Plastic particle production line extruder

Abstract

The utility model provides an extruder for a plastic particle production line, which belongs to the field of plastic particle production and comprises an extruder, a feed drying assembly; the feeding and drying assembly comprises a feeding pipe installed on the extruder, a vertical rod rotationally connected with the mounting plate is arranged on the mounting plate in a penetrating mode, plastic particles can be stirred and heated, the lower end of the vertical rod extends into the feeding pipe, and a spiral blade is fixed to the portion, located in the feeding pipe, of the vertical rod. Plastic particles can be heated through the inclined heating rod so that the surfaces of the plastic particles can be melted, water vapor can be discharged, heat transfer can be carried out due to the fact that the inclined heating rod rotates and the plastic particles are mixed and abut against one another, and therefore the plastic particles can be heated more effectively and evenly, preheating of the plastic particles is achieved, and the service life of the plastic particles is prolonged. And the efficiency of heating and melting the preheated plastic particles entering the extruder is improved, so that the extrusion efficiency and the extrusion quality can be improved.

Description

Technical Field

[0001] This utility model relates to the field of plastic particle production technology, and in particular to an extruder for a plastic particle production line. Background Technology

[0002] The existing Chinese patent with publication number CN109605709A proposes a plastic extruder, which is equipped with an upper extrusion screw and a lower extrusion screw, so that the raw material undergoes two-stage extrusion and two-stage melting. The melting path is extended and the melting time is extended, which can make the raw material melt more fully and avoid blockage.

[0003] In the above-mentioned process, if the raw material is not dry, it affects the melting rate of the raw material and thus the quality of the extruded material. There are defects such as the degree of dryness of the raw material affecting the melting rate and the inability of water vapor to be effectively discharged, resulting in a reduction in extrusion quality. Therefore, this application proposes an extruder for a plastic particle production line. Utility Model Content

[0004] In view of the shortcomings of the existing technology, this utility model provides an extruder for a plastic particle production line.

[0005] An embodiment of this utility model provides an extruder for a plastic particle production line, comprising:

[0006] Extruder;

[0007] Feeding and drying assembly; the feeding and drying assembly includes a feed pipe installed on an extruder, a hopper installed at the upper end of the feed pipe, an mounting plate installed on the hopper, a vertical rod rotatably connected to the mounting plate, a plurality of inclined heating rods fixed on the vertical rod, the rotation of the vertical rod drives the plurality of inclined heating rods to rotate, which can stir and heat the plastic particles, the lower end of the vertical rod extends into the feed pipe, and a spiral blade is fixed on the vertical rod located in the feed pipe.

[0008] Furthermore, a bracket is installed at the bottom of the extruder, and four support legs are fixed at the bottom of the bracket, with rubber pads fixed at the bottom of the support legs.

[0009] Furthermore, a mounting frame is installed on the hopper, and the mounting frame is fixedly installed on the extruder.

[0010] Furthermore, a motor is mounted on the mounting plate, and a drive shaft is fixedly connected to the output end of the motor. Gears are mounted on both the drive shaft and the vertical rod, and the two gears mesh with each other.

[0011] Furthermore, an electrical rotary joint is installed at the upper end of the vertical rod, and the electrical rotary joint is connected to multiple inclined heating rods.

[0012] Furthermore, the hopper is funnel-shaped and integrally formed with the feed pipe.

[0013] Compared with the prior art, the present invention has the following beneficial effects:

[0014] This invention uses an inclined heating rod to heat plastic granules, melting their surface and expelling water vapor. Due to the rotation of the inclined heating rod and the mixing and mutual restraint between the plastic granules, heat transfer can occur, resulting in more effective and uniform heating of the plastic granules. This preheating of the plastic granules improves their efficiency in melting after entering the extruder, thereby increasing extrusion efficiency and quality. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the structure of an extruder for a plastic particle production line as described in an embodiment of this utility model.

[0016] Figure 2 This is a schematic diagram of the extruder hopper of a plastic particle production line according to an embodiment of the present invention.

[0017] Figure 3 This is a schematic diagram of the spiral blade in an extruder of a plastic particle production line according to an embodiment of this utility model.

[0018] In the above attached figures: 1. Support, 2. Extruder, 3. Mounting frame, 4. Hopper, 5. Feed pipe, 6. Mounting plate, 7. Cover plate, 8. Motor, 9. Drive shaft, 10. Gear, 11. Electrical rotary joint, 12. Vertical rod, 13. Inclined heating rod, 14. Spiral blade. Detailed Implementation

[0019] The technical solution of this utility model will be further described below with reference to the accompanying drawings and embodiments.

[0020] like Figures 1-3 As shown in the figure, this utility model embodiment proposes an extruder for a plastic particle production line, comprising:

[0021] For the extruder 2, a support bracket 1 is installed at the bottom of the extruder 2 to provide stable support. Four support legs are fixed at the bottom of the support bracket 1, and rubber pads are fixed at the bottom of the support legs. This can provide stable support for the extruder 2 and ensure its stability during operation. The extruder 2 is equipped with a jacket, and a heating component, such as an electric heating wire, is installed in the jacket to heat the plastic inside the extruder 2. This is existing technology and will not be described in detail.

[0022] Feeding and drying assembly; The feeding and drying assembly includes a feed pipe 5 installed on the extruder 2, a hopper 4 installed at the upper end of the feed pipe 5, the hopper 4 is funnel-shaped and the hopper 4 is integrally formed with the feed pipe 5; a mounting frame 3 is installed on the hopper 4, the mounting frame 3 is fixedly installed on the extruder 2, the mounting frame 3 can support the hopper 4 to ensure its stability during use.

[0023] An installation plate 6 is installed on the hopper 4. There is a gap between the installation plate 6 and the hopper 4. Therefore, a cover plate 7 is hinged to the installation plate 6 to seal the upper end of the hopper 4. When adding plastic granules, the cover plate 7 can be opened to add plastic granules.

[0024] A vertical rod 12 is rotatably connected to the mounting plate 6. Multiple inclined heating rods 13 are fixed on the vertical rod 12. The rotation of the vertical rod 12 drives the multiple inclined heating rods 13 to rotate, which can stir and heat the plastic particles. In order to drive the vertical rod 12 to rotate, a motor 8 is installed on the mounting plate 6. The output end of the motor 8 is fixedly connected to the drive shaft 9. Gears 10 are installed on both the drive shaft 9 and the vertical rod 12. The two gears 10 mesh with each other. When the motor 8 works, it drives the drive shaft 9 to rotate, which in turn drives the gears 10 to rotate. The vertical rod 12 can be rotated through the transmission of the gears 10.

[0025] Since the inclined heating rod 13 is located inside the hopper 4, an electrical rotary joint 11 is installed at the upper end of the vertical rod 12 to facilitate power supply. The electrical rotary joint 11 is connected to multiple inclined heating rods 13. The vertical rod 12 can be hollow to allow wires to be inserted and connected to the inclined heating rod 13. The outside of the wires can include a heat insulation layer to protect the wires, thus ensuring a stable power supply to the inclined heating rod 13.

[0026] The rotation of the vertical rod 12 drives the rotation of multiple inclined heating rods 13, which can stir and heat the plastic particles. This can heat the wet plastic particles and dry them. Since the cover plate 7 is open, the water vapor generated by heating can be discharged, so it will not enter the extruder 2, thus ensuring the quality of the extrusion from the extruder 2.

[0027] The lower end of the vertical rod 12 extends into the feed pipe 5. A spiral blade 14 is fixed on the vertical rod 12 located inside the feed pipe 5. The heated and dried plastic granules enter the extruder 2 through the feed pipe 5. In order to prevent blockage at the feed pipe 5, the vertical rod 12 rotates to drive the spiral blade 14 to rotate. The rotation of the spiral blade 14 and the feed pipe 5 form a simple auger, which can transport the heated plastic granules and thus stably feed them into the extruder 2.

[0028] Furthermore, the inclined heating rod 13 can heat the plastic granules to melt their surface. As the inclined heating rod 13 rotates and the plastic granules mix and resist each other, heat transfer can be carried out, thereby heating the plastic granules more effectively and evenly. This achieves preheating of the plastic granules. The efficiency of heating and melting the preheated plastic granules after entering the extruder 2 is improved, thereby improving the extrusion efficiency and the quality of the extrusion.

[0029] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this utility model and are not intended to limit it. Although this utility model has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions can be made to the technical solutions of this utility model without departing from the spirit and scope of the technical solutions of this utility model, and all such modifications or substitutions should be covered within the scope of the claims of this utility model.

Claims

1. An extruder for a plastic particle production line, characterized in that, include: Extruder (2); Feeding and drying assembly; the feeding and drying assembly includes a feed pipe (5) installed on the extruder (2), a hopper (4) is installed at the upper end of the feed pipe (5), an mounting plate (6) is installed on the hopper (4), a vertical rod (12) rotatably connected to the mounting plate (6) is provided through the mounting plate (6), a plurality of inclined heating rods (13) are fixed on the vertical rod (12), the vertical rod (12) rotates and drives the plurality of inclined heating rods (13) to rotate, which can stir and heat the plastic particles, the lower end of the vertical rod (12) extends into the feed pipe (5), and a spiral blade (14) is fixed on the vertical rod (12) located in the feed pipe (5).

2. The extruder for a plastic particle production line according to claim 1, characterized in that, in: The bottom of the extruder (2) is equipped with a bracket (1), and the bottom of the bracket (1) is fixed with four support legs, and the bottom of the support legs is fixed with rubber pads.

3. The extruder for a plastic particle production line according to claim 1, characterized in that, in: The hopper (4) is equipped with a mounting bracket (3), which is fixedly mounted on the extruder (2).

4. The extruder for a plastic particle production line according to claim 1, characterized in that, in: A motor (8) is mounted on the mounting plate (6). The output end of the motor (8) is fixedly connected to a drive shaft (9). Gears (10) are mounted on both the drive shaft (9) and the vertical rod (12). The two gears (10) mesh with each other.

5. The extruder for a plastic particle production line according to claim 1, characterized in that, in: An electrical rotary joint (11) is installed at the upper end of the vertical rod (12), and the electrical rotary joint (11) is connected to a plurality of inclined heating rods (13).

6. The extruder for a plastic particle production line according to claim 1, characterized in that, in: The hopper (4) is funnel-shaped and is integrally formed with the feed pipe (5).

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