A concrete premixing device

By designing a concrete premix device, premix and stirring of raw materials is achieved by using a splitter plate and a stirrer, and wetting it through a water spray pipe, the problems of increased burden and inefficiency of the mixer caused by the lack of premix and stirring in the prior art are solved, and the mixing efficiency and effect are improved.

CN222712476UActive Publication Date: 2025-04-04BEI JING JING XI JIAN SHE JI TUAN YOU XIAN ZE REN GONG SI
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Patent Information

Application Number
CN202421235039.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-31
Publication Date
2025-04-04
Estimated Expiration
2034-05-31

AI Technical Summary

Technical Problem

The existing concrete mixing operations lack premix and stirring, resulting in increased mixer burden and poor efficiency and effect.

Method used

A concrete premix device is designed, including a support frame, a feed pipe, a feed pipe and agitator. By setting up multiple rows of diverter plates and agitators in the feed pipe, premix and stirring of raw materials are realized, and wetting operations are carried out through the water spray pipe.

Benefits of technology

Premix and stirring during raw material feeding process is realized, reducing the burden on the mixer, improving the mixing efficiency and effect, and reducing the risk of dust flying.

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Abstract

The utility model discloses a concrete premixing device, including a support frame, a feeding pipe is vertically arranged on the support frame, a feeding pipe is connected to the bottom of the feeding pipe, the feeding pipe is used to be connected to the feed end of the mixer, and a stirrer is arranged on the feeding pipe, and the inner wall of the feeding pipe is fixedly connected with multiple rows of diverter plates, the diverter plates are arched, and the arch surface of the diverter plates faces upward, and each row of the diverter plates is respectively provided with multiple, and the multiple diverter plates are arranged at equal intervals in the horizontal direction, and the diverter plates in two adjacent rows are arranged at intervals. The utility model can realize the premixing and mixing operation in the feeding process, which can not only reduce the burden of the mixer, but also improve the mixing efficiency and mixing effect.
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Description

Technical Field

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

[0002] Concrete is a general term for engineering composite materials that are made of aggregates bonded together by cementitious materials. It usually refers to cement as the cementitious material, sand and stone as aggregates, mixed with water in a certain proportion and formed through mixing. It is widely used in civil engineering.

[0003] In the concrete mixing operation in the related art, multiple raw materials are usually put into the mixer in a uniform proportion, and then the multiple raw materials are mixed and stirred by the mixer. However, the concrete mixing operation in the related art lacks pre-mixing and stirring operations, which not only increases the burden of the mixer, but also affects the mixing efficiency and mixing effect, and needs to be improved. Utility Model Content

[0004] In view of the deficiencies in the prior art, the purpose of the utility model is to provide a concrete premixing device that can realize premixing and mixing operations, which can not only reduce the burden of the mixer, but also improve the mixing efficiency and mixing effect.

[0005] The above technical purpose of the utility model is achieved through the following technical solutions: a concrete premixing device, comprising a support frame, a feeding pipe is vertically arranged on the support frame, a feeding pipe is connected to the bottom of the feeding pipe, the feeding pipe is used to be connected to the feeding end of the mixer, and a stirrer is arranged on the feeding pipe;

[0006] Multiple rows of diverter plates are fixedly connected to the inner wall of the feeding pipe. The diverter plates are arched, and the arched surfaces of the diverter plates face upward. Multiple diverter plates are respectively arranged in each row. The multiple diverter plates are arranged at equal intervals in the horizontal direction, and the diverter plates in two adjacent rows are arranged at intervals.

[0007] In a preferred example, the utility model can be further configured as follows: an annular water spray pipe is fixedly connected to the upper end of the inner wall of the feeding pipe, the water spray pipe is arranged along the circumference of the feeding pipe, a plurality of water spray holes are evenly opened at the bottom of the water spray pipe, and a water injection pipe is connected to the water spray pipe, the water injection pipe passes through the feeding pipe and is used to connect to an external water supply pipeline.

[0008] In a preferred example, the utility model can be further configured as follows: a protective ring is fixedly connected to the inner wall of the feeding pipe along its circumferential direction, and the protective ring is located above the water spray pipe to achieve shielding and protection of the water spray pipe.

[0009] In a preferred example, the utility model can be further configured as follows: the feeding pipe and the feeding pipe are connected via a bendable corrugated pipe.

[0010] In a preferred example, the utility model can be further configured as follows: a support ring is fixedly sleeved on the feeding pipe, the support ring is connected to the support frame via a telescopic rod, and a driving member for controlling the lifting and lowering of the support ring is provided on the support frame.

[0011] In a preferred example, the utility model can be further configured as follows: the driving member includes a pair of electric push rods, the pair of electric push rods are symmetrically distributed on both sides of the feeding pipe, the tail ends of the electric push rods are fixedly connected to the support frame, and the telescopic ends are fixedly connected to the support ring.

[0012] In a preferred example, the utility model can be further configured as follows: self-locking casters are respectively provided at the four corners of the bottom of the support frame.

[0013] In a preferred example, the utility model can be further configured as follows: the top end of the feeding pipe is open.

[0014] In summary, the utility model has the following beneficial effects:

[0015] 1. By setting up multiple rows of manifolds, when multiple raw materials are put into the feeding pipe, the raw materials are divided and mixed under the action of the manifolds, and at the same time, the stirring of the agitator is coordinated to realize the pre-mixing and stirring operation during the raw material feeding process, which can not only reduce the burden of the agitator, but also improve the stirring efficiency and stirring effect;

[0016] 2. Spraying water into the feeding pipe through the water spray pipe can not only wet the raw materials, but also reduce the risk of dust flying. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a structural schematic diagram of an embodiment;

[0018] Figure 2 is a cross-sectional view of an embodiment;

[0019] Figure 3 yes Figure 2 A magnified schematic diagram of area A in the middle.

[0020] Figure numerals: 1. Support frame; 2. Feeding pipe; 3. Feeding pipe; 4. Diverter plate; 5. Agitator; 6. Water spray pipe; 7. Water spray hole; 8. Water injection pipe; 9. Protective ring; 10. Bellows; 11. Support ring; 12. Driving member; 121. Electric push rod; 13. Self-locking casters. DETAILED DESCRIPTION

[0021] The utility model is further described in detail below in conjunction with the accompanying drawings.

[0022] Reference Figure 1 , Figure 2 A concrete premixing device includes a support frame 1, a feeding pipe 2 is vertically arranged on the support frame 1, a feeding pipe 3 is connected to the bottom of the feeding pipe 2, and the feeding pipe 3 is used to connect with the feeding end of the mixer, that is, after the raw materials are put into the feeding pipe 2, the raw materials can enter the mixer through the feeding pipe 3. At the same time, the top of the feeding pipe 2 is open to increase the guiding effect on the raw materials.

[0023] Reference Figure 2 , Figure 3 Multiple rows of diverter plates 4 are arranged inside the feeding pipe 2, and both ends of the diverter plates 4 are fixedly connected to the inner wall of the feeding pipe 2, and the diverter plates 4 are arched, and the arch surface of the diverter plates 4 faces upward. Multiple diverter plates 4 are arranged in each row, and the multiple diverter plates 4 are arranged at equal intervals in the horizontal direction, and the diverter plates 4 in two adjacent rows are arranged at intervals.

[0024] Reference Figure 1 , Figure 2 A stirrer 5 is provided on the feeding pipe 3, and the stirrer 5 includes a plurality of stirring shafts which are rotatably connected to the feeding pipe 3 respectively, and a stirring blade is fixedly sleeved on each stirring shaft. A driving motor is fixedly connected to the feeding pipe 3, and the driving motor is connected to the plurality of stirring shafts through a synchronous belt and a plurality of driving wheels.

[0025] After the raw materials are put into the feeding pipe 2, they are diverted under the action of multiple diverter plates 4 during the downward flow of the raw materials, breaking the movement law of the raw materials so that the raw materials can be mixed during the flow. At the same time, the raw materials are mixed and stirred with the agitator 5, thereby realizing the pre-mixing and stirring operation during the raw material feeding process, which can not only reduce the burden of the agitator, but also improve the stirring efficiency and stirring effect.

[0026] Reference Figure 2 , Figure 3 A circular water spray pipe 6 is fixedly connected to the upper end of the inner wall of the feeding pipe 2. The water spray pipe 6 is arranged along the circumference of the feeding pipe 2, and a plurality of water spray holes 7 are evenly opened at the bottom of the water spray pipe 6. At the same time, a water injection pipe 8 is connected to the water spray pipe 6, which passes through the feeding pipe 2 and is used to connect to an external water supply pipeline.

[0027] Clean water enters the water spray pipe 6 through the water injection pipe 8 and is sprayed out through the water spray hole 7 to wet the raw materials, thereby facilitating the subsequent mixing and stirring of the raw materials by the mixer. At the same time, the water spray pipe 6 is located at the upper end of the feeding pipe 2, and the clean water sprayed from the water spray hole 7 can also suppress the dust and reduce the risk of dust flying.

[0028] Reference Figure 2 , Figure 3The inner wall of the feeding pipe 2 is fixedly connected with a protective ring 9 along its circumferential direction. The protective ring 9 is located above the water spray pipe 6 to shield and protect the water spray pipe 6 and reduce the risk of the raw material damaging the water spray pipe 6.

[0029] Reference Figure 1 , Figure 2 The feeding pipe 3 is connected to the feeding pipe 2 through a bendable corrugated pipe 10 to facilitate the connection between the feeding pipe 2 and the mixer. At the same time, a support ring 11 is fixedly sleeved on the feeding pipe 2, and the support ring 11 is connected to the support frame 1 through a telescopic rod, and a driving member 12 for controlling the lifting of the support ring 11 is provided on the support frame 1, so that the pre-mixing device can adapt to mixers of different heights.

[0030] Reference Figure 1 , Figure 2 The driving member 12 includes a pair of electric push rods 121, which are symmetrically distributed on both sides of the feeding pipe 2. The tail ends of the electric push rods 121 are fixedly connected to the support frame 1, and the telescopic ends are fixedly connected to the support ring 11 to achieve rapid adjustment of the height of the feeding pipe 2.

[0031] Reference Figure 1 , Figure 2 Self-locking casters 13 are respectively arranged at the four corners of the bottom of the support frame 1 to facilitate the movement or transportation of the pre-mixing device by the staff, thereby improving the convenience of use.

[0032] The specific embodiments are merely explanations of the present invention and are not limitations of the present invention. After reading this specification, those skilled in the art may make modifications to the embodiments without any creative contribution as needed. However, as long as they are within the scope of the claims of the present invention, they are protected by the patent law.

Claims

1. A concrete premixing device, characterized in that: It comprises a support frame (1), on which a feeding pipe (2) is vertically arranged, the bottom of the feeding pipe (2) is connected to a feeding pipe (3), the feeding pipe (3) is used to be connected to the feeding end of a mixer, and a stirrer (5) is arranged on the feeding pipe (3); The inner wall of the feeding pipe (2) is fixedly connected with a plurality of rows of diverter plates (4), the diverter plates (4) are arched, and the arched surface of the diverter plates (4) faces upwards. A plurality of diverter plates (4) are respectively provided in each row, and the plurality of diverter plates (4) are arranged at equal intervals in the horizontal direction, and the diverter plates (4) in two adjacent rows are arranged at intervals.

2. A concrete premixing device according to claim 1, characterized in that: An annular water spray pipe (6) is fixedly connected to the upper end of the inner wall of the feeding pipe (2), the water spray pipe (6) is arranged along the circumference of the feeding pipe (2), a plurality of water spray holes (7) are evenly opened at the bottom of the water spray pipe (6), and a water injection pipe (8) is connected to the water spray pipe (6), and the water injection pipe (8) passes through the feeding pipe (2) and is used to connect to an external water supply pipeline.

3. A concrete premixing device according to claim 2, characterized in that: A protective ring (9) is fixedly connected to the inner wall of the feeding pipe (2) along its circumferential direction, and the protective ring (9) is located above the water spray pipe (6) to achieve shielding and protection of the water spray pipe (6).

4. A concrete premixing device according to claim 1, characterized in that: The feeding pipe (3) is connected to the feeding pipe (2) via a bendable corrugated pipe (10).

5. A concrete premixing device according to claim 1, characterized in that: A support ring (11) is fixedly sleeved on the feeding pipe (2); the support ring (11) is connected to the support frame (1) via a telescopic rod; and a driving member (12) for controlling the lifting and lowering of the support ring (11) is provided on the support frame (1).

6. A concrete premixing device according to claim 5, characterized in that: The driving member (12) comprises a pair of electric push rods (121), the pair of electric push rods (121) are symmetrically distributed on both sides of the feeding pipe (2), the tail ends of the electric push rods (121) are fixedly connected to the support frame (1), and the telescopic ends are fixedly connected to the support ring (11).

7. A concrete premixing device according to claim 1, characterized in that: Self-locking casters (13) are respectively arranged at the four corners of the bottom of the support frame (1).

8. A concrete premixing device according to claim 1, characterized in that: The top end of the feeding pipe (2) is open.