CN213500041U

CN213500041U - Recycled concrete stirring dust collector

Info

Publication number: CN213500041U
Application number: CN202022080174.7U
Authority: CN
Inventors: 侯军生; 牟炳强; 王飞; 徐文昊
Original assignee: Weihai Yuquan New Building Materials Co ltd
Current assignee: Weihai Yuquan New Building Materials Co ltd
Priority date: 2020-09-19
Filing date: 2020-09-19
Publication date: 2021-06-22
Anticipated expiration: 2030-09-19

Abstract

The application relates to a recycled concrete stirring dust removal device belongs to recycled concrete processing technology field, and it includes the churn, and the top of churn is provided with the dust excluding hood, and one side of churn is provided with the dust collection box, and the intercommunication has the dust extraction pipe between dust collection box and dust excluding hood, and the top of dust collection box is provided with the air exhauster, the inside intercommunication of air exhauster and dust collection box. This application has and reduces the raw materials powder and wafts out, improves the effect of environmental protection.

Description

Recycled concrete stirring dust collector

Technical Field

The application relates to the field of recycled concrete processing, in particular to a recycled concrete mixer.

Background

A mixer for regenerated concrete is a machine for mixing cement, aggregate of sand and stone and water to obtain mixture of regenerated concrete, and is characterized by that the raw material for supporting regenerated concrete is added into a drum, then a proper quantity of water is injected into the drum while mixing so as to obtain the regenerated concrete.

The existing Chinese patent with the reference publication number of CN108312340B discloses a recycled concrete stirring and dust removing device, and the technical scheme main points are as follows: the automatic stirring device comprises a frame, the agitator of setting in the frame, the (mixing) shaft of setting inside the agitator, the agitator motor of setting in the agitator bottom, the opening that supplies the raw materials to put into is seted up at the agitator top, (mixing) shaft one end is run through in the agitator bottom and is linked to each other with the agitator motor output shaft, the (mixing) shaft other end exposes in the opening, the (mixing) shaft is including wearing to locate the agitator and the pivot that links to each other with the agitator motor output shaft, set up at the articulated seat of pivot, articulate the telescopic link on articulated seat, the stirring leaf of setting on the telescopic link, the setting is at the epaxial driving piece of commentaries on classics, the tip that articulated seat was kept away from to the telescopic link.

In view of the above-mentioned related art, the inventors considered that when raw materials are mixed to produce recycled concrete, there is a disadvantage that a part of powder flows out from the top of the mixing drum to pollute the environment.

SUMMERY OF THE UTILITY MODEL

In order to reach and reduce the raw materials powder and fly out, improve the effect of environmental protection, this application provides a recycled concrete stirring dust collector.

The application provides a recycled concrete stirring dust collector adopts following technical scheme:

the utility model provides a recycled concrete stirring dust collector, includes the churn, and the top of churn is provided with the dust excluding hood, and one side of churn is provided with the dust collection box, and the intercommunication has the dust extraction pipe between dust collection box and dust excluding hood, and the top of dust collection box is provided with the air exhauster, and the inside intercommunication of air exhauster and dust collection box.

Through adopting above-mentioned technical scheme, when adding the raw materials in the churn, the powder that has in the partial raw materials upwards floats, and the inside of dust collection box is taken out through taking out dirt pipe and dust excluding hood to the powder that the air exhauster shell will float, and then has reduced the influence to this mixer surrounding environment, has improved the environmental protection around this mixer.

Optionally, the opening of dust excluding hood bottom equals with the opening size at churn top, and is provided with sealed the pad between churn and the dust excluding hood, sealed one side and the dust excluding hood bottom opening fixed connection of filling up, and the sealed top of filling up opposite side and churn closely laminates, is provided with a plurality of hasps that are used for fixing both between dust excluding hood and churn lateral wall.

Through adopting above-mentioned technical scheme, increased the leakproofness between dust excluding hood and the churn, reduced the powder and followed the gap department between dust excluding hood and the churn and wafted, further reduced the phenomenon that the powder wafted.

Optionally, a water injection pipe and a material guide pipe are arranged at the top of the dust hood, and the water injection pipe and the material guide pipe are communicated with the inside of the mixing drum after penetrating through the dust hood.

Through adopting above-mentioned technical scheme, need not to open the dust excluding hood, alright directly pour into raw materials and water into to the churn in process to the effectual phenomenon that has reduced the powder when annotating the material in to the churn and has wafted out takes place.

Optionally, a cleaning opening is formed in a side wall of the dust collection box close to the bottom, and a collection box is connected in the bottom of the dust collection box in a sliding manner along the direction in which the cleaning opening is formed.

Through adopting above-mentioned technical scheme, after the powder is taken out to the dust collection box in, can fall into in collecting the box, after the powder that waits to collect in the box is collected to certain storage, the staff can take out collecting the box from the inside of dust collection box to but the powder reuse of collecting not only provides convenience for the staff to the clearance of powder, has reduced the waste of raw materials simultaneously.

Optionally, a striker plate is arranged inside the dust collection box and located above the collection box, a through groove is formed in the side wall of the dust collection box, and the striker plate is connected with the inner wall of the dust collection box in a sliding mode along the opening direction of the through groove.

Through adopting above-mentioned technical scheme, when the powder clearance in the collection box, can push the striker plate to the dust-collecting box in, make striker plate and dust-collecting box form a temporary cavity in the top of collecting the box to can temporarily collect the powder, after finishing and resetting collecting the powder clearance in the box, take out the part of striker plate again, and make the powder can follow and fall into to collecting the box newly, through above structure, realized need not to shut down alright accomplish and collect the box cleaning work.

Optionally, the inner walls of the two sides of the dust collecting box are fixedly provided with a slideway along the sliding direction of the striker plate, and the two sides of the striker plate are embedded in the slideway and are in sliding connection with the slideway along the horizontal direction.

By adopting the technical scheme, the striker plate can horizontally slide in the slide way, and the stability of the striker plate during sliding is improved.

Optionally, a flexible cushion is fixedly arranged inside the cleaning opening of the dust collection box, and the flexible cushion is abutted to the surface of the striker plate.

Through adopting above-mentioned technical scheme, the flexible pad has increased the sealed effect that leads to groove department, prevents that the powder from leading to groove department and wafting out, and the effect of clearance still can be played to the striker plate surface to the flexible pad simultaneously, reduces the phenomenon of taking the powder out together when the baffle is taken out.

Optionally, a cover plate covers the top of the material guide pipe, and the cover plate is hinged to the top of the material guide pipe.

Through adopting above-mentioned technical scheme, when need not to add the raw materials in the churn, usable apron is with the lock of passage top, reduces the phenomenon that the raw materials flew out from the passage top.

In summary, the present application includes at least one of the following beneficial technical effects:

1. a dust collection box is arranged on one side of the mixing drum, and powder is sucked into the dust collection box by the exhaust fan through the dust removal cover and the dust extraction pipe so as to reduce the flying of the powder and achieve the effect of protecting the environment;

2. a lock catch and a sealing gasket are arranged between the dust hood and the mixing drum, and the dust hood and the mixing drum are fixed through the lock catch so as to reduce powder from floating out from between the dust hood and the mixing drum;

3. the baffle plate is arranged in the dust collection box, so that the cleaning work can be finished without stopping the machine when the powder in the collection box is cleaned.

Drawings

FIG. 1 is a schematic structural diagram of a recycled concrete dust-removing and mixing device of the present application;

FIG. 2 is a plan view showing a stirring device in a stirring drum;

FIG. 3 is a schematic view showing the structure of a stirring apparatus;

fig. 4 is a side view showing an inner structure of the dust box.

Description of reference numerals: 1. a mixing drum; 2. a stirring device; 21. a rotating shaft; 211. a drive motor; 22. a connecting rod; 23. a stirring rod; 24. a stirring blade; 241. a rubber pad; 3. a dust hood; 31. a gasket; 32. locking; 33. a material guide pipe; 331. a cover plate; 34. a water injection pipe; 4. a dust extraction pipe; 5. a dust collection box; 51. cleaning the opening; 52. a collection box; 53. a through groove; 531. a flexible pad; 54. a striker plate; 541. a slideway; 6. an exhaust fan; 61. filtering with a screen; 7. a discharge valve.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses recycled concrete stirring dust collector.

Referring to fig. 1 and 2, a recycled concrete mixing and dust removing device comprises a mixing drum 1 and a mixing device 2 for mixing, a dust hood 3 is arranged above the mixing drum 1, a dust collection box 5 is arranged on one side of the mixing drum 1, a dust extraction pipe 4 is connected between the dust collection box 5 and the dust hood 3, an exhaust fan 6 is arranged at the top of the dust collection box 5, and the exhaust fan 6 is communicated with the inside of the dust collection box 5. When the recycled concrete is made to the recycled concrete raw materials of needs, need pour the raw materials into to churn 1 in, pour into appropriate amount moisture through agitating unit 2 to the raw materials while stirring to make recycled concrete, at the stirring in-process, 6 accessible dust excluding hood 3 of air exhauster and take out dust pipe 4 take out the powder that floats to dust collection box 5 in, the effectual phenomenon that raw materials powder drifted out that has improved the protection to this mixer surrounding environment.

Referring to fig. 2 and 3, the stirring device 2 includes a rotating shaft 21, a plurality of connecting rods 22 with different lengths, a plurality of stirring rods 23 and a plurality of stirring blades 24, the rotating shaft 21 is rotatably connected with the stirring cylinder 1 in the stirring cylinder 1 along the vertical direction of the rotating axis, one end of the rotating shaft 21 penetrates through the bottom wall of the stirring cylinder 1 and then is connected with a driving motor 211, the driving motor 211 is fixedly connected with the outer bottom wall of the stirring cylinder 1, and the rotating shaft 21 is fixedly connected with the output shaft of the driving motor 211; one end of each connecting rod 22 and the side wall of the end, away from the driving motor 211, of the rotating shaft 21 are welded and fixed, the connecting rods 22 are in a horizontal state, in the application document, four connecting rods 22 are arranged, and included angles among the four connecting rods 22 are equal but lengths of the four connecting rods are different; one end of the stirring rod 23 is welded and fixed with the bottom wall of the connecting rod 22, which is far away from one end of the rotating shaft 21, and the length direction of the stirring rod 23 is vertical to that of the connecting rod 22; the stirring blades 24 and one side of the stirring rod 23 in the rotating direction are fixed by bolts, so that the stirring blades 24 are convenient to disassemble, maintain and replace; stirring vane 24 is arc form, and stirring vane 24 sets up along dead lever pivoted direction slope downwards, and rubber pad 241 is pasted and is fixed with to stirring vane 24's bottom, and rubber pad 241 and the inner diapire butt of churn 1 to improve the stirring effect to the raw materials. After the raw materials are added into the mixing drum 1, the driving motor 211 drives the rotating shaft 21 to rotate, the rotating shaft 21 drives the connecting rod 22 to do circular motion with different diameters in the mixing drum 1, the connecting rod 22 drives the mixing rod 23 to rotate in the mixing drum 1 by taking the rotating shaft 21 as a center, and the mixing rod 23 drives the mixing blades 24 to mix the raw materials in the mixing drum 1. Through above structure, can be located the raw materials of different diameters department to churn 1 and stir simultaneously to the effectual work efficiency who makes that has improved the recycled concrete stirring.

Referring to fig. 1, the opening size of dust excluding hood 3 bottom equals with the opening size at churn 1 top, and is provided with sealed pad 31 between dust excluding hood 3 and churn 1, and sealed pad 31 is pasted fixedly with the bottom of dust excluding hood 3, and in this application file, sealed pad 31 is made for the rubber material. Evenly spaced between the lateral wall of dust excluding hood 3 and churn 1 is provided with a plurality of hasps 32 that are used for both to fix, the top of dust excluding hood 3 is provided with passage 33 and water injection pipe 34, passage 33 and water injection pipe 34 pass the inside intercommunication of dust excluding hood 3 and churn 1, the top of passage 33 is provided with apron 331, apron 331 is connected with the one end hinge that the passage 33 kept away from dust excluding hood 3, the bottom of churn 1 is provided with the bleeder valve 7 that is used for the ejection of compact. When the mixer stirs recycled concrete, accessible hasp 32 is connected fixedly between dust excluding hood 3 and churn 1 lateral wall to increase the leakproofness between the two through sealed pad 31, so as to reduce the powder and spill from the gap between the two. When injecting the raw materials into the churn 1, can open apron 331, inject the raw materials into the churn 1 through passage 33, and when need not to annotate the material, with the top lock of apron 331 with passage 33, water is injected into to the churn 1 to rethread water injection pipe 34, after the stirring of recycled concrete is accomplished, open bleeder valve 7, derive churn 1 with recycled concrete, thereby realized also need not to open between dust excluding hood 3 and the churn 1 when adding the raw materials in to the churn 1, the phenomenon that the powder drifted out when having reduced to adding the raw materials in the churn 1.

Referring to fig. 1 and 4, a cleaning opening 51 is horizontally formed in a side wall of the dust box 5 near the bottom, a collecting box 52 is disposed in the bottom of the dust box 5, and the collecting box 52 is slidably connected to the dust box 5 along a direction in which the cleaning opening 51 is formed. After the exhaust fan 6 sucks the powder into the dust collection box 5, the powder directly falls into the collection box 52, when the powder in the collection box 52 is full, a worker can pull the collection box 52 out of the dust collection box 5 from the cleaning opening 51 and recycle the powder in the collection box 52, so that the waste of raw materials is reduced, and convenience is provided for the worker to clean the powder.

Referring to fig. 1 and 4, a through groove 53 is horizontally formed in the side wall of the dust collection box 5 above the cleaning opening 51, a striker plate 54 is arranged above the material receiving box in the dust collection box 5, the cross sectional area of the striker plate 54 is equal to that of the inside of the dust collection box 5, a slide 541 is fixedly welded on the inner wall of the dust collection box 5 along the sliding direction of the striker plate 54, two sides of the striker plate 54 are positioned in the slide 541 and are horizontally and slidably connected with the inner wall of the dust collection box 5 along the opening direction of the cleaning opening 51, a flexible cushion 531 is fixedly connected to the inner wall of the dust collection box 5 at the cleaning opening 51 in a sticking manner, and the flexible cushion 531 is made of rubber. When the collecting box 52 collects powder, a part of the striker plate 54 is drawn out but not completely drawn out, so that the striker plate 54 and the flexible pad 531 seal the through groove 53 to reduce the powder from flowing out from the through groove 53, and meanwhile, the flexible pad 531 can play a role in cleaning the surface of the striker plate 54 when being drawn out from the through groove 53; when powder in the collecting box 52 needs to be cleaned, a worker can completely push the blocking material into the dust collecting box 5, so that the blocking plate 54 and the dust collecting box 5 form a temporary cavity above the collecting box to collect the powder, and after the collecting box 52 is cleaned and reset, the blocking plate 54 is partially drawn out, so that the collecting box 52 can continue to collect the powder, and the powder cleaning work in the collecting box 52 can be completed without stopping the machine.

Referring to fig. 4, a filter screen 61 is covered at the communication position of the exhaust fan 6 inside the dust collection box 5, and the filter screen is fixedly adhered to the exhaust fan 6 so as to prevent the exhaust fan 6 from extracting the collected powder out of the dust collection box 6.

The implementation principle of the recycled concrete stirring and dust removing device in the embodiment of the application is as follows: pour the raw materials into to the churn 1 in from passage 33, drive connecting rod 22 through driving motor 211 and be the circular motion of different diameters in churn 1, connecting rod 22 is driving puddler 23 and stirring vane 24 and is making recycled concrete to the raw materials stirring in churn 1, at the stirring in-process, the powder that air exhauster 6 accessible dust excluding hood 3 and take out dirt pipe 4 and fly up in with the raw materials is taken out to dust collection box 5 in, the effectual phenomenon that raw materials powder drifted out that has improved, the protection to this mixer surrounding environment has been improved, and improved the work efficiency of making the recycled concrete stirring through above structure.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a recycled concrete stirring dust collector which characterized in that: the stirring device comprises a stirring cylinder (1), wherein a dust hood (3) is arranged at the top of the stirring cylinder (1), a dust collection box (5) is arranged on one side of the stirring cylinder (1), a dust extraction pipe (4) is communicated between the dust collection box (5) and the dust hood (3), an exhaust fan (6) is arranged at the top of the dust collection box (5), and the exhaust fan (6) is communicated with the inside of the dust collection box (5).

2. The recycled concrete mixing and dedusting device as recited in claim 1, wherein: the opening at opening and churn (1) top of dust excluding hood (3) bottom equals, and is provided with sealed pad (31) between churn (1) and dust excluding hood (3), and the one side and the dust excluding hood (3) bottom opening fixed connection of sealed pad (31), and the top of sealed pad (31) opposite side and churn (1) closely laminates, is provided with a plurality of hasps (32) that are used for fixing both between dust excluding hood (3) and churn (1) lateral wall.

3. The recycled concrete mixing and dedusting device as recited in claim 2, wherein: the top of the dust hood (3) is provided with a water injection pipe (34) and a material guide pipe (33), and the water injection pipe (34) and the material guide pipe (33) are communicated with the interior of the mixing drum (1) after penetrating through the dust hood (3).

4. The recycled concrete mixing and dedusting device as recited in claim 1, wherein: the side wall of the dust collection box (5) close to the bottom is provided with a cleaning opening (51), and a collection box (52) is connected in the bottom of the dust collection box (5) in a sliding manner along the direction of the cleaning opening (51).

5. The recycled concrete mixing and dedusting device according to claim 4, wherein: the dust collection box is characterized in that a baffle plate (54) is arranged inside the dust collection box (5), the baffle plate (54) is located above the collection box (52), a through groove (53) is formed in the side wall of the dust collection box (5), and the baffle plate (54) is connected with the inner wall of the dust collection box (5) in a sliding mode along the opening direction of the through groove (53).

6. The recycled concrete mixing and dedusting device as recited in claim 5, wherein: the inner walls of the two sides of the dust collection box (5) are fixedly provided with a slideway (541) along the sliding direction of the striker plate (54), and the two sides of the striker plate (54) are embedded in the slideway (541) and are connected with the slideway (541) in a sliding manner along the horizontal direction.

7. The recycled concrete mixing and dedusting device according to claim 6, wherein: a flexible pad (531) is fixedly arranged in the dust collection box (5) at the cleaning opening (51), and the flexible pad (531) is abutted against the surface of the striker plate (54).

8. The recycled concrete mixing and dedusting device as recited in claim 3, wherein: the top of the material guide pipe (33) is covered with a cover plate (331), and the cover plate (331) is hinged with the top of the material guide pipe (33).