A polypropylene heating device

Abstract

This utility model discloses a polypropylene heating device, including a heating tank with heating components installed on the inner wall and a top cover fixedly connected to the upper side of the heating tank. This utility model, by incorporating components such as a stirring rod, scraper, transmission gear, and internal gear ring, enables the stirring rod and its mixing plate to be driven by a drive motor. Simultaneously, the transmission gear drives the internal gear ring to rotate, causing the scraper to also participate in the material agitation. This achieves stirring of the material from multiple angles and levels, significantly improving the thoroughness and uniformity of stirring compared to a single stirring method, further enhancing heating efficiency. Furthermore, it continuously scrapes away any material that may adhere to the wall, effectively preventing overheating and scorching caused by prolonged material adhesion to the inner wall, thus ensuring material quality and avoiding uneven heating due to material adhesion.

Description

Technical Field

[0001] This utility model relates to the field of polypropylene processing technology, specifically to a polypropylene heating device. Background Technology

[0002] Polypropylene heating devices are typically designed to raise polypropylene from room temperature to a temperature range that meets the requirements of subsequent processing through specific heating methods. This allows the polypropylene to achieve the appropriate degree of softening, fluidity, and other physical states. They are widely used in the plastics processing industry. Whether producing polypropylene pipes, sheets, films, or various injection molded products, it is necessary to use polypropylene heating devices to pre-treat the raw materials to ensure the smooth progress of subsequent processing steps and the quality of the products.

[0003] Typically, when heating polypropylene, a tank with a heating element installed on its inner wall is used. Polypropylene is injected into the tank, and a stirring mechanism within the tank agitates the polypropylene, mixing it with the heating element to achieve heating. However, in actual stirring, the stirring rod needs to rotate frequently, and its rotation method is relatively simple. To ensure proper stirring and avoid friction and damage from contact with the inner wall, the stirring plate usually does not contact the inner wall. Polypropylene typically becomes sticky after heating, adhering to the inner wall near the heating element. This can lead to overheating and scorching of the adhering portion, reducing product quality. Therefore, it is essential to design a practical polypropylene heating device that provides uniform stirring. Utility Model Content

[0004] The purpose of this invention is to provide a polypropylene heating device to solve the problems mentioned in the background art.

[0005] To solve the above-mentioned technical problems, the present invention provides the following technical solution: a polypropylene heating device, including a heating barrel, a heating component is provided on the inner wall of the heating barrel, a top cover is fixedly connected to the upper side of the heating barrel, a drive motor is connected to the upper fixing rod of the top cover, a stirring rod extending to the inner wall of the heating barrel is fixedly connected to the output end of the drive motor, and a plurality of mixing plates are fixedly connected to the stirring rod.

[0006] An internal gear ring is rotatably fitted on the lower side of the top cover, and multiple transmission gears meshing with the internal gear ring are rotatably fitted on the lower side of the top cover. A drive gear meshing with the multiple transmission gears is fixedly connected to the stirring rod. A protective plate is fixedly connected to the lower side of the internal gear ring, and two extension plates are fixedly connected to the protective plate. A scraper that contacts the inner wall of the heating tank is fixedly connected to the lower side of each of the two extension plates. A feeding mechanism is provided on the upper side of the top cover.

[0007] According to the above technical solution, the heating assembly includes a heating cavity formed in the inner wall of the heating barrel, and a heating tube fixedly connected to the inner wall of the heating cavity.

[0008] According to the above technical solution, the feeding mechanism includes a feeding port opened on the upper side of the top cover, a support plate fixedly connected to the inner wall of the feeding port, an electric motor fixedly connected to the lower side of the support plate, a dispersing plate fixedly connected to the output end of the electric motor, and a protective box fixedly connected to the lower side of the support plate and located outside the electric motor.

[0009] According to the above technical solution, a plurality of support legs are fixedly connected to the lower side of the heating barrel, and shock-absorbing pads are fixedly connected to the lower side of each of the plurality of support legs.

[0010] According to the above technical solution, two connecting plates are fixedly connected to the outside of the heating barrel, and a heat insulation plate located on the outside of the heating barrel is fixedly connected to the two connecting plates.

[0011] According to the above technical solution, a guide groove is provided on the lower side of the top cover, and an annular plate that is fixed to the internal gear ring is slidably fitted on the inner wall of the guide groove.

[0012] According to the above technical solution, the inner wall of the feed inlet is fixedly connected to a feed pipe located on the upper side of the support plate, and the inner wall of the feed pipe is fixedly connected to a funnel.

[0013] 1. This utility model, by incorporating components such as a stirring rod, scraper, transmission gear, and internal gear ring, enables the stirring rod and its mixing plate to be driven by a drive motor for stirring. Simultaneously, the transmission gear drives the internal gear ring to rotate, thereby allowing the scraper to also participate in the material agitation process. This achieves stirring of the material from multiple angles and levels, significantly improving the thoroughness and uniformity of stirring compared to a single stirring method. This further enhances heating efficiency. Furthermore, it continuously scrapes away any material that may adhere to the wall, effectively preventing overheating and scorching caused by prolonged material adhesion to the inner wall, thus ensuring material quality and avoiding uneven heating due to material adhesion.

[0014] 2. This utility model, by setting up a feeding mechanism, can realize the pre-dispersion of materials by the electric motor and dispersing plate in the feeding mechanism, to prevent lumpy materials from entering the heating tank, to ensure the uniform heating of materials after entering, to make the heating process more efficient, and to heat polypropylene to the required temperature more quickly. The dispersed materials are also easier to be fully turned and mixed by the mixing plate during stirring, thus improving the overall stirring effect. Attached Figure Description

[0015] The accompanying drawings are provided to further illustrate the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention, but do not constitute a limitation thereof. In the drawings:

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

[0017] Figure 2 This is a schematic diagram of the overall three-dimensional cross-sectional structure of this utility model;

[0018] Figure 3 This is a three-dimensional structural diagram of the stirring rod connection of this utility model;

[0019] Figure 4 This is a three-dimensional cross-sectional structural diagram of the feed pipe of this utility model;

[0020] In the diagram: 1. Heating tank; 2. Heating assembly; 201. Heating chamber; 202. Heating tube; 3. Drive motor; 4. Stirring rod; 5. Mixing plate; 6. Internal gear ring; 7. Transmission gear; 8. Drive gear; 9. Protective plate; 10. Extension plate; 11. Scraper; 12. Feeding mechanism; 121. Feed inlet; 122. Support plate; 123. Electric motor; 124. Dispersing plate; 125. Protective box; 13. Support leg; 14. Shock-absorbing pad; 15. Connecting plate; 16. Insulation plate; 17. Guide groove; 18. Annular plate; 19. Feeding pipe; 20. Funnel; 21. Top cover. 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] Please see Figure 1-4 The present invention provides a technical solution: a polypropylene heating device, including a heating barrel 1, a heating component 2 provided on the inner wall of the heating barrel 1, a top cover 21 fixedly connected to the upper side of the heating barrel 1, a drive motor 3 connected to the upper fixing rod of the top cover 21, a stirring rod 4 extending to the inner wall of the heating barrel 1 fixedly connected to the output end of the drive motor 3, the part extending to the heating barrel 1 being rotatably engaged, and a plurality of mixing plates 5 fixedly connected to the stirring rod 4;

[0023] An internal gear ring 6 is rotatably fitted on the lower side of the top cover 21, and multiple transmission gears 7 that mesh with the internal gear ring 6 are rotatably fitted on the lower side of the top cover 21. A drive gear 8 that meshes with the multiple transmission gears 7 is fixedly connected to the stirring rod 4. A protective plate 9 is fixedly connected to the lower side of the internal gear ring 6. The stirring rod 4 and the protective plate 9 are rotatably fitted. Two extension plates 10 are fixedly connected to the protective plate 9. A scraper 11 that contacts the inner wall of the heating tank 1 is fixedly connected to the lower side of each of the two extension plates 10. A feeding mechanism 12 is provided on the upper side of the top cover 21.

[0024] Please see Figure 2 The heating component 2 includes a heating chamber 201 formed on the inner wall of the heating barrel 1, and a heating pipe 202 fixedly connected to the inner wall of the heating chamber 201. When the heating pipe 202 is connected to the power supply, it begins to heat up. The heat is transferred to the polypropylene material inside the heating barrel 1 through the inner wall, so that the temperature of the material gradually rises to a suitable processing temperature range, in preparation for subsequent molding and other processing steps. The heating pipe 202 can be connected to a corresponding controller to control its heating temperature.

[0025] Please see Figure 1 and Figure 4 The feeding mechanism 12 includes a feed inlet 121 on the upper side of the top cover 21, a support plate 122 fixedly connected to the inner wall of the feed inlet 121, an electric motor 123 fixedly connected to the lower side of the support plate 122, a dispersing plate 124 fixedly connected to the output end of the electric motor 123, and a protective box 125 fixedly connected to the lower side of the support plate 122 and located outside the electric motor 123. By starting the electric motor 123, the dispersing plate 124 is driven to rotate, so that when the material flowing from the feed inlet 121 falls, the dispersing plate 124 can knock the material, breaking up any clumps, which is more convenient for subsequent heating operations. The output end of the electric motor 123 extends to the upper side of the support plate 122 and rotates in coordination.

[0026] Please see Figure 2 Multiple support legs 13 are fixedly connected to the lower side of the heating barrel 1. Each of the multiple support legs 13 is fixedly connected to a shock-absorbing pad 14. The support legs 13 evenly distribute the weight of the heating barrel 1 to the ground or other supporting plane. The shock-absorbing pad 14 can effectively reduce the vibration generated by the heating barrel 1 during operation and transmit it to the ground or other supporting structure.

[0027] Please see Figure 2 Two connecting plates 15 are fixedly connected to the outside of the heating barrel 1. A heat insulation plate 16 located on the outside of the heating barrel 1 is fixedly connected to the two connecting plates 15. The heat insulation plate 16 blocks the outside of the heating barrel 1, which not only has a certain heat preservation effect, but also isolates the high temperature to prevent burns to the staff.

[0028] Please see Figure 2 The top cover 21 has a guide groove 17 on its lower side. The inner wall of the guide groove 17 is slidably fitted with an annular plate 18 that is fixed to the internal gear ring 6. When the internal gear ring 6 is rotated, the annular plate 18 will rotate in the corresponding guide groove 17, thereby improving the stability of the rotation of the internal gear ring 6.

[0029] Please see Figure 1 and Figure 4 The inner wall of the feed inlet 121 is fixedly connected to the feed pipe 19 located on the upper side of the support plate 122. The inner wall of the feed pipe 19 is fixedly connected to the funnel 20, which facilitates the guidance of materials. At the same time, the funnel 20 is larger at the top and smaller at the bottom, which can prevent the material from being thrown out in the opposite direction by the dispersing plate 124 to a certain extent.

[0030] The implementation principle of this application is as follows: When using this device, firstly, the device is placed stably in the corresponding position. The material is transported by the corresponding conveying equipment, and the polypropylene particles enter from the feed pipe 19. After being guided by the funnel 20, they fall into the feed inlet 121. At the same time, the electric motor 123 is started, which drives the dispersing plate 124 to rotate at high speed to disperse the incoming polypropylene material, preventing the material from clumping and entering the heating tank 1. The dispersed material then falls into the heating tank 1. Then, the heating tube 202 inside the heating chamber 201 is started to heat the material inside the heating tank 1.

[0031] When the drive motor 3 drives the stirring rod 4 and the mixing plate 5 to rotate, it stirs the polypropylene material in the heating tank 1, ensuring that the material is fully mixed and heated evenly during the heating process. At the same time, the drive gear 8 fixed on the stirring rod 4 also rotates. The drive gear 8 meshes with multiple transmission gears 7, driving the transmission gears 7 to rotate. The transmission gears 7 then mesh with the internal gear ring 6, causing the internal gear ring 6 to rotate. The protective plate 9 fixedly connected to the lower side of the internal gear ring 6 and the two extension plates 10 fixedly connected to the protective plate 9 will rotate synchronously. The scraper 11 fixed to the lower side of the extension plate 10 slides tightly against the inner wall of the heating tank 1. On the one hand, it can prevent materials from sticking to the inner wall of the heating tank 1. On the other hand, it can scrape off the materials that have already stuck together during the rotation process, ensuring that the materials can participate in the stirring and heating process normally. It also facilitates the subsequent cleaning and maintenance of the heating tank 1. It effectively prevents materials from sticking to the inner wall for a long time, which may cause overheating, scorching, etc., thus ensuring the quality of the materials. At the same time, it avoids the problem of uneven heating caused by material sticking. The stirring rod 4 can achieve a certain transmission ratio to rotate the internal gear ring 6 through the transmission gear 7, so that when the mixing plate 5 rotates at high speed, its scraper 11 rotates slowly.

[0032] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0033] Finally, it should be noted that the above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A polypropylene heating device comprising a heating vat (1), characterized in that: The heating barrel (1) is provided with a heating component (2) on its inner wall. A top cover (21) is fixedly connected to the upper side of the heating barrel (1). A drive motor (3) is connected to the upper fixed rod of the top cover (21). A stirring rod (4) extending to the inner wall of the heating barrel (1) is fixedly connected to the output end of the drive motor (3). A plurality of mixing plates (5) are fixedly connected to the stirring rod (4). The lower side of the top cover (21) is rotatably fitted with an internal gear ring (6), and the lower side of the top cover (21) is rotatably fitted with multiple transmission gears (7) that mesh with the internal gear ring (6). The stirring rod (4) is fixedly connected with a drive gear (8) that meshes with the multiple transmission gears (7). The lower side of the internal gear ring (6) is fixedly connected with a protective plate (9), and two extension plates (10) are fixedly connected to the protective plate (9). The lower side of each of the two extension plates (10) is fixedly connected with a scraper (11) that contacts the inner wall of the heating barrel (1). The upper side of the top cover (21) is provided with a feeding mechanism (12).

2. A polypropylene heating device according to claim 1, characterized in that: The heating assembly (2) includes a heating chamber (201) formed in the inner wall of the heating barrel (1) and a heating tube (202) fixedly connected to the inner wall of the heating chamber (201).

3. The polypropylene heating device according to claim 1, characterized in that: The feeding mechanism (12) includes a feed inlet (121) opened on the upper side of the top cover (21), a support plate (122) fixedly connected to the inner wall of the feed inlet (121), an electric motor (123) fixedly connected to the lower side of the support plate (122), a dispersing plate (124) fixedly connected to the output end of the electric motor (123), and a protective box (125) fixedly connected to the lower side of the support plate (122) and located outside the electric motor (123).

4. The polypropylene heating device according to claim 1, characterized in that: The heating barrel (1) is fixedly connected to a plurality of support legs (13), and shock-absorbing pads (14) are fixedly connected to the lower side of each of the plurality of support legs (13).

5. A polypropylene heating device according to claim 1, characterized in that: Two connecting plates (15) are fixedly connected to the outside of the heating barrel (1), and a heat insulation plate (16) located on the outside of the heating barrel (1) is fixedly connected to the two connecting plates (15).

6. A polypropylene heating device according to claim 1, characterized in that: The top cover (21) has a guide groove (17) on its lower side, and the inner wall of the guide groove (17) is slidably fitted with an annular plate (18) that is fixed to the internal gear ring (6).

7. A polypropylene heating device according to claim 3, characterized in that: The inner wall of the feed inlet (121) is fixedly connected to a feed pipe (19) located on the upper side of the support plate (122), and the inner wall of the feed pipe (19) is fixedly connected to a funnel (20).

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