CN219902904U

CN219902904U - Microwave drying device for PBT plastic granules

Info

Publication number: CN219902904U
Application number: CN202321426324.2U
Authority: CN
Inventors: 贺鑫; 吕珊珊
Original assignee: Dongguan Hexing New Material Technology Co ltd
Current assignee: Dongguan Hexing New Material Technology Co ltd
Priority date: 2023-06-06
Filing date: 2023-06-06
Publication date: 2023-10-27
Anticipated expiration: 2033-06-06

Abstract

The utility model discloses a microwave drying device for PBT plastic granules, which belongs to the technical field of microwave drying devices and comprises a drying box, wherein the side surface of the drying box is fixedly connected with a fixing frame, a motor is fixedly connected to the fixing frame, round openings are formed in the opposite inner walls of the drying box, bearings are arranged in the round openings, a connecting cylinder and a rotating shaft are respectively arranged in the two bearings in a penetrating manner, and an output shaft of the motor is fixedly connected with the rotating shaft. The PBT plastic pellet drying machine has the beneficial effects that the motor and the spiral stirring blade are arranged, the motor is used for driving the roller to rotate, the roller is used for driving the PBT plastic pellets to move in the roller, meanwhile, the spiral stirring blade is used for continuously stirring the PBT plastic pellets, the microwave generator is used for heating air, the fan is used for blowing the heated air to the roller through the first air guide shell and the second air guide shell respectively, so that the hot air enters the roller through the vent hole, and the drying efficiency of the PBT plastic pellets is improved.

Description

Microwave drying device for PBT plastic granules

Technical Field

The utility model relates to the technical field of microwave drying devices, in particular to a microwave drying device for PBT plastic granules.

Background

The PBT plastic is a plastic which is mainly composed of polybutylene terephthalate, namely polytetramethylene terephthalate, and is called PBT for short, which is a polycondensate of terephthalic acid and butanediol, wherein the PBT and PET are together called thermoplastic polyester, the PBT plastic granules must be dried during processing, the drying of the PBT plastic granules is an important link, the quality of the drying directly affects the quality of the PBT plastic and the processing of the later process, but the existing microwave drying device is relatively inconvenient during operation, and the drying efficiency of the PBT plastic granules is poor.

Disclosure of Invention

(1) Technical problem to be solved

Aiming at the defects existing in the prior art, the utility model aims to provide a microwave drying device for PBT plastic granules, which has the characteristics of high drying efficiency and convenient operation for the PBT plastic granules.

(2) Technical proposal

In order to achieve the above purpose, the utility model provides a microwave drying device for PBT plastic granules, which comprises a drying box, wherein a fixing frame is fixedly connected to the side surface of the drying box, a motor is fixedly connected to the fixing frame, round openings are formed in the opposite inner walls of the drying box, bearings are arranged in the round openings, connecting cylinders and rotating shafts are respectively arranged in the two bearings in a penetrating manner, an output shaft of the motor is fixedly connected with the rotating shafts, one end of each rotating shaft is fixedly connected with a roller, one end of each roller is communicated with the connecting cylinder, spiral stirring blades are arranged on the inner wall of each roller, ventilation holes are formed in the surface of each roller, the same fixing frame is fixedly connected to the inner wall of each fixing frame, a first air guide shell is fixedly connected to the top of each drying box, a second air guide shell is communicated to the inner wall of each drying box, a fixing shell is arranged in each fixing shell, a microwave generator is arranged in each fixing shell, the side surface of each drying box is communicated with a fan, the output end of each fan is communicated with the fixing shell through a pipeline, one end of each first air guide shell is communicated with the corresponding control shell, and the first air guide shell is communicated with the inner wall of each control shell through a control pipeline, and the humidity sensor is connected to the first air guide shell.

When the microwave drying device for the PBT plastic granules is used, the motor drives the roller to rotate, so that the roller drives the PBT plastic granules to move inside the roller, meanwhile, the PBT plastic granules are continuously stirred by the spiral stirring blades, the microwave generator heats air, the fan blows the heated air to the roller through the first air guide shell and the second air guide shell respectively, hot air enters the roller through the vent holes, the drying efficiency of the PBT plastic granules is improved, the humidity in the drying box is monitored through the humidity sensor, and when the monitored humidity reaches a set value, the microwave generator and the motor are automatically closed to work through the controller, so that the operation is simple and convenient.

Further, the number of the ventilation holes is a plurality.

Further, the number of the spiral stirring blades is multiple, and the spiral stirring blades (6) are spirally distributed on the inner wall of the roller.

Further, the surface of drying cabinet is through hinge swing joint has the dodge gate, the surface of dodge gate is provided with handle and tool to lock.

Further, an operation panel is arranged on the surface of the drying box.

(3) Advantageous effects

In summary, the utility model has the following beneficial effects:

1. according to the microwave drying device for the PBT plastic granules, the motor and the spiral stirring blade are arranged, the motor drives the roller to rotate, so that the roller drives the PBT plastic granules to move in the roller, meanwhile, the spiral stirring blade continuously stirs the PBT plastic granules, the microwave generator heats air, the fan blows the heated air to the roller through the first air guide shell and the second air guide shell respectively, and hot air enters the roller through the vent hole, so that the drying efficiency of the PBT plastic granules is improved;

2. this a microwave drying device for PBT plastic pellet through setting up humidity transducer and controller, monitors the humidity in the drying cabinet through humidity transducer, when the humidity that monitors reached the settlement numerical value, through controller self-closing microwave generator and motor work, easy operation is convenient.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings required for the description of the embodiments or the prior art will be briefly described, and it is apparent that the drawings in the following description are only one embodiment of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of a three-dimensional cross-section of the present utility model;

fig. 2 is a schematic view of a three-dimensional structure of the present utility model.

The marks in the drawings are:

1. a drying box; 2. a fixing frame; 3. a motor; 4. a roller; 5. a vent hole; 6. spiral stirring blades; 7. a connecting cylinder; 8. a fixed frame; 9. a first wind guiding shell; 10. a second wind guiding shell; 11. a connecting pipe; 12. a three-way pipe; 13. a fixed case; 14. a humidity sensor; 15. a blower; 16. a ventilation duct; 17. a microwave generator; 18. a control housing; 19. a controller; 20. an operation panel; 21. a movable door; 22. a handle; 23. a lockset.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the present utility model easy to understand, the technical solutions in the embodiments of the present utility model are clearly and completely described below to further illustrate the present utility model, and it is obvious that the described embodiments are only some embodiments of the present utility model, not all versions.

Examples:

the utility model is described in further detail below with reference to fig. 1-2.

Referring to fig. 1-2, the present utility model provides a technical solution: a microwave drying device for PBT plastic granules comprises a drying box 1, a fixing frame 2 is fixedly connected to the side surface of the drying box 1, a motor 3 is fixedly connected to the fixing frame 2, round openings are formed in the opposite inner walls of the drying box 1, bearings are arranged in the round openings, a connecting cylinder 7 and a rotating shaft are respectively arranged in the two bearings in a penetrating mode, an output shaft of the motor 3 is fixedly connected with the rotating shaft, one end of the rotating shaft is fixedly connected with a roller 4, one end of the roller 4 is communicated with the connecting cylinder 7, spiral stirring blades 6 are arranged on the inner wall of the roller 4, ventilation holes 5 are formed in the surface of the roller 4, the same fixing frame 8 is fixedly connected to the opposite surface of the drying box 1, a first air guide shell 9 is fixedly connected to the inner wall of the fixing frame 8, a second air guide shell 10 is communicated with the top of the drying box 1, a fixing shell 13 is arranged in the drying box 1, the inside of the fixed shell 13 is provided with a microwave generator 17, the side surface of the drying oven 1 is communicated with a fan 15, the output end of the fan 15 is communicated with the fixed shell 13 through a ventilation pipeline 16, the bottom of the first air guide shell 9 is respectively communicated with the fixed shell 13 and a connecting pipeline 11 through a three-way pipe 12, one end of the connecting pipeline 11 is communicated with the second air guide shell 10, the drum 4 is driven to rotate through the motor 3 by arranging the motor 3 and the spiral stirring blade 6, the drum 4 drives PBT plastic granules to move in the drum 4, meanwhile, the PBT plastic granules are continuously stirred through the spiral stirring blade 6, the microwave generator 17 heats air, the fan 15 blows the heated air to the drum 4 through the first air guide shell 9 and the second air guide shell 10 respectively, hot air enters the inside of the drum 4 through the ventilation hole 5, the drying efficiency of the PBT plastic granules is improved, be provided with humidity transducer 14 on the inner wall of drying cabinet 1, the side fixedly connected with control shell 18 of drying cabinet 1, the inside of control shell 18 is provided with controller 19, through setting up humidity transducer 14 and controller 19, monitors the humidity in the drying cabinet 1 through humidity transducer 14, when the humidity of monitoring reaches the settlement numerical value, through controller 19 automatic shutdown microwave generator 17 and motor 3 work, easy operation is convenient.

Specifically, the number of the vent holes 5 is plural.

Specifically, the number of the spiral stirring blades 6 is plural, and the plurality of the spiral stirring blades 6 are spirally distributed on the inner wall of the drum 4.

Specifically, the surface of the drying oven 1 is movably connected with a movable door 21 through a hinge, and a handle 22 and a lock 23 are arranged on the surface of the movable door 21.

By adopting the above technical scheme, the maintenance of the internal equipment of the drying oven 1 is facilitated by opening the movable door 21.

Specifically, the surface of the drying oven 1 is provided with an operation panel 20.

The working principle of the utility model is as follows:

when the PBT plastic pellet drying machine is used, PBT plastic pellets are thrown into the drum 4 through the connecting cylinder 7, a value needing to be dried is set through the operation panel 20, the controller 19 automatically starts the microwave generator 17 and the motor 3 to rotate, the motor 3 drives the drum 4 to rotate, the drum 4 drives the PBT plastic pellets to move in the drum 4, meanwhile, the PBT plastic pellets are continuously stirred through the spiral stirring blade 6, the microwave generator 17 heats air, the fan 15 blows the heated air to the drum 4 through the first air guide shell 9 and the second air guide shell 10 respectively, hot air enters the drum 4 through the vent holes 5, the PBT plastic pellets are dried, the humidity in the drying box 1 is monitored through the humidity sensor 14, the microwave generator 17 and the motor 3 are automatically closed to work when the monitored humidity reaches the set value, and when the dried PBT plastic pellets are taken out, the motor 3 is started through the operation panel 20, the motor 3 drives the drum 4 to reversely rotate, and the PBT plastic pellets can be discharged through the connecting cylinder 7.

The present embodiment is only for explanation of the present utility model and is not to be construed as limiting the present utility model, and modifications to the present embodiment, which may not creatively contribute to the present utility model as required by those skilled in the art after reading the present specification, are all protected by patent laws within the scope of claims of the present utility model.

Claims

1. Microwave drying device for PBT plastic granules, comprising a drying cabinet (1), characterized in that: the side fixedly connected with mount (2) of drying cabinet (1), fixedly connected with motor (3) on mount (2), round mouth has all been seted up on the relative inner wall of drying cabinet (1), and the inside of round mouth all is provided with the bearing, and connecting cylinder (7) and pivot are worn to be equipped with respectively to the inside of two bearings, the output shaft and the pivot fixed connection of motor (3), and the one end fixedly connected with cylinder (4) of pivot, the one end and the connecting cylinder (7) of cylinder (4) are linked together, be provided with helical stirring vane (6) on the inner wall of cylinder (4), ventilation hole (5) have been seted up on the surface of cylinder (4), fixedly connected with same fixed frame (8) on the relative face of drying cabinet (1), fixedly connected with first wind-guiding shell (9) on the inner wall of fixed frame (8), the top intercommunication of drying cabinet (1) has second wind-guiding shell (10), the inside of drying cabinet (1) is provided with fixed shell (13), the inside of fixed shell (13) is provided with screw stirring vane (6) on the inner wall (17), the surface of cylinder (4) has been seted up on the surface of ventilation duct (15) and is linked together with fan (15), the bottom of first wind-guiding shell (9) is linked together with fixed shell (13) and connecting tube (11) respectively through three-way pipe (12), the one end of connecting tube (11) is linked together with second wind-guiding shell (10), be provided with humidity transducer (14) on the inner wall of drying cabinet (1), the side fixedly connected with control shell (18) of drying cabinet (1), the inside of control shell (18) is provided with controller (19).

2. A microwave drying apparatus for PBT plastic pellets according to claim 1, characterized in that: the number of the ventilation holes (5) is a plurality.

3. A microwave drying apparatus for PBT plastic pellets according to claim 1, characterized in that: the number of the spiral stirring blades (6) is multiple, and the spiral stirring blades (6) are spirally distributed on the inner wall of the roller (4).

4. A microwave drying apparatus for PBT plastic pellets according to claim 1, characterized in that: the surface of drying cabinet (1) is through hinge swing joint has dodge gate (21), the surface of dodge gate (21) is provided with handle (22) and tool to lock (23).

5. A microwave drying apparatus for PBT plastic pellets according to claim 1, characterized in that: an operation panel (20) is arranged on the surface of the drying box (1).