Concrete stirring device with uniform stirring function

Abstract

The utility model relates to the technical field of concrete mixing, and provides a uniform mixing concrete mixing device which comprises a mixing box and a plurality of stand columns, the stand columns are all fixed at the bottom of the mixing box, a washing assembly is arranged outside the mixing box, the stand columns are fixed on two opposite end faces outside the mixing box, and a screening mixing assembly is arranged inside the mixing box. The telescopic hydraulic cylinder is installed in the stand column, the output end of the telescopic hydraulic cylinder is connected with a transverse frame, a driving motor is installed on the transverse frame, and a stirrer is arranged at the output end of the driving motor. By means of the technical scheme, the problems that in the related technology, a traditional plain-end concrete mixer generally does not have the function of screening materials, the materials need to be screened in advance and then put into the mixer, the number of procedures is large, much manual operation is needed, and the interior is inconvenient to wash are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of concrete mixing, in particular to a concrete mixing device for uniform mixing. Background Art

[0002] A concrete mixer is a machine that mixes cement, sand and gravel aggregate, and water to create a concrete mixture. It primarily consists of a mixing drum, loading and unloading mechanisms, a water supply system, a prime mover, a transmission mechanism, a frame, and a support device. Based on the nature of its operation, it can be classified into intermittent (batch) and continuous types; based on the mixing principle, it can be classified into free-fall and forced types; based on the installation method, it can be classified into fixed and mobile types; based on the discharge method, it can be classified into tilting and non-tilting types; and based on the mixing drum structure, it can be classified into pear-type, drum-type, double-cone, disc-type vertical shaft, and circular-trough horizontal shaft types. Flat-head concrete mixing equipment is also a type of mixer.

[0003] Traditional flat concrete mixers usually do not have the function of screening materials. The materials need to be screened in advance before being put into the mixer. There are many processes, more manpower is required for operation, and it is inconvenient to flush the interior.

[0004] Therefore, improvements are made to address the above problems. Utility Model Content

[0005] The utility model provides a concrete mixing device for uniform mixing, which solves the problem that traditional flat-mouth concrete mixers in the related art usually do not have the function of screening materials, and the materials need to be screened in advance before being put into the mixer, which has many processes, requires more manpower to operate, and is inconvenient to flush the inside.

[0006] The technical solution of the utility model is as follows:

[0007] A mixing box and a plurality of support legs, wherein the support legs are fixed to the bottom of the mixing box;

[0008] A flushing assembly, the flushing assembly being arranged outside the mixing tank;

[0009] A pair of columns and a screening and stirring assembly, wherein the columns are fixed to opposite end surfaces outside the stirring box, and the screening and stirring assembly is arranged inside the stirring box;

[0010] The screening and stirring assembly includes a pair of telescopic hydraulic cylinders, which are installed in the columns. The output ends of the telescopic hydraulic cylinders are connected to a cross frame, a drive motor is installed on the cross frame, and an agitator is provided at the output end of the drive motor.

[0011] As a further technical solution, a discharge port is provided at the bottom of the mixing box, a blocking convex layer is provided at the bottom of the agitator, a plurality of sub-frames are provided on the surface of the agitator, and an inner plate is fixedly connected to the bottom of the cross frame.

[0012] As a further technical solution, a groove is provided on the surface of the inner plate, a screening hole is provided in the groove, an outer ring groove is provided on one side of the bottom of the cross frame, a rotating sleeve is rotatably connected in the outer ring groove, and a second motor is installed on the surface of the cross frame.

[0013] As a further technical solution, a driving gear is provided at the output end of the second motor, an external gear is provided around the outer surface of the rotating sleeve, the driving gear is meshed with the external gear, and a push plate is provided on the side end face of the rotating sleeve, and the push plate is located in the groove.

[0014] As a further technical solution, the flushing assembly includes an inner pipe, which is arranged on the inner wall of the mixing box. Several flushing nozzles are provided on the surface of the inner pipe. An external pipe is provided on the outer surface of the mixing box, and the external pipe is connected to the inner pipe.

[0015] As a further technical solution, a material receiving hopper is provided at the bottom of the mixing box, the material receiving hopper has a certain inclination angle, and the material receiving hopper is an open structure.

[0016] As a further technical solution, the agitators are distributed in a herringbone structure, and the cross section of the agitator is a triangular structure.

[0017] As a further technical solution, the discharge outlet is an inclined opening structure, and the blocking convex layer matches the discharge outlet structure.

[0018] As a further technical solution, the push plate is a tooth-shaped opening structure.

[0019] The working principle and beneficial effects of the utility model are as follows:

[0020] 1. The utility model is provided with a screening and stirring assembly. Through the interaction of the telescopic hydraulic cylinder, cross frame, stirrer, blocking convex layer, sub-frame, screening hole and push plate and other structures, the material can be put into the groove of the inner plate, and the push plate is repeatedly pushed down to screen the material through the screening hole into the mixing box, which can save screening time. The stirrer and sub-frame are used for sufficient stirring. The discharge port can be opened when the stirrer is raised to quickly discharge the material.

[0021] 2. The utility model is provided with a flushing component. Through the interaction of the internal pipe, the flushing nozzle and the external pipe and other structures, the inside of the mixing box can be directly flushed through multiple flushing nozzles, which can save flushing time and has a good flushing and cleaning effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] The present invention will be further described in detail below with reference to the accompanying drawings and specific implementation methods.

[0023] Figure 1 This is a schematic diagram of the structure of the utility model;

[0024] Figure 2 This is the axonometric drawing of the utility model;

[0025] Figure 3 This is a cross-sectional view of the utility model;

[0026] Figure 4 For this utility model Figure 3 A partial enlarged view of part A;

[0027] In the figure: 1. Mixing box; 2. Column; 3. Column; 4. Screening and mixing assembly; 4-1. Telescopic hydraulic cylinder; 4-2. Cross frame; 4-3. Driving motor; 4-4. Agitator; 4-5. Discharge outlet; 4-6. Blocking convex layer; 4-7. Sub-frame; 4-8. Inner plate; 4-9. Groove; 4-10. Screening hole; 4-11. Outer ring groove; 4-12. Rotating sleeve; 4-13. Second motor; 4-14. Driving gear; 4-15. Outer gear; 4-16. Pushing plate; 5. Flushing assembly; 5-1. Inner pipe; 5-2. Flushing nozzle; 5-3. External pipe; 6. Receiving hopper. DETAILED DESCRIPTION

[0028] The following will be combined with the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0029] like Figures 1 to 4 As shown, this embodiment proposes a concrete mixing device for uniform mixing, comprising

[0030] A mixing box 1 and a plurality of support legs 2, wherein the support legs 2 are fixed to the bottom of the mixing box 1;

[0031] A flushing component 5 is provided outside the mixing box 1;

[0032] A pair of columns 3 and a screening and stirring assembly 4, the columns 3 are fixed to opposite end surfaces outside the stirring box 1, and the screening and stirring assembly 4 is arranged inside the stirring box 1;

[0033] The screening and stirring assembly 4 includes a pair of telescopic hydraulic cylinders 4-1, which are installed in the column 3. The output end of the telescopic hydraulic cylinder 4-1 is connected to a cross frame 4-2, on which a drive motor 4-3 is installed. The output end of the drive motor 4-3 is provided with a stirrer 4-4. A discharge port 4-5 is provided at the bottom of the mixing box 1, a blocking convex layer 4-6 is provided at the bottom of the stirrer 4-4, and a plurality of sub-frames 4-7 are provided on the surface of the stirrer 4-4. The bottom of the cross frame 4-2 is fixedly connected to an inner plate 4-8, and a groove 4-9 is provided on the surface of the inner plate 4-8. A screening hole 4-10 is provided in the groove 4-9, an outer ring groove 4-11 is provided on one side of the bottom of the cross frame 4-2, and a rotating sleeve 4-12 is rotatably connected in the outer ring groove 4-11. A second motor 4-13 is installed on the surface of the cross frame 4-2, and a driving gear 4-14 is provided at the output end of the second motor 4-13. An external gear 4-15 is provided around the outer surface of the rotating sleeve 4-12, and the driving gear 4-14 is engaged with the external gear 4-15. A push plate 4-16 is provided on the side end face of the rotating sleeve 4-12, and the push plate 4-16 is located in the groove 4-9.

[0034] In this embodiment, in order to achieve the effect of screening the materials and then putting them into mixing, a screening and mixing component 4 is designed. A telescopic hydraulic cylinder 4-1 is installed in each of the two columns 3. The output end of the telescopic hydraulic cylinder 4-1 is connected to a cross frame 4-2. A drive motor 4-3 is installed on the cross frame 4-2. A stirrer 4-4 is provided at the output end of the drive motor 4-3. The stirrer 4-4 can rotate in the mixing box 1. A sub-frame 4-7 is provided on the stirrer 4-4 to enhance the mixing effect. A discharge port 4-5 is provided at the bottom of the mixing box 1. A blocking convex layer 4-6 is provided at the bottom of the stirrer 4-4, which can block the discharge port 4-5 and keep it rotating. The discharge port 4-5 can be opened by controlling the cross frame 4-2 to be raised by the telescopic hydraulic cylinder 4-1. An inner plate 4-8 is fixed to the bottom of the cross frame 4-2 , a sunken groove 4-9 is provided on the surface of the inner plate 4-8, and a screening hole 4-10 is provided inside the groove 4-9, which can be used to screen the input material. A second motor 4-13 is installed on the cross frame 4-2, and a driving gear 4-14 is provided at the output end of the second motor 4-13. An outer ring groove 4-11 is provided around the bottom of the cross frame 4-2, and a rotating sleeve 4-12 is provided in the outer ring groove 4-11 and an external gear 4-15 is provided on the surface. The external gear 4-15 is meshed with the driving gear 4-14, and the rotating sleeve 4-12 can be controlled by the second motor 4-13 to rotate and move in the outer ring groove 4-11. A pushing plate 4-16 is provided on the side end face of the rotating sleeve 4-12, and the pushing plate 4-16 is located in the groove 4-9, and can push the material to accelerate screening by repeated movement.

[0035] Furthermore, the flushing component 5 includes an inner pipe 5-1, which is arranged on the inner wall of the mixing box 1. Several flushing nozzles 5-2 are arranged on the surface of the inner pipe 5-1. An external pipe 5-3 is arranged on the outer surface of the mixing box 1, and the external pipe 5-3 is connected to the inner pipe 5-1.

[0036] In this embodiment, in order to achieve the effect of internal flushing, a flushing component 5 is designed. An internal pipe 5-1 and multiple flushing nozzles 5-2 are provided on the inside of the mixing box 1, and an external pipe 5-3 is provided on the outside. The external pipe 5-3 is used to connect to the water supply equipment, and water can be sprayed into the interior of the mixing box 1 through the flushing nozzle 5-2, and water can also be injected.

[0037] Furthermore, a receiving hopper 6 is provided at the bottom of the mixing box 1. The receiving hopper 6 has a certain inclination angle and is an open structure.

[0038] In this embodiment, a receiving hopper 6 with an inclined angle is installed to slide the concrete outward and facilitate flushing of the opening structure.

[0039] Furthermore, the agitators 4 - 4 are distributed in a herringbone structure, and the cross section of the agitator 4 - 4 is a triangular structure.

[0040] In this embodiment, the triangular structure with a herringbone distribution can achieve a good pushing and stirring effect when the stirrer 4 - 4 rotates.

[0041] Furthermore, the discharge port 4-5 is an inclined opening structure, and the blocking convex layer 4-6 matches the structure of the discharge port 4-5.

[0042] In this embodiment, the opening diameter of the discharge port 4-5 is increased by the inclined opening structure, so that the concrete can be fully discharged outwards.

[0043] Furthermore, the push plate 4-16 is a tooth-shaped opening structure.

[0044] In this embodiment, the tooth-shaped opening structure has a better effect on dispersing the material during movement.

[0045] When mixing is required, the material is put into the groove 4-9 of the inner plate 4-8, and the second motor 4-13 is started to control the push plate 4-16 to repeatedly push the material in the groove 4-9. The material is screened through the screening hole 4-10 and falls into the mixing box 1. Water can be poured directly, or the flushing nozzle 5-2 can be started to add water. Then the drive motor 4-3 is started to control the stirrer 4-4 to start stirring the concrete. After the mixing is completed, the telescopic hydraulic cylinder 4-1 is started to lift the stirrer 4-4 and the inner plate 4-8 upward, and the discharge port is opened. The material flows into the receiving hopper 6 through the discharge port 4-5, and then is discharged outward through the inclination angle of the receiving hopper 6. When flushing, the flushing nozzle 5-2 can be started.

[0046] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A concrete mixing device for uniform mixing, characterized in that: include A mixing box (1) and a plurality of support legs (2), wherein the support legs (2) are all fixed to the bottom of the mixing box (1); A flushing assembly (5), the flushing assembly (5) being arranged outside the mixing box (1); A pair of columns (3) and a screening and stirring assembly (4), wherein the columns (3) are fixed to opposite end surfaces outside the stirring box (1), and the screening and stirring assembly (4) is arranged inside the stirring box (1); The screening and stirring assembly (4) comprises a pair of telescopic hydraulic cylinders (4-1), the telescopic hydraulic cylinders (4-1) being installed in the upright column (3), the output end of the telescopic hydraulic cylinder (4-1) being connected to a cross frame (4-2), a driving motor (4-3) being installed on the cross frame (4-2), and a stirrer (4-4) being provided at the output end of the driving motor (4-3).

2. A concrete mixing device for uniform mixing according to claim 1, characterized in that: The bottom of the mixing box (1) is provided with a discharge port (4-5), the bottom of the stirrer (4-4) is provided with a blocking convex layer (4-6), the surface of the stirrer (4-4) is provided with a plurality of sub-frames (4-7), and the bottom of the cross frame (4-2) is fixedly connected with an inner plate (4-8).

3. A concrete mixing device for uniform mixing according to claim 2, characterized in that: A groove (4-9) is provided on the surface of the inner plate (4-8), a screening hole (4-10) is provided in the groove (4-9), an outer ring groove (4-11) is provided on one side of the bottom of the cross frame (4-2), a rotating sleeve (4-12) is rotatably connected in the outer ring groove (4-11), and a second motor (4-13) is installed on the surface of the cross frame (4-2).

4. A concrete mixing device for uniform mixing according to claim 3, characterized in that: A driving gear (4-14) is provided at the output end of the second motor (4-13); an external gear (4-15) is provided around the outer surface of the rotating sleeve (4-12); the driving gear (4-14) is meshed with the external gear (4-15); a push plate (4-16) is provided on the side end surface of the rotating sleeve (4-12); and the push plate (4-16) is located in the groove (4-9).

5. A concrete mixing device for uniform mixing according to claim 1, characterized in that: The flushing assembly (5) comprises an inner pipe (5-1), the inner pipe (5-1) being arranged on the inner wall of the mixing box (1), a plurality of flushing nozzles (5-2) being arranged on the surface of the inner pipe (5-1), and an external pipe (5-3) being arranged on the outer surface of the mixing box (1), the external pipe (5-3) being connected to the inner pipe (5-1).

6. A concrete mixing device for uniform mixing according to claim 1, characterized in that: A material receiving hopper (6) is provided at the bottom of the mixing box (1); the material receiving hopper (6) has a certain inclination angle and is an open structure.

7. A concrete mixing device for uniform mixing according to claim 1, characterized in that: The stirrers (4-4) are distributed in a herringbone structure, and the cross section of the stirrer (4-4) is a triangular structure.

8. A concrete mixing device for uniform mixing according to claim 2, characterized in that: The discharge port (4-5) is an inclined opening structure, and the blocking convex layer (4-6) matches the structure of the discharge port (4-5).

9. A concrete mixing device for uniform mixing according to claim 4, characterized in that: The pusher plate (4-16) is a tooth-shaped opening structure.

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