CN117380371A - High-efficiency dust removing device - Google Patents

Abstract

The invention discloses a high-efficiency dust removing device which comprises a base, wherein a treatment box is fixed above the base, two ends of the upper inner side of a blanking cavity are rotatably connected with hollow crushing rollers, a hollow sleeve penetrates through the hollow crushing rollers, a vertical plate is fixed on the side wall of the treatment box, and a lifting assembly is arranged on the side wall of the vertical plate. This high efficiency dust collector is provided with dust absorption hole and cavity sleeve, when using, accessible driving motor drives the second belt pulley and rotates to drive first belt pulley and cavity sleeve through the belt and rotate, can make the cavity sleeve drive cavity crushing roller and rotate and break the circuit board, simultaneously, run through cavity sleeve to the inside first dust absorption pipe of cavity crushing roller can produce the suction, can inhale the dust collection box with the dust absorption mouth department on the surface of cavity crushing roller when the circuit board is broken, multiunit dust absorption mouth is along with the rotation of cavity crushing roller can effectually adsorb the dust that produces in the crushing process, and the adsorption effect is better.

Description

A high-efficiency dust removal device

Technical field

The invention relates to the technical field related to circuit board recycling, specifically a high-efficiency dust removal device.

Background technique

With the rapid advancement of technology, there are more and more electronic wastes. Circuit boards contain many rare metals such as copper, gold, silver, lead, tin, etc. Circuit board recycling refers to the dismantling and recycling of waste household appliances, waste computers, etc. Various types of waste electronic products with circuit boards are extracted to achieve the purpose of metal recycling and reuse. Waste circuit board recycling can completely dissociate and recover effective resources without causing environmental pollution and reducing environmental pollution. , circuit board recycling equipment can make the recovery rate of raw materials higher, save labor costs, and bring good economic benefits to enterprises. Since waste circuit boards need to be crushed after recycling, and large amounts of dust will be generated during the crushing process, Existing circuit board crushing equipment usually has a dust removal device inside it to absorb dust after crushing, thereby facilitating subsequent processing of circuit board fragments. However, the smoke inlet of the existing dust removal device is usually fixed. Due to the inner wall of the crushing equipment, this results in the inability to achieve a good adsorption effect on dust in remote locations, and the dust suction effect is limited. Moreover, since the existing dust suction devices are usually installed inside the crushing equipment, during crushing Part of the dust will pour out from the top of the crushing equipment, and the adsorption range for smoke and dust is limited, so the dust removal effect is low.

Contents of the invention

The purpose of the present invention is to provide a high-efficiency dust removal device to solve the problem that the existing dust removal device proposed in the above-mentioned background technology cannot achieve good adsorption effect on dust in remote locations, and has a limited adsorption range for smoke and dust. The problem of lower efficiency.

In order to achieve the above objects, the present invention provides the following technical solution: a high-efficiency dust removal device, including a base,

A processing box is fixed above the base, and a crushing chamber and a blanking chamber are respectively provided at both ends of the processing box. Hollow crushing rollers are rotatably connected to the upper and inner ends of the blanking chamber, and the sides of the blanking chamber are rotatably connected. Hollow sleeves are provided at both ends above the wall. The hollow sleeves penetrate through the hollow crushing roller. A first pulley is provided on the outside of the hollow sleeve. A first dust suction pipe is provided inside the hollow sleeve, and a first pulley is provided on the outside of the hollow sleeve. A dust suction pipe runs through the hollow crushing roller. The first dust suction pipe is connected to a fan, and the fan is arranged on the top of the dust collecting box. The dust collecting box is arranged above the base, and the inside of the crushing cavity is arranged below. There is a screening assembly, and there are gaps on the outside of the crushing chamber and the blanking chamber. A vertical plate is fixed on the side wall of the treatment box, and a lifting assembly is provided on the side wall of the vertical plate. A movable assembly is provided above the treatment box. The bottom of the movable plate is provided with a dust suction hood, and the dust suction hood is connected to the fan through a second dust suction pipe.

Preferably, a plurality of sets of crushing teeth are provided on the outside of the hollow crushing roller, a support frame is provided on the inside of the hollow crushing roller, and a plurality of sets of dust suction holes are provided on the surface of the hollow crushing roller.

By adopting the above technical solution, the inside of the hollow crushing roller can be supported by the support frame to avoid its deformation. At the same time, the dust suction port on the outside of the hollow crushing roller can absorb dust during crushing. The adsorption range is large and the adsorption effect is good.

Preferably, a driving motor is fixed at both upper ends of the base, and the output end of the driving motor is connected to a second pulley, and the second pulley is connected to the first pulley through a belt.

By adopting the above technical solution, the drive motor can be used to drive the second pulley to rotate, causing the first pulley and the hollow sleeve to rotate through the belt, so that the hollow sleeve drives the hollow crushing roller to rotate to crush the circuit board.

Preferably, the inner wall of the hollow sleeve is provided with multiple sets of balls, and the balls are in contact with the first suction pipe.

By adopting the above technical solution, when the hollow crushing roller rotates, the first suction pipe will cause the suction holes on the outer surface of the hollow crushing roller to generate suction so that dust can be sucked into the dust collecting box. At the same time, when the hollow sleeve rotates, its inner wall The ball can avoid wear on the first vacuum tube, thereby increasing its service life.

Preferably, the screening assembly includes a spring seat, a sieve plate and a vibrator. The spring seat is installed at both ends of the inner wall of the crushing chamber, and a sieve plate is provided above the spring seat. The sieve plate is inclined, and the screen A vibration machine is provided at the bottom of the board.

By adopting the above technical solution, the crushed circuit boards can be screened through the screening assembly, so that larger fragments can be re-crushed.

Preferably, the crushing cavity and the blanking cavity are connected, and the bottoms of the crushing cavity and the blanking cavity are respectively provided with a first collection box and a second collection box.

By adopting the above technical solution, smaller fragments and larger fragments can be collected separately after the circuit board is broken.

Preferably, the lifting assembly includes a lifting motor, a screw rod and a movable block. The lifting motor is arranged on the top of the vertical plate, and a groove is provided on the side wall of the vertical plate. The output end of the lifting motor is in contact with the screw rod. connection, and the screw rod is arranged inside the groove, the screw rod is threadedly connected with a movable block, and one end of the movable block is slidingly connected to the groove, and the other end of the groove is connected to the movable plate.

By adopting the above technical solution, the height position of the vacuum hood can be adjusted through the lifting assembly, thereby facilitating the feeding of waste circuit boards.

Preferably, an infrared sensor is provided at the bottom of the movable plate, and the infrared sensor is electrically connected to the controller. The controller is arranged outside the processing box, and the controller is electrically connected to the loading pedal. The loading pedal The pedal is arranged above the base.

By adopting the above technical solution, detection can be carried out through infrared sensors to avoid safety accidents.

Compared with the existing technology, the beneficial effects of the present invention are: the high-efficiency dust removal device,

(1) There is a dust suction hole and a hollow sleeve. When in use, the drive motor can drive the second pulley to rotate, and the belt can drive the first pulley and the hollow sleeve to rotate, so that the hollow sleeve drives the hollow crushing roller. Rotating to crush the circuit board, at the same time, the first suction pipe that runs through the hollow sleeve to the inside of the hollow crushing roller can generate suction, which can suck the dust from the suction port on the surface of the hollow crushing roller while the circuit board is broken. In the dust box, multiple sets of dust suction ports can effectively absorb dust generated during the crushing process with the rotation of the hollow crushing roller, and the adsorption effect is better;

(2) A screw rod and a dust collection cover are provided. When the circuit board is broken, the dust collection cover above the processing box can be used to generate suction through the second vacuum pipe, so as to remove the dust that emerges from the processing box during the crushing process. It is sucked into the dust collection box to increase the adsorption range of dust. At the same time, the electrical signal can be transmitted to the controller by stepping on the loading pedal, so that the controller can turn on the lifting motor to drive the screw rod to rotate, so that the screw rod drives the movable block and the movable The height of the plate and vacuum hood is increased to facilitate staff feeding and improve convenience during use;

(3) There are springs and sieve plates. After the circuit board is broken, the fragments will fall to the top of the sieve plate. Vibration can be generated by the vibrator at the bottom of the sieve plate, and the vibration amplitude can be increased by the spring, so that the size of the broken pieces can be determined. Different fragments are screened so that incompletely broken circuit boards can be re-crushed to improve the crushing effect.

Description of the drawings

Figure 1 is a schematic front view of the structure of the present invention;

Figure 2 is a schematic cross-sectional structural diagram of the processing box of the present invention;

Figure 3 is a schematic cross-sectional structural diagram of the hollow crushing roller of the present invention;

Figure 4 is a schematic structural view from above of the treatment box and hollow crushing roller of the present invention;

Figure 5 is a schematic structural diagram of the hollow sleeve of the present invention;

Figure 6 is a schematic rear structural view of the processing box of the present invention.

In the picture: 1. Base, 2. Processing box, 3. Crushing chamber, 4. Blanking chamber, 5. Hollow crushing roller, 6. Crushing teeth, 7. Support frame, 8. Vacuum hole, 9. Hollow sleeve , 10. The first pulley, 11. Drive motor, 12. The second pulley, 13. Balls, 14. The first vacuum pipe, 15. Fan, 16. Dust collection box, 17. Spring seat, 18. Screen plate, 19. Vibration machine, 20. First collection box, 21. Second collection box, 22. Vertical plate, 23. Lift motor, 24. Screw, 25. Movable block, 26. Movable plate, 27. Vacuum cover, 28. Second vacuum pipe, 29. Infrared sensor, 30. Controller, 31. Loading pedal.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts fall within the scope of protection of the present invention.

Please refer to Figures 1-6. The present invention provides a technical solution: a high-efficiency dust removal device. As shown in Figures 1, 4 and 6, a processing box 2 is fixed above the base 1, and the inside of the processing box 2 A crushing chamber 3 and a blanking chamber 4 are respectively provided at both ends. Hollow crushing rollers 5 are rotatably connected to the upper and inner ends of the blanking chamber 4, and hollow sleeves 9 are provided at both ends above the side walls of the blanking chamber 4. The hollow sleeve 9 penetrates the hollow crushing roller 5, and a first pulley 10 is provided on the outside of the hollow sleeve 9. A driving motor 11 is fixed at both ends above the base 1, and the output end of the driving motor 11 is connected to the second pulley 12. , the second pulley 12 is connected to the first pulley 10 through a belt. When in use, the drive motor 11 can be turned on to drive the second pulley 12 to rotate, so that the second pulley 12 drives the first pulley 10 and the hollow sleeve 9 to rotate through the belt. , that is, the hollow sleeve 9 can drive the hollow crushing roller 5 inside the processing box 2 to rotate to crush the circuit board, and since the diameter of the second pulley 12 is smaller than the diameter of the first pulley 10, the second pulley 12 can be crushed when the second pulley 12 rotates. The first pulley 10 has a deceleration effect, thereby reducing the rotation speed of the hollow crushing roller 5 and increasing its torque.

As shown in Figures 2, 3 and 4, a first suction pipe 14 is provided inside the hollow sleeve 9, and the first suction pipe 14 passes through the hollow crushing roller 5. The first suction pipe 14 is connected to the fan 15. connected, and the fan 15 is arranged on the top of the dust collecting box 16, the dust collecting box 16 is arranged above the base 1, a plurality of sets of crushing teeth 6 are arranged on the outside of the hollow crushing roller 5, and a support frame is arranged on the inside of the hollow crushing roller 5 7. There are multiple sets of dust suction holes 8 on the surface of the hollow crushing roller 5. When crushing the circuit board, the fan 15 on the top of the dust box 16 can be turned on to generate negative pressure, and at the same time, the first dust suction pipe 14 will generate At the same time, the first suction pipe 14 that penetrates the inside of the hollow crushing roller 5 will cause the suction holes 8 on the surface of the hollow crushing roller 5 to generate suction, so that when the hollow crushing roller 5 crushes the circuit board, it can pass through it. The dust suction holes 8 on the surface suck the dust into the dust collecting box 16, and because multiple sets of dust suction holes 8 are provided on the surface of the two sets of hollow crushing rollers 5, the dust generated during crushing can be effectively absorbed, which greatly improves the efficiency. Dust adsorption efficiency,

As shown in Figures 5 and 6, the inner wall of the hollow sleeve 9 is provided with multiple sets of balls 13, and the balls 13 are in contact with the first suction pipe 14. When the hollow sleeve 9 and the hollow crushing roller 5 rotate, the hollow sleeve 9 The cylinder 9 will rotate outside the first vacuum tube 14. At the same time, the balls 13 on the inner wall of the hollow sleeve 9 can reduce the friction between the hollow sleeve 9 and the first vacuum tube 14, thereby reducing the impact on the first vacuum tube 14. The wear of the vacuum tube 14 increases its service life.

As shown in Figures 1 and 2, a screening assembly is provided inside and below the crushing chamber 3, and gaps are provided on the outsides of the crushing chamber 3 and the blanking chamber 4. The screening assembly includes a spring seat 17, a screen plate 18 and a vibrator 19 , the spring seats 17 are installed at both ends of the inner wall of the crushing chamber 3, and a sieve plate 18 is provided above the spring seat 17. The sieve plate 18 is inclined, and a vibrator 19 is provided at the bottom of the sieve plate 18 to crush the circuit board. At this time, the vibrator 19 at the bottom of the sieve plate 18 can be opened, and the vibration amplitude of the sieve plate 18 can be increased through the spring seat 17, so that the sieve plate 18 can sort circuit boards of different sizes, and larger pieces will pass through. The inclined sieve plate 18 falls into the blanking cavity 4 for subsequent secondary crushing of larger circuit board fragments to improve the crushing quality.

The crushing cavity 3 and the blanking cavity 4 are connected, and the first collection box 20 and the second collection box 21 are respectively provided at the bottom of the crushing cavity 3 and the blanking cavity 4. The first collection box 20 at the bottom of the crushing cavity 3 can be compared with each other. Small fragments are collected, and the second collection box 21 at the bottom of the blanking chamber 4 can collect larger fragments. The first collection box 20 and the second collection box 21 can be collected from the outside of the crushing chamber 3 and the blanking chamber 4 Pull out from the notch, and the first collection box 20 and the second collection box 21 are equipped with rollers at the bottom to facilitate their transfer and improve their practicality.

As shown in Figures 1, 2 and 6, a vertical plate 22 is fixed on the side wall of the treatment box 2, and a lifting assembly is provided on the side wall of the vertical plate 22. A movable plate 26 is provided above the treatment box 2, and the movable plate A dust suction cover 27 is provided at the bottom of 26. The dust suction cover 27 is connected to the fan 15 through a second dust suction pipe 28. The lifting assembly includes a lifting motor 23, a screw rod 24 and a movable block 25. The lifting motor 23 is arranged on the vertical plate 22 The top of the vertical plate 22 is provided with a groove, the output end of the lifting motor 23 is connected to the screw rod 24, and the screw rod 24 is arranged inside the groove, the screw rod 24 is threaded with a movable block 25, and One end of the movable block 25 is slidingly connected to the groove, and the other end of the groove is connected to the movable plate 26. An infrared sensor 29 is provided at the bottom of the movable plate 26, and the infrared sensor 29 is electrically connected to the controller 30. The controller 30 is configured On the outside of the processing box 2, the controller 30 is electrically connected to the loading pedal 31. The loading pedal 31 is arranged above the base 1. When crushing the circuit board, the suction pipe connected to the second vacuum pipe 28 The dust cover 27 will generate suction to absorb the dust coming out of the top of the processing box 2, thereby increasing the dust adsorption range. When putting waste circuit boards into the processing box 2, the staff can step on the loading pedal 31 in advance. 31 will transmit the electrical signal to the controller 30, and then the controller will turn on the lifting motor 23 on the top of the vertical plate 22 to drive the screw rod 24 to rotate, so that the screw rod 24 drives the movable block 25 threadedly connected with it to rise and drive the movement. The board 26 and the dust cover 27 rise, making it convenient for the staff to put the waste circuit boards into the processing box 2. When the staff releases the loading pedal 31, the controller 30 will turn on the lifting motor 23 again to drive the screw 24 to rotate. The screw rod 24 drives the movable block 25 and the movable plate 26 to descend, so that the dust collection cover 27 can absorb the dust coming out of the processing box 2. In this way, it can be convenient for the staff to load materials and at the same time, it can effectively The dust coming out is absorbed, and the infrared sensor 29 with the model number MDM-0420N at the bottom of the movable plate 26 can detect it in real time to prevent the movable plate 26 from falling and injuring the staff, and to improve the safety during use.

Working principle: When using this high-efficiency dust removal device, the staff first turns on the drive motor 11 to drive the second pulley 12 to rotate, and drives the first pulley 10 and the hollow sleeve 9 to rotate through the belt. The hollow sleeve 9 will impact the hollow crushing roller. 5. Transmit torque to drive it to rotate, and then step on the loading pedal 31. The controller 30 will turn on the lifting motor 23 to drive the screw rod 24 to rotate, so that the screw rod 24 drives the movable block 25 and the movable plate 26 to rise, making it convenient for the staff to remove the waste circuits. The plate is put into the crushing chamber 3 for crushing. At the same time, the fan 15 is turned on to generate negative pressure, and the dust suction holes 8 on the surface of the hollow crushing roller 5 and the movable plate 26 are blown through the first suction pipe 14 and the second suction pipe 28. The dust cover 27 at the bottom generates suction, which can suck the dust generated during the crushing process into the dust collection box 16. During the crushing process, the vibrator 19 at the bottom of the sieve plate 18 is opened to generate vibration, and the sieve plate 18 will The circuit board fragments are screened into the first collection box 20 and the second collection box 21 respectively, and the first collection box 20 and the second collection box 21 can be pulled out from the gaps outside the crushing chamber 3 and the blanking chamber 4 Processing, this completes the entire operation, and the content not described in detail in this specification belongs to the prior art known to those skilled in the art.

The terms "center", "vertical", "horizontal", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", The orientation or positional relationship indicated by "outside" is based on the orientation or positional relationship shown in the drawings. It is only a simplified description to facilitate the description of the present invention, and does not indicate or imply that the device or element referred to must have a specific orientation. , is a specific orientation structure and operation, and therefore cannot be understood as a limitation on the protection content of the present invention.

Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims (8)

1. A high-efficiency dust removal device, including a base (1), characterized by: A processing box (2) is fixed above the base (1), and a crushing chamber (3) and a blanking chamber (4) are respectively provided at both ends of the processing box (2). The blanking chamber (4) Hollow crushing rollers (5) are rotatably connected to the upper and inner ends of the blanking chamber (4), and hollow sleeves (9) are provided at the upper and upper ends of the side walls of the blanking chamber (4). The hollow sleeves (9) penetrate the hollow crushing rollers. (5), and a first pulley (10) is provided on the outside of the hollow sleeve (9), a first dust suction pipe (14) is provided on the inside of the hollow sleeve (9), and the first suction pipe (14) is provided on the outside of the hollow sleeve (9). 14) Penetrating the hollow crushing roller (5), the first dust suction pipe (14) is connected to the fan (15), and the fan (15) is arranged on the top of the dust collecting box (16), and the dust collecting box (16) 16) It is arranged above the base (1). A screening assembly is provided below the inside of the crushing chamber (3), and there are gaps on the outsides of the crushing chamber (3) and the blanking chamber (4). The processing box A vertical plate (22) is fixed to the side wall of (2), and a lifting assembly is provided on the side wall of the vertical plate (22). A movable plate (26) is provided above the treatment box (2), and the movable plate (26) ) is provided with a dust suction hood (27) at the bottom, and the dust suction hood (27) is connected to the fan (15) through a second dust suction pipe (28). 2. A high-efficiency dust removal device according to claim 1, characterized in that: a plurality of sets of crushing teeth (6) are provided on the outside of the hollow crushing roller (5), and a plurality of sets of crushing teeth (6) are provided on the inside of the hollow crushing roller (5). There is a support frame (7), and multiple sets of dust suction holes (8) are provided on the surface of the hollow crushing roller (5). 3. A high-efficiency dust removal device according to claim 1, characterized in that: a driving motor (11) is fixed at both ends above the base (1), and the output end of the driving motor (11) is connected to the second The pulley (12) is connected, and the second pulley (12) is connected to the first pulley (10) through a belt. 4. A high-efficiency dust removal device according to claim 1, characterized in that: the inner wall of the hollow sleeve (9) is provided with multiple sets of balls (13), and the balls (13) are connected with the first dust suction pipe. (14) Contact. 5. A high-efficiency dust removal device according to claim 1, characterized in that: the screening assembly includes a spring seat (17), a screen plate (18) and a vibrator (19), and the spring seat (17) It is installed at both ends of the inner wall of the crushing chamber (3), and a sieve plate (18) is provided above the spring seat (17). The sieve plate (18) is inclined, and a vibrating plate is provided at the bottom of the sieve plate (18). Machine(19). 6. A high-efficiency dust removal device according to claim 1, characterized in that: the crushing cavity (3) and the blanking cavity (4) are connected, and the crushing cavity (3) and the blanking cavity (4) are connected A first collection box (20) and a second collection box (21) are respectively provided at the bottom. 7. A high-efficiency dust removal device according to claim 1, characterized in that: the lifting assembly includes a lifting motor (23), a screw rod (24) and a movable block (25), and the lifting motor (23) It is arranged on the top of the vertical plate (22), and the side wall of the vertical plate (22) is provided with a groove. The output end of the lifting motor (23) is connected to the screw rod (24), and the screw rod (24) is set Inside the groove, a movable block (25) is threadedly connected to the screw rod (24), and one end of the movable block (25) is slidingly connected to the groove, and the other end of the groove is connected to the movable plate (26). connect. 8. A high-efficiency dust removal device according to claim 1, characterized in that: an infrared sensor (29) is provided at the bottom of the movable plate (26), and the infrared sensor (29) is electrically connected to the controller (30). The controller (30) is electrically connected to the outside of the processing box (2), and the controller (30) is electrically connected to the feeding pedal (31). The feeding pedal (31) is arranged on the base (1). ) above.