Mixer for constructional engineering

Abstract

The utility model discloses a material mixer for constructional engineering, which relates to the technical field of constructional engineering and comprises a material mixing box, a material mixing cavity is arranged inside the material mixing box, a stirrer is rotatably connected inside the material mixing cavity, a stirring groove is arranged inside the stirrer, and a feeding port is arranged inside the stirrer and located at one end of the stirring groove. A feeding hopper is installed on one side of the mixing box, and one end of the feeding hopper is aligned with the feeding port. The mixer for constructional engineering has the beneficial effects that raw materials below can be fully stirred through the rotation of the stirrer and the stirring shaft in the stirrer, the mixing effect is improved, and meanwhile, the sliding sealing cover is arranged on the outer wall of the stirrer, so that the raw materials can be fully stirred under the action that the gear on the stirrer is meshed with the teeth on the sealing cover; the sealing cover can be driven to move, opening and closing of the screening opening and the discharging opening are controlled respectively, mixed raw materials can be screened through the screen, waste residues can be discharged out of the stirrer, and cleaning of the stirrer is facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of construction engineering, in particular to a mixer for construction engineering. Background Art

[0002] The raw materials for construction projects can be divided into cement, aggregates, mortar, wood, steel bars and steel according to their properties. In construction, cement and mortar are commonly used materials, which need to be mixed and stirred by various raw materials in a certain proportion.

[0003] Application No. 202022909636.1 discloses a mixing and screening machine for construction engineering machinery. Through the use of a motor, a turbine stirring blade, a three-way screening net, a three-way screening plate, a discharge port and a discharge hopper, at most three different particle sizes of construction materials can be screened out, and the three-way screening net is easy to disassemble, which is conducive to the cleaning and replacement of the three-way screening net. In addition, the existing screening devices for construction generally use multi-layer screens to screen the construction materials in the form of vibration, but this type of construction material screening device can only perform a single screening operation and cannot mix the raw materials. The screening method adopted in this patent is different from the existing construction material screening device. After the three-way screening net and the three-way screening plate are removed, the mixing of the construction materials can be achieved, which enhances the practicality of the overall device.

[0004] In the mixing structure of the above application, the raw materials at the bottom are difficult to be fully stirred and screened, thereby affecting the mixing effect of the building materials and making it difficult to clean the waste residue after filtering. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model provides a mixer for construction engineering, which solves the problems raised in the above-mentioned background technology.

[0006] To achieve the above purpose, the utility model is implemented through the following technical solutions: a mixer for construction engineering, including a mixing box, a mixing chamber is provided inside the mixing box, a stirrer is rotatably connected inside the mixing chamber, a stirring tank is provided inside the stirrer, a feed port is provided inside the stirrer and at one end of the stirring tank, a feed hopper is installed on one side of the mixing box, one end of the feed hopper is aligned with the feed port, a stirring shaft is rotatably connected inside the stirring tank, a first motor and a second motor are respectively installed on a side of the mixing box away from the feed hopper and an inner wall of the stirrer, and the first motor and the second motor The output ends are respectively fixedly connected to the agitator and the agitator shaft, and a sieve opening and a discharge opening are respectively provided inside the agitator and on two sides corresponding to the stirring tank, a screen is installed inside the sieve opening, a convex slide groove is provided inside the agitator and on one side of the sieve opening and the discharge opening, a convex slider is slidably connected inside the convex slide groove, a sealing cover is connected to one side of the convex slider, the inner wall of the sealing cover is fitted with the outer wall of the agitator, a plurality of teeth are installed on the outer side of the sealing cover, a support frame is installed on one side of the agitator, a gear is rotatably connected to one side of the support frame, and the gears are respectively meshed with the plurality of teeth.

[0007] Preferably, limiting grooves are provided inside the mixing box and on both sides corresponding to the mixing cavity, limiting blocks are slidably connected inside the limiting grooves, and a sieve plate is fixedly connected between the two limiting blocks.

[0008] Preferably, a vibration motor is installed inside the limiting groove, and the output end of the vibration motor is connected to the limiting block.

[0009] Preferably, a discharge pipe is connected to one side of the mixing box and located at the bottom of the limiting groove, and one end of the discharge pipe extends into the mixing cavity.

[0010] Preferably, a third motor is fixedly installed inside the support frame, and an output end of the third motor is connected to a gear.

[0011] Preferably, a wind cavity is provided inside the agitator and on one side of the stirring tank, a plurality of exhaust holes are provided inside the agitator and between the wind cavity and the stirring tank, a fan is installed on the outer wall of the agitator, and the input end of the fan extends into the wind cavity.

[0012] Preferably, movable plate legs are installed at the bottom of the mixing box.

[0013] The utility model provides a mixer for construction engineering, which has the following beneficial effects:

[0014] 1. The mixer for construction engineering can fully stir the raw materials below through the rotation of the agitator and its internal stirring shaft, while improving the mixing effect. A sliding sealing cover is installed on the outer wall of the agitator. Under the action of the meshing of the gear on the agitator and the teeth on the sealing cover, the sealing cover can be driven to move, and the switches of the sieve port and the discharge port can be controlled respectively, so that the mixed raw materials can be sieved through the screen, and the waste residue can also be discharged from the agitator, which is convenient for cleaning the agitator.

[0015] 2. The mixer for construction projects can drive the sieve plate to vibrate through the sieve plate installed in the mixing chamber under the action of a vibration motor, so as to screen the raw materials for the second time. An air supply mechanism is arranged in the mixing shaft. With the action of a fan and multiple sets of exhaust holes, the raw materials can be air-dried to avoid moisture, which is beneficial to accelerate the discharge of waste residues in the mixer. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the structure of the utility model;

[0017] Figure 2 It is a partial structural sectional view of the utility model;

[0018] Figure 3 For this utility model Figure 1 Enlarged view of point A in the middle.

[0019] In the figure: 1. mixing box; 2. mixing chamber; 3. agitator; 4. stirring tank; 5. feed port; 6. feed hopper; 7. stirring shaft; 8. first motor; 9. second motor; 10. screening port; 11. discharge port; 12. screen; 13. convex slide; 14. convex slider; 15. sealing cover; 16. teeth; 17. support frame; 18. gear; 19. limit slot; 20. limit block; 21. sieve plate; 22. vibration motor; 23. discharge pipe; 24. air chamber; 25. exhaust hole; 26. fan; 27. third motor; 28. movable plate support leg. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0021] See also Figures 1 to 3The utility model provides a technical solution: a mixer for construction engineering, including a mixing box 1, a mixing chamber 2 is provided inside the mixing box 1, a stirrer 3 is rotatably connected inside the mixing chamber 2, a stirring tank 4 is provided inside the stirrer 3, a feed port 5 is provided inside the stirrer 3 and at one end of the stirring tank 4, a feed hopper 6 is installed on one side of the mixing box 1, one end of the feed hopper 6 is aligned with the feed port 5, so as to facilitate the feeding of raw materials into the stirring tank 4, a stirring shaft 7 is rotatably connected inside the stirring tank 4, a first motor 8 and a second motor 9 are respectively installed on a side of the mixing box 1 away from the feed hopper 6 and on the inner wall of the stirrer 3, the output ends of the first motor 8 and the second motor 9 are respectively fixedly connected to the stirrer 3 and the stirring shaft 7, and can be driven respectively The stirrer 3 and the stirring shaft 7 rotate to turn the stirrer 3 over to prevent the raw materials below from being unable to be fully mixed, and at the same time stir the raw materials to make them mixed more evenly. The inside of the stirrer 3 and the two sides corresponding to the stirring tank 4 are respectively provided with a sieve port 10 and a discharge port 11, and a screen 12 is installed inside the sieve port 10. A convex chute 13 is provided inside the stirrer 3 and on one side of the sieve port 10 and the discharge port 11. A convex slider 14 is slidably connected inside the convex chute 13, and a sealing cover 15 is connected to one side of the convex slider 14. The inner wall of the sealing cover 15 fits with the outer wall of the stirrer 3 to block the sieve port 10 and the discharge port 11 to prevent the raw materials from falling through the sieve port 10 and the discharge port 11 during stirring and mixing. A plurality of teeth 16 are installed on the outer side of the sealing cover 15, a support frame 17 is installed on one side of the agitator 3, a gear 18 is rotatably connected to one side of the support frame 17, and the gear 18 is respectively meshed with the plurality of teeth 16, so that while the gear 18 rotates, the sealing cover 15 is driven to slide by meshing with the teeth 16, and the opening and closing of the sieving port 10 and the discharge port 11 are respectively controlled, so as to facilitate the sieving of the raw materials by the screen 12 and the discharge of the waste residue in the stirring tank 4 at a later stage. A third motor 27 is fixedly installed inside the support frame 17, and the output end of the third motor 27 is connected to the gear 18 to provide power for the rotation of the gear 18. An air cavity 24 is provided inside the agitator 3 and on one side of the stirring tank 4, and a connection between the air cavity 24 and the stirring tank 4 is provided inside the agitator 3. A plurality of exhaust holes 25 are provided between the mixer 3, a fan 26 is installed on the outer wall of the mixer 3, the input end of the fan 26 extends into the wind cavity 24, air can be drawn into the wind cavity 24, and then blown to the raw materials in the mixing tank 4 through the plurality of exhaust holes 25, to dry them and make them less prone to moisture, a limiting groove 19 is provided inside the mixing box 1 and on both sides corresponding to the mixing cavity 2, a limiting block 20 is slidably connected inside the limiting groove 19, a sieve plate 21 is fixedly connected between the two limiting blocks 20, to facilitate secondary screening of the raw materials to make them more delicate, a vibration motor 22 is installed inside the limiting groove 19, the output end of the vibration motor 22 is connected to the limiting block 20, to drive the limiting block 20 and the sieve plate 21 to vibrate, to speed up the screening of the raw materials by the sieve plate 21,A discharge pipe 23 is connected to one side of the mixing box 1 and located at the bottom of the limiting groove 19. One end of the discharge pipe 23 extends into the mixing chamber 2 to facilitate the discharge of raw materials. A movable plate support leg 28 is installed at the bottom of the mixing box 1 to facilitate the movement of the mixing box 1.

[0022] In summary, when the mixer for construction engineering is used, after the construction raw materials are fed into the stirring tank 4 in the stirrer 3 through the feed hopper 6 and the feed port 5, the first motor 8 drives the stirrer 3 to rotate, so that the raw materials are turned over, and the second motor 9 drives the stirring shaft 7 in the stirring tank 4 to rotate. After the raw materials are stirred and mixed, since the outer wall of the stirrer 3 is covered with a sliding sealing cover 15, the sieve port 10 and the discharge port 11 are closed, and the outer teeth 16 of the sealing cover 15 are meshed with the gear 18 on one side of the support frame 17, so that the third motor 27 drives the gear 18 Rotation can drive the sealing cover 15 to slide and move, open the sieve port 10, and the agitator 3 continues to rotate. The raw materials in the mixing tank 4 are screened by the screen 12 in the sieve port 10 and discharged into the mixing chamber 2 of the mixing box 1. At the same time, the sieve plate 21 screens these raw materials for the second time and discharges them from the discharge pipe 23. Similarly, after the end, when the agitator 3 is cleaned, the third motor 27 drives the gear 18 to rotate in the opposite direction, causing the sealing cover 15 to slide in the opposite direction, opening the discharge port 11 on the agitator 3, and coordinating with the flipping of the agitator 3 to discharge the waste residue in the mixing tank 4.

[0023] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A mixer for construction engineering, comprising a mixing box (1), characterized in that: The mixing box (1) has a mixing chamber (2) formed inside, a stirrer (3) is rotatably connected inside the mixing chamber (2), a stirring tank (4) is formed inside the stirrer (3), a feed port (5) is formed inside the stirrer (3) and at one end of the stirring tank (4), a feed hopper (6) is installed on one side of the mixing box (1), one end of the feed hopper (6) is aligned with the feed port (5), a stirring shaft (7) is rotatably connected inside the stirring tank (4), a first motor (8) and a second motor (9) are respectively installed on a side of the mixing box (1) away from the feed hopper (6) and on the inner wall of the stirrer (3), the output ends of the first motor (8) and the second motor (9) are respectively fixedly connected to the stirrer (3) and the stirring shaft (7), the inside of the stirrer (3) and A sieve opening (10) and a discharge opening (11) are respectively provided on two sides corresponding to the stirring tank (4), a sieve (12) is installed inside the sieve opening (10), a convex chute (13) is provided inside the stirrer (3) and on one side of the sieve opening (10) and the discharge opening (11), a convex slide groove (13) is slidably connected to the inside of the convex slide groove (13), a sealing cover (15) is connected to one side of the convex slide groove (13), the inner wall of the sealing cover (15) is in contact with the outer wall of the stirrer (3), a plurality of teeth (16) are installed on the outer side of the sealing cover (15), a support frame (17) is installed on one side of the stirrer (3), a gear (18) is rotatably connected to one side of the support frame (17), and the gear (18) is respectively meshed with the plurality of teeth (16).

2. A mixer for construction engineering according to claim 1, characterized in that: Limiting grooves (19) are provided inside the mixing box (1) and on both sides corresponding to the mixing chamber (2), and limiting blocks (20) are slidably connected inside the limiting grooves (19), and a sieve plate (21) is fixedly connected between the two limiting blocks (20).

3. A mixer for construction engineering according to claim 2, characterized in that: A vibration motor (22) is installed inside the limiting groove (19), and an output end of the vibration motor (22) is connected to the limiting block (20).

4. A mixer for construction engineering according to claim 2, characterized in that: A discharge pipe (23) is connected to one side of the mixing box (1) and located at the bottom of the limiting groove (19), and one end of the discharge pipe (23) extends into the mixing chamber (2).

5. A mixer for construction engineering according to claim 1, characterized in that: A third motor (27) is fixedly mounted inside the support frame (17), and an output end of the third motor (27) is connected to the gear (18).

6. A mixer for construction engineering according to claim 1, characterized in that: An air cavity (24) is provided inside the stirrer (3) and located on one side of the stirring tank (4); a plurality of exhaust holes (25) are provided inside the stirrer (3) and located between the air cavity (24) and the stirring tank (4); a fan (26) is installed on the outer wall of the stirrer (3); an input end of the fan (26) extends into the air cavity (24).

7. A mixer for construction engineering according to claim 1, characterized in that: The bottom of the mixing box (1) is provided with movable plate legs (28).

Images