Dehumidifying and drying equipment for plastic particles

Abstract

The utility model relates to dehumidifying and drying equipment for plastic particles, which belongs to the field of drying and dehumidifying and comprises a stirring barrel, a stirring mechanism and a drying mechanism. The stirring mechanism is arranged at the lower end of the stirring barrel, one end of the stirring mechanism extends into the stirring barrel, the stirring mechanism comprises a spiral stirring paddle, the spiral stirring paddle is rotatably arranged in the stirring barrel, and the plastic parts in the stirring barrel are fully stirred through the spiral stirring paddle; the drying mechanism is arranged in the stirring mechanism, one end of the drying mechanism is connected with the stirring barrel, and the drying mechanism is used for conveying high-temperature gas into the stirring barrel. According to the plastic particle drying device, after plastic particles are placed in the stirring barrel, heated gas is circularly conveyed into the stirring barrel through the drying mechanism, and the plastic particles in the stirring barrel are fully stirred in cooperation with the spiral stirring paddle, so that the plastic particles are rapidly dehumidified, and the drying effect is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of drying and dehumidification, in particular to a dehumidifying and drying device for plastic particles. Background Art

[0002] Before plastic particles are injection molded, they need to be dehumidified and dried to prevent bubbles from appearing in plastic products. When the existing dehumidifying and drying equipment dries plastic particle parts, since the plastic particles accumulate together, when the heated gas dries the plastic particle parts, some plastic particle parts may not come into contact with the heated gas, resulting in uneven drying. Therefore, a dehumidifying and drying device for plastic particles is proposed to solve the above problems. Summary of the Utility Model

[0003] In view of one or more of the above-mentioned defects or improvement requirements in the prior art, the utility model provides a dehumidifying and drying device for plastic particles, which has the advantages of fully and effectively drying and dehumidifying.

[0004] To achieve the above object, the utility model provides the following technical solution: A dehumidifying and drying device for plastic particles includes: a stirring barrel, a stirring mechanism, and a drying mechanism;

[0005] The stirring mechanism is arranged at the lower end of the stirring barrel and extends into the stirring barrel at one end. It includes a spiral stirring paddle, which is rotatably arranged inside the stirring barrel, and the plastic parts inside the stirring barrel are fully stirred by the spiral stirring paddle;

[0006] The drying mechanism is arranged inside the stirring mechanism and is connected to the stirring barrel at one end, and is used for conveying high-temperature gas into the stirring barrel.

[0007] As a further improvement of the utility model, the stirring barrel includes: an upper cover plate and a blanking plate;

[0008] The upper cover plate is rotatably arranged on the upper end face of the stirring barrel, and plastic particle parts can be conveyed into the stirring barrel by opening the upper cover plate;

[0009] The blanking plate is arranged on the outside of the stirring barrel and at one end close to the stirring mechanism, and the dried plastic particle parts can be discharged by opening the blanking plate.

[0010] As a further improvement of the utility model, the stirring mechanism includes a bearing box, a first gear, a driving motor, and a second gear;

[0011] The bearing box is arranged on the lower end face of the stirring barrel, and the spiral stirring paddle is rotatably arranged inside the stirring barrel and extends into the bearing box at the lower end;

[0012] The first gear is sleeved on the outer peripheral surface of the spiral stirring paddle and is used to drive the spiral stirring paddle to rotate;

[0013] The driving motor is arranged inside the bearing box, and its output end is connected to the second gear. The second gear is connected to the first gear through gear connection, and the first gear and the spiral stirring paddle are driven to rotate by the second gear.

[0014] As a further improvement of the present utility model, air outlet holes are formed on the outer surface of the spiral stirring paddle, and the air outlet holes are used for gas to flow out from the inside of the spiral stirring paddle.

[0015] As a further improvement of the present utility model, the drying mechanism includes an air heating device, an air outlet pipe, an air inlet pipe and a gas circulation pipe;

[0016] The air heating device is arranged inside the bearing box and is used for heating air; the air outlet pipe is connected to the air heating device at one end and to the first gear at the other end, and is used for conveying high-temperature air;

[0017] The air inlet pipe is connected to the air heating device at one end and extends to the outside of the bearing box at the other end;

[0018] The gas circulation pipe is connected to the air heating device at one end and extends to the outside of the bearing box and is connected to the stirring barrel at the other end.

[0019] As a further improvement of the present utility model, at the connection between the air outlet pipe and the first gear, an insertion pipe is provided. The insertion pipe is inserted into the inside of the first gear and the spiral stirring paddle, and sealing rings are provided at the joints where the insertion pipe is in contact with the first gear and the spiral stirring paddle.

[0020] As a further improvement of the present utility model, the position where the gas circulation pipe is connected to the stirring barrel is located at one end close to the upper cover plate, and is used for the high-temperature air to be re-input into the air heating device through the gas circulation pipe for circulation after contacting the plastic particles in the stirring barrel.

[0021] Generally speaking, compared with the prior art, the beneficial effects of the above technical solutions conceived by the present utility model include:

[0022] After the plastic particles are placed inside the stirring barrel, the drying mechanism circulates and conveys the heated gas inside the stirring barrel, and cooperates with the spiral stirring paddle to fully stir the plastic particles inside the stirring barrel, so that the plastic particles can be quickly dehumidified to achieve the drying effect. Description of the Drawings

[0023] Figure 1 It is a schematic structural diagram of the present utility model;

[0024] Figure 2 It is a schematic structural diagram of the stirring mechanism of the present utility model;

[0025] Figure 3 It is a schematic structural diagram of the drying mechanism of the present utility model.

[0026] In all the drawings, the same reference numerals denote the same technical features, specifically: 1. Stirring barrel; 11. Upper cover plate; 12. Feeding plate; 2. Stirring mechanism; 21. Bearing box; 22. Screw stirring blade; 221. Air vent; 23. First gear; 24. Driving motor; 25. Second gear; 3. Drying mechanism; 31. Air heating device; 32. Air outlet pipe; 321. Insertion pipe; 33. Air inlet pipe; 34. Gas circulation pipe. Specific embodiments

[0027] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without making creative efforts belong to the scope of protection of the present invention.

[0028] In the embodiment, Figure 1 There is provided a dehumidifying and drying device for plastic particles, optionally but not limited to including: a stirring barrel 1, a stirring mechanism 2 and a drying mechanism 3;

[0029] The stirring mechanism 2 is provided at the lower end of the stirring barrel 1 and extends into the stirring barrel 1 at one end. Optionally but not limited to including a screw stirring blade 22, the screw stirring blade 22 is rotatably provided inside the stirring barrel 1, and the plastic parts inside the stirring barrel 1 are fully stirred by the screw stirring blade 22;

[0030] The drying mechanism 3 is provided inside the stirring mechanism 2 and is connected to the stirring barrel 1 at one end for conveying high-temperature gas inside the stirring barrel 1.

[0031] In this embodiment, there is provided a dehumidifying and drying device for plastic particles according to the present invention. After the plastic particle parts are placed inside the stirring barrel 1, the heated gas is circulated and conveyed inside the stirring barrel 1 through the drying mechanism 3, and is cooperated with the screw stirring blade 22 to fully stir the plastic particle parts inside the stirring barrel 1, so that the plastic particle parts are quickly dehumidified to achieve the drying effect.

[0032] I. Stirring barrel 1

[0033] Preferably, as Figure 1 shown, the stirring barrel 1 optionally but not limited to includes: an upper cover plate 11 and a feeding plate 12;

[0034] The upper cover plate 11 is rotatably provided on the upper end surface of the stirring barrel 1, and the plastic particle parts can be conveyed into the stirring barrel 1 by opening the upper cover plate 11;

[0035] The blanking plate 12 is arranged outside the mixing barrel 1 and at one end close to the mixing mechanism 2. By opening the blanking plate 12, the dried plastic particle parts can be discharged.

[0036] II. Mixing mechanism 2

[0037] Preferably, as Figure 2 shown, the mixing mechanism 2 may optionally but not limited to include a bearing box 21, a first gear 23, a driving motor 24, and a second gear 25;

[0038] The bearing box 21 is arranged on the lower end surface of the mixing barrel 1. The spiral stirring paddle 22 is rotatably arranged inside the mixing barrel 1 and its lower end extends into the bearing box 21;

[0039] The first gear 23 is sleeved on the outer peripheral surface of the spiral stirring paddle 22 and is used to drive the spiral stirring paddle 22 to rotate;

[0040] The driving motor 24 is arranged inside the bearing box 21, and its output end is connected to the second gear 25. The second gear 25 is in gear connection with the first gear 23, and the first gear 23 and the spiral stirring paddle 22 are driven to rotate by the second gear 25.

[0041] More preferably, as Figure 2 shown, the outer surface of the spiral stirring paddle 22 may optionally but not limited to be provided with air outlet holes 221, and the air outlet holes 221 are used for air to flow out from the inside of the spiral stirring paddle 22.

[0042] III. Drying mechanism 3

[0043] Preferably, as Figure 3 shown, the drying mechanism 3 may optionally but not limited to include an air heating device 31, an air outlet pipe 32, an air inlet pipe 33, and a gas circulation pipe 34;

[0044] The air heating device 31 is arranged inside the bearing box 21 and is used for heating air; the air outlet pipe 32 is connected to the air heating device 31 at one end and to the first gear 23 at the other end, and is used for conveying high-temperature air;

[0045] The air inlet pipe 33 is connected to the air heating device 31 at one end and extends to the outside of the bearing box 21 at the other end;

[0046] The gas circulation pipe 34 is connected to the air heating device 31 at one end and extends to the outside of the bearing box 21 and is connected to the mixing barrel 1 at the other end.

[0047] More preferably, as Figure 3As shown, at the connection between the air outlet pipe 32 and the first gear 23, an insertion pipe 321 is optionally but not limited to being provided. The insertion pipe 321 is inserted into the interior of the first gear 23 and the spiral stirring blade 22, and a sealing ring is provided at the joint where the insertion pipe 321 is in contact with the first gear 23 and the spiral stirring blade 22.

[0048] More preferably, the position where the gas circulation pipe 34 is connected to the stirring barrel 1 is at one end close to the upper cover plate 11, so that after the high-temperature air contacts the plastic particles, it can be re-input into the air heating device 31 through the gas circulation pipe 34 for circulation.

[0049] In this embodiment, a specific embodiment of the present utility model is given. The plastic particles are transported into the interior of the stirring barrel 1 by opening the upper cover plate 11, and then the air heating device 31 and the drive motor 24 are simultaneously turned on. The drive motor 24 drives the second gear 25 and the spiral stirring blade 22 to rotate, so that the spiral stirring blade 22 fully stirs the plastic particles in the stirring barrel 1, preventing the phenomenon that the plastic particles do not contact the heating gas during the drying process. Then, the air heating device 31 transports the external air into the air heating device 31 through the air inlet pipe 33 for heating, and at the same time transports the heated gas to the interior of the spiral stirring blade 22 through the air outlet pipe 32, and makes the heated gas fully contact the plastic particles during the stirring process through the air outlet holes 221, so as to quickly achieve the effect of drying and dehumidifying. The heated gas can be circulated to the interior of the air heating device 31 through the gas circulation pipe 34 for heating, so as to quickly achieve the effect of drying and dehumidifying the plastic particles.

[0050] It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the term "comprising", "including" or any other variant thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements not only includes those elements, but also includes other elements not expressly listed, or also includes elements inherent to such process, method, article or device. Without further limitation, an element defined by the statement "including one..." does not exclude the existence of additional identical elements in the process, method, article or device including the said element.

[0051] Although the embodiments of the present utility model have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present utility model. The scope of the present utility model is defined by the appended claims and their equivalents.

Claims

1. A dehumidification and drying device for plastic particles, characterized in that: include: A stirring barrel (1), a stirring mechanism (2) and a drying mechanism (3); The stirring mechanism (2) is arranged at the lower end of the stirring barrel (1), and one end of the stirring mechanism extends into the interior of the stirring barrel (1), and comprises a spiral stirring paddle (22). The spiral stirring paddle (22) is rotatably arranged inside the stirring barrel (1), and the plastic parts inside the stirring barrel (1) are fully stirred by the spiral stirring paddle (22); The drying mechanism (3) is arranged inside the stirring mechanism (2) and one end of which is connected to the stirring barrel (1) for conveying high-temperature gas to the inside of the stirring barrel (1).

2. The dehumidification and drying equipment for plastic particles according to claim 1, characterized in that: The mixing barrel (1) comprises: an upper cover plate (11) and a lower material plate (12); An upper cover plate (11) is flippably disposed on the upper end surface of the mixing barrel (1), and plastic particles can be transported into the mixing barrel (1) by opening the upper cover plate (11); The unloading plate (12) is arranged outside the stirring barrel (1) and is located at one end close to the stirring mechanism (2). The dried plastic granules can be discharged by opening the unloading plate (12).

3. The dehumidification and drying equipment for plastic particles according to claim 2, characterized in that: The stirring mechanism (2) comprises a carrying box (21), a first gear (23), a driving motor (24), and a second gear (25); A carrying box (21) is arranged on the lower end surface of the mixing barrel (1); a spiral stirring paddle (22) is rotatably arranged inside the mixing barrel (1) and the lower end of the spiral stirring paddle (22) extends into the interior of the carrying box (21); A first gear (23) is sleeved on the outer peripheral surface of the spiral stirring blade (22) and is used to drive the spiral stirring blade (22) to rotate; The driving motor (24) is arranged inside the carrying box (21), and the output end is connected to the second gear (25). The second gear (25) is gear-connected to the first gear (23), and the first gear (23) and the spiral stirring paddle (22) are driven to rotate by the second gear (25).

4. The dehumidification and drying equipment for plastic particles according to claim 3, characterized in that: An air outlet hole (221) is provided on the outer surface of the spiral stirring paddle (22), and the air outlet hole (221) is used for gas to flow out from the inside of the spiral stirring paddle (22).

5. The dehumidification and drying equipment for plastic particles according to claim 1, characterized in that: The drying mechanism (3) comprises an air heating device (31), an air outlet pipe (32), an air inlet pipe (33) and a gas circulation pipe (34); An air heating device (31) is disposed inside the carrying box (21) and is used to heat the air; an air outlet pipe (32) is connected to the air heating device (31) at one end and to the first gear (23) at the other end and is used to transport high-temperature air; An air inlet pipe (33), one end of which is connected to the air heating device (31) and the other end of which extends to the outside of the carrying box (21); The gas circulation pipe (34) has one end connected to the air heating device (31) and the other end extending to the outside of the carrying box (21) and connected to the stirring barrel (1).

6. The dehumidification and drying equipment for plastic particles according to claim 5, characterized in that: An insertion tube (321) is provided at the connection between the air outlet pipe (32) and the first gear (23). The insertion tube (321) is inserted into the first gear (23) and the spiral stirring paddle (22), and a sealing ring is provided at the joint between the insertion tube (321), the first gear (23) and the spiral stirring paddle (22).

7. The dehumidification and drying equipment for plastic particles according to claim 5, characterized in that: The position where the gas circulation pipe (34) is connected to the stirring barrel (1) is located at one end close to the upper cover plate (11) and is used for re-injecting the high-temperature air into the air heating device (31) through the gas circulation pipe (34) for circulation after the high-temperature air contacts the plastic particles.

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