Mixing device for plastic track material

Abstract

The utility model relates to the technical field of plastic track material production, concretely relates to a kind of stirring device for plastic track material, including stirring bucket and stirring rod, the barrel body inside of stirring bucket is equipped with preheating water cooling passage, stirring rod is hollow structure and inside is equipped with stirring water cooling passage, temperature detection probe is installed in stirring bucket inside bottom, stirring rod top is connected with the driving assembly for driving stirring rod rotation, stirring rod includes main shaft and the stirring vane connected with main shaft, the hollow inside of main shaft both ends, stirring vane is flat spiral stirring vane.The utility model is heated to appropriate temperature by preheating water cooling passage and stirring water cooling passage before stirring, heat exchange is carried out in high temperature area directly by stirring water cooling passage in the process of stirring, temperature is monitored by temperature detection probe, reaction temperature is regulated to avoid local overheating, and the production quality of plastic track material is improved.

Description

Technical Field

[0001] This utility model relates to the field of plastic running track material production technology, specifically a mixing device for plastic running track materials. Background Technology

[0002] In the production process of plastic running track materials, maintaining a suitable temperature during the stirring process of raw materials (such as polyurethane prepolymer, mixed polyether, etc.) can ensure that the chemical reaction is sufficient and uniform, while avoiding local overheating caused by exothermic reactions that affect the material performance. Currently, mixing tanks are usually only equipped with insulation layers and lack active cooling methods. Moreover, the stirring rods are mostly solid structures, which cannot directly contact the high-temperature areas for heat exchange during the stirring process. When multiple materials are mixed and react, existing devices are unable to quickly balance local high temperatures, resulting in uneven material curing speed and affecting the production quality of plastic running track materials.

[0003] Therefore, a mixing device for plastic running track materials is proposed to solve the problems mentioned above. Utility Model Content

[0004] To address the shortcomings of existing technologies, this invention provides a mixing device for plastic running track materials. By incorporating a spiral preheating and cooling water passage inside the mixing drum and a mixing rod containing a mixing water-cooling passage, the mixing drum can be heated to a suitable temperature before mixing. During mixing, the mixing water-cooling passage directly contacts the high-temperature area for heat exchange. A temperature detection probe monitors the temperature, regulating the reaction temperature to prevent localized overheating and ensuring a thorough and uniform chemical reaction, thus improving the production quality of the plastic running track materials. The flat spiral mixing blades increase the contact area with the raw materials, further enhancing heat exchange efficiency and solving the problems mentioned in the background technology.

[0005] To achieve the above objectives, this utility model provides the following technical solution: It includes a mixing tank and a mixing rod. The mixing tank has a preheating and cooling water passage inside its body. The mixing rod has a hollow structure and an internal mixing and cooling water passage. A temperature detection probe is installed at the bottom inner side of the mixing tank. A drive assembly for driving the mixing rod to rotate is connected to the top of the mixing rod. The mixing rod includes a main shaft and mixing blades connected to the main shaft. The main shaft is hollow at both ends, and the mixing blades are flat spiral mixing blades.

[0006] Preferably, the preheating hot water and cold water passage is spirally arranged within the interlayer of the cylinder. The two ends of the preheating hot water and cold water passage are respectively connected to the hot water output end and the cold water input end of the temperature control system. The inner wall of the stirring tank is provided with a temperature uniformity enhancement structure, which consists of spirally arranged protrusions that are consistent with the spiral direction of the preheating hot water and cold water passage.

[0007] Preferably, the main shaft is provided with a water inlet and a water outlet at both ends and connected to a temperature control system, and a rotary joint is installed at the water inlet and the water outlet of the main shaft.

[0008] Preferably, the stirring water cooling passage includes water passage cavities at both ends of the main shaft and guide grooves opened inside the stirring blades. The water passage cavities are connected to the guide grooves. The guide grooves are distributed in a serpentine shape. The cross-sectional area of ​​the guide grooves gradually decreases from the end near the water inlet to the end away from the water inlet, with a reduction ratio of 10-20%.

[0009] Preferably, the rotary joint includes a fixed end and a rotating end. The fixed end is connected to the water pipe of the temperature control system through a metal hose, and the rotating end is in sealed communication with the water passage of the main shaft. A wear-resistant sealing ring is provided between the rotating end and the fixed end of the rotary joint.

[0010] Preferably, the drive assembly includes a drive motor, a reducer, and a first gear. The drive motor is connected to the first gear through the reducer, and a second gear is fixedly connected to the top of the main shaft. The first gear meshes with the second gear.

[0011] Preferably, the outer side of the cylinder is provided with a heat insulation layer, which is polyurethane foam, and the temperature control system is connected to an external hot water source and a cold water source.

[0012] Compared with the prior art, the present invention provides a mixing device for plastic running track materials, which has the following beneficial effects:

[0013] 1. By setting a spiral preheating and cooling water passage inside the mixing tank and a mixing water cooling passage inside the mixing rod, the mixing tank can be heated to a suitable temperature before mixing. During mixing, the mixing water cooling passage directly contacts the high-temperature area for heat exchange. With the help of a temperature detection probe to monitor the temperature and control the reaction temperature to avoid local overheating, the chemical reaction is ensured to be fully and uniform, thus improving the production quality of plastic track materials. The design of the flat spiral mixing blades increases the contact area with the raw materials, further improving the heat exchange efficiency. Attached Figure Description

[0014] The accompanying drawings, which are included to provide a further understanding of this application and form part of this application, illustrate exemplary embodiments and are used to explain this application, but do not constitute an undue limitation of this application. In the drawings:

[0015] Figure 1 A side view of the mixing device for plastic track materials according to this utility model;

[0016] Figure 2 A cross-sectional structural schematic diagram of the mixing device for plastic running track materials according to this utility model;

[0017] Figure 3 An enlarged structural diagram of point A provided for the mixing device for plastic track materials of this utility model;

[0018] Figure 4 A schematic diagram of the cross-sectional structure of the mixing tank wall provided by the mixing device for plastic track materials of this utility model;

[0019] Figure 5 This is a schematic diagram of the mixing water-cooling passage structure provided by the mixing device for plastic running track materials of this utility model.

[0020] In the diagram: 1. Mixing tank; 2. Mixing rod; 3. Drive assembly; 4. Temperature detection probe; 5. Preheating water cooling passage; 6. Mixing water cooling passage; 7. Rotary joint; 8. Cylinder; 9. Temperature control system; 10. Water passage; 11. Guide channel; 12. Water inlet; 13. Water outlet; 14. Gear No. 2; 15. Insulation layer; 16. Temperature uniformity enhancement structure; 201. Main shaft; 202. Mixing blade; 301. Drive motor; 302. Reducer; 303. Gear No. 1; 701. Fixed end; 702. Rotating end. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0022] Example:

[0023] Please see Figure 1 - Figure 5This embodiment of a mixing device for plastic running track materials includes a mixing tank 1 and a mixing rod 2. The mixing tank 1 has a preheating water cooling passage 5 inside its cylinder 8, which heats the temperature inside the mixing tank 1 to a suitable temperature before mixing by introducing hot water, providing a suitable initial environment for the raw material reaction. The mixing rod 2 has a hollow structure and an internal mixing water cooling passage 6, allowing for temperature control of high-temperature areas during mixing and direct contact with the raw materials for heat exchange. A temperature detection probe 4 is installed at the bottom inside the mixing tank 1 to monitor the temperature of the raw materials inside the mixing tank 1 in real time. A drive assembly 3 is connected to the top of the mixing rod 2 to drive the mixing rod 2 to rotate and achieve mixing of the raw materials. The mixing rod 2 has a hollow structure and an internal mixing water cooling passage 6, which includes water chambers 1 at both ends of the main shaft 201. The stirring rod 2 includes a main shaft 201 and stirring blades 202 connected to the main shaft 201. The stirring blades 202 are flat spiral stirring blades, which increase the contact area with the raw materials, improve the heat exchange efficiency and stirring effect. Through the cooperation of the preheating water cooling passage 5, the stirring water cooling passage 6 and the temperature detection probe 4, the material is heated to a suitable temperature before stirring. The temperature is controlled in real time during stirring to avoid local overheating, ensure that the chemical reaction is fully and evenly carried out, and improve the production quality of plastic track materials.

[0024] The preheating and cooling passage 5 is spirally arranged in the interlayer of the cylinder 8, with its two ends connected to the hot water output end and the cold water input end of the temperature control system 9, respectively. The inner wall of the mixing tank 1 is provided with a temperature uniformity enhancement structure 16, which consists of spirally arranged protrusions that are consistent with the spiral direction of the preheating and cooling passage 5. This design increases the contact area with the material inside the cylinder 8, making the heat transfer more uniform.

[0025] The stirring water cooling passage 6 includes water passage chambers 10 at both ends of the main shaft 201 and guide grooves 11 opened inside the stirring blades 202. The water passage chambers 10 and guide grooves 11 are connected. Heat exchange is carried out by direct contact between the stirring blades 202 and the high-temperature raw materials. The main shaft 201 is provided with water inlet 12 and water outlet 13 at both ends and connected to the temperature control system 9. Rotary joints 7 are installed at the water inlet 12 and water outlet 13 respectively. The rotary joint 7 includes a fixed end 701 and a rotating end 702. The fixed end 701 is connected to the water pipe of the temperature control system 9 through a metal hose. The rotating end 702 is sealed and connected to the water passage chamber 10 of the main shaft 201. A wear-resistant sealing ring is provided between the rotating end 702 and the fixed end 701. During the stirring process, the serpentine distribution guide grooves (11) penetrate into the raw materials as the blades rotate. Precise heat exchange is achieved in the high-temperature area through the circulation of coolant.

[0026] The drive assembly 3 includes a drive motor 301, a reducer 302, and a first gear 303. The drive motor 301 is connected to the first gear 303 via the reducer 302. A second gear 14 is fixedly connected to the top of the main shaft 201. The first gear 303 meshes with the second gear 14 to achieve stable drive of the stirring rod 2 by the drive motor. An insulation layer 15, made of polyurethane foam, is provided on the outside of the cylinder 8 to reduce heat loss from the stirring tank 1 and maintain temperature stability. The temperature control system 9 is connected to an external hot water source and a cold water source. The temperature control system 9 is electrically connected to the temperature detection probe 4 and also electrically connected to the drive motor 301 to coordinate control based on the temperature signal collected by the temperature detection probe 4. The temperature control system 9 controls the start and stop of the drive motor 301 and the opening and closing of the hot water source valve and the cold water source valve. Before stirring, the hot water source valve is controlled by the temperature control system 9 to supply hot water to the preheating hot water and cold water passage 5. The preheating hot water and cold water passage 5 heats the stirring tank 1. After the temperature detection probe 4 detects that the temperature has reached the preset temperature, the water supply is stopped. The temperature control system 9 starts the drive motor 301, which drives the stirring rod 2 to start stirring through the reducer 302 and gear meshing transmission. During stirring, the temperature control system 9 controls the cold water source valve to open and supply water to the stirring water and cold water passage 6. The temperature detection probe 4 monitors the raw material temperature in real time and feeds it back to the temperature control system 9. The temperature control system 9 dynamically adjusts the cold water flow rate according to the temperature change to realize automatic temperature control during the stirring process.

[0027] The working principle of the above embodiment is as follows: before stirring, hot water is passed through the preheating and cooling passage 5 to heat the stirring tank 1. The spiral-shaped preheating and cooling passage 5 heats the cylinder 8 to a suitable temperature. The insulation layer 15 reduces heat loss. In the drive assembly 3, the drive motor 301 drives the main shaft 201 to rotate through the meshing of the reducer 302, the first gear 303 and the second gear 14. At the same time, various raw materials are added to the stirring tank 1, and the stirring blades 202 stir the raw materials. During the stirring process, cold water is introduced through the water inlet 12 and the guide groove 11 in the stirring blades 202. The stirring water cooling passage 6 directly contacts the high-temperature raw materials for heat exchange. The temperature detection probe 4 monitors the temperature in real time and feeds it back to the temperature control system 9 so as to regulate the introduction of cold water and avoid local overheating.

[0028] The installation, connection, or setting methods disclosed in this embodiment are all common mechanical connection methods. As long as they can achieve their beneficial effects, they can be implemented. Therefore, this embodiment will not elaborate on their specific structural composition and working principle.

[0029] If certain terms are used in the specification and claims to refer to specific components, those skilled in the art will understand that hardware manufacturers may use different names to refer to the same component. This specification and claims do not distinguish components based on differences in name, but rather on differences in function. The term "comprising" as used throughout the specification and claims is an open-ended term and should be interpreted as "comprising but not limited to".

[0030] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A mixing device for plastic running track materials, characterized in that: The device includes a mixing tank (1) and a stirring rod (2). The mixing tank (1) has a preheating water cooling passage (5) inside its cylinder (8). The stirring rod (2) is hollow and has a stirring water cooling passage (6) inside. A temperature detection probe (4) is installed on the bottom inside the mixing tank (1). A drive assembly (3) for driving the stirring rod (2) to rotate is connected to the top of the stirring rod (2). The stirring rod (2) includes a main shaft (201) and stirring blades (202) connected to the main shaft (201). The main shaft (201) is hollow at both ends. The stirring blades (202) are flat spiral stirring blades.

2. The mixing device for plastic running track material according to claim 1, characterized in that: The preheating and cooling passage (5) is spirally arranged in the interlayer of the cylinder (8). The two ends of the preheating and cooling passage (5) are respectively connected to the hot water output end and the cold water input end of the temperature control system (9). The inner wall of the stirring tank (1) is provided with a temperature uniformity enhancement structure (16). The temperature uniformity enhancement structure (16) is a spirally arranged protrusion that is consistent with the spiral direction of the preheating and cooling passage (5).

3. The mixing device for plastic running track material according to claim 1, characterized in that: The main shaft (201) is provided with an inlet (12) and an outlet (13) at both ends and is connected to the temperature control system (9). Rotary joints (7) are installed at the inlet (12) and outlet (13) of the main shaft (201).

4. The mixing device for plastic running track material according to claim 3, characterized in that: The stirring water cooling passage (6) includes water passage chambers (10) at both ends of the main shaft (201) and a guide groove (11) opened inside the stirring blade (202). The water passage chambers (10) are connected to the guide grooves (11). The guide grooves (11) are distributed in a serpentine shape. The cross-sectional area of ​​the guide grooves (11) gradually decreases from the end near the water inlet (12) to the end away from the water inlet (12), with a reduction ratio of 10-20%.

5. The mixing device for plastic running track material according to claim 4, characterized in that: The rotary joint (7) includes a fixed end (701) and a rotating end (702). The fixed end (701) is connected to the water pipe of the temperature control system (9) through a metal hose. The rotating end (702) is sealed and connected to the water passage (10) of the main shaft (201). A wear-resistant sealing ring is provided between the rotating end (702) and the fixed end (701) of the rotary joint (7).

6. The mixing device for plastic running track material according to claim 1, characterized in that: The drive assembly (3) includes a drive motor (301), a reducer (302) and a first gear (303). The drive motor (301) is connected to the first gear (303) through the reducer (302). A second gear (14) is fixedly connected to the top of the main shaft (201). The first gear (303) meshes with the second gear (14).

7. The mixing device for plastic running track material according to claim 1, characterized in that: The outer side of the cylinder (8) is provided with a heat insulation layer (15), which is polyurethane foam. The temperature control system (9) is connected to an external hot water source and a cold water source. The temperature control system (9) is electrically connected to the temperature detection probe (4).

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