Crushing device for circuit board recycling

Abstract

The utility model discloses a crushing device for circuit board recovery, which comprises a crushing box, a dust purification device is fixedly mounted at the top end of the crushing box, a circuit board crushing device is mounted in the upper part of the crushing box, and a powder conveying device is mounted in the lower part of the crushing box. By installing the dust purification device, when waste circuit boards enter the crushing box through the feeding plate, a large amount of dust is raised, the raised dust is sucked in through the suction fan, the dust can be filtered through the arranged filter screen, mixed dust particles are reduced, the filtered dust particles are collected in the collecting frame, and therefore the dust purification effect is improved. According to the circuit board crushing device, the dust can be regularly pumped out to be cleaned, so that air in the crushing box is relieved, a large amount of dust cannot be accompanied when discharged circuit board powder is discharged, recycling is facilitated, the surrounding air quality is improved, in addition, the filter screen can be pumped out to be replaced or cleaned, and the circuit board powder can be continuously conveyed out from the discharging pipe through conveying; and manual recovery is not needed.

Description

TECHNICAL FIELD

[0001] The utility model relates to circuit board recycling technical field, concretely is a kind of pulverizer for circuit board recycling. BACKGROUND

[0002] Since city is eliminated a large amount of circuit board waste every year, these waste can be changed into treasure by circuit board pulverizer, without secondary pollution.

[0003] The prior art discloses a patent document with the announcement number CN220160088U, and the technical solution thereof is as follows: a waste circuit board crushing and separating device belongs to the technical field of waste circuit board recycling, comprising a crushing cylinder, a first crushing assembly is arranged at the top of the crushing cylinder, a second crushing assembly is arranged below the first crushing assembly, a conical cylinder is connected to the inner side of the bottom of the crushing cylinder, a grinding cone is arranged in the conical cylinder, and a filter screen is arranged at the bottom of the conical cylinder.

[0004] The above technical solution directly puts the waste circuit board into the top of the crushing cylinder, and the dust accumulated on the waste circuit board is raised at the inlet, which affects the surrounding air. In addition, the crushed and ground circuit board powder is collected in the recycling box, and the recycling box needs to be poured from time to time when it is full, which increases the burden of circuit board crushing. UTILITY MODEL CONTENTS

[0005] The utility model aims to provide a kind of pulverizer for circuit board recycling to solve the problems raised in the above background.

[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of pulverizer for circuit board recycling, including crushing box, the dust purification device is fixedly installed at the top of the crushing box, the circuit board crushing device is installed in the upper part of the crushing box, and the powder conveying device is installed in the lower part of the crushing box.

[0007] The dust purification device includes an air outlet channel, which is arranged on the top side of the crushing box, and a dust suction cover is fixedly connected to the bottom side of the air outlet channel. A connecting box is fixedly installed on the outer wall of the other end of the air outlet channel.

[0008] The circuit board crushing device includes a mounting block, which is arranged in the upper part of the crushing box. A rolling screen is bolted to the bottom side of the mounting block. A crushing assembly is rotatably installed in the mounting block and the rolling screen.

[0009] The powder conveying device includes a conveying cylinder, which is arranged on the bottom side of the inside of the crushing box and extends to the outside through the crushing box. A feed hopper is fixedly connected to the left side inlet of the conveying cylinder, and the feed hopper is connected to the inner wall below the crushing box. An outlet pipe is arranged at the right end of the conveying cylinder.

[0010] As a further preferred embodiment of the present technical solution, the crushing box includes an upper box body, a lower box body is bolted to the bottom of the upper box body, a loading plate is fixedly connected to the right inlet of the upper box body, and a curtain is provided at the right inlet of the upper box body.

[0011] As a further preferred embodiment of the present technical solution, a suction fan is installed inside the left end of the connecting box, a discharge box is provided at the opening on the bottom side of the right end of the connecting box, a collection frame is slidably connected to the discharge box, and the front and rear inner walls on the top side of the right end of the connecting box are provided with T-shaped grooves, T-shaped plates are slidably connected to the T-shaped grooves, and a filter is provided between the front and rear T-shaped plates.

[0012] In the above technical solution, the dust raised is sucked in by the suction fan, and the provided filter can filter the dust to reduce the mixed dust particles.

[0013] As a further preferred embodiment of the present technical solution, the crushing assembly includes a crushing roller, which is arranged between the left and right mounting blocks and meshes with each other. The front ends of the crushing rollers are each provided with a gear set, and the gear sets are each located on the outer surface of the front side of the upper box body. A drive motor is installed at the rear end of one of the gear sets.

[0014] As a further preferred embodiment of the present technical solution, a grinding roller is rotatably connected to the inner wall of the upper box body and is located on the rolling net, and the grinding roller is connected to one of the gear sets through a conveyor belt.

[0015] In the above technical solution, the input waste circuit boards can be crushed first and then ground into powder.

[0016] As a further preferred embodiment of the present technical solution, a conveying shaft is rotatably connected in the conveying cylinder, a conveying motor is provided at the left end of the conveying shaft, and a spiral blade is provided on the outer wall of the conveying shaft.

[0017] In the above technical solution, the falling powder enters the conveying cylinder through the lower hopper and can be continuously conveyed out from the discharge pipe through conveying without manual recovery.

[0018] As a further preferred embodiment of the present technical solution, a magnet is slidably connected to the upper inner wall of the lower box, and the magnet is supported on the conveying cylinder.

[0019] In the above technical solution, the metal in the powder can be sucked up by the attraction of the magnet, and the metal can be recovered later by pulling out the magnet.

[0020] The utility model provides a crushing device for recycling circuit boards, which has the following beneficial effects:

[0021] (1) The utility model installs a dust purification device. When the waste circuit boards pass through the loading plate and enter the crushing box, a large amount of dust is raised. The raised dust is sucked in by the suction fan. The filter net provided can filter the dust and reduce the mixed dust particles. The filtered dust particles are collected in the collection frame and can be regularly extracted for cleaning, thereby relieving the air inside the crushing box. When the unloaded circuit board powder is discharged, it will not be accompanied by a large amount of dust, which is convenient for recycling and improving the surrounding air quality. In addition, the filter net can be extracted for replacement or cleaning.

[0022] (2) The utility model uses a circuit board crushing device to first crush the input waste circuit boards and then grind them into powder. The falling powder enters the conveying cylinder through the lower hopper and can be continuously conveyed out from the discharge pipe through transportation without manual recovery. A magnet is set at the position where the powder falls, and the metal in the powder can be sucked up by the attraction of the magnet. The metal can be recovered later by pulling out the magnet. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0024] Figure 2 It is a schematic diagram of the internal structure of the utility model;

[0025] Figure 3 This is a schematic diagram of the structure of the utility model;

[0026] Figure 4 This is a schematic diagram of the structure of the dust purification device of the utility model;

[0027] Figure 5 It is an enlarged view of Figure A of the present utility model;

[0028] In the figure: 1. Crushing box; 2. Dust purification device; 3. Circuit board crushing device; 4. Powder conveying device; 11. Upper box body; 12. Lower box body; 13. Loading plate; 14. Cloth curtain; 15. Magnet; 21. Air outlet duct; 22. Dust hood; 23. Connecting box; 231. Suction fan; 232. Discharge box; 233. Collection frame; 234. T-shaped chute; 235. T-shaped plate; 236. Filter; 31. Mounting block; 32. Rolling net; 33. Crushing assembly; 331. Crushing roller; 332. Gear set; 333. Grinding roller; 41. Conveying cylinder; 42. Discharge hopper; 43. Discharge pipe; 411. Conveying motor; 412. Conveying shaft; 413. Spiral blade. DETAILED DESCRIPTION

[0029] The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to the accompanying drawings in the embodiments of the present invention.

[0030] The utility model provides a technical solution: Figure 1 As shown, in this embodiment, a crushing device for recycling circuit boards includes a crushing box 1, a dust purification device 2 is fixedly installed on the top of the crushing box 1, a circuit board crushing device 3 is installed inside the upper part of the crushing box 1, and a powder conveying device 4 is installed inside the lower part of the crushing box 1. The crushing box 1 includes an upper box body 11, a lower box body 12 is bolted to the lower part of the upper box body 11, a loading plate 13 is fixedly connected to the right inlet of the upper box body 11, and a curtain 14 is provided at the right inlet of the upper box body 11.

[0031] like Figure 4 and Figure 5 As shown, the dust purification device 2 includes an air outlet channel 21, which is arranged on the top side of the crushing box 1, and a dust hood 22 is fixedly connected to the bottom side of the air outlet channel 21. A connecting box 23 is fixedly installed on the outer wall of the other end of the air outlet channel 21. A suction fan 231 is installed inside the left end of the connecting box 23, and a discharge box 232 is provided at the opening on the bottom side of the right end of the connecting box 23. A collection frame 233 is slidably connected to the discharge box 232. The front and rear inner walls of the top side of the right end of the connecting box 23 are both provided with T-shaped slides 234, and T-shaped plates 235 are slidably connected in the T-shaped slides 234. There is a T-shaped plate 235 between the front and rear T-plates 235. A filter 236 is provided. By installing a dust purification device 2, a large amount of dust is raised when the waste circuit board passes through the loading plate 13 and enters the crushing box 1. The raised dust is sucked in by the suction fan 231. The filter 236 provided can filter the dust and reduce the mixed dust particles. The filtered dust particles are collected in the collection frame 233 and can be regularly extracted for cleaning, thereby alleviating the air inside the crushing box, so that the unloaded circuit board powder will not be accompanied by a large amount of dust when discharged, which is convenient for recycling and improving the surrounding air quality. In addition, the filter 236 can be extracted for replacement or cleaning.

[0032] like Figure 2 and Figure 3 As shown, the circuit board crushing device 3 includes a mounting block 31, which is arranged above the crushing box 1. A rolling net 32 ​​is bolted to the bottom side of the mounting block 31. A crushing assembly 33 is rotatably installed in the mounting block 31 and the rolling net 32. The crushing assembly 33 includes a crushing roller 331. The crushing roller 331 is arranged between the left and right mounting blocks 31 and meshes with each other. The front ends of the crushing rollers 331 are each provided with a gear set 332, and the gear sets 332 are each located on the front outer surface of the upper box body 11. A driving motor is installed at the rear end of a gear set 332. A grinding roller 333 is rotatably connected to the inner wall of the upper box body 11 and located on the rolling net 32. The grinding roller 333 is connected to one of the gear sets 332 through a conveyor belt. The waste circuit boards input are first crushed and then ground into powder through the circuit board crushing device 3.

[0033] like Figure 3As shown, the powder conveying device 4 includes a conveying cylinder 41, which is arranged at the bottom side of the crushing box 1 and extends to the outside through the crushing box 1. A lower hopper 42 is fixedly connected to the left side of the conveying cylinder 41 at the feeding port, and the lower hopper 42 is connected to the inner wall of the lower part of the crushing box 1. A discharge pipe 43 is provided at the right end of the conveying cylinder 41, and a conveying shaft 412 is rotatably connected in the conveying cylinder 41. A conveying motor 411 is provided at the left end of the conveying shaft 412, and a spiral blade 413 is provided on the outer wall of the conveying shaft 412. The magnet 15 is slidably connected to the inner wall of the lower box body 12 at the top, and the magnet 15 is supported on the conveying cylinder 41. The falling powder enters the conveying cylinder 41 through the lower hopper 42 and can be continuously conveyed out from the discharge pipe 43 through conveying without manual recovery. A magnet 15 is provided at the position where the powder falls. The metal in the powder can be sucked up by the attraction of the magnet 15, and the metal can be recovered later by pulling out the magnet 15.

[0034] The utility model provides a crushing device for recycling circuit boards, and its specific working principle is as follows: waste circuit boards are fed into a crushing box 1 through a feeding plate 13, and a driving motor is started to drive a gear set 332 and a crushing roller 331 to rotate, thereby crushing the waste circuit boards. At the same time, a conveyor belt drives a grinding roller 333 to rotate, and the grinding is performed until the waste circuit boards fall from a crushing net 32. The powder enters a conveying cylinder 41 through a lower hopper 42, and a magnet 15 is provided to magnetically attract metals mixed in the powder. The metals on the powders can be subsequently recovered by extraction, and a conveying motor 411 can be started to drive a conveying shaft 412 and a spiral blade 413 to rotate, thereby continuously discharging the powder from a discharge pipe 43.

[0035] When the waste circuit boards are put into the crushing box 1, the dust on the surface is raised, and the suction fan 231 can be started to suck the dust in, and the dust is filtered through the filter 236. The filtered dust particles fall into the collection frame 233 and can be removed for cleaning. In addition, the filter 236 can also be removed to be replaced or cleaned.

[0036] 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 crushing device for recycling circuit boards, comprising a crushing box (1), characterized in that: A dust purification device (2) is fixedly installed on the top of the crushing box (1), a circuit board crushing device (3) is installed inside the upper part of the crushing box (1), and a powder conveying device (4) is installed inside the lower part of the crushing box (1); The dust purification device (2) comprises an air outlet channel (21), the air outlet channel (21) being arranged on the top side of the crushing box (1), a dust collecting hood (22) being fixedly connected to the bottom side of the air outlet channel (21), and a connection box (23) being fixedly mounted on the outer wall of the other end of the air outlet channel (21); The crushing box (1) comprises an upper box body (11), a lower box body (12) is bolted to the lower side of the upper box body (11), a loading plate (13) is fixedly connected to the right inlet of the upper box body (11), and a curtain (14) is provided at the right inlet of the upper box body (11); The lower box (12) is slidably connected to the inner wall above with a magnet (15), and the magnet (15) is supported on the conveying cylinder (41); A suction fan (231) is installed inside the left end of the connection box (23), a discharge box (232) is provided at the opening on the bottom side of the right end of the connection box (23), a collection frame (233) is slidably connected inside the discharge box (232), and a T-shaped chute (234) is provided on the front and rear inner walls of the top side of the right end of the connection box (23), a T-shaped plate (235) is slidably connected inside the T-shaped chute (234), and a filter screen (236) is provided between the front and rear T-shaped plates (235); The circuit board crushing device (3) comprises a mounting block (31), the mounting block (31) being arranged inside the upper part of the crushing box (1), a rolling net (32) being bolted to the bottom side of the mounting block (31), and a crushing assembly (33) being rotatably mounted inside the mounting block (31) and the rolling net (32); The powder conveying device (4) includes a conveying cylinder (41), which is arranged at the bottom side of the crushing box (1) and extends to the outside through the crushing box (1). A lower hopper (42) is fixedly connected to the left feed opening of the conveying cylinder (41), and the lower hopper (42) is connected to the lower inner wall of the crushing box (1). A discharge pipe (43) is provided at the right end of the conveying cylinder (41).

2. The circuit board recycling crushing device according to claim 1, characterized in that: The pulverizing assembly (33) includes a pulverizing roller (331), which is arranged between the left and right mounting blocks (31) and meshes with each other. The front ends of the pulverizing rollers (331) are each provided with a gear set (332), and the gear sets (332) are each located on the front outer surface of the upper box body (11). A driving motor is installed at the rear end of one of the gear sets (332).

3. The circuit board recycling crushing device according to claim 1, characterized in that: A grinding roller (333) is rotatably connected to the inner wall of the upper box (11) and is located on the rolling net (32). The grinding roller (333) is connected to one of the gear sets (332) via a conveyor belt.

4. The circuit board recycling crushing device according to claim 1, characterized in that: A conveying shaft (412) is rotatably connected inside the conveying cylinder (41), a conveying motor (411) is provided at the left end of the conveying shaft (412), and a spiral blade (413) is provided on the outer wall of the conveying shaft (412).

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