Rubber mixing device

By introducing a heating rod and a temperature sensor into the rubber mixing device, combined with the circulating flow of the grating net and the mixing rod in the mixing drum, the mold and poor processing problems caused by excessive raw material moisture during the rubber mixing process are solved. , realizes uniform drying and mixing of materials, and improves the quality of rubber products.

CN222135524UActive Publication Date: 2024-12-10GUANGDONG ELECTRONIC TECHNOLOGY (ZHONGSHAN) CO LTD
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Patent Information

Application Number
CN202420900401.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-28
Publication Date
2024-12-10
Estimated Expiration
2034-04-28

AI Technical Summary

Technical Problem

The existing rubber mixing devices cannot be circulated and dried during the mixing process, resulting in the raw rubber being easily moldy when there is too much moisture in the raw material, affecting rubber processing, and may produce bubbles or sponge-like phenomena.

Method used

A rubber mixing device is designed to dry the material by setting a heating rod and a temperature sensor in the mixing chamber by utilizing the heat transfer of the mixing layer, and circulating through the grid and the mixing rod in the mixing drum. Flow to ensure uniform mixing and drying of materials.

Benefits of technology

It realizes effective drying of materials in the mixing chamber, avoids the problems of mold and poor processing of raw rubber, and ensures uniform mixing and stirring of raw materials, and improves the quality of rubber products.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of rubber production, in particular to a rubber mixing device. Comprising a tank body assembly, a material mixing assembly, a stirring assembly and a power assembly, the tank body assembly comprises a material mixing tank, the material mixing assembly comprises a material mixing motor, the stirring assembly comprises a stirring barrel, the top of the material mixing tank is connected with a feeding hopper, a heating rod is arranged on the inner side of a mounting groove, the output end of the material mixing motor is connected with a material mixing shaft, and the output end of the material mixing shaft is connected with a motor. The outer wall of the circumferential surface of the mixing shaft is connected with mixing blades, the outer wall, far away from the stirring shaft, of the sleeve is connected with a mixing umbrella, and the outer wall of the stirring shaft is connected with a stirring rod. When the stirring shaft is driven by the stirring motor to rotate, the stirring shaft drives the stirring rod and the stirring teeth to rotate in the rotating process, raw materials in the stirring barrel are mixed and stirred through the rotation of the stirring rod and the stirring teeth, and meanwhile, the rotating stirring teeth can crush and stir the raw materials in the process.
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Description

Technical Field

[0001] The utility model relates to the technical field of rubber production, in particular to a rubber mixing device. Background Art

[0002] Rubber itself is a polymer material with the important characteristic of reversible deformation. It is widely used in production and life, such as transportation industry, sealing industry, medical industry and defense industry. In today's society, rubber has become an indispensable application material. The production of rubber mainly includes basic processes such as plasticizing, mixing, calendering or extrusion, molding and vulcanization. Among them, mixing is to evenly mix rubber additives and rubber into rubber compounds. Mixing is an important link in determining the quality of rubber products. If the mixing is uneven, the deformation size and temperature resistance of the rubber will be affected.

[0003] When the existing rubber mixing device is in use, it is impossible to circulate and dry the raw materials during the mixing process. When the moisture content of the raw materials is too high, not only will the raw rubber be prone to mold during storage, but it will also affect the processing of the rubber, such as the compounding agent is prone to agglomeration during mixing; bubbles are easily generated during calendering and extrusion, and bubbles or sponge are generated during vulcanization. Utility Model Content

[0004] In view of the above problems, the purpose of the utility model is to provide a rubber mixing device to solve the problem that it is impossible to circulate and dry the raw materials during the mixing process. When the moisture content of the raw materials is too high, not only will the raw rubber be prone to mold during storage, but it will also affect the processing of the rubber. Through the heat transfer of the mixing layer, the material in the mixing chamber can be dried. At the same time, since the material circulates in the mixing chamber and the mixing drum, the circulated drying of the material is achieved. The temperature sensor is set to monitor the temperature in the mixing chamber.

[0005] To achieve the above objectives, the utility model adopts the following technical solution: a rubber mixing device, comprising a tank assembly, a mixing assembly, a stirring assembly, and a power assembly, wherein the tank assembly comprises a mixing tank, the mixing assembly comprises a mixing motor, the stirring assembly comprises a stirring drum, the power assembly comprises a stirring motor, a feeding hopper is connected to the top of the mixing tank, a mounting groove is provided on the inner wall of the mixing tank, a heating rod is provided on the inner side of the mounting groove, a mixing shaft is connected to the output end of the mixing motor, a mixing blade is connected to the outer wall of the circumference of the mixing shaft, a mixing layer is connected to the inner wall of the mixing tank, a grid is provided on the inner side of the wall of the stirring drum, a reflux groove is provided on the inner side of the stirring drum, a stirring shaft is connected to the output end of the stirring motor, a sleeve is connected to the outer wall of the sleeve away from the stirring shaft, a mixing umbrella is connected to the outer wall of the stirring shaft, and a stirring rod is connected to the outer wall of the stirring shaft.

[0006] The beneficial effects of the utility model are as follows: through the heat transfer of the mixing layer, the material in the mixing chamber can be dried, and at the same time, because the material circulates in the mixing chamber and the mixing drum, the circulating drying of the material is achieved. The temperature sensor is set to monitor the temperature in the mixing chamber. When the stirring rod rotates and the raw materials are mixed and stirred, the raw materials are thrown into the mixing chamber through the grid net under the action of the centrifugal force generated by the rotation of the stirring rod, thereby forming a circulating flow of the raw materials. The raw materials in the circulating flow are mixed in the mixing chamber, so that the mixing and stirring of the raw materials are more uniform.

[0007] In order to discharge the mixed raw materials out of the mixing tank through the discharge pipe:

[0008] As a further improvement of the above technical solution: the bottom of the feed hopper passes through the wall of the mixing drum and extends to the inner side of the mixing drum, the inner wall of the mixing tank is connected with a discharge plate, the lower end of the mixing tank is connected with a discharge pipe, and the feed hopper and the discharge pipe are provided with control valves.

[0009] The beneficial effect of this improvement is that when in use, the raw materials to be mixed are added into the feed hopper respectively, and then the mixed raw materials are discharged from the mixing tank through the discharge pipe. The setting of the discharge plate can avoid the accumulation of raw materials in the mixing tank.

[0010] In order to conduct heat through the mixed layer after being heated:

[0011] As a further improvement of the above technical solution: the heating rod is electrically connected to the operation panel, and the heating rod is also arranged between the mixing layer and the installation groove.

[0012] The beneficial effect of this improvement is that after the operation of the heating rod is started, the heating rod works and conducts the generated heat to the wall of the mixed material layer, and then the heat is conducted after the mixed material layer is heated.

[0013] In order to achieve the cycle drying of materials:

[0014] As a further improvement of the above technical solution: the mixing layer is a heat-conducting metal layer with a smooth surface, the inner wall of the mixing layer is connected to a temperature sensor, and a mixing cavity is formed between the mixing layer and the outer wall of the mixing barrel.

[0015] The beneficial effect of this improvement is that through the heat transfer of the mixing layer, the material in the mixing chamber can be dried. At the same time, since the material circulates in the mixing chamber and the mixing drum, the material can be circulated and dried. The temperature sensor is set to monitor the temperature in the mixing chamber.

[0016] In order to mix and stir the raw materials in the mixing chamber by rotating the mixing blades:

[0017] As a further improvement of the above technical solution: the mixing motor is electrically connected to the operation panel, and the end of the mixing shaft away from the mixing motor is rotatably connected to the inner wall of the mixing layer.

[0018] The beneficial effect of this improvement is that after the mixing motor is started, the mixing motor rotates and drives the mixing blades to rotate synchronously through the mixing shaft, and then the rotation of the mixing blades is used to mix and stir the raw materials in the mixing chamber.

[0019] In order to mix the circulating raw materials in the mixing chamber:

[0020] As a further improvement of the above technical solution: the upper and lower ends of the mixing drum are connected to the inner wall of the mixing tank, and four grid meshes are arranged on the inner side of the peripheral wall of the mixing drum.

[0021] The beneficial effect of this improvement is that when the stirring rod rotates and mixes the raw materials, the raw materials are thrown into the mixing chamber through the grid mesh under the action of the centrifugal force generated by the rotation of the stirring rod, thereby forming a circulating flow of the raw materials. The raw materials in the circulating flow are mixed in the mixing chamber, so that the mixing and stirring of the raw materials are more uniform.

[0022] To complete the preliminary mixing under the rotation of the mixing umbrella:

[0023] As a further improvement of the above technical solution: the outer wall of the mixing umbrella is provided with a rotation groove, the depth of the rotation groove is half the thickness of the mixing umbrella wall, and the stirring motor is arranged on the top of the mixing tank and is electrically connected to the operation panel.

[0024] The beneficial effects of this improvement are: start the operation of the stirring motor, open the feed control valve to adjust and adjust the feed speed, then the raw materials fall from the feed hopper onto the rotating mixing umbrella, and the preliminary mixing is completed under the rotation of the mixing umbrella, and the preliminary mixed raw materials continue to fall under the action of gravity.

[0025] In order for the rotating stirring teeth to crush and stir the raw materials:

[0026] As a further improvement of the above technical solution: the stirring rods are symmetrically connected to the two ends of the stirring shaft, and stirring teeth are connected to the outer wall of the stirring rod at equal intervals.

[0027] The beneficial effect of this improvement is that when the stirring shaft rotates under the drive of the stirring motor, the stirring shaft simultaneously drives the stirring rod and the stirring teeth to rotate during the rotation process, and the rotation of the stirring rod and the stirring teeth is used to mix and stir the raw materials in the stirring drum. At the same time, the rotating stirring teeth in this process can crush and stir the raw materials. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 It is a schematic diagram of the main cross-sectional structure of the utility model.

[0029] Figure 2 for Figure 1 Schematic diagram of the enlarged structure at point A in the middle.

[0030] Figure 3 for Figure 1 Schematic diagram of the enlarged structure at point B in the middle.

[0031] Figure 4 for Figure 1 Schematic diagram of the enlarged structure at point C in the middle.

[0032] Figure 5 It is a structural schematic diagram of the mixing drum of the utility model.

[0033] In the figure: 1. tank assembly; 11. mixing tank; 12. feed hopper; 13. discharge plate; 14. discharge pipe; 15. mounting groove; 16. heating rod; 17. temperature sensor; 2. mixing assembly; 21. mixing motor; 22. mixing shaft; 23. mixing blades; 24. mixing layer; 25. mixing chamber; 3. stirring assembly; 31. stirring drum; 32. grille; 33. reflux groove; 4. power assembly; 41. stirring motor; 42. stirring shaft; 43. sleeve; 44. mixing umbrella; 45. rotating groove; 46. stirring rod; 47. stirring teeth. DETAILED DESCRIPTION

[0034] In order to enable those skilled in the art to better understand the technical solution of the utility model, the utility model is described in detail below in conjunction with the accompanying drawings. The description in this part is only exemplary and explanatory and should not have any limiting effect on the protection scope of the utility model.

[0035] like Figure 1-5As shown, a rubber mixing device includes a tank assembly 1, a mixing assembly 2, a stirring assembly 3, and a power assembly 4. The tank assembly 1 includes a mixing tank 11, the mixing assembly 2 includes a mixing motor 21, the stirring assembly 3 includes a stirring drum 31, and the power assembly 4 includes a stirring motor 41. The top of the mixing tank 11 is connected to a feed hopper 12, the inner wall of the mixing tank 11 is provided with a mounting groove 15, and the inner side of the mounting groove 15 is provided with a heating rod 16. The output end of the mixing motor 21 is connected to a mixing shaft 22, and the outer wall of the peripheral surface of the mixing shaft 22 is connected to a mixing blade 23. The inner wall of the mixing tank 11 is connected to a mixing layer 24, and the inner side of the wall of the stirring drum 31 is provided with a grille 31. 2. A reflux groove 33 is provided on the inner side of the mixing drum 31. A mixing shaft 42 is connected to the output end of the mixing motor 41. A sleeve 43 is connected to the outer wall of the mixing shaft 42. A mixing umbrella 44 is connected to the outer wall of the sleeve 43 away from the mixing shaft 42. A mixing rod 46 is connected to the outer wall of the mixing shaft 42. The bottom of the feed hopper 12 passes through the wall of the mixing drum 31 and extends to the inner side of the mixing drum 31. A discharge plate 13 is connected to the inner wall of the mixing tank 11. A discharge pipe 14 is connected to the lower end of the mixing tank 11. A control valve is provided between the feed hopper 12 and the discharge pipe 14. When in use, the raw materials to be mixed are added to the feed hopper 12 respectively, and then the raw materials after mixing are discharged through the discharge pipe 14. The tank 11 is provided with a discharge plate 13 to avoid the accumulation of raw materials in the mixing tank 11. The heating rod 16 is electrically connected to the operation panel, and the heating rod 16 is also provided between the mixing layer 24 and the mounting groove 15. After the operation of the heating rod 16 is started, the heating rod 16 works and conducts the generated heat to the wall of the mixing layer 24, and then conducts the heat after the mixing layer 24 is heated. The mixing layer 24 is a heat-conducting metal layer with a smooth surface. The inner wall of the mixing layer 24 is connected to a temperature sensor 17. A mixing chamber 25 is formed between the mixing layer 24 and the outer wall of the mixing drum 31. The material in the mixing chamber 25 can be dried by the heat transfer of the mixing layer 24. At the same time, since the material is in the mixing chamber, the material in the mixing chamber 25 can be dried. The mixing chamber 25 and the mixing drum 31 circulate in the mixing chamber 25, thereby realizing the circulation drying of the materials. The temperature sensor 17 is set to monitor the temperature in the mixing chamber 25. The mixing motor 21 is electrically connected to the operation panel, and the end of the mixing shaft 22 away from the mixing motor 21 is rotatably connected to the inner wall of the mixing layer 24; after the mixing motor 21 is started, the mixing motor 21 rotates and drives the mixing blades 23 to rotate synchronously through the mixing shaft 22, and then the rotation of the mixing blades 23 is used to mix and stir the raw materials in the mixing chamber 25. The upper and lower ends of the mixing drum 31 are connected to the inner wall of the mixing tank 11, and four grilles 32 are set on the inner side of the peripheral wall of the mixing drum 31;When the stirring rod 46 rotates and mixes the raw materials, the raw materials are thrown into the mixing chamber 25 through the grid net 32 ​​under the action of the centrifugal force generated by the rotation of the stirring rod 46, thereby forming a circulation flow of the raw materials. The raw materials in the circulation flow are mixed in the mixing chamber 25, so that the mixing and stirring of the raw materials are more uniform. The outer wall of the mixing umbrella 44 is provided with a rotating groove 45, and the depth of the rotating groove 45 is half of the thickness of the wall of the mixing umbrella 44. The stirring motor 41 is arranged on the top of the mixing tank 11 and is electrically connected to the operation panel; the operation of the stirring motor 41 is started, the feed control valve is opened to adjust and adjust the feed speed, and then the raw materials are fed from The feed hopper 12 falls on the rotating mixing umbrella 44, and completes the preliminary mixing under the rotation of the mixing umbrella 44. The preliminary mixed raw materials continue to fall under the action of gravity. The stirring rods 46 are symmetrically connected to the two ends of the stirring shaft 42, and the outer wall of the stirring rods 46 is connected with stirring teeth 47 at equal intervals; when the stirring shaft 42 is driven by the stirring motor 41 to rotate, the stirring shaft 42 drives the stirring rods 46 and the stirring teeth 47 to rotate at the same time during the rotation process, and the rotation of the stirring rods 46 and the stirring teeth 47 is used to mix and stir the raw materials in the mixing drum 31, and the rotating stirring teeth 47 can crush and stir the raw materials during this process. ;

[0036] The working principle of the utility model is as follows: when in use, the raw materials to be mixed are added into the feed hopper 12 respectively, the operation of the stirring motor 41 is started, the feed control valve is opened to adjust and set the feeding speed, and then the raw materials fall from the feed hopper 12 onto the rotating mixing umbrella 44, and the preliminary mixing is completed under the rotation of the mixing umbrella 44, and the preliminary mixed raw materials continue to fall under the action of gravity, and when the stirring shaft 42 is driven by the stirring motor 41 to rotate, the stirring shaft 42 simultaneously drives the rotation of the stirring rod 46 and the stirring teeth 47 during the rotation process, and the rotation of the stirring rod 46 and the stirring teeth 47 is used to mix and stir the raw materials in the mixing drum 31, and the rotating stirring teeth 47 in this process can crush and stir the raw materials, and when the stirring rod 46 rotates and mixes and stirs the raw materials, the raw materials are thrown into the mixing chamber 25 through the grid net 32 ​​under the action of the centrifugal force generated by the rotation of the stirring rod 46, thereby forming a circulating flow of the raw materials, and the mixing motor is started. After the operation of 21, the mixing motor 21 rotates and drives the mixing blades 23 to rotate synchronously through the mixing shaft 22, and then the rotation of the mixing blades 23 is used to mix and stir the raw materials in the mixing chamber 25, and the circulating raw materials are mixed in the mixing chamber 25, so that the mixing and stirring of the raw materials are more uniform. After the operation of the heating rod 16 is started, the heating rod 16 works and conducts the generated heat to the wall of the mixing layer 24, and then the heat is conducted after the mixing layer 24 is heated. Through the heat transfer of the mixing layer 24, the material in the mixing chamber 25 can be dried. At the same time, since the material circulates in the mixing chamber 25 and the mixing drum 31, the cyclic drying of the material is realized. The temperature sensor 17 is set to monitor the temperature in the mixing chamber 25, and then the raw materials after mixing are discharged from the mixing tank 11 through the discharge pipe 14. The accumulation of raw materials in the mixing tank 11 is avoided by the setting of the discharge plate 13.

[0037] It should be noted that, in this article, the terms "comprises", "includes" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article or apparatus that includes a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or apparatus.

[0038] This article uses specific examples to illustrate the principles and implementation methods of the utility model. The above examples are only used to help understand the method and core ideas of the utility model. The above is only the preferred implementation method of the utility model. It should be pointed out that due to the limitations of textual expression, there are objectively infinite specific structures. For ordinary technicians in this technical field, without departing from the principle of the utility model, they can make several improvements, modifications or changes, and can also combine the above technical features in an appropriate manner; these improvements, modifications, changes or combinations, or the direct application of the concept and technical solution of the utility model to other occasions without improvement, should be regarded as the protection scope of the utility model.

Claims

1. A rubber mixing device, comprising a tank assembly (1), a mixing assembly (2), a stirring assembly (3), and a power assembly (4), wherein the tank assembly (1) comprises a mixing tank (11), the mixing assembly (2) comprises a mixing motor (21), the stirring assembly (3) comprises a stirring drum (31), and the power assembly (4) comprises a stirring motor (41), characterized in that: The top of the mixing tank (11) is connected to a feed hopper (12), the inner wall of the mixing tank (11) is provided with a mounting groove (15), the inner side of the mounting groove (15) is provided with a heating rod (16), the output end of the mixing motor (21) is connected to a mixing shaft (22), the outer wall of the peripheral surface of the mixing shaft (22) is connected to a mixing blade (23), the inner wall of the mixing tank (11) is connected to a mixing layer (24), the inner side of the wall of the mixing drum (31) is provided with a grille (32), the inner side of the mixing drum (31) is provided with a reflux groove (33), the output end of the stirring motor (41) is connected to a stirring shaft (42), the outer wall of the stirring shaft (42) is connected to a sleeve (43), the outer wall of the sleeve (43) away from the stirring shaft (42) is connected to a mixing umbrella (44), and the outer wall of the stirring shaft (42) is connected to a stirring rod (46).

2. A rubber mixing device according to claim 1, characterized in that: The bottom of the feed hopper (12) penetrates the wall of the mixing drum (31) and extends to the inner side of the mixing drum (31); the inner wall of the mixing tank (11) is connected to a discharge plate (13); the lower end of the mixing tank (11) is connected to a discharge pipe (14); and the feed hopper (12) and the discharge pipe (14) are provided with control valves.

3. A rubber mixing device according to claim 1, characterized in that: The heating rod (16) is electrically connected to the operation panel, and the heating rod (16) is also arranged between the mixed material layer (24) and the installation groove (15).

4. A rubber mixing device according to claim 1, characterized in that: The mixing layer (24) is a heat-conducting metal layer with a smooth surface. The inner wall of the mixing layer (24) is connected to a temperature sensor (17). A mixing cavity (25) is formed between the mixing layer (24) and the outer wall of the mixing drum (31).

5. A rubber mixing device according to claim 1, characterized in that: The mixing motor (21) is electrically connected to the operation panel, and one end of the mixing shaft (22) away from the mixing motor (21) is rotatably connected to the inner wall of the mixing layer (24).

6. A rubber mixing device according to claim 1, characterized in that: The upper and lower ends of the mixing drum (31) are connected to the inner wall of the mixing tank (11), and four grid nets (32) are arranged on the inner side of the peripheral wall of the mixing drum (31).

7. A rubber mixing device according to claim 1, characterized in that: The outer wall of the mixing umbrella (44) is provided with a rotation groove (45), the depth of which is half the thickness of the wall of the mixing umbrella (44). The stirring motor (41) is arranged on the top of the mixing tank (11) and is electrically connected to the operation panel.

8. A rubber mixing device according to claim 1, characterized in that: The stirring rod (46) is symmetrically connected to the two ends of the stirring shaft (42), and stirring teeth (47) are connected to the outer wall of the stirring rod (46) at equal intervals.