Anti-precipitation device for concrete admixture

Abstract

The utility model relates to the technical field of concrete admixture processing, and discloses a concrete admixture anti-precipitation device which comprises a mixing tank, a feeding hopper is embedded in the top of the mixing tank, a discharging valve is embedded in the lower right portion of the mixing tank, and a stirring assembly and an admixture raw material adding assembly are arranged in the mixing tank. The stirring assembly comprises a stirring motor fixedly mounted at the bottom end of the mixing tank. An additive is added into the mixing barrel, the hydraulic rod is controlled to extend to drive the pressing plate to extrude the additive, the effect of slightly grinding powder can be achieved through rotation of the bearing net plate under extrusion of the pressing plate and the convex lines, the condition of additive caking is avoided, and the effect of continuously grinding the additive is achieved through rotation of the spiral conveying blade. According to the concrete mixing device, mortar can be driven to upwards flow into the mixing barrel from the feeding opening of the mixing barrel, then an additive is scoured, and the additive penetrates out of the mixing barrel through the screening net after being scoured, so that the additive is prevented from precipitating in concrete, and sufficient mixing of the concrete and the additive is ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of concrete processing, and more specifically to a device for preventing precipitation of concrete admixtures. Background Art

[0002] Concrete admixtures refer to substances added to improve and regulate the performance of concrete. When making concrete, the admixtures are added to the concrete and fully mixed with it. The addition of admixtures plays a certain role in improving the performance of concrete, but the selection, addition method and adaptability of admixtures will seriously affect its development.

[0003] At present, most concrete admixtures are in powder form. When making concrete, the concrete admixtures are poured into the concrete and mixed with it. When the admixtures in powder form are poured into the concrete, due to the large amount of admixtures added in powder form, the admixtures are prone to agglomeration. After the admixtures agglomerate, it is difficult for them to be mixed with the concrete slurry and is prone to precipitation during the mixing process, which is difficult to meet the production requirements of concrete. Therefore, how to make a device for preventing precipitation of concrete admixtures that can solve the problems of the existing technology has become a technical problem to be solved. Summary of the Utility Model

[0004] Based on the above technical problems, the utility model proposes a device for preventing precipitation of concrete admixtures to solve the problems existing in the above background art.

[0005] In view of this, the utility model proposes a device for preventing precipitation of concrete admixtures, which includes: a mixing tank, a feeding hopper is embedded at the top of the mixing tank, a discharging valve is embedded at the lower right of the mixing tank, and a stirring component and an admixture raw material adding component are respectively arranged inside the mixing tank;

[0006] The stirring component includes a stirring motor fixedly installed at the bottom end of the mixing tank, a shaft rod is rotatably connected to the inner bottom wall of the mixing tank, the output shaft of the stirring motor is fixed to the bottom end of the shaft rod, and a stirring rod is fixedly installed on the surface of the shaft rod;

[0007] The admixture raw material adding component includes a mixing cylinder fixedly installed at the center of the inner top wall of the mixing tank, a feeding port is reserved at the bottom end of the mixing cylinder, the top of the shaft rod extends into the feeding port 8 and a supporting mesh plate is fixedly installed, a discharging port is reserved on the side wall of the mixing cylinder, an admixture raw material adding pipe is embedded at the top of the mixing tank, and the discharging end of the admixture raw material adding pipe extends into the mixing cylinder and corresponds to the position of the supporting mesh plate. A cover is arranged at the top of the admixture raw material adding pipe, and a hydraulic rod is embedded at the top of the mixing tank, and a pressing plate is arranged at the telescopic end of the hydraulic rod.

[0008] Further, an observation window and a controller are respectively arranged on the front surface of the mixing tank, and the controller is connected to an external power control system through a wire.

[0009] Further, a screening net is embedded inside the discharge port of the mixing cylinder; by setting the screening net, the addition agent can be intercepted and restricted, and it is ensured that the addition agent is in a powder state and can pass through the screening net after being mixed with the concrete slurry.

[0010] Further, two limiting slide bars are symmetrically and fixedly installed on the top of the pressing plate, and the limiting slide bars are slidably connected to the top end of the mixing tank; by setting the limiting slide bars, the moving path of the pressing plate can be limited to prevent the pressing plate from rotating, so as to achieve the purpose of anti-torsion protection for the telescopic end of the hydraulic rod.

[0011] Further, the position of the pressing plate corresponds to that of the supporting mesh plate, and convex stripes are arranged at the bottom end of the pressing plate; by setting the convex stripes, the extrusion and friction effects when the concrete addition agent is clamped between the pressing plate and the supporting mesh plate can be improved.

[0012] Further, a scraper is fixedly installed at one end of the stirring rod far away from the shaft rod, the scraper is L-shaped, and the scraper is closely attached to the inner wall of the mixing tank; by setting the scraper, the concrete slurry and the addition agent adhered to the inner wall and the bottom wall of the mixing tank can be stirred to improve the stirring effect and further avoid the precipitation of the addition agent.

[0013] Further, a spiral conveyor blade is fixedly installed on the surface of the shaft rod inside the mixing cylinder, and the spiral conveyor blade is adapted to the inner diameter of the mixing cylinder; by setting the spiral conveyor blade, when the shaft rod rotates, the spiral conveyor blade can be driven to rotate, and the concrete slurry can be actively pumped into the mixing cylinder to promote the contact between the concrete slurry and the addition agent, thereby promoting the mixing between the concrete slurry and the addition agent.

[0014] Further, the pressing plate is movably connected to the telescopic end of the hydraulic rod. A connecting sleeve is fixedly installed at the telescopic end of the hydraulic rod. A connecting column is slidably connected to the bottom end of the connecting sleeve. The pressing plate is fixedly installed at the bottom end of the connecting column, and a supporting spring for driving the connecting column to move downward is arranged inside the connecting sleeve; by setting the connecting sleeve, the connecting column and the supporting spring, the pressing plate and the hydraulic rod are movably connected. When the extending speed of the hydraulic rod is too fast, the supporting spring is compressed to buffer the force on the supporting mesh plate, avoiding the situation that the hydraulic rod drives the pressing plate to over-extrude the supporting mesh plate and ensuring the safety of the device.

[0015] The present utility model provides a device for preventing precipitation of concrete admixtures. Compared with the prior art, the present utility model has the following advantages:

[0016] 1. The raw materials required for concrete processing in the present utility model are added into the internal part of the mixing tank from the feed hopper, and the shaft rod and the stirring rod are driven to rotate by the stirring motor to prepare and process the concrete slurry. When adding concrete admixtures, the admixtures are added into the internal part of the mixing cylinder from the admixture raw material adding pipe. At this time, the admixtures are on the surface of the supporting mesh plate. Subsequently, the hydraulic rod is controlled to extend to drive the pressing plate to extrude the admixtures. When the shaft rod rotates to drive the supporting mesh plate and the spiral conveyor blade to rotate, by using the rotation of the supporting mesh plate, under the extrusion of the pressing plate and the convex patterns, the effect of slightly grinding the powder can be achieved, so that the admixtures slowly overflow in a scattered state from the screening mesh, avoiding the situation of agglomeration. And by using the rotation of the spiral conveyor blade, the mortar can be driven to surge upward from the feed port of the mixing cylinder, and then the admixtures are flushed. After flushing, the admixtures pass through the screening mesh and out of the mixing cylinder. During the overall processing process, the situation of agglomeration of the admixtures is avoided, thereby preventing the admixtures from precipitating inside the concrete and ensuring the full mixing of the concrete and the admixtures.

[0017] 2. By setting the limiting slide rod in the present utility model, the moving path of the pressing plate can be limited, avoiding the rotation of the pressing plate, thus achieving the purpose of anti-torsion protection for the telescopic end of the hydraulic rod; by setting the connecting sleeve, the connecting column and the supporting spring, the pressing plate and the hydraulic rod are movably connected. When the extending speed of the hydraulic rod is too fast, the supporting spring is compressed, which can buffer the force on the supporting mesh plate and avoid the situation that the hydraulic rod drives the pressing plate to excessively extrude the supporting mesh plate, ensuring the safety of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 is a schematic three-dimensional structure diagram of the present utility model;

[0019] Figure 2 is a schematic front-sectional structure diagram of the present utility model;

[0020] Figure 3 is Figure 2 an enlarged structure diagram at A in

[0021] Figure 4 is Figure 2 an enlarged structure diagram at B in

[0022] In the figure: 1, mixing tank; 2, feed hopper; 3, discharge valve; 4, stirring motor; 5, shaft rod; 6, stirring rod; 7, mixing cylinder; 8, feed port; 9, supporting mesh plate; 10, discharge port; 11, admixture raw material adding pipe; 12, hydraulic rod; 13, pressing plate; 14, observation window; 15, controller; 16, screening mesh; 17, limiting slide rod; 18, convex pattern; 19, scraping plate; 20, spiral conveyor blade; 21, connecting sleeve; 22, connecting column; 23, supporting spring. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0023] In order to more clearly understand the above-mentioned objects, features and advantages of the present utility model, the present utility model will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0024] In the following description, many specific details are set forth in order to fully understand the present utility model. However, the present utility model may also be implemented in other ways different from those described herein. Therefore, the protection scope of the present utility model is not limited by the content disclosed below.

[0025] The following is a further description of Figures 1 to 4 the technical solution of the present utility model.

[0026] The first embodiment is as Figures 1 to 4 shown: A sediment prevention device for concrete admixtures, which includes: a mixing tank 1, a feed hopper 2 is embedded at the top of the mixing tank 1, a discharge valve 3 is embedded at the lower right of the mixing tank 1, and an observation window 14 and a controller 15 are respectively arranged on the front of the mixing tank 1. The controller 15 is connected to an external power control system through a wire.

[0027] A stirring assembly and an admixture raw material adding assembly are respectively arranged inside the mixing tank 1.

[0028] The stirring assembly includes a stirring motor 4 fixedly installed at the bottom end of the mixing tank 1. A shaft rod 5 is rotatably connected to the inner bottom wall of the mixing tank 1. The output shaft of the stirring motor 4 is fixed to the bottom end of the shaft rod 5. A stirring rod 6 is fixedly installed on the surface of the shaft rod 5.

[0029] When the present utility model is in use, the raw materials required for concrete processing are added into the mixing tank 1 from the feed hopper 2, and then the stirring motor 4 is started through the controller 15. The stirring motor 4 drives the shaft rod 5 and the stirring rod 6 to rotate to prepare and process the concrete slurry.

[0030] The admixture raw material adding assembly includes a mixing cylinder 7 fixedly installed at the center of the inner top wall of the mixing tank 1. A feed port 8 is reserved at the bottom end of the mixing cylinder 7. The top of the shaft rod 5 extends into the interior of the feed port 8 and a supporting mesh plate 9 is fixedly installed. A discharge port 10 is reserved on the side wall of the mixing cylinder 7. An admixture raw material adding pipe 11 is embedded at the top of the mixing tank 1, and the discharge end of the admixture raw material adding pipe 11 extends into the interior of the mixing cylinder 7 and corresponds to the position of the supporting mesh plate 9. A cover is arranged at the top of the admixture raw material adding pipe 11. A hydraulic rod 12 is embedded at the top of the mixing tank 1, and a pressing plate 13 is arranged at the telescopic end of the hydraulic rod 12.

[0031] A screening mesh 16 is embedded in the interior of the mixing cylinder 7 at the discharge port 10.

[0032] A spiral conveyor blade 20 is fixedly installed on the surface of the shaft rod 5 inside the mixing cylinder 7, and the spiral conveyor blade 20 is adapted to the inner diameter of the mixing cylinder 7.

[0033] Furthermore, when adding concrete admixture to the concrete slurry, the admixture is first added into the mixing barrel 7 from the admixture raw material adding pipe 11. At this time, the admixture is on the surface of the supporting mesh plate 9. Then, the hydraulic rod 12 is controlled to extend to drive the pressing plate 13 to move downward to squeeze the admixture. While the shaft 5 rotates, the supporting mesh plate 9 and the spiral conveying blade 20 can be driven to rotate at the same time. By rotating the supporting mesh plate 9, under the extrusion of the pressing plate 13, the powder can be slightly ground, so that the admixture slowly overflows from the screening net 16 in a scattered state to avoid agglomeration. By rotating the spiral conveying blade 20, the mortar can be driven to flow upward from the feeding port 8 of the mixing barrel 7, and then the admixture is flushed. After flushing, it passes through the screening net 16 and passes through the mixing barrel 7 from the discharge port 10. In the overall processing process, the admixture is prevented from agglomerating, thereby preventing the admixture from precipitating inside the concrete, ensuring that the concrete and the admixture are fully mixed.

[0034] Furthermore, the positions of the pressing plate 13 and the supporting mesh plate 9 correspond, and a convex pattern 18 is provided at the bottom end of the pressing plate 13. By providing the convex pattern 18, when the supporting mesh plate 9 rotates, the extrusion and friction effects of the concrete admixture when being clamped between the pressing plate 13 and the supporting mesh plate 9 can be improved.

[0035] Two limit slide bars 17 are symmetrically fixedly mounted on the top of the pressing plate 13 , and the limit slide bars 17 are slidably connected to the top of the mixing tank 1 .

[0036] Furthermore, by providing a limiting slide bar 17 , the moving path of the pressing plate 13 can be limited to prevent the pressing plate 13 from rotating, thereby achieving the purpose of anti-twisting protection for the telescopic end of the hydraulic rod 12 .

[0037] The pressure plate 13 is movably connected to the telescopic end of the hydraulic rod 12. A connecting sleeve 21 is fixedly installed on the telescopic end of the hydraulic rod 12. A connecting column 22 is slidably connected to the bottom end of the connecting column 22. The pressure plate 13 is fixedly installed on the bottom end of the connecting column 22, and a supporting spring 23 is arranged inside the connecting sleeve 21 to drive the connecting column 22 to move downward.

[0038] Furthermore, by providing a connecting sleeve 21, a connecting column 22 and a supporting spring 23, the pressure plate 13 and the hydraulic rod 12 are movably connected. When the hydraulic rod 12 extends too fast, the supporting spring 23 is compressed to buffer the force on the supporting mesh plate 9, thereby avoiding the situation where the hydraulic rod 12 drives the pressure plate 13 to excessively squeeze the supporting mesh plate 9, thereby ensuring the safety of the device.

[0039] A scraper 19 is fixedly mounted on one end of the stirring rod 6 away from the shaft 5 . The scraper 19 is L-shaped and is in close contact with the inner wall of the mixing tank 1 .

[0040] Furthermore, by setting the scraper 19, it is possible to scrape and stir the concrete slurry and admixture adhered to the inner wall and bottom wall of the mixing tank 1, improve the stirring effect, and further avoid the precipitation of the admixture.

[0041] The above are only the preferred embodiments of the present invention and are not intended to limit the present invention. For those skilled in the art, the present invention can have various changes and modifications. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims

1. A concrete admixture anti-sedimentation device, comprising a mixing tank, characterized in that: A feed hopper is embedded on the top of the mixing tank, a discharge valve is embedded on the lower right side of the mixing tank, and a stirring component and an additive raw material adding component are respectively disposed inside the mixing tank; The stirring assembly comprises a stirring motor fixedly mounted at the bottom end of the mixing tank, the inner bottom wall of the mixing tank is rotatably connected with a shaft, the output shaft of the stirring motor is fixed to the bottom end of the shaft, and a stirring rod is fixedly mounted on the surface of the shaft; The additive raw material adding assembly includes a mixing barrel fixedly installed at the center of the top wall of the mixing tank, a feed port is reserved at the bottom end of the mixing barrel, the top of the shaft extends to the inside of the feed port and is fixedly installed with a supporting mesh plate, a discharge port is reserved on the side wall of the mixing barrel, an additive raw material adding pipe is embedded in the top of the mixing tank, and the discharge end of the additive raw material adding pipe extends to the inside of the mixing barrel and corresponds to the position of the supporting mesh plate, a sealing cover is provided on the top of the additive raw material adding pipe, a hydraulic rod is embedded in the top of the mixing tank, and a pressure plate is provided at the telescopic end of the hydraulic rod.

2. The concrete admixture anti-sedimentation device according to claim 1, characterized in that: An observation window and a controller are respectively arranged on the front of the mixing tank, and the controller is connected to an external power control system through a wire.

3. The concrete admixture anti-sedimentation device according to claim 2, characterized in that: The mixing cylinder is provided with a screening net embedded inside the material outlet.

4. The concrete admixture anti-sedimentation device according to claim 3, characterized in that: Two limiting sliding bars are symmetrically fixedly installed on the top of the pressing plate, and the limiting sliding bars are slidably connected to the top of the mixing tank.

5. The concrete admixture anti-sedimentation device according to claim 4, characterized in that: The pressing plate corresponds to the position of the supporting mesh plate, and the bottom end of the pressing plate is provided with convex patterns.

6. The concrete admixture anti-sedimentation device according to claim 5, characterized in that: A scraper is fixedly mounted on one end of the stirring rod away from the shaft rod. The scraper is L-shaped and is in close contact with the inner wall of the mixing tank.

7. The concrete admixture anti-sedimentation device according to claim 6, characterized in that: The shaft rod is fixedly provided with a spiral conveying blade on the surface of the inner part of the mixing barrel, and the spiral conveying blade is adapted to the inner diameter of the mixing barrel.

8. The concrete admixture anti-sedimentation device according to claim 7, characterized in that: The pressure plate is movably connected to the telescopic end of the hydraulic rod. A connecting sleeve is fixedly installed on the telescopic end of the hydraulic rod. The bottom end of the connecting sleeve is slidably connected to a connecting column. The pressure plate is fixedly installed on the bottom end of the connecting column, and a supporting spring is arranged inside the connecting sleeve to drive the connecting column to move downward.

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