Screening equipment for metal scrap machining
By designing the crushing and screening mechanism, the problems of clogging and dust pollution in metal waste screening are solved by using a vibrating motor and an exhaust fan, achieving efficient screening and environmentally friendly treatment.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- JIASHAN BAOJU WASTE & OLD METAL RECYCLING CO LTD
- Filing Date
- 2025-07-29
- Publication Date
- 2026-05-19
AI Technical Summary
Metal scrap can easily accumulate and clog screening equipment during the screening process, and dust can pollute the environment and harm health.
It employs a crushing and screening mechanism, uses a vibrating motor to drive the screen to vibrate, combines an exhaust fan to collect dust, and sets up a guide plate and a dust collection box to prevent dust from spreading. It also separates metal waste through different screens.
It effectively reduces screen clogging, prevents dust pollution, and improves screening efficiency and environmental protection.
Smart Images

Figure CN224253488U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of metal waste processing technology, and in particular to a screening device for metal waste processing. Background Technology
[0002] Metal scrap refers to used and discarded metals. It is an important source of raw materials for the production of industrial metals and alloys, especially steel, copper, lead, aluminum, and zinc. Small amounts of tin, nickel, magnesium, and precious metals can also be recovered from the scrap. Therefore, metal scrap is processed and screened to facilitate recycling.
[0003] In existing technologies, metal scrap comes in various shapes and sizes, which can easily cause it to accumulate at the feed inlet, screen, or conveyor channel of the screening equipment during the screening process, resulting in blockages and affecting the screening progress. Furthermore, screening metal scrap generates a large amount of dust, which enters the air, polluting the environment and endangering the health of operators. Utility Model Content
[0004] The purpose of this invention is to address the problems in the existing technology where metal scrap comes in various shapes and sizes, easily accumulating at the feed inlet, screen, or conveying channel of the screening equipment during the screening process, causing blockages and affecting the screening progress; and where a large amount of dust is generated during the screening of metal scrap, which pollutes the environment and endangers the health of operators. Therefore, this invention proposes a screening equipment for processing metal scrap.
[0005] To achieve the above objectives, this utility model adopts the following technical solution: It includes a crushing mechanism and a screening mechanism; the screening mechanism includes a screening box, a guide plate fixedly installed inside the screening box, a wind box fixedly installed inside the screening box, an exhaust fan fixedly installed inside the wind box, a first screen and a second screen respectively installed inside the screening box, the first screen being positioned on top of the second screen, the aperture of the first screen being larger than that of the second screen, a connecting block fixedly installed at the bottom of the first screen and the second screen, a dust collection box slidably connected inside the screening box, and waste collection boxes provided on one side of the first screen, the second screen, and the bottom of the second screen.
[0006] Preferably, a baffle is inserted on the top of the screening box, the baffle is disposed on one side of the first screen and the second screen, and a set of vibration motors is fixedly installed on one side of the screening box, and the output ends of the set of vibration motors are respectively fixedly connected to one end of the connecting block.
[0007] Preferably, the crushing mechanism includes a feeding box, the bottom of which is fixedly connected to the crushing box.
[0008] Preferably, a rotating shaft is inserted inside the feeding box, and the rotating shaft is rotatably connected to the feeding box.
[0009] Preferably, a rotating plate is fixedly installed on the outer wall of the rotating shaft, and a limiting plate is fixedly installed on one side of the rotating plate.
[0010] Preferably, a set of crushing rollers is rotatably connected inside the crushing box, a set of crushing motors is fixedly installed on one side of the crushing box, the output ends of the set of crushing motors are respectively fixedly connected to one end of the set of crushing rollers, and a diverter plate is fixedly installed on the inner wall of the feeding box.
[0011] Preferably, the crushing box is fixedly installed on the top of the screening box, the crushing box is connected to the screening box, and the guide plate is disposed at the bottom of the diversion plate.
[0012] Compared with the prior art, the advantages and positive effects of this utility model are as follows:
[0013] 1. In this utility model, by setting a connecting block at the bottom of the first screen and the second screen, a set of vibration motors are fixedly installed on one side of the screening box, and the output end of the vibration motor is fixedly connected to one side of the connecting block. The vibration motor drives the connecting block to vibrate, thereby causing the first screen and the second screen to vibrate, reducing the risk of screen blockage.
[0014] 2. In this utility model, the exhaust fan generates airflow to blow the dust falling from the diversion plate toward the guide plate. The dust falls into the dust collection box inside the screening box through the guide plate. At the same time, the rotating plate blocks the feed inlet to prevent dust from flying out of the feed inlet, which facilitates the collection of dust and prevents dust from entering the air from inside the device and affecting the working environment. Attached Figure Description
[0015] Figure 1 A perspective view of a screening device for processing metal scrap is provided for this utility model;
[0016] Figure 2 A rear view of a screening device for processing metal scrap is provided for this utility model;
[0017] Figure 3 A cross-sectional view of a screening device for processing metal scrap is provided for this utility model;
[0018] Figure 4 This utility model provides an exploded view of the crushing mechanism in a screening device for processing metal waste;
[0019] Figure 5 This utility model provides a cross-sectional view of the screening mechanism in a screening device for metal scrap processing.
[0020] Legend: 1. Crushing mechanism; 101. Feeding box; 102. Crushing box; 103. Rotating shaft; 104. Rotating plate; 105. Limiting plate; 106. Crushing roller; 107. Crushing motor; 108. Diverting plate; 2. Screening mechanism; 201. Screening box; 202. Guide plate; 203. Air box; 204. Exhaust fan; 205. First screen; 206. Second screen; 207. Connecting block; 208. Dust collection box; 209. Waste collection box; 210. Baffle; 211. Vibrating motor. Detailed Implementation
[0021] To better understand the above-mentioned objectives, features, and advantages of this utility model, the present utility model will be further described below with reference to the accompanying drawings and embodiments. It should be noted that, unless otherwise specified, the embodiments and features described in these embodiments can be combined with each other.
[0022] Many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Therefore, the present invention is not limited to the specific embodiments disclosed in the following specification.
[0023] Example 1: As Figures 1-5 As shown, this utility model provides a screening device for metal waste processing, including: a crushing mechanism 1 and a screening mechanism 2; the screening mechanism 2 includes a screening box 201, a guide plate 202 fixedly installed inside the screening box 201, a wind box 203 fixedly installed inside the screening box 201, an exhaust fan 204 fixedly installed inside the wind box 203, a first screen 205 and a second screen 206 respectively installed inside the screening box 201, the first screen 205 is located on top of the second screen 206, the aperture of the first screen 205 is larger than the aperture of the second screen 206, a connecting block 207 is fixedly installed at the bottom of the first screen 205 and the second screen 206, a dust collection box 208 is slidably connected inside the screening box 201, and waste collection boxes 209 are provided on one side of the first screen 205 and the second screen 206 and at the bottom of the second screen 206.
[0024] The overall effect of Embodiment 1 is as follows: a guide plate 202 is fixedly installed inside the screening box 201; a wind box 203 is fixedly installed inside the screening box 201; and an exhaust fan 204 is fixedly installed inside the wind box 203. The exhaust fan 204 generates airflow to blow the dust falling from the diversion plate 108 toward the guide plate 202. The dust then falls through the guide plate 202 into the dust collection box 208 inside the screening box 201. At the same time, the rotating plate 104 blocks the feed inlet. To prevent dust from escaping from the feed inlet and facilitate dust collection, and to prevent dust from entering the air from inside the device and affecting the working environment, a first screen 205 and a second screen 206 are fixedly installed inside the screening box 201. The aperture of the first screen 205 is set to be larger than that of the second screen 206 to facilitate the screening of metal scrap and to separate metal scrap pieces of different sizes. A connecting block 207 is then installed at the bottom of the first screen 205 and the second screen 206, and fixed on one side of the screening box 201. A set of vibration motors 211 is fixedly installed, and the output end of the vibration motors 211 is fixedly connected to one side of the connecting block 207. The vibration motors 211 drive the connecting block 207 to vibrate, thereby causing the first screen 205 and the second screen 206 to vibrate, reducing the risk of screen clogging. Then, waste collection boxes 209 are set on one side of the first screen 205 and the second screen 206, and at the bottom of the second screen 206, to facilitate the collection of metal waste of different particle sizes. A baffle 210 is inserted on the top of the screening box 201, and the baffle 210 is set on one side of the first screen 205 and the second screen 206 to separate the first screen 205 and the second screen 206 from the waste collection box 209, preventing waste from entering the interior of the waste collection box 209 during the screening process and affecting the screening quality. After screening is completed, the baffle 210 is removed, allowing the waste debris on the top of the first screen 205 and the second screen 206 to fall into the interior of the waste collection box 209 for waste collection.
[0025] Example 2: As Figures 1-5As shown, a baffle 210 is inserted into the top of the screening box 201. The baffle 210 is located on one side of the first screen 205 and the second screen 206. A set of vibration motors 211 is fixedly installed on one side of the screening box 201. The output ends of the set of vibration motors 211 are respectively fixedly connected to one end of the connecting block 207. The crushing mechanism 1 includes a feeding box 101. The bottom of the feeding box 101 is fixedly connected to the crushing box 102. A rotating shaft 103 is inserted inside the feeding box 101. The rotating shaft 103 is rotatably connected to the feeding box 101. The outer wall of the rotating shaft 103 is fixedly mounted on... A rotating plate 104 is installed, and a limiting plate 105 is fixedly installed on one side of the rotating plate 104; a set of crushing rollers 106 are rotatably connected inside the crushing box 102, and a set of crushing motors 107 are fixedly installed on one side of the crushing box 102. The output ends of the set of crushing motors 107 are respectively fixedly connected to one end of the set of crushing rollers 106. A diversion plate 108 is fixedly installed on the inner wall of the feeding box 101; the crushing box 102 is fixedly installed on the top of the screening box 201, and the crushing box 102 is connected to the screening box 201. A guide plate 202 is set at the bottom of the diversion plate 108.
[0026] The overall effect of Embodiment 2 is as follows: by inserting a rotating shaft 103 inside the feeding box 101, the rotating shaft 103 is rotatably connected to the feeding box 101, a rotating plate 104 is fixedly installed on the outer wall of the rotating shaft 103, and a limiting plate 105 is fixedly installed on one side of the rotating plate 104. When processing metal waste, the waste pushes open the rotating plate 104, making it easy to put the waste into the feeding box 101. The bottom of the feeding box 101 is fixedly connected to the crushing box 102. A set of crushing motors 107 drives a set of crushing rollers 106 to rotate relative to each other to crush the metal waste, reducing the volume of the metal waste and facilitating subsequent classification and screening. Secondly, the bottom of the crushing box 102 is fixedly connected to the screening box 201, and a diversion plate 108 is fixedly installed on the inner wall of the crushing box 102 to collect the crushed metal waste.
[0027] Working principle: In use, the device first inserts a rotating shaft 103 inside the feeding box 101, rotatably connecting the shaft 103 to the feeding box 101. A rotating plate 104 is fixedly installed on the outer wall of the rotating shaft 103, and a limiting plate 105 is fixedly installed on one side of the rotating plate 104. When processing metal scrap, the scrap pushes open the rotating plate 104, facilitating the placement of the scrap into the feeding box 101. A crushing box 102 is fixedly connected to the bottom of the feeding box 101. A set of crushing motors 107 drives a set of crushing rollers 106 to rotate relative to each other, crushing the metal scrap and reducing its volume for easier subsequent sorting and screening. Secondly, a limiting plate 105 is fixed at the bottom of the crushing box 102... A flow divider 108 is fixedly installed on the inner wall of the crushing box 102, connecting the screening box 201. The flow divider 108 collects the crushed metal waste. A guide plate 202 and a wind box 203 are fixedly installed inside the screening box 201. An exhaust fan 204 is fixedly installed inside the wind box 203. The exhaust fan 204 generates airflow to blow the dust falling from the flow divider 108 toward the guide plate 202. The dust falls through the guide plate 202 into the dust collection box 208 inside the screening box 201. At the same time, a rotating plate 104 blocks the feed inlet to prevent dust from flying out, facilitating dust collection and preventing dust from entering the device. Air entering the screen affects the working environment. Therefore, a first screen 205 and a second screen 206 are fixedly installed inside the screening box 201. The aperture of the first screen 205 is larger than that of the second screen 206 to facilitate the screening of metal waste, separating metal scrap of different sizes. A connecting block 207 is then installed at the bottom of the first screen 205 and the second screen 206. A set of vibrating motors 211 is fixedly installed on one side of the screening box 201. The output end of the vibrating motors 211 is fixedly connected to one side of the connecting block 207. The vibrating motors 211 drive the connecting block 207 to vibrate, thereby causing the first screen 205 and the second screen 206 to vibrate, reducing the risk of screen clogging. Then, waste collection boxes 209 are set on one side of the first screen 205 and the second screen 206, and at the bottom of the second screen 206, to facilitate the collection of metal waste of different particle sizes. A baffle 210 is then inserted on the top of the screening box 201, and the baffle 210 is set on one side of the first screen 205 and the second screen 206 to separate the first screen 205 and the second screen 206 from the waste collection box 209, so as to prevent waste from entering the interior of the waste collection box 209 during the screening process and affecting the screening quality. After the screening is completed, the baffle 210 is pulled out so that the waste debris on the top of the first screen 205 and the second screen 206 falls into the interior of the waste collection box 209 for waste collection.
[0028] The wiring diagrams of the crushing motor 107 and the vibrating motor 211 in this utility model are common knowledge in the field, and their working principles are known technologies. The appropriate model is selected according to actual use. Therefore, the control method and wiring layout of the crushing motor 107 and the vibrating motor 211 will not be explained in detail.
[0029] The above description is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model in any other way. Any person skilled in the art may make changes or modifications to the above-disclosed technical content to create equivalent embodiments for application in other fields. However, any simple modifications, equivalent changes, and modifications made to the above embodiments based on the technical essence of the present utility model without departing from the technical solution of the present utility model shall still fall within the protection scope of the technical solution of the present utility model.
Claims
1. A screening device for processing metal scrap, characterized in that, include: Crushing mechanism (1) and screening mechanism (2); The screening mechanism (2) includes a screening box (201), a guide plate (202) is fixedly installed inside the screening box (201), a wind box (203) is fixedly installed inside the screening box (201), an exhaust fan (204) is fixedly installed inside the wind box (203), a first screen (205) and a second screen (206) are respectively installed inside the screening box (201), the first screen (205) is located on top of the second screen (206), the aperture of the first screen (205) is larger than the aperture of the second screen (206), a connecting block (207) is fixedly installed at the bottom of the first screen (205) and the second screen (206), a dust collection box (208) is slidably connected inside the screening box (201), and waste collection boxes (209) are provided on one side of the first screen (205) and the second screen (206) and at the bottom of the second screen (206).
2. The screening equipment for metal scrap processing according to claim 1, characterized in that: A baffle (210) is inserted on the top of the screening box (201). The baffle (210) is located on one side of the first screen (205) and the second screen (206). A set of vibration motors (211) is fixedly installed on one side of the screening box (201). The output ends of the set of vibration motors (211) are respectively fixedly connected to one end of the connecting block (207).
3. The screening equipment for metal scrap processing according to claim 1, characterized in that: The crushing mechanism (1) includes a feeding box (101), the bottom of which is fixedly connected to the crushing box (102).
4. The screening equipment for metal scrap processing according to claim 3, characterized in that: A rotating shaft (103) is inserted inside the feeding box (101), and the rotating shaft (103) is rotatably connected to the feeding box (101).
5. The screening equipment for metal scrap processing according to claim 4, characterized in that: A rotating plate (104) is fixedly installed on the outer wall of the rotating shaft (103), and a limiting plate (105) is fixedly installed on one side of the rotating plate (104).
6. The screening equipment for metal scrap processing according to claim 3, characterized in that: A set of crushing rollers (106) are rotatably connected inside the crushing box (102). A set of crushing motors (107) are fixedly installed on one side of the crushing box (102). The output ends of the set of crushing motors (107) are respectively fixedly connected to one end of the set of crushing rollers (106). A diverter plate (108) is fixedly installed on the inner wall of the feeding box (101).
7. The screening equipment for metal scrap processing according to claim 6, characterized in that: The crushing box (102) is fixedly installed on the top of the screening box (201), the crushing box (102) is connected to the screening box (201), and the guide plate (202) is located at the bottom of the diversion plate (108).