Granulation cooling structure for preparing plastic additive

Abstract

The utility model relates to the technical field of cooling devices, and discloses a granulation cooling structure for preparing a plastic additive, which comprises a treatment box, a feed pipe is arranged at the top of the treatment box, a discharge pipe is arranged at the bottom of the treatment box, a fixed cylinder is mounted in the treatment box, and a central shaft is mounted at the center of the fixed cylinder in a penetrating manner. A plurality of discharging ports are formed in the upper portion of the side face of the fixing cylinder, a spiral blade is installed on the center shaft, a plurality of stirring blades are installed at the bottom of the center shaft, a motor used for driving the center shaft to rotate is installed at the top of the treatment box, a plurality of vertical pipes are installed in the treatment box, and a plurality of nozzles are installed on the vertical pipes. The top of the vertical pipe extends to the outer side of the treatment box and is connected with a gas guide pipe. Plastic additives are conveyed to the upper portion in the fixing cylinder through the spiral blades and then thrown down, the plastic additives can make contact with cold air in an all-around mode, heat on the surfaces of the plastic additives can be rapidly dissipated, and then the cooling rate is effectively increased.

Description

Technical Field

[0001] The utility model relates to the technical field of cooling devices, in particular to a granulation cooling structure for preparing plastic additives. Background Art

[0002] Plastic additives, also known as plastic additives, are compounds that must be added to polymers during molding to improve their processing properties or to improve the performance of the resin itself. During the preparation of plastic additives, they need to be cooled and a cooling structure is required.

[0003] The existing Chinese patent with publication number CN213382359U discloses a stirring device with a cooling structure for plastic production, including a heating chamber, a processing chamber, a material guide device, a cooling plate, a stirring rod and a ventilation chamber. The heating chamber is installed above the processing chamber, the material guide device is fixed on the top of the processing chamber, and a cooling plate is installed on the inner wall of the processing chamber, and the cooling plate and the inner wall of the processing chamber have a certain inclined angle. The cooling of the plastic additive is carried out by rotating and contacting with the cooling plate, thereby accelerating its cooling time.

[0004] With respect to the above-mentioned related technologies, the cooling is accelerated by stirring with a stirring rod, but the plastic additives will still contact each other during the rotation. During the rotation, the plastic additives located in the middle area squeeze each other, resulting in a smaller heat dissipation gap, slower heat dissipation cooling, and reduced cooling speed. Utility Model Content

[0005] The technical problem to be solved by the utility model is that the existing cooling structure has a small heat dissipation gap and slow heat dissipation and cooling.

[0006] In order to solve the above problems, the technical solution of the utility model is: a granulation cooling structure for preparing plastic additives, including a processing box, a feed pipe is provided on the top of the processing box, and a discharge pipe is provided on the bottom, a fixed cylinder is installed inside the processing box, a central axis is installed through the center of the fixed cylinder, and a plurality of discharge ports are opened on the upper side of the fixed cylinder, a spiral blade is installed on the central axis, and a plurality of stirring blades are installed on the bottom of the central axis, a motor for driving the central axis to rotate is installed on the top of the processing box, a plurality of vertical pipes are installed inside the processing box, a plurality of nozzles are installed on the vertical pipes, and the tops of the vertical pipes extend to the outside of the processing box and are connected to air guide pipes.

[0007] Furthermore, a sealing cap is installed on the top of the feed pipe, a solenoid valve is installed on the discharge pipe, an exhaust pipe is provided on the side of the top of the processing box away from the feed pipe, and a filter is installed inside the exhaust pipe.

[0008] Furthermore, the fixing tube is fixedly installed inside the processing box through a plurality of positioning rods, and a plurality of through holes are opened on the side surface of the fixing tube.

[0009] Furthermore, a material guide groove is installed on the side of the fixed cylinder outside the discharge port.

[0010] Furthermore, the bottom of the spiral blade extends to the outside of the fixed cylinder.

[0011] Furthermore, a protective cover is provided on the outer side of the lower part of the processing box, and a cooling cavity is formed between the protective cover and the outer wall of the processing box. A water inlet pipe is provided on the lower part of one side of the cooling cavity, and a water outlet pipe is provided on the upper part of the other side.

[0012] The advantages of the utility model compared with the existing technology are: the utility model realizes cooling inside the processing box through cold water circulation, the motor drives the spiral blades and the stirring blades to rotate, the stirring blades flip the plastic additives, the spiral blades transport the plastic additives to the upper part of the fixed cylinder and then throw them down, so that the plastic additives can be exposed to the cold air in all directions, the heat on the surface can be quickly dissipated, and the cooling rate is improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 The utility model is a three-dimensional Figure 1 .

[0014] Figure 2 The utility model is a three-dimensional Figure 2 .

[0015] Figure 3 The utility model is a cross-sectional view Figure 1 .

[0016] Figure 4 The utility model is a cross-sectional view Figure 2 .

[0017] As shown in the figure: 1. Processing box; 2. Feed pipe; 3. Discharge pipe; 4. Fixed cylinder; 5. Central axis; 6. Spiral blade; 7. Stirring blade; 8. Motor; 9. Vertical pipe; 10. Nozzle; 11. Air guide pipe; 12. Exhaust pipe; 13. Positioning rod; 14. Material guide trough; 15. Protective cover; 16. Water inlet pipe; 17. Water outlet pipe. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments; based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0019] like Figures 1 to 3As shown, a granulation cooling structure for preparing plastic additives includes a processing box 1, a feed pipe 2 is provided at the top of the processing box 1, a discharge pipe 3 is provided at the bottom, a sealing cap is installed on the top of the feed pipe 2, a solenoid valve is installed on the discharge pipe 3, an exhaust pipe 12 is provided on the side of the top of the processing box 1 away from the feed pipe 2, and a filter is installed inside the exhaust pipe 12. A protective cover 15 is provided on the outer side of the lower part of the processing box 1, and a cooling cavity is formed between the protective cover 15 and the outer wall of the processing box 1, a water inlet pipe 16 is provided on the lower part of one side of the cooling cavity, and a water outlet pipe 17 is provided on the upper part of the other side.

[0020] The water inlet pipe 16 and the water outlet pipe 17 are connected to a cold water circulation system, and the plastic additive inside the processing box 1 is cooled as a whole by the cold water circulation.

[0021] like Figure 3 and Figure 4 As shown, a fixed cylinder 4 is installed inside the processing box 1, and the fixed cylinder 4 is fixedly installed inside the processing box 1 through a plurality of positioning rods 13, and a plurality of through holes are opened on the side of the fixed cylinder 4, a central axis 5 is installed through the center of the fixed cylinder 4, a plurality of discharge ports are opened on the upper side of the side of the fixed cylinder 4, and a material guide trough 14 is installed on the side of the fixed cylinder 4 outside the discharge port, a spiral blade 6 is installed on the central axis 5, and a plurality of stirring blades 7 are installed at the bottom of the central axis 5, and the bottom of the spiral blade 6 extends to the outside of the fixed cylinder 4, a motor 8 for driving the central axis 5 to rotate is installed on the top of the processing box 1, a plurality of vertical pipes 9 are installed inside the processing box 1, a plurality of nozzles 10 are installed on the vertical pipes 9, and the top of the vertical pipe 9 extends to the outside of the processing box 1 and is connected to an air guide pipe 11.

[0022] The air duct 11 is connected to the air cooler, and the air duct 11 conveys the cold air flow into the vertical pipe 9, and then sprays it out through the nozzle 10. The motor 8 drives the spiral blade 6 and the stirring blade 7 to rotate through the central shaft 5. The stirring blade 7 realizes the turning of the plastic additive. The spiral blade 6 conveys the plastic additive to the upper part of the fixed cylinder 4, and then throws it down through the material guide trough 14. The thrown plastic additive can be exposed to the cold air in all directions, thereby improving the cooling rate.

[0023] In specific use, the water inlet pipe 16 and the water outlet pipe 17 are connected to the cold water circulation system, the air guide pipe 11 is connected to the air cooler, and then the plastic additive to be cooled is added into the processing box 1 through the feed pipe 2, and the sealing cap is covered. The cooling inside the processing box 1 is achieved through the cold water circulation, and the motor 8 is turned on. The motor 8 drives the spiral blade 6 and the stirring blade 7 to rotate through the central axis 5. The plastic additive is turned over by the stirring blade 7. The spiral blade 6 transports the plastic additive to the upper part of the fixed cylinder 4 and then drops it, so that the plastic additive can be exposed to the cold air in all directions, so that the heat on its surface can be quickly dissipated, thereby improving the cooling rate.

[0024] The undisclosed parts in the present invention are all prior art, and their specific structures and working principles are not described in detail.

[0025] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including 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 device.

[0026] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

[0027] The above description of the utility model and its implementation methods is not restrictive. The drawings show only one implementation method of the utility model, and the actual structure is not limited thereto. In short, if ordinary technicians in this field are inspired by it and design structural methods and embodiments similar to the technical solution without creativity without departing from the purpose of the invention of the utility model, they should all fall within the protection scope of the utility model.

Claims

1. A granulation cooling structure for preparing plastic additives, comprising a processing box (1), wherein the processing box (1) is provided with a feed pipe (2) at the top and a discharge pipe (3) at the bottom, characterized in that: A fixed cylinder (4) is installed inside the processing box (1), a central shaft (5) is installed through the center of the fixed cylinder (4), a plurality of discharge ports are opened on the upper side of the fixed cylinder (4), a spiral blade (6) is installed on the central shaft (5), and a plurality of stirring blades (7) are installed at the bottom of the central shaft (5), a motor (8) for driving the central shaft (5) to rotate is installed on the top of the processing box (1), a plurality of vertical pipes (9) are installed inside the processing box (1), a plurality of nozzles (10) are installed on the vertical pipes (9), and the top of the vertical pipe (9) extends to the outside of the processing box (1) and is connected to an air guide pipe (11).

2. The granulation cooling structure for preparing plastic additives according to claim 1, characterized in that: A sealing cap is installed on the top of the feed pipe (2), a solenoid valve is installed on the discharge pipe (3), an exhaust pipe (12) is provided on the top of the processing box (1) away from the feed pipe (2), and a filter is installed inside the exhaust pipe (12).

3. The granulation cooling structure for preparing plastic additives according to claim 1, characterized in that: The fixed cylinder (4) is fixedly installed inside the processing box (1) via a plurality of positioning rods (13), and a plurality of through holes are opened on the side of the fixed cylinder (4).

4. The granulation cooling structure for preparing plastic additives according to claim 1, characterized in that: A material guide groove (14) is installed on the side of the fixed cylinder (4) outside the material outlet.

5. The granulation cooling structure for preparing plastic additives according to claim 1, characterized in that: The bottom of the spiral blade (6) extends to the outside of the fixed cylinder (4).

6. The granulation cooling structure for preparing plastic additives according to claim 1, characterized in that: A protective cover (15) is provided on the outer side of the lower part of the processing box (1), and a cooling chamber is formed between the protective cover (15) and the outer wall of the processing box (1). A water inlet pipe (16) is provided on the lower part of one side of the cooling chamber, and a water outlet pipe (17) is provided on the upper part of the other side.

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