Mixing device for flame-retardant material production
By employing a bidirectional stirring structure and an inner wall scraping design, the problem of low efficiency in existing stirring devices has been solved, achieving a high-efficiency mixing effect and improving the utilization rate of the inner wall.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- LICHANG (ZHEJIANG) NEW MATERIAL CO LTD
- Filing Date
- 2025-04-17
- Publication Date
- 2026-05-19
AI Technical Summary
The existing mixing devices have poor mixing effect, resulting in poor mixing efficiency.
The system employs a bidirectional mixing structure, where the outer and inner shafts rotate in opposite directions via first and second worm gear reducers. Combined with the mixing paddle and inner wall scraper, this achieves bidirectional mixing and inner wall scraping of the mixing arm.
It improves the mixing effect and the degree of fineness of the mixture, and enhances the utilization rate of the inner wall of the mixing drum.
Smart Images

Figure CN224255697U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of mixing equipment technology, and in particular to a mixing equipment for the production of flame retardant materials. Background Technology
[0002] The existing patent publication number (CN112766488A) discloses a training method for a neural network used in controlling the mixing of anti-solidifying concrete. The method includes: acquiring training mechanical parameters collected by sensors on the multi-layer mixing blades of a concrete mixing device and training velocity parameters of the multi-layer mixing blades at corresponding time points; constructing a mechanical parameter matrix and a velocity vector from the training mechanical parameters; passing the mechanical parameter matrix through a convolutional neural network to obtain a mechanical feature map; performing matrix multiplication between the velocity vector and the mechanical feature map to obtain an association feature map; passing the association feature map through multiple fully connected layers to obtain a classification feature vector, wherein the output bit depth of the last fully connected layer is equal to the number of layers in the mixing blades; and updating the parameters of the convolutional neural network and the multiple fully connected layers based on backpropagation of the difference between the classification feature vector and the training velocity parameters.
[0003] However, its mixing device has a mediocre mixing effect, resulting in poor mixing efficiency.
[0004] This proposal is put forward in order to improve and optimize the above-mentioned problems or shortcomings. Utility Model Content
[0005] A mixing apparatus for producing flame retardant materials includes a mixing drum, the lower end of which is supported by a support foot, and a discharge port is fixedly provided at the lower end of the mixing drum for discharging the mixed flame retardant material. A second worm gear reducer and a first worm gear reducer are configured on the mixing drum, wherein the second worm gear reducer and the first worm gear reducer are driven by a first drive motor and a second drive motor, respectively.
[0006] The turbine inside the first worm gear reducer drives the outer shaft to rotate, and mixing arms are symmetrically fixed on the outer shaft;
[0007] The inner turbine of the second worm gear reducer drives the inner rotating shaft to rotate, and the outer rotating shaft is hollow. The inner rotating shaft passes through the outer rotating shaft and rotates in the opposite direction to the outer rotating shaft.
[0008] Preferably, the second drive motor drives the worm inside the first worm gear reducer, and the worm inside the first worm gear reducer is coaxially and fixedly connected to the outer rotating shaft.
[0009] Preferably, the first drive motor drives the worm inside the second worm gear reducer, the worm inside the second worm gear reducer is coaxially and fixedly connected to the inner rotating shaft, and the inner rotating shaft passes through the hollow outer rotating shaft.
[0010] Preferably, a plurality of stirring paddles are coaxially fixed on the inner rotating shaft for stirring and mixing.
[0011] Preferably, a mixing plate is fixedly provided on the mixing support arm, and an inner wall scraper is also hinged to the outside of the mixing support arm. The outer side of the inner wall scraper abuts against the inner wall of the mixing barrel and scrapes the material adhering to the inner wall during rotation.
[0012] Preferably, a connecting arm is fixedly provided between the lower ends of the mixing support arm, and a bearing is provided in the middle of the connecting arm. The lower end of the inner rotating shaft is interference-fitted with the inner ring of the bearing provided on the connecting arm, thereby enhancing the rotational stability of the end of the inner rotating shaft through the connecting arm.
[0013] Preferably, a sloping inner wall scraper is fixedly provided at the lower end of the mixing arm, and the sloping inner wall scraper abuts against the inner wall of the mixing barrel.
[0014] The advantages and positive effects of this utility model are:
[0015] 1. It has a compact structure, bidirectional mixing and stirring, good mixing effect, high degree of mixing fineness, and scraping of the inner wall of the mixing tank, which can improve the utilization rate. Attached Figure Description
[0016] The present invention will be further described below with reference to the accompanying drawings and embodiments.
[0017] Figure 1 This is a schematic diagram of the structure of this utility model;
[0018] Figure 2 yes Figure 1 Internal structure diagram.
[0019] The following are labels in the attached diagram: 10. Mixing drum; 11. First drive motor; 12. Second drive motor; 13. Support leg; 14. Discharge port; 15. Outer shaft; 16. Mixing support arm; 17. Mixing plate; 18. Inner wall scraper; 19. Inclined inner wall scraper; 20. Inner shaft; 21. Agitator; 23. Connecting arm; 24. First worm gear reducer; 25. Second worm gear reducer. Detailed Implementation
[0020] The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic diagrams, illustrating only the basic structure of the present invention, and therefore only show the components relevant to the present invention.
[0021] If the embodiments of this application contain terms relating to directional indications or positional relationships (such as up, down, left, right, front, back, inside, outside, top, bottom, center, vertical, horizontal, longitudinal, transverse, length, width, counterclockwise, clockwise, axial, radial, circumferential, etc.), such terms are only used to explain the relative positional relationships and movements between components in a specific posture (as shown in the attached figures); if the specific posture changes, the directional indications or positional relationships will also change accordingly. Furthermore, the terms "first" and "second" used in the embodiments of this application are only for descriptive convenience and should not be construed as indicating or implying relative importance.
[0022] The embodiments of this utility model will be further described in detail below with reference to the accompanying drawings:
[0023] like Figure 1-2 As shown, the present invention discloses a mixing device for producing flame retardant materials, comprising a mixing drum 10, the mixing drum 10 having a support foot 13 at its lower end for support, and a discharge port 14 fixedly provided at the lower end of the mixing drum 10 for discharging the mixed flame retardant material. The mixing drum 10 is equipped with a second worm gear reducer 25 and a first worm gear reducer 24, wherein the second worm gear reducer 25 and the first worm gear reducer 24 are respectively driven by a first drive motor 11 and a second drive motor 12.
[0024] The turbine inside the first worm gear reducer 24 drives the outer rotating shaft 15 to rotate, and mixing arms 16 are symmetrically fixed on the outer rotating shaft 15.
[0025] The inner turbine of the second worm gear reducer 25 drives the inner rotating shaft 20 to rotate, and the outer rotating shaft 15 is hollow. The inner rotating shaft 20 passes through the outer rotating shaft 15 and rotates in the opposite direction to the outer rotating shaft 15.
[0026] Preferably, the second drive motor 12 drives the worm inside the first worm gear reducer 24, and the worm inside the first worm gear reducer 24 is coaxially and fixedly connected to the outer rotating shaft 15.
[0027] Preferably, the first drive motor 11 drives the worm inside the second worm gear reducer 25, the worm inside the second worm gear reducer 25 is coaxially and fixedly connected to the inner rotating shaft 20, and the inner rotating shaft 20 passes through the hollow outer rotating shaft 15.
[0028] Preferably, a plurality of stirring paddles 21 are coaxially fixed on the inner rotating shaft 20 for stirring and mixing.
[0029] Preferably, a mixing plate 17 is fixedly provided on the mixing support arm 16, and an inner wall scraper 18 is also hinged to the outside of the mixing support arm 16. The outer side of the inner wall scraper 18 abuts against the inner wall of the mixing barrel 10 and scrapes the material adhering to the inner wall during rotation.
[0030] Preferably, a connecting arm 23 is fixedly provided between the lower ends of the mixing support arm 16, and a bearing is provided in the middle of the connecting arm 23. The lower end of the inner rotating shaft 20 is interference-fitted with the inner ring of the bearing provided on the connecting arm 23, thereby enhancing the rotational stability of the end of the inner rotating shaft 20.
[0031] Preferably, a sloping inner wall scraper 19 is fixedly provided at the lower end of the mixing support arm 16, and the sloping inner wall scraper 19 abuts against the inner wall of the mixing barrel 10.
[0032] It should be emphasized that the embodiments described in this utility model are illustrative rather than limiting. Therefore, this utility model is not limited to the embodiments described in the specific implementation. Any other implementation methods derived by those skilled in the art based on the technical solutions of this utility model are also within the scope of protection of this utility model.
Claims
1. A mixing apparatus for the production of flame-retardant materials, comprising a mixing drum (10), characterized in that: The mixing drum (10) is provided with a support foot (13) at the lower end to support it. The mixing drum (10) is fixedly provided with a discharge port (14) at the lower end for discharging the mixed flame retardant material. The mixing drum (10) is provided with a second worm gear reducer (25) and a first worm gear reducer (24). The second worm gear reducer (25) and the first worm gear reducer (24) are driven by a first drive motor (11) and a second drive motor (12), respectively. The turbine inside the first worm gear reducer (24) drives the outer rotating shaft (15) to rotate, and a mixing support arm (16) is symmetrically fixed on the outer rotating shaft (15); The inner turbine of the second worm gear reducer (25) drives the inner rotating shaft (20) to rotate, and the outer rotating shaft (15) is hollow. The inner rotating shaft (20) passes through the outer rotating shaft (15) and rotates in the opposite direction to the outer rotating shaft (15).
2. The mixing apparatus for producing flame-retardant materials according to claim 1, characterized in that: The second drive motor (12) drives the worm inside the first worm gear reducer (24), and the worm inside the first worm gear reducer (24) is coaxially and fixedly connected to the outer rotating shaft (15).
3. A mixing apparatus for producing flame-retardant materials according to claim 2, characterized in that: The first drive motor (11) drives the worm inside the second worm gear reducer (25). The worm inside the second worm gear reducer (25) is coaxially and fixedly connected to the inner rotating shaft (20), and the inner rotating shaft (20) passes through the hollow outer rotating shaft (15).
4. A mixing apparatus for producing flame-retardant materials according to claim 3, characterized in that: Several stirring paddles (21) are coaxially fixed on the inner rotating shaft (20) for stirring and mixing.
5. A mixing apparatus for producing flame-retardant materials according to claim 4, characterized in that: A mixing plate (17) is fixedly provided on the mixing support arm (16), and an inner wall scraper (18) is also hinged to the outside of the mixing support arm (16). The outer side of the inner wall scraper (18) abuts against the inner wall of the mixing barrel (10) and scrapes the material adhering to the inner wall during rotation.
6. A mixing apparatus for producing flame-retardant materials according to claim 5, characterized in that: A connecting arm (23) is fixedly provided between the lower ends of the mixing support arm (16). A bearing is provided in the middle of the connecting arm (23). The lower end of the inner rotating shaft (20) is interference-fitted with the inner ring of the bearing provided on the connecting arm (23). The rotational stability of the end of the inner rotating shaft (20) is enhanced by the connecting arm (23).
7. A mixing apparatus for producing flame-retardant materials according to claim 6, characterized in that: An inclined inner wall scraper (19) is fixedly provided at the lower end of the mixing arm (16), and the inclined inner wall scraper (19) abuts against the inner wall of the mixing barrel (10).