Double-screw extrusion granulator

By introducing material transfer, extrusion and unloading mechanisms into the twin-screw extrusion granulator, automatic granulation is achieved using motor and cylinder drive, which solves the problems of manual handling and long waiting time and improves production efficiency.

CN223290281UActive Publication Date: 2025-09-02DONGGUAN KAIBO PLASTIC TECH CO LTD
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Patent Information

Application Number
CN202422309074.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-21
Publication Date
2025-09-02
Estimated Expiration
2034-09-21

AI Technical Summary

Technical Problem

The existing twin-screw extrusion granulator needs to be manually transported after extrusion and discharge, with low automation and long waiting time, which cannot achieve uninterrupted granulation and low production efficiency.

Method used

A twin-screw extrusion granulator including a workbench, material transfer mechanism, extrusion mechanism, material cutting mechanism and unloading mechanism is designed. It adopts components such as servo motor, screw drive motor, circumcision knife drive motor and flip cylinder to automatically convey materials, granulation and rapid unloading, and the granulation process is completed by engaging screws and circumcision knife.

Benefits of technology

It realizes automatic material transportation and rapid unloading, shortens waiting time, can uninterrupted granulation, and greatly improves production efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model belongs to the technical field of screw extrusion pelletizers, and discloses a double-screw extrusion pelletizer which comprises a workbench, a mounting box is arranged on the workbench, a material conveying mechanism is arranged at the top end of the mounting box, a material extruding mechanism and a material cutting mechanism are arranged in the mounting box, and a discharging mechanism is arranged on the front side of the workbench. The discharging mechanism comprises a discharging barrel, a turnover plate and a turnover air cylinder used for driving the turnover plate to conduct turnover motion, the discharging barrel is fixedly installed on the end face of the turnover plate and moves along with the turnover plate, the discharging mechanism is arranged on the front side of the workbench, and the material conveying mechanism is arranged at the top end of the installation box, so that the material conveying efficiency is improved. Materials can be automatically conveyed into the extrusion barrel, the granulation process is completed through the extrusion mechanism and the cutting mechanism, products fall into the discharging barrel along the discharging hopper, the overturning air cylinder drives the overturning plate and drives the discharging barrel to conduct overturning motion, rapid discharging can be achieved, the waiting time is short, continuous granulation can be achieved, and the production efficiency is improved. And the production efficiency of granulation is greatly improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of screw extrusion granulators, in particular to a twin-screw extrusion granulator. Background Art

[0002] In the production process of chemical products, granulation is an important step to ensure that they are easy to package and transport. Granulation can granulate products that are difficult to package and transport, making them convenient for large-scale transportation. At present, the existing granulation methods mainly make raw materials into granules by extrusion or cutting. At present, the most common mechanical equipment on the market are granulators, granulation towers, granulators and other equipment.

[0003] However, the twin-screw extruder granulators currently on the market usually require workers to manually move the materials after extrusion. However, this method has a low degree of automation, a long waiting time, cannot achieve uninterrupted granulation, and has low production efficiency. Utility Model Content

[0004] In order to overcome the shortcomings of the existing technical solutions, the utility model provides a twin-screw extruder granulator, which can effectively solve the technical problems that the twin-screw extruder granulators currently on the market usually require staff to manually carry the materials after extrusion. However, this method has a low degree of automation, a long waiting time, cannot achieve uninterrupted granulation, and has low production efficiency.

[0005] The technical solution adopted by the utility model to solve its technical problems is: a twin-screw extruder granulator, including a workbench, an installation box is provided on the workbench, a material transmission mechanism is provided on the top of the installation box, an extrusion mechanism and a cutting mechanism are provided inside the installation box, and a unloading mechanism is provided on the front side of the workbench, the extrusion mechanism includes a screw drive motor, an extrusion barrel and a first screw and a second screw provided inside the extrusion barrel, the first screw and the second screw are connected in transmission, the cutting mechanism includes a circular cutter and a circular cutter drive motor for driving the circular cutter to rotate, the unloading mechanism includes a unloading barrel, a flip plate and a flip cylinder for driving the flip plate to perform a flipping motion, and the unloading barrel is fixedly mounted on the end face of the flip plate and moves therewith.

[0006] Preferably, the material conveying mechanism includes a servo motor, a feed hopper and a feeding screw arranged inside the feed hopper. The servo motor is driven and connected to the feeding screw. One side of the feed hopper is provided with a discharge port communicating with the inside of the extrusion barrel.

[0007] Preferably, a lower hopper communicating with the interior of the installation box is provided on one side of the installation box close to the cutting mechanism, and the discharge barrel is provided directly below the lower hopper.

[0008] Preferably, a weight sensor and a main control circuit board are provided inside the discharge barrel, the weight sensor is electrically connected to the main control circuit board, and the main control circuit board is respectively controlled and connected to the screw drive motor, the servo motor and the circular cutter drive motor.

[0009] Preferably, one end of the first screw is provided with a plurality of first teeth integrally formed therewith, and one end of the second screw is provided with a plurality of second teeth integrally formed therewith, and the first teeth and the second teeth are engaged with each other.

[0010] Compared with the prior art, the beneficial effects of the present invention are:

[0011] By arranging a discharge mechanism on the front side of the workbench and a material transmission mechanism on the top of the installation box, the material can be automatically transported to the inside of the extrusion barrel, and the granulation process is completed through the extrusion mechanism and the cutting mechanism. The product falls into the inside of the discharge barrel along the lower hopper. The flip cylinder drives the flip plate and drives the discharge barrel to flip, which can realize fast unloading, short waiting time, and uninterrupted granulation, greatly improving the production efficiency of granulation. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 This is a three-dimensional diagram of a twin-screw extruder granulator of the present invention;

[0013] Figure 2 This is a schematic structural diagram of an extrusion barrel in a twin-screw extruder granulator of the present utility model.

[0014] Numbers in the figure:

[0015] 1-feeding screw, 2-feed hopper, 3-servo motor, 4-lower hopper, 5-circular cutter drive motor, 6-discharging barrel, 7-flip plate, 8-flip cylinder, 9-installation box, 10-workbench, 11-screw drive motor, 12-first screw, 13-second screw, 14-extrusion barrel, 15-first tooth, 16-second tooth. DETAILED DESCRIPTION

[0016] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0017] like Figure 1-2As shown, the utility model provides a twin-screw extruder granulator, including a workbench 10, an installation box 9 is provided on the workbench 10, and a lower hopper 4 communicating with the interior of the installation box 9 is provided on one side of the installation box 9 close to the cutting mechanism, and the discharge barrel 6 is provided just below the lower hopper 4, and a material transmission mechanism is provided on the top of the installation box 9, and the material transmission mechanism includes a servo motor 3, a feed hopper 2 and a feeding screw 1 arranged inside the feed hopper 2, and a weight sensor and a main control circuit board are provided inside the discharge barrel 6, and the weight sensor is electrically connected to the main control circuit board, and the main control circuit board is respectively controlled and connected with the screw drive motor 11, the servo motor 3 and the circular cutter drive motor 5, and the servo motor 3 is driven and connected with the feeding screw 1, and a discharge port communicating with the interior of the extrusion barrel 14 is provided on one side of the feed hopper 2, and the interior of the installation box 9 The workbench 10 is provided with an extrusion mechanism and a cutting mechanism. The front side of the workbench 10 is provided with a unloading mechanism. The extrusion mechanism includes a screw drive motor 11, an extrusion barrel 14 and a first screw 12 and a second screw 13 arranged inside the extrusion barrel 14. The first screw 12 is transmission-connected with the second screw 13. One end of the first screw 12 is provided with a plurality of first teeth 15 integrally formed therewith, and one end of the second screw 13 is provided with a plurality of second teeth 16 integrally formed therewith. The first teeth 15 and the second teeth 16 are engaged with each other. The cutting mechanism includes a circular cutter and a circular cutter drive motor 5 for driving the circular cutter to rotate. The unloading mechanism includes a unloading barrel 6, a flip plate 7 and a flip cylinder 8 for driving the flip plate 7 to flip. The unloading barrel 6 is fixedly mounted on the end face of the flip plate 7 and moves therewith.

[0018] Compared with the traditional technology: by arranging the unloading mechanism on the front side of the workbench 10 and the material transmission mechanism on the top of the installation box 9, the material can be automatically transported to the inside of the extrusion barrel 14, and the granulation process is completed through the extrusion mechanism and the cutting mechanism. The product falls along the lower hopper 4 to the inside of the unloading barrel 6. The flip cylinder 8 drives the flip plate 7 and drives the unloading barrel 6 to do a flip movement, which can realize fast unloading, short waiting time, and can realize uninterrupted granulation, greatly improving the production efficiency of granulation.

[0019] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above and that the present invention can be implemented in other specific forms without departing from the spirit or essential characteristics of the present invention. Therefore, the embodiments should be considered in all respects as illustrative and non-restrictive, and the scope of the present invention is defined by the appended claims, not the foregoing description, and all variations within the meaning and range of equivalents of the claims are intended to be encompassed within the present invention. Any reference sign in a claim should not be construed as limiting the claim to which it relates.

Claims

1. A twin-screw extruder granulator, comprising a workbench, a mounting box provided on the workbench, a material transfer mechanism provided on the top of the mounting box, characterized in that: An extrusion mechanism and a cutting mechanism are provided inside the installation box, and a unloading mechanism is provided on the front side of the workbench. The extrusion mechanism includes a screw drive motor, an extrusion barrel, and a first screw and a second screw provided inside the extrusion barrel. The first screw is transmission-connected to the second screw. The cutting mechanism includes a circular cutter and a circular cutter drive motor for driving the circular cutter to rotate. The unloading mechanism includes a unloading barrel, a flip plate, and a flip cylinder for driving the flip plate to flip. The unloading barrel is fixedly mounted on the end face of the flip plate and moves therewith.

2. A twin-screw extruder granulator according to claim 1, characterized in that, The material transmission mechanism includes a servo motor, a feed hopper and a feeding screw arranged inside the feed hopper. The servo motor is driven and connected to the feeding screw. One side of the feed hopper is provided with a discharge port that communicates with the inside of the extrusion barrel.

3. A twin-screw extruder granulator according to claim 1, characterized in that, A lower hopper communicated with the interior of the installation box is provided on one side of the installation box close to the cutting mechanism, and the discharge barrel is arranged just below the lower hopper.

4. A twin-screw extruder granulator according to claim 1, characterized in that, A weight sensor and a main control circuit board are provided inside the discharge barrel. The weight sensor is electrically connected to the main control circuit board, and the main control circuit board is controlled and connected to the screw drive motor, the servo motor and the circular cutter drive motor respectively.

5. A twin-screw extruder granulator according to claim 1, characterized in that, One end of the first screw is provided with a plurality of first teeth integrally formed therewith, and one end of the second screw is provided with a plurality of second teeth integrally formed therewith, and the first teeth and the second teeth are engaged with each other.