Metal detection device for plastic recovery
By introducing magnetic rotating rollers and metal sensors into the plastic recycling device, the problem of inability to detect and screen metals in plastics in the prior art is solved, and effective metal screening and plastic recycling are achieved.
Patent Information
- Application Number
- CN202422349818.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-26
- Publication Date
- 2025-08-05
- Estimated Expiration
- 2034-09-26
AI Technical Summary
Existing plastic recycling devices cannot effectively detect and screen out metals in plastics, affecting the recycling of plastics.
A metal detection device including a recycling box, a rolling roller, a magnetic rotating roller and a metal sensor is designed. By crushing and crushing plastics and using a magnetic rotating roller to absorb metal, it cooperates with sensor detection to realize metal screening.
Effective detection and screening of metals in plastics is achieved, and the utilization efficiency of plastic recycling is improved.
Smart Images

Figure CN223192655U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of plastic recycling, in particular to a metal detection device for plastic recycling. Background Art
[0002] Plastic recycling refers to the process of reusing and repurposing waste plastics through specific recycling processes, transforming waste into valuable resources. Currently, my country's waste plastics primarily include plastic film, plastic yarn and woven fabrics, foam plastics, plastic packaging and containers, household plastic products, plastic bags, and agricultural mulch. During plastic recycling, metal contamination often occurs, hindering recycling and necessitating metal detection.
[0003] After searching the existing published patent application number: CN202221807106.9, the name of the published patent is: A plastic recycling device, including an installation box, a recycling chamber is provided in the installation box, a crushing piece is rotatably connected in the recycling chamber, a rolling roller is rotatably connected in the recycling chamber, the rolling roller is located below the crushing piece, a heating piece is provided on one side of the recycling chamber, and the heating piece is located on one side of the rolling roller, and a collecting piece is provided at the bottom of the recycling chamber. The utility model is a plastic recycling device, which can not only fully crush the plastic, but also further reduce the space occupied by the plastic by melting, and at the same time can facilitate the collection of the melted plastic, thereby improving the recycling and storage efficiency of the plastic.
[0004] However, the above device cannot detect and screen the metal in the plastic, and the metal will affect the recycling of the plastic, so there is room for improvement. Utility Model Content
[0005] (1) Technical problems solved
[0006] In view of the deficiencies of the prior art, the utility model provides a metal detection device for plastic recycling, which solves the problem that the metal in the plastic cannot be detected and screened, and the metal affects the recycling of the plastic.
[0007] Technical Solution
[0008] To achieve the above objectives, the present invention is implemented through the following technical solutions: a metal detection device for plastic recycling, comprising: a recycling box, a mounting frame fixedly connected to one side of the recycling box, a motor fixedly mounted on the surface of the mounting frame, symmetrically arranged rolling rollers in the recycling box, the rolling rollers rotatably connected to the interior of the recycling box, a transmission box provided at one end of the rolling rollers, an output shaft end of the motor fixedly connected to a group of rolling rollers, a plastic discharge port opened on one side of the recycling box, a mounting plate fixedly connected to the recycling box, metal sensors arranged in an equidistant array on the surface of the mounting plate, and a metal recovery component provided in the recycling box;
[0009] The metal recycling component includes a driving pulley, which is fixedly connected to the surface of the motor output shaft. A magnetic rotating roller is rotatably connected in the recycling box. One end of the magnetic rotating roller is fixedly connected to a driven pulley. The driven pulley and the driving pulley are connected by a first transmission belt.
[0010] Preferably, the inner wall of the recycling box is symmetrically provided with a positioning rod, one end of the positioning rod is slidably connected to a sliding rod, one end of the sliding rod is fixedly connected to a scraper, the scraper is fitted with the magnetic rotating roller, and a spring is fixedly connected between the positioning rod and the scraper.
[0011] Preferably, a blanking plate is provided inside the recovery box below the magnetic rotating roller, and a metal blanking port is provided on one side of the recovery box close to the blanking plate.
[0012] Preferably, a shaking assembly is provided on the recycling box, and the shaking assembly includes a power pulley, and the power pulley is fixedly connected to one side of the driven pulley. A cam is rotatably connected inside the recycling box, and one end of the cam is fixedly connected to a transmission pulley, and the transmission pulley and the power pulley are connected via a second transmission belt.
[0013] Preferably, the cam is arranged below a blanking plate, and the blanking plate is rotatably connected to the inside of the recovery box.
[0014] Preferably, a discharge plate is fixedly connected to the recycling box, and the discharge plate is arranged below the magnetic rotating roller.
[0015] Preferably, a feeding guide plate is symmetrically arranged at an upper position inside the recovery box, and the mounting plate is arranged below the rolling roller.
[0016] Beneficial effects
[0017] The present invention provides a metal detection device for plastic recycling, which has at least the following beneficial effects compared with the prior art:
[0018] Start the motor and pour the recycled plastic into the recycling bin. The motor drives the crushing roller to rotate, crushing the plastic. The crushed plastic falls on the surface of the magnetic rotating roller. During the falling process of the plastic, the metal sensor will detect the plastic fragments to detect whether they contain metal. When the plastic fragments fall on the surface of the magnetic rotating roller, the metal will be absorbed by the magnetic rotating roller and the fragments will be discharged through the plastic discharge port, realizing metal detection and screening, which is convenient for use and facilitates the recycling of plastics. BRIEF DESCRIPTION OF THE DRAWINGS
[0019] Figure 1 This is a schematic diagram of the structure of the metal recovery component of the utility model;
[0020] Figure 2 It is a structural diagram of the utility model;
[0021] Figure 3 This is a schematic cross-sectional view of the utility model;
[0022] Figure 4 This is an enlarged schematic diagram of the structure at point A of the present utility model.
[0023] In the figure: 1. Recycling box; 2. Mounting frame; 3. Motor; 4. Roller; 5. Transmission box; 6. Mounting plate; 7. Metal sensor; 8. Feeding guide plate; 9. Metal recycling component; 901. Driving pulley; 902. Driven pulley; 903. First transmission belt; 904. Magnetic rotating roller; 905. Discharge plate; 906. Positioning rod; 907. Sliding rod; 908. Scraper; 909. Spring; 910. Metal discharge port; 10. Shaking component; 1001. Power pulley; 1002. Transmission pulley; 1003. Second transmission belt; 1004. Cam; 11. Plastic discharge port; 12. Discharge plate. DETAILED DESCRIPTION
[0024] 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.
[0025] Example 1:
[0026] See also Figure 1-4 The utility model provides a technical solution: a recycling box 1, a mounting frame 2 is fixedly connected to one side of the recycling box 1, a motor 3 is fixedly installed on the surface of the mounting frame 2, rolling rollers 4 are symmetrically arranged in the recycling box 1, the rolling rollers 4 are rotatably connected to the inside of the recycling box 1, a transmission box 5 is provided at one end of the rolling rollers 4, the output shaft end of the motor 3 is fixedly connected to a group of rolling rollers 4, a plastic discharge port 11 is opened on one side of the recycling box 1, a mounting plate 6 is fixedly connected in the recycling box 1, and metal sensors 7 are equidistantly arrayed on the surface of the mounting plate 6, and a metal recovery component 9 is provided in the recycling box 1;
[0027] Metal recycling assembly 9 includes a driving pulley 901, fixedly connected to the output shaft of motor 3. A magnetic roller 904 is rotatably connected to recycling bin 1. One end of magnetic roller 904 is fixedly connected to a driven pulley 902. Driven pulley 902 and driving pulley 901 are connected via a first transmission belt 903. Feeding guides 8 are symmetrically positioned near the top of recycling bin 1, and a mounting plate 6 is positioned below the crushing roller 4.
[0028] Analysis of the above content: Start the motor 3 and pour the recycled plastic into the recycling box 1. The motor 3 drives the crushing roller 4 to rotate to crush the plastic. The crushed plastic falls on the surface of the magnetic rotating roller 904. In the process of the plastic falling, the metal sensor 7 will detect the plastic fragments to detect whether they contain metal. When the plastic fragments fall on the surface of the magnetic rotating roller 904, the metal will be adsorbed by the magnetic rotating roller 904, and the fragments will be discharged through the plastic discharge port 11, realizing the detection and screening of metal, which is convenient for use and facilitates the recycling of plastics.
[0029] Example 2:
[0030] See also Figure 1-4 The present invention provides a technical solution based on Example 1: a positioning rod 906 is symmetrically arranged on the inner wall of the recycling box 1, one end of the positioning rod 906 is slidably connected to a sliding rod 907, one end of the sliding rod 907 is fixedly connected to a scraper 908, the scraper 908 is fitted with the magnetic rotating roller 904, and a spring 909 is fixedly connected between the positioning rod 906 and the scraper 908.
[0031] Analysis of the above content: Under the action of spring 909, scraper 908 is always in contact with magnetic rotating roller 904. When magnetic rotating roller 904 rotates, the metal on the surface of magnetic rotating roller 904 is scraped off, so as to continuously collect metal that can be absorbed by the magnet.
[0032] Example 3:
[0033] See also Figure 1-4 The present invention provides a technical solution based on the first embodiment: a blanking plate 905 is provided inside the recycling box 1 below the magnetic rotating roller 904 , and a metal blanking port 910 is opened on one side of the recycling box 1 close to the blanking plate 905 .
[0034] Analysis of the above content: The scraped metal falls on the surface of the blanking plate 905 and is discharged through the metal blanking port 910.
[0035] Example 4:
[0036] See also Figure 1-4The utility model provides a technical solution based on Example 1: a shaking component 10 is provided on the recycling box 1, and the shaking component 10 includes a power pulley 1001, and the power pulley 1001 is fixedly connected to one side of the driven pulley 902. A cam 1004 is rotatably connected inside the recycling box 1, and one end of the cam 1004 is fixedly connected to a transmission pulley 1002. The transmission pulley 1002 and the power pulley 1001 are connected through a second transmission belt 1003.
[0037] Analysis of the above content: The driven pulley 902 drives the power pulley 1001 to rotate, and under the action of the second transmission belt 1003, the transmission pulley 1002 drives the cam 1004 to rotate, and the rotation of the cam 1004 drives the blanking plate 905 to move up and down, causing the metal to be shaken and fall.
[0038] Embodiment 5:
[0039] See also Figure 1-4 The present invention provides a technical solution based on the first embodiment: the cam 1004 is arranged below the blanking plate 905, and the blanking plate 905 is rotatably connected to the inside of the recovery box 1.
[0040] Analysis of the above content: The rotation of the cam 1004 drives the blanking plate 905 to shake, which facilitates the rapid falling of the metal and facilitates collection.
[0041] Example 6:
[0042] See also Figure 1-4 The present invention provides a technical solution based on the first embodiment: a discharge plate 12 is fixedly connected to the recycling box 1 , and the discharge plate 12 is arranged below the magnetic rotating roller 904 .
[0043] Analysis of the above content: the discharge plate 12 is provided to facilitate the discharge of the crushed plastic.
[0044] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that includes a list of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such process, method, article, or apparatus.
[0045] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A metal detection device for plastic recycling, characterized in that: include: A recycling box (1), wherein one side of the recycling box (1) is fixedly connected to a mounting frame (2), a motor (3) is fixedly mounted on the surface of the mounting frame (2), rolling rollers (4) are symmetrically arranged in the recycling box (1), the rolling rollers (4) are rotatably connected to the inside of the recycling box (1), a transmission box (5) is arranged at one end of the rolling rollers (4), the output shaft end of the motor (3) is fixedly connected to a group of rolling rollers (4), a plastic discharge port (11) is opened on one side of the recycling box (1), a mounting plate (6) is fixedly connected in the recycling box (1), a metal sensor (7) is equidistantly arrayed on the surface of the mounting plate (6), and a metal recovery component (9) is arranged in the recycling box (1); The metal recycling assembly (9) comprises a driving pulley (901), wherein the driving pulley (901) is fixedly connected to the surface of the output shaft of the motor (3); a magnetic rotating roller (904) is rotatably connected in the recycling box (1); one end of the magnetic rotating roller (904) is fixedly connected to a driven pulley (902); and the driven pulley (902) and the driving pulley (901) are connected to each other through a first transmission belt (903).
2. A metal detection device for plastic recycling according to claim 1, characterized in that: The inner wall of the recycling box (1) is symmetrically provided with a positioning rod (906), one end of the positioning rod (906) is slidably connected to a sliding rod (907), one end of the sliding rod (907) is fixedly connected to a scraper (908), the scraper (908) is arranged in close contact with the magnetic rotating roller (904), and a spring (909) is fixedly connected between the positioning rod (906) and the scraper (908).
3. A metal detection device for plastic recycling according to claim 2, characterized in that: A blanking plate (905) is provided inside the recovery box (1) below the magnetic rotating roller (904), and a metal blanking port (910) is provided on one side of the recovery box (1) close to the blanking plate (905).
4. A metal detection device for plastic recycling according to claim 3, characterized in that: The recycling box (1) is provided with a shaking assembly (10), and the shaking assembly (10) includes a power pulley (1001), and the power pulley (1001) is fixedly connected to one side of the driven pulley (902). A cam (1004) is rotatably connected inside the recycling box (1), and one end of the cam (1004) is fixedly connected to a transmission pulley (1002). The transmission pulley (1002) and the power pulley (1001) are connected to each other through a second transmission belt (1003).
5. The metal detection device for plastic recycling according to claim 4, characterized in that: The cam (1004) is arranged below the blanking plate (905), and the blanking plate (905) is rotatably connected to the inside of the recovery box (1).
6. The metal detection device for plastic recycling according to claim 1, characterized in that: A discharge plate (12) is fixedly connected to the recycling box (1), and the discharge plate (12) is arranged below the magnetic rotating roller (904).
7. The metal detection device for plastic recycling according to claim 1, characterized in that: A feeding guide plate (8) is symmetrically arranged at an upper position inside the recovery box (1), and the mounting plate (6) is arranged below the rolling roller (4).
Citation Information
Patent Citations
Plastic recovery device
CN218083674U