PCB copper powder recovery system

Abstract

The utility model relates to the technical field of PCB processing and recycling, and discloses a PCB copper powder recycling system which comprises a box body, a supporting assembly is fixedly connected to the left side of the bottom of the box body, a collecting box is fixedly connected to the left side of the supporting assembly, a water outlet assembly is arranged on the left side of the box body, clamping grooves are formed in the front side and the rear side of the top of the collecting box, and a water outlet assembly is arranged on the left side of the collecting box. Clamping blocks are slidably connected into the clamping grooves, a collecting box is fixedly connected to the sides, close to each other, of the two clamping blocks, a sliding groove is formed in the left side of the collecting box, an external ring is slidably connected into the sliding groove, a filtering plate is arranged in the external ring, and a pulling block is fixedly connected to the left side of the external ring; a limiting groove is formed in the top of the pulling block, and two sliding rods are slidably connected to the top of the mounting block. According to the copper powder filtering device, the collecting box and the filtering plate are used, so that copper powder can be effectively filtered, and the filtering plate can be quickly replaced.

Description

Technical Field

[0001] The utility model relates to the technical field of PCB board processing and recycling, in particular to a copper powder recovery system for PCB boards. Background Art

[0002] A printed circuit board (PCB board), also known as a printed wiring board, is a provider of electrical connections for electronic components. In the production process of PCB boards, copper is the most important metal element in the circuit board and is also the most important raw material and consumable for the circuit board. With the continuous improvement of social living standards, the consumption of electronic products is increasing, and the replacement rate and elimination rate of electronic products are also rising. Processing the PCB boards in these waste electrical appliances, reducing environmental pollution and resource recycling have become a global issue. Especially for the copper metal in PCB boards, if it is not recycled, it will cause waste of resources and environmental pollution. Currently, most of the copper powder recovery from PCB boards is achieved by crushing the PCB boards, soaking them in chemical solutions for reduction, and then filtering the dissolved copper powder.

[0003] After retrieval, a copper powder recovery system for PCB boards in the technical field of PCB board processing and recycling with the publication number of CN211191017U includes a cyclone separator and a bag filter connected by an exhaust pipe. The exhaust pipe includes a first exhaust pipe and a second exhaust pipe connected to the first exhaust pipe. The first exhaust pipe is connected to the cyclone separator, and the second exhaust pipe is connected to the bag filter. The angle between the axis of the first exhaust pipe and the axis of the second exhaust pipe is less than 180 degrees; a receiving box for receiving dust is connected to the connection between the first exhaust pipe and the second exhaust pipe, and a guiding part for guiding the dust to the receiving box is connected to the connection between the first exhaust pipe and the second exhaust pipe. The receiving box is provided with a discharge pipe, and the end of the discharge pipe away from the receiving box is connected to a separation device for separating copper particles. The utility model can collect the dust in the gas discharged from the cyclone separator, further separate and recover the copper particles in the dust, and reduce the waste of copper particles.

[0004] Regarding the statement in the above patent that "the receiving box is provided with a discharge pipe, and the end of the discharge pipe away from the receiving box is connected to a separation device for separating copper particles. The utility model can collect the dust in the gas discharged from the cyclone separator, further separate and recover the copper particles in the dust, and reduce the waste of copper particles", although the above patent can recover copper powder, in the specific use process, the recovery is not thorough enough, and it is impossible to filter and collect the copper powder generated after dissolving the PCB board. Therefore, in view of the above problems, a copper powder recovery system for PCB boards is proposed. Content of the Utility Model

[0005] The purpose of the present utility model is to solve the deficiencies existing in the prior art, and a copper powder recovery system for PCB boards is proposed, aiming to improve the problems in the prior art that the copper powder cannot be effectively filtered, the filter paper cannot be quickly replaced, and the PCB boards cannot be broken to fully react.

[0006] To achieve the above object, the present utility model provides the following technical solution: A copper powder recovery system for PCB boards, including a box body, a support assembly is fixedly connected to the left side of the bottom of the box body, a collection box is fixedly connected to the left side of the support assembly, a water outlet assembly is arranged on the left side of the box body, clamping grooves are respectively opened on the front and rear sides of the top of the collection box, a clamping block is slidably connected inside the clamping groove, a collection box is fixedly connected to the adjacent side of the two clamping blocks, a sliding groove is opened on the left side of the collection box, an external ring is slidably connected inside the sliding groove, a filter plate is arranged inside the external ring, a pulling block is fixedly connected to the left side of the external ring, a limiting groove is opened on the top of the pulling block, an installation block is fixedly connected to the left side of the collection box, two sliding rods are slidably connected to the top of the installation block, a spring is sleeved outside the sliding rods, and a limiting block is fixedly connected to the bottom of the two sliding rods.

[0007] Further, the support assembly includes two first support columns, the tops of the two first support columns are fixedly connected to the bottom of the box body, the left sides of the two first support columns are fixedly connected to fixed columns, and the tops of the two fixed columns are fixedly connected to the bottom of the collection box.

[0008] Further, the water outlet assembly includes a connection port, the right side of the connection port is fixedly connected to the left side of the box body, and a baffle is slidably connected to the top of the connection port.

[0009] Further, a feeding part is fixedly connected inside the box body, a fixing plate is fixedly connected to the right side of the box body, a motor is fixedly connected to the top of the fixing plate, a first rotating rod is fixedly connected to the driving end of the motor, a plurality of first cutting blades are fixedly connected to the outside of the first rotating rod, a first gear is fixedly connected to the left side of the first rotating rod, a second rotating rod is rotatably connected inside the box body, a second gear is fixedly connected to the left side of the second rotating rod, the first gear and the second gear are meshed with each other, and a plurality of second cutting blades are fixedly connected to the outside of the second rotating rod.

[0010] Further, a first water inlet valve is fixedly connected to the right side of the box body, a second water inlet valve is fixedly connected to the outside of the right side of the box body, and two second support columns are fixedly connected to the top right side of the box body.

[0011] Further, the outside of the external ring is slidably connected inside the collection box, and the outside of the filter plate is slidably connected inside the sliding groove.

[0012] Further, one side of the spring is fixedly connected to the bottom of the mounting block, and the other side of the spring is fixedly connected to the bottom of the limiting block.

[0013] Further, the outside of the limiting block is in contact with the inside of the pulling block, and the outside of the limiting block is slidably connected to the inside of the limiting groove.

[0014] The utility model has the following beneficial effects:

[0015] 1. In the utility model, through the combined use of structures such as a collection box, a card slot, a card block, a collection box, a sliding groove, an external ring, a filter plate, a pulling block, a limiting groove, a mounting block, a sliding rod, a spring, and a limiting block, through the use of the collection box and the filter plate, the copper powder can be effectively filtered and the filter plate can be quickly replaced.

[0016] 2. In the utility model, through the combined use of structures such as a first rotating rod, a first cutting piece, a first gear, a second rotating rod, a second gear, a second cutting piece, a first water inlet valve, a second water inlet valve, and a second support column, the PCB board can be broken by the cooperation of the first cutting piece and the second cutting piece so as to fully react. Description of the Drawings

[0017] Figure 1 is a three-dimensional view of a PCB board copper powder recovery system proposed by the utility model;

[0018] Figure 2 is a schematic structural view of the pulling block of a PCB board copper powder recovery system proposed by the utility model;

[0019] Figure 3 is a schematic structural view of the sliding rod of a PCB board copper powder recovery system proposed by the utility model;

[0020] Figure 4 is a schematic structural view of the fixing plate of a PCB board copper powder recovery system proposed by the utility model.

[0021] Legend Explanation:

[0022] 1. Box body; 2. First support column; 3. Fixed column; 4. Collection box; 5. Connection port; 6. Baffle; 7. Card slot; 8. Card block; 9. Collection box; 10. Sliding groove; 11. External ring; 12. Filter plate; 13. Pulling block; 14. Limiting groove; 15. Mounting block; 16. Sliding rod; 17. Spring; 18. Limiting block; 19. Feeding; 20. Fixing plate; 21. Motor; 22. First rotating rod; 23. First cutting piece; 24. First gear; 25. Second rotating rod; 26. Second gear; 27. Second cutting piece; 28. First water inlet valve; 29. Second water inlet valve; 30. Second support column. Detailed Embodiments

[0023] The technical solutions in the embodiments of the present utility model will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0024] Referring to Figure 1-2 As shown, an embodiment provided by the present utility model: a copper powder recovery system for a PCB board, including a box body 1. The box body 1 is the main body of the device. A support assembly is fixedly connected to the left side of the bottom of the box body 1. The support assembly includes two first support columns 2. The first support columns 2 are used to cooperate with the second support columns 30 to support the bottom of the box body 1. The tops of the two first support columns 2 are fixedly connected to the bottom of the box body 1. Fixed columns 3 are fixedly connected to the left sides of the two first support columns 2. The fixed columns 3 are used to connect and support the first support columns 2 and the collection box 4. The tops of the two fixed columns 3 are fixedly connected to the bottom of the collection box 4. The collection box 4 is used to filter copper powder. A collection box 4 is fixedly connected to the left side of the support assembly. A water outlet assembly is arranged on the left side of the box body 1. The water outlet assembly includes a connection port 5. The connection port 5 is used to allow the broken PCB board mixture after the reaction to flow out. The right side of the connection port 5 is fixedly connected to the left side of the box body 1. A baffle 6 is slidably connected to the top of the connection port 5. The baffle 6 is used to close the connection port 5. Card slots 7 are opened on the front and rear sides of the top of the collection box 4.

[0025] The card slots 7 are used to place the card blocks 8. A card block 8 is slidably connected to the inside of the card slot 7. The card block 8 is used to connect the collection box 9. The collection box 9 is used to filter the broken PCB boards. A sliding groove 10 is opened on the left side of the collection box 4. The sliding groove 10 is used to allow the external ring 11 to cooperate with the filter plate 12 to slide. An external ring 11 is slidably connected to the inside of the sliding groove 10. The external ring 11 is used to limit the filter plate 12. The outside of the external ring 11 is slidably connected to the inside of the collection box 4.

[0026] Referring to Figure 3As shown, the outside of the filter plate 12 is slidably connected to the inside of the chute 10. The filter plate 12 is arranged inside the outer ring 11. The filter plate 12 is used to filter copper powder. A pulling block 13 is fixedly connected to the left side of the outer ring 11. The pulling block 13 is used to connect the outer ring 11. A limiting groove 14 is formed at the top of the pulling block 13. The limiting groove 14 is used to engage with the limiting block 18. An installation block 15 is fixedly connected to the left side of the collection box 4. The installation block 15 is used to limit the sliding rod 16. Two sliding rods 16 are slidably connected to the top of the installation block 15. The sliding rods 16 are used to prevent the spring 17 from deforming. A spring 17 is sleeved on the outside of the sliding rods 16. The spring 17 is used to push the limiting block 18. One side of the spring 17 is fixedly connected to the bottom of the installation block 15, and the other side of the spring 17 is fixedly connected to the bottom of the limiting block 18. The bottoms of the two sliding rods 16 are fixedly connected with the limiting block 18. The outside of the limiting block 18 is in contact with the inside of the pulling block 13. The outside of the limiting block 18 is slidably connected to the inside of the limiting groove 14.

[0027] Refer to Figure 4 As shown, a blanking part 19 is fixedly connected to the inside of the box body 1. The blanking part 19 is used to centrally place the PCB board. A fixing plate 20 is fixedly connected to the right side of the box body 1. The fixing plate 20 is used to fix the motor 21. A motor 21 is fixedly connected to the top of the fixing plate 20. The motor 21 is used to drive the first rotating rod 22 to rotate. The driving end of the motor 21 is fixedly connected to the first rotating rod 22. The first rotating rod 22 is used to connect the first cutting piece 23 and the first gear 24. A plurality of first cutting pieces 23 are fixedly connected to the outside of the first rotating rod 22. The first cutting pieces 23 are used to cooperate with the second cutting pieces 27 to break the PCB board. The first gear 24 is fixedly connected to the left side of the first rotating rod 22. The first gear 24 and the second gear 26 are meshed. The second rotating rod 25 is rotatably connected to the inside of the box body 1. The second rotating rod 25 is used to connect the second gear 26 and the second cutting pieces 27. The second gear 26 is fixedly connected to the left side of the second rotating rod 25. A plurality of second cutting pieces 27 are fixedly connected to the outside of the second rotating rod 25. A first water inlet valve 28 is fixedly connected to the right side of the box body 1. The first water inlet valve 28 is used to convey reaction substances. A second water inlet valve 29 is fixedly connected to the outside of the right side of the box body 1. The second water inlet valve 29 is used to convey water. Two second support columns 30 are fixedly connected to the top right side of the box body 1.

[0028] Working principle: When recycling the copper powder on the PCB board, first put the PCB board into the interior of the box body 1 for crushing, and then inject the copper-dissolving agent into the interior of the box body 1 through the first water inlet valve 28. After sufficient reaction, inject water into the interior of the box body 1 through the second water inlet valve 29. At the same time, pull up the baffle 6 to open the connection port 5, so that the crushed PCB board mixture inside the box body 1 flows out. Then the crushed PCB board will be filtered by the collection box 9, and then the reacted copper powder mixture will flow on top of the filter plate 12. Then, through the filter plate 12, the copper powder is filtered on top of it, and the water flows into the interior of the collection box 4. When it is necessary to collect the copper powder on top of the filter plate 12, only need to pull up the limit block 18, so that the limit block 18 slides on the outside of the mounting block 15 in cooperation with the sliding rod 16, and then pull the pulling block 13, so that the pulling block 13 cooperates with the external ring 11 to pull out the filter plate 12, so as to collect the copper powder on top of the filter plate 12. Then, when crushing the PCB board, only need to start the motor 21, so that the motor 21 drives the first rotating rod 22 to rotate in cooperation with the first cutting piece 23. When the first rotating rod 22 rotates, it synchronously drives the second gear 26 to rotate, so that the second rotating rod 25 rotates in cooperation with the second cutting piece 27. Then put the PCB board into the feeding port 19 fixedly connected to the top of the box body 1, so that the PCB board is crushed by the first cutting piece 23 and the second cutting piece 27.

[0029] Finally, it should be noted that the above are only the preferred embodiments of the present invention and are not used to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A PCB copper powder recovery system, comprising a housing (1), characterized in that: The left side of the bottom of the box body (1) is fixedly connected to a support assembly, the left side of the support assembly is fixedly connected to a collection box (4), the left side of the box body (1) is provided with a water outlet assembly, the front and rear sides of the top of the collection box (4) are provided with a card slot (7), the interior of the card slot (7) is slidably connected to a card block (8), the adjacent sides of the two card blocks (8) are fixedly connected to a collection box (9), the left side of the collection box (4) is provided with a slide groove (10), the interior of the slide groove (10) is slidably connected to an external ring (11), a filter plate (12) is arranged inside the external ring (11), a pulling block (13) is fixedly connected to the left side of the external ring (11), a limiting groove (14) is provided on the top of the pulling block (13), a mounting block (15) is fixedly connected to the left side of the collecting box (4), the top of the mounting block (15) is slidably connected to two sliding rods (16), the outer sleeve of the sliding rod (16) is provided with a spring (17), and the bottoms of the two sliding rods (16) are fixedly connected to the limiting blocks (18).

2. A PCB copper powder recovery system according to claim 1, characterized in that: The support assembly comprises two support columns (2), the tops of the two support columns (2) are fixedly connected to the bottom of the box body (1), the left sides of the two support columns (2) are fixedly connected to fixed columns (3), and the tops of the two fixed columns (3) are fixedly connected to the bottom of the collection box (4).

3. A PCB copper powder recovery system according to claim 1, characterized in that: The water outlet assembly comprises a connection port (5), the right side of the connection port (5) is fixedly connected to the left side of the box body (1), and the top of the connection port (5) is slidably connected to a baffle (6).

4. A PCB copper powder recovery system according to claim 1, characterized in that: The box body (1) is fixedly connected with a feeder (19) inside, the right side of the box body (1) is fixedly connected with a fixing plate (20), the top of the fixing plate (20) is fixedly connected with a motor (21), the driving end of the motor (21) is fixedly connected with a rotating rod (22), the outside of the rotating rod (22) is fixedly connected with a plurality of cutting blades (23), the left side of the rotating rod (22) is fixedly connected with a gear (24), the inside of the box body (1) is rotatably connected with a rotating rod (25), the left side of the rotating rod (25) is fixedly connected with a gear (26), the gear (24) and the gear (26) are meshingly connected, and the outside of the rotating rod (25) is fixedly connected with a plurality of cutting blades (27).

5. A PCB copper powder recovery system according to claim 1, characterized in that: A water inlet valve 1 (28) is fixedly connected to the right side of the box body (1), a water inlet valve 2 (29) is fixedly connected to the right outside of the box body (1), and two support columns 2 (30) are fixedly connected to the right side of the top of the box body (1).

6. A PCB copper powder recovery system according to claim 1, characterized in that: The outside of the external ring (11) is slidably connected to the inside of the collecting box (4), and the outside of the filter plate (12) is slidably connected to the inside of the sliding groove (10).

7. A PCB copper powder recovery system according to claim 1, characterized in that: One side of the spring (17) is fixedly connected to the bottom of the mounting block (15), and the other side of the spring (17) is fixedly connected to the bottom of the limiting block (18).

8. A PCB copper powder recovery system according to claim 1, characterized in that: The outside of the limiting block (18) contacts the inside of the pulling block (13), and the outside of the limiting block (18) is slidably connected to the inside of the limiting groove (14).

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