Three-section type waste circuit board copper powder recycling and sorting mechanism

Abstract

The utility model relates to the technical field of copper powder recycling, in particular to a three-section type waste circuit board copper powder recycling and sorting mechanism which comprises a stirring bin, a feeding pipe is fixedly installed at the upper end of the outer side surface of the stirring bin in an embedded mode, a screening assembly is fixedly installed in the stirring bin, and a stirring assembly is fixedly installed in the stirring bin. The air inlet assembly is fixedly installed on the outer side of the stirring bin and comprises a fan, a three-way pipe is fixedly installed at the air outlet end of the fan, the filtering assembly is fixedly installed at one end of the feeding pipe, a rotating rod is fixedly installed at the output end of a second motor, and a rotating disc is fixedly installed at the lower end of the rotating rod. According to the device, the filtering assembly is arranged at the lower end of the discharging pipe, when powder passes through the filtering net, residual magnetic metal is attracted by the electromagnet in the filtering net and then discharged in a unified mode, the situation that the magnetic metal is doped in copper powder is avoided, the situation that the powder is coagulated into blocks to be mixed into the copper powder during airflow separation is avoided, and the separation purity of the copper powder is improved.

Description

Technical Field

[0001] This utility model relates to the field of copper powder recycling technology, specifically a three-stage waste circuit board copper powder recycling and sorting mechanism. Background Technology

[0002] With the development of the electronics industry, the demand for and replacement of circuit boards are becoming more and more frequent. For the discarded circuit boards, in addition to the fact that some components can still be used, the copper on the circuit boards can also be recycled and reused. During recycling, the circuit boards need to be crushed into powder by a multi-stage crushing device. The powder is first magnetically separated to separate the magnetic metal powder. Then, the copper powder is separated from the resin powder by airflow separation equipment and electrostatic separation equipment.

[0003] In existing magnetic metal sorting, magnetic metals are usually separated by rotating a magnetic roller. However, when some magnetic metal powder is on the outermost side and separated from the magnetic roller by a thick layer of resin powder, most of the magnetic powder is discharged simultaneously with the copper powder by the airflow sorting equipment. This results in a decrease in the purity of the copper powder and makes it difficult to sort the magnetic metal powder again during airflow sorting. Utility Model Content

[0004] The purpose of this invention is to provide a three-stage waste circuit board copper powder recycling and sorting mechanism to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution:

[0006] A three-stage waste circuit board copper powder recycling and sorting mechanism includes:

[0007] A mixing chamber, wherein a feed pipe is fixedly embedded at the upper end of the outer surface of the mixing chamber;

[0008] The screening components are fixedly installed inside the mixing chamber;

[0009] The agitator is fixedly installed inside the mixing chamber;

[0010] An air intake assembly is fixedly installed on the outside of the mixing chamber. The air intake assembly includes a fan, and a three-way pipe is fixedly installed at the air outlet end of the fan.

[0011] A filter assembly is fixedly installed at one end of the feed pipe. The filter assembly includes a second motor fixedly installed on the outer surface of the feed pipe. A rotating rod is fixedly installed at the output end of the second motor, and a turntable is fixedly installed at the lower end of the rotating rod.

[0012] Furthermore, the mixing chamber has a dust outlet at the upper end and a discharge port at the lower end. Multiple filter screens are fixedly installed at equal intervals on one side surface of the turntable, and electromagnets are provided inside the filter screens.

[0013] Furthermore, a discharge hood is fixedly installed inside the mixing chamber, the turntable moves through the discharge hood, a discharge pipe is fixedly installed at the lower end of the discharge hood that passes through the mixing chamber, and the upper end of the discharge hood and the inlet pipe are respectively fixedly connected to both ends of a three-way pipe.

[0014] Furthermore, the filtering component includes:

[0015] The fixing ring is fixedly installed inside the mixing chamber;

[0016] A rubber ring is fixedly installed on the lower surface of the fixing ring;

[0017] The screen is fixedly installed at the lower end of the rubber ring.

[0018] Preferably, a fixing frame is fixedly installed on the lower surface of the screen, and a gas distribution pipe is fixedly installed inside the fixing frame. One end of the gas distribution pipe is fixedly connected to the other end of the three-way pipe.

[0019] Preferably, the agitation assembly includes:

[0020] Motor No. 1 is fixedly installed on the outer surface of the mixing chamber;

[0021] The bracket is fixedly installed on the inner surface of the mixing chamber.

[0022] The rotating shaft is rotatably connected inside the support frame and extends through the mixing chamber;

[0023] The rotating plate is fixedly installed on one end of the rotating shaft.

[0024] Preferably, the output end of the No. 1 motor is fixedly connected to the rotating shaft, and round rods are fixedly installed on one side surface of the rotating plate and the lower end of the fixing frame, with a connecting plate rotatably connected between the two round rods.

[0025] Compared with the prior art, the beneficial effects of this utility model are:

[0026] 1. The No. 2 motor drives the turntable and filter screen to rotate. The electromagnet below the feed pipe is in the open state, adsorbing the residual magnetic metal powder in the powder and carrying the metal powder into the discharge hood. The airflow generated by the fan flows down from the top of the discharge hood, discharging the metal powder from the discharge pipe. A filter bag is set at one end of the discharge pipe to collect the magnetic metal powder. Thus, by setting up a filtration component, when the powder passes through the filter screen, the residual magnetic metal is adsorbed by the electromagnet inside the filter screen and then discharged uniformly, avoiding the magnetic metal from being mixed into the copper powder and improving the separation purity of the copper powder.

[0027] 2. After the powder falls onto the screen, motor number one starts, driving the rotating shaft and rotating plate to rotate. The round rod on the surface of the rotating plate pushes the connecting plate to move and rotate, providing power for the vibration of the screen. The screen vibration breaks up the powder that has clumped together, allowing the copper powder to pass through the screen and fall. Air is blown out from multiple air outlets at the top of the air distribution pipe. The resin powder is discharged from the dust outlet under the upward flow of air, thus preventing the powder from clumping together and mixing into the copper powder during airflow separation, thereby improving the separation purity of the copper powder. Attached Figure Description

[0028] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0029] Figure 2 This is a schematic diagram of the overall vertical cross-sectional structure of this utility model;

[0030] Figure 3 This is a schematic diagram of the vertical cross-sectional structure of the screening component in this utility model;

[0031] Figure 4 This is a schematic diagram of the overall structure of the air intake assembly in this utility model;

[0032] Figure 5 This is a schematic diagram of the filter component structure in this utility model.

[0033] In the diagram: 1. Mixing chamber; 101. Dust outlet; 102. Discharge port; 103. Feed pipe; 2. Screening assembly; 201. Fixing ring; 202. Rubber ring; 203. Screen; 204. Fixing frame; 205. Air distribution pipe; 3. Agitation assembly; 301. Motor No. 1; 302. Rotating shaft; 303. Support; 304. Rotating plate; 305. Round rod; 306. Connecting plate; 4. Air intake assembly; 401. Fan; 402. T-pipe; 403. Discharge hood; 404. Discharge pipe; 5. Filter assembly; 501. Motor No. 2; 502. Rotating rod; 503. Turntable; 504. Filter screen. Detailed Implementation

[0034] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0035] Please see Figure 1-5In this embodiment of the present invention, a three-section waste circuit board copper powder recycling and sorting mechanism includes a mixing chamber 1. A feed pipe 103 is fixedly embedded at the upper end of the outer surface of the mixing chamber 1. A dust outlet 101 is opened at the upper end of the mixing chamber 1, and a discharge outlet 102 is opened at the lower end of the mixing chamber 1. The crushed powder is discharged into the mixing chamber 1 through the feed pipe 103. The sorted resin powder is discharged through the dust outlet 101, and the copper powder is discharged through the discharge outlet 102. A screening component 2 is fixedly installed in the mixing chamber 1. Inside, the stirring component 3 is fixedly installed inside the mixing chamber 1, and the air intake component 4 is fixedly installed outside the mixing chamber 1. The air intake component 4 includes a fan 401, and a three-way pipe 402 is fixedly installed at the air outlet end of the fan 401. The filter component 5 is fixedly installed at one end of the feed pipe 103. The filter component 5 includes a second motor 501 fixedly installed on the outer surface of the feed pipe 103. A rotating rod 502 is fixedly installed at the output end of the second motor 501, and a turntable 503 is fixedly installed at the lower end of the rotating rod 502.

[0036] Specifically, the filter assembly 5 performs magnetic separation on the powder discharged from the feed pipe 103 again. The magnetically separated powder falls into the screening assembly 2 and is dispersed for airflow separation. The air intake assembly 4 provides airflow for airflow separation.

[0037] Example 1

[0038] like Figure 2 , Figure 4 and Figure 5 As shown, in this embodiment, multiple filter screens 504 are fixedly installed at equal intervals on one side surface of the turntable 503, and an electromagnet is provided inside the filter screen 504; a discharge hood 403 is fixedly installed inside the mixing chamber 1, the turntable 503 moves through the discharge hood 403, and a discharge pipe 404 that passes through the mixing chamber 1 is fixedly installed at the lower end of the discharge hood 403; the upper end of the discharge hood 403 and the feed pipe 103 are respectively fixedly connected to both ends of the three-way pipe 402.

[0039] In this embodiment, the second motor 501 operates, driving the turntable 503 and the filter screen 504 to rotate. An electric slip ring (used to transmit power and signal power during unrestricted continuous rotation, is a mature existing technology and will not be elaborated further here) provides power to the electromagnet. The electromagnet below the feed pipe 103 is in the open state, adsorbing the residual magnetic metal powder in the powder and carrying the metal powder into the discharge hood 403. Then the electromagnet stops working, and the airflow generated by the fan 401 flows downward from the top of the discharge hood 403, discharging the metal powder from the discharge pipe 404. A filter bag is set at one end of the discharge pipe 404 to collect the magnetic metal powder. Thus, by setting up the filter assembly 5, when the powder passes through the filter screen 504, the residual magnetic metal is adsorbed by the electromagnet inside the filter screen 504 and then discharged uniformly, avoiding the magnetic metal from being mixed into the copper powder and improving the sorting purity of the copper powder.

[0040] Example 2

[0041] Based on Example 1, in order to compensate for the problem that the powder clumps together and mixes into the copper powder, resulting in a decrease in the purity of the copper powder.

[0042] like Figure 2 and Figure 3 As shown, in this embodiment, the screening component 2 includes: a fixing ring 201 fixedly installed inside the mixing chamber 1, a rubber ring 202 fixedly installed on the lower surface of the fixing ring 201, and a screen 203 fixedly installed at the lower end of the rubber ring 202; a fixing frame 204 is fixedly installed on the lower surface of the screen 203, and a gas distribution pipe 205 is fixedly installed inside the fixing frame 204, with one end of the gas distribution pipe 205 fixedly connected to the other end of the three-way pipe 402.

[0043] In practice, after the powder falls above the screen 203, the screen 203 vibrates, breaking up the powder that has clumped together, allowing the copper powder to fall through the screen 203. Air is blown out from multiple air outlets at the top of the air distribution pipe 205, and the resin powder is discharged from the dust outlet 101 under the upward flow of air. This avoids the powder from clumping together and mixing into the copper powder during airflow separation, thus improving the separation purity of the copper powder.

[0044] like Figure 2 and Figure 3 As shown, in this embodiment, the stirring assembly 3 includes: a primary motor 301 fixedly installed on the outer surface of the stirring chamber 1, a bracket 303 fixedly installed on the inner surface of the stirring chamber 1, a rotating shaft 302 rotatably connected to the inside of the bracket 303 and penetrating the stirring chamber 1, and a rotating plate 304 fixedly installed on one end surface of the rotating shaft 302; the output end of the primary motor 301 is fixedly connected to the rotating shaft 302, and round rods 305 are fixedly installed on one side surface of the rotating plate 304 and the lower end of the fixing frame 204, and a connecting plate 306 is rotatably connected between the two round rods 305.

[0045] In practice, the No. 1 motor 301 operates, driving the rotating shaft 302 and the rotating plate 304 to rotate. Through the rotational connection of the round rod 305 and the connecting plate 306, the round rod 305 on the surface of the rotating plate 304 pushes the connecting plate 306 to move and rotate, causing the fixed frame 204 to drive the screen 203 to shake, providing power for the vibration of the screen 203.

[0046] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

[0047] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A three-stage waste circuit board copper powder recycling and sorting mechanism, characterized in that, The utility model relates to a kind of screening device, including: Stirring bin (1), fixedly embedded installation is carried out on the outer surface upper end of stirring bin (1) feed pipe (103); Screening assembly (2), fixedly installed in stirring bin (1) interior; Agitation assembly (3), fixedly installed in stirring bin (1) interior; Air inlet assembly (4), fixedly installed on the outside of stirring bin (1), the air inlet assembly (4) includes fan (401), and the outlet end of fan (401) is fixedly installed with three-way pipe (402); Filtering assembly (5), fixedly installed in one end of feed pipe (103), the filtering assembly (5) includes no.

2. The three-stage waste circuit board copper powder recycling and sorting mechanism according to claim 1, characterized in that, The upper end of stirring bin (1) is provided with dust outlet (101), and the lower end of stirring bin (1) is provided with discharge port (102), the side surface of rotating disc (503) is fixedly installed with multiple filter screens (504) at equal intervals, and the inner side of filter screen (504) is provided with electromagnet.

3. The three-stage waste circuit board copper powder recycling and sorting mechanism according to claim 1, characterized in that, The inside of stirring bin (1) is fixedly installed with discharging cover (403), and rotating disc (503) is movably penetrated through discharging cover (403), and the lower end of discharging cover (403) is fixedly installed with discharge pipe (404) penetrating stirring bin (1), and the upper end of discharging cover (403) and feed pipe (103) are fixedly communicated with both ends of three-way pipe (402).

4. The three-stage waste circuit board copper powder recycling and sorting mechanism according to claim 1, characterized in that, The screening assembly (2) includes: Fixed ring (201), fixedly installed in stirring bin (1) interior; Rubber ring (202), fixedly installed in the lower surface of fixed ring (201); Screening mesh (203), fixedly installed in the lower end of rubber ring (202).

5. The three-stage waste circuit board copper powder recycling and sorting mechanism according to claim 4, characterized in that, The lower surface of screening mesh (203) is fixedly installed with fixed frame (204), the inside of fixed frame (204) is fixedly installed with gas distribution pipe (205), and one end of gas distribution pipe (205) is fixedly communicated with the other end of three-way pipe (402).

6. The three-stage waste circuit board copper powder recycling and sorting mechanism according to claim 5, characterized in that, The agitation assembly (3) includes: No. 1 motor (301), fixedly installed on the outer surface of stirring bin (1); Support (303), fixedly installed on the inner surface of stirring bin (1); Rotating shaft (302), rotatably connected to the inside of support (303), and penetrating stirring bin (1); Rotating plate (304), fixedly installed on the end surface of rotating shaft (302).

7. The three-stage waste circuit board copper powder recycling and sorting mechanism according to claim 6, characterized in that, The output end of no. 1 motor (301) is fixedly connected with rotating shaft (302), and the side surface of rotating plate (304) and the lower end of fixed frame (204) are both fixedly installed with round rod (305), and connecting plate (306) is rotatably connected between two round rods (305).

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