CN221851107U - Extrusion device for plastic extruder - Google Patents

Abstract

The utility model discloses an extrusion device for a plastic extruder, which belongs to the technical field of plastic extruders and aims at solving the problems that the plastic mixture is uneven and bubbles are easy to dissolve in plastic melting, and the extrusion device comprises a workbench, wherein the top of the workbench is fixedly connected with two mounting plates, an extrusion cylinder is fixedly connected between the inner walls of the two mounting plates, the top of the extrusion cylinder is provided with a feeding mechanism, one side of the extrusion cylinder is fixedly connected with a first servo motor, the utility model is characterized in that a feeding mechanism is arranged, plastic raw materials with different colors are respectively poured into the feeding grooves, then a second servo motor is started, and the second servo motor drives the stirring blades to mix the plastic, so that the plastics with various colors are uniformly mixed, the extrusion and shaping of the subsequent plastic are facilitated, and the production quality of plastic products is ensured.

Description

Extrusion device for plastic extruder

Technical Field

The utility model belongs to the technical field of plastic extruders, and in particular relates to an extrusion device for a plastic extruder.

Background Art

In plastic extrusion molding equipment, plastic extruder is usually called the main machine, and the subsequent equipment plastic extrusion molding machine is called the auxiliary machine. After more than 100 years of development, plastic extruder has evolved from the original single screw to twin-screw, multi-screw, and even screw-free models. Plastic extruder can be matched with various plastic molding auxiliary machines such as pipes, films, holding materials, monofilaments, flat wires, strapping tapes, extruded nets, plates, profiles, granulation, cable coating, etc. to form various plastic extrusion molding production lines and produce various plastic products. Therefore, plastic extrusion molding machinery is one of the widely used machines in the plastic processing industry now and in the future.

The prior art discloses an extrusion device for a plastic extruder with a patent announcement number of CN211492759U. The patent includes a driving device, a water tank is fixedly installed on the top of the driving device, a water injection pipe is fixedly installed on the top of the water tank, a water outlet pipe is fixedly installed on one side wall of the water tank, a heat dissipation hole is opened on the front side of the driving device, and an extrusion device is fixedly installed on the output end of the driving device. The utility model is provided with a movable plate in the feed hopper, and the device produces a quantitative limit effect through the cooperation of the magnet and the reset spring, thereby avoiding the blockage of the body caused by the accumulation of materials during the working process of the device to a certain extent, and improving the working efficiency of the device to a certain extent; however, there are still the following deficiencies in actual use: from a practical point of view, the device lacks the step of mixing plastics, resulting in uneven mixing of the added plastics of various colors, affecting the quality of subsequent plastic products; at the same time, since the plastic will inhale external air during the melting process, it is easy to dissolve bubbles in the plastic, and when the plastic is injected into the mold, the bubbles also enter the mold, resulting in the molded plastic products containing cavities, thereby reducing the production quality of the plastic products.

Therefore, there is a need for an extrusion device for a plastic extruder to solve the problems of uneven mixing of plastic materials and easy dissolution of bubbles when the plastic is melted in the prior art.

Utility Model Content

The purpose of the utility model is to provide an extrusion device for a plastic extruder to solve the problems raised in the above background technology.

To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an extrusion device for a plastic extruder, comprising a workbench, two mounting plates are fixedly connected to the top of the workbench, an extrusion barrel is fixedly connected between the inner walls of the two mounting plates, a feeding mechanism is arranged on the top of the extrusion barrel, a first servo motor is fixedly connected to one side of the extrusion barrel, a first rotating shaft is fixedly connected to the output end of the first servo motor, a plurality of groups of evenly distributed spiral blades are fixedly connected to the outer wall of the first rotating shaft, a plurality of evenly distributed electromagnetic heating rings are fixedly connected to the outer wall of the extrusion barrel, an ultrasonic generator is fixedly connected to the top of the workbench, a plurality of transducers corresponding to the extrusion barrel are installed on the top of the ultrasonic generator, an exhaust valve is fixedly arranged on the top of the extrusion barrel, a filter plate is installed on the other side of the extrusion barrel, and a discharge pipe is fixedly connected to the other side of the filter plate.

It should be noted in the solution that a plurality of anti-skid and shock-absorbing pads are fixedly connected to the bottom of the workbench.

It is further worth explaining that the feeding mechanism includes a mixing drum, two feeding troughs are fixedly connected to the top of the mixing drum, and trough covers are rotatably connected to the tops of the two feeding troughs. A second servo motor is fixedly connected to the center position of the top of the mixing drum, a second rotating shaft is fixedly connected to the output end of the second servo motor, and a plurality of groups of evenly distributed mixing blades are fixedly connected to the outer wall of the second rotating shaft, and a feed pipe is fixedly connected to the top of the mixing drum.

It should be further explained that a torsion spring corresponding to the trough cover is installed on the top of the feeding trough.

As a preferred embodiment, the bottom of the feed pipe is connected to the top of the extrusion barrel.

As a preferred embodiment, the plurality of groups of spiral blades are arranged inside the extrusion barrel.

As a preferred implementation, a filter screen is fixedly connected to the inner wall of the filter plate.

Compared with the prior art, the extrusion device for a plastic extruder provided by the utility model has at least the following beneficial effects:

(1) By setting up a feeding mechanism, plastic raw materials of different colors are poured from two feeding troughs respectively, and then the second servo motor is turned on. The second servo motor drives the stirring blades to mix the plastics, so that the plastics of various colors are mixed evenly, which is convenient for the subsequent extrusion and shaping of the plastics and ensures the production quality of the plastic products.

(2) An ultrasonic generator is provided to emit ultrasonic waves, which are then converted through a transducer to form ultrasonic vibrations. The bubbles in the molten plastic are shaken out by the ultrasonic vibrations and discharged through an exhaust valve, thereby preventing bubbles from dissolving inside the plastic and causing cavities in the molded plastic products, thereby further improving the production quality of plastic products.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG1 is a schematic diagram of the structure of the utility model from a first viewing angle;

FIG2 is a schematic diagram of the structure of the utility model from a second viewing angle;

FIG3 is a schematic diagram of the internal structure of the extrusion barrel of the utility model;

FIG. 4 is a schematic structural diagram of a feeding mechanism of the present utility model.

In the figure: 1. workbench; 2. mounting plate; 3. extruder; 4. feeding mechanism; 401. mixing drum; 402. feeding trough; 403. trough cover; 404. second servo motor; 405. second rotating shaft; 406. mixing blade; 407. feeding pipe; 5. first servo motor; 6. first rotating shaft; 7. spiral blade; 8. electromagnetic heating coil; 9. ultrasonic generator; 10. transducer; 11. exhaust valve; 12. filter plate; 13. discharge pipe.

DETAILED DESCRIPTION

The present invention will be further described below in conjunction with the embodiments.

Please refer to Figures 1-4. The utility model provides an extrusion device for a plastic extruder, including a workbench 1, characterized in that: two mounting plates 2 are fixedly connected to the top of the workbench 1, an extrusion barrel 3 is fixedly connected between the inner walls of the two mounting plates 2, a feeding mechanism 4 is arranged on the top of the extrusion barrel 3, a first servo motor 5 is fixedly connected to one side of the extrusion barrel 3, a first rotating shaft 6 is fixedly connected to the output end of the first servo motor 5, a plurality of groups of evenly distributed spiral blades 7 are fixedly connected to the outer wall of the first rotating shaft 6, a plurality of evenly distributed electromagnetic heating coils 8 are fixedly connected to the outer wall of the extrusion barrel 3, an ultrasonic generator 9 is fixedly connected to the top of the workbench 1, a plurality of transducers 10 corresponding to the extrusion barrel 3 are installed on the top of the ultrasonic generator 9, an exhaust valve 11 is fixedly provided on the top of the extrusion barrel 3, a filter plate 12 is installed on the other side of the extrusion barrel 3, and a discharge pipe 13 is fixedly connected to the other side of the filter plate 12.

As further shown in Figures 1, 2 and 4, it is worth specifically explaining that the feeding mechanism 4 includes a mixing drum 401, two feeding troughs 402 are fixedly connected to the top of the mixing drum 401, and the tops of the two feeding troughs 402 are rotatably connected to trough covers 403, a second servo motor 404 is fixedly connected to the center position of the top of the mixing drum 401, a second rotating shaft 405 is fixedly connected to the output end of the second servo motor 404, and a plurality of groups of evenly distributed mixing blades 406 are fixedly connected to the outer wall of the second rotating shaft 405, and a feed pipe 407 is fixedly connected to the top of the mixing drum 401. By setting the feeding mechanism 4, plastics of various colors can be evenly mixed, which is convenient for subsequent extrusion and shaping of plastics, thereby ensuring the production quality of plastic products.

As further shown in Figures 1, 2 and 4, it is worth explaining in detail that a torsion spring corresponding to the trough cover 403 is installed on the top of the feeding trough 402. Under the action of the torsion spring, the trough cover 403 can be flexibly opened and closed, which is convenient for the staff to add plastic raw materials.

As further shown in Figures 1, 2 and 4, it is worth noting that the bottom of the feed pipe 407 is connected to the top of the extrusion barrel 3 to ensure that the evenly mixed plastic can be smoothly discharged from the bottom of the feed pipe 407 into the extrusion barrel 3 for the next step of processing.

According to the above working process, it can be known that: by setting up the feeding mechanism 4, plastic raw materials of different colors are poured in from the two feeding troughs 402 respectively, and then the second servo motor 404 is turned on to drive the stirring blade 406 to mix the plastics, so that plastics of multiple colors are mixed evenly, which is convenient for the subsequent extrusion and shaping of the plastics, and the production quality of the plastic products is guaranteed.

As further shown in FIG. 1 and FIG. 2 , it is worth specifically explaining that a plurality of anti-skid shock-absorbing pads are fixedly connected to the bottom of the workbench 1 , so that the workbench 1 always maintains a stable state during the loading process and the extrusion process, thereby improving the stability of plastic production and processing.

As further shown in FIG. 3 , it is worth specifically explaining that multiple sets of spiral blades 7 are arranged inside the extruder barrel 3. The mixed plastic enters the extruder barrel 3. The first servo motor 5 is turned on to drive the spiral blades 7 to rotate, so that the spiral blades 7 push the melted plastic and discharge it from the discharge pipe 13 for the next processing.

As further shown in Figures 1 and 2, it is worth explaining in detail that a filter screen is fixedly connected to the inner wall of the filter plate 12, and the filter screen blocks and filters impurities in the plastic raw material to ensure that the plastic discharged from the discharge pipe 13 does not contain impurities, further improving the production quality of plastic products.

This solution has the following working process: in actual use, plastic raw materials of different colors are poured in from two feeding troughs 402 respectively, and then the second servo motor 404 is turned on to drive the stirring blade 406 to mix the plastics, and the evenly mixed plastics are discharged from the bottom of the feeding pipe 407 into the extrusion barrel 3, and the plastic inside the extrusion barrel 3 is heated and melted under the action of the electromagnetic heating coil 8, and the first servo motor 5 is turned on to drive the spiral blade 7 to rotate, so that the spiral blade 7 pushes the melted plastic, and at the same time the ultrasonic generator 9 emits ultrasonic waves, which are then converted by the transducer 10 to form ultrasonic vibrations, and the bubbles in the melted plastic are shaken out by the ultrasonic vibrations and discharged through the exhaust valve 11 to avoid bubbles dissolving into the plastic and causing cavities in the molded plastic products.

In summary: by setting up the feeding mechanism 4, plastics of various colors can be mixed evenly, which is convenient for the subsequent extrusion and shaping of the plastics and ensures the production quality of the plastic products; by setting up the ultrasonic generator 9 to emit ultrasonic waves, the bubbles in the melted plastic are shaken out by ultrasonic vibration and discharged through the exhaust valve 11, so as to avoid bubbles dissolving into the plastic and causing cavities in the molded plastic products, thereby further improving the production quality of the plastic products.

Claims (7)

1. Extrusion device for plastic extruder, including workstation (1), its characterized in that: two mounting plates (2) are fixedly connected to the top of the workbench (1), an extrusion cylinder (3) is fixedly connected between the inner walls of the two mounting plates (2), a feeding mechanism (4) is arranged at the top of the extrusion cylinder (3), a first servo motor (5) is fixedly connected to one side of the extrusion cylinder (3), a first rotating shaft (6) is fixedly connected to the output end of the first servo motor (5), a plurality of groups of spiral blades (7) which are uniformly distributed are fixedly connected to the outer wall of the first rotating shaft (6), the outer wall of the extrusion cylinder (3) is fixedly connected with a plurality of electromagnetic heating rings (8) which are uniformly distributed, the top of the workbench (1) is fixedly connected with an ultrasonic generator (9), the top of the ultrasonic generator (9) is provided with a plurality of transducers (10) corresponding to the extrusion cylinder (3), the top of the extrusion cylinder (3) is fixedly provided with an exhaust valve (11), the other side of the extrusion cylinder (3) is provided with a filter plate (12), and the other side of the filter plate (12) is fixedly connected with a discharge pipe (13).

2. An extrusion apparatus for a plastic extruder as set forth in claim 1, wherein: a plurality of anti-skid shock pads are fixedly connected to the bottom of the workbench (1).

3. An extrusion apparatus for a plastic extruder as set forth in claim 1, wherein: feed mechanism (4) are including churn (401), two material loading groove (402) of churn (401) top fixedly connected with, two it is all rotated and is connected with capping (403) to go up groove (402) top, churn (401) top central point puts fixedly connected with second servo motor (404), second servo motor (404) output fixedly connected with second pivot (405), second pivot (405) outer wall fixedly connected with multiunit stirring vane (406) that distributes evenly, churn (401) top fixedly connected with conveying pipeline (407).

4. An extrusion apparatus for a plastic extruder as claimed in claim 3, wherein: torsion springs corresponding to the groove covers (403) are arranged at the tops of the feeding grooves (402).

5. An extrusion apparatus for a plastic extruder as claimed in claim 3, wherein: the bottom of the conveying pipe (407) is communicated with the top of the extrusion cylinder (3).

6. An extrusion apparatus for a plastic extruder as set forth in claim 1, wherein: the spiral blades (7) are arranged inside the extrusion cylinder (3).

7. An extrusion apparatus for a plastic extruder as set forth in claim 1, wherein: the filter screen is fixedly connected to the inner wall of the filter plate (12).