Concrete admixture premixing device

Abstract

The utility model relates to the technical field of concrete production, in particular to a concrete admixture premixing device which comprises a premixing box and a rotating cylinder, a liquid inlet pipe and a liquid outlet pipe are arranged on the pre-mixing box, and a plurality of supporting legs are arranged on the bottom surface of the pre-mixing box; the rotating cylinder is rotationally mounted on the inner wall of the upper end of the premixing box; an auxiliary assembly for stirring the concrete admixture in the rotating cylinder is arranged at the feeding hole; the upper end of the stirring assembly is connected with the bottom surface of the rotating cylinder. The stirring assembly drives the rotating cylinder to rotate, the concrete admixture can be dissolved more quickly through relative movement between the rotating cylinder and the auxiliary assembly, and meanwhile the dissolved concrete admixture and liquid in the pre-stirring box are further mixed through the stirring assembly. Furthermore, the concrete admixture can be dissolved more quickly and uniformly; and meanwhile, the arranged stirring assembly drives the rotating cylinder to rotate, so that a new driving piece is prevented from being added, and energy is saved.

Description

Technical Field

[0001] The utility model relates to the technical field of concrete production, in particular to a concrete admixture premixing device. Background Art

[0002] Concrete admixtures refer to substances added during the mixing process of concrete to improve the performance of concrete. Commonly used concrete admixtures include water reducers, retarders, accelerators, expansive agents, antifreeze agents and colorants, etc., and their functions are different.

[0003] The Chinese patent with the authorization announcement number CN213226925U discloses a concrete admixture premixing device, which includes a bracket and a mixing tank arranged on the top of the bracket, a liquid inlet pipe is arranged on the top of the mixing tank, a liquid outlet pipe is arranged on the bottom, a feeding funnel is arranged at the center of the top of the mixing tank, the material pipe of the feeding funnel penetrates into the mixing tank, a first stirring device is arranged on the outside of the material pipe for rotation, a driving device for driving the first stirring device to rotate is arranged on the top of the mixing tank at one side of the first stirring device, a pre-dissolving cylinder is arranged at the center above the bottom wall of the mixing tank, the bottom end of the material pipe penetrates into the pre-dissolving cylinder, a plurality of sieve holes are arranged on the side wall of the pre-dissolving cylinder, and a second stirring device is arranged in the pre-dissolving cylinder. The present application has a simple structure and is easy to use. The solid powdered admixture can be effectively pre-dissolved by the second stirring device, and the admixture solution can be made more uniform by the first stirring device, thereby ensuring the quality of the concrete.

[0004] The technical defects of the above-mentioned existing device are: the pre-dissolution cylinder is installed below the mixing tank, and the additive is added into the pre-dissolution cylinder through the set material pipe, which easily leads to blockage of the material pipe. At the same time, a second drive motor is separately provided in the pre-dissolution cylinder to drive the second stirring device inside the pre-dissolution cylinder to rotate, which wastes resources. Utility Model Content

[0005] The utility model aims to solve the problems existing in the background technology and to provide a concrete admixture premixing device which is convenient for saving resources and can fully mix.

[0006] The technical solution of the utility model: a concrete admixture premixing device, comprising a premixing box and a rotating drum;

[0007] The premix box is provided with a liquid inlet pipe and a liquid outlet pipe, the bottom surface of the premix box is provided with a plurality of supporting legs, and the upper end surface of the premix box is provided with a feed hole;

[0008] The rotating drum is rotatably mounted on the inner wall of the upper end of the premixing box, and an opening for communicating with the feed hole is provided on the rotating drum. The rotating drum is provided with a plurality of through holes; an auxiliary component for stirring the concrete admixture in the rotating drum is provided at the feed hole;

[0009] The stirring assembly is installed on the premixing box, and the upper end of the stirring assembly is connected to the bottom surface of the rotating drum.

[0010] Preferably, the auxiliary component includes a fixed plate, a plurality of first connecting rods, a fixed shaft and a plurality of first stirring rods; one end of the plurality of first connecting rods are all installed on the side of the fixed plate, and the other ends of the plurality of first connecting rods are all connected to the inner wall of the feed hole; the upper end of the fixed shaft is connected to the bottom surface of the fixed plate, and the bottom surface of the fixed shaft is rotatably set on the inner wall of the rotating cylinder; the plurality of first stirring rods are all installed on the fixed shaft.

[0011] Preferably, the upper end surface of the fixing plate is convex upward to form an arc surface.

[0012] Preferably, it also includes a rotating ring plate; the rotating ring plate is installed on the upper end surface of the rotating cylinder, and the rotating ring plate is rotatably arranged on the upper end surface of the premix box.

[0013] Preferably, the rotating ring plate and the rotating cylinder are an integrally formed structure.

[0014] Preferably, the stirring assembly includes multiple second stirring rods, a stirring shaft, multiple third stirring rods and a motor; the motor is installed on the bottom surface of the premixing box; one end of the stirring shaft is connected to the output shaft of the motor, and the other end of the stirring shaft extends into the premixing box and is connected to the rotating drum; the multiple second stirring rods are all installed on the stirring shaft; the multiple third stirring rods are all installed on the rotating drum.

[0015] Preferably, it also includes a rotating ring and a plurality of second connecting rods; the rotating ring slides and rubs against the inner wall of the bottom surface of the premixing box; and the two ends of the plurality of second connecting rods are respectively connected to the rotating ring and the stirring shaft.

[0016] Preferably, it also includes a funnel; the funnel is installed on the premixing box, and the funnel is located at the feed hole.

[0017] Compared with the prior art, the above technical solution of the utility model has the following beneficial technical effects:

[0018] The user puts the concrete admixture into the rotating drum through the feed hole; the rotating drum is driven to rotate by the provided stirring component, and the relative movement between the rotating drum and the auxiliary component enables the concrete admixture to be dissolved more quickly, and at the same time, the provided stirring component further mixes the dissolved concrete admixture with the liquid in the premixing box, so that the concrete admixture is dissolved more quickly and more evenly; at the same time, the provided stirring component drives the rotating drum to rotate, thereby avoiding the addition of new driving parts and saving energy.

[0019] The motor drives the stirring shaft, the rotating drum, the plurality of second stirring rods and the plurality of third stirring rods to rotate, so that the plurality of second stirring rods and the plurality of third stirring rods fully mix the concrete admixture dissolved in the rotating drum with the liquid in the premixing box, so that the concrete admixture is dissolved more thoroughly; when the rotating drum rotates, the rotating drum and the auxiliary component move relative to each other, so that the concrete admixture in the rotating drum is quickly dissolved; the operation of the stirring component and the relative operation of the auxiliary component and the rotating drum are realized through the setting of only one motor, and the structure is simple and energy is saved.

[0020] The stirring shaft drives the plurality of second connecting rods and the rotating ring to rotate, and then the rotating ring drives the water below the premixing tank to rotate and mix without dead angles, thereby effectively avoiding the precipitation of the admixture. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a three-dimensional diagram of the utility model.

[0022] Figure 2 It is a cross-sectional view of the utility model.

[0023] Figure 3 for Figure 2 A local enlarged schematic diagram of point A in the middle.

[0024] Figure numerals: 1, premix box; 101, feed hole; 2, support leg; 3, auxiliary component; 4, liquid inlet pipe; 5, liquid outlet pipe; 6, rotating ring; 7, second connecting rod; 8, stirring shaft; 9, second stirring rod; 10, third stirring rod; 11, rotating cylinder; 12, through hole; 13, fixed plate; 14, first connecting rod; 15, fixed shaft; 16, first stirring rod. DETAILED DESCRIPTION

[0025] Embodiment 1

[0026] like Figure 1-3 As shown, a concrete admixture premixing device proposed by the utility model comprises a premixing box 1 and a rotating drum 11.

[0027] The premix box 1 is provided with a liquid inlet pipe 4 and a liquid outlet pipe 5, the bottom surface of the premix box 1 is provided with a plurality of supporting legs 2, and the upper end surface of the premix box 1 is provided with a feed hole 101; it also includes a funnel; the funnel is installed on the premix box 1, and the funnel is located at the feed hole 101.

[0028] The rotating drum 11 is rotatably mounted on the inner wall of the upper end of the premixing box 1. The rotating drum 11 is provided with an opening for communicating with the feed hole 101. The rotating drum 11 is provided with a plurality of through holes 12. An auxiliary component 3 for stirring the concrete admixture in the rotating drum 11 is provided at the feed hole 101. The auxiliary component 3 includes a fixed plate 13, a plurality of first connecting rods 14, a fixed shaft 15 and a plurality of first stirring rods 16. One end of each of the plurality of first connecting rods 14 is mounted on the side of the fixed plate 13. The other ends of the connecting rods 14 are connected to the inner wall of the feed hole 101; the upper end of the fixed shaft 15 is connected to the bottom surface of the fixed plate 13, and the bottom surface of the fixed shaft 15 is rotatably set on the inner wall of the rotating cylinder 11; multiple first stirring rods 16 are installed on the fixed shaft 15; the upper end surface of the fixed plate 13 bulges upward to form an arc surface; it also includes a rotating ring plate; the rotating ring plate is installed on the upper end surface of the rotating cylinder 11, and the rotating ring plate is rotatably set on the upper end surface of the premix box 1; the rotating ring plate and the rotating cylinder 11 are an integrally formed structure.

[0029] The stirring assembly is installed on the premixing box 1 , and the upper end of the stirring assembly is connected to the bottom surface of the rotating cylinder 11 .

[0030] In the utility model, when in use, the user puts the concrete admixture into the rotating drum 11 through the feed hole 101; the rotating drum 11 is driven to rotate by the provided stirring component, and then the relative movement between the rotating drum 11 and the auxiliary component 3 enables the concrete admixture to be dissolved more quickly, and at the same time, the provided stirring component further mixes the dissolved concrete admixture with the liquid in the premixing box 1, so that the concrete admixture is dissolved more quickly and more evenly; at the same time, the provided stirring component drives the rotating drum 11 to rotate, thereby avoiding the addition of new driving parts, saving energy.

[0031] Embodiment 2

[0032] like Figure 2 As shown, the utility model proposes a concrete admixture premixing device. Compared with the first embodiment, this embodiment further describes in detail the specific structure of the stirring assembly; the stirring assembly includes a plurality of second stirring rods 9, a stirring shaft 8, a plurality of third stirring rods 10 and a motor; the motor is installed on the bottom surface of the premixing box 1; one end of the stirring shaft 8 is connected to the output shaft of the motor, and the other end of the stirring shaft 8 extends into the premixing box 1 and is connected to the rotating drum 11; the plurality of second stirring rods 9 are all installed on the stirring shaft 8; the plurality of third stirring rods 10 are all installed on the rotating drum 11.

[0033] In the utility model, when in use, the motor drives the stirring shaft 8, the rotating drum 11, the plurality of second stirring rods 9 and the plurality of third stirring rods 10 to rotate, so that the plurality of second stirring rods 9 and the plurality of third stirring rods 10 fully mix the concrete admixture dissolved in the rotating drum 11 with the liquid in the premixing box 1, so that the dissolution of the concrete admixture is more thorough; when the rotating drum 11 rotates, the rotating drum 11 and the auxiliary component 3 move relative to each other, so that the concrete admixture in the rotating drum 11 is quickly dissolved; only one motor is required to realize the operation of the stirring component and the relative operation of the auxiliary component 3 and the rotating drum 11, so the structure is simple and energy is saved.

[0034] Embodiment 3

[0035] like Figure 2 As shown, the utility model proposes a concrete admixture premixing device. Compared with the first embodiment, this embodiment also includes a rotating ring 6 and a plurality of second connecting rods 7; the rotating ring 6 slides and rubs against the bottom inner wall of the premixing box 1; the two ends of the plurality of second connecting rods 7 are respectively connected to the rotating ring 6 and the stirring shaft 8.

[0036] In the utility model, when in use, the stirring shaft 8 drives the plurality of second connecting rods 7 and the rotating ring 6 to rotate, and then the rotating ring 6 drives the water below the premixing box 1 to rotate and mix without dead angles, thereby effectively avoiding the precipitation of the admixture.

[0037] The implementation modes of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited thereto, and various changes can be made within the knowledge scope of technicians in the relevant technical field without departing from the purpose of the present invention.

Claims

1. A concrete admixture premixing device, characterized in that: It comprises a premixing box (1) and a rotating drum (11); The premix box (1) is provided with a liquid inlet pipe (4) and a liquid outlet pipe (5), the bottom surface of the premix box (1) is provided with a plurality of supporting legs (2), and the upper end surface of the premix box (1) is provided with a feed hole (101); The rotating drum (11) is rotatably mounted on the inner wall of the upper end of the premixing box (1); an opening for communicating with the feed hole (101) is provided on the rotating drum (11); and a plurality of through holes (12) are provided on the rotating drum (11); an auxiliary component (3) for stirring concrete admixture in the rotating drum (11) is provided at the feed hole (101); The stirring assembly is installed on the premixing box (1), and the upper end of the stirring assembly is connected to the bottom surface of the rotating cylinder (11).

2. A concrete admixture premixing device according to claim 1, characterized in that: The auxiliary component (3) comprises a fixed plate (13), a plurality of first connecting rods (14), a fixed shaft (15) and a plurality of first stirring rods (16); one end of the plurality of first connecting rods (14) is mounted on the side surface of the fixed plate (13), and the other end of the plurality of first connecting rods (14) is connected to the inner wall of the feed hole (101); the upper end of the fixed shaft (15) is connected to the bottom surface of the fixed plate (13), and the bottom surface of the fixed shaft (15) is rotatably arranged on the inner wall of the rotating cylinder (11); and the plurality of first stirring rods (16) are mounted on the fixed shaft (15).

3. A concrete admixture premixing device according to claim 2, characterized in that: The upper end surface of the fixing plate (13) is convex upward to form an arc surface.

4. A concrete admixture premixing device according to claim 1, characterized in that: It also includes a rotating ring plate; the rotating ring plate is mounted on the upper end surface of the rotating cylinder (11), and the rotating ring plate is rotatably arranged on the upper end surface of the premix box (1).

5. A concrete admixture premixing device according to claim 4, characterized in that: The rotating ring plate and the rotating cylinder (11) are an integrally formed structure.

6. A concrete admixture premixing device according to claim 1, characterized in that: The stirring assembly comprises a plurality of second stirring rods (9), a stirring shaft (8), a plurality of third stirring rods (10) and a motor; the motor is mounted on the bottom surface of the premixing box (1); one end of the stirring shaft (8) is connected to the output shaft of the motor, and the other end of the stirring shaft (8) extends into the premixing box (1) and is connected to a rotating drum (11); the plurality of second stirring rods (9) are all mounted on the stirring shaft (8); and the plurality of third stirring rods (10) are all mounted on the rotating drum (11).

7. A concrete admixture premixing device according to claim 6, characterized in that: It also comprises a rotating ring (6) and a plurality of second connecting rods (7); the rotating ring (6) slides and rubs against the inner wall of the bottom surface of the premixing box (1); and the two ends of the plurality of second connecting rods (7) are respectively connected to the rotating ring (6) and the stirring shaft (8).

8. A concrete admixture premixing device according to claim 1, characterized in that: It also includes a funnel; the funnel is installed on the premixing box (1), and the funnel is located at the feed hole (101).

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