CN217289254U - Screening plant is used in concrete production - Google Patents
Screening plant is used in concrete production Download PDFInfo
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- CN217289254U CN217289254U CN202221049274.6U CN202221049274U CN217289254U CN 217289254 U CN217289254 U CN 217289254U CN 202221049274 U CN202221049274 U CN 202221049274U CN 217289254 U CN217289254 U CN 217289254U
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Abstract
The utility model relates to the technical field of concrete production, and discloses a screening device for concrete production, which comprises a supporting frame, wherein a screening ring is movably arranged in the supporting frame in a penetrating way, a screen is fixedly connected in the screening ring, the lower end of the screening ring is connected with a blanking component, and the supporting frame and the screening ring are jointly connected with a screening mechanism; the screening mechanism comprises four supporting rods, the four supporting rods are respectively and fixedly connected to inner frame walls on four sides of the supporting frame, a supporting ring is sleeved on each supporting rod in a sliding mode, one side, close to the screening ring, of the supporting ring is symmetrically connected with a transmission rope, the other end of the transmission rope is connected to the outer ring wall of the screening ring, one end, far away from the screening ring, of the supporting ring is connected with a spring, and the other end of the spring is connected to the corresponding inner frame wall of the supporting frame. The utility model discloses a reciprocal pivoted screen cloth carries out automatic screening to the sand, has improved screening efficiency, and through air reverse flushing screen cloth, carry out convenient clearance to the screen cloth moreover.
Description
Technical Field
The utility model relates to a concrete production technical field especially relates to a screening plant is used in concrete production.
Background
The composition of concrete the inside, sand occupy great proportion, when selecting for use the stone, then need to get rid of some large granule impurity in the sand, just need use screening plant this moment.
Currently, when sand is sieved, the most common method is to use a single sieve, and then manually pour sand onto the sieve to sieve out the stones in the sand, but this is inefficient.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the manual work among the prior art and pouring the sand on the screen cloth to get off the stone screening in the sand, but this kind of problem that efficiency is lower, and the screening plant is used in concrete production who provides.
In order to realize the purpose, the utility model adopts the following technical scheme:
a screening device for concrete production comprises a supporting frame, wherein a screening ring is movably arranged in the supporting frame in a penetrating manner, a screen is fixedly connected in the screening ring, the lower end of the screening ring is connected with a blanking assembly, and the supporting frame and the screening ring are jointly connected with a screening mechanism;
the screening mechanism comprises four supporting rods, the four supporting rods are respectively and fixedly connected to inner frame walls on four sides of a supporting frame, a supporting ring is sleeved on each supporting rod in a sliding mode, one side, close to the screening ring, of each supporting ring is symmetrically connected with a transmission rope, the other end of each transmission rope is connected to an outer ring wall of the screening ring, one end, far away from the screening ring, of each supporting ring is connected with a spring, the other end of each spring is connected to the corresponding inner frame wall of the supporting frame, and a driving assembly used for driving the screening ring to rotate is further installed in each supporting frame.
Preferably, the unloading subassembly includes hopper down, the lower extreme at the screening ring is connected to hopper down, the fill end intercommunication of hopper has the unloading pipe down, the air duct that the slant set up upwards feeds through on the outer pipe wall of unloading pipe, the other end of air duct is connected with the air-blower.
Preferably, the driving assembly comprises a supporting column, one end of the supporting column is fixedly connected to the inner frame wall on one side of the supporting frame, the other end of the supporting column is connected with a speed reduction motor, the output end of the speed reduction motor is connected with a driving gear through a coupler, one-third-circle teeth are arranged on the driving gear, a driven gear is fixedly sleeved on the outer ring wall of the screening ring, and the driving gear is meshed with the driven gear.
Preferably, the lower end four corners of the support frame are fixedly connected with support legs.
Preferably, the spring sleeve is arranged on the support rod, and one end of the support rod close to the screening ring is connected with the anti-falling block.
Preferably, a blanking valve is arranged on the blanking pipe below the air guide pipe, and a butterfly valve is arranged on the air guide pipe.
Compared with the prior art, the utility model provides a screening plant is used in concrete production possesses following beneficial effect:
1. this screening plant is used in concrete production sets up screening mechanism, starts gear motor during the screening, and under the effect of spring reset force, along with gear motor's the drive that lasts, the screening ring reciprocating rotation in the carriage falls the sand on the intra-annular screen cloth of screening again, and the sand passes the screen cloth, and the stone remains on the screen cloth, has improved screening efficiency.
2. This screening plant is used in concrete production sets up the unloading subassembly, when needs clear up the screen cloth, starts the air-blower, and the air backwash screen cloth will block up under the stone scour in the screen cloth mesh, carries out convenient clearance to the screen cloth.
The part that does not relate to among the device all is the same with prior art or can adopt prior art to realize, the utility model discloses a reciprocating rotation's screen cloth carries out automatic screening to the sand, has improved screening efficiency, and through air backwash screen cloth, carries out convenient clearance to the screen cloth moreover.
Drawings
Fig. 1 is a schematic view of a screening device for concrete production according to the present invention;
fig. 2 is a schematic structural view of a screening device for concrete production according to the present invention;
fig. 3 is the utility model provides a screening ring and driving gear connection part's among screening plant for concrete production structural schematic.
In the figure: 1. a support frame; 2. a screening ring; 3. screening a screen; 4. a support bar; 5. a support ring; 6. a drive rope; 7. a spring; 8. feeding a hopper; 9. a discharging pipe; 10. an air duct; 11. a blower; 12. a support pillar; 13. a reduction motor; 14. a driving gear; 15. a driven gear; 16. an anti-drop block; 17. a discharge valve; 18. butterfly valves.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Referring to fig. 1-2, the screening plant for concrete production comprises a support frame 1, wherein support legs are fixedly connected to four corners of the lower end of the support frame 1, and the support frame 1 is supported through the support legs.
Run through the activity in the carriage 1 and be equipped with screening ring 2, fixedly connected with screen cloth 3 in the screening ring 2, the lower extreme of screening ring 2 is connected with the unloading subassembly, the unloading subassembly includes hopper 8 down, hopper 8 is connected at the lower extreme of screening ring 2 down, hopper 8's the end intercommunication has unloading pipe 9 down, the air duct 10 that the intercommunication leaned on the outer pipe wall of unloading pipe 9 set up, the other end of air duct 10 is connected with air-blower 11, wash out screen cloth 3 through the air reverse, to block up under the stone scour in screen cloth 3 mesh, carry out convenient clearance to screen cloth 3.
Install unloading valve 17 on the unloading pipe 9 that is located air duct 10 below, open unloading valve 17 during the screening sand, install butterfly valve 18 on the air duct 10, close butterfly valve 18 when not clearing up screen cloth 3, prevent that the sand from discharging through air duct 10, on needs clearance screen cloth 3, close unloading valve 17 and open butterfly valve 18 for the air passes through air duct 10 smoothly.
Referring to fig. 1-2, the supporting frame 1 and the screening ring 2 are connected with a screening mechanism together, the screening mechanism includes four supporting rods 4, the four supporting rods 4 are respectively fixedly connected to the inner frame walls of four sides of the supporting frame 1, a supporting ring 5 is slidably sleeved on the supporting rods 4, one side of the supporting ring 5 close to the screening ring 2 is symmetrically connected with a transmission rope 6, the other end of the transmission rope 6 is connected to the outer ring wall of the screening ring 2, one end of the supporting ring 5 far away from the screening ring 2 is connected with a spring 7, the other end of the spring 7 is connected to the corresponding inner frame wall of the supporting frame 1, the spring 7 is sleeved on the supporting rods 4, one end of the supporting rod 4 close to the screening ring 2 is connected with an anti-dropping block 16, and the supporting ring 5 is prevented from dropping from the supporting rod 4.
Referring to fig. 2-3, a driving assembly for driving the screening ring 2 to rotate is further installed in the supporting frame 1, the driving assembly includes a supporting column 12, one end of the supporting column 12 is fixedly connected to the inner frame wall on one side of the supporting frame 1, the other end of the supporting column 12 is connected with a speed reduction motor 13, an output end of the speed reduction motor 13 is connected with a driving gear 14 through a coupler, one-third ring teeth are arranged on the driving gear 14, a driven gear 15 is fixedly sleeved on the outer ring wall of the screening ring 2, the driving gear 14 is meshed with the driven gear 15, the speed reduction motor 13 drives the driving gear 14 to rotate, and when the driving gear 14 is meshed with the driven gear 15, the screening ring 2 is driven to rotate in the supporting frame 1 through the driven gear 15 meshed with the driving gear 14.
The working principle is as follows: when the driving gear 14 is meshed with the driven gear 15, the driven gear 15 meshed with the driving gear 14 drives the screening ring 2 and the screen 3 to rotate in the support frame 1, when the screening ring 2 rotates, the transmission rope 6 applies pulling force to the support ring 5 on the support rod 4 to stretch the spring 7, so that the spring 7 is deformed, after the teeth on the driving gear 14 are separated from the driven gear 15, the deformed spring 7 drives the support ring 5 to reset, the transmission rope 6 drives the screening ring 2 to reset, the screening ring 2 rotates in the support frame 1 in a reciprocating manner along with the continuous driving of the speed reducing motor 13, sand is poured on the screen 3 in the screening ring 2, the sand is automatically screened through the screen 3 rotating in a reciprocating manner, the sand passes through the screen 3, and stones remain on the screen 3, improved screening efficiency, the sand of screening play discharges again in 8 entering into unloading pipe 9 through lower hopper, at the screening in-process, part stone can block in screen cloth 3's mesh, when needs clear up screen cloth 3, start air-blower 11, inhale external air and transport unloading pipe 9 through air duct 10, the part air that gets into unloading pipe 9 enters into screening ring 2 through lower hopper 8 again, the air reverse scour screen cloth 3, to block up under the stone scour in the screen cloth 3 mesh, carry out convenient clearance to screen cloth 3.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. The screening device for concrete production comprises a supporting frame and is characterized in that a screening ring is movably arranged in the supporting frame in a penetrating manner, a screen is fixedly connected in the screening ring, the lower end of the screening ring is connected with a blanking assembly, and the supporting frame and the screening ring are jointly connected with a screening mechanism;
the screening mechanism comprises four supporting rods, the four supporting rods are respectively and fixedly connected to inner frame walls on four sides of a supporting frame, a supporting ring is sleeved on each supporting rod in a sliding mode, one side, close to the screening ring, of each supporting ring is symmetrically connected with a transmission rope, the other end of each transmission rope is connected to an outer ring wall of the screening ring, one end, far away from the screening ring, of each supporting ring is connected with a spring, the other end of each spring is connected to the corresponding inner frame wall of the supporting frame, and a driving assembly used for driving the screening ring to rotate is further installed in each supporting frame.
2. The screening device for concrete production according to claim 1, wherein the blanking assembly comprises a blanking hopper, the blanking hopper is connected to the lower end of the screening ring, a blanking pipe is communicated with the bottom of the blanking hopper, an air guide pipe which is arranged in an upward inclined mode is communicated with the outer wall of the blanking pipe, and an air blower is connected to the other end of the air guide pipe.
3. The screening device for concrete production according to claim 1, wherein the driving assembly comprises a supporting column, one end of the supporting column is fixedly connected to one side inner frame wall of the supporting frame, the other end of the supporting column is connected with a speed reduction motor, the output end of the speed reduction motor is connected with a driving gear through a coupling, the driving gear is provided with one-third ring teeth, a driven gear is fixedly sleeved on the outer ring wall of the screening ring, and the driving gear is meshed with the driven gear.
4. The screening device for concrete production according to claim 1, wherein supporting legs are fixedly connected to four corners of the lower end of the supporting frame.
5. The screening device for concrete production according to claim 1, wherein the spring sleeve is arranged on the support rod, and one end of the support rod close to the screening ring is connected with the anti-dropping block.
6. The screening device for concrete production according to claim 2, wherein a blanking valve is mounted on the blanking pipe below the air guide pipe, and a butterfly valve is mounted on the air guide pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221049274.6U CN217289254U (en) | 2022-05-05 | 2022-05-05 | Screening plant is used in concrete production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221049274.6U CN217289254U (en) | 2022-05-05 | 2022-05-05 | Screening plant is used in concrete production |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217289254U true CN217289254U (en) | 2022-08-26 |
Family
ID=82916136
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221049274.6U Active CN217289254U (en) | 2022-05-05 | 2022-05-05 | Screening plant is used in concrete production |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217289254U (en) |
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2022
- 2022-05-05 CN CN202221049274.6U patent/CN217289254U/en active Active
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