Online drying equipment for plastic particles

Abstract

The utility model discloses plastic particle on-line drying equipment, including: receiving hopper, fan, conveying cylinder, fairing and drum, the conveying cylinder is horizontally arranged at the bottom of receiving hopper, the fan is arranged at the tail end of the conveying cylinder, the drum is rotatablely and concentrically arranged at the front end of the conveying cylinder, the front end of the drum is provided with a blocking plate, and the blocking plate is provided with an air inlet and an air outlet. Air holes are densely distributed in the rotary drum, the flow guide cover is concentrically arranged on the conveying drum in a sleeving mode and extends to the outer side of the rotary drum, and a discharging hole located below the tail of the rotary drum is formed in the bottom of the flow guide cover. By means of the mode, the plastic particle on-line drying equipment can convey and dry plastic particles, and is high in automation degree and good in drying effect.

Description

Technical Field

[0001] The utility model relates to the field of plastic particle production, in particular to an on-line drying device for plastic particles. Background Art

[0002] In the production process of plastic particles, raw materials are usually introduced into an extruder. The extruder is used to extrude plastic strips, which are rapidly hardened after being cooled by water, and then cut into particles. Since the plastic strips need to contact with cooling water, the surface humidity is high, and the plastic particles after cutting contain more moisture on the surface, so the plastic particles need to be dried.

[0003] The existing drying equipment mostly works independently and cannot be connected to the granulating equipment for on-line drying of plastic particles. For example, a rapid drying machine for modified plastic particles disclosed in the utility model patent with the publication number of CN212826256U still requires manual transfer of plastic particles to the drying equipment, which is time-consuming and laborious and needs to be improved. Summary of the Utility Model

[0004] The main technical problem to be solved by the utility model is to provide an on-line drying device for plastic particles, which can carry out on-line transportation and drying of plastic particles and improve production efficiency.

[0005] To solve the above technical problem, a technical solution adopted by the utility model is: to provide an on-line drying device for plastic particles, including: a receiving hopper, a fan, a conveying cylinder, a guiding cover and a rotating cylinder. The conveying cylinder is horizontally arranged at the bottom of the receiving hopper. The fan is arranged at the tail end of the conveying cylinder. The rotating cylinder is rotatably and concentrically arranged at the front end of the conveying cylinder. A blocking plate is arranged at the front end of the rotating cylinder. The rotating cylinder is densely provided with air holes. The guiding cover is concentrically sleeved on the conveying cylinder and extends to the outside of the rotating cylinder. An outlet hole located below the tail of the rotating cylinder is arranged at the bottom of the guiding cover.

[0006] In a preferred embodiment of the utility model, a blanking hole communicated with the receiving hopper is arranged on the conveying cylinder.

[0007] In a preferred embodiment of the utility model, a discharge hopper connected to the outlet hole is arranged below the guiding cover.

[0008] In a preferred embodiment of the utility model, the fan adopts a hot air fan.

[0009] In a preferred embodiment of the utility model, a conical deflector located inside the rotating cylinder is concentrically arranged on the front surface of the blocking plate.

[0010] In a preferred embodiment of the utility model, the inner diameter of the rotating cylinder is larger than the outer diameter of the conveying cylinder, and the inner diameter of the guiding cover is larger than the outer diameter of the rotating cylinder.

[0011] In a preferred embodiment of the present utility model, a retaining ring is concentrically arranged inside the flow deflector and in front of the discharge hole, and the distance between the inner wall of the retaining ring and the outer wall of the rotating cylinder is smaller than the particle size of the plastic particles.

[0012] In a preferred embodiment of the present utility model, a first bracket is arranged in front of the sealing plate, a motor is arranged on the first bracket, and an extension rod concentrically connected to the sealing plate is arranged on the rotating shaft of the motor.

[0013] In a preferred embodiment of the present utility model, a bearing seat corresponding to the extension rod is arranged on the first bracket.

[0014] In a preferred embodiment of the present utility model, a base extending below the conveying cylinder is arranged at the bottom of the first bracket, and a second bracket connected to the conveying cylinder is arranged on the base.

[0015] The beneficial effects of the present utility model are as follows: An on-line plastic particle drying device pointed out by the present utility model has a receiving hopper placed below the outlet of the granulating device, transfers the plastic particles obtained by granulation to the conveying cylinder, sends air flow into the conveying cylinder through a fan for the first drying and conveying of the plastic particles. After the plastic particles enter the rotating cylinder, they rotate with the rotating cylinder, are secondarily dried through the air flow, and flow into the flow deflector from the tail end of the rotating cylinder during the rotation process, and finally flow out through the discharge hole. It has a high degree of automation, good drying effect, does not require manual transfer of plastic particles, and reduces labor costs. Description of the Drawings

[0016] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model, the drawings required for the description of the embodiments will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can be obtained based on these drawings, where:

[0017] Figure 1 is a schematic structural diagram of a preferred embodiment of an on-line plastic particle drying device of the present utility model. Detailed Embodiments

[0018] The technical solutions in the embodiments of the present utility model will be clearly and completely described below. Obviously, the described embodiments are only some of the embodiments of the present utility model, rather than all of them. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts belong to the scope of protection of the present utility model.

[0019] Please refer to Figure 1 , the embodiments of the present utility model include:

[0020] As Figure 1 shown in the on-line drying equipment for plastic particles, the drying of plastic particles 4 is carried out, including: a receiving hopper 3, a fan 2, a conveying cylinder 1, a flow guiding cover 6 and a rotating cylinder 8. The conveying cylinder 1 is horizontally arranged at the bottom of the receiving hopper 3. In this embodiment, a blanking hole 5 communicating with the receiving hopper 3 is arranged on the conveying cylinder 1. The receiving hopper 3 is placed below the outlet of the pelletizing equipment, and the plastic particles 4 obtained by pelletizing are transferred on-line to the conveying cylinder 1, eliminating the need for manual centralized transfer and reducing labor costs.

[0021] The fan 11 is arranged at the tail end of the conveying cylinder 1. The rotating cylinder 8 is rotatably and concentrically arranged at the front end of the conveying cylinder 1. The air outlet of the fan 11 is communicated with the tail end of the conveying cylinder 1. Airflow is sent into the conveying cylinder 1 through the fan 11 for the first drying and conveying of the plastic particles 4. The plastic particles 4 are sent into the rotating cylinder 8. In this embodiment, the fan 11 is a hot air fan with an internal electric heating wire, which can send hot air into the conveying cylinder 1 to accelerate the drying of the plastic particles 4.

[0022] A blocking plate 9 is arranged at the front end of the rotating cylinder 8. The blocking plate 9 is welded to the front end of the rotating cylinder 8 to avoid the problem of particles flying out from the front end of the rotating cylinder 8. In this embodiment, the rotating cylinder 8 is densely distributed with air holes, and the diameter of the air holes is smaller than the particle size of the plastic particles 4, avoiding the plastic particles 4 from flying out through the air holes, but not affecting the escape of the airflow. After the plastic particles 4 enter the rotating cylinder 8, they rotate with the rotating cylinder 8 and are secondarily dried by the airflow in the rotating cylinder 8.

[0023] As Figure 1 shown, a conical deflector 13 located inside the rotating cylinder 8 is concentrically arranged on the front side of the blocking plate 9. The plastic particles 4 flying out from the rotating cylinder 8 contact the conical deflector 13 and are quickly dispersed along the outer wall slope of the conical deflector 13, avoiding the problem of accumulation and being beneficial to improving the drying effect.

[0024] A first bracket 12 is arranged in front of the blocking plate 9. A motor 11 is arranged on the first bracket. An extension rod 10 concentrically connected to the blocking plate 9 is arranged on the rotating shaft of the motor 11 to drive the rotation of the blocking plate 9 and the rotating cylinder 8. In this embodiment, a bearing seat 18 corresponding to the extension rod 10 is arranged on the first bracket 12, which can improve the rotation stability of the extension rod 10.

[0025] In addition, a base 16 extending below the conveying cylinder 1 is arranged at the bottom of the first bracket 12. A second bracket 17 connected to the conveying cylinder 1 is arranged on the base 16, which has good support and stable structure.

[0026] The flow guiding cover 6 is concentrically sleeved on the conveying cylinder 1 and extends to the outside of the rotating cylinder 8. As Figure 1As shown in the figure, the tail of the flow deflector 6 is fixed to the conveying cylinder 1 by a sleeve and screws, with a stable structure. In this embodiment, the inner diameter of the rotating cylinder 8 is larger than the outer diameter of the conveying cylinder 1, and the inner diameter of the flow deflector 6 is larger than the outer diameter of the rotating cylinder 8, without affecting each other. The air flow in the rotating cylinder 8 enters the flow deflector 6 through the air holes and finally escapes from the front end of the flow deflector 6.

[0027] An outlet hole 15 is provided at the bottom of the flow deflector 6 and is located below the tail of the rotating cylinder 8. During the rotation of the rotating cylinder 8, the plastic particles 4 rotate accordingly and gradually flow into the flow deflector 6 from the tail end of the rotating cylinder 8, and finally flow out through the outlet hole 15. In this embodiment, a discharge hopper 14 connected to the outlet hole 15 is provided below the flow deflector 6, and a receiving box can be placed below the discharge hopper 14 for temporary storage of plastic particles.

[0028] As Figure 1 shown in the figure, a retaining ring 7 is concentrically arranged inside the flow deflector 6 and is located in front of the outlet hole 15. The distance between the inner wall of the retaining ring 7 and the outer wall of the rotating cylinder 8 is smaller than the particle size of the plastic particles 4. The retaining ring 7 can prevent the plastic particles 4 from flying out from the front end of the flow deflector 6, with high safety.

[0029] In summary, an on-line drying device for plastic particles pointed out by the present utility model can perform the conveying and drying of plastic particles after pelletizing on-line, reducing the labor cost and improving the drying efficiency.

[0030] The above are only embodiments of the present utility model, and do not limit the patent scope of the present utility model accordingly. Any equivalent structure or equivalent process transformation made by using the content of the specification of the present utility model, or directly or indirectly applied in other related technical fields, shall be equally included in the patent protection scope of the present utility model.

Claims

1. An on-line drying device for plastic particles, which is used for drying plastic particles, and is characterized in that, Comprising: A material receiving hopper, a blower, a conveying cylinder, a flow guiding cover and a rotating cylinder. The conveying cylinder is horizontally arranged at the bottom of the material receiving hopper. The blower is arranged at the tail end of the conveying cylinder. The rotating cylinder is rotatably and concentrically arranged at the front end of the conveying cylinder. A sealing plate is arranged at the front end of the rotating cylinder. The rotating cylinder is densely provided with air holes. The flow guiding cover is concentrically sleeved on the conveying cylinder and extends to the outside of the rotating cylinder. An outlet hole located below the tail of the rotating cylinder is arranged at the bottom of the flow guiding cover.

2. The on-line drying equipment for plastic particles according to claim 1, characterized in that, A blanking hole communicating with the material receiving hopper is arranged on the conveying cylinder.

3. The online drying equipment for plastic particles according to claim 1, characterized in that, An outlet hopper connected to the outlet hole is arranged below the flow guiding cover.

4. The online drying equipment for plastic particles according to claim 1, characterized in that, The blower adopts a hot air blower.

5. The on-line drying equipment for plastic particles according to claim 1, characterized in that, A conical flow guide body located inside the rotating cylinder is concentrically arranged on the front surface of the sealing plate.

6. The online drying equipment for plastic particles according to claim 1, characterized in that, The inner diameter of the rotating cylinder is larger than the outer diameter of the conveying cylinder, and the inner diameter of the flow guiding cover is larger than the outer diameter of the rotating cylinder.

7. The online drying equipment for plastic particles according to claim 6, characterized in that, A retaining ring located in front of the outlet hole is concentrically arranged inside the flow guiding cover. The distance between the inner wall of the retaining ring and the outer wall of the rotating cylinder is smaller than the particle size of the plastic particles.

8. The on-line drying equipment for plastic particles according to claim 1, characterized in that, A first support is arranged in front of the sealing plate. A motor is arranged on the first support. An extension rod concentrically connected to the sealing plate is arranged on the rotating shaft of the motor.

9. The on-line drying equipment for plastic particles according to claim 8, characterized in that, A bearing seat corresponding to the extension rod is arranged on the first support.

10. The online drying equipment for plastic particles according to claim 8, characterized in that A base extending below the conveying cylinder is arranged at the bottom of the first support. A second support connected to the conveying cylinder is arranged on the base.

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