TPU material mixing and stirring device

Abstract

The utility model discloses a kind of TPU material mixing stirring devices, including stirring mechanism and drying mechanism, the stirring mechanism includes base, with the three jar bodies of the base top solid connection, rotating and the stirring rod of the jar body bottom, drying mechanism, the drying mechanism includes three air guide channels respectively solid in the three jar bodies bottom, multiple fan blades are rotationally arranged in air guide channel inside and are enclosed in the stirring rod bottom end. In the utility model, after starting high-pressure air heater, hot air continues to act on the outer wall of thick pipe and thin pipe, so that its pipe wall temperature rises, thereby drying the moisture in material, in this process, material enters thin pipe from thick pipe and is compressed, forms "thin column" flow, this form helps the heat of pipe wall more efficiently transfer to material inside, improves drying efficiency, then, material shunt enters three jar bodies inside, material injection dispenses with waiting, greatly improves stirring efficiency.

Description

Technical Field

[0001] This utility model relates to the technical field of mixing and stirring devices, specifically a TPU material mixing and stirring device. Background Technology

[0002] TPU, or thermoplastic polyurethane elastomer rubber, is mainly divided into polyester and polyether types. It has a wide hardness range (60HA-85HD), is wear-resistant, oil-resistant, transparent, and has good elasticity. It is widely used in daily necessities, sporting goods, toys, decorative materials, and other fields. Halogen-free flame-retardant TPU can also replace soft PVC to meet the environmental protection requirements of more and more fields.

[0003] TPU molecules contain highly polar amide and ester groups, making them highly sensitive to moisture and prone to absorbing moisture from the air. Furthermore, the agitation process during processing significantly increases the surface area in contact with air, further exacerbating moisture absorption. The absorbed moisture vaporizes during subsequent high-temperature processing (above 100°C), leading to internal bubble formation and hydrolytic degradation of the TPU polymer chains, thus damaging the material's structure and properties. To mitigate the impact of moisture, TPU materials are typically dried before agitation. Currently, the commonly used drying process takes approximately 2-4 hours, which not only easily leads to over-drying and increased energy consumption but also reduces overall agitation efficiency. Utility Model Content

[0004] This utility model aims to solve one of the technical problems existing in the prior art or related technologies.

[0005] Therefore, the technical solution adopted by this utility model is as follows:

[0006] A TPU material mixing and stirring device includes a stirring mechanism and a drying mechanism. The stirring mechanism includes a base, three tanks fixedly connected to the top of the base, and a stirring rod rotatably passing through the bottom of the tanks. The drying mechanism includes three air guide channels fixedly connected to the bottom of the three tanks, multiple fan blades rotatably disposed inside the air guide channels and surrounding the bottom of the stirring rod, a high-pressure air duct fixedly connected to one side of the air guide channels, a drying chamber connected between the multiple high-pressure air ducts, a high-pressure hot air fan connected to the top of the drying chamber, multiple thick pipes disposed inside the drying chamber, and a thin pipe connected to one end of the thick pipes, the outer end of the thin pipe being connected to the top of the tank.

[0007] By adopting the above technical solution, after the high-pressure hot air blower is started, the hot air continuously acts on the outer walls of the coarse and fine tubes, causing the tube wall temperature to rise, thereby drying the moisture in the material. During this process, the material enters the fine tube from the coarse tube and is compressed, forming a "fine column" flow. This shape helps the heat from the tube wall to be transferred to the inside of the material more efficiently, improving the drying efficiency. Subsequently, the material is diverted into the three tanks, eliminating the need for waiting for material injection and greatly improving the stirring efficiency.

[0008] In a preferred embodiment, the present invention can be further configured such that: the air guide channel is composed of a circular box, an air inlet pipe and an air outlet pipe, the air inlet pipe and the air outlet pipe are respectively fixed to both sides of the circular box, and both are connected to the inside of the circular box; the bottom end of the high-pressure air pipe is connected to the outer end of the air inlet pipe.

[0009] In a preferred embodiment, the present invention can be further configured as follows: a filling mechanism is provided on one side of the drying chamber, the filling mechanism includes a material box fixed to one side of the drying chamber, an extrusion plate rotatably installed inside the material box, a motor connected between the material box and the extrusion plate, and the other end of the thick pipe extends into the inside of the material box and communicates with the inside of the material box.

[0010] In a preferred embodiment, the present invention can be further configured such that the top of the inner cavity of the material box is set as an arc surface, and the outer side of the extrusion plate is in contact with the arc surface.

[0011] In a preferred embodiment, the present invention can be further configured such that: a discharge mechanism is provided on the outside of the tank body, the discharge mechanism includes a discharge pipe connected and communicating with the tank body, and a pipe cap screwed to the outer end of the discharge pipe, the discharge pipe being close to the bottom of the tank body.

[0012] In a preferred embodiment, the present invention can be further configured such that: a feeding channel is installed on the top of the material box, the feeding channel is inclined and communicates with the inside of the material box.

[0013] By adopting the above technical solution, the beneficial effects achieved by this utility model are as follows:

[0014] 1. In this utility model, after the high-pressure hot air blower is started, the hot air continuously acts on the outer walls of the coarse and fine tubes, causing the tube wall temperature to rise, thereby drying the moisture in the material. During this process, the material enters the fine tube from the coarse tube and is compressed, forming a "fine column" flow. This shape helps the heat from the tube wall to be transferred to the inside of the material more efficiently, improving the drying efficiency. Subsequently, the material is diverted into the three tanks, eliminating the need for waiting for material injection and greatly improving the stirring efficiency.

[0015] 2. In this invention, high-pressure hot air in the drying chamber is introduced into three air guide channels through multiple high-pressure air pipes. Under the impact of the high-pressure airflow, the stirring rod equipped with fan blades begins to rotate, stirring and mixing the materials in the tank. Here, since the materials are dispersed into the three tanks in advance, the resistance experienced by the stirring rod is small, and the high-pressure hot air can smoothly drive the stirring rod to rotate. The stirring operation can be completed with the help of high-pressure hot air, effectively reducing the power consumption of the device. Attached Figure Description

[0016] Figure 1 This is a perspective view of the overall structure of this utility model;

[0017] Figure 2 This is a bottom view of the overall structure of this utility model;

[0018] Figure 3 This is a schematic diagram showing the cooperation relationship between the mixing mechanism and the discharging mechanism of this utility model;

[0019] Figure 4 This is a schematic diagram of the drying mechanism of this utility model;

[0020] Figure 5 This is a schematic diagram showing the connection between the air guide channel and the stirring rod of this utility model;

[0021] Figure 6 This is a schematic diagram of the material discharge mechanism and the relationship between the coarse and fine tubes of this utility model.

[0022] Figure label:

[0023] 100. Stirring mechanism; 110. Base; 120. Tank body; 130. Stirring rod;

[0024] 200. Drying mechanism; 210. Air duct; 211. Round box; 212. Air inlet pipe; 213. Air outlet pipe; 220. Fan blade; 230. High-pressure air duct; 240. Drying chamber; 250. High-pressure hot air blower; 260. Thick pipe; 270. Thin pipe;

[0025] 300. Filling mechanism; 310. Material box; 320. Extrusion plate; 330. Motor;

[0026] 400. Discharge mechanism; 410. Discharge pipe; 420. Pipe cover;

[0027] 500. Feeding channel. Detailed Implementation

[0028] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to specific embodiments and accompanying drawings. It should be noted that, unless otherwise specified, the embodiments and features of the present utility model can be combined with each other.

[0029] It should be understood that these descriptions are merely exemplary and not intended to limit the scope of this invention.

[0030] The following describes, with reference to the accompanying drawings, some embodiments of the present invention, a TPU material mixing and stirring device.

[0031] Example 1:

[0032] Combination Figure 1-6 As shown, the present invention provides a TPU material mixing and stirring device, including a stirring mechanism 100 and a drying mechanism 200. The stirring mechanism 100 includes a base 110, three tanks 120 fixed to the top of the base 110, and a stirring rod 130 rotatably passing through the bottom of the tank 120.

[0033] The drying mechanism 200 includes three air guide channels 210 respectively fixed to the bottom of three tanks 120, multiple fan blades 220 rotatably disposed inside the air guide channels 210 and surrounding the bottom of the stirring rod 130, a high-pressure air duct 230 fixed to one side of the air guide channels 210, a drying chamber 240 connected between the multiple high-pressure air ducts 230, a high-pressure hot air blower 250 connected to the top of the drying chamber 240, multiple thick pipes 260 disposed inside the drying chamber 240, and a thin pipe 270 connected to one end of the thick pipes 260, the outer end of the thin pipe 270 being connected to the top of the tank 120.

[0034] Furthermore, the air guide channel 210 is composed of a circular box 211, an air inlet pipe 212, and an air outlet pipe 213. The air inlet pipe 212 and the air outlet pipe 213 are respectively fixed to both sides of the circular box 211, and both are connected to the inside of the circular box 211. The bottom end of the high-pressure air pipe 230 is connected to the outer end of the air inlet pipe 212. The structural design of the air guide channel 210 allows the high-pressure hot air to be smoothly discharged after entering the air guide channel 210, avoiding damage to the air guide channel 210 due to excessive pressure.

[0035] Example 2:

[0036] Combination Figure 1 , 2 and Figure 6As shown, based on Embodiment 1, a filling mechanism 300 is provided on one side of the drying chamber 240. The filling mechanism 300 includes a material box 310 fixed to one side of the drying chamber 240, an extrusion plate 320 rotatably installed inside the material box 310, and a motor 330 connected between the material box 310 and the extrusion plate 320. The other end of the thick pipe 260 extends into the material box 310 and communicates with the inside of the material box 310. When the material box 310 is filled with material, the motor 330 drives the extrusion plate 320 to rotate. The extrusion plate 320 extrudes the internal space of the material box 310, so that all the material enters the three thick pipes 260, and then is injected into the three tanks 120 through the thin pipes 270. Through the filling mechanism 300, the material can be transported, providing conditions for the smooth development of the drying and stirring processes.

[0037] Furthermore, the top of the inner cavity of the material box 310 is set as an arc surface, and the outer side of the extrusion plate 320 is in contact with the arc surface. The arc surface design ensures that the material will not flow in reverse when the extrusion plate 320 reduces the inner space of the material box 310.

[0038] Furthermore, a feeding channel 500 is installed on the top of the material box 310. The feeding channel 500 is inclined and communicates with the inside of the material box 310. The feeding channel 500 can intermittently inject material into the material box 310. When the extrusion plate 320 extrudes the inside of the material box 310, the feeding channel 500 stops injecting material, and vice versa.

[0039] Example 3:

[0040] Combination Figure 1-4 As shown, in the above embodiment, a discharge mechanism 400 is provided on the outside of the tank 120. The discharge mechanism 400 includes a discharge pipe 410 connected and communicating with the tank 120 and a pipe cap 420 screwed to the outer end of the discharge pipe 410. The discharge pipe 410 is close to the bottom of the tank 120. After the material in the tank 120 is stirred, the pipe cap 420 is opened to allow the material in the tank 120 to be discharged through the discharge pipe 410.

[0041] Working principle and usage process of this utility model:

[0042] After the high-pressure hot air blower 250 is started, the hot air continues to act on the outer walls of the coarse pipe 260 and the fine pipe 270, causing the pipe wall temperature to rise, thereby drying the moisture in the material. During this process, the material enters the fine pipe 270 from the coarse pipe 260 and is compressed, forming a "fine column" flow. This shape helps the heat from the pipe wall to be transferred to the inside of the material more efficiently, improving the drying efficiency. Subsequently, the material is diverted into the three tanks 120.

[0043] At the same time, the high-pressure hot air in the drying chamber 240 is introduced into the three air guide channels 210 through multiple high-pressure air pipes 230. Under the impact of the high-pressure airflow, the stirring rod 130 equipped with fan blades 220 starts to rotate, stirring and mixing the materials in the tank 120. Here, since the materials are dispersed into the three tanks 120 in advance, the resistance of the stirring rod 130 is small, and the high-pressure hot air can smoothly drive the stirring rod 130 to rotate.

[0044] From drying to mixing, the hot air generated by the high-pressure hot air blower 250 is used for both material drying and mixing operations, achieving the dual-purpose functionality of one machine.

[0045] Although embodiments of the present invention have been shown and described, those skilled in the art will understand 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 claims and their equivalents.

Claims

1. A TPU material mixing and stirring device, characterized in that, include: A mixing mechanism (100) includes a base (110), three tanks (120) fixedly connected to the top of the base (110), and a stirring rod (130) that rotatably passes through the bottom of the tanks (120). The drying mechanism (200) includes three air guide channels (210) fixed to the bottom of three tanks (120), multiple fan blades (220) rotatably disposed inside the air guide channels (210) and surrounding the bottom of the stirring rod (130), a high-pressure air pipe (230) fixed to one side of the air guide channels (210), a drying chamber (240) connected between the multiple high-pressure air pipes (230), a high-pressure hot air blower (250) connected to the top of the drying chamber (240), multiple thick pipes (260) disposed inside the drying chamber (240), and a thin pipe (270) connected to one end of the thick pipes (260), the outer end of the thin pipe (270) being connected to the top of the tank (120).

2. The TPU material mixing and stirring device according to claim 1, characterized in that, The air guide channel (210) is composed of a round box (211), an air inlet pipe (212) and an air outlet pipe (213). The air inlet pipe (212) and the air outlet pipe (213) are respectively fixed to both sides of the round box (211) and both are connected to the inside of the round box (211). The bottom end of the high-pressure air pipe (230) is connected to the outer end of the air inlet pipe (212).

3. The TPU material mixing and stirring device according to claim 1, characterized in that, A filling mechanism (300) is provided on one side of the drying chamber (240). The filling mechanism (300) includes a material box (310) fixed to one side of the drying chamber (240), an extrusion plate (320) rotatably installed inside the material box (310), and a motor (330) connected between the material box (310) and the extrusion plate (320). The other end of the thick tube (260) extends into the inside of the material box (310) and communicates with the inside of the material box (310).

4. The TPU material mixing and stirring device according to claim 3, characterized in that, The top of the inner cavity of the material box (310) is set as an arc surface, and the outer side of the extrusion plate (320) is in contact with the arc surface.

5. The TPU material mixing and stirring device according to claim 1, characterized in that, The tank body (120) is provided with a discharge mechanism (400) on the outside. The discharge mechanism (400) includes a discharge pipe (410) connected and communicating with the tank body (120) and a pipe cap (420) screwed to the outer end of the discharge pipe (410). The discharge pipe (410) is close to the bottom end of the tank body (120).

6. The TPU material mixing and stirring device according to claim 3, characterized in that, The top of the material box (310) is equipped with a feeding channel (500), which is inclined and communicates with the inside of the material box (310).

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