Plastic particle proportional sorting device for beverage cap production

By designing a plastic particle proportion sorting device for beverage cover production in the waste recharge device of the injection molding machine, the weight sensor and controller are used to detect and control the proportion mixing of new materials and waste, the problem of uncontrollable mixing ratio in the prior art is solved, and product quality and production efficiency are improved.

CN222538181UActive Publication Date: 2025-02-28ZHEJIANG SHANGSHENG PLASTIC IND CO LTD
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Patent Information

Application Number
CN202421349907.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-13
Publication Date
2025-02-28
Estimated Expiration
2034-06-13

AI Technical Summary

Technical Problem

In the waste return device of the injection molding machine, the mixing ratio of new materials and waste cannot be effectively controlled, resulting in a decrease in product quality and production efficiency after injection molding.

Method used

A plastic particle proportional sorting device for beverage cover production is designed, including a waste silo, a new silo and a mixing silo. By setting up weight sensors and controllers at the bottom of each warehouse, the proportional mixing of new and waste materials is detected and controlled, ensuring that the mixture entering the injection molding machine enters in a given proportion.

Benefits of technology

The mixing of new materials and waste materials in a certain proportion has been achieved, the product quality and production efficiency of injection molding is improved, and the effective recycling of plastic resources is ensured.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a plastic particle proportional sorting device for beverage cap production, and belongs to the field of plastic particle sorting. The utility model discloses a plastic particle proportional sorting device for beverage cap production. The plastic particle proportional sorting device comprises a waste bin, a new material bin and a mixing bin, a first feeding hole is formed in the upper end of the waste bin; a first valve is arranged on the first feeding pipeline; a first control device is arranged at the bottom end in the new stock bin; a second feeding hole is formed in the upper end of the new material bin; the new material bin is communicated with the second feeding hole through a second feeding pipeline; a second valve is arranged on the second feeding pipeline; a second control device is arranged at the bottom end in the new stock bin; a first conveying pipeline is arranged at the lower port of the waste bin; a second conveying pipeline is arranged at the lower port of the new stock bin; a partition plate is arranged in the mixing bin; an injection molding machine main body is arranged below the mixing bin. Recycled waste materials and new materials can be mixed and processed after being matched according to a certain proportion.
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Description

Technical Field

[0001] The utility model belongs to the field of plastic particle sorting, and more specifically relates to a plastic particle ratio sorting device used in the production of beverage caps. Background Art

[0002] Plastic pellets generate a large amount of waste after processing. This waste is often processed and remade into granular plastic materials. These materials can be used to manufacture various plastic products, realizing the recycling of plastic resources.

[0003] Chinese patent publication number CN212241888U discloses a waste material recycling device for an injection molding machine. The device includes a mixing hopper where new and waste materials are mixed before being fed into the injection molding machine for processing. The waste is pulverized and recycled, and then automatically fed into the system, reducing intermediate handling and feeding steps and labor intensity. However, since the mixing ratio of new and waste materials is not controlled, this can lead to reduced product quality and production efficiency after injection molding. Utility Model Content

[0004] The technical problem to be solved by the utility model is to provide a plastic particle proportion sorting device for beverage cap production, which can realize mixing and processing of recycled waste materials and new materials according to a certain proportion.

[0005] The utility model discloses a plastic particle proportion sorting device for beverage cap production, comprising a waste bin, a new bin and a mixing bin; a first feed port is provided at the upper end of the waste bin; the first feed port and the waste bin are connected through a first feed pipe; the upper end of the first feed pipe is connected to the lower end of the first feed port, and the lower end of the first feed pipe is connected to the upper end of the waste bin; a first valve is provided on the first feed pipe; a first control device is provided at the inner bottom end of the new bin;

[0006] A second feed port is provided at the upper end of the new material bin; the new material bin and the second feed port are connected via a second feed pipe; the upper end of the second feed pipe is connected to the lower end of the second feed port, and the lower end of the second feed pipe is connected to the upper port of the new material bin; a second valve is provided on the second feed pipe; and a second control device is provided at the inner bottom end of the new material bin;

[0007] A first conveying pipe is provided at the lower end of the waste bin; the upper end of the first conveying pipe is connected to the lower end of the waste bin, and the lower end of the first conveying pipe is connected to the upper end of the mixing bin; a second conveying pipe is provided at the lower end of the new bin; the upper end of the second conveying pipe is connected to the lower end of the new bin, and the lower end of the second conveying pipe is connected to the upper end of the mixing bin;

[0008] A partition is provided inside the mixing bin; the partition is provided between the first delivery pipe opening and the second delivery pipe opening to separate new material from waste material; and an injection molding machine body is provided at the lower end of the mixing bin.

[0009] As a further improvement of the present invention, the first control device includes a first weight sensor and a first controller; the first weight sensor is disposed on the upper side of the interior bottom surface of the waste bin; the first weight sensor is electrically connected to the first controller; and the first controller is electrically connected to the first valve. The first control device is configured to detect the weight of the waste in the waste bin.

[0010] As a further improvement of the present invention, the second control device includes a second weight sensor and a second controller; the second weight sensor is disposed on the upper side of the inner bottom surface of the new silo; the second weight sensor is electrically connected to the second controller; and the second controller is electrically connected to the second valve. The second control device is provided to detect the weight of the material in the new silo.

[0011] As a further improvement to the present invention, a third valve is provided on the first conveying pipe; the third valve is arranged parallel to the bottom end surface of the waste bin and is electrically connected to the first controller. A fourth valve is provided on the second conveying pipe; the fourth valve is arranged parallel to the bottom end surface of the new material bin and is electrically connected to the second controller. When the waste and new material reach a specified weight, the first and second controllers respectively control the third and fourth valves to open, allowing the materials to enter the conveying pipe.

[0012] As a further improvement of the present invention, the waste bin and the new bin are both provided with inclined plates on the upper side of the bottom surface so that all materials flow to the conveying pipe; the inclined plates are both provided above the weight sensor. The inclined plates are provided so that the materials automatically flow to the conveying channel.

[0013] As a further improvement of the present invention, a third control device is provided at the bottom of the partition; the third control device includes a first presence sensor, a second presence sensor, and a third controller; the first and second presence sensors are provided on both sides of the partition, respectively; the first and second presence sensors are located near the bottom of the partition; the first and second presence sensors are electrically connected to the third controller; a fifth valve is provided at the lower end of the mixing chamber; the fifth valve is electrically connected to the third controller. The third control device can confirm that waste material and new material arrive at the mixing chamber at the same time, thereby ensuring mixing of waste material and new material within the injection molding machine.

[0014] Compared with the existing technology, the beneficial effect of the present invention is that before the plastic particles enter the injection molding machine for processing, the waste material and the new material are weight-detected in an independent compartment, so that the new material and the waste material can be proportioned in a certain ratio, thereby achieving proportional mixing of the new material and the waste material. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the overall structure of a specific embodiment of the present invention;

[0016] Figure 2 This is a schematic structural diagram of a control device according to a first specific embodiment of the present invention.

[0017] Description of the numbers in the figure:

[0018] 1. First feed port; 2. Second feed port; 3. First valve; 4. Second valve; 5. First controller; 6. Second controller; 7. Mixing chamber; 8. Injection molding machine; 9. Fifth valve; 10. Second weight sensor; 11. First weight sensor; 12. Third valve; 13. Fourth valve; 14. Inclined plate. DETAILED DESCRIPTION

[0019] Specific embodiment 1: Please refer to Figure 1-Figure 2 A plastic particle ratio sorting device for beverage cap production includes a waste bin, a new bin and a mixing bin 7.

[0020] A first feed port 1 is provided at the upper end of the waste bin, and the first feed port 1 and the waste bin are communicated with each other through a first feed pipe.

[0021] The upper end of the first feed pipe is connected to the lower end of the first feed port 1, and the lower end of the first feed pipe is connected to the upper port of the waste bin. A first valve 3 is provided on the first feed pipe. A first control device is provided at the bottom end of the new bin.

[0022] The first control device includes a first weight sensor 11 and a first controller 5. The first weight sensor 11 is disposed on the upper side of the interior bottom surface of the waste bin and is electrically connected to the first controller 5. The first controller 5 is electrically connected to the first valve 3. The first control device is configured to detect the weight of the waste within the waste bin.

[0023] A second feed port 2 is provided at the top of the new silo. The new silo and the second feed port 2 are connected via a second feed pipe. The upper end of the second feed pipe is connected to the lower end of the second feed port 2, and the lower end of the second feed pipe is connected to the upper port of the new silo. A second valve 4 is provided on the second feed pipe. A second control device is provided at the bottom of the new silo.

[0024] The second control device includes a second weight sensor 10 and a second controller 6. The second weight sensor 10 is located on the upper side of the interior bottom surface of the new silo. The second weight sensor 10 is electrically connected to the second controller 6. The second controller 6 is electrically connected to the second valve 4. The second control device is configured to detect the weight of the material in the new silo.

[0025] A first delivery pipe is installed at the lower end of the waste bin. Its upper end is connected to the lower end of the waste bin, which in turn is connected to the upper end of the mixing bin 7. A third valve 12 is installed on the first delivery pipe. This valve is parallel to the bottom end of the waste bin and is electrically connected to the first controller 5.

[0026] A second delivery pipe is installed at the lower end of the new material silo. The upper end of the second delivery pipe is connected to the lower end of the new material silo, which in turn is connected to the upper end of the mixing silo 7. A fourth valve 13 is installed on the second delivery pipe, parallel to the bottom end of the new material silo. Fourth valve 13 is electrically connected to second controller 6. When the waste material and new material reach a specified weight, first controller 5 and second controller 6 respectively control the opening of third valve 12 and fourth valve 13, allowing the material to enter the delivery pipe.

[0027] The waste bin and the new bin are both provided with inclined plates 14 on the upper side of the bottom surface to make all the materials flow to the conveying pipe. The inclined plates 14 are both provided on the upper side of the weight sensor. The inclined plates 14 are provided to make the materials flow automatically to the conveying channel.

[0028] A partition is provided inside the mixing bin 7. The partition is provided between the first delivery pipe opening and the second delivery pipe opening to separate new material from waste material.

[0029] A third control device is provided at the bottom of the partition. The third control device includes a first presence sensor, a second presence sensor, and a third controller. The first and second presence sensors are provided on either side of the partition, respectively. The first and second presence sensors are located near the bottom of the partition and are electrically connected to the third controller. A fifth valve 9 is provided at the lower end of the mixing chamber 7 and is electrically connected to the third controller. The third control device ensures that waste material and new material arrive at the mixing chamber 7 simultaneously, ensuring mixing of the waste and new material within the injection molding machine 8.

[0030] The main body of the injection molding machine 8 is provided at the lower end of the mixing chamber 7 .

[0031] Working principle: The processed injection molding waste particles enter the waste bin through the first feed port 1, and the injection molding new material particles enter the new material bin through the second feed port 2. When the plastic particles in the waste bin and the new material bin reach the set weight, the first controller 5 controls the first valve 3 to close, and the second controller 6 controls the second valve 4 to close. After the first valve 3 and the second valve 4 are closed, the first controller 5 controls the third valve 12 to open, and the second controller 6 controls the fourth valve 13 to open. The materials in the waste bin and the new material bin enter the mixing bin 7. When the presence or absence sensors on both sides of the partition respectively detect that plastic particles, for example, have entered the corresponding compartments, the third controller controls the fifth valve 9 to open, so that the injection molding waste and the injection molding new material enter the injection molding machine 8 for processing according to a given ratio.

Claims

1. A plastic particle ratio sorting device for beverage cap production, characterized in that: It comprises a waste bin, a new bin and a mixing bin (7); a first feed port (1) is arranged at the upper end of the waste bin; the first feed port (1) and the waste bin are connected via a first feed pipe; the upper end of the first feed pipe is connected to the lower end of the first feed port (1), and the lower end of the first feed pipe is connected to the upper end of the waste bin; a first valve (3) is arranged on the first feed pipe; a first control device is arranged at the inner bottom end of the new bin; A second feed port (2) is provided at the upper end of the new material bin; the new material bin and the second feed port (2) are connected via a second feed pipe; the upper end of the second feed pipe is connected to the lower end of the second feed port (2), and the lower end of the second feed pipe is connected to the upper end of the new material bin; a second valve (4) is provided on the second feed pipe; and a second control device is provided at the inner bottom end of the new material bin; A first conveying pipeline is provided at the lower port of the waste bin; the upper end of the first conveying pipeline is connected to the lower end of the waste bin, and the lower end of the first conveying pipeline is connected to the upper end of the mixing bin (7); a second conveying pipeline is provided at the lower port of the new bin; the upper end of the second conveying pipeline is connected to the lower end of the new bin, and the lower end of the second conveying pipeline is connected to the upper end of the mixing bin (7); A partition is arranged inside the mixing bin (7); the partition is arranged between the first conveying pipe opening and the second conveying pipe opening to separate new materials from waste materials; and the main body of the injection molding machine (8) is arranged at the lower end of the mixing bin (7).

2. The plastic particle ratio sorting device for beverage cap production according to claim 1, characterized in that: The first control device comprises a first weight sensor (11) and a first controller (5); the first weight sensor (11) is arranged on the upper side of the inner bottom surface of the waste bin; the first weight sensor (11) is electrically connected to the first controller (5); and the first controller (5) is electrically connected to the first valve (3).

3. The plastic particle ratio sorting device for beverage cap production according to claim 1, characterized in that: The second control device comprises a second weight sensor (10) and a second controller (6); the second weight sensor (10) is arranged on the upper side of the inner bottom surface of the new material bin; the second weight sensor (10) is electrically connected to the second controller (6); and the second controller (6) is electrically connected to the second valve (4).

4. A plastic particle ratio sorting device for beverage cap production according to claim 1, 2 or 3, characterized in that: The first conveying pipe is provided with a third valve (12); the third valve (12) is arranged parallel to the bottom end surface of the waste bin; the third valve (12) is electrically connected to the first controller (5); the second conveying pipe is provided with a fourth valve (13); the fourth valve (13) is arranged parallel to the bottom end surface of the new bin; the fourth valve (13) is electrically connected to the second controller (6).

5. A plastic particle ratio sorting device for beverage cap production according to claim 1, 2 or 3, characterized in that: The waste bin and the new bin are both provided with inclined plates (14) on the upper side of the inner bottom surface, so that all materials flow to the conveying pipeline; the inclined plates (14) are all provided on the upper side of the weight sensor.

6. The plastic particle ratio sorting device for beverage cap production according to claim 1, characterized in that: A third control device is arranged at the bottom of the partition; the third control device comprises a first presence sensor, a second presence sensor and a third controller; the first presence sensor and the second presence sensor are arranged on both sides of the partition respectively; the first presence sensor and the second presence sensor are close to the bottom of the partition; the first presence sensor and the second presence sensor are electrically connected to the third controller; a fifth valve (9) is arranged at the lower end of the mixing bin (7); the fifth valve (9) is electrically connected to the third controller.

Citation Information

Patent Citations

  • Waste material returning device of injection molding machine

    CN212241888U