CN111359752B

CN111359752B - Reducing mechanism for building rubbish convenient to categorised collection

Info

Publication number: CN111359752B
Application number: CN202010178576.2A
Authority: CN
Inventors: 陈建伟
Original assignee: Guangxi Qinghui Environmental Protection Technology Co ltd
Current assignee: Guangxi Qinghui Environmental Protection Technology Co.,Ltd.
Priority date: 2020-03-14
Filing date: 2020-03-14
Publication date: 2021-11-09
Anticipated expiration: 2040-03-14
Also published as: CN111359752A

Abstract

The invention discloses a crushing device for construction waste convenient to classify and collect, which comprises a box body, a first motor, a second motor, a fine crushing roller, an electromagnetic cylinder, a wire plug and a third motor, wherein a feeding port is formed in the upper end of the box body, the right ends of single bodies of the crushing rollers are in transmission connection through a first belt, slide rods are fixedly connected to the front side and the rear side of the upper end of the box body respectively, a dustproof plate is connected to the connecting rods in a welding mode, a conveying cylinder is fixedly connected to the left side of the box body, the lower end of a spiral rod is fixedly connected with the second motor through a bolt, a feeding port is formed in the lower left side of the conveying cylinder, a sieve plate is arranged on the lower side of the crushing roller, and a guide plate is arranged on the lower side of the sieve plate. This reducing mechanism for building rubbish convenient to classified collection is convenient for dustproof processing, also is convenient for carry out the layering shredding to building rubbish simultaneously to and be convenient for carry out classified collection with the rubbish of different classes, conveniently retrieve useful rubbish.

Description

Reducing mechanism for building rubbish convenient to categorised collection

Technical Field

The invention relates to the technical field of construction waste, in particular to a crushing device for construction waste, which is convenient for classified collection.

Background

Building rubbish includes reinforced concrete, glass piece and electric wire way etc. and generally when the building age is comparatively long away, when having the potential safety hazard, the building is removed to the mode of adoption blasting to produce a lot of building rubbish occupation space, also the easy polluted environment, need clear up these building rubbish and handle, avoid influencing the environment, also avoid occupation space, influence the use.

At present, the construction waste treatment device commonly used is not convenient for dustproof treatment, and is also not convenient for carry out layering crushing treatment to construction waste simultaneously to and be not convenient for carry out classified collection with the rubbish of different classes, the inconvenient problem of retrieving useful rubbish, therefore, we propose a crushing device for construction waste convenient to classified collection, so as to solve the problem of proposing in the aforesaid.

Disclosure of Invention

The invention aims to provide a crushing device for construction waste convenient for classified collection, which solves the problems that the existing common construction waste treatment device proposed by the background technology is inconvenient for dust prevention treatment, layered crushing treatment of the construction waste is inconvenient, and different types of waste are inconvenient for classified collection and useful waste is inconvenient to recycle.

In order to achieve the purpose, the invention provides the following technical scheme: a crushing device for construction waste convenient for classified collection comprises a box body, a first motor, a second motor, a fine crushing roller, an electromagnetic cylinder, a wire plug and a third motor, wherein a feeding port is formed in the upper end of the box body, the upper side inside the box body is rotatably connected with the crushing roller, the right ends of monomers of the crushing roller are in transmission connection through a first belt, the right end of the crushing roller at the rear side is in installation connection with the first motor through a bolt, slide bars are fixedly connected to the front side and the rear side of the upper end of the box body respectively, a connecting rod is sleeved on each slide bar, a dust guard is welded on each connecting rod, a bidirectional adjusting rod is connected to the right side of each connecting rod in a penetrating manner, a conveying cylinder is fixedly connected to the left side of the box body, a spiral rod is rotatably connected to the inside of the conveying cylinder, the lower end of the spiral rod is fixedly connected with the second motor through a bolt, and a feeding port is formed in the lower side of the conveying cylinder, an electric telescopic rod is fixedly installed at the joint of the conveying cylinder and the box body, a sieve plate is arranged on the lower side of the crushing roller, and the sieve plate is fixedly connected to the inner wall of the box body;

the lower side of the sieve plate is provided with a guide plate, the guide plate is welded on the inner wall of the box body, the fine crushing roller is rotatably connected on the box body, the blanking plate is welded on the inner wall of the box body at the lower side of the fine crushing roller, the front end of the fine crushing roller is integrally connected with a first gear, 2 first gears at the middle part are respectively in transmission connection with adjacent first gears through second belts, the electromagnetic cylinder is fixedly connected on the inner wall of the box body and is arranged at the lower side of the blanking plate, the middle part of the electromagnetic cylinder is rotatably connected with a rotating shaft, the outer surface of the rotating shaft is fixedly connected with a stirring rod, the front end of the rotating shaft is fixedly connected with a third motor through bolts, the rotating shaft is in transmission connection with the rightmost first gear through a third belt, the lower side of the electromagnetic cylinder is connected with a valve block in a clamping manner, the lower end of the valve block is fixedly connected with a support, and the support penetrates through the inner part of the collecting plate, and the collecting plate is welded on the inner wall of the box body, a spring is sleeved on the outer surface of the upper end of the support, the adjusting device is arranged on the upper side of the lower end of the support, the wire is connected to the outer surface of the right side of the electromagnetic cylinder in a plug mode, and a pull rod is installed and connected to the lower right end of the box body.

Preferably, the pan feeding mouth constitutes funnel-shaped structure on the box, and the lower extreme opening size of pan feeding mouth equals with the size of interval between the monomer of crushing roller to the first belt of connecting between the monomer of crushing roller is "8" font structure.

Preferably, the connecting rod forms a sliding structure on the sliding rod, the connecting mode of the connecting rod and the bidirectional adjusting rod is threaded connection, and the bidirectional adjusting rod is of a bidirectional threaded structure.

Preferably, the front and back width dimension of the dust guard is not less than half of the front and back width dimension of the upper end opening of the box body, and the length dimension of the dust guard sliding on the sliding rod is not more than the length dimension of the sliding rod.

Preferably, the guide plate comprises a plate body and a guide opening, the guide opening is formed in the lower end of the plate body, the plate body is welded to the inner wall of the box body, and the plate body is of a wavy structure.

Preferably, the fine crushing rollers are arranged in a bilateral symmetry mode about a vertical central axis of the guide opening, and a linkage structure is formed inside the box body through a transmission structure formed by the first gear and the second belt among the single bodies of the fine crushing rollers.

Preferably, the longitudinal section of the electromagnetic cylinder is of a circular ring structure, and a stirring rod rotatably connected in the electromagnetic cylinder is arranged at an equal angle relative to the rotating shaft.

Preferably, adjusting device includes mounting panel, second gear, regulating block, threaded rod and crank, rotates on the mounting panel and is connected with the regulating block, and the front end fixedly connected with second gear of regulating block, the left side of second gear are connected with the threaded rod, threaded rod upper end fixedly connected with crank, and the threaded rod rotates on the mounting panel and connects.

Preferably, the second gear and the threaded rod are connected in a meshing manner, the second gear forms a rotating structure through the threaded rod, and the number of teeth of the outer surface of the second gear is half of that of the outer surface of the second gear.

Preferably, the support is of a U-shaped structure, the support forms a lifting structure on the collecting plate through an adjusting device, and the collecting plate is obliquely arranged in the box body.

Compared with the prior art, the invention has the beneficial effects that: the crushing device for the construction waste convenient for classified collection is convenient for dust prevention treatment, layered crushing treatment of the construction waste, classified collection of different types of waste and recovery of useful waste;

1. the crushing roller, the sieve plate and the conveying cylinder are arranged, the single bodies of the crushing roller are mutually extruded, so that the building garbage can be conveniently and preliminarily crushed, larger garbage can be conveniently and circularly crushed through the filtering treatment of the sieve plate, and the crushing is more sufficient;

2. the electromagnetic cylinder and the stirring rod are arranged, so that building fragments can be stirred conveniently, and metals and nonmetals can be collected in a classified manner conveniently, so that metal garbage can be recycled conveniently, and the environment pollution and the influence on use can be avoided;

3. be provided with dust guard and two-way regulation pole, the connected mode of dust guard and two-way regulation pole is threaded connection to be convenient for adjust the position of dust guard, when convenient to shredding building rubbish, avoid splashing of dust, the influence is used.

Drawings

FIG. 1 is a front sectional view of the present invention;

FIG. 2 is a schematic top sectional view of the present invention;

FIG. 3 is a schematic view of the connection of the first gear and the second belt according to the present invention;

FIG. 4 is an enlarged view of the structure at A in FIG. 1 according to the present invention;

FIG. 5 is a schematic front view of the adjusting device of the present invention;

FIG. 6 is a schematic view of the overall structure of the guide plate of the present invention;

FIG. 7 is a schematic view of the overall structure of the electromagnetic cylinder of the present invention;

FIG. 8 is a schematic view of the connection between the box and the inlet of the present invention.

In the figure: 1. a box body; 2. a feeding port; 3. a crushing roller; 4. a first belt; 5. a first motor; 6. a slide bar; 7. a connecting rod; 8. a dust-proof plate; 9. a bidirectional adjusting rod; 10. a transfer drum; 11. a screw rod; 12. a feed inlet; 13. an electric telescopic rod; 14. a second motor; 15. a sieve plate; 16. a guide plate; 1601. a plate body; 1602. a guide port; 17. a fine crushing roller; 18. a blanking plate; 19. an electromagnetic cylinder; 20. a rotating shaft; 21. a stirring rod; 22. a pull rod; 23. a wire plug; 24. an adjustment device; 2401. mounting a plate; 2402. a second gear; 2403. an adjusting block; 2404. a threaded rod; 2405. a crank; 25. a valve block; 26. a support; 27. a collection plate; 28. a spring; 29. a first gear; 30. a second belt; 31. a third belt; 32. a third motor.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-8, the present invention provides a technical solution: a crushing device for construction waste convenient for classified collection comprises a box body 1, a feeding port 2, a crushing roller 3, a first belt 4, a first motor 5, a slide rod 6, a connecting rod 7, a dust guard 8, a two-way adjusting rod 9, a conveying cylinder 10, a screw rod 11, a feeding port 12, an electric telescopic rod 13, a second motor 14, a sieve plate 15, a guide plate 16, a fine crushing roller 17, a blanking plate 18, an electromagnetic cylinder 19, a rotating shaft 20, a stirring rod 21, a pull rod 22, an electric wire plug 23, an adjusting device 24, a valve block 25, a support 26, a collecting plate 27, a spring 28, a first gear 29, a second belt 30, a third belt 31 and a third motor 32, wherein the feeding port 2 is formed in the upper end of the box body 1, the crushing roller 3 is rotatably connected to the upper side in the box body 1, a single body of the crushing roller 3 is in transmission connection through the first belt 4, and the right end of the crushing roller 3 on the rear side is connected with the first motor 5 through a bolt, the front side and the rear side of the upper end of the box body 1 are fixedly connected with slide rods 6, the slide rods 6 are sleeved with connecting rods 7, dust-proof plates 8 are welded and connected on the connecting rods 7, the right side of each connecting rod 7 is connected with a bidirectional adjusting rod 9 in a penetrating manner, the left side of the box body 1 is fixedly connected with a conveying cylinder 10, the inner part of each conveying cylinder 10 is rotatably connected with a spiral rod 11, the lower end of each spiral rod 11 is fixedly connected with a second motor 14 through bolts, a feeding hole 12 is formed in the left lower side of each conveying cylinder 10, an electric telescopic rod 13 is fixedly installed at the joint of each conveying cylinder 10 and the box body 1, a sieve plate 15 is arranged on the lower side of each crushing roller 3, and the sieve plate 15 is fixedly connected to the inner wall of the box body 1;

the lower side of the sieve plate 15 is provided with a guide plate 16, the guide plate 16 is welded on the inner wall of the box body 1, the fine crushing roller 17 is rotatably connected on the box body 1, the blanking plate 18 is welded on the inner wall of the box body 1 at the lower side of the fine crushing roller 17, the front end of the fine crushing roller 17 is integrally connected with a first gear 29, 2 first gears 29 at the middle part are respectively in transmission connection with adjacent first gears 29 through a second belt 30, the electromagnetic cylinder 19 is fixedly connected on the inner wall of the box body 1, the electromagnetic cylinder 19 is arranged at the lower side of the blanking plate 18, the middle part of the electromagnetic cylinder 19 is rotatably connected with a rotating shaft 20, the outer surface of the rotating shaft 20 is fixedly connected with a stirring rod 21, the front end of the rotating shaft 20 is fixedly connected with a third motor 32 through a bolt, the rotating shaft 20 is in transmission connection with the rightmost first gear 29 through a third belt 31, the lower side of the electromagnetic cylinder 19 is connected with a valve block 25 in a clamping way, and the lower end of the valve block 25 is fixedly connected with a bracket 26, the support 26 runs through the inside at the collection board 27, and the collection board 27 welds on the inner wall of box 1, and the upper end surface cover of support 26 is equipped with spring 28, and adjusting device 24 sets up the lower extreme upside at support 26, and electric wire plug 23 connects at the right side surface of electromagnetic cylinder 19, and the right lower extreme erection joint of box 1 has pull rod 22.

Pan feeding mouth 2 constitutes like in fig. 1 and fig. 8 funnel-shaped structure on box 1, and the lower extreme opening size of pan feeding mouth 2 and smash the monomer of roller 3 between the interval size equal, and first belt 4 of connecting between the monomer of smashing roller 3 is "8" font structure, make things convenient for building rubbish to pour into and smash roller 3 department and smash, avoid splashing, influence shredding, connecting rod 7 constitutes sliding structure on slide bar 6 as in fig. 2, and connecting rod 7 and two-way regulation pole 9's connected mode is threaded connection, and two-way regulation pole 9 is two-way screw thread structure, conveniently adjust the position of dust guard 8, the dustproof processing of being convenient for.

For example, the front-back width dimension of the dust-proof plate 8 in fig. 2 is not less than half of the front-back width dimension of the upper end opening of the box 1, and the length dimension of the dust-proof plate 8 sliding on the sliding rod 6 is not more than the length dimension of the sliding rod 6, so as to facilitate sufficient shielding of dust and avoid influencing use, for example, the guide plate 16 in fig. 1 and 6 comprises a plate body 1601 and a guide opening 1602, the lower end of the plate body 1601 is provided with a guide opening 1602, the plate body 1601 is welded on the inner wall of the box 1, the plate body 1601 is in a wave-shaped structure, so as to facilitate fine crushing of building rubbish storage, and facilitate use, for example, the fine crushing rollers 17 in fig. 1, 3 and 6 are symmetrically arranged left and right about the vertical central axis of the guide opening 1602, and a transmission structure formed by the first gear 29 and the second belt 30 between the single bodies of the fine crushing rollers 17 forms a linkage structure inside the box 1, so as to facilitate the multi-fine crushing rollers 17, is convenient for full and quick crushing treatment.

As shown in fig. 1, the longitudinal section of the electromagnetic cylinder 19 is a circular ring structure, and the stirring rod 21 rotatably connected inside the electromagnetic cylinder 19 is disposed at an equal angle with respect to the rotating shaft 20, so as to facilitate sufficient stirring of construction waste entering the electromagnetic cylinder 19, thereby facilitating rapid separation and convenient use, as shown in fig. 1, 4 and 5, the adjusting device 24 includes a mounting plate 2401, a second gear 2402, an adjusting block 2403, a threaded rod 2404 and a crank 2405, the mounting plate 2401 is rotatably connected with the adjusting block 2403, the front end of the adjusting block 2403 is fixedly connected with the second gear 2402, the left side of the second gear 2402 is connected with the threaded rod 2404, the upper end of the threaded rod 2404 is fixedly connected with the crank 2405, the threaded rod 2404 is rotatably connected on the mounting plate 2401, thereby facilitating rotation of the adjusting block 2403, facilitating opening and closing of the position of the adjusting valve block 25, as shown in fig. 1 and 5, the connection manner of the second gear 2402 and the threaded rod 2404 is engaged connection, and the second gear 2402 forms a rotating structure through the threaded rod 2404, and the number of the saw teeth on the outer surface of the second gear 2402 is half of that on the outer surface of the second gear 2402, so that the rotating angle of the rotating adjusting block 2403 is conveniently controlled, and the operation and the use are convenient.

As shown in the figures 1 and 4, the bracket 26 is in a U-shaped structure, the bracket 26 forms a lifting structure on the collecting plate 27 through the adjusting device 24, and the collecting plate 27 is obliquely arranged in the box body 1, so that the valve block 25 can be conveniently opened and closed, and the construction waste can be prevented from being screened and treated.

The working principle is as follows: when the crushing device for construction waste convenient for classified collection is used, firstly, as shown in a figure 1 and a figure 8, the construction waste is poured into a conveying cylinder 10 through a feeding hole 12, a power switch of a second motor 14 is turned on, so that a spiral rod 11 is driven to rotate, the construction waste is convenient to convey, the construction waste is poured into a box body 1 from a feeding hole 2, as shown in a figure 1 and a figure 2, a switch of a first motor 5 is turned on, the first motor 5 drives a crushing roller 3 to rotate through a first belt 4, so that the construction waste is convenient to crush, meanwhile, a bidirectional adjusting rod 9 is rotated, the connection mode of the bidirectional adjusting rod 9 and a connecting rod 7 is threaded connection, so that a dustproof plate 8 is driven to slide on a sliding rod 6, the upper end of the box body 1 is convenient to shield, dust splashing is avoided, the environment is prevented from being polluted, use is influenced, and waste fragments are filtered through a sieve plate 15, larger garbage fragments are conveyed again through the screw rod 11, and the electric telescopic rod 13 automatically stretches and retracts, so that the regulation and control are convenient;

referring to fig. 1, 3 and 6, the third motor 32 is turned on to drive the rotating shaft 20 to rotate automatically, and also to drive the first gear 29 to rotate through the third belt 31, and to drive the fine crushing roller 17 to rotate through the second belt 30, so as to sufficiently crush the building fragments, and to separate metals and non-metals in the building waste through the stirring treatment of the stirring rod 21, as shown in fig. 5 and 7, the wire plug 23 is externally connected with a power supply to absorb the metals in the building waste through the electromagnetic force generated by the electromagnetic cylinder 19, the crank 2405 is rotated to drive the threaded rod 2404 to rotate, so as to improve the rotation of the adjusting block 2403 by the second gear 2402, to drive the bracket 26 to slide downwards, so as to separate the valve block 25 from the lower opening of the electromagnetic cylinder 19, so that the non-metal part in the building waste slides to the outside through the collecting plate 27, facilitate the use, collect the completion back, break off the electric connection of electric wire plug 23 to be convenient for in the building rubbish metal part landing on collecting plate 27, also be convenient for collect the processing, this is exactly this be convenient for categorised whole working process of the reducing mechanism for building rubbish of collecting.

Those not described in detail in this specification are within the skill of the art. The standard parts used in the invention can be purchased from the market, the special-shaped parts can be customized according to the description of the specification and the accompanying drawings, the specific connection mode of each part adopts conventional means such as bolts, rivets, welding and the like mature in the prior art, the machines, the parts and equipment adopt conventional models in the prior art, and the circuit connection adopts the conventional connection mode in the prior art, so that the detailed description is omitted.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a reducing mechanism for building rubbish convenient to categorised collection, includes box (1), first motor (5), second motor (14), fine crushing roller (17), an electromagnetic cylinder (19), electric wire plug (23) and third motor (32), its characterized in that: the upper end of the box body (1) is provided with a feeding port (2), the inner upside of the box body (1) is rotatably connected with a crushing roller (3), the right ends of monomers of the crushing roller (3) are connected through a first belt (4) in a transmission manner, the right ends of the crushing roller (3) on the rear side are connected with a first motor (5) through bolts in an installation manner, the feeding port (2) forms a funnel-shaped structure on the box body (1), the size of the space between the lower end opening size of the feeding port (2) and the monomers of the crushing roller (3) is equal, the first belt (4) connected between the monomers of the crushing roller (3) is of an 8-shaped structure, the front side and the rear side of the upper end of the box body (1) are fixedly connected with slide bars (6), the slide bars (6) are sleeved with connecting rods (7), the connecting rods (7) are welded with dust guard (8), and the right side of the connecting rods (7) is connected with a two-way adjusting rod (9) in a penetrating manner, a conveying cylinder (10) is fixedly connected to the left side of the box body (1), a screw rod (11) is rotatably connected to the inside of the conveying cylinder (10), a second motor (14) is fixedly connected to the lower end of the screw rod (11) through a bolt, a feeding port (12) is formed in the left lower side of the conveying cylinder (10), an electric telescopic rod (13) is fixedly installed at the connecting position of the conveying cylinder (10) and the box body (1), a sieve plate (15) is arranged on the lower side of the crushing roller (3), and the sieve plate (15) is fixedly connected to the inner wall of the box body (1);

the guide plate (16) is arranged on the lower side of the sieve plate (15), the guide plate (16) is welded on the inner wall of the box body (1), the guide plate (16) comprises a plate body (1601) and a guide opening (1602), the guide opening (1602) is formed in the lower end of the plate body (1601), the plate body (1601) is welded on the inner wall of the box body (1), the plate body (1601) is of a wavy structure, the fine crushing rollers (17) are symmetrically arranged on the left and right of the vertical central axis of the guide opening (1602), a transmission structure formed by the first gear (29) and the second belt (30) among the monomers of the fine crushing rollers (17) forms an interlocking structure inside the box body (1), the fine crushing rollers (17) are rotatably connected on the box body (1), the blanking plate (18) is welded on the inner wall of the box body (1) on the lower side of the fine crushing rollers (17), and the first gear (29) is integrally connected at the front end of the fine crushing rollers (17), and 2 first gears (29) at the middle part are respectively in transmission connection with adjacent first gears (29) through second belts (30), the electromagnetic cylinder (19) is fixedly connected on the inner wall of the box body (1), the electromagnetic cylinder (19) is arranged at the lower side of the lower material plate (18), the middle part of the electromagnetic cylinder (19) is rotatably connected with a rotating shaft (20), the outer surface of the rotating shaft (20) is fixedly connected with a stirring rod (21), the front end of the rotating shaft (20) is fixedly connected with a third motor (32) through a bolt, the rotating shaft (20) is in transmission connection with the rightmost first gear (29) through a third belt (31), the lower side of the electromagnetic cylinder (19) is connected with a valve block (25) in a clamping manner, the lower end of the valve block (25) is fixedly connected with a support (26), the support (26) penetrates through the inside of the collecting plate (27), and the collecting plate (27) is welded on the inner wall of the box body (1), a spring (28) is sleeved on the outer surface of the upper end of the support (26), the adjusting device (24) is arranged on the upper side of the lower end of the support (26), the wire plug (23) is connected to the outer surface of the right side of the electromagnetic cylinder (19), and the pull rod (22) is installed and connected to the lower right end of the box body (1);

adjusting device (24) include mounting panel (2401), second gear (2402), regulating block (2403), threaded rod (2404) and crank (2405), it is connected with regulating block (2403) to rotate on mounting panel (2401), the front end fixedly connected with second gear (2402) of regulating block (2403), the left side of second gear (2402) is connected with threaded rod (2404), threaded rod (2404) upper end fixedly connected with crank (2405), threaded rod (2404) rotate on mounting panel (2401) and connect, the connected mode of second gear (2402) and threaded rod (2404) is the meshing connection, and second gear (2402) constitute revolution mechanic through threaded rod (2404), and the number of teeth of the saw of the surface of second gear (2402) is half of second gear (2402) surface.

2. The construction waste crushing device convenient for classified collection according to claim 1, wherein: the connecting rod (7) forms a sliding structure on the sliding rod (6), the connecting mode of the connecting rod (7) and the bidirectional adjusting rod (9) is threaded connection, and the bidirectional adjusting rod (9) is of a bidirectional threaded structure.

3. The construction waste crushing device convenient for classified collection according to claim 1, wherein: the front and back width dimension of the dust guard (8) is not less than half of the front and back width dimension of the upper end opening of the box body (1), and the length dimension of the dust guard (8) sliding on the sliding rod (6) is not more than the length dimension of the sliding rod (6).

4. The construction waste crushing device convenient for classified collection according to claim 1, wherein: the longitudinal section of the electromagnetic cylinder (19) is of a circular ring structure, and a stirring rod (21) rotatably connected with the inside of the electromagnetic cylinder (19) is arranged at equal angles relative to the rotating shaft (20).

5. The construction waste crushing device convenient for classified collection according to claim 1, wherein: the support (26) is of a U-shaped structure, the support (26) forms a lifting structure on the collecting plate (27) through the adjusting device (24), and the collecting plate (27) is obliquely arranged in the box body (1).