Construction waste crushing device

Abstract

The utility model discloses a construction waste crushing device, which relates to the technical field of construction waste treatment, and comprises a box body and two symmetric crushing rollers arranged in the box body, the upper end of the box body is provided with a feed port, and a plurality of screening plates capable of adsorbing iron are arranged below the crushing rollers. A screening plate is arranged in the box body, the screening plate is downwards stepped in the vertical direction and inclines by a certain angle, a scraping plate is arranged above the screening plate and can do reciprocating linear motion along the side face of the screening plate, a discharging port is formed in the lower end of the box body, a conveying belt is arranged below the discharging port, and the feeding end of the conveying belt is located below the discharging port. A plurality of magnet rods which are uniformly distributed are arranged at the discharging end of the conveying belt and can rotate; according to the iron removal device for the building waste crushed aggregates, iron in the building waste crushed aggregates is adsorbed layer by layer through the multiple screening plates, the iron in the building waste crushed aggregates is completely adsorbed, the magnet rod arranged at the discharging end of the conveying belt can adsorb the building waste crushed aggregates again, and the iron in the building waste crushed aggregates is better removed.

Description

Technical Field

[0001] The utility model relates to the technical field of construction waste treatment, in particular to a construction waste crushing device. Background Art

[0002] Construction waste is a general term for waste materials such as slag, waste concrete, waste bricks and stones generated in construction projects. If these wastes are simply piled up, they will cause serious environmental pollution. In order to reduce the pollution of construction waste to the environment, construction waste is usually poured into a crusher for crushing and screening, and then the crushed materials are processed and reused.

[0003] When using the existing construction waste crushing device, due to the complex composition of construction waste, it will be mixed with a lot of metals such as construction steel bars and nails. For some iron products, it is difficult to grind them into powder directly. After crushing, there will be many sharp parts. The protruding sharp parts can easily cause harm to people, and the safety is poor. When the construction waste is reused, it is necessary to remove the metals such as steel bars and nails in the construction waste. However, many construction waste crushing devices do not have a good iron removal function for the processed construction waste.

[0004] In view of the above problems, the utility model provides a construction waste crushing device. Utility Model Content

[0005] The utility model aims to provide a construction waste crushing device, which first feeds construction waste into the interior of a box from a feed port, and a crushing roller crushes the construction waste. The crushed construction waste falls onto a screening plate, and multiple screening plates will absorb iron in the construction waste fragments layer by layer, and absorb the iron in the construction waste fragments as cleanly as possible. Then the absorbed construction waste fragments fall onto the feed end of a conveyor belt through a discharge port, and then the conveyor belt conveys the construction waste fragments to the discharge end for collection. The magnet rods arranged at the discharge end of the conveyor belt will absorb the construction waste fragments again, and the iron in the construction waste fragments will be better removed, thereby solving the problems in the background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a construction waste crushing device, comprising a box body, and two symmetrical crushing rollers arranged inside the box body, a feed port is opened at the upper end of the box body, and a plurality of screening plates that can absorb iron are arranged below the crushing rollers, the screening plates are stepped downward in the vertical direction and inclined at a certain angle, a scraper is arranged above the screening plate, and the scraper can make reciprocating linear motion along the side of the screening plate, a discharge port is arranged at the lower end of the box body, a conveyor belt is arranged below the discharge port, the feed end of the conveyor belt is located directly below the discharge port, and a plurality of evenly distributed magnet bars are arranged at the discharge end of the conveyor belt, and the magnet bars can rotate.

[0007] Furthermore, an electromagnet is fixedly mounted on the side of the screening plate.

[0008] Furthermore, a T-shaped groove is provided in the middle part of the bottom end surface of the screening plate, a T-shaped slider is arranged inside the T-shaped groove, the T-shaped slider is slidably connected to the inner wall of the T-shaped groove, a screw rod is arranged inside the T-shaped groove, the screw rod is threadedly connected to the T-shaped slider, both ends of the screw rod are rotatably connected to the inner wall of the T-shaped groove through bearings, a first motor is fixedly installed on the outside of the box, one end of the screw rod extends outward and is fixedly connected to the output end of the first motor, a rectangular frame parallel to the screening plate is provided on the outside of the screening plate, the inner bottom surface of the rectangular frame is fixedly connected to the T-shaped slider, and the inner top surface of the rectangular frame is fixedly connected to the scraper.

[0009] Furthermore, mutually symmetrical rectangular plates are arranged on both sides of the conveyor belt, a driven roller is arranged inside the discharge end of the conveyor belt, a third rotating shaft passes through the side of the driven roller, the third rotating shaft is fixedly connected to the driven roller, and both ends of the third rotating shaft are rotatably connected to the inner side surface of the rectangular plate through bearings, an active roller is arranged inside the feed end of the conveyor belt, a second rotating shaft passes through the side of the active roller, the second rotating shaft is fixedly connected to the active roller, and both ends of the second rotating shaft are rotatably connected to the inner side surface of the rectangular plate through bearings, a second motor is fixedly installed on the outer side surface of the rectangular plate, and one end of the second rotating shaft extends outward and is fixedly connected to the output end of the second motor.

[0010] Furthermore, two mutually symmetrical buffer plates are arranged inside the feed port, a first rotating shaft passes through the side of one end of the buffer plate, both ends of the first rotating shaft are rotatably connected to the inner wall of the feed port through bearings, the side of the first rotating shaft is fixedly connected to the inside of the buffer plate, both end ends of the first rotating shaft are provided with torsion springs, the side of the buffer plate is fixedly connected to one end of the torsion spring, and the other end of the torsion spring is fixedly connected to the upper inner wall of the box body.

[0011] Furthermore, two mutually symmetrical supporting legs are fixedly connected to the outer side surface of the rectangular plate, and the upper ends of the supporting legs are fixedly connected to the side surfaces of the box body.

[0012] Furthermore, a rotating rod is provided at one end of the rectangular plate located at the discharge port, the side of the rotating rod is fixedly connected to the magnet rod, both ends of the rotating rod are rotatably connected to the inner side of the rectangular plate through bearings, a third motor is fixedly installed on the outer side of the rectangular plate, and one end of the rotating rod extends outward and is fixedly connected to the output end of the third motor.

[0013] Compared with the prior art, the beneficial effects of the utility model are as follows: first, the construction waste is fed into the interior of the box from the feed port, the crushing roller crushes the construction waste, and the crushed construction waste falls onto the screening plate, and multiple screening plates will absorb the iron in the construction waste fragments layer by layer, and absorb the iron in the construction waste fragments as much as possible, and then the absorbed construction waste fragments fall onto the feed end of the conveyor belt through the discharge port, and then the conveyor belt conveys the construction waste fragments to the discharge end for collection, and the magnet rods arranged at the discharge end of the conveyor belt will absorb the construction waste fragments again, so as to better remove the construction waste. The purpose of this design is to feed the construction waste into the box from the feed port, and the crushing roller will crush the construction waste. The crushed construction waste will fall onto the screening plate. Multiple screening plates will absorb the iron in the construction waste fragments layer by layer, and absorb the iron in the construction waste fragments as much as possible. Then the adsorbed construction waste fragments will fall onto the feed end of the conveyor belt through the discharge port, and then the conveyor belt will transport the construction waste fragments to the discharge end for collection. The magnet bar set at the discharge end of the conveyor belt will absorb the construction waste fragments again to better remove the iron in the construction waste fragments. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0015] Figure 2 This is a schematic diagram of the internal structure of the box in the utility model;

[0016] Figure 3 This is a schematic diagram of the structure of the buffer plate in the utility model;

[0017] Figure 4 This is a schematic diagram of the T-shaped slide structure in the utility model;

[0018] Figure 5 for Figure 3 A schematic diagram of the enlarged structure in FIG.

[0019] In the figure: 1. box body; 2. feed inlet; 3. buffer plate; 4. first rotating shaft; 5. torsion spring; 6. crushing roller; 7. screening plate; 8. electromagnet; 9. T-shaped slide; 10. T-shaped slider; 11. screw rod; 12. rectangular frame; 13. scraper; 14. first motor; 15. discharge port; 16. supporting leg; 17. conveyor belt; 18. rectangular plate; 19. active roller; 20. second rotating shaft; 21. second motor; 22. driven roller; 23. third rotating shaft; 24. third motor; 25. rotating rod; 26. magnet bar. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] In order to solve the technical problem of how to remove iron from building debris, Figure 1-5 As shown, the following preferred technical solutions are provided:

[0022] A construction waste crushing device comprises a box body 1, and two symmetrical crushing rollers 6 arranged inside the box body 1, a feed port 2 is opened at the upper end of the box body 1, a plurality of screening plates 7 capable of adsorbing iron are arranged below the crushing rollers 6, the screening plates 7 are stepped downward in the vertical direction and inclined at a certain angle, a scraper 13 is arranged above the screening plates 7, and the scraper 13 can make reciprocating linear motion along the side of the screening plates 7, a discharge port 15 is arranged at the lower end of the box body 1, a conveyor belt 17 is arranged below the discharge port 15, a feed end of the conveyor belt 17 is located directly below the discharge port 15, and a plurality of evenly distributed magnet bars 26 are arranged at the discharge end of the conveyor belt 17, and the magnet bars 26 can rotate.

[0023] Specifically, first, the construction waste is fed into the interior of the box body 1 from the feed port 2, and the crushing roller 6 crushes the construction waste. The crushed construction waste falls onto the screening plate 7. The multiple screening plates 7 will absorb the iron in the construction waste layer by layer, and absorb the iron in the construction waste as much as possible. Then, the adsorbed construction waste falls onto the feed end of the conveyor belt 17 through the discharge port 15, and then the conveyor belt 17 conveys the construction waste to the discharge end for collection. The magnet bar 26 set at the discharge end of the conveyor belt 17 will absorb the construction waste again to better remove the iron in the construction waste. The purpose of the design is to feed the construction waste from the feed port 2 into the interior of the box 1, and the crushing roller 6 crushes the construction waste. The crushed construction waste falls onto the screening plate 7. The multiple screening plates 7 will absorb the iron in the construction waste fragments layer by layer, and absorb the iron in the construction waste fragments as much as possible. Then the adsorbed construction waste fragments fall onto the feed end of the conveyor belt 17 through the discharge port 15, and then the conveyor belt 17 conveys the construction waste fragments to the discharge end for collection. The magnet bar 26 set at the discharge end of the conveyor belt 17 will absorb the construction waste fragments again to better remove the iron in the construction waste fragments.

[0024] Further, such as Figure 4 As shown, the following preferred technical solutions are provided:

[0025] An electromagnet 8 is fixedly mounted on the side of the screening plate 7. The purpose of this design is to absorb iron in the construction waste through the electromagnet 8.

[0026] Further, such as Figure 4 As shown, the following preferred technical solutions are provided:

[0027] A T-shaped slot 9 is provided in the middle of the bottom end surface of the screening plate 7, a T-shaped slider 10 is provided inside the T-shaped slot 9, the T-shaped slider 10 is slidably connected to the inner wall of the T-shaped slot 9, a screw rod 11 is provided inside the T-shaped slot 9, the screw rod 11 is threadedly connected to the T-shaped slider 10, both ends of the screw rod 11 are rotatably connected to the inner wall of the T-shaped slot 9 through bearings, a first motor 14 is fixedly installed outside the box body 1, one end of the screw rod 11 extends outwardly and is fixedly connected to the output end of the first motor 14, a rectangular frame 12 parallel to the screening plate 7 is provided on the outside, the inner bottom surface of the rectangular frame 12 is fixedly connected to the T-shaped slider 10, and the inner top surface of the rectangular frame 12 is fixedly connected to the scraper 13, The purpose of such design is to drive the rotation of the screw rod 11 by the rotation of the output end of the first motor 14. The rotation of the screw rod 11 drives the T-shaped slider 10 to make reciprocating linear motion along the screening plate 7, thereby driving the rectangular frame 12 to make reciprocating linear motion along the side of the screening plate 7. The rectangular frame 12 drives the scraper 13 to make reciprocating linear motion along the side of the screening plate 7 to scrape off the iron adsorbed on the side of the screening plate 7. The scraped iron falls onto the feed end of the conveyor belt 17 through the discharge port 15, and then the conveyor belt 17 transports the iron to the discharge end of the conveyor belt 17 to be adsorbed by the magnet rod 26. Finally, the iron is collected from the magnet rod 26 in a unified manner, thereby reducing the labor intensity of the cleaning personnel.

[0028] Further, such as Figure 1 and Figure 2 As shown, the following preferred technical solutions are provided:

[0029] Mutually symmetrical rectangular plates 18 are provided on both sides of the conveyor belt 17, a driven roller 22 is provided inside the discharge end of the conveyor belt 17, a third rotating shaft 23 passes through the side of the driven roller 22, the third rotating shaft 23 is fixedly connected to the driven roller 22, and both ends of the third rotating shaft 23 are rotatably connected to the inner side of the rectangular plate 18 through bearings, and a driving roller 19 is provided inside the feed end of the conveyor belt 17, a second rotating shaft 20 passes through the side of the driving roller 19, the second rotating shaft 20 is fixedly connected to the driving roller 19, and both ends of the second rotating shaft 20 are rotatably connected to the rectangular plate 18 through bearings. The second motor 21 is fixedly installed on the inner side surface of the plate 18 and the outer side surface of the rectangular plate 18. One end of the second rotating shaft 20 extends outward and is fixedly connected to the output end of the second motor 21. The purpose of this design is to drive the rotation of the second rotating shaft 20 through the output end of the second motor 21. The second rotating shaft 20 drives the active roller 19 to rotate. The rotation of the active roller 19 drives the conveyor belt 17 to rotate through the friction between the active roller 19 and the conveyor belt 17. The driven roller 22 supports the conveyor belt 17 and rotates under its drive, so that the conveyor belt 17 can better convey the crushed construction waste.

[0030] Further, such as Figure 3 and Figure 5 As shown, the following preferred technical solutions are provided:

[0031] Two symmetrical buffer plates 3 are arranged inside the feed port 2, and a first rotating shaft 4 passes through the side of one end of the buffer plate 3. Both ends of the first rotating shaft 4 are rotatably connected to the inner wall of the feed port 2 through bearings. The side of the first rotating shaft 4 is fixedly connected to the inside of the buffer plate 3. Torsion springs 5 ​​are arranged at both ends of the first rotating shaft 4. The side of the buffer plate 3 is fixedly connected to one end of the torsion spring 5, and the other end of the torsion spring 5 is fixedly connected to the upper inner wall of the box body 1. The purpose of such design is to allow the rotating buffer plate 3 to automatically reset through the torsion spring 5, so as to buffer the construction waste entering the box body 1.

[0032] Further, such as Figure 1 As shown, the following preferred technical solutions are provided:

[0033] Two mutually symmetrical supporting legs 16 are fixedly connected to the outer side surface of the rectangular plate 18 , and the upper ends of the supporting legs 16 are fixedly connected to the side surfaces of the box body 1 . The purpose of such a design is to better place the box body 1 through the supporting legs 16 .

[0034] Further, such as Figure 1 As shown, the following preferred technical solutions are provided:

[0035] A rotating rod 25 is provided at one end of the rectangular plate 18 located at the discharge end, and a magnet rod 26 is fixedly connected to the side of the rotating rod 25. Both ends of the rotating rod 25 are rotatably connected to the inner side of the rectangular plate 18 through bearings, and a third motor 24 is fixedly installed on the outer side of the rectangular plate 18. One end of the rotating rod 25 extends outward and is fixedly connected to the output end of the third motor 24. The purpose of this design is to drive the rotation of the rotating rod 25 by the rotation of the output end of the third motor 24, and the rotation of the rotating rod 25 drives the rotation of the magnet rod 26, so that the magnet rod 26 can better adsorb metals such as steel bars and nails in the construction waste fragments.

[0036] In summary: first, the construction waste is fed into the interior of the box body 1 from the feed port 2, the crushing roller 6 crushes the construction waste, and the crushed construction waste falls onto the screening plate 7. The multiple screening plates 7 will absorb the iron in the construction waste fragments layer by layer, and absorb the iron in the construction waste fragments as much as possible. Then the adsorbed construction waste fragments fall onto the feed end of the conveyor belt 17 through the discharge port 15, and then the conveyor belt 17 conveys the construction waste fragments to the discharge end for collection. The magnet bar 26 set at the discharge end of the conveyor belt 17 will absorb the construction waste fragments again to better remove the iron in the construction waste. The purpose of the design is to first feed the construction waste into the interior of the box 1 from the feed port 2, and the crushing roller 6 crushes the construction waste. The crushed construction waste falls onto the screening plate 7. Multiple screening plates 7 will absorb the iron in the construction waste fragments layer by layer, and absorb the iron in the construction waste fragments as much as possible. Then the adsorbed construction waste fragments fall onto the feed end of the conveyor belt 17 through the discharge port 15, and then the conveyor belt 17 conveys the construction waste fragments to the discharge end for collection. The magnet bar 26 set at the discharge end of the conveyor belt 17 will absorb the construction waste fragments again to better remove the iron in the construction waste fragments.

[0037] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0038] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A construction waste crushing device, characterized in that: The invention comprises a box body (1), and two symmetrical crushing rollers (6) arranged inside the box body (1), wherein a feed port (2) is provided at the upper end of the box body (1), and a plurality of screening plates (7) capable of absorbing iron are arranged below the crushing rollers (6), the screening plates (7) are stepped downward in a vertical direction and are inclined at a certain angle, a scraper (13) is arranged above the screening plates (7), and the scraper (13) can make reciprocating linear motion along the side of the screening plates (7), a discharge port (15) is provided at the lower end of the box body (1), and a conveyor belt (17) is arranged below the discharge port (15), the feed end of the conveyor belt (17) is located directly below the discharge port (15), and a plurality of evenly distributed magnet bars (26) are arranged at the discharge end of the conveyor belt (17), and the magnet bars (26) can rotate.

2. A construction waste crushing device according to claim 1, characterized in that: An electromagnet (8) is fixedly mounted on the side of the screening plate (7).

3. The construction waste crushing device according to claim 1, characterized in that: A T-shaped slide groove (9) is provided in the middle of the bottom end surface of the screening plate (7), a T-shaped slider (10) is arranged inside the T-shaped slide groove (9), the T-shaped slider (10) is slidably connected to the inner wall of the T-shaped slide groove (9), a screw rod (11) is arranged inside the T-shaped slide groove (9), the screw rod (11) is threadedly connected to the T-shaped slider (10), and both ends of the screw rod (11) are rotatably connected to the inner wall of the T-shaped slide groove (9) through bearings, a first motor (14) is fixedly installed outside the box body (1), one end of the screw rod (11) extends outwardly and is fixedly connected to the output end of the first motor (14), and a rectangular frame (12) parallel to the screening plate (7) is arranged outside the screening plate (7), the inner bottom surface of the rectangular frame (12) is fixedly connected to the T-shaped slider (10), and the inner top surface of the rectangular frame (12) is fixedly connected to the scraper (13).

4. The construction waste crushing device according to claim 1, characterized in that: Mutually symmetrical rectangular plates (18) are arranged on both sides of the conveyor belt (17); a driven roller (22) is arranged inside the discharge end of the conveyor belt (17); a third rotating shaft (23) passes through the side of the driven roller (22); the third rotating shaft (23) is fixedly connected to the driven roller (22); two ends of the third rotating shaft (23) are rotatably connected to the inner side of the rectangular plate (18) through bearings; a driving roller (19) is arranged inside the feed end of the conveyor belt (17); a second rotating shaft (20) passes through the side of the driving roller (19); the second rotating shaft (20) is fixedly connected to the driving roller (19); two ends of the second rotating shaft (20) are rotatably connected to the inner side of the rectangular plate (18) through bearings; a second motor (21) is fixedly installed on the outer side of the rectangular plate (18); one end of the second rotating shaft (20) extends outwardly and is fixedly connected to the output end of the second motor (21).

5. The construction waste crushing device according to claim 1, characterized in that: Two mutually symmetrical buffer plates (3) are arranged inside the feed port (2); a first rotating shaft (4) passes through the side surface of one end of the buffer plate (3); both ends of the first rotating shaft (4) are rotatably connected to the inner wall of the feed port (2) via bearings; the side surface of the first rotating shaft (4) is fixedly connected to the inside of the buffer plate (3); both ends of the first rotating shaft (4) are provided with torsion springs (5); the side surface of the buffer plate (3) is fixedly connected to one end of the torsion spring (5); and the other end of the torsion spring (5) is fixedly connected to the upper inner wall of the box body (1).

6. The construction waste crushing device according to claim 4, characterized in that: Two mutually symmetrical supporting legs (16) are fixedly connected to the outer side surface of the rectangular plate (18), and the upper ends of the supporting legs (16) are fixedly connected to the side surfaces of the box body (1).

7. The construction waste crushing device according to claim 4, characterized in that: A rotating rod (25) is arranged at one end of the rectangular plate (18) at the discharge end, a side of the rotating rod (25) is fixedly connected to a magnet bar (26), two ends of the rotating rod (25) are rotatably connected to the inner side of the rectangular plate (18) through bearings, a third motor (24) is fixedly installed on the outer side of the rectangular plate (18), and one end of the rotating rod (25) extends outwards and is fixedly connected to the output end of the third motor (24).

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