CN212215888U

CN212215888U - Effectual building rubbish of metal recovery retrieves letter sorting equipment

Info

Publication number: CN212215888U
Application number: CN202020727512.9U
Authority: CN
Inventors: 梁健文; 刘柏勇; 李振杰
Original assignee: Jinyu New Wall Co ltd Xinhui District Jiangmen City
Current assignee: Jinyu New Wall Co ltd Xinhui District Jiangmen City
Priority date: 2020-05-06
Filing date: 2020-05-06
Publication date: 2020-12-25
Anticipated expiration: 2030-05-06

Abstract

The utility model relates to a construction waste recycling and sorting device with good metal recycling effect, which relates to the technical field of waste sorting and recycling devices and comprises a frame, wherein a fixed frame is arranged on the frame, a metal adsorption device is arranged on the fixed frame, the metal adsorption device comprises first electromagnetic rollers which are oppositely arranged along the length direction of the frame, and the two first electromagnetic rollers are driven by a first driving device; the fixing frame is further rotatably connected with a second electromagnetic roller, the second electromagnetic roller is located below the feeding port, the first electromagnetic roller and the second electromagnetic roller are respectively rotatably connected with the fixing frame through rotating shafts, and the second electromagnetic roller is driven by a second driving device. The utility model provides a metal parts directly channels into grinding device, damage grinding device's problem easily, have the metallics in the material and adsorb, make metallics and material separation, to grinding device's wearing and tearing when reducing the grinding, promote grinding device's life to reduce grinding device's use cost's effect.

Description

Effectual building rubbish of metal recovery retrieves letter sorting equipment

Technical Field

The utility model belongs to the technical field of the technique of rubbish letter sorting recovery plant and specifically relates to a effectual building rubbish retrieves letter sorting equipment is retrieved to metal is related to.

Background

With the rapid development of national economy, national infrastructure is also under continuous renewal construction, especially the construction of railways and expressways, and the reconstruction of urban buildings. The development of cities enables old buildings to be dismantled successively in the continuous construction of various house projects. During the house dismantling process, a large amount of solid waste, namely construction waste, can be generated. At present, the quantity of the construction waste in China accounts for 30 to 40 percent of the total quantity of the urban waste. Reckoning by the standard of 500-600 tons/ten thousand square meters, as far as 2020, the newly increased building area of China is about 300 hundred million square meters, and the newly generated building garbage is a shocking number. However, most of the construction wastes are not treated, and are transported to suburbs or villages by construction units, and are piled or buried in the open air, so that a large amount of construction expenses such as land acquisition expenses and garbage clearing and transporting expenses are consumed, and meanwhile, the problems of scattering, dust, sand and ash flying in the clearing and piling processes cause serious environmental pollution.

At present, the construction waste is recycled mainly by grinding the construction waste into sand powder, the construction waste can be poured into grinding equipment completely in the recycling process, but the construction waste contains metal such as reinforcing steel bars or screws, metal parts are directly poured into the grinding equipment to cause abrasion to the grinding equipment, so that the service life of the grinding equipment is shortened, and the use cost is increased.

SUMMERY OF THE UTILITY MODEL

According to prior art exist not enough, the utility model aims at providing a effectual building rubbish retrieves letter sorting equipment is retrieved to metal has the easy clearance of colloidal particle, promotes the effect of the filtration efficiency of a semi-permeable section of thick bamboo.

The above technical purpose of the present invention can be achieved by the following technical solutions:

the construction waste recycling and sorting equipment with good metal recycling effect comprises a rack, wherein a fixed frame is arranged on the rack, a metal adsorption device is arranged on the fixed frame, the metal adsorption device comprises first electromagnetic rollers which are oppositely arranged along the length direction of the rack, a feeding port is arranged between the two first electromagnetic rollers, and the two first electromagnetic rollers are driven by a first driving device;

the fixing frame is further rotatably connected with a second electromagnetic roller, the second electromagnetic roller is located below the feeding port, the first electromagnetic roller and the second electromagnetic roller are respectively connected with the fixing frame in a rotating mode through rotating shafts, and the second electromagnetic roller is driven through a second driving device.

Through adopting above-mentioned technical scheme, the material passes between two first electromagnetic rollers, falls on the second electromagnetic roller again, and the material is fully broken up, and first electromagnetic roller and second electromagnetic roller adsorb the metallics in the material simultaneously, make metallics and material separation, to grinding equipment's wearing and tearing when reducing the grinding, promote grinding equipment's life to reduce grinding equipment's use cost.

The present invention may be further configured in a preferred embodiment as: a first material receiving box is sleeved on one side of each of the two first electromagnetic rollers, the width of each first material receiving box is larger than the radius of each first electromagnetic roller, first scraping plates are arranged at the tops of the two first material receiving boxes, and the two first scraping plates are respectively abutted against the surfaces of the two first electromagnetic rollers;

the bottom of the second electromagnetic roller is sleeved with a second material receiving box, the width of the second material receiving box is smaller than the diameter of the second electromagnetic roller, a second scraping plate is arranged on one side, in the same direction as the rotation direction of the second electromagnetic roller, of the second material receiving box, the second scraping plate is abutted to the surface of the second electromagnetic roller, and the first material receiving box and the second material receiving box are both mounted on the fixing frame.

Through adopting above-mentioned technical scheme, first electromagnetism roller and second electromagnetism roller adsorb the surface rotation of metallics to first receipts magazine and second receipts magazine in the back, when leaving first receipts magazine and second receipts magazine in will rotating, scrape the flitch by first scraping flitch and second and scrape down, fall into in the receipts magazine, reduce because of the metallics on first electromagnetism roller and second electromagnetism roller surface is too much, lead to the possibility that the adsorption efficiency of the two descends.

The present invention may be further configured in a preferred embodiment as: the first electromagnetic roller and the second electromagnetic roller respectively comprise an electromagnetic shaft, the electromagnetic shaft is provided with a plurality of electromagnetic plates in an array mode along the circumferential direction of the electromagnetic shaft, electromagnets are arranged between every two adjacent electromagnetic plates, the electromagnets and the surfaces of the electromagnetic plates are spliced into a circle, and the rotating shaft is fixedly connected with the electromagnetic shafts;

the utility model discloses a material collecting box, including pivot, electro-magnetic shaft, electro-magnetic sheet, pivot overcoat, fixing frame, fixing.

Through adopting above-mentioned technical scheme, the electromagnetism piece rotates along with the pivot, when the electromagnetism piece during with the electric slip ring butt, the electro-magnet circular telegram, produce the adsorption affinity, live the metallics in the material, when the electromagnetism piece is located first electric spout or second electric spout, the electro-magnet loses the electricity, the adsorption affinity disappears, the electro-magnet that corresponds this moment just is in first material receiving box or second material receiving box, metallics on the electro-magnet drops in first material receiving box or second material receiving box automatically, reduce first scraping flitch and second and scrape the metallics repetition of flitch scraping down and adsorbed the possibility on the electro-magnet.

The present invention may be further configured in a preferred embodiment as: the conveying device comprises a conveying belt and conveying rollers, the conveying rollers are arranged in an array along the length direction of the rack and are rotatably connected with the rack, and the conveying belt surrounds the conveying rollers;

one of the conveying rollers is driven by a third motor, and the third motor is arranged on the rack.

Through adopting above-mentioned technical scheme, the material after the absorption of first electromagnetism roller and second electromagnetism roller falls on the conveyer belt, is driven by the conveyer belt and transmits, and is swift convenient.

The present invention may be further configured in a preferred embodiment as: a sorting device is arranged at one end, away from the fixed frame, of the conveying belt and comprises a sorting plate which is arranged in an inclined mode, the sorting plate is installed on the ground through a support, and a material receiving box is arranged at one end, away from the conveying belt, of the sorting plate;

go to on the letter sorting board the collecting box is equipped with dust portion and fritter portion in proper order, the dust portion is gone up to gather has the dust hole, the below of dust portion is equipped with the dust box, the fritter portion is gone up to gather has the fritter hole, the below of fritter portion is equipped with the fritter box.

Through adopting above-mentioned technical scheme, the material on the drive belt falls on the letter sorting board, slides towards the collection box along the letter sorting board again, and comparatively tiny dust particle falls into the dust box from the dust hole in the material, and the fritter in the material then threatens and falls into the fritter box from the fritter, and remaining material then falls into the collection box, accomplishes the material letter sorting of right.

The present invention may be further configured in a preferred embodiment as: and a vibration motor is arranged on the side surface of the sorting plate.

Through adopting above-mentioned technical scheme, vibrating motor makes the material unanimous be in the state of beating for dust and the better quilt of fritter are sorted.

The present invention may be further configured in a preferred embodiment as: the sorting machine is characterized in that a baffle is arranged on the rack, three sides of the baffle, except one side facing the sorting plate, on the conveying belt are arranged, an anti-abrasion layer is arranged at the bottom of the baffle, and the anti-abrasion layer is abutted to the surface of the conveying belt.

By adopting the technical scheme, the materials are limited on the conveying belt, and the possibility that the materials are scattered in the conveying process is reduced.

The present invention may be further configured in a preferred embodiment as: the one end that is close to the letter sorting board in the frame is equipped with the tensioning roller, the tensioning roller is located in the conveyer belt, and with the inner wall butt of conveyer belt, the tensioning roller internal rotation is connected with the bull stick, the kidney slot has been seted up along its width direction's both sides in the frame, the both ends of bull stick respectively with two kidney slot sliding connection, the kidney slot is interior to be followed be equipped with the screw rod on the length direction of frame, the both ends of screw rod respectively with the both sides wall in kidney slot rotates to be connected, the screw rod with bull stick threaded connection, frame and fixedly connected with rotation head are worn out to the one end of screw rod.

Through adopting above-mentioned technical scheme, rotate and rotate the head, drive the screw rod and rotate, the screw rod drives the bull stick again and removes along the length direction of conveyer belt, and then realizes the regulation to the tensile force of conveyer belt, makes the conveyer belt remain the tensioning state all the time, promotes the conveying capacity of conveyer belt.

To sum up, the utility model discloses a following at least one useful technological effect:

1. through the arrangement of the first electromagnetic roller and the second electromagnetic roller, the effects of adsorbing metal substances in the material, separating the metal substances from the material, reducing the abrasion to grinding equipment during grinding, prolonging the service life of the grinding equipment and reducing the use cost of the grinding equipment can be achieved;

2. through the arrangement of the first material receiving box, the second material receiving box, the first scraping plate and the second scraping plate, the effects of scraping metal substances on the surfaces of the first electromagnetic roller and the second electromagnetic roller into the material receiving box and reducing the possibility of reduction of adsorption capacity of the first electromagnetic roller and the second electromagnetic roller due to excessive metal substances on the surfaces of the first electromagnetic roller and the second electromagnetic roller can be achieved;

3. through the setting of electromagnetism piece, electric slip ring, electric spout and electro-magnet, can play the control electro-magnet and get electric when needs adsorb, lose the electricity when not needing the adsorption affinity, realize the automatic effect of adsorbing and accomodating the metallics.

Drawings

Fig. 1 is a schematic structural diagram for embodying the whole in this embodiment.

Fig. 2 is a partially enlarged view of a portion a in fig. 1.

Fig. 3 is a partially enlarged view of a portion B in fig. 1.

Fig. 4 is a partially enlarged view of a portion C in fig. 1.

Fig. 5 is a schematic structural view for embodying the second electric chute, the second material receiving box, and the second scraper in this embodiment.

Fig. 6 is a partially enlarged view of a portion D in fig. 5.

In the figure, 1, a frame; 11. a kidney-shaped groove; 111. a screw; 1111. rotating the head; 12. a baffle plate; 121. an anti-wear layer; 13. a third motor; 2. a fixed mount; 21. a funnel; 22. a metal adsorption device; 221. a first electromagnetic roller; 2211. a rotating shaft; 2212. an electromagnetic shaft; 2213. an electromagnetic plate; 2214. an electromagnet; 2215. an electromagnetic sheet; 222. a second electromagnetic roller; 223. a first driving device; 2231. a first motor; 2232. a spur gear; 224. a first material receiving box; 2241. a first scraper plate; 225. a second material receiving box; 2251. a second scraper plate; 226. an electrical slip ring; 2261. a first electrical chute; 2262. a second electrical chute; 227. a second driving device; 2271. a second motor; 3. a conveying device; 31. a conveyor belt; 32. a conveying roller; 33. a tension roller; 331. a rotating rod; 4. a sorting device; 41. sorting plates; 411. a dust part; 4111. a dust box; 4112. dust holes; 412. a nub portion; 4121. fine block holes; 4122. a chip box; 413. a vibration motor; 42. and a material receiving box.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Example (b):

referring to the figure 1, the utility model discloses an effectual building rubbish recovery letter sorting equipment is retrieved to metal, including frame 1, fixedly connected with mount 2 on the frame 1, fixedly connected with funnel 21 on the mount 2 for the feeding, the below of funnel 21 is equipped with metal adsorption device 22, is used for adsorbing the metallic substance in the material. The frame 1 is provided with a conveying device 3 along the length direction thereof for conveying materials. The machine frame 1 is further provided with a sorting device 4 which is far away from the fixed frame 2 and is used for sorting the materials.

Referring to fig. 1 and 5, the metal adsorption device 22 includes first electromagnetic rollers 221 arranged oppositely along the length direction of the frame 1, the first electromagnetic rollers 221 are rotatably connected with the fixing frame 2 through a rotating shaft 2211, a feeding port is arranged between the two first electromagnetic rollers 221, and the feeding port is located below the hopper 21 and is used for passing through materials. The fixed frame 2 is provided with a first driving device 223 for driving the first electromagnet, the first driving device 223 comprises a first motor 2231, the first motor 2231 is fixedly connected to the fixed frame 2, an output shaft of the first motor 2231 is fixedly connected with one of the rotating shafts 2211, and the two rotating shafts 2211 are driven by straight gears 2232 which are meshed with each other, so that the two rotating shafts 2211 rotate along opposite directions.

Referring to fig. 1, the fixing frame 2 is further rotatably connected with a second electromagnetic roller 222 through a rotating shaft 2211 consistent with the above, the second electromagnetic roller 222 is located below the feeding port, and the material is fully scattered after falling on the second electromagnetic roller 222, so that the first electromagnetic roller 221 and the second electromagnetic roller 222 can adsorb metal substances conveniently. The fixing frame 2 is provided with a second driving device for driving the second electromagnetic roller 222, the second driving device 227 comprises a second motor 2271, the second motor 2271 is fixedly connected with the fixing frame 2, and an output shaft of the second motor 2271 is fixedly connected with the rotating shaft 2211 corresponding to the second electromagnetic roller 222.

Referring to fig. 2 and 6, the fixing frame 2 is fixedly connected with two first material receiving boxes 224 and two second material receiving boxes 225, and the two first material receiving boxes 224 are respectively sleeved on the opposite sides of the two first electromagnetic rollers 221 and are used for receiving metal substances adsorbed by the first electromagnetic rollers 221. The tops of the two first material receiving boxes 224 are fixedly connected with first scraping plates 2241, the two first scraping plates 2241 are respectively abutted to the surfaces of the two first electromagnetic rollers 221, and when the first electromagnetic rollers 221 rotate outwards from the inside of the first material receiving boxes 224, the first scraping plates 2241 scrape metal substances on the surfaces of the first electromagnetic rollers 221 into the first material receiving boxes 224. The second material receiving box 225 is disposed at the bottom of the second electromagnetic roller 222, a second scraping plate 2251 is disposed at one side of the second material receiving box 225, which is in the same direction as the rotation direction of the second electromagnetic roller 222, and the second scraping plate 2251 abuts against the surface of the second electromagnetic roller 222, so as to scrape the material on the second electromagnetic roller 222 when the second electromagnetic roller 222 rotates from the inside of the second material receiving box 225 to the outside.

Referring to fig. 2 and 3, each of the first electromagnetic roller 221 and the second electromagnetic roller 222 includes an electromagnetic shaft 2212, the electromagnetic shaft 2212 includes four electromagnetic plates 2213 arranged along a circumferential direction thereof, the electromagnetic plates 2213 are integrally formed with the electromagnetic shaft 2212, and an electromagnet 2214 is bonded between adjacent electromagnetic plates 2213 for generating an electromagnetic force to attract a metal substance. The electromagnet 2214 is matched with the surface of the electromagnet plate 2213 to form a circle, and the electromagnet shaft 2212 is fixedly connected with the rotating shaft 2211, so that the electromagnet shaft 2212 rotates along with the rotating shaft 2211. The side surface of the end of the rotating shaft 2211 far away from the electromagnetic shaft 2212 is fixedly connected with four electromagnetic sheets 2215, the number of the electromagnetic sheets 2215 is four along the circumferential direction of the electromagnetic shaft 2212, and the electromagnetic sheets 2215 are electrically connected with the corresponding electromagnets 2214. Three electric slip ring 226 of fixedly connected with on the mount 2, three electric slip ring 226 overlaps respectively outside three pivot 2211 is located, and electric slip ring 226 switch on power supply, the inner wall and the electromagnetism piece 2215 butt of electric slip ring 226 for electromagnetism piece 2215 circular telegram, and then make electro-magnet 2214 get electric, produce the electromagnetic force.

Referring to fig. 3 and 6, the first electric sliding grooves 2261 are formed in the electric sliding rings 226 of the two first electromagnetic rollers 221, the second electric sliding grooves 2262 are formed in the bottoms of the electric sliding rings 226 of the second electromagnetic rollers 222, and when the electromagnetic sheet 2215 rotates along with the corresponding rotating shaft 2211 and is located in the first electric sliding grooves 2261 or the second electric sliding grooves 2262, the electromagnetic sheet 2215 is powered off, and the corresponding electromagnet 2214 is powered off. The projection of the electromagnetic sheet 2215 along the axial direction of the rotating shaft 2211 is located in the electromagnet 2214, the projection of the first electric sliding groove 2261 along the axial direction of the rotating shaft 2211 is located in the first material receiving box 224, and the projection of the second electric sliding groove 2262 along the axial direction of the rotating shaft 2211 is located in the second material receiving box 225, so when the electromagnet 2214 is powered off, the electromagnet is just located in the corresponding material receiving box 42, and metal substances on the surface of the electromagnet 2214 can directly fall into the corresponding material receiving box 42. The width of the first material receiving box 224 is slightly larger than the radius of the first electromagnetic roller 221, so that the possibility that metal substances fall out of the first material receiving box 224 when the electromagnet 2214 loses power is reduced. The width of the second material receiving box 225 is slightly smaller than the diameter of the second electromagnetic roller 222, so that the possibility that the materials falling on the second electromagnetic roller 222 fall into the second material receiving box 225 is reduced.

Referring to fig. 1 and 5, the conveying device 3 includes a conveying belt 31 and conveying rollers 32, the conveying rollers 32 are arranged in an array along the length direction of the rack 1 and rotatably connected to the rack 1, and the conveying belt 31 surrounds the plurality of conveying rollers 32 and is located below the fixing frame 2 to receive the material falling from the second electromagnetic roller 222. Still fixedly connected with third motor 13 on the frame 1, the output shaft and one of them transfer roller 32 fixed connection of third motor 13, when third motor 13 drove transfer roller 32 and rotates, transfer roller 32 relied on and the conveyer belt 31 transmission of the frictional force drive conveyer belt 31 between 31.

Referring to fig. 4, in order to maintain a high frictional force between the conveyor belt 31 and the conveyor roller 32, a tension roller 33 is provided at one end of the frame 1 adjacent to the sorting plate 41. The tensioning roller 33 is located in the conveyor belt 31 and is abutted against the inner wall of the conveyor belt 31, the rotating rod 331 is rotatably connected in the tensioning roller 33, the two sides of the rack 1 in the width direction are provided with the kidney-shaped grooves 11, and two ends of the rotating rod 331 are respectively connected with the two kidney-shaped grooves 11 in a sliding manner. The end face, facing the sorting device 4, of the rack 1 is provided with a screw 111 in a penetrating manner, the screw 111 and the kidney-shaped groove 11 are connected in a rotating manner along two side walls in the length direction of the rack 1, the screw 111 is in threaded connection with the rotating rod 331, and the part, outside the rack 1, of the screw 111 is fixedly connected with a rotating head 1111. The rotating head 1111 is rotated to drive the screw 111 to rotate, and the screw 111 drives the rotating rod 331 to move along the length direction of the rack 1, so as to adjust the tension of the conveyor belt 31 and ensure the conveying capacity of the conveyor belt 31. In order to reduce the possibility that the materials are separated from the conveyor belt 31 in the conveying process, a baffle plate 12 (refer to fig. 1) is fixedly connected to the frame 1, the baffle plate 12 is arranged on three sides of the conveyor belt 31 except one side facing the sorting device 4, an anti-abrasion layer 121 is adhered to the bottom of the baffle plate 12, and the anti-abrasion layer 121 is abutted to the surface of the conveyor belt 31 to reduce the possibility that the baffle plate 12 is worn. The wear-resistant layer 121 may be made of wear-resistant rubber.

Referring to fig. 1 and 4, the sorting apparatus 4 includes a sorting plate 41 disposed obliquely, and the sorting plate 41 is installed on the ground by brackets located at four corner points of the sorting plate 41. The sorting plate 41 is sequentially provided with a dust part 411 and a fine block part 412 in the direction away from the conveyor belt 31, dust holes 4112 are densely distributed in the dust part 411 and used for allowing dust to pass through, and a dust box 4111 is arranged below the dust part 411 and used for containing dust. The nubby portion 412 has nubby holes 4121 densely distributed therein for the nubs to pass through, and a nubby box 4122 below the nubby portion 412 for receiving the nubs. And a material receiving box 42 is arranged at one end of the sorting plate 41 far away from the conveyor belt 31 and is used for receiving the rest materials. The materials in the dust box 4111 and the nubbin 4122 can be recycled for construction, while the materials in the material receiving box 42 need to be ground and pulverized. The vibrating motor 413 is installed on the side face of the sorting plate 41, and the vibrating motor 413 can enable the sorting plate 41 to be in a vibrating state, so that dust and fine lumps are enabled to be in a jumping state all the time, and the dust and the fine lumps can fall into the dust box 4111 and the fine lump box 4122 conveniently.

The implementation process of the embodiment is as follows: the material is put into from funnel 21, passes two first electromagnetic roller 221 and falls on second electromagnetic roller 222, because first electromagnetic roller 221 and second electromagnetic roller 222 are all in the rotating condition, so can fully break up the material, be convenient for separate the metallic substance in the material. The material then falls onto the conveyor belt 31, is conveyed by the conveyor belt 31 onto the sorting plate 41, and is sorted in turn into the dust box 4111, the slug box 4122, and the receiving box 42.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides an effectual construction waste retrieves letter sorting equipment is retrieved to metal, includes frame (1), its characterized in that: a fixing frame (2) is arranged on the rack (1), a metal adsorption device (22) is arranged on the fixing frame (2), the metal adsorption device (22) comprises first electromagnetic rollers (221) which are oppositely arranged along the length direction of the rack (1), a feeding port is arranged between the two first electromagnetic rollers (221), and the two first electromagnetic rollers (221) are driven by a first driving device (223);

still rotate on mount (2) and be connected with second electromagnetism roller (222), second electromagnetism roller (222) are located the below of pan feeding mouth, first electromagnetism roller (221) with second electromagnetism roller (222) respectively through pivot (2211) with mount (2) rotate and are connected, second electromagnetism roller (222) are through second drive arrangement (227) drive.

2. The construction waste recycling and sorting device with good metal recycling effect as claimed in claim 1, wherein: a first material receiving box (224) is sleeved on one side, opposite to each other, of each of the two first electromagnetic rollers (221), the width of each first material receiving box (224) is larger than the radius of each first electromagnetic roller (221), first scraping plates (2241) are arranged on the tops of the two first material receiving boxes (224), and the two first scraping plates (2241) are respectively abutted to the surfaces of the two first electromagnetic rollers (221);

the bottom of the second electromagnetic roller (222) is sleeved with a second material receiving box (225), the width of the second material receiving box (225) is smaller than the diameter of the second electromagnetic roller (222), a second scraping plate (2251) is arranged on one side, in the rotation direction of the second material receiving box (225) and the rotation direction of the second electromagnetic roller (222), of the second material receiving box (225), the second scraping plate (2251) is abutted to the surface of the second electromagnetic roller (222), and the first material receiving box (224) and the second material receiving box (225) are both mounted on the fixing frame (2).

3. The construction waste recycling and sorting device with good metal recycling effect as claimed in claim 2, wherein: the first electromagnetic roller (221) and the second electromagnetic roller (222) both comprise electromagnetic shafts (2212), a plurality of electromagnetic plates (2213) are arrayed on the electromagnetic shafts (2212) along the circumferential direction of the electromagnetic shafts, electromagnets (2214) are arranged between every two adjacent electromagnetic plates (2213), the electromagnets (2214) and the surfaces of the electromagnetic plates (2213) are spliced into a circle, and the rotating shafts (2211) are fixedly connected with the electromagnetic shafts (2212);

the side face, away from the one end of the electromagnetic shaft (2212), of the rotating shaft (2211) is provided with electromagnetic sheets (2215), the electromagnetic sheets (2215) are arranged along the circumferential array of the electromagnetic shaft (2212), the electromagnetic sheets (2215) are consistent with the electromagnets (2214) in number, the electromagnetic sheets (2215) are electrically connected with the corresponding electromagnets (2214) and located at the same axial position, an electric slip ring (226) is sleeved outside the rotating shaft (2211), the electric slip ring (226) is powered on, the electric slip ring (226) is fixedly connected with the fixing frame (2), the inner wall of the electric slip ring (226) is abutted to the electromagnetic sheets (2215), two first electric sliding grooves (2261) are arranged on the electric slip ring (226) of the first electromagnetic roller (221), and the axial projection of the rotating shaft (2211) is located in the first material receiving box (224), a second electric sliding groove (2262) is formed in the electric sliding ring (226) on the second electromagnetic roller (222), and the projection of the second electric sliding groove (2262) along the axial direction of the rotating shaft (2211) is located in the second material receiving box (225).

4. The construction waste recycling and sorting device with good metal recycling effect as claimed in claim 3, wherein: the conveying device (3) is further arranged on the rack (1), the conveying device (3) comprises a conveying belt (31) and conveying rollers (32), the conveying rollers (32) are arranged in an array along the length direction of the rack (1) and are rotatably connected with the rack (1), and the conveying belt (31) surrounds the conveying rollers (32);

one of the conveying rollers (32) is driven by a third motor (13), and the third motor (13) is installed on the rack (1).

5. The construction waste recycling and sorting device with good metal recycling effect as claimed in claim 4, wherein: a sorting device (4) is arranged at one end, far away from the fixed frame (2), of the conveyor belt (31), the sorting device (4) comprises a sorting plate (41) which is obliquely arranged, the sorting plate (41) is installed on the ground through a support, and a material receiving box (42) is arranged at one end, far away from the conveyor belt (31), of the sorting plate (41);

the sorting plate (41) is sequentially provided with a dust part (411) and a fine block part (412) towards the collecting box (42), dust holes (4112) are densely distributed in the dust part (411), a dust box (4111) is arranged below the dust part (411), fine block holes (4121) are densely distributed in the fine block part (412), and a fine block box (4122) is arranged below the fine block part (412).

6. The construction waste recycling and sorting device with good metal recycling effect as claimed in claim 5, wherein: and a vibration motor (413) is arranged on the side surface of the sorting plate (41).

7. The construction waste recycling and sorting device with good metal recycling effect as claimed in claim 6, wherein: be equipped with baffle (12) on frame (1), baffle (12) are located on conveyer belt (31) except that orientation the outer three sides of one side of letter sorting board (41), the bottom of baffle (12) is equipped with abrasionproof layer (121), abrasionproof layer (121) with the surface butt of conveyer belt (31).

8. The construction waste recycling and sorting device with good metal recycling effect as claimed in claim 7, wherein: one end that is close to letter sorting board (41) in frame (1) is equipped with tensioning roller (33), tensioning roller (33) are located in conveyer belt (31), and with the inner wall butt of conveyer belt (31), tensioning roller (33) internal rotation is connected with bull stick (331), kidney slot (11) have been seted up along its width direction's both sides in frame (1), the both ends of bull stick (331) respectively with two kidney slot (11) sliding connection, follow in kidney slot (11) be equipped with screw rod (111) on the length direction of frame (1), the both ends of screw rod (111) respectively with the both sides wall rotation of kidney slot (11) is connected, screw rod (111) with bull stick (331) threaded connection, frame (1) and fixedly connected with rotation head (1111) are worn out to the one end of screw rod (111).