Intelligent control sintering premixing device

By using a collecting cylinder and differential rotation driven by a servo motor in the sintering premixing device, the problem of uneven mixing of powder raw materials is solved, achieving efficient and uniform mixing and ensuring the quality of sintered materials.

CN223869724UActive Publication Date: 2026-02-03ANYANG COUNTY XINYUAN STEEL CO LTD
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Patent Information

Application Number
CN202520403500.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-10
Publication Date
2026-02-03
Estimated Expiration
2035-03-10

AI Technical Summary

Technical Problem

In existing technologies, differences in particle size, density, and flowability of powder raw materials lead to uneven mixing, affecting the performance of sintered materials, and existing devices are unable to achieve uniform mixing.

Method used

The system employs a collection cylinder design to capture sinking powder caused by density differences, and enhances the mixing effect through reverse or same-direction differential rotation driven by a servo motor, combined with a pressure sensor to achieve adaptive control.

Benefits of technology

It significantly improves mixing efficiency and uniformity, enables precise control of the mixing process, and ensures the quality of sintered materials.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an intelligent control sintering premixing device which comprises a base, the upper end of the base is fixedly connected with a plurality of sets of supporting legs, a limiting ring is arranged between every two sets of supporting legs, tank bodies are rotationally connected in the limiting rings, every two supporting legs form a pair, and each pair of supporting rods is located at the two ends of a rotating rod. A collecting barrel is fixedly connected between each pair of supporting rods, the inner wall of each collecting barrel is open, and a pressure sensor is arranged in the tank body. Through the open design of the collecting barrel, powder sinking due to density difference can be directionally captured, the captured powder is released to the upper end face of a powder pile when the rotating rod rotates to the vertical angle, layering caused by the density difference in the traditional mixing process is broken through, meanwhile, a second servo motor drives a gear to be meshed with a gear ring, and therefore the mixing efficiency is improved. And the tank body and the rotating rod form reverse or same-direction differential rotation, a multi-dimensional force field is generated, and the radial and axial mixing effect of the powder is further enhanced.
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Description

Technical Field

[0001] This utility model relates to the field of mixing device technology, and in particular to an intelligent control sintering premixing device. Background Technology

[0002] The intelligent control sintering premixing device is an advanced piece of equipment used in powder metallurgy, ceramic manufacturing, 3D printing and other fields. It is mainly used to precisely mix and pre-treat various powder raw materials (such as metals, ceramics, polymers, etc.).

[0003] In the prior art, the interaction between the rotation of the stirring roller and the inner wall of the stirring drum causes the powder to move relative to each other in the container, thereby achieving preliminary mixing. However, differences in particle size, density, shape, or flowability of the powder may lead to stratification or agglomeration. For example, denser particles sink while lighter powders float, resulting in uneven mixing. Insufficient mixing uniformity will directly affect the material properties after sintering. Therefore, it is necessary to propose an intelligent control sintering premix device to address the above problems. Utility Model Content

[0004] The purpose of this invention is to address the shortcomings of existing technologies by proposing an intelligent control sintering premix device.

[0005] To achieve the above objectives, the present invention adopts the following technical solution:

[0006] An intelligent control sintering premixing device includes a base, with multiple sets of support legs fixedly connected to the upper end of the base. Limiting rings are provided between each pair of support legs. A tank body is rotatably connected within each limiting ring. A feed pipe and a discharge pipe are fixedly connected to the outer wall of the tank body, both communicating with the interior of the tank body. Solenoid valves are installed inside both the feed pipe and the discharge pipe. A rotating rod is rotatably connected to the axis of the tank body. Multiple sets of support rods are provided on the outer wall of the rotating rod, circumferentially distributed around the outer wall of the rotating rod, forming pairs. Each pair of support rods is located at both ends of the rotating rod. A collecting cylinder is fixedly connected between each pair of support rods. The inner wall of the collecting cylinder is open. A pressure sensor is built into the tank body.

[0007] Preferably, the curvature of the outer wall of the collecting cylinder on one side is consistent with the curvature of the inner wall of the tank, and the outer wall and the inner wall of the tank are in close contact at this point.

[0008] Preferably, a toothed ring is fitted on the outer wall of the tank, and a set of the supporting legs is rotatably connected to a gear on the outer wall, the gear meshing with the toothed ring.

[0009] Preferably, the outer wall of the collecting cylinder away from the inner wall of the tank has multiple sets of through holes, and the outer wall of the rotating rod has multiple sets of stirring rods distributed in a ring.

[0010] Preferably, multiple sets of stirring rods are evenly spaced and distributed in a ring on the outer wall of the rotating rod, and there is a certain gap between the ends and the outer wall of the collecting cylinder.

[0011] Preferably, a servo motor is fixedly connected to the center of the tank body, and a servo motor is fixedly connected to the outer wall of one set of support legs. The output shafts of the servo motor and the servo motor are respectively coaxially fixedly connected to the rotating rod and the gear.

[0012] This utility model has the following beneficial effects:

[0013] 1. This utility model, through the open design of the collection cylinder, can directionally capture powder that sinks due to density differences, and release the captured powder to the upper surface of the powder pile when the rotating rod rotates to a vertical angle, breaking the stratification caused by density differences in the traditional mixing process. At the same time, the servo motor drives the gear and the gear ring to mesh, so that the tank and the rotating rod form a differential rotation in opposite or the same direction, generating a multi-dimensional force field, which further enhances the radial and axial mixing effect of the powder.

[0014] 2. This utility model uses a pressure sensor to monitor the load changes of the rotating rod and the tank in real time, and feeds the data back to the control system to dynamically adjust the speed difference or direction of servo motor one and servo motor two, thereby achieving adaptive optimization of mixing parameters. This intelligent control mechanism based on sensor feedback not only significantly improves mixing efficiency, but also achieves precise control of the mixing process. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the intelligent control sintering premix device proposed in this utility model;

[0016] Figure 2 for Figure 1 Schematic diagram of cross-section structure.

[0017] Figure 3 for Figure 2 Schematic diagram of components such as transfer rod, support rod and collection cylinder.

[0018] In the diagram: 1. Base; 2. Tank body; 3. Feed pipe; 4. Gear ring; 5. Servo motor one; 6. Gear; 7. Servo motor two; 8. Support leg; 9. Discharge pipe; 10. Rotating rod; 11. Support rod; 12. Stirring rod; 13. Collection cylinder. Detailed Implementation

[0019] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0020] Reference Figure 1-3The intelligent control sintering premix device includes a base 1. Multiple sets of support legs 8 are fixedly connected to the upper end of the base 1. Limiting rings are set between each pair of support legs 8. A tank 2 is rotatably connected inside the limiting rings. A feed pipe 3 and a discharge pipe 9 are fixedly connected to the outer wall of the tank 2 and are both connected to the inside of the tank 2. Solenoid valves are installed in both the feed pipe 3 and the discharge pipe 9. A rotating rod 10 is rotatably connected to the axis of the tank 2. Multiple sets of support rods 11 are set on the outer wall of the rotating rod 10. The multiple sets of support rods 11 are circumferentially distributed on the outer wall of the rotating rod 10 and form a pair. Each pair of support rods 11 is located at both ends of the rotating rod 10. A collection cylinder 13 is fixedly connected between each pair of support rods 11. The inner wall of the collection cylinder 13 is open. A pressure sensor is built into the tank 2.

[0021] Furthermore, the collecting cylinder 13 rotates synchronously with the support rod 11 when the rotating rod 10 rotates. Its open design can fit against the inner wall of the tank 2. When rotating, it can capture the powder floating at the bottom of the tank 2. When the rotating rod 10 rotates to a vertical angle, the powder can fall from the open end of the collecting cylinder 13, thereby reducing the stratification problem caused by density or particle size differences.

[0022] The outer wall curvature of one side of the collecting cylinder 13 is consistent with the inner wall curvature of the tank 2, and the outer wall here is in close contact with the inner wall of the tank 2. The outer wall of the tank 2 is fitted with a toothed ring 4, and a set of support legs 8 is rotatably connected to a gear 6 on its outer wall. The gear 6 and the toothed ring 4 mesh with each other.

[0023] Furthermore, the meshing transmission structure of the gear 6 and the gear ring 4 drives the tank 2 and the rotating rod 10 to rotate in opposite or the same direction at different speeds through the servo motor 2 7, generating compound motion, thereby enhancing the radial and axial mixing effect of the powder.

[0024] Multiple sets of through holes are opened through the outer wall of the collecting cylinder 13 on the side away from the inner wall of the tank 2. Multiple sets of stirring rods 12 are distributed in a ring on the outer wall of the rotating rod 10. The multiple sets of stirring rods 12 are evenly spaced and distributed in a ring on the outer wall of the rotating rod 10, and there is a certain gap between the end and the outer wall of the collecting cylinder 13. A servo motor 5 is fixedly connected at the axis of the tank 2. A servo motor 7 is fixedly connected to the outer wall of one set of support legs 8. The output shafts of servo motor 5 and servo motor 7 are coaxially fixedly connected to the rotating rod 10 and the gear 6, respectively.

[0025] Furthermore, the through holes allow the powder to flow bidirectionally inside and outside the collecting cylinder 13, forming a dynamic circulation path.

[0026] In this invention, the device is used as follows: the operator injects powdered raw materials into the tank 2 through the feed pipe 3. The servo motor 5 drives the rotating rod 10 to rotate, which in turn drives the support rod 11 and the collecting cylinder 13 to rotate synchronously. The open side of the collecting cylinder 13 is in close contact with the inner wall of the tank 2, capturing the powder that sinks to the bottom due to density differences. When the rotating rod 10 rotates to a vertical angle, the powder falls to the upper surface of the powder pile under the action of gravity, breaking the stratification trend. At the same time, the servo motor 7 drives the gear 6 to mesh with the gear ring 4, so that the tank 2 and the rotating rod 10 rotate at different speeds in opposite or the same direction, enhancing the radial and axial mixing effect of the powder.

[0027] Multiple sets of through holes are opened on the side of the collecting cylinder 13 away from the inner wall of the tank, allowing the powder to flow bidirectionally under the action of centrifugal force, forming a dynamic circulation path. The stirring rod 12 on the outer wall of the rotating rod 10 breaks up powder agglomerates and eliminates local accumulation during rotation. With the help of pressure sensors, the load changes of the rotating rod 10 and the tank 2 can be monitored in real time, thereby dynamically adjusting the speed difference or direction of the servo motor 5 and the servo motor 7, optimizing the mixing parameters, realizing adaptive control, and ensuring the uniformity of mixing.

[0028] After mixing is complete, the solenoid valve of the discharge pipe 9 is opened, and the uniformly mixed powder is discharged under the tilting of the tank 2 or by gravity. The continuous differential rotation of the tank 2 and the rotating rod 10 can assist in the discharge and avoid residue.

[0029] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. An intelligent control sintering premixing device, comprising a base (1), characterized in that, The upper end of the base (1) is fixedly connected to multiple sets of support legs (8). Limiting rings are set between each pair of the multiple sets of support legs (8). A tank (2) is rotatably connected inside the limiting rings. A feed pipe (3) and a discharge pipe (9) are fixedly connected to the outer wall of the tank (2) and are both connected to the inside of the tank (2). Solenoid valves are installed inside the feed pipe (3) and the discharge pipe (9). A rotating rod (10) is rotatably connected at the axis of the tank (2). Multiple sets of support rods (11) are set on the outer wall of the rotating rod (10). The multiple sets of support rods (11) are circumferentially distributed on the outer wall of the rotating rod (10) and form a pair in pairs. Each pair of support rods (11) is located at both ends of the rotating rod (10). A collection cylinder (13) is fixedly connected between each pair of support rods (11). The inner wall of the collection cylinder (13) is open. A pressure sensor is built into the tank (2).

2. The intelligent control sintering premixing device according to claim 1, characterized in that, The outer wall curvature of one side of the collection tube (13) is consistent with the inner wall curvature of the tank (2), and the outer wall here is in close contact with the inner wall of the tank (2).

3. The intelligent control sintering premixing device according to claim 2, characterized in that, The outer wall of the tank (2) is fitted with a toothed ring (4), and a set of the supporting legs (8) are rotatably connected to a gear (6), which meshes with the toothed ring (4).

4. The intelligent control sintering premixing device according to claim 3, characterized in that, The outer wall of the collecting cylinder (13) away from the inner wall of the tank (2) has multiple sets of through holes, and the outer wall of the rotating rod (10) has multiple sets of stirring rods (12) distributed in a ring.

5. The intelligent control sintering premixing device according to claim 4, characterized in that, Multiple sets of stirring rods (12) are evenly spaced and distributed in a ring on the outer wall of the rotating rod (10), and there is a certain gap between the ends and the outer wall of the collecting cylinder (13).

6. The intelligent control sintering premixing device according to claim 5, characterized in that, A servo motor (5) is fixedly connected to the center of the tank body (2), and a servo motor (7) is fixedly connected to the outer wall of one of the support legs (8). The output shafts of the servo motor (5) and the servo motor (7) are coaxially fixedly connected to the rotating rod (10) and the gear (6), respectively.