A drying device for plastic particle production

Abstract

The utility model discloses a drying device is used in plastic particle production relates to plastic particle production technical field, including drying box, the top right side of drying box is fixed with the feeding hopper of installing, the bottom of drying box is fixed with the support support of connecting, the left bottom of drying box is fixed with the discharge gate of installing, the inside rear side of drying box is all seted up with the air outlet of upper and lower end, the inside of feeding hopper is provided with guide element, the inside of drying box is provided with screening unit, and the rear side of drying box is provided with filter unit, and filter unit includes the heating cylinder of fixed mounting on the rear side of drying box. The utility model discloses through setting up servo motor no.

Description

Technical Field

[0001] This utility model relates to the field of plastic particle production technology, and specifically to a drying device for plastic particle production. Background Technology

[0002] Plastic granules generally refer to granular plastics, which are typically classified into over 200 types, with further subdivisions reaching thousands. Common types of plastic granules include general-purpose plastics, engineering plastics, and specialty plastics. With continuous societal development, plastic granules have become widely used as raw materials across various industries. The production process of plastic granules involves many steps, among which drying equipment is a crucial component.

[0003] In the prior art, a Chinese patent document with publication number CN219359958U and publication date of July 18, 2023, was proposed to solve the above-mentioned technical problems. The technical solution disclosed in the patent document is as follows: A drying device for color masterbatch processing includes a body, a feeding port is provided on the top of the body, and a first feeding plate, a second feeding plate and a stirring feeding device are arranged sequentially from top to bottom inside the body; the first feeding plate and the second feeding plate have the same structure, the first feeding plate is evenly provided with feeding holes, a heating device is provided inside the first feeding plate, and a vibration motor is provided at the bottom of both the first feeding plate and the second feeding plate.

[0004] To address the drying issue in masterbatch processing, existing technology employs a first and second air inlet to introduce hot air for drying. The first air inlet is positioned between the first and second discharge trays to heat the masterbatch on the first discharge tray. This, combined with the heating device on the first discharge tray, enables a dual drying process. However, the introduced hot air lacks filtration capabilities, allowing impurities from the outside air to be drawn into the heating tube by the fan, causing blockages. Furthermore, these impurities can integrate with the masterbatch itself, negatively impacting its production quality. Utility Model Content

[0005] The purpose of this invention is to provide a drying device for the production of plastic particles, so as to solve the problems mentioned in the background art.

[0006] To solve the above-mentioned technical problems, the technical solution adopted by this utility model is as follows:

[0007] A drying device for producing plastic particles includes a drying chamber. A feed hopper is fixedly installed on the upper right side of the top of the drying chamber. A support bracket is fixedly connected to the bottom of the drying chamber. A discharge port is fixedly installed at the bottom left side of the drying chamber. Air outlets are provided at the upper and lower ends of the rear side inside the drying chamber.

[0008] The feed hopper is equipped with a material guiding unit, the drying chamber is equipped with a screening unit, and the rear side of the drying chamber is equipped with a filter unit.

[0009] The filtration unit includes a heating cylinder fixedly installed on the rear side of the drying chamber, and heat conduction pipes are fixedly installed at both the upper and lower ends of the heating cylinder.

[0010] A further improvement of this utility model is that a heat exhaust cover is fixedly installed on the other end of the heat conduction pipe, the heat exhaust cover is fixedly installed at the input port of the air outlet, and a servo motor II is fixedly installed on the rear side of the internal front support of the heating cylinder. The model of the servo motor II is: SIMOTICS S-1FT7.

[0011] A further improvement of this utility model is that an air intake fan is fixedly installed on the output end of the second servo motor, and filter frames are movably inserted into the top of the heating cylinder housing on both the front and rear sides of the air intake fan.

[0012] A further improvement of this utility model is that a partition plate is fixedly installed in the middle of the inner wall of the heating cylinder, and air guide pipes are fixedly installed at the through holes on both sides of the partition plate.

[0013] A further improvement of this utility model is that: the other end of the air guide pipe is fixedly connected to the input end of the heat conduction pipe, and an electric heating tube is fixedly installed at the middle position of the rear side of the partition plate. The model of the electric heating tube is: GYXY1 (GYJ1)-380 / 3.

[0014] A further improvement of the present invention is that the screening unit includes a screening inclined plate fixedly installed on the inner walls of both sides of the drying chamber, and a guide inclined plate is fixedly installed at the bottom of the other end of the screening inclined plate.

[0015] A further improvement of this utility model is that a second guide port is provided on the middle right side of the drying box, and a first guide port is provided on the right side of the bottom of the drying box.

[0016] A further improvement of the present invention is that the material guiding unit includes a servo motor fixedly installed on the rear side of the feed hopper. The output end of the servo motor extends into the inside of the feed hopper and is fixedly sleeved with a material guiding roller. Material guiding grooves are provided on all four sides of the material guiding roller. The model of the servo motor is: SIMOTICS S-1FK7.

[0017] Due to the adoption of the above technical solution, the technological progress achieved by this utility model compared to the prior art is as follows:

[0018] This utility model provides a drying device for plastic particle production. By setting a servo motor to drive the guide roller to rotate, the plastic particles are evenly introduced into the drying chamber through the guide trough, which prevents a large number of plastic particles from entering the drying chamber at the same time, causing accumulation and reducing drying efficiency, thereby improving drying quality.

[0019] This utility model provides a drying device for plastic particle production. By setting a servo motor to drive the suction fan, outside air enters the heating cylinder and is filtered by a filter screen to prevent impurities from entering the device and causing damage, thereby improving the service life of the device and further improving work efficiency.

[0020] This utility model provides a drying device for the production of plastic particles. By setting up a screening inclined plate and a guiding inclined plate, when the plastic particles roll on the top of the screening inclined plate, the contact area between them and the hot air can be increased, promoting drying. At the same time, the screen holes are used to screen out unqualified broken particles, further improving the processing quality of plastic particles. Attached Figure Description

[0021] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0022] Figure 2 This is a schematic diagram of the rear side of the drying oven structure of this utility model;

[0023] Figure 3 This is a schematic cross-sectional view of the drying oven structure of this utility model;

[0024] Figure 4 This is a schematic diagram of the heating cylinder structure of this utility model;

[0025] Figure 5 This is a cross-sectional schematic diagram of the heating cylinder structure of this utility model.

[0026] In the diagram: 1. Drying oven; 11. Air outlet; 12. Feed guide port one; 13. Feed guide port two; 14. Screening inclined plate; 15. Feed guide inclined plate; 16. Heating cylinder; 161. Servo motor two; 162. Suction fan; 163. Filter screen frame; 164. Divider plate; 165. Air guide pipe; 166. Electric heating tube; 17. Heat conduction pipe; 18. Heat exhaust cover; 2. Feed hopper; 21. Servo motor one; 22. Feed guide roller; 23. Feed guide trough; 3. Support bracket; 4. Discharge port. Detailed Implementation

[0027] 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. Example

[0028] like Figure 1-5 As shown, this utility model provides a drying device for plastic particle production, including a drying chamber 1. A feeding hopper 2 is fixedly installed on the upper right side of the top of the drying chamber 1. A support bracket 3 is fixedly connected to the bottom of the drying chamber 1. A discharge port 4 is fixedly installed on the lower left side of the drying chamber 1. Air outlets 11 are provided at the upper and lower ends of the rear side inside the drying chamber 1. A material guiding unit is provided inside the feeding hopper 2. A screening unit is provided inside the drying chamber 1. A filter unit is provided on the rear side of the drying chamber 1. The material guiding unit includes a servo motor 21 fixedly installed on the rear side of the feeding hopper 2. The output end of the servo motor 21 extends into the inside of the feeding hopper 2 and is fixedly sleeved with a material guiding roller 22. Material guiding grooves 23 are provided around the material guiding roller 22.

[0029] Furthermore, the output of the servo motor 21 drives the guide roller 22 to rotate, and the guide groove 23 is used to evenly guide the plastic particles into the drying chamber 1, preventing a large number of plastic particles from entering the drying chamber 1 at the same time, causing accumulation and reducing drying efficiency. Example

[0030] like Figure 1-5 As shown, based on Embodiment 1, this utility model provides a technical solution: Preferably, the filter unit includes a heating cylinder 16 fixedly installed on the rear side of the drying oven 1. Heat conduction pipes 17 are fixedly installed at both the upper and lower ends of the heating cylinder 16. A heat exhaust cover 18 is fixedly installed at the other end of the heat conduction pipe 17. The heat exhaust cover 18 is fixedly installed at the input port of the air outlet 11. A servo motor 161 is fixedly installed on the rear side of the internal front support of the heating cylinder 16. An air intake fan 162 is fixedly installed on the output end of the servo motor 161. Filter frames 163 are movably inserted into the top of the heating cylinder 16 shell on both the front and rear sides of the air intake fan 162. A partition plate 164 is fixedly installed in the middle of the inner wall of the heating cylinder 16. Air guide pipes 165 are fixedly installed at the through holes on both sides of the partition plate 164. The other end of the air guide pipe 165 is fixedly connected to the input end of the heat conduction pipe 17. An electric heating tube 166 is fixedly installed in the middle of the rear side of the partition plate 164.

[0031] Furthermore, the output of the servo motor 161 drives the suction fan 162 to operate. Outside air enters the heating cylinder 16 after being filtered by the filter frame 163 at the front end of the heating cylinder 16. The filtered air first reaches the front side of the partition plate 164 and then flows into the air guide pipe 165. The air is heated by the electric heating tube 166. The heated air flows into the heat conduction pipe 17 and is finally blown into the drying chamber 1 from the air outlet 11 by the heat exhaust hood 18. The hot air comes into full contact with the plastic particles on the top of the screening inclined plate 14 in the drying chamber 1, thereby achieving the drying treatment of the plastic particles. The plastic particles roll on the top of the screening inclined plate 14, thereby increasing the contact area with the hot air. Example

[0032] like Figure 1-5 As shown, based on embodiments 1-2, this utility model provides a technical solution: preferably, the screening unit includes a screening inclined plate 14 fixedly installed on the inner walls of both sides of the drying box 1, a guide inclined plate 15 fixedly installed at the bottom of the other end of the screening inclined plate 14, a second guide port 13 is opened at the middle position of the right side of the drying box 1, and a first guide port 12 is opened at the bottom right side of the drying box 1.

[0033] Furthermore, when the plastic particles roll on the screening inclined plate 14, the unqualified broken particles are screened in conjunction with the screen holes and guided by the guide inclined plate 15 to be discharged outward from the guide port 12 or the guide port 13. The qualified plastic particles remain on the screening inclined plate 14 to continue drying and rolling and are discharged outward in conjunction with the discharge port 4.

[0034] The solution uses a PLC as the core control component. The PLC establishes a connection with servo motor 21, servo motor 161 and electric heating tube 166 via RS-485 communication. When it is necessary to start servo motor 21, servo motor 161 and electric heating tube 166, the PLC sends a start command to servo motor 21, servo motor 161 and electric heating tube 166, causing servo motor 21, servo motor 161 and electric heating tube 166 to start.

[0035] The working principle of the drying device for plastic particle production will be explained in detail below.

[0036] like Figure 1-5As shown, during use, plastic particles are placed inside the feed hopper 2. At this time, the output end of servo motor 1 21 drives the guide roller 22 to rotate, and the guide groove 23 evenly guides the plastic particles into the drying chamber 1, preventing a large number of plastic particles from entering the drying chamber 1 at the same time, causing accumulation and reducing drying efficiency. The plastic particles fall onto the top of the screening inclined plate 14 after entering the drying chamber 1. Then, the output end of servo motor 2 161 drives the suction fan 162 to operate. Outside air enters the heating cylinder 16 after being filtered by the filter frame 163 at the front end of the heating cylinder 16. The filtered air first reaches the front side of the partition plate 164, and then flows into the interior of the air guide pipe 165, which works in conjunction with the electric heating tube 166 to circulate the air. Heating is performed, and the heated hot air flows into the heat conduction pipe 17, and is finally blown into the drying chamber 1 from the air outlet 11 by the heat exhaust hood 18. The hot air in the drying chamber 1 comes into full contact with the plastic particles on the top of the screening inclined plate 14, realizing the drying treatment of the plastic particles. The plastic particles roll on the top of the screening inclined plate 14, thereby increasing the contact area with the hot air and further promoting the drying efficiency. At the same time, when the plastic particles roll on the screening inclined plate 14, they cooperate with the screen holes to screen out unqualified broken particles. Guided by the guide inclined plate 15, they are discharged outward from the guide port 12 or the guide port 13. Qualified plastic particles remain on the screening inclined plate 14 to continue drying and rolling, and are discharged outward from the discharge port 4.

[0037] The present invention has been described in detail above. However, modifications or improvements can be made to it, which will be obvious to those skilled in the art. Therefore, any modifications or improvements that do not depart from the spirit of the present invention are within the protection scope of the present invention.

Claims

1. A drying apparatus for producing plastic particles, comprising a drying chamber (1), characterized in that: A feed hopper (2) is fixedly installed on the upper right side of the top of the drying box (1), a support bracket (3) is fixedly connected to the bottom of the drying box (1), a discharge port (4) is fixedly installed at the bottom left side of the drying box (1), and air outlets (11) are opened at the upper and lower ends of the rear side inside the drying box (1). The feed hopper (2) is equipped with a material guiding unit, the drying box (1) is equipped with a screening unit, and the drying box (1) is equipped with a filter unit on the rear side. The filter unit includes a heating cylinder (16) fixedly installed on the rear side of the drying box (1), and heat conduction pipes (17) are fixedly installed at both the upper and lower ends of the heating cylinder (16).

2. The drying apparatus for producing plastic particles according to claim 1, characterized in that: A heat exhaust cover (18) is fixedly installed on the other end of the heat conduction pipe (17). The heat exhaust cover (18) is fixedly installed at the input port of the air outlet (11). A servo motor (161) is fixedly installed on the rear side of the internal front end bracket of the heating cylinder (16).

3. The drying apparatus for producing plastic particles according to claim 2, characterized in that: An air intake fan (162) is fixedly installed on the output end of the second servo motor (161), and filter frames (163) are movably inserted into the top of the housing of the heating cylinder (16) on both the front and rear sides of the air intake fan (162).

4. The drying apparatus for producing plastic particles according to claim 2, characterized in that: A partition plate (164) is fixedly installed in the middle of the inner wall of the heating cylinder (16), and air guide pipes (165) are fixedly installed at the through holes on both sides of the partition plate (164).

5. A drying apparatus for producing plastic particles according to claim 4, characterized in that: The other end of the air duct (165) is fixedly connected to the input end of the heat conduction pipe (17), and an electric heating tube (166) is fixedly installed on the middle position of the rear side of the partition plate (164).

6. A drying apparatus for producing plastic particles according to claim 1, characterized in that: The screening unit includes screening inclined plates (14) fixedly installed on the inner walls of both sides of the drying box (1), and a guide inclined plate (15) is fixedly installed at the bottom of the other end of the screening inclined plate (14).

7. A drying apparatus for producing plastic particles according to claim 1, characterized in that: A second guide port (13) is provided on the middle right side of the drying box (1), and a first guide port (12) is provided on the right side of the bottom end of the drying box (1).

8. A drying apparatus for producing plastic particles according to claim 1, characterized in that: The material guiding unit includes a servo motor (21) fixedly installed on the rear side of the feed hopper (2). The output end of the servo motor (21) extends into the inside of the feed hopper (2) and is fixedly sleeved with a material guiding roller (22). Material guiding grooves (23) are provided on all four sides of the material guiding roller (22).

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