Stirring device for preparing high-compatibility concrete

By using a drive motor to drive the combined motion of the hopper bottom plate and the mixing shaft, along with an open-top feeding design, the problems of poor feeding and dead zones in the closed mixing drum are solved, achieving a highly efficient and dust-free concrete preparation process.

CN223558712UActive Publication Date: 2025-11-18TONGLU HONGJIYUAN CONCRETE CO LTD
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Patent Information

Application Number
CN202422758994.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-12
Publication Date
2025-11-18
Estimated Expiration
2034-11-12

AI Technical Summary

Technical Problem

In the existing technology, the closed mixing tank is not conducive to the rapid feeding process, which can easily lead to raw material blockage. In addition, the servo motor drives the mixing frame and mixing rod to rotate in one direction, resulting in disordered and limited material movement, which seriously restricts the efficiency of concrete preparation.

Method used

The system uses a drive motor to rotate the bottom plate of the silo, which in turn drives multiple mixing shafts to revolve synchronously around the central axis. The transmission gears roll along the internal gear ring, causing the mixing shafts to rotate on their own axis while revolving around the central axis. The mixing blades are arranged in an alternating pattern, and the drive motor can rotate in both directions to switch the mixing direction. It also features an open-type feeding system and a spray dust suppression design.

Benefits of technology

It improves the mixing efficiency of concrete raw materials during the mixing process, avoids mixing dead zones, ensures smooth material feeding, reduces dust, and improves the efficiency and quality of concrete preparation.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a stirring device for preparing high-compatibility concrete, and relates to the technical field of concrete preparation, the stirring device comprises a supporting base, the upper end of the supporting base is provided with a dust removal stock bin, the bottom of the supporting base is provided with a driving motor, the output end of the driving motor extends into the dust removal stock bin and is fixedly provided with a stock bin bottom plate, and the dust removal stock bin is provided with a dust removal hopper. A plurality of stirring shafts are arranged on the stock bin bottom plate at equal intervals, and a synchronous assembly is in transmission connection between the stirring shafts and the dust removal stock bin, so that the driving motor drives the stirring shafts to synchronously stir concrete in the dust removal stock bin, and the driving motor drives the stock bin bottom plate to rotate; the material bin bottom plate drives the multiple stirring shafts to synchronously revolve around the central axis of the dust removal material bin, the transmission gear rolls along the inner gear ring, the stirring shafts rotate while keeping revolution, and the stirring blades can stir concrete raw materials to be mixed in the dust removal material bin. And the disordered movement of the concrete raw materials in the dust removal bin is more sufficient.
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Description

TECHNICAL FIELD

[0001] The utility model relates to concrete preparation technical field especially is a kind of stirring device for high compatibility concrete preparation. BACKGROUND

[0002] High compatibility concrete refers to the preparation process of concrete, each component material has good compatibility, can ensure that the performance of concrete reaches the expected goal, which includes the interaction between cement, mineral admixture, aggregate, water and admixture, these raw materials can include cement, iron powder, aggregate, expanded perlite, rhyolite powder, coal cinder, vermiculite, compatible toughening agent and super retarder etc., these components jointly act, improve the compressive strength of concrete, reduce air content, reduce the formation of hollow, prevent the risk of collapse and loss, this kind of concrete because of its excellent performance, such as high strength and good durability, can be widely used in construction, transportation, water conservancy and national defense etc.

[0003] Chinese patent publication No.202221647938.9 discloses a dust removal device for building concrete mixing, comprising a base, a controller, a fixed seat, an inlet and a stirring barrel, the top of the base is provided with a stirring barrel, the top of the base is fixedly connected with a fixed seat at the left and right ends of the stirring barrel, the top of the stirring barrel is provided with two groups of inlets, the inlets are fixedly connected with the two groups of fixed seats respectively, the top of the stirring barrel is provided with a water outlet pipe, the front end of the base is provided with a storage box, through the cooperation between the base, the stirring barrel, the inlet, the water outlet pipe and the motor seat, the dust generated during the stirring process of concrete can be completely enclosed in the stirring barrel, and the dust will not fly, effectively improving the health of workers during the concrete stirring process, the above-mentioned technology is not conducive to the rapid addition of material in the closed stirring barrel, which can easily cause the blockage of raw materials, and the servo motor drives the stirring frame and the stirring rod to rotate unidirectionally, which limits the disordered movement of the material, and seriously limits the efficiency of concrete preparation, therefore, the utility model discloses a stirring device for high compatibility concrete preparation is used to solve the above-mentioned problems. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a stirring device for high compatibility concrete preparation to solve the problem that the stirring of material in the closed stirring barrel is not conducive to the rapid addition of material, which can easily cause the blockage of raw materials, and the servo motor drives the stirring frame and the stirring rod to rotate unidirectionally, which limits the disordered movement of the material, and seriously limits the efficiency of concrete preparation.

[0005] To achieve the above-mentioned purpose, the technical problem of the utility model is solved by the following scheme:

[0006] The utility model provides a high compatibility concrete preparation stirring device, including support base, the upper end of support base is installed with dust removal bin, the bottom of support base is installed with drive motor, the output of drive motor extends to dust removal bin inside fixed bin floor, a plurality of stirring shafts are equally arranged on bin floor, and synchronous assembly is transmissionally connected between stirring shaft and dust removal bin, so that drive motor drives a plurality of stirring shafts synchronous stirring concrete in dust removal bin.

[0007] As a further scheme of the utility model, the upper portion of the dust removal bin is provided with a charging port, and a fitting port is formed in the middle portion of the bottom wall of the dust removal bin.

[0008] As a further scheme of the utility model, the stirring shafts are rotatably embedded in the bin floor, and a plurality of stirring blades are fixedly connected to the outer wall of the portion of the stirring shafts above the bin floor, and the stirring blades on the two stirring shafts are arranged alternately.

[0009] As a further scheme of the utility model, the synchronous assembly comprises an internal gear ring fixed to the inner wall of the fitting port and a transmission gear fixed to the bottom end of the stirring shaft, and the transmission gears are in meshing connection with the internal gear ring.

[0010] As a further scheme of the utility model, a shunt pipe is fixedly sleeved to the outer side of the dust removal bin, a plurality of spray pipes are fixedly embedded to the upper side of the shunt pipe, a plurality of spray holes are formed in the side of the spray pipes facing the dust removal bin, and the shunt pipe is communicated with a liquid feeding pipe.

[0011] As a further scheme of the utility model, a discharge pipe is fixedly embedded to the bottom side of the dust removal bin, and a sealing plug is threadedly connected to the end portion of the outer side of the discharge pipe.

[0012] As a further scheme of the utility model, the support base comprises four support columns fixed to the bin floor of the dust removal bin, a support platform is fixedly connected between the four support columns, and the drive motor is fixed to the middle portion of the support platform.

[0013] Compared with the prior art, the utility model has the advantages that:

[0014] 1. The utility model discloses a high compatibility concrete preparation stirring device, the drive motor drives the bin floor to rotate, the bin floor drives a plurality of stirring shafts to revolve around the central axis of the dust removal bin synchronously, the transmission gear rolls along the internal gear ring, so that the stirring shafts revolve while rotating, and the stirring blades can stir the concrete raw materials in the dust removal bin, compared with the traditional single-shaft stirring equipment, the disordered movement of the concrete raw materials in the dust removal bin is more sufficient, and the mixing efficiency is effectively improved.

[0015] 2. This utility model provides a mixing device for preparing highly compatible concrete. The drive motor rotates in the forward direction for a certain period of time and then reverses to the reverse direction. The direction of revolution and rotation of the mixing blades in the dust removal hopper can be switched, which avoids the problem of dead corners caused by unidirectional mixing and effectively ensures the mixing effect.

[0016] 3. The present invention provides a mixing device for preparing highly compatible concrete. The dust removal hopper adopts an open structure, which makes feeding more convenient. Cold water is pumped into the distribution pipe and sprayed out from each spray hole, which can play a role in dust suppression and avoid dust problems in the concrete preparation process. Attached Figure Description

[0017] The present invention will be further described below with reference to the accompanying drawings and embodiments:

[0018] Figure 1 This is an external view of a mixing device for preparing highly compatible concrete according to this utility model;

[0019] Figure 2 This is a side sectional view of a mixing device for preparing highly compatible concrete according to this utility model;

[0020] Figure 3 This is a bottom cross-sectional view of a mixing device for preparing highly compatible concrete according to the present invention.

[0021] Figure 4 This utility model provides a mixing device for preparing highly compatible concrete. Figure 1 Enlarged view of the structure at point A in the image;

[0022] Figure 5 This utility model provides a mixing device for preparing highly compatible concrete. Figure 2 Enlarged view of the structure at point B;

[0023] Figure 6 This is a structural diagram of the mixing shaft in a mixing device for preparing highly compatible concrete according to this utility model.

[0024] The attached diagram lists the components represented by each number as follows:

[0025] 1. Support base; 11. Support column; 12. Support platform; 2. Dust collection hopper; 21. Feed port; 22. Assembly port; 23. Diverter pipe; 24. Spray pipe; 25. Spray hole; 26. Liquid filling pipe; 27. Discharge pipe; 28. Sealing plug; 3. Drive motor; 4. Hopper bottom plate; 5. Agitator shaft; 51. Agitator blade; 6. Synchronization assembly; 61. Internal gear ring; 62. Transmission gear. Detailed Implementation

[0026] The present invention will be further described below with reference to the embodiments.

[0027] Referring to Figures 1-6 The utility model provides a kind of high compatibility concrete preparation with stirring device, including support base 1, the bottom side of dust removal bin 2 is fixedly embedded with discharge pipe 27, the end outside of discharge pipe 27 is threadedly connected with sealing plug 28;

[0028] Specifically, the role of sealing plug 28 is to close the outlet of discharge pipe 27 when not needing to discharge, prevent concrete raw materials from leaking out of discharge pipe 27, or prevent dust from escaping from the outlet of discharge pipe 27 during stirring, so as to maintain the sealing and cleanliness of the stirring device, when needing to discharge, sealing plug 28 can be unscrewed, so that the stirred concrete is discharged through discharge pipe 27.

[0029] Further, the upper portion of the dust removal bin 2 is provided with a charging port 21, and the middle portion of the bottom wall of the dust removal bin 2 is provided with a mounting opening 22.

[0030] Specifically, the design of charging port 21 considers convenience and efficiency, making the addition process of raw materials more smooth, and also facilitating the control of the amount of added raw materials. The design of mounting opening 22 allows technicians or maintenance personnel to access the key components of the stirring device for necessary inspection, repair or replacement.

[0031] Further, the upper end of the support base 1 is provided with a dust removal bin 2, and the support base 1 is fixedly connected between four support columns 11 fixed to the bottom side of the dust removal bin 2, and a support platform 12 is fixedly connected between the four support columns 11, and a drive motor 3 is fixedly connected to the middle portion of the support platform 12.

[0032] Specifically, the support columns 11 are fixedly connected to each other through the support platform 12, and the drive motor 3 is fixedly connected to the middle portion of the support platform 12. This design makes the entire stirring device structure stable and enables the entire stirring process to be driven by the drive motor 3.

[0033] Further, the bottom of the support base 1 is provided with a drive motor 3, and the output end of the drive motor 3 extends into the dust removal bin 2 and is fixedly connected with a bin bottom plate 4.

[0034] Specifically, the drive motor 3 can drive the bin bottom plate 4 to rotate in the dust removal bin 2, and the drive motor 3 is reversed after rotating in the forward direction for a certain period of time, so that the revolution direction and rotation direction of the stirring blade 51 in the dust removal bin 2 can be switched, avoiding the problem of stirring dead angle caused by one-way stirring, effectively ensuring the stirring and mixing effect. It is worth noting that the bin bottom plate 4 is rotatably connected to the mounting opening 22 through a sealing bearing to prevent leakage of concrete raw materials in the dust removal bin 2.

[0035] Further, a plurality of stirring shafts 5 are equidistantly arranged on the bin floor 4, the stirring shafts 5 are rotationally embedded on the bin floor 4, and the outer wall of the part of the stirring shaft 5 above the bin floor 4 is fixedly connected with a plurality of stirring blades 51, and the stirring blades 51 on the two stirring shafts 5 are staggered;

[0036] Specifically, the traditional single-shaft stirring equipment may form stirring dead angles in some areas, and the staggered arrangement of the stirring blades 51 on the double stirring shafts 5 can reduce or eliminate these dead angles, ensuring that the entire concrete raw material in the dust removal bin 2 can be fully stirred, and the staggered arrangement of the stirring blades 51 can ensure more complex movement of the concrete raw material in the dust removal bin 2, increasing the contact opportunities between the raw materials, thereby improving the mixing efficiency, preventing the concrete raw material from accumulating in a certain area during stirring, and ensuring continuous movement and mixing of the raw material during the entire stirring process.

[0037] Further, the stirring shaft 5 and the dust removal bin 2 are drivingly connected with a synchronous assembly 6 to enable the driving motor 3 to drive the plurality of stirring shafts 5 to synchronously stir the concrete in the dust removal bin 2, the synchronous assembly 6 includes an inner gear ring 61 fixed on the inner wall of the assembly opening 22 and a transmission gear 62 fixed on the bottom end of the stirring shaft 5, and the transmission gear 62 is in meshing connection with the inner gear ring 61;

[0038] Specifically, since the stirring shaft 5 not only revolves around the central axis of the dust removal bin 2, but also rotates by rolling along the inner gear ring 61 through the transmission gear 62, this compound motion (i.e., the combination of revolution and rotation) further improves the stirring efficiency, making the mixing of the concrete raw material in the dust removal bin 2 more sufficient and uniform. This stirring method helps to reduce stirring dead angles and ensure the quality and performance of the concrete.

[0039] Further, a shunt pipe 23 is fixedly sleeved on the outside of the dust removal bin 2, a plurality of spray pipes 24 are fixedly embedded on the upper side of the shunt pipe 23, a plurality of spray holes 25 are formed on the side of the spray pipe 24 facing the dust removal bin 2, and the shunt pipe 23 is communicated with a liquid feeding pipe 26;

[0040] Specifically, the liquid feeding pipe 26 is in communication with the output end of the water pump, when spraying operation is needed, liquid can be pumped into the shunt pipe 23 through the liquid feeding pipe 26, the liquid is then distributed to each spray pipe 24 through the shunt pipe 23, and finally sprayed out from the spray holes 25, which can effectively control dust and temperature while stirring the concrete, improve the safety and comfort of the working environment, and also help to ensure the stirring quality of the concrete. By reasonably designing the spraying system, the uniformity of water addition during the stirring process of the concrete can be ensured, and the mixing time of the concrete raw material and water can be reduced.

[0041] Working principle:

[0042] In use, the concrete raw materials are added from the feeding port 21, cold water is pumped into the distribution pipe 23, the cold water is sprayed from each spray hole 25, which can play a dust removal role, the driving motor 3 drives the bin bottom plate 4 to rotate in the positive direction, the bin bottom plate 4 drives multiple stirring shafts 5 to revolve around the central axis of the dust removal bin 2 synchronously, the transmission gear 62 rolls along the inner tooth ring 61, so that the stirring shaft 5 revolves while rotating, the stirring blade 51 stirs the concrete raw materials in the dust removal bin 2, and it is worth noting that the driving motor 3 is reversed after rotating in the positive direction for a certain period of time, which can drive the stirring blade 51 to stir in the reverse direction, and can effectively improve the mixing effect.

Claims

1. A mixing device for preparing highly compatible concrete, comprising a support base (1), characterized in that, A dust removal hopper (2) is installed at the upper end of the support base (1), and a drive motor (3) is installed at the bottom of the support base (1). The output end of the drive motor (3) extends into the dust removal hopper (2) and a hopper bottom plate (4) is fixed therein. Multiple stirring shafts (5) are equidistantly arranged on the hopper bottom plate (4). A synchronization component (6) is connected between the stirring shafts (5) and the dust removal hopper (2) so that the drive motor (3) drives the multiple stirring shafts (5) to synchronously stir the concrete in the dust removal hopper (2).

2. The mixing device for preparing highly compatible concrete according to claim 1, characterized in that: The dust removal silo (2) is provided with a feeding port (21) at the top and an assembly port (22) is provided in the middle of the bottom wall of the dust removal silo (2).

3. The mixing device for preparing highly compatible concrete according to claim 1, characterized in that: The stirring shaft (5) is rotatably embedded on the bottom plate (4) of the silo, and a plurality of stirring blades (51) are fixedly connected to the outer wall of the part of the stirring shaft (5) above the bottom plate (4), and the stirring blades (51) on the two stirring shafts (5) are staggered.

4. The mixing device for preparing highly compatible concrete according to claim 2, characterized in that: The synchronization component (6) includes an internal gear ring (61) fixed to the inner wall of the assembly port (22) and a transmission gear (62) fixed to the bottom end of the stirring shaft (5). The transmission gear (62) is meshed with the internal gear ring (61).

5. The mixing device for preparing highly compatible concrete according to claim 1, characterized in that: A diversion pipe (23) is fixedly sleeved on the outside of the dust removal silo (2). Multiple spray pipes (24) are fixedly embedded on the upper side of the diversion pipe (23). Multiple spray holes (25) are opened on the side of the spray pipe (24) facing the dust removal silo (2). The diversion pipe (23) is connected to a liquid addition pipe (26).

6. The mixing device for preparing highly compatible concrete according to claim 1, characterized in that: A discharge pipe (27) is fixedly embedded on one side of the bottom of the dust removal hopper (2), and a sealing plug (28) is threaded to the outer end of the discharge pipe (27).

7. The mixing device for preparing highly compatible concrete according to claim 1, characterized in that: The support base (1) consists of four support columns (11) fixed to the bottom side of the dust removal silo (2), and a support platform (12) is fixedly connected between the four support columns (11). A drive motor (3) is fixed in the middle of the support platform (12).

Citation Information

Patent Citations

  • Dust removal device for building concrete stirring

    CN218928191U