CN220994929U - Negative pressure removes concrete bubble device - Google Patents
Negative pressure removes concrete bubble device Download PDFInfo
- Publication number
- CN220994929U CN220994929U CN202322255424.XU CN202322255424U CN220994929U CN 220994929 U CN220994929 U CN 220994929U CN 202322255424 U CN202322255424 U CN 202322255424U CN 220994929 U CN220994929 U CN 220994929U
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- negative pressure
- bin
- hopper
- concrete
- storehouse
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- 238000007789 sealing Methods 0.000 claims abstract description 31
- 230000007246 mechanism Effects 0.000 claims abstract description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 29
- 238000007599 discharging Methods 0.000 claims description 17
- 238000003756 stirring Methods 0.000 claims description 17
- 238000005507 spraying Methods 0.000 claims description 13
- 238000003825 pressing Methods 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 4
- 238000002156 mixing Methods 0.000 claims description 4
- 239000007921 spray Substances 0.000 claims description 4
- 239000002002 slurry Substances 0.000 abstract description 5
- 238000000034 method Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 8
- 230000009471 action Effects 0.000 description 6
- 238000009825 accumulation Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 238000011010 flushing procedure Methods 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000007596 consolidation process Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007872 degassing Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
Landscapes
- On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
Abstract
The utility model discloses a negative pressure concrete bubble removing device, which comprises a hopper, a negative pressure bin communicated with the hopper, wherein negative pressure is formed in the negative pressure bin through air suction of a vacuumizing device, so that concrete entering the negative pressure bin is deeply exhausted, the purpose of eliminating bubbles is achieved, the negative pressure bubble removing device is more thorough and quicker than vibration exhaust, a spiral blade is arranged in the hopper, the negative pressure bin is communicated with a transportation bin, and the tail end of the transportation bin is provided with a force applying mechanism for sealing, so that the negative pressure bin can continuously maintain a negative pressure state, and meanwhile, defoaming operation can be continuously carried out only by continuously injecting concrete slurry into the hopper.
Description
Technical Field
The utility model belongs to the technical field of concrete defoaming, and particularly relates to a negative pressure concrete bubble removal device.
Background
The factors influencing the concrete forming quality are many, and under the normal circumstances, in the concrete mix pouring process, some air is easy to mix, and these air can't be by oneself discharged, and the mode that adopts at present is accomplished the exhaust through the vibrator and is got the purpose of eliminating the bubble in the concrete, but this kind of mode on the one hand vibrate time and can't be specifically confirmed, vibrate time short gas and be difficult to exhaust, on the other hand need plug many times just can accomplish holistic exhaust, complex operation work efficiency is not high.
Disclosure of utility model
Aiming at the defects of the prior art, the utility model aims to provide a negative pressure concrete bubble removing device, which solves the problems that the existing concrete exhausting mode through a vibrator is complex in operation, the exhausting effect can not be accurately determined and the working efficiency is low.
The technical aim of the utility model is realized by the following technical scheme:
Part of the utility model: the utility model provides a concrete bubble device is removed to negative pressure, includes hopper, negative pressure storehouse, evacuating device and transportation storehouse, its characterized in that, hopper and fixed connection are in the negative pressure storehouse intercommunication of hopper bottom, vertical rotation is connected with the (mixing) shaft in the hopper, be provided with the helical blade of arranging hopper and negative pressure storehouse intercommunication department on the (mixing) shaft in, negative pressure storehouse and evacuating device pass through the pipeline intercommunication, negative pressure storehouse tail end and the transportation storehouse intercommunication that is used for the row material, transportation storehouse discharge gate department is provided with pressing mechanism, horizontal rotation is connected with the spiral auger in the transportation storehouse.
The utility model has the beneficial effects that:
1. The utility model comprises a hopper, a negative pressure bin communicated with the hopper, wherein the negative pressure bin is internally vacuumized by a vacuumizing device to form negative pressure, so that concrete entering the negative pressure bin is deeply exhausted, the purpose of eliminating bubbles is achieved, and the negative pressure bin is more thorough and quicker than vibration exhaust;
2. The screw blades are arranged in the hopper, the negative pressure bin is communicated with the conveying bin, and the tail end of the conveying bin is provided with the force application mechanism for sealing, so that the negative pressure state can be continuously maintained in the negative pressure bin, and meanwhile, defoaming operation can be continuously performed only by continuously injecting concrete slurry into the hopper, so that the working efficiency is improved, the detention time of concrete is reduced, and the forming quality is ensured;
3. The utility model also comprises a high-pressure water pump, can completely flush the whole set without disassembling equipment, ensures the air tightness of the whole set of equipment, is convenient to maintain and is worthy of popularization.
Drawings
Fig. 1 is a structural view of the present utility model.
Fig. 2 is a view showing a third structure of the embodiment of the present utility model.
In the figure, 1, a hopper; 2. a negative pressure bin; 3. a vacuum device; 4. a transportation bin; 5. a stirrer; 6. a stirring shaft; 7. stirring blades; 8. a connecting cylinder; 9. a helical blade; 10. a first rotating roller; 11. a first sealing door; 12 spiral augers; 13. a flap valve; 14. a baffle; 15. an elastic member; 16. a second roll; 17. a second sealing door; 18. a high pressure water pump; 19. and a water spraying pipe.
Detailed Description
The following describes embodiments of the present utility model in further detail with reference to FIGS. 1-2.
In the first embodiment, referring to fig. 1, a negative pressure concrete bubble removing device comprises a hopper 1, a negative pressure bin 2, a vacuum device 3 and a transport bin 4, specifically, the bottom of the hopper 1 is communicated with the negative pressure bin 2 which is transversely arranged, the vacuum device 3 is preferably a vacuum pump, the tail end of the negative pressure bin 2 is communicated with the transport bin 4 which is used for discharging, in the present embodiment, the vacuum pump and the transport bin 4 are arranged on the negative pressure bin 2 together, when in actual use, the stirred concrete enters the hopper 1 from above the hopper 1, a stirrer 5 which is driven to rotate is rotationally connected with the hopper 1, preferably, the stirrer 5 is driven to rotate by a servo motor, the concrete entering the hopper 1 is stirred to a certain extent by the stirring component arranged on the stirrer 5, a discharging mechanism is arranged at the communication position of the hopper 1 and the negative pressure bin 2, and is preset, in the embodiment, the discharging mechanism comprises a connecting cylinder 8 used for communicating the hopper 1 and the negative pressure bin 2, a spiral blade 9 arranged on the stirrer 8 is arranged in the connecting cylinder 8, the spiral blade 9 is positioned at the communication position of the negative pressure bin 2 and the hopper 1 and used for extruding and conveying the concrete into the negative pressure bin 2, the preset spiral blade 9 is arranged, after the setting, the concrete slurry is required to be reduced from falling between the spiral blade 9 and the inner side wall of the hopper 1 as much as possible, the negative pressure bin 2 is communicated with the vacuum pump through a pipeline, at least one stirring shaft 6 is transversely connected in the negative pressure bin 2 in a rotating way, stirring blades 7 are arranged on the stirring shaft 6 and used for conveying concrete entering the negative pressure bin 2 to the tail end of the negative pressure bin 2, a pressing mechanism is arranged at the discharge hole of the conveying bin 4, in actual working, the concrete discharged into the hopper 1 is piled up at the position of the spiral blade 9 when the spiral blade 9 does not rotate, the concrete is pressed down by dead weight, the position of the spiral blade 9 is sealed by the piling up of the concrete, then the vacuum pump starts to work to pump air, at the moment, the negative pressure is formed by the piling up sealing of the concrete and the force applying sealing of the pressing mechanism in the negative pressure bin 2 and the conveying bin 4, the screw blade 9 is then rotated to discharge the concrete into the negative pressure bin 2, in which the suction force of the vacuum pump is limited, the suction force of the vacuum pump is not enough to suck a large amount of concrete accumulated at the screw blade 9, in particular, the clearance between the screw blade 9 and the inner side wall of the hopper 1 is required to be suitable enough to allow a small amount of concrete to drop between the screw blade 9 and the hopper 1, but the concrete is not allowed to flow down in a large amount directly due to the direct air suction of the vacuum pump, thereby ensuring the tightness in the negative pressure bin 2, facilitating the formation of a negative pressure environment in the negative pressure bin 2, and simultaneously ensuring that the seal is always formed due to the accumulation of the concrete in the process of discharging the concrete into the negative pressure bin 2 through the screw blade 9, the negative pressure environment is always ensured to be in a negative pressure environment in the process of discharging concrete in the negative pressure bin 2, the first sealing door 11 is arranged at the discharge end of the connecting cylinder 8 in a preset mode, the first sealing door 11 is opened in the normal use process and does not interfere with the discharging of the spiral blade 9, when the concrete in the hopper 1 cannot seal the negative pressure bin 2 due to self-weight accumulation at the tail end of engineering construction, the first sealing door 11 is closed, so that the negative pressure environment in the negative pressure bin 2 cannot be interfered, in the actual use process, a user can choose not to arrange the first sealing door 11, the spiral blade 9 is closed at the tail end of engineering construction, a part of concrete accumulation sealing is ensured to be reserved above the spiral blade 9, the preset concrete entering the negative pressure bin 2 is driven to move towards the transportation bin 4 by the stirring blade 7, so that the concrete discharged into the negative pressure bin 2 is in a rolling and advancing state in the process of driving the stirring shaft 6, and the air in the concrete is conveniently pumped by the vacuum pump, so that the purpose of eliminating air bubbles is achieved.
In the second embodiment, on the basis of the first embodiment, a spiral auger 12 is rotationally connected to the transporting bin 4, so that the concrete transported into the transporting bin 4 by the negative pressure bin 2 is discharged out of the transporting bin 4 through the spiral auger 12, the preset discharging speed of the transporting bin 4 and the feeding speed of the negative pressure bin 2 are kept consistent, preferably, the diameter of the spiral auger 12 is the same as that of the spiral blade 9, the rotating speed of the spiral auger 12 is the same as that of the spiral blade 9, the amount of the concrete discharged into the negative pressure bin 2 is the same as that of the concrete discharged out of the transporting bin 4 in the same time in the actual working process, the preset pressing mechanism comprises a flap 13 longitudinally hinged at the discharging end of the transporting bin 4, a baffle 14 fixedly connected to the transporting bin 4 is matched on the side edge of the flap 13, an elastic component 15 for applying pressure is arranged between the baffle 14 and the flap valve 13, preferably, the elastic component 15 is a spring, the flap valve 13 has the function of sealing the transportation bin 4 under the action of the elastic component 15, meanwhile, when the screw auger 12 conveys concrete for discharging, the concrete can push the flap valve 13 to push the flap valve 13 up, and then the concrete is discharged out of the transportation bin 4, the flap valve 13 is forced by the elastic component 15, so that the transportation bin 4 and the negative pressure bin 2 are still in a sealing state in the concrete discharging process, the negative pressure state in the negative pressure bin 2 is ensured, the gas in the concrete slurry is ensured to overflow from the concrete slurry under the action of air pressure, and the deep air evacuating and bubble eliminating functions are completed.
In a third embodiment, referring to fig. 2, the discharging mechanism includes a connecting cylinder 8 for connecting the hopper 1 and the negative pressure bin 2, a first rotating roller 10 driven to rotate is longitudinally connected to the connecting cylinder 8, the first rotating roller 10 is preset to be driven by a servo motor with a self-locking function to rotate, so that the concrete above the first rotating roller 10 can form a seal due to self weight, preset, stirring blades are circumferentially arranged on the first rotating roller 10 at intervals, so that the stirring blades bring the concrete into the negative pressure bin 2 under the rotation action of the first rotating roller 10, meanwhile, the stirring blades on the first rotating roller 10 and the inner side wall of the connecting cylinder 8 can mutually cooperate to avoid the concrete from falling when the first rotating roller 10 does not rotate, a first sealing door 11 is arranged at the discharging end of the connecting cylinder 8, the first sealing door 11 is in a closed state at the beginning and the end of the project, so that the vacuum in the negative pressure bin 2 is conveniently pumped, and in the preset embodiment, a second rotating roller 16 is longitudinally connected in the transport bin 4 in a rotating way, material stirring blades are circumferentially arranged on the second rotating roller 16 at intervals, meanwhile, the pressing sealing mechanism comprises a second sealing door 17 arranged at the discharging end of the connecting cylinder 8, the first sealing door 11 and the second sealing door 17 are in a sealed state at the beginning of the project, at the moment, the vacuum pump action can enable the negative pressure in the negative pressure bin 2 to be in a negative pressure state, the preferable stable negative pressure is between 0.6 and 0.8MP, then concrete is poured into the hopper 1 and is piled above the first rotating roller 10, the first sealing door 11 is opened, the first rotating roller 10 action drives the concrete to enter the negative pressure bin 2 for degassing, after the concrete is piled at the second rotating roller 16, the second sealing door 17 is opened to discharge the concrete from the transportation compartment 4, and at the end of the construction, the first roll 10 stops rotating and then the first sealing door 17 is closed, and then the vacuum pump is turned off after the concrete is no longer discharged from the transportation compartment 4.
In the fourth embodiment, on the basis of the first, second or third embodiment, the device further comprises a high-pressure water pump 18, the water outlet end of the high-pressure water pump 18 is communicated with a water spraying pipe 19 for spraying water to the hopper 1 and the negative pressure bin 2, an opening for discharging water is formed in the water spraying pipe 19 or a spray nozzle for spraying water is arranged on the water spraying pipe 19, specifically, the water spraying pipe 19 is arranged around the hopper 1 to completely spray the stirring shaft 8 positioned in the hopper 1 and the inner side wall of the hopper 1, the water spraying pipe 19 arranged on the negative pressure bin 2 is used for completely spraying the conveying shaft 6 and the inner side wall of the negative pressure bin 2, after the defoaming operation is finished, the high-pressure water pump 18 is opened to flush the whole set of equipment, so that concrete consolidation is avoided, specifically, during actual flushing, the stirring shaft 8, the conveying shaft and the spiral auger 9 are all in an operation state, the first sealing door 11 and the second sealing door 17 are both in an open state, the water spraying pipe 19 is arranged on the side wall of the hopper 1 to flush the inside of the hopper 1 at multiple angles, meanwhile, the flushing pipe arranged on the negative pressure pipe directly flushes the conveying shaft 6, flushing water flows into the conveying bin 4, the discharge amount is smaller than the accumulation amount at the beginning due to the action of the flap valve 10, then the conveying bin 4 is filled with water, so that concrete on the spiral auger 9 is cleaned, in the specific operation, after the water flowing out of the flap valve 10 is visible clear water, the high-pressure water pump 18 is closed, the flap valve 10 is manually opened to empty the water flow, and in order to ensure the vacuumizing of the negative pressure bin 2, all the joints with the negative pressure bin 2 and the conveying bin 4 are coated with sealing glue or are subjected to proper sealing treatment, ensuring that the negative pressure bin 2 and the transportation bin 4 can form a satisfied negative pressure environment.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.
Claims (10)
1. The utility model provides a concrete bubble device is removed to negative pressure, includes hopper (1), negative pressure storehouse (2), evacuating device (3) and transportation storehouse (4), its characterized in that, hopper (1) and fixed connection are in negative pressure storehouse (2) intercommunication of hopper (1) bottom, vertical rotation is connected with by drive pivoted agitator (5) in hopper (1), negative pressure storehouse (2) internal rotation is connected with at least one (mixing) shaft (6), be provided with stirring vane (7) on (mixing) shaft (6), be provided with discharge mechanism in hopper (1) and negative pressure storehouse (2) intercommunication department, negative pressure storehouse (2) and evacuating device (3) are through the pipeline intercommunication, negative pressure storehouse (2) tail end and transportation storehouse (4) intercommunication that are used for the discharge gate department of transportation storehouse (4) are provided with the sealing mechanism that applies pressure.
2. A negative pressure concrete bubble removing device according to claim 1, characterized in that the evacuating device (3) is a vacuum pump.
3. Negative pressure concrete bubble removal device according to claim 1, characterized in that the discharge mechanism comprises a connecting cylinder (8) for communicating the hopper (1) and the negative pressure bin (2), wherein the connecting cylinder (8) is internally provided with a helical blade (9) arranged on the stirrer (5).
4. The negative pressure concrete bubble removing device according to claim 1, wherein the discharging mechanism comprises a connecting cylinder (8) used for communicating the hopper (1) and the negative pressure bin (2), a first rotating roller (10) driven to rotate is longitudinally connected to the connecting cylinder (8), stirring blades are circumferentially arranged on the first rotating roller (10) at intervals, and a first sealing door (11) is arranged at the discharging end of the connecting cylinder (8).
5. A negative pressure concrete bubble removing device according to claim 3, characterized in that a screw auger (12) driven to rotate is transversely and rotatably connected in the transporting bin (4).
6. The negative pressure concrete bubble removing device according to claim 5, wherein the pressure applying and sealing mechanism comprises a flap valve (13) longitudinally hinged to the discharging end of the transporting bin (4), a baffle plate (14) fixedly connected to the transporting bin (4) is matched on the side edge of the flap valve (13), and an elastic component (15) for applying pressure is arranged between the baffle plate (14) and the flap valve (13).
7. The negative pressure concrete bubble removing device according to claim 4, wherein a second rotating roller (16) is longitudinally and rotatably connected in the transporting bin (4), and material stirring blades are circumferentially and alternately arranged on the second rotating roller (16).
8. A negative pressure concrete bubble removing device according to claim 7, wherein the pressure applying sealing mechanism comprises a second sealing door (17) arranged at the discharge end of the connecting cylinder (8).
9. The negative pressure concrete bubble removing device according to claim 1, further comprising a high-pressure water pump (18), wherein the water outlet end of the high-pressure water pump (18) is communicated with a water spraying pipe (19) for spraying water to the hopper (1) and the negative pressure bin (2) to flush residual materials.
10. Negative pressure concrete bubble removing device according to claim 9, characterized in that the water spray pipe (19) is provided with openings or spray heads for spraying water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322255424.XU CN220994929U (en) | 2023-08-22 | 2023-08-22 | Negative pressure removes concrete bubble device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322255424.XU CN220994929U (en) | 2023-08-22 | 2023-08-22 | Negative pressure removes concrete bubble device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220994929U true CN220994929U (en) | 2024-05-24 |
Family
ID=91086607
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322255424.XU Active CN220994929U (en) | 2023-08-22 | 2023-08-22 | Negative pressure removes concrete bubble device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220994929U (en) |
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2023
- 2023-08-22 CN CN202322255424.XU patent/CN220994929U/en active Active
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