Concrete stirring device for building construction

By designing structures such as feeding pipes, screening boxes and servo motors in the concrete mixing device, the automatic filtration of raw materials and the convenient discharge of waste materials are achieved, which solves the problem of difficulty in screening raw materials in traditional devices, and improves the mixing efficiency and convenience.

CN119159680AInactive Publication Date: 2024-12-20宋宝亮
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Patent Information

Application Number
CN202411502163.X
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-10-25
Publication Date
2024-12-20
Estimated Expiration
Not applicable · inactive patent

AI Technical Summary

Technical Problem

It is difficult for traditional concrete mixing devices to screen raw materials, resulting in a single use effect and requires manual improvement by staff.

Method used

A device including feeding pipe, screening box, filter plate, ejection rod and elastic rope is designed. Automatic filtering and screening of raw materials is achieved through electric slide rails and telescopic motors. The servo motor and push rod in the screening box are used for waste materials. The discharge pipe and electric telescopic rod are used for convenient discharge of concrete.

Benefits of technology

It improves the filtration efficiency of raw materials, realizes automatic screening of raw materials and convenient discharge of waste, simplifies the operation of staff, and improves the efficiency and convenience of concrete mixing.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention relates to the technical field of building construction, and particularly discloses a concrete stirring device for building construction, which comprises a stirring machine main body, a feeding pipe is fixedly connected to the top of the surface of the stirring machine main body, an injection pipe is fixedly connected to the top end of the feeding pipe, and a sleeving box is fixedly connected to one side of the surface of the feeding pipe. Connecting boxes are fixedly connected to the two sides of the sleeving box; through arrangement of a feeding pipe, a connecting sliding block, a screening frame, a filtering plate, an ejection rod and an elastic rope, during use, raw materials are added to the top end of the feeding pipe through an injection pipe and filtered through the filtering plate, the output end of a telescopic motor drives the ejection rod to stretch out and draw back, and the ejection rod drives a lap joint plate at the top end to shake the filtering plate; and the two sides of the inner wall of the screening frame pull the filtering plate through the elastic ropes, so that the filtering plate is controlled to shake and is automatically reset, and the effect of conveniently filtering materials is achieved.
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Description

Technical Field

[0001] The invention belongs to the technical field of building construction, and particularly relates to a concrete mixing device for building construction. Background Art

[0002] With the continuous development and progress of construction projects, the demand for concrete mixing devices is also increasing. Traditional concrete mixing methods have problems such as low efficiency and unstable quality. Therefore, modern concrete mixing devices came into being. These devices use advanced technical means to achieve efficient, uniform and automated concrete mixing, thus meeting the needs of modern construction.

[0003] In a Chinese patent with publication number CN115256639B, a concrete mixing device for construction is mentioned, which relates to the technical field of construction, specifically a concrete mixing device for construction, including a bottom plate, a limiting groove is provided on the top of the bottom plate, a central shaft is fixedly connected to the middle of the limiting groove, a supporting turntable is movably sleeved on the outside of the central shaft, a driving device is engaged on the side of the supporting turntable, a vibration device is fixedly installed on the top of the supporting turntable, a support frame is fixedly installed on the top of the vibration device, and a bearing seat is fixedly installed on the top of the support frame. The concrete mixing device for construction can drive the mixing drum to rotate by driving motor 2, so that the mixing drum can rotate along the X-axis, and then cooperate with the rotation of the Y-axis and the Z-axis to realize three-axis synchronous rotation mixing, so that the concrete mixing is more sufficient.

[0004] However, the above technical solution drives the mixing drum to rotate by driving motor 2, so that the mixing drum can rotate along the X-axis, and then cooperates with the rotation of the Y-axis and the Z-axis to realize three-axis synchronous rotation mixing. Although the above device can fully mix the concrete, the mixing components of the concrete are not the same. When adding materials, some raw materials need to be screened and processed, but the device is difficult to screen the raw materials, resulting in a single use effect of the device, so the staff needs to improve it. Summary of the invention

[0005] The object of the present invention is to provide a concrete mixing device for construction to solve the problems raised in the above background technology.

[0006] To achieve the above object, the present invention provides the following technical solutions:

[0007] A concrete mixing device for building construction, comprising:

[0008] Mixer body;

[0009] A feeding pipe is fixedly connected to the top of the main body surface of the mixer, an injection pipe is fixedly connected to the top of the feeding pipe, and a socket box is fixedly connected to one side of the surface of the feeding pipe;

[0010] Both sides of the socket box are fixedly connected with a connecting box, one side of the inner wall of the connecting box is fixedly connected with an electric slide rail, one side of the inner wall of the electric slide rail is slidably connected with a connecting slider, one side of the surface of the connecting slider is fixedly connected with a connecting plate, one side of the surface of the connecting plate is fixedly connected with a screening frame, one side of the inner wall of the screening frame is rotatably connected with a filter plate via a rotating shaft, the other side of the inner wall of the screening frame is fixedly connected with a protective box, one side of the inner wall of the protective box is fixedly connected with a telescopic motor, an ejector rod is installed at the output end of the telescopic motor, the top of the ejector rod is fixedly connected with a lap plate, and one side of the top of the lap plate is lapped at the bottom of the filter plate, both sides of the inner wall of the screening frame are fixedly connected with elastic ropes, and the tops of the two elastic ropes are fixedly connected to the bottom of the filter plate.

[0011] Preferably, a servo motor is fixedly connected to the bottom of the inner wall of the screening frame, a push rod is installed at the output end of the servo motor, and a baffle is rotatably connected to one side of the bottom of the feeding pipe through a damping shaft.

[0012] Preferably, a discharge pipe is fixedly connected to the bottom of the surface of the feeding pipe, and the top end of the discharge pipe is sleeved on one side of the baffle.

[0013] Preferably, a sleeve is fixedly connected to one side of the surface of the mixer body, a sliding block is slidably connected to the top of the inner wall of the sleeve, a water injection pipe is fixedly connected to one side of the bottom of the sliding block, and one side of the surface of the water injection pipe is inserted into the inner wall of the sleeve, and a connecting cover is rotatably connected to the front end of the sleeve.

[0014] Preferably, a mounting plate is fixedly connected to one side of the bottom of the mixer body, one side of the top of the mounting plate is arranged in an arc shape, and a discharge pipe is inserted through the middle of the bottom of the mounting plate.

[0015] Preferably, an electric telescopic rod is fixedly connected to one side of the inner wall of the mounting plate, a sealing plate is fixedly connected to the front end of the electric telescopic rod, and one side of the surface of the sealing plate is inserted into the inner wall of the discharge pipe, and support frames are fixedly connected around the bottom of the mounting plate.

[0016] Preferably, a driving motor is fixedly connected to the top of the inner wall of the mixer body, a transmission rod is installed at the output end of the driving motor, a driving gear is fixedly connected to the bottom end of the transmission rod, one side of the driving gear surface is meshed with a connecting gear, and one side of the connecting gear surface is meshed with a driving gear.

[0017] Preferably, a movable rod is fixedly connected to one side of the bottom of the transmission gear, a plurality of stirring rods are fixedly connected to one side of the surface of the movable rod, and one side of the surface of the stirring rod is plugged into the inner wall of the mixer body.

[0018] Preferably, an assembly frame is fixedly connected to one side of the surface of the mixer body, and a sealing door is rotatably connected to one side of the surface of the assembly frame.

[0019] Preferably, a controller is fixedly connected to the other side of the surface of the mixer body, and a control panel is electrically connected to one side of the surface of the controller.

[0020] Compared with the prior art, the present invention has the following beneficial effects:

[0021] (1) Through the arrangement of a feeding tube, a connecting slider, a screening frame, a filter plate, an ejector rod and an elastic rope, when in use, the top end of the feeding tube adds raw materials through the injection tube, and the raw materials are filtered through the filter plate. The output end of the telescopic motor drives the ejector rod to extend and retract, and the ejector rod drives the top lap plate to shake the filter plate, thereby facilitating the improvement of the efficiency of filtering the raw materials by the filter plate. The filter plate is pulled by elastic ropes on both sides of the inner wall of the screening frame, thereby controlling the shaking of the filter plate and automatically returning it to its original position, thereby achieving the effect of convenient filtering of the material and facilitating the operation of the staff.

[0022] (2) Through the arrangement of the screening frame, the push rod, the baffle and the discharge pipe, when in use, the push rod rotates to push the baffle at the bottom of the feeding pipe surface, thereby opening the baffle, so that the filtered waste is discharged through the discharge pipe outside the baffle, thereby achieving the effect of conveniently discharging the filtered waste and facilitating the operation of the staff.

[0023] (3) Through the arrangement of the discharge pipe, the electric telescopic rod, the sealing plate and the sealing door, when in use, the top of the mounting plate is arranged in an arc shape, thereby the mixed concrete can be gathered into the discharge pipe at the bottom of the mounting plate, and the electric telescopic rod drives the sealing plate at the front end to move, and the sealing plate is arranged inside the discharge pipe, thereby controlling the opening and closing of the discharge pipe. After the sealing door is opened, it is convenient for the staff to clean the residual concrete at the bottom of the mixer body, thereby achieving the effect of conveniently discharging concrete and cleaning concrete residues. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 A perspective view of the present invention;

[0025] Figure 2 A three-dimensional diagram of a feeding tube of the present invention;

[0026] Figure 3 A three-dimensional diagram of the screening frame of the present invention;

[0027] Figure 4 A three-dimensional diagram of the push rod of the present invention;

[0028] Figure 5 A three-dimensional diagram of the water injection pipe of the present invention;

[0029] Figure 6 is a three-dimensional diagram of the stirring rod of the present invention;

[0030] Figure 7 is a three-dimensional diagram of a sealing plate of the present invention;

[0031] In the figure: 1. mixer body; 2. feeding pipe; 3. injection pipe; 4. socket box; 5. connection box; 6. connecting slider; 7. connecting plate; 8. screening frame; 9. filter plate; 10. protection box; 11. telescopic motor; 12. ejector rod; 13. lap plate; 14. elastic rope; 15. servo motor; 16. push rod; 17. baffle; 18. discharge pipe; 19. socket tube; 20. sliding block; 21. water injection pipe; 22. connecting cover; 23. mounting plate; 24. discharge pipe; 25. electric telescopic rod; 26. sealing plate; 27. support frame; 28. drive motor; 29. ​​transmission rod; 30. drive gear; 31. connecting gear; 32. transmission gear; 33. movable rod; 34. stirring rod; 35. assembly frame; 36. sealing door; 37. controller. DETAILED DESCRIPTION

[0032] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments 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 creative work are within the scope of protection of the present invention.

[0033] Embodiment 1:

[0034] See also Figures 1 to 7 As shown, a concrete mixing device for construction, comprising:

[0035] Mixer body 1;

[0036] A feeding pipe 2 is fixedly connected to the top of the surface of the mixer body 1, an injection pipe 3 is fixedly connected to the top of the feeding pipe 2, and a socket box 4 is fixedly connected to one side of the surface of the feeding pipe 2;

[0037] Both sides of the socket box 4 are fixedly connected with a connecting box 5, one side of the inner wall of the connecting box 5 is fixedly connected with an electric slide rail, one side of the inner wall of the electric slide rail is slidably connected with a connecting slider 6, one side of the surface of the connecting slider 6 is fixedly connected with a connecting plate 7, one side of the surface of the connecting plate 7 is fixedly connected with a screening frame 8, one side of the inner wall of the screening frame 8 is rotatably connected with a filter plate 9 through a rotating shaft, the other side of the inner wall of the screening frame 8 is fixedly connected with a protective box 10, one side of the inner wall of the protective box 10 is fixedly connected with a telescopic motor 11, an ejector rod 12 is installed at the output end of the telescopic motor 11, the top of the ejector rod 12 is fixedly connected with a lap plate 13, and one side of the top of the lap plate 13 is lapped at the bottom of the filter plate 9, both sides of the inner wall of the screening frame 8 are fixedly connected with elastic ropes 14, and the tops of the two elastic ropes 14 are fixedly connected to the bottom of the filter plate 9.

[0038] When in use, a feeding tube 2 is arranged on the top of the surface of the mixer body 1, and raw materials are added to the top of the feeding tube 2 through the injection tube 3, and a socket box 4 is arranged on the top of the surface of the feeding tube 2, and electric slide rails are arranged on both sides of the socket box 4 through the connection box 5. The staff connects the electric slide rail to the power supply, and the electric slide rail drives the connecting slider 6 connected to the inner wall sliding to move, and the connecting slider 6 drives the connecting plate 7 on one side to move, and the connecting plate 7 drives the screening frame 8 on one side to move from the inside of the socket box 4 to the inside of the feeding tube 2, and the inner wall of the screening frame 8 is The filter plate 9 is rotatably arranged to filter the raw materials through the filter plate 9, and a telescopic motor 11 is arranged through a protective box 10 on one side of the inner wall of the screening frame 8. The staff connects the telescopic motor 11 to the power supply, and the output end of the telescopic motor 11 drives the ejector rod 12 to extend and retract, and the ejector rod 12 drives the top lap plate 13 to shake the filter plate 9, thereby facilitating the improvement of the efficiency of filtering the raw materials by the filter plate 9, and the filter plate 9 is pulled by elastic ropes 14 on both sides of the inner wall of the screening frame 8, thereby controlling the shaking of the filter plate 9 and automatically returning it to its original position.

[0039] Embodiment 2:

[0040] See also Figures 1 to 7 As shown, a servo motor 15 is fixedly connected to the bottom of the inner wall of the screening frame 8, a push rod 16 is installed at the output end of the servo motor 15, a baffle 17 is rotatably connected to one side of the bottom of the feeding tube 2 through a damping shaft, a discharge pipe 18 is fixedly connected to the bottom of the surface of the feeding tube 2, and the top end of the discharge pipe 18 is sleeved on one side of the baffle 17.

[0041] When in use, a servo motor 15 is provided on the inner bottom wall of the screening frame 8. The staff connects the servo motor 15 to a power source, and the output end of the servo motor 15 drives the push rod 16 to rotate. The push rod 16 rotates to push the baffle 17 at the bottom of the surface of the feeding tube 2, thereby opening the baffle 17, so that the filtered waste is discharged through the discharge pipe 18 outside the baffle 17.

[0042] Embodiment three:

[0043] See also Figures 1 to 7 As shown, a sleeve pipe 19 is fixedly connected to one side of the surface of the mixer body 1, a sliding block 20 is slidably connected to the top of the inner wall of the sleeve pipe 19, a water injection pipe 21 is fixedly connected to one side of the bottom of the sliding block 20, and one side of the surface of the water injection pipe 21 is plugged into the inner wall of the sleeve pipe 19, and a connecting cover 22 is rotatably connected to the front end of the sleeve pipe 19. When in use, the sliding block 20 is slidably connected to the surface of the mixer body 1 through the sleeve pipe 19, so that the sliding block 20 drives the bottom water injection pipe 21 to move inside the sleeve pipe 19, and the water injection pipe 21 pushes open the connecting cover 22 at the front end of the sleeve pipe 19, and the staff Water can be injected into the mixer body 1 through the water injection pipe 21. A mounting plate 23 is fixedly connected to one side of the bottom of the mixer body 1. One side of the top of the mounting plate 23 is arranged in an arc shape. A discharge pipe 24 is inserted through the middle of the bottom of the mounting plate 23. An electric telescopic rod 25 is fixedly connected to one side of the inner wall of the mounting plate 23. A sealing plate 26 is fixedly connected to the front end of the electric telescopic rod 25, and one side of the surface of the sealing plate 26 is inserted into the inner wall of the discharge pipe 24. Support frames 27 are fixedly connected to the four sides of the bottom of the mounting plate 23. A driving motor 28 is fixedly connected to the top of the inner wall of the mixer body 1. The driving motor 28 is fixedly connected to the top of the inner wall of the mixer body 1. A transmission rod 29 is installed at the output end of the mixer 28, and a driving gear 30 is fixedly connected to the bottom end of the transmission rod 29. A connecting gear 31 is meshedly connected to one side of the surface of the driving gear 30, and a transmission gear 32 is meshedly connected to one side of the surface of the connecting gear 31. A movable rod 33 is fixedly connected to one side of the bottom of the transmission gear 32. A plurality of stirring rods 34 are fixedly connected to one side of the surface of the movable rod 33, and one side of the surface of the stirring rod 34 is plugged into the inner wall of the mixer body 1. The staff connects the driving motor 28 to the power supply, and the output end of the driving motor 28 drives the transmission rod 29 to rotate, and the transmission rod 29 drives the bottom The driving gear 30 at the end rotates, and the driving gear 30 drives the connecting gear 31 meshing on the surface to rotate, and the connecting gear 31 drives the transmission gear 32 meshing on the surface to rotate, and the transmission gear 32 drives the movable rod 33 at the bottom to rotate, and the movable rod 33 drives the stirring rod 34 on the surface to rotate, and the stirring rod 34 is used to mix the raw materials. An assembly frame 35 is fixedly connected to one side of the surface of the mixer body 1, and a sealing door 36 is rotatably connected to one side of the surface of the assembly frame 35, and a controller 37 is fixedly connected to the other side of the surface of the mixer body 1, and a control panel is electrically connected to one side of the surface of the controller 37.

[0044] When in use, a mounting plate 23 is provided at the bottom of the mixer body 1, and the top of the mounting plate 23 is arranged in an arc shape, thereby the mixed concrete can be gathered into the discharge pipe 24 at the bottom of the mounting plate 23, and an electric telescopic rod 25 is provided on the inner wall of the mounting plate 23. When the staff connects the electric telescopic rod 25 to the power supply, the electric telescopic rod 25 drives the sealing plate 26 at the front end to move, and the sealing plate 26 is arranged inside the discharge pipe 24, thereby controlling the opening and closing of the discharge pipe 24, and a sealing door 36 is provided at the bottom of the surface of the mixer body 1 through an assembly frame 35. After the sealing door 36 is opened, it is convenient for the staff to clean the residual concrete at the bottom of the mixer body 1.

[0045] Embodiment 4:

[0046] See also Figures 1 to 7 As shown, in the process of making raw materials for concrete, larger particles are filtered out through the filtering structure in the feeding mechanism, making the produced concrete more excellent. The process is as follows:

[0047] The top of the feeding tube 2 is added with raw materials through the injection tube 3, the connecting plate 7 drives the screening frame 8 on one side to move from the inside of the socket box 4 to the inside of the feeding tube 2, and the raw materials are filtered through the filter plate 9. The push rod 16 rotates to push the baffle 17 at the bottom of the surface of the feeding tube 2, thereby opening the baffle 17, so that the filtered waste is discharged through the discharge pipe 18 outside the baffle 17, and the movable rod 33 drives the stirring rod 34 on the surface to rotate, and the stirring rod 34 is used to mix the raw materials. The stirred concrete can be gathered into the discharge pipe 24 at the bottom of the mounting plate 23 and discharged through the discharge pipe 24. A sealing door 36 is provided at the bottom of the surface of the mixer body 1 through the assembly frame 35. After the sealing door 36 is opened, the residual concrete at the bottom of the mixer body 1 is cleaned.

[0048] Working principle: when in use, raw materials are added to the top of the feeding tube 2 through the injection tube 3, the staff connects the electric slide rail to the power supply, the electric slide rail drives the connecting slider 6 connected to the inner wall sliding connection to move, the connecting slider 6 drives the connecting plate 7 on one side to move, the connecting plate 7 drives the screening frame 8 on one side to move from the inside of the socket box 4 to the inside of the feeding tube 2, and the raw materials are filtered through the filter plate 9. The staff connects the telescopic motor 11 to the power supply, the output end of the telescopic motor 11 drives the ejector rod 12 to extend and retract, and the ejector rod 12 drives the top lap plate 13 to shake the filter plate 9, thereby improving the efficiency of the filter plate 9 in filtering raw materials, and the filter plate 9 is pulled by the elastic rope 14 on both sides of the inner wall of the screening frame 8, thereby controlling the shaking of the filter plate 9 and automatically returning it to its position, and the staff connects the servo motor 15 to the power supply, When the power is turned on, the output end of the servo motor 15 drives the push rod 16 to rotate, and the push rod 16 rotates to push the baffle 17 at the bottom of the surface of the feeding tube 2, thereby opening the baffle 17, so that the filtered waste is discharged through the discharge pipe 18 outside the baffle 17, and the top of the mounting plate 23 is arranged in an arc shape, so that the mixed concrete can be gathered into the discharge pipe 24 at the bottom of the mounting plate 23. The staff connects the electric telescopic rod 25 to the power supply, and the electric telescopic rod 25 drives the sealing plate 26 at the front end to move, and the sealing plate 26 is arranged inside the discharge pipe 24, thereby controlling the opening and closing of the discharge pipe 24, and a sealing door 36 is arranged at the bottom of the surface of the mixer body 1 through the assembly frame 35. After the sealing door 36 is opened, it is convenient for the staff to clean the residual concrete at the bottom of the mixer body 1.

[0049] The standard parts used in the present invention can all be purchased from the market, and the special-shaped parts can be customized according to the description and the drawings. The specific connection methods of each part adopt conventional means such as mature bolts, rivets, welding, etc. in the prior art. The machinery, parts and equipment all adopt conventional models in the prior art, and the circuit connection adopts the conventional connection method in the prior art, which will not be described in detail here. The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field.

[0050] In the description of the present invention, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. "Multiple" means two or more, unless otherwise clearly and specifically defined.

[0051] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0052] In the present invention, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being "above", "above" or "above" a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being "below", "below" or "below" a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0053] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example" or "some examples" etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine the different embodiments or examples described in this specification and the features of the different embodiments or examples, unless they are contradictory.

[0054] In the drawings of the embodiments disclosed in the present invention, only the structures related to the embodiments disclosed in the present invention are involved, and other structures can refer to the general design. In the absence of conflict, the same embodiment and different embodiments of the present invention can be combined with each other.

[0055] Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A concrete mixing device for construction, characterized in that: include: Mixer body (1); A feeding pipe (2) is fixedly connected to the top of the surface of the mixer body (1), an injection pipe (3) is fixedly connected to the top of the feeding pipe (2), and a socket box (4) is fixedly connected to one side of the surface of the feeding pipe (2); Both sides of the socket box (4) are fixedly connected to a connection box (5); one side of the inner wall of the connection box (5) is fixedly connected to an electric slide rail; one side of the inner wall of the electric slide rail is slidably connected to a connection slider (6); one side of the surface of the connection slider (6) is fixedly connected to a connection plate (7); one side of the surface of the connection plate (7) is fixedly connected to a screening frame (8); one side of the inner wall of the screening frame (8) is rotatably connected to a filter plate (9) via a rotating shaft; the other side of the inner wall of the screening frame (8) is fixedly connected to a filter plate (9). A protective box (10) is provided, one side of the inner wall of the protective box (10) is fixedly connected to a telescopic motor (11), an ejector rod (12) is installed at the output end of the telescopic motor (11), the top end of the ejector rod (12) is fixedly connected to a lap plate (13), and one side of the top of the lap plate (13) is lapped to the bottom of a filter plate (9), and both sides of the inner wall of the screening frame (8) are fixedly connected to elastic ropes (14), and the top ends of the two elastic ropes (14) are fixedly connected to the bottom of the filter plate (9).

2. A concrete mixing device for construction according to claim 1, characterized in that: A servo motor (15) is fixedly connected to the bottom of the inner wall of the screening frame (8), a push rod (16) is installed at the output end of the servo motor (15), and a baffle (17) is rotatably connected to one side of the bottom of the feeding pipe (2) via a damping shaft.

3. A concrete mixing device for construction according to claim 1, characterized in that: The bottom of the surface of the feeding pipe (2) is fixedly connected with a discharge pipe (18), and the top end of the discharge pipe (18) is sleeved on one side of the baffle (17).

4. A concrete mixing device for construction according to claim 1, characterized in that: A sleeve tube (19) is fixedly connected to one side of the surface of the mixer body (1), a sliding block (20) is slidably connected to the top of the inner wall of the sleeve tube (19), a water injection pipe (21) is fixedly connected to one side of the bottom of the sliding block (20), and one side of the surface of the water injection pipe (21) is inserted into the inner wall of the sleeve tube (19), and a connecting cover (22) is rotatably connected to the front end of the sleeve tube (19).

5. A concrete mixing device for construction according to claim 1, characterized in that: A mounting plate (23) is fixedly connected to one side of the bottom of the mixer body (1), one side of the top of the mounting plate (23) is arranged in an arc shape, and a discharge pipe (24) is inserted through the middle of the bottom of the mounting plate (23).

6. A concrete mixing device for construction according to claim 5, characterized in that: An electric telescopic rod (25) is fixedly connected to one side of the inner wall of the mounting plate (23), a sealing plate (26) is fixedly connected to the front end of the electric telescopic rod (25), and one side of the surface of the sealing plate (26) is plugged into the inner wall of the discharge pipe (24), and support frames (27) are fixedly connected to the four sides of the bottom of the mounting plate (23).

7. A concrete mixing device for construction according to claim 1, characterized in that: A driving motor (28) is fixedly connected to the top of the inner wall of the mixer body (1); a transmission rod (29) is installed at the output end of the driving motor (28); a driving gear (30) is fixedly connected to the bottom end of the transmission rod (29); a connecting gear (31) is meshedly connected to one side of the surface of the driving gear (30); and a driving gear (32) is meshedly connected to one side of the surface of the connecting gear (31).

8. A concrete mixing device for construction according to claim 7, characterized in that: A movable rod (33) is fixedly connected to one side of the bottom of the transmission gear (32), a plurality of stirring rods (34) are fixedly connected to one side of the surface of the movable rod (33), and one side of the surface of the stirring rod (34) is inserted into the inner wall of the mixer body (1).

9. A concrete mixing device for construction according to claim 1, characterized in that: One side of the surface of the mixer body (1) is fixedly connected to an assembly frame (35), and one side of the surface of the assembly frame (35) is rotatably connected to a sealing door (36).

10. A concrete mixing device for construction according to claim 1, characterized in that: A controller (37) is fixedly connected to the other side of the surface of the mixer body (1), and a control panel is electrically connected to one side of the surface of the controller (37).