unit 1, a light material collecting bin 42 far from the sieving unit 1, and a separating roller 44 disposed between the heavy material collecting bin 41 and the light material collecting bin 42, a bracket 43 is disposed below the separating roller 44, two ends of the separating roller 44 are rotatably connected to the bracket 43, a rotating motor (not shown in the figure) is fixedly connected to the bracket 43, an output shaft of the rotating motor is coaxially connected to the separating roller 44, the upper end of the separating roller 44 is rotated into the light material collecting bin 42, the lower end of the separating roller is rotated out of the light material collecting bin 42, a separating edge 45 is disposed on the periphery of the separating roller 44, and the separating edge 45 is disposed in parallel to the.

According to the law of horizontal throwing motion, heavy aggregates on the same layer are blown out horizontally in a short distance and fall into the heavy aggregate collecting bin 41, light aggregates are blown out horizontally in a long distance and fall into the light aggregate collecting bin 42, the heavy aggregates have large reaction force when colliding with the separating rollers 44 and rebound back into the heavy aggregate collecting bin 41, the light aggregates have small reaction force when colliding with the separating rollers 44, and therefore the regenerated aggregates are attached to the separating rollers 44 and are brought into the light aggregate collecting bin 42 along with the rotation of the separating rollers 44, the separating ribs 45 can limit the falling of the light aggregates, and the light aggregates are prevented from falling into the heavy aggregate collecting bin 41 under the action of gravity.

Referring to fig. 1 and 2, the utility model discloses a construction waste recycled aggregate vibration winnowing device still includes dust cover 5, and dust cover 5 covers the outside of locating collection unit 4, and dust cover 5 is the arc of downwarping in the shape of collection unit 4 top, and dust cover 5 is last to articulate has a body 51.

The personnel can close the door body 51 after having added the material, and dust cover 5 will sieve unit 1 and collect unit 4 covers and locate inside, prevent to produce great raise dust at the selection by winnowing in-process, and the personnel can be after the selection by winnowing, open door body 51 after waiting the dust fall in the dust cover 5, collect the regeneration aggregate in the collection unit. This arrangement reduces the pollution of the dust to the external environment and the harm to the health of the personnel.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a building rubbish recycled aggregate vibration selection by winnowing equipment, includes screening unit (1), vibration unit (2), air-blast unit (3) and collection unit (4), vibration unit (2) are located the below of screening unit (1), air-blast unit (3) with collection unit (4) branch is located the both sides of screening unit (1), its characterized in that: the screening unit (1) comprises a screening box (11) and a plurality of layers of screening plates (15) arranged in the screening box (11), a material receiving plate (18) is arranged below the screening plates (15), a supporting table (17) is arranged on the peripheral wall of the screening box (11), the screening plates (15) and the material receiving plate (18) are both erected on the supporting table (17), screen holes in the screening plates (15) are gradually reduced from top to bottom, an air supply port of the air blowing unit (3) is communicated to the upper side of one side of each layer of the screening plates (15) and the material receiving plate (18), a discharge port (13) is arranged on one side, close to the collecting unit (4), of the screening box (11) corresponding to the upper side of the screening plates (15) and the material receiving plate (18), and a feed port (12) is arranged above the screening box (11); the vibrating unit (2) comprises a motor (21) arranged on the bottom wall of the screening box (11) and a cam (22) connected to an output shaft of the motor (21), the distance from the output shaft of the motor (21) to the bottom surface of the material receiving plate (18) is smaller than the maximum radius of the cam (22) and larger than the minimum radius of the cam (22), a plurality of ejector rods (23) are arranged on the upper end surface of the material receiving plate (18) corresponding to each layer of screening plate (15), the lower ends of the ejector rods (23) are fixedly connected to the material receiving plate (18), and the upper ends of the ejector rods are respectively arranged on the lower end surface of each layer of screening plate (15).

2. The construction waste recycled aggregate vibrating winnowing device according to claim 1, characterized in that: the air blowing unit (3) comprises a fan (31), an air storage pipe (32) connected to an air outlet of the fan (31), and a plurality of air supply pipes (33) connected to the air storage pipe (32), wherein one ends of the air supply pipes (33) are connected to the air storage pipe (32), and the other ends of the air supply pipes (33) are connected to the upper portion of the screening plate (15) or the upper portion of the material receiving plate (18).

3. The construction waste recycled aggregate vibrating winnowing device according to claim 1, characterized in that: collect unit (4) including being close to heavy material collection storehouse (41), keeping away from of screening unit (1) light material collection storehouse (42) of screening unit (1) and locating heavy material collection storehouse (41) with light material collects separation roller (44) between storehouse (42), it is equipped with support (43) to separate roller (44) below, separate roller (44) both ends rotate connect in on support (43), fixedly connected with rotates the motor on support (43), the output shaft of rotating the motor with separate roller (44) coaxial coupling, it changes over to separate roller (44) upper end it collects storehouse (42), lower extreme and rolls out to light material collection storehouse (42).

4. The construction waste recycled aggregate vibrating winnowing device according to claim 3, characterized in that: the periphery of the separating roller (44) is provided with a separating edge (45), and the separating edge (45) is parallel to the axial direction of the separating roller (44).

5. The construction waste recycled aggregate vibrating winnowing device according to claim 1, characterized in that: a plurality of elastic pieces (16) are arranged on the supporting platform (17) below the screening plate (15), one end of each elastic piece (16) is connected to the supporting platform (17), and the other end of each elastic piece (16) is connected to the screening plate (15).

6. The construction waste recycled aggregate vibrating winnowing device according to claim 2, characterized in that: the diameter of air storage pipe (32) is greater than the diameter of blast pipe (33), blast pipe (33) are close to the one end of screening case (11) is connected with air supply cover (34), the opening of air supply cover (34) inserts on the lateral wall of screening case (11), and open area grow one by one from the top down, the opening of air supply cover (34) is the platykurtic, and its length direction is on a parallel with screening board (15) or material receiving board (18).

7. The construction waste recycled aggregate vibrating winnowing device according to claim 1, characterized in that: still include dust cover (5), dust cover (5) cover is located the outside of collection unit (4), it has door body (51) to articulate on dust cover (5).