A modified polystyrene raw material melting device

Abstract

This utility model relates to the field of plastic processing equipment technology, and provides a modified polystyrene raw material melting device, including: a mounting base; a heating component, disposed at the upper end of the mounting base and fixedly connected to the mounting base by reinforcing ribs; a feeding component, disposed on one side of the heating component; a crushing component, disposed at the lower end of the feeding component, forming a raw material channel between the two; and a conveying pipe, disposed on one side of the heating component, with its upper end communicating with the lower port of the feeding component. This utility model improves the mixing degree of the raw material through a multi-dimensional stirring and rotation structure. The second stirring shaft and stirring column of the feeding component provide initial stirring to prevent agglomeration, while the first stirring shaft, stirring column, and inner material cylinder of the heating component rotate in coordination, achieving multiple stirring of the raw material. Simultaneously, a cleaning brush rotates with the inner material cylinder to clean the leakage holes and prevent clogging, ensuring the stability of the device during the melting process, improving product quality stability, and reducing manual cleaning costs.

Description

Technical Field

[0001] This utility model relates to the field of plastic processing equipment technology, and in particular to a modified polystyrene raw material melting device. Background Technology

[0002] Polystyrene, a widely used basic material in the plastics processing industry, is extensively applied in packaging, electronics, and building decoration due to its hardness, good formability, and excellent electrical insulation. However, with the increasing performance requirements of various industries for plastic products, polystyrene alone can no longer meet diverse application needs. To expand its application scope and improve product performance, modification of polystyrene has become an important development direction in the industry.

[0003] Currently, the modification of polystyrene is usually carried out at the plastic granule stage. By mixing and adding modifying raw materials such as styrene-butadiene rubber, glass fiber, and flame retardants in a certain proportion, the physical and chemical properties of polystyrene are altered, giving it better toughness, strength, and flame retardancy. The mixed raw materials are then uniformly fused through a hot-melt process to obtain the modified polystyrene plastic.

[0004] Existing polystyrene raw material melting equipment lacks a crucial pretreatment step for the raw materials. Before entering the melting stage, modified polystyrene raw materials often exhibit diverse morphologies, potentially containing large particles, agglomerates, or even impurities. Directly feeding such untreated raw materials into the melting equipment severely impacts the subsequent melting process. Larger raw material particles struggle to transfer heat quickly and evenly to their interiors during melting. This results in the exterior potentially reaching or exceeding the optimal melting temperature, leading to overheating and subsequent decomposition, carbonization, and the generation of harmful gases, severely affecting product quality and polluting the environment. Meanwhile, the interior remains in an incompletely melted state, ultimately producing molten material with a large number of unmelted particles and extremely poor material uniformity, failing to meet the stringent quality requirements of the production process. Utility Model Content

[0005] The purpose of this invention is to solve the problem in the prior art that the lack of a raw material pretreatment step leads to poor subsequent melting effect.

[0006] To achieve the above objectives, the present invention adopts the following technical solution: a modified polystyrene raw material melting device, comprising: a mounting base; a heating component disposed at the upper end of the mounting base and fixedly connected to the mounting base by reinforcing ribs; a feeding component disposed on one side of the heating component; a crushing component disposed at the lower end of the feeding component, forming a raw material channel between the two components; and a conveying pipe disposed on one side of the heating component, with its upper end communicating with the lower port of the feeding component.

[0007] The technical effect of adopting the above-mentioned further solution is that by fixing the heating component with the mounting base, and combining it with the feeding, crushing components and conveying pipe, the raw materials can be crushed and conveyed, and finally melted by the heating component. This efficiently integrates the crushing and melting processes, and improves the raw material processing efficiency.

[0008] In a preferred embodiment, the heating assembly includes: a heating shell, fixedly connected to the upper end of the mounting base; an outer material cylinder, fixedly disposed inside the heating shell; an inner material cylinder, movably disposed inside the outer material cylinder, with a plurality of perforations through its outer surface; and a discharge port, disposed through the outer material cylinder, with its other end penetrating the heating shell and extending downward; wherein a gap is provided between the inner material cylinder and the outer material cylinder.

[0009] The technical effect of adopting the above-mentioned further solution is that the heating component is connected by a heating shell, an outer material cylinder and an inner material cylinder with a leakage hole. There is a gap between the inner material cylinder and the outer material cylinder. After the raw material is crushed, it enters and can be fully heated and melted. The molten material passes through the leakage hole to the outer material cylinder and is then discharged from the discharge port, which improves the melting efficiency and uniformity.

[0010] In a preferred embodiment, the heating assembly further includes: a first stirring shaft disposed inside the inner material cylinder along the axial direction of the inner material cylinder; a first stirring column, comprising multiple sets, welded to the outer surface of the first stirring shaft; and a first rotary motor connected to one end of the first stirring shaft.

[0011] The technical effect of adopting the above-mentioned further solution is that the stirring shaft drives the stirring column to rotate in the inner material cylinder, which on the one hand stirs the raw materials in the inner material cylinder, and on the other hand can break up a small amount of raw materials so that they can pass smoothly through the leakage hole into the outer material cylinder.

[0012] In a preferred embodiment, the feeding assembly includes: a storage hopper with a sealing cover at its upper end; a second stirring shaft rotatably disposed inside the storage hopper, with multiple sets of second stirring columns welded to its exterior; and a second motor with its output end fixedly connected to one end of the second stirring shaft.

[0013] The technical advantages of adopting the above-mentioned further solution are: the storage hopper is equipped with a sealing cover to prevent the raw materials from getting damp, and the second motor drives the second stirring shaft and multiple sets of stirring columns to rotate, which can evenly transport the raw materials to the crushing components and avoid blockage.

[0014] In a preferred embodiment, the crushing assembly includes: a crushing chamber disposed at the feed inlet at the lower end of the storage hopper; two crushing rollers rotatably mounted in the crushing chamber; and a second rotating shaft disposed in the middle of the crushing rollers.

[0015] The technical effect of adopting the above-mentioned further solution is that the crushing chamber receives the material from the storage hopper, and the two crushing rollers rotate by the second rotating shaft, which can crush the raw material into small pieces. Combined with the stirring and conveying of the feeding component, the raw material can enter the heating component for melting more easily, thereby improving the crushing efficiency and reducing the melting time.

[0016] In a preferred embodiment, the crushing assembly further includes: a second transmission gear, one side of which is meshed with a second driven gear, and the two are respectively fixedly connected to the ends of two second rotating shafts; and a second rotary motor, which is disposed on one side of the second transmission gear, and whose output end is connected to the second transmission gear through a rotating shaft.

[0017] The technical effect of adopting the above-mentioned further solution is that the motor drives the transmission gear to drive the driven gear, causing the two crushing rollers to rotate in opposite directions, which efficiently crushes the raw materials. Combined with stirring and feeding, the raw material particle size is more uniform, which helps to make the subsequent heating and melting more complete, thus improving the overall processing efficiency and effect.

[0018] In a preferred embodiment, the heating assembly further includes: a first driven gear fixedly connected to one end of the inner material cylinder; a first transmission gear disposed on one side of the first driven gear; and a first motor disposed on one side of the first transmission gear, the output end of which is connected to a first rotating shaft, the other end of which is connected to the first transmission gear, so that the inner material cylinder can rotate relative to the outer material cylinder around its central axis.

[0019] The technical effect of adopting the above-mentioned further solution is that the motor drives the gear to rotate the inner material cylinder relative to the outer material cylinder, which, together with the stirring shaft, makes the raw material heated more evenly and the discharge through the vent hole smoother.

[0020] In a preferred embodiment, the outer material cylinder is covered with a sealing cover, and a cleaning brush is provided inside the sealing cover along the axial direction of the outer material cylinder.

[0021] The technical effect of adopting the above-mentioned further solution is that the cleaning brush rotates with the inner material cylinder and rubs against the leakage hole, which can clean and unclog the leakage hole and avoid blockage.

[0022] Compared with the prior art, the advantages and positive effects of this utility model are as follows:

[0023] 1. This utility model employs a multi-dimensional stirring and rotation design. In the feeding assembly, the second stirring shaft inside the storage hopper and the second stirring column outside it, driven by a second motor, can initially stir the raw materials, preventing clumping and laying the foundation for subsequent mixing. In the heating assembly, the first stirring shaft and the first stirring column, driven by a first rotary motor, continuously stir the raw materials in the inner cylinder; simultaneously, the first motor, through the meshing of the first transmission gear and the first driven gear, causes the inner cylinder to rotate relative to the outer cylinder around its central axis. These two movements work together to achieve multiple stirring of the raw materials, greatly improving the degree of mixing and ensuring the uniform distribution of each component of the modified polystyrene raw material, facilitating subsequent melt processing.

[0024] 2. The cleaning brush inside the outer sealing cover of the outer material cylinder in this utility model will continuously rub against the leakage hole as the inner material cylinder rotates, thereby cleaning and unblocking the leakage hole, effectively preventing the leakage hole from being blocked by raw material residue, and ensuring that the raw material can smoothly pass through the leakage hole into the outer material cylinder. Attached Figure Description

[0025] Figure 1 A three-dimensional structural schematic diagram of a modified polystyrene raw material melting device provided by this utility model;

[0026] Figure 2 A side view of a modified polystyrene raw material melting device provided by this utility model;

[0027] Figure 3 A cross-sectional view of the feeding component of a modified polystyrene raw material melting device provided by this utility model;

[0028] Figure 4 This is a cross-sectional view of the heating component of a modified polystyrene raw material melting device provided by this utility model.

[0029] Legend:

[0030] 1. Mounting base; 2. Heating shell; 3. Outer material cylinder; 4. Inner material cylinder; 5. Leakage hole; 6. First driven gear; 7. First transmission gear; 8. First motor; 9. First rotating shaft; 10. First stirring shaft; 11. First stirring column; 12. First rotary motor; 13. Cleaning brush; 14. Discharge port; 15. Conveying pipe; 16. Storage hopper; 17. Sealing cover; 18. Second stirring shaft; 19. Second motor; 20. Second stirring column; 21. Crushing chamber; 22. Crushing roller; 23. Second rotating shaft; 24. Second transmission gear; 25. Second driven gear; 26. Second rotary motor; 27. Sealing cover. Detailed Implementation

[0031] 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.

[0032] Please see Figure 1-4 This utility model provides a technical solution: a modified polystyrene raw material melting device, characterized in that it includes a mounting base 1, a heating component, a feeding component, a crushing component, and a conveying pipe 15;

[0033] Mounting base 1 serves as the basic load-bearing structure for the entire device;

[0034] The heating component is securely mounted on the upper end of the mounting base 1 by reinforcing ribs, forming a reliable fixed connection with the mounting base 1;

[0035] The feeding component is located on the side of the heating component;

[0036] The crushing component is located below the feeding component, and the two form a channel for conveying raw materials;

[0037] The conveying pipe 15 is installed on one side of the heating component, and its upper end is precisely connected to the lower port of the feeding component to achieve smooth conveying of raw materials.

[0038] like Figure 1-4 As shown, the heating assembly consists of a heating shell 2, an outer material cylinder 3, an inner material cylinder 4, and a discharge port 14;

[0039] The heating shell 2 is firmly fixed to the upper end face of the mounting base 1, providing stable shell protection for the entire heating process;

[0040] The outer material cylinder 3 is securely embedded inside the heating shell 2;

[0041] The inner material cylinder 4 is placed inside the outer material cylinder 3 in a movable manner, and its outer surface is evenly distributed and has several through holes 5.

[0042] The discharge port 14 passes through the outer material cylinder 3 and the heating shell 2, forming a material discharge channel;

[0043] The heating assembly also includes a first stirring shaft 10, a first stirring column 11, a first rotary motor 12, a first driven gear 6, a first transmission gear 7, and a first motor 8;

[0044] The first stirring shaft 10 is arranged inside the inner material cylinder 4 along the axial direction of the inner material cylinder 4. Multiple sets of first stirring columns 11 are welded to the outer surface of the first stirring shaft 10. The first rotary motor 12 is connected to one end of the first stirring shaft 10 and can drive the first stirring shaft 10 to drive the first stirring columns 11 to stir the raw materials in the inner material cylinder 4, so as to promote uniform heating of the raw materials.

[0045] The first driven gear 6 is fixedly connected to one end of the inner material cylinder 4, the first transmission gear 7 is located on one side of the first driven gear 6, the first motor 8 is located on one side of the first transmission gear 7, and the other end of the first rotating shaft 9 connected to its output end is connected to the first transmission gear 7. Driven by the first motor 8, the inner material cylinder 4 can rotate relative to the outer material cylinder 3 around its central axis.

[0046] Among them, by adjusting the stirring direction of the outer material cylinder 3 and the first stirring shaft 10, multi-directional stirring of the raw materials can be achieved, thereby improving the stirring effect of the device;

[0047] The outer cover of the outer material cylinder 3 is provided with a sealing cover 27, and a cleaning brush 13 is provided inside the sealing cover 27 along the axial direction of the outer material cylinder 3;

[0048] As the inner material cylinder 4 rotates continuously, the cleaning brush 13, under the fixed action of the outer material cylinder 3, continuously rubs against the leakage hole 5 on the inner material cylinder 4, effectively cleaning and unblocking the leakage hole 5, ensuring that the raw material passes smoothly through the leakage hole 5 for melting treatment.

[0049] The inner material cylinder 4 and the outer material cylinder 3 are provided with a gap to facilitate the raw material to leak from the hole 5 into the outer material cylinder 3, thereby achieving uniform heating of the raw material in the inner material cylinder 4 by the heating shell 2 and improving the melting efficiency.

[0050] like Figure 1-4 As shown, the feeding assembly includes a storage hopper 16, a second stirring shaft 18, and a second motor 19;

[0051] The upper end of the storage hopper 16 is tightly covered with the sealing cap 17 to prevent the raw materials from getting damp or being mixed with impurities.

[0052] The second stirring shaft 18 is installed inside the storage hopper 16 via rotating components such as bearings, and multiple sets of second stirring columns 20 are uniformly welded to its exterior.

[0053] The output end of the second motor 19 is fixedly connected to one end of the second stirring shaft 18 via a coupling. Driven by the second motor 19, the second stirring shaft 18 drives the second stirring column 20 to rotate, which can stir the raw materials in the storage hopper 16, prevent the raw materials from clumping, and ensure the uniformity and continuity of the feeding.

[0054] like Figure 1-4As shown, the crushing assembly includes a crushing chamber 21, a crushing roller 22, a second rotating shaft 23, a second transmission gear 24, a second driven gear 25, and a second rotary motor 26;

[0055] The crushing chamber 21 is located at the feed inlet 14 at the lower end of the storage hopper 16, forming the working space for raw material crushing;

[0056] Two crushing rollers 22 are rotatably mounted in the crushing chamber 21 via a second rotating shaft 23. The second transmission gear 24 and the second driven gear 25 are respectively fixedly connected to the ends of the two second rotating shafts 23 and mesh with each other. The second rotary motor 26 is located on one side of the second transmission gear 24, and its output end is connected to the second transmission gear 24 via a rotating shaft.

[0057] Driven by the second rotary motor 26, the two crushing rollers 22 rotate in opposite directions, which can crush the raw materials falling from the storage hopper 16, facilitating subsequent melting processing.

[0058] Working principle: This equipment is a modified polystyrene raw material melting device. When in use, the modified polystyrene raw material is first put into the storage hopper 16, the sealing cover 17 is closed, and the second motor 19 is started. The second motor 19 drives the second stirring shaft 18 and the second stirring column 20 welded to its outside to rotate, stirring the raw material in the storage hopper 16 to prevent the raw material from clumping and ensure uniform feeding.

[0059] After being thoroughly mixed, the raw material enters the crushing chamber 21 from the feed inlet 14 at the lower end of the storage hopper 16. At this time, the second rotary motor 26 is started. The second rotary motor 26 drives the second transmission gear 24 to rotate through the rotating shaft. The second transmission gear 24 meshes with the second driven gear 25, driving the two crushing rollers 22 to rotate in opposite directions in the crushing chamber 21 through the second rotating shaft 23, crushing the raw material, reducing the particle size of the raw material, and making it easier to melt it subsequently.

[0060] The crushed raw material enters the heating assembly through the feed pipe 15. In the heating assembly, the heating shell 2 and the outer material cylinder 3 are securely mounted on the mounting base 1 by reinforcing ribs. The gap between the outer material cylinder 3 and the inner material cylinder 4 allows the raw material to leak out from the hole 5 into the outer material cylinder 3, thereby achieving uniform heating of the raw material in the inner material cylinder 4 by the heating shell 2 and improving the melting efficiency. The first motor 8 is started, and the first motor 8 drives the first transmission gear 7 to rotate through the first rotating shaft 9. The first transmission gear 7 meshes with the first driven gear 6, causing the inner material cylinder 4 to rotate relative to the outer material cylinder 3 around the central axis. At the same time, the first rotary motor 12 is started, and the first rotary motor 12 drives the first stirring shaft 10 and the first stirring column 11 to stir the raw material in the inner material cylinder 4, promoting uniform heating of the raw material.

[0061] During the heating process, the raw material in the inner cylinder 4, after being thoroughly stirred and dispersed, enters the outer cylinder 3 through the sieve hole 5. After being heated by the heating shell 2, it flows out through the discharge port 14 provided on the outer cylinder 3. As the inner cylinder 4 rotates continuously, the cleaning brush 13 inside the outer sealing cover 27 of the outer cylinder 3 continuously rubs against the sieve hole 5 to clean and unclog the sieve hole 5, ensuring that the raw material passes smoothly through the sieve hole 5, which facilitates the subsequent efficient melting treatment of the polystyrene raw material.

[0062] The above are merely preferred embodiments of this utility model and are not intended to limit the utility model in any other way. Any person skilled in the art may make changes or modifications to the above-disclosed technical content to create equivalent embodiments for application in other fields. However, any simple modifications, equivalent changes, and modifications made to the above embodiments based on the technical essence of this utility model without departing from the technical solution of this utility model shall still fall within the protection scope of this utility model.

Claims

1. A modified polystyrene raw material melting device, comprising: Mounting base (1), characterized in that, The heating component is located at the upper end of the mounting base (1) and is fixedly connected to the mounting base (1) by reinforcing ribs; The feeding component is located on one side of the heating component; The crushing component is located at the lower end of the feeding component, forming a raw material channel between the two components; The feeding pipe (15) is located on one side of the heating component, and its upper end is connected to the lower port of the feeding component.

2. The modified polystyrene raw material melting device according to claim 1, characterized in that, The heating component includes: Heating shell (2) is fixedly connected to the upper end of mounting base (1); The outer material cylinder (3) is fixedly installed inside the heating shell (2); The inner material cylinder (4) is movably disposed inside the outer material cylinder (3), and its outer surface is provided with several perforations (5). The discharge port (14) is installed through the outer material cylinder (3), and the other end passes through the heating shell (2) and extends downward; A gap is provided between the inner material cylinder (4) and the outer material cylinder (3).

3. The modified polystyrene raw material melting device according to claim 2, characterized in that, The heating assembly also includes: The first stirring shaft (10) is set inside the inner material cylinder (4) along the axial direction of the inner material cylinder (4); The first stirring column (11) is provided in multiple sets and is welded to the outer surface of the first stirring shaft (10); The first rotary motor (12) is connected to one end of the first stirring shaft (10).

4. The modified polystyrene raw material melting device according to claim 1, characterized in that, The feeding assembly includes: The storage hopper (16) is covered with a sealing cap (17) at its upper end. The second stirring shaft (18) is rotatably installed inside the storage hopper (16), and multiple sets of second stirring columns (20) are welded to its exterior. The output end of the second motor (19) is fixedly connected to one end of the second stirring shaft (18).

5. The modified polystyrene raw material melting device according to claim 1, characterized in that, The crushing component includes: The crushing chamber (21) is located at the discharge port at the lower end of the storage hopper (16); Two crushing rollers (22) are provided and are rotatably installed in the crushing chamber (21); The second rotating shaft (23) is located in the middle of the crushing roller (22).

6. The modified polystyrene raw material melting device according to claim 5, characterized in that, The crushing component also includes: The second transmission gear (24) has a second driven gear (25) meshing on one side, and the two are respectively fixedly connected to the ends of the two second rotating shafts (23); The second rotary motor (26) is located on one side of the second transmission gear (24), and its output end is connected to the second transmission gear (24) via a rotating shaft.

7. The modified polystyrene raw material melting device according to claim 2, characterized in that, The heating assembly also includes: The first driven gear (6) is fixedly connected to one end of the inner material cylinder (4); The first transmission gear (7) is located on one side of the first driven gear (6); The first motor (8) is located on one side of the first transmission gear (7), and its output end is connected to the first rotating shaft (9). The other end of the first rotating shaft (9) is connected to the first transmission gear (7), which allows the inner material cylinder (4) to rotate relative to the outer material cylinder (3) around its central axis.

8. The modified polystyrene raw material melting device according to claim 2, characterized in that: The outer material cylinder (3) is covered by a sealing cover (27), and a cleaning brush (13) is provided inside the sealing cover (27) along the axial direction of the outer material cylinder (3).

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