CN209753334U - Prevent abandonment concrete recovery screening plant of jam - Google Patents
Prevent abandonment concrete recovery screening plant of jam Download PDFInfo
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- CN209753334U CN209753334U CN201920338535.8U CN201920338535U CN209753334U CN 209753334 U CN209753334 U CN 209753334U CN 201920338535 U CN201920338535 U CN 201920338535U CN 209753334 U CN209753334 U CN 209753334U
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- waste concrete
- separation pipe
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Abstract
The utility model relates to an anti-clogging waste concrete recycling and screening device, which comprises a hopper, a separation pipe, a driving chamber, a plurality of support legs and two discharge pipes, wherein a driving mechanism is arranged in the driving chamber, two screening mechanisms are arranged in the separation pipe, a valve is arranged in the separation pipe, the screening mechanisms comprise a screen, a rotating shaft and a plurality of scraping plates, the driving mechanism comprises a motor, a driving gear and two driven components, the driven components comprise driven gears and two limiting units, the anti-clogging waste concrete recycling and screening device screens coarse (stone cement slurry) fine (sand) aggregates and hardened powder in waste concrete through the screening mechanisms, the driving mechanism is utilized to drive the scraping plates to rotate on the surface of the screen, particles with large particle diameter are scraped, the aggregate particles with small particle diameter can pass through conveniently, the screen blockage is avoided, and thereby the recycling and screening of waste gas concrete are realized, the practicability of the equipment is improved.
Description
Technical Field
The utility model relates to a architectural equipment field, in particular to prevent abandonment concrete recovery screening plant of jam.
Background
Waste concrete is generated in the production process of the concrete, and the waste concrete can damage the environment after being solidified. The waste concrete produced in the actual concrete production process accounts for about 1-2.5% of the total production amount, and for each concrete mixing station, a large amount of treatment cost is required for treating the waste concrete, so that large economic loss and environmental pollution are caused, the resource utilization rate is improved, the sustainable utilization is realized, and a plurality of building industry equipment production manufacturers produce concrete recovery and screening devices.
In the existing waste concrete recovery screening device, coarse (pebble) fine aggregates (sand) and hardened cement mortar which are tightly combined together in waste concrete are separated mainly by screens with different mesh apertures to obtain mixtures with different particle sizes. These mixes mainly comprise three materials of different grain sizes, namely coarse aggregates (stones), with a grain size of more than 4.75mm, fine aggregates (sand) with a grain size of between 0.16 and 4.75mm, hardened cement paste powders with a grain size of less than 0.16 mm. However, in the actual screening process, the meshes of the screen are easily plugged by particles with larger particle sizes, so that the screening efficiency is reduced, and when the particles are serious, the fine particles cannot pass through the meshes of the screen, so that the screening fails, and the practicability of the conventional waste concrete screening equipment is reduced.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is: in order to overcome the defects of the prior art, the anti-blocking waste concrete recycling and screening device is provided.
The utility model provides a technical scheme that its technical problem adopted is: an anti-blocking waste concrete recycling and screening device comprises a hopper, a separation pipe, a driving chamber, a plurality of support legs and two discharging pipes, wherein the support legs are fixed below the separation pipe;
Screening mechanism includes screen cloth, pivot and a plurality of scraper blade, actuating mechanism is connected with the pivot transmission, scraper blade circumference evenly distributed is in the periphery of pivot, the screen cloth is fixed in the separator tube, the screen cloth is located the below of pivot, the vertical cross section's of screen cloth shape is semi-circular, the pivot is parallel with the screen cloth, the centre of a circle of the vertical cross section of screen cloth is located the axis of pivot, the pivot equals with the length of scraper blade with the distance of screen cloth, and in two screening mechanisms, the mesh aperture of the screen cloth that is located the screening mechanism of top is greater than the mesh aperture of the screen cloth that is located the screening mechanism of below.
As preferred, rotate for the drive pivot, actuating mechanism includes motor, drive gear and two driven subassemblies, the motor is fixed in the drive chamber, the motor is connected with the drive gear transmission, and two driven subassemblies are located drive gear's top and below respectively, driven subassembly and screening mechanism one-to-one, driven subassembly includes driven gear and two spacing units, driven gear and drive gear meshing, two spacing units are located driven gear's both sides respectively, driven gear and pivot fixed connection, driven gear and the coaxial setting of pivot.
As preferred, in order to realize the stable rotation of pivot, spacing unit includes limiting plate, spacing ring and two supports, the inner wall fixed connection of spacing ring through support and driver's cabin, the spacing ring cover is established in the pivot, the limiting plate is fixed in the pivot, the spacing ring supports and leans on the one side that is close to driven gear at the limiting plate.
Preferably, the tapping pipe is arranged obliquely downwards for facilitating the tapping.
Preferably, in order to facilitate the screening of coarse (gravel) fine aggregate (sand) and the hardening of cement mortar, the mesh opening of the screen of the upper screening mechanism is 4.75mm and the mesh opening of the screen of the lower screening mechanism is 0.16mm in both screening mechanisms.
Preferably, in order to reduce the resistance to rotation of the rotating shaft and facilitate the flow of the waste concrete particles, the scraper is provided with a plurality of through holes.
The beneficial effects of the utility model are that, this prevent abandonment concrete recovery screening plant of jam sieves thick (pebble) thin (sand) aggregate and sclerosis grout powder in the abandonment concrete through screening mechanism, utilizes actuating mechanism to drive the scraper blade at the surface rotation of screen cloth, scrapes the granule that the particle diameter is big, and the aggregate granule that the particle diameter of being convenient for is little passes through, avoids the screen cloth to block up to realize the recovery screening of exhaust gas concrete, improve equipment's practicality.
Drawings
The present invention will be further explained with reference to the drawings and examples.
FIG. 1 is a schematic structural view of the anti-clogging waste concrete recycling screening apparatus of the present invention;
FIG. 2 is a side view of the anti-clogging waste concrete recovery screening device of the present invention;
FIG. 3 is a cross-sectional view of the separator tube of the anti-clogging discarded concrete recovery screening device of the present invention;
FIG. 4 is a cross-sectional view of the drive chamber of the anti-clogging discarded concrete recovery screening device of the present invention;
in the figure: 1. the automatic feeding device comprises a hopper, 2 parts of a separation pipe, 3 parts of a driving chamber, 4 parts of support legs, 5 parts of a discharging pipe, 6 parts of a key, 7 parts of a screen, 8 parts of a rotating shaft, 9 parts of a scraping plate, 10 parts of a motor, 11 parts of a driving gear, 12 parts of a driven gear, 13 parts of a limiting plate and 14 parts of a limiting ring.
Detailed Description
the present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic drawings and illustrate the basic structure of the present invention only in a schematic manner, and thus show only the components related to the present invention.
As shown in fig. 1-3, an anti-clogging waste concrete recycling screening device includes a hopper 1, a separation tube 2, a driving chamber 3, a plurality of support legs 4 and two discharge tubes 5, wherein the support legs 4 are fixed below the separation tube 2, the hopper 1 is fixed above the separation tube 2, the discharge tubes 5 and the driving chamber 3 are both fixed on the separation tube 2, the separation tube 2 is provided with a plurality of keys 6, a valve is arranged in the separation tube 2, a driving mechanism is arranged in the driving chamber 3, two screening mechanisms are arranged in the separation tube 2, the screening mechanisms correspond to the discharge tubes 5 one by one, and the screening mechanisms are located below the discharge tubes 5;
screening mechanism includes screen cloth 7, pivot 8 and a plurality of scraper blade 9, actuating mechanism is connected with the transmission of pivot 8, 9 circumference evenly distributed of scraper blade are in the periphery of pivot 8, screen cloth 7 is fixed in separator tube 2, screen cloth 7 is located the below of pivot 8, the shape of the vertical cross section of screen cloth 7 is semi-circular, pivot 8 is parallel with screen cloth 7, the centre of a circle of the vertical cross section of screen cloth 7 is located the axis of pivot 8, the distance of pivot 8 and screen cloth 7 equals with the length of scraper blade 9, and in two screening mechanisms, the mesh aperture of the screen cloth 7 that is located the screening mechanism of top is greater than the mesh aperture of the screen cloth 7 that is located the screening mechanism of below.
In the waste concrete recycling and screening device, the separation pipe 2 is fixedly supported by the support legs 4, when in use, waste concrete is poured into the hopper 1 from top to bottom, and after entering the separation pipe 2 through the hopper 1, the waste concrete falls on the screen 7 of the screening mechanism and is screened by the screen 7, in order to avoid the blocking of the screen 7 in the screening mechanism and influence the flow of particles, a user can press the button 6 on the separation pipe 2 to control the driving mechanism in the driving chamber 3 to start, so as to drive the rotating shaft 8 in the screening mechanism to rotate and drive the scraper 9 to rotate, as the vertical cross section of the screen 7 is semicircular, the screen 7 drives the scraper 9 to rotate, so as to drive the waste concrete on the screen 7 to rotate, prevent particles with larger size in waste concrete from blocking meshes of the screen 7, and facilitate the particles with smaller size in concrete to fall down along meshes of the screen 7 by driving the concrete to rotate, at last, hardened cement slurry powder with the minimum size in the concrete falls off through the two screens 7, coarse aggregates (stones) with large particles stay on the screen 7 above, fine aggregates (sand) with small particles stay on the screen 7 below, and then the coarse aggregates and the fine aggregates can be discharged from the two discharge pipes 5 in sequence through the valves in the two discharge pipes 5 in sequence, so that the recycling and screening functions of the waste concrete are realized.
As shown in fig. 4, the driving mechanism includes a motor 10, a driving gear 11 and two driven components, the motor 10 is fixed in the driving chamber 3, the motor 10 is in transmission connection with the driving gear 11, the two driven components are respectively located above and below the driving gear 11, the driven components are in one-to-one correspondence with the screening mechanism, the driven components include a driven gear 12 and two limiting units, the driven gear 12 is meshed with the driving gear 11, the two limiting units are respectively located on two sides of the driven gear 12, the driven gear 12 is fixedly connected with the rotating shaft 8, and the driven gear 12 is coaxially arranged with the rotating shaft 8.
When the driving mechanism operates, the motor 10 is started to drive the driving gear 11 to rotate, and the driving gear is acted on the driven gears 12 of the driven assemblies on the upper side and the lower side, so that the driven gears 12 rotate, the rotating shaft 8 is driven to rotate, and the limiting unit is utilized to realize the stable rotation of the rotating shaft 8.
Preferably, in order to realize the stable rotation of the rotating shaft 8, the limiting unit comprises a limiting plate 13, a limiting ring 14 and two supports, the limiting ring 14 is fixedly connected with the inner wall of the driving chamber 3 through the supports, the limiting ring 14 is sleeved on the rotating shaft 8, the limiting plate 13 is fixed on the rotating shaft 8, and the limiting ring 14 is abutted against one side, close to the driven gear 12, of the limiting plate 13. Utilize the support to fix spacing ring 14 in drive chamber 3, spacing ring 14 cover is established on pivot 8 to the orbit when having fixed pivot 8 and rotating has avoided taking place to slide between pivot 8 and the limiting plate 13 through fixing the limiting plate 13 on pivot 8, thereby has realized the stable rotation of pivot 8.
Preferably, the tapping pipe 5 is arranged obliquely downwards for facilitating the tapping. After the discharging pipe 5 is arranged obliquely downwards, when the valve is opened, the coarse and fine aggregates screened in the concrete slide downwards along the discharging pipe 5, so that discharging is realized.
Preferably, in order to facilitate the screening of coarse stone fine aggregates (sand) and the hardening of cement mortar, the mesh opening of the screen 7 of the upper screening means of the two screening means is 4.75mm, and the mesh opening of the screen 7 of the lower screening means is 0.16 mm. In the waste concrete, the coarse aggregate (stone) with the grain diameter larger than 4.75mm can be filtered by the screen 7 in the upper screening mechanism, while the fine aggregate (sand) with the grain diameter between 0.16mm and 4.75mm is filtered by the screen 7 in the lower screening mechanism, and the hardened cement slurry powder with the smallest grain diameter is discharged from the bottom of the separation pipe 2.
Preferably, the scraper 9 is provided with a plurality of through holes in order to reduce the resistance to rotation of the rotating shaft 8 and facilitate the flow of the waste concrete particles. Through add the through-hole on scraper blade 9, when making things convenient for scraper blade 9 to rotate, the thickness aggregate of scraper blade 9 both sides takes place the convection current, has reduced the resistance that the scraper blade 9 received when rotating simultaneously.
When this screening plant is retrieved to abandonment concrete uses, screen cloth 7 in utilizing two screening mechanisms sieves thick stone fine sand aggregate and sclerosis grout powder in to the coagulation, in order to avoid screen cloth 7 to block up, it is rotatory to drive gear 11 by motor 10, it rotates to drive pivot 8 through driven gear 12, make scraper blade 9 rotate on the surface of screen cloth 7, the great aggregate of particle diameter on the 7 mesh of screen cloth will be stopped up and scrape, the little aggregate of particle diameter of being convenient for passes through screen cloth 7, thereby avoid screen cloth 7 to block up, be convenient for realize the screening of abandonment concrete, the practicality of equipment has been improved.
Compared with the prior art, this prevent abandonment concrete recovery screening plant of jam sieves coarse stone fine sand aggregate and sclerosis grout powder in the abandonment concrete through screening mechanism, utilizes actuating mechanism to drive scraper blade 9 at the surperficial rotation of screen cloth 7, scrapes the granule that the particle diameter is big, and the aggregate granule that the particle diameter of being convenient for is little passes through, avoids screen cloth 7 to block up to realize the recovery screening of exhaust gas concrete, improve equipment's practicality.
In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (6)
1. The anti-blocking waste concrete recycling and screening device is characterized by comprising a hopper (1), a separation pipe (2), a driving chamber (3), a plurality of support legs (4) and two discharging pipes (5), wherein the support legs (4) are fixed below the separation pipe (2), the hopper (1) is fixed above the separation pipe (2), the discharging pipes (5) and the driving chamber (3) are fixed on the separation pipe (2), a plurality of keys (6) are arranged on the separation pipe (2), a valve is arranged in the separation pipe (2), a driving mechanism is arranged in the driving chamber (3), two screening mechanisms are arranged in the separation pipe (2), the screening mechanisms correspond to the discharging pipes (5) one to one, and the screening mechanisms are located below the discharging pipes (5);
Screening mechanism includes screen cloth (7), pivot (8) and a plurality of scraper blade (9), actuating mechanism is connected with pivot (8) transmission, scraper blade (9) circumference evenly distributed is in the periphery of pivot (8), screen cloth (7) are fixed in separator tube (2), screen cloth (7) are located the below of pivot (8), the shape of the vertical cross section of screen cloth (7) is semi-circular, pivot (8) are parallel with screen cloth (7), the centre of a circle of the vertical cross section of screen cloth (7) is located the axis of pivot (8), the distance of pivot (8) and screen cloth (7) equals with the length of scraper blade (9), and in two screening mechanisms, the mesh aperture of the screen cloth (7) that are located the screening mechanism of top is greater than the mesh aperture of the screen cloth (7) that are located the screening mechanism of below.
2. The anti-clogging waste concrete recycling and screening device as claimed in claim 1, wherein the driving mechanism comprises a motor (10), a driving gear (11) and two driven components, the motor (10) is fixed in the driving chamber (3), the motor (10) is in transmission connection with the driving gear (11), the two driven components are respectively located above and below the driving gear (11), the driven components are in one-to-one correspondence with the screening mechanism, the driven components comprise driven gears (12) and two limiting units, the driven gears (12) are meshed with the driving gear (11), the two limiting units are respectively located on two sides of the driven gears (12), the driven gears (12) are fixedly connected with the rotating shaft (8), and the driven gears (12) are coaxially arranged with the rotating shaft (8).
3. The anti-clogging waste concrete recycling and screening device according to claim 2, wherein the limiting unit comprises a limiting plate (13), a limiting ring (14) and two supports, the limiting ring (14) is fixedly connected with the inner wall of the driving chamber (3) through the supports, the limiting ring (14) is sleeved on the rotating shaft (8), the limiting plate (13) is fixed on the rotating shaft (8), and the limiting ring (14) abuts against one side, close to the driven gear (12), of the limiting plate (13).
4. Anti-clogging waste concrete recycling screening device according to claim 1, characterized in that said discharge pipe (5) is arranged obliquely downwards.
5. the anti-clogging waste concrete recycling screening device according to claim 1, wherein in the two screening mechanisms, the mesh opening of the screen (7) in the upper screening mechanism is 4.75mm, and the mesh opening of the screen (7) in the lower screening mechanism is 0.16 mm.
6. The anti-clogging waste concrete recycling screening device according to claim 1, wherein said scraper (9) is provided with a plurality of through holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920338535.8U CN209753334U (en) | 2019-03-11 | 2019-03-11 | Prevent abandonment concrete recovery screening plant of jam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920338535.8U CN209753334U (en) | 2019-03-11 | 2019-03-11 | Prevent abandonment concrete recovery screening plant of jam |
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| Publication Number | Publication Date |
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| CN209753334U true CN209753334U (en) | 2019-12-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920338535.8U Active CN209753334U (en) | 2019-03-11 | 2019-03-11 | Prevent abandonment concrete recovery screening plant of jam |
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| CN (1) | CN209753334U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113019574A (en) * | 2021-03-10 | 2021-06-25 | 高州市兆翔新材料有限公司 | Sieving mechanism is used in kaolin production |
-
2019
- 2019-03-11 CN CN201920338535.8U patent/CN209753334U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113019574A (en) * | 2021-03-10 | 2021-06-25 | 高州市兆翔新材料有限公司 | Sieving mechanism is used in kaolin production |
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