A raw material mixer for processing cold-resistant treads of bias-ply tires

Abstract

This utility model discloses a raw material mixer for processing cold-resistant treads of bias-ply tires, including a fixed frame. A mixing tank is fixed in the middle of the fixed frame, and two inert gas conveying mechanisms are installed at the upper end of the fixed frame. One end of one of the inert gas conveying mechanisms is connected to a first connecting pipe, one end of which penetrates the side wall of the fixed frame and extends to the upper side of the mixing tank. This utility model effectively breaks up the agglomeration of reinforcing agents, promotes full contact and fusion between raw materials, greatly shortens the mixing time, and improves production efficiency. It can effectively solve the problem of easy stratification of cold-resistant agents and reinforcing agents due to differences in physical properties, so as to make the two raw materials uniformly mixed, reduce the fluctuation of rubber performance, and effectively handle both macroscopic diffusion and microscopic particle dispersion, thereby ensuring the stability and consistency of rubber performance and improving the quality and reliability of tires.

Description

Technical Field

[0001] This utility model relates to the field of bias tire processing technology, and in particular to a raw material mixing machine for processing cold-resistant treads of bias tires. Background Technology

[0002] In the processing of cold-resistant treads for bias-ply tires, the mixing quality of the cold-resistant agent and the reinforcing agent plays a crucial role in the tire's performance. The cold-resistant agent improves the tire's flexibility and crack resistance in low-temperature environments, allowing it to maintain good performance in cold regions or winter. The reinforcing agent enhances the tire's strength, wear resistance, and anti-aging properties, extending its service life. However, due to significant differences in the physical properties of the cold-resistant agent and the reinforcing agent, such as density, viscosity, and particle size, stratification can easily occur during the mixing process.

[0003] Traditional mixing equipment and methods often suffer from low mixing efficiency. On the one hand, simple stirring methods make it difficult for the two raw materials to fully contact and blend, resulting in uneven mixing in local areas, which affects the overall performance of the rubber compound. On the other hand, reinforcing agents tend to agglomerate, forming large particles, which further hinders the uniformity of mixing and causes fluctuations in the performance of the rubber compound. These performance fluctuations can lead to unstable tire quality during use, such as increased local wear and inconsistent cold-resistant performance, reducing tire reliability and safety, increasing the defect rate in the production process, and raising production costs. To address these issues, we propose a raw material mixer for cold-resistant tread processing of bias-ply tires. Utility Model Content

[0004] The purpose of this invention is to address the shortcomings of existing technologies by proposing a raw material mixing machine for processing cold-resistant treads of bias-ply tires.

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

[0006] A raw material mixer for processing cold-resistant treads of bias-ply tires includes a fixed frame. A mixing tank is fixed in the middle of the fixed frame. Two inert gas conveying mechanisms are installed at the upper end of the fixed frame. One end of one inert gas conveying mechanism is connected to a first connecting pipe, one end of which penetrates the side wall of the fixed frame and extends to the upper side of the mixing tank. One end of the other inert gas conveying mechanism is connected to a second connecting pipe, one end of which penetrates the side wall of the fixed frame and extends to the lower side of the mixing tank. Five nozzles are evenly spaced at one end of the second and first connecting pipes. The nozzles at one end of the first connecting pipe penetrate the side wall of the upper side of the mixing tank, and the nozzles at one end of the second connecting pipe penetrate the side wall of the lower side of the mixing tank. A stirring mechanism is installed at the upper end of the fixed frame, and the lower end of the stirring mechanism extends into the mixing tank.

[0007] Preferably, the inert gas delivery mechanism includes a gas pump fixed to the upper end of the fixed frame, one end of each of the two gas pumps is connected to an inert gas delivery pipeline, one end of the first connecting pipe is connected to one side of one of the gas pumps, and one end of the second connecting pipe is connected to one side of the other gas pump.

[0008] Preferably, the stirring mechanism includes a protective box fixed to the upper end of the fixed frame, a drive motor is installed inside the protective box, and a stirring rod is connected to the end of the output shaft of the drive motor. The stirring rod passes through the fixed frame and the side wall of the mixing tank and extends into the mixing tank. Multiple rectangular stirring blades and spiral stirring blades are alternately arranged on the stirring rod, and multiple through holes are provided at equal intervals on the rectangular stirring blades.

[0009] Preferably, the upper side of the mixing tank is connected to two feed pipes, which penetrate the side wall of the fixing frame and extend to one side of the fixing frame.

[0010] Preferably, the lower end of the mixing tank is connected to a discharge pipe, and an electric valve is installed on the discharge pipe.

[0011] In this invention, during mixing:

[0012] 1. Feeding stage: The operator feeds the cold-resistant agent and the reinforcing agent into the mixing tank through two feed pipes. The feed pipes penetrate the side wall of the fixed frame to facilitate the input of raw materials and provide the material basis for the subsequent mixing process.

[0013] 2. Mixing stage

[0014] Mixing Operation: The mixing mechanism begins operation. The drive motor, installed inside the protective housing, has an output shaft connected to a mixing rod that extends into the mixing tank. Multiple rectangular and spiral mixing blades, arranged in an alternating pattern on the mixing rod, begin to rotate. The rectangular mixing blades achieve macroscopic diffusion, thoroughly mixing and stirring the raw materials within the tank. The spiral mixing blades break up agglomerates, dispersing the aggregated particles of the reinforcing agent and increasing the contact area between the raw materials. Simultaneously, the multiple through-holes on the rectangular mixing blades reduce resistance during mixing, improve mixing efficiency, and facilitate the flow and exchange of raw materials during the mixing process.

[0015] Inert gas delivery: Two inert gas delivery mechanisms are started simultaneously. The gas pump delivers inert gas through the inert gas delivery pipeline. One gas pump delivers inert gas from the upper side of the mixing tank to the tank through the first connecting pipe, and the other gas pump delivers inert gas from the lower side of the mixing tank through the second connecting pipe. Five nozzles are connected at equal intervals to one end of the first and second connecting pipes, so that the inert gas can be evenly sprayed into the tank. The delivery of inert gas can not only break the agglomeration of reinforcing agent, but also break the interfacial tension between raw materials, further improving the mixing effect. Moreover, the delivery of inert gas from different positions at the upper and lower ends forms convection, making the movement of raw materials in the tank more complex and thorough, and promoting the uniformity of mixing.

[0016] Automatic adjustment: Sensors inside the mixing tank detect the rheological properties of the material in real time and feed the data back to the control system. The control system automatically adjusts the speed of the stirring mechanism according to the detection results to adapt to the needs of different stages and different mixing states, ensuring that the mixing effect reaches the best.

[0017] 3. Discharge stage: After the mixture reaches the predetermined uniformity, the operator opens the electric valve on the discharge pipe, and the mixed raw materials are discharged from the mixing tank through the discharge pipe and enter the next production process.

[0018] This utility model has the following advantages:

[0019] 1. Through the synergistic effect of the stirring mechanism and the inert gas conveying mechanism, the raw materials can be fully mixed in a short time. The special design of the stirring blades and the inert gas conveying method effectively break the agglomeration of the reinforcing agent, promote the full contact and fusion between the raw materials, greatly shorten the mixing time, and improve production efficiency.

[0020] 2. This mixer can effectively solve the problem of easy stratification of cold-resistant agents and reinforcing agents due to differences in physical properties, so as to make the two raw materials uniformly mixed, reduce the fluctuation of rubber performance, and treat both macroscopic diffusion and microscopic particle dispersion well, thereby ensuring the stability and consistency of rubber performance and improving the quality and reliability of tires.

[0021] 3. Due to the improved mixing effect, the defect rate in the production process is reduced, and the losses caused by unstable product quality are reduced. At the same time, the efficient mixing process improves production efficiency, reduces energy consumption and labor costs per unit product, and thus reduces overall production costs.

[0022] In summary, this invention effectively breaks up the agglomeration of reinforcing agents, promotes full contact and fusion between raw materials, greatly shortens mixing time, improves production efficiency, and effectively solves the problem of easy stratification between cold-resistant agents and reinforcing agents due to differences in physical properties. It ensures uniform mixing of the two raw materials, reduces fluctuations in rubber compound performance, and effectively addresses both macroscopic diffusion and microscopic particle dispersion, thereby ensuring the stability and consistency of rubber compound performance and improving tire quality and reliability. Attached Figure Description

[0023] Figure 1 A structural diagram showing the stirring mechanism, the first connecting pipe, and the second connecting pipe of this utility model is provided.

[0024] Figure 2 This is a structural diagram of the present invention;

[0025] Figure 3 This is a structural diagram of the mixing tank of this utility model;

[0026] Figure 4 This is a structural diagram of the stirring mechanism of this utility model.

[0027] In the diagram: 1. Feed pipe, 2. Fixing frame, 3. Protective box, 4. Gas pump, 5. Inert gas delivery pipeline, 6. First connecting pipe, 7. Nozzle, 8. Mixing tank, 9. Discharge pipe, 10. Electric valve, 11. Drive motor, 12. Rectangular stirring blade, 13. Stirring rod, 14. Through hole, 15. Spiral stirring blade, 16. Second connecting pipe. Detailed Implementation

[0028] 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.

[0029] Reference Figure 1-4 A raw material mixing machine for processing cold-resistant tread of bias tires includes a fixed frame 2, which serves to support and fix other parts of the entire equipment. Its structure is robust and can ensure the stability of the equipment during operation.

[0030] The mixing tank 8 is fixed in the middle of the fixed frame 2. The tank body is made of high-quality wear-resistant and corrosion-resistant materials to ensure that it will not be affected by the erosion of raw materials during long-term use and thus the mixing effect will not be affected.

[0031] Two inert gas conveying mechanisms are installed at the upper end of the fixed frame 2. One end of one inert gas conveying mechanism is connected to a first connecting pipe 6, which penetrates the side wall of the fixed frame 2 and extends to the upper side of the mixing tank 8. The other inert gas conveying mechanism is connected to a second connecting pipe 16, which penetrates the side wall of the fixed frame 2 and extends to the lower side of the mixing tank 8. Five nozzles 7 are connected at equal intervals at one end of the second connecting pipe 16 and the first connecting pipe 6. The nozzles 7 at one end of the first connecting pipe 6 penetrate the side wall of the upper side of the mixing tank 8, and the nozzles 7 at one end of the second connecting pipe 16 penetrate the side wall of the lower side of the mixing tank 8. A stirring mechanism is installed at the upper end of the fixed frame 2, and the lower end of the stirring mechanism extends into the mixing tank 8. Through the synergistic effect of the stirring mechanism and the inert gas conveying mechanism, the raw materials can be fully mixed in a short time. The special design of the stirring blades and the inert gas conveying method effectively break the agglomeration of the reinforcing agent, promote the full contact and fusion between the raw materials, greatly shorten the mixing time, and improve production efficiency.

[0032] The inert gas conveying mechanism includes a gas pump 4 fixed on the upper end of the fixed frame 2. One end of the two gas pumps 4 is connected to an inert gas conveying pipeline 5. One end of the first connecting pipe 6 is connected to one side of one of the gas pumps 4, and one end of the second connecting pipe 16 is connected to one side of the other gas pump 4. The gas pump 4 has a stable conveying capacity and can convey inert gas to the mixing tank 8 according to a certain pressure and flow rate.

[0033] The stirring mechanism includes a protective box 3 fixed to the upper end of the fixed frame 2. A drive motor 11 is installed inside the protective box 3. The output shaft of the drive motor 11 is connected to a stirring rod 13. The stirring rod 13 passes through the fixed frame 2 and the side wall of the mixing tank 8 and extends into the mixing tank 8. Multiple rectangular stirring blades 12 and spiral stirring blades 15 are arranged alternately on the stirring rod 13. Multiple through holes 14 are provided at equal intervals on the rectangular stirring blades 12. The rectangular stirring blades 12 can achieve macroscopic diffusion, which can stir and mix the raw materials in the tank over a wide range. The spiral stirring blades 15 can crush agglomerates, break up the agglomerated particles of the reinforcing agent, and increase the contact area between the raw materials. The through holes 14 can reduce the resistance during stirring, improve the stirring efficiency, and help the raw materials flow and exchange during the stirring process.

[0034] Two feed pipes 1 are connected to the upper side of the mixing tank 8. The feed pipes 1 pass through the side wall of the fixed frame 2 and extend to one side of the fixed frame 2. The lower end of the mixing tank 8 is connected to the discharge pipe 9. An electric valve 10 is installed on the discharge pipe 9. The electric valve 10 can accurately control the timing and flow rate of the discharge, ensuring that the mixed raw materials can be smoothly discharged from the mixing tank 8.

[0035] In this invention, during mixing:

[0036] 1. Feeding stage: The operator feeds the cold-resistant agent and the reinforcing agent into the mixing tank 8 through two feed pipes 1. The feed pipes 1 penetrate the side wall of the fixed frame 2 to facilitate the input of raw materials and provide the material basis for the subsequent mixing process. During the feeding process, the operator can accurately control the amount of feed according to the production needs to ensure that the ratio of raw materials after mixing meets the production requirements.

[0037] 2. Mixing stage

[0038] Stirring Operation: The stirring mechanism starts working. The drive motor 11 is installed inside the protective box 3, and the stirring rod 13 connected to the end of its output shaft extends into the mixing tank 8. Multiple rectangular stirring blades 12 and spiral stirring blades 15, which are staggered on the stirring rod 13, begin to rotate. The rectangular stirring blades 12 can achieve macroscopic diffusion, stirring and mixing the raw materials in the tank over a wide range; the spiral stirring blades 15 can break up agglomerates, dispersing the agglomerated particles of the reinforcing agent, increasing the contact area between the raw materials. At the same time, the multiple through holes 14 on the rectangular stirring blades 12 can reduce the resistance during stirring, improve the stirring efficiency, and facilitate the flow and exchange of raw materials during the stirring process.

[0039] Inert gas delivery: Two inert gas delivery mechanisms are started simultaneously. The gas pump 4 delivers inert gas through the inert gas delivery pipeline 5. One gas pump 4 delivers inert gas from the upper side of the mixing tank 8 into the tank through the first connecting pipe 6, and the other gas pump 4 delivers inert gas from the lower side of the mixing tank 8 into the tank through the second connecting pipe 16. Five nozzles 7 are connected at equal intervals at one end of the first connecting pipe 6 and the second connecting pipe 16, so that the inert gas can be evenly sprayed into the tank. The delivery of inert gas can not only break the agglomeration of the reinforcing agent, but also destroy the interfacial tension between the raw materials, further improving the mixing effect. Moreover, the delivery of inert gas from different positions at the upper and lower ends forms convection, making the movement of the raw materials in the tank more complex and thorough, and promoting the uniformity of mixing.

[0040] Automatic Adjustment: Sensors inside mixing tank 8 monitor the rheological properties of the material in real time and feed the data back to the control system. The control system automatically adjusts the speed of the stirring mechanism based on the monitoring results to adapt to the needs of different stages and mixing states, ensuring optimal mixing. The sensors inside mixing tank 8 monitor the rheological properties of the material in real time, including parameters such as viscosity and flowability. These parameters reflect the mixing state of the material. The sensors feed the detected data back to the control system, which automatically adjusts the speed of the stirring mechanism based on the monitoring results. For example, when the material is detected to have high viscosity and poor flowability, the control system will appropriately increase the speed of the stirring mechanism to enhance the mixing effect; when the mixing state of the material is close to uniform, the control system will reduce the speed of the stirring mechanism to save energy. This automatic adjustment function can adapt to the needs of different stages and mixing states, ensuring optimal mixing.

[0041] 3. Discharge stage: After the mixing reaches the predetermined uniformity, the operator opens the electric valve 10 on the discharge pipe 9, and the mixed raw materials are discharged from the mixing tank 8 through the discharge pipe 9 and enter the next production process.

[0042] The above are merely preferred embodiments of this utility model, but the scope of protection of this utility model is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the scope of the technology disclosed in this utility model, based on the technical solution and inventive concept of this utility model, should be included within the scope of protection of this utility model.

Claims

1. A raw material mixer for processing cold-resistant treads of bias-ply tires, comprising a fixed frame (2), characterized in that, A mixing tank (8) is fixed in the middle of the fixed frame (2). Two inert gas conveying mechanisms are installed at the upper end of the fixed frame (2). One end of one inert gas conveying mechanism is connected to a first connecting pipe (6). One end of the first connecting pipe (6) passes through the side wall of the fixed frame (2) and extends to the upper side of the mixing tank (8). One end of the other inert gas conveying mechanism is connected to a second connecting pipe (16). One end of the second connecting pipe (16) passes through the side wall of the fixed frame (2) and extends to the lower side of the mixing tank (8). Five nozzles (7) are connected at equal intervals at one end of the second connecting pipe (16) and the first connecting pipe (6). The nozzle (7) at one end of the first connecting pipe (6) passes through the side wall of the upper side of the mixing tank (8). The nozzle (7) at one end of the second connecting pipe (16) passes through the side wall of the lower side of the mixing tank (8). A stirring mechanism is installed at the upper end of the fixed frame (2). The lower end of the stirring mechanism extends into the mixing tank (8).

2. The raw material mixer for processing cold-resistant tread of bias tires according to claim 1, characterized in that: The inert gas delivery mechanism includes a gas pump (4) fixed on the upper end of the fixed frame (2), and one end of the two gas pumps (4) is connected to an inert gas delivery pipeline (5). One end of the first connecting pipe (6) is connected to one side of one of the gas pumps (4), and one end of the second connecting pipe (16) is connected to one side of the other gas pump (4).

3. The raw material mixer for processing cold-resistant tread of bias tires according to claim 1, characterized in that: The stirring mechanism includes a protective box (3) fixed to the upper end of the fixed frame (2). A drive motor (11) is installed inside the protective box (3). The output shaft of the drive motor (11) is connected to a stirring rod (13). The stirring rod (13) passes through the fixed frame (2) and the side wall of the mixing tank (8) and extends into the mixing tank (8). Multiple rectangular stirring blades (12) and spiral stirring blades (15) are alternately arranged on the stirring rod (13). Multiple through holes (14) are provided at equal intervals on the rectangular stirring blades (12).

4. The raw material mixer for processing cold-resistant tread of bias tires according to claim 1, characterized in that: Two feed pipes (1) are connected to the upper side of the mixing tank (8). The feed pipes (1) penetrate the side wall of the fixing frame (2) and extend to one side of the fixing frame (2).

5. The raw material mixer for processing cold-resistant tread of bias tires according to claim 1, characterized in that: The lower end of the mixing tank (8) is connected to a discharge pipe (9), and an electric valve (10) is installed on the discharge pipe (9).

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