CN113996536A

CN113996536A - Building engineering waste recovery device

Info

Publication number: CN113996536A
Application number: CN202111317058.5A
Authority: CN
Inventors: 田世杰; 王金平; 潘沈阳; 王宝凯; 贤振涛
Original assignee: Zhongqi Jiaojian Group Corp Ltd
Current assignee: Zhongqi Jiaojian Group Corp Ltd
Priority date: 2021-11-09
Filing date: 2021-11-09
Publication date: 2022-02-01
Anticipated expiration: 2041-11-09
Also published as: CN113996536B

Abstract

The invention discloses a construction engineering waste recovery device, which relates to the technical field of construction engineering waste recovery, and has the technical scheme that the device comprises a jaw crusher, a jaw crusher and a waste collecting device, wherein the jaw crusher is used for crushing construction waste; the screening box is communicated up and down, the jaw crusher is fixed at the top of the screening box, and waste materials crushed by the jaw crusher fall into the screening box; the net wire separating device is arranged on the screening box and is used for entering the screening box; the screening box is arranged at one end of the conveyor belt and is fixedly connected to the top of the conveyor belt frame body, and waste materials in the screening box fall to the top of the conveyor belt; the reinforcing steel bar separating device is arranged on the conveyor belt and is used for separating the reinforcing steel bars in the waste materials sent out by the conveyor belt; and separating the mesh wire and the reinforcing steel bars from the waste materials through the mesh wire separating device and the reinforcing steel bar separating device.

Description

Building engineering waste recovery device

Technical Field

The invention relates to the technical field of construction engineering waste recovery, in particular to a construction engineering waste recovery device.

Background

In the middle of the building field, no matter can produce various building engineering wastes material in the middle of the construction or demolition of old and useless building, contain concrete, reinforcing bar, fragment of brick and plastic net line etc. among these building engineering wastes material, these building engineering are mostly all mixed together, in order to realize saving of resource, mostly need retrieve the recycle to building waste material.

When the construction waste is recycled, the construction waste needs to be divided into concrete bricks, reinforcing steel bars and plastic net lines, but most of the existing construction waste is mixed together, and when the construction waste is recycled, the concrete, the reinforcing steel bars and the plastic net lines are difficult to be separated.

Disclosure of Invention

In view of the defects in the prior art, the invention aims to provide a construction engineering waste recycling device, which separates the mesh wires and the reinforcing steel bars in the waste through a mesh wire separating device and a reinforcing steel bar separating device.

In order to achieve the purpose, the invention provides the following technical scheme: a construction engineering waste recovery device comprises a jaw crusher, a waste collecting device and a waste recycling device, wherein the jaw crusher is used for crushing construction waste;

the screening box is communicated up and down, the jaw crusher is fixed at the top of the screening box, and waste materials crushed by the jaw crusher fall into the screening box;

the net wire separating device is arranged on the screening box and is used for separating out the net wires entering the screening box;

the screening box is arranged at one end of the conveyor belt and is fixedly connected to the top of the conveyor belt frame body, and waste materials in the screening box fall to the top of the conveyor belt;

and a reinforcing bar separating device which is arranged on the conveyor belt and is used for separating the reinforcing bars in the waste material sent out by the conveyor belt.

Through adopting above-mentioned technical scheme, through net twine separator and reinforcing bar separator respectively with net twine and reinforcing bar among the engineering waste material isolate, can realize the separation of concrete brick piece, net twine and reinforcing bar.

The invention is further configured to: one side of the screening box is provided with a through hole which penetrates through the side wall of the screening box;

the net wire separating device comprises a rotating shaft, the axis of the rotating shaft is horizontal and is rotationally connected to the screening box, and the rotating shaft is positioned in the through hole;

the separating rod is arranged outside the rotating shaft, and when one end of the separating rod, which is far away from the rotating shaft, is positioned in the screening box, one end of the separating rod, which is far away from the rotating shaft, rotates upwards;

and the collecting box is fixedly connected to the outer wall of the screening box and positioned below the through hole, and when one end of the separating rod, which deviates from the rotating shaft, is positioned outside the screening box, the separating rod is positioned above the collecting box.

Through adopting above-mentioned technical scheme, the in-process that the release lever upwards rotated in the collecting box is chosen and the hook is to the release lever on the net twine in the middle of with engineering waste material, when the release lever rotated to the screening case outside and the release lever deviates from pivot one end downward sloping, the net twine slippage downwards was in the middle of the collecting box.

The invention is further configured to: the outer side of the separation rod is rotatably connected with a plurality of hooking rods, and when the separation rod is positioned in the screening box, one ends of the hooking rods, which are far away from the separation rod, incline towards the direction close to the rotating shaft;

when the release lever rotated outside the screening case, the one end orientation that the hook lever deviates from the release lever inclined away from the direction of pivot.

Through adopting above-mentioned technical scheme, through setting up pivoted hook pole, the release lever can be easier in the upwards pivoted of screening case on with net twine hook to the release lever to when the release lever rotates to the screening case outside and the release lever deviates from pivot one end downward sloping, the hook pole is difficult to stop net twine and slides downwards.

The invention is further configured to: the utility model discloses a separation pole, including pivot outside fixed cover, hook rod, fixed cover outside the pivot fixedly connected with a plurality of fixed covers with the separation pole one-to-one, fixed cover is established in the separation pole outside that corresponds, and the hook rod passes from fixed cover, and the separation pole can slide along separation pole length direction in the middle of fixed cover, and the hook rod can be fixed cover relatively and rotate and can be fixed cover relatively and slide, and the hook rod is fixed for fixed cover position with the rotation axis of fixed cover.

The invention is further configured to: a plurality of accommodating grooves which are in one-to-one correspondence with the separating rods are formed in the outer sides of the separating rods, and one ends of the hook rods, which are close to the separating rods, are inserted into the accommodating grooves;

two coaxial rotating rods which are rotatably connected to the separating rod are fixedly connected to the two sides of the hook rod.

The invention is further configured to: a plurality of yielding holes which are in one-to-one correspondence with the separating rods are formed in the outer side of the fixing sleeve, the yielding holes penetrate through the fixing sleeve, and the separating rods penetrate through the corresponding yielding holes;

two sliding grooves are formed in the two sides of the separating rod, the length direction of the sliding grooves is arranged along the length direction of the separating rod, and two fixing shafts which are respectively inserted into the two sliding grooves are fixedly connected to the hole walls of the two sides of the abdicating hole.

Through adopting above-mentioned technical scheme, through setting up dwang and fixed axle, can come the slope direction that control hook lever deviates from release lever one end through the slip of release lever.

The invention is further configured to: the hook rod is arranged on one side of the separation rod facing to the rotating direction.

Through adopting above-mentioned technical scheme, meet the rotation direction one side with the hook pole setting at the release lever for the hook pole is following the release lever pivoted time, and is easier withnet twine hook in the middle of the waste material is lived.

The invention is further configured to: the rotating shaft is provided with a round hole which penetrates through the rotating shaft along the axis of the rotating shaft, and the round hole is coaxial with the rotating shaft; the pivot endotheca is equipped with a dead lever, and the dead lever divide into the extension that is located pivot axis both sides respectively and contracts the portion, and when the separator bar was close to pivot one end and the laminating of extension, the separator bar was located the screening incasement side, and when the separator bar was close to pivot one end and retracted the portion contact, the separator bar was located the screening incasement side.

The invention is further configured to: the utility model discloses a separation pole, including fixed cover, separation pole, fixed block, and elastic element, and the separation pole is provided with one in the sliding block, and the separation pole is close to the direction of the rotation axis.

Through adopting above-mentioned technical scheme, through setting up dead lever and elastic component, the hook direction of hook peg is controlled in fixed cover pivoted in-process.

The invention is further configured to: the steel bar separating device comprises a frame body which is erected on the conveying belt;

the sliding seat can slide on the frame body, and the sliding direction of the sliding seat is horizontal and vertical to the conveying direction of the conveying belt;

and the electromagnetic chuck is fixed at the bottom of the sliding seat.

In summary, compared with the prior art, the invention has the following beneficial effects:

1. according to the invention, the net wires and the reinforcing steel bars in the engineering waste are separated by the net wire separating device and the reinforcing steel bar separating device respectively, so that the separation of concrete bricks, the net wires and the reinforcing steel bars can be realized;

2. according to the invention, the rotating hook rod is arranged, the separation rod can more easily hook the net wire to the separation rod when rotating upwards in the screening box, and when the separation rod rotates to the outer side of the screening box and the separation rod inclines downwards away from one end of the rotating shaft, the hook rod is not easy to block the net wire from sliding downwards;

3. according to the invention, the rotating rod and the fixed shaft are arranged, so that the inclination direction of the hook rod departing from one end of the separating rod can be controlled through the sliding of the separating rod;

4. the invention controls the hooking direction of the hooking rod in the rotating process of the fixed sleeve by arranging the fixed rod and the elastic piece;

5. the electromagnetic chuck is arranged, so that the steel bars can be conveniently adsorbed and separated.

Drawings

FIG. 1 is a schematic view of the overall structure of the embodiment;

FIG. 2 is an enlarged view of portion A of FIG. 1;

FIG. 3 is a schematic view of a wire separation device according to an embodiment;

FIG. 4 is a cross-sectional view of a wire separation device of an embodiment;

FIG. 5 is an enlarged view of the portion B of FIG. 4;

FIG. 6 is a schematic view of a hooking rod of an embodiment;

FIG. 7 is a schematic diagram of an embodiment embodying a yielding hole;

FIG. 8 is a sectional view of an embodiment embodying a sliding groove;

fig. 9 is an enlarged schematic view of the portion C of fig. 8.

In the figure: 1. a jaw crusher; 2. a screening box; 21. a through hole; 22. a fixed box; 3. a network cable separation device; 31. a rotating shaft; 311. a circular hole; 32. a separating lever; 321. accommodating grooves; 322. a sliding groove; 323. a spring; 33. hooking a rod; 34. fixing a sleeve; 341. a hole of abdication; 342. a fixed shaft; 343. a fixed block; 35. fixing the rod; 351. a protruding portion; 352. a retraction section; 4. a conveyor belt; 5. a steel bar separating device; 51. a frame body; 52. a sliding seat; 53. an electromagnetic chuck; 54. a recycling bin; 6. a collection box; 7. and discharging the material plate.

Detailed Description

In order to make the technical solutions of the present invention better understood, the following description of the technical solutions of the present invention with reference to the accompanying drawings of the present invention is made clearly and completely, and other similar embodiments obtained by a person of ordinary skill in the art without any creative effort based on the embodiments in the present application shall fall within the protection scope of the present application. In addition, directional terms such as "upper", "lower", "left", "right", etc. in the following embodiments are directions with reference to the drawings only, and thus, the directional terms are used for illustrating the present invention and not for limiting the present invention.

The invention is further described with reference to the drawings and the preferred embodiments.

Example (b): a construction waste recycling device, referring to the attached drawings 1-9, comprises a jaw crusher 1 for crushing construction waste, a screening box 2 fixedly connected to the bottom of the jaw crusher 1 and penetrating up and down, a net wire separating device 3 arranged on the screening box 2 and used for separating net wires in the waste, a conveyor belt 4 arranged at the bottom of the screening box 2, and a steel bar separating device 5 arranged on the conveyor belt 4 and used for separating steel bars in the waste sent out from the conveyor belt 4. Specifically, construction waste after jaw breaker 1 is broken falls in the middle of screening case 2, then falls on conveyer belt 4 after the separation of net twine separator 3 in the middle of screening case 2, and conveyer belt 4 conveys construction waste from screening case 2 below, and reinforcing bar separator 5 separates the reinforcing bar from construction waste when later construction waste passes through reinforcing bar separator 5.

Specifically, a through hole 21 penetrating through the side wall of the screening box 2 is formed in one side of the screening box 2, and the network cable separating device 3 comprises a rotating shaft 31 rotatably connected to the screening box 2, a plurality of separating rods 32 arranged outside the rotating shaft 31, and a collecting box 6 fixedly connected to the outer wall of the screening box 2 and located below the through hole 21; specifically, the cross section of the screening box 2 is rectangular, the axis of the rotating shaft 31 is horizontal and parallel to the side wall of the screening box 2 with the through hole 21, and the rotating shaft 31 is located in the through hole 21. When the separation rod 32 rotates to the inside of the screening box 2 along with the rotating shaft 31, one end of the separation rod 32 departing from the rotating shaft 31 rotates upwards, and when the separation rod 32 rotates to the outside of the screening box 2, the separation rod 32 is positioned right above the collection box 6. Specifically, the construction waste after being crushed by the jaw crusher 1 passes between the separation rods 32 rotated into the collection box 6 after falling to the screen box 2.

When the construction waste after the jaw crusher 1 is crushed falls to the screening box 2, the construction waste falls along the screening box 2, in the middle of the process that the construction waste falls, the separation rod 32 rotating into the screening box 2 upwards hooks the netting twine in the waste onto the separation rod 32 in the middle of the process that the separation rod 32 rotates, so that the netting twine is separated from the waste, and when the separation rod 32 rotates to the outer side of the screening box 2, the netting twine hooked on the separation rod 32 falls off from the separation rod 32 and falls into the collection box 6.

Specifically, a plurality of hook rods 33 are rotatably connected to the outer side of the separation rod 32, and when the separation rod 32 is located in the screening box 2, one end of the hook rod 33, which is far away from the separation rod 32, is inclined toward the direction close to the rotating shaft 31; when the separation lever 32 is rotated to the outside of the screen box 2, an end of the hooking lever 33 facing away from the separation lever 32 is inclined in a direction away from the rotation shaft 31.

Set up hook rod 33 and deviate from the direction slope that separation rod 32 one end orientation was close to pivot 31 of hook rod 33 when separation rod 32 was located screening case 2 for when the waste material whereabouts in screening case 2, hook rod 33 can be easier with the net twine hook on separation rod 32. When the separation lever 32 is rotated out of the screen box 2, an end of the hooking lever 33 facing away from the separation lever 32 is inclined toward a direction away from the rotation shaft 31, so that the hooking lever 33 does not hinder the fall of the wire on the separation lever 32.

Specifically, a plurality of fixing sleeves 34 corresponding to the separating rods 32 one by one are fixedly connected to the outer side of the rotating shaft 31, the fixing sleeves 34 are sleeved on the outer sides of the corresponding separating rods 32, and the hook hanging rods 33 on the separating rods 32 penetrate through the fixing sleeves 34 on the outer sides of the separating rods 32. Specifically, the length direction of the separation rod 32 is arranged along the radial direction of the rotating shaft 31, and the length direction of the fixing sleeve 34 sleeved on the outer side of the separation rod 32 is the same as the length direction of the separation rod 32. Specifically, the separation rod 32 can slide in the fixing sleeve 34 along the length direction of the separation rod 32, the hook rod 33 can rotate relative to the fixing sleeve 34 and can slide relative to the fixing sleeve 34, and the rotation axis of the hook rod 33 on the fixing sleeve 34 is fixed relative to the fixing sleeve 34.

Specifically, a plurality of holding grooves 321 corresponding to the separating rods 32 one to one are formed in the outer side of the separating rod 32, one end, close to the separating rod 32, of the hook rod 33 is inserted into the holding grooves 321, two rotating rods which are coaxially and rotatably connected to the separating rod 32 are fixedly connected to two sides of the hook rod 33, and the axis of each rotating rod is perpendicular to the length direction of the separating rod 32. Specifically, a plurality of yielding holes 341 corresponding to the separating rods 32 one by one are formed in the outer side of the fixing sleeve 34, the yielding holes 341 penetrate through the side wall of the fixing sleeve 34, the separating rods 32 penetrate through the corresponding yielding holes 341, two sliding grooves are formed in the two sides of the separating rods 32 and are arranged along the length direction of the separating rods 32, and two fixing shafts 342 inserted into the two sliding grooves are fixedly connected to the hole walls of the two sides of the yielding holes 341 respectively.

Through the arrangement of the fixed shaft 342 and the sliding chute, when the separation rod 32 slides towards the direction far away from the rotating shaft 31, one end of the hook rod 33 connected with the separation rod 32 slides towards the direction far away from the rotating shaft 31 along with the separation rod 32, and the fixed shaft 342 and the sliding chute are matched in the sliding process, so that one end of the hook rod 33 far away from the separation rod 32 rotates towards the direction close to the rotating shaft 31; when the separation lever 32 rotates toward the direction approaching the rotation shaft 31, the end of the hooking lever 33 connected to the separation lever 32 slides along with the separation lever 32 toward the direction approaching the rotation shaft 31, and in the sliding process, the fixed shaft 342 and the sliding groove are matched, so that the end of the hooking lever 33 departing from the separation lever 32 rotates toward the direction away from the rotation shaft 31.

Specifically, the hook rod 33 is arranged on one side of the separation rod 32 facing the rotation direction, and when the separation rod 32 rotates into the screening box 2, the hook rod 33 on the separation rod 32 is just positioned on one side facing the construction waste, so that the net twine can be hooked by the hook rod 33 on the separation rod 32 more easily.

Specifically, a circular hole 311 penetrating through the rotating shaft 31 along the axis of the rotating shaft 31 is formed in the rotating shaft 31, and the circular hole 311 is coaxial with the rotating shaft 31; a fixed rod 35 is arranged in the rotating shaft 31, the fixed rod 35 is divided into a protruding part 351 and a retracting part 352 which are respectively positioned at two sides of the axis of the rotating shaft 31, and the distance between the outer side of the protruding part 351 and the rotating shaft 31 is greater than the distance between the outer side of the retracting part 352 and the rotating shaft 31; when one end of the separation rod 32 close to the rotating shaft 31 is attached to the extension part 351, the separation rod 32 is positioned inside the screening box 2 and one end of the hook rod 33 on the separation rod 32, which is far away from the separation rod 32, inclines towards the direction close to the rotating shaft 31; when the end of the separation lever 32 close to the rotation shaft 31 abuts on the outside of the retraction portion 352, the separation lever 32 is located on the outside of the screen box 2 and the end of the hooking lever 33 on the separation lever 32 away from the separation lever 32 is inclined in a direction away from the rotation shaft 31.

Specifically, the connection between the outside of the protruding portion 351 and the outside of the retracting portion 352 is smoothly arranged, so that the end of the separating rod 32 close to the rotating shaft 31 can be more smoothly rotated from the outside of the protruding portion 351 to the outside of the retracting portion 352. Specifically, at least one sliding groove 322 arranged along the length direction of the rotating shaft 31 is formed in the outer side of the separating rod 32, a fixing block 343 fixedly connected to the inner side of the fixing sleeve 34 is arranged in the sliding groove 322, the fixing block 343 can slide along the length direction of the fixing sleeve 34 in the sliding groove 322, and an elastic part for pushing the separating rod 32 to slide towards the direction close to the rotating shaft 31 is arranged in the sliding groove 322. Through setting up the elastic component, can make the release lever 32 be close to the one end laminating of pivot 31 in the outside of pivot 31 dead lever 35 to make release lever 32 carry out the pivoted in-process following pivot 31, just can realize the slip of release lever 32 in fixed cover 34.

Specifically, the elastic member is a spring 323, and two ends of the spring 323 are respectively and fixedly connected to a side of the fixing block 343 away from the rotating shaft 31 and a side wall of one end of the sliding groove 322 away from the rotating shaft 31. Specifically, one end of the separation rod 32 close to the rotating shaft 31 is disposed in a semi-spherical shape, and the arc-shaped portion is attached to the outer side of the fixing rod 35.

Specifically, the rotating shaft 31 penetrates through two side walls of the screening box 2, two fixed boxes 22 are fixedly connected to the outer sides of the two side walls, penetrated through by the rotating shaft 31, of the screening box 2, and two ends of the fixed rod 35 respectively extend out of two ends of the rotating shaft 31 and are respectively and fixedly connected to the two fixed boxes 22. The fixed box 22 is fixedly connected with a motor for driving the rotating shaft 31 to rotate, the outer side of the rotating shaft 31 is fixedly connected with a gear, and the motor drives the rotating shaft 31 to rotate in a gear transmission mode.

Specifically, the fixing sleeves 34 are divided into a plurality of groups, a plurality of groups of fixing sleeves 34 are arranged along the axis direction of the rotating shaft 31, and a plurality of fixing sleeves 34 in the same group are arranged around the axis of the rotating shaft 31; screening case 2 is provided with a plurality of flitchs 7 down of fixedly connected with on the lateral wall of through-hole 21, and flitch 7 and screening case 2 are provided with lateral wall one side mutually perpendicular down, and the axis of pivot 31 is close to at the top of flitch 7 down, and collecting box 6 sets up the below at flitch 7 down. A blanking plate 7 is arranged between two adjacent groups of fixing sleeves 34, the blanking plate 7 is a right-angled triangle plate, a right-angled edge of the blanking plate 7 is fixed on the screening box 2, the other right-angled edge is horizontal and is positioned at the bottom of the blanking plate 7, and specifically, two side edges of the blanking plate 7 can be respectively contacted with one side, close to each other, of the two fixing sleeves 34 at two sides of the blanking plate 7; when the two sets of fixing sleeves 34 on both sides of the blanking plate 7 rotate downwards from both sides of the blanking plate 7, the inclined surface of the blanking plate 7 can push the wires on the fixing sleeves 34 to slide downwards along the inclined surface, so that the auxiliary wires are separated from the fixing sleeves 34 and fall into the collection box 6.

Specifically, the steel bar separating device 5 comprises a frame body 51 erected on the conveyor belt 4, a sliding seat 52 arranged on the frame body 51 and capable of sliding on the frame body 51, and an electromagnetic chuck 53 fixedly connected to the bottom of the sliding seat 52; specifically, the sliding direction of the slide base 52 is horizontal and perpendicular to the conveying direction of the conveyor belt 4. When the electromagnetic chuck 53 slides to the upper side of the conveyor belt 4 along with the sliding seat 52, the electromagnetic chuck 53 is powered on, so that the reinforcing steel bars in the waste material at the top of the conveyor belt 4 are sucked up by the magnetic force of the electromagnetic chuck 53 and are adsorbed on the electromagnetic chuck 53, and the separation of the reinforcing steel bars in the waste material is realized.

Specifically, the frame body 51 is rotatably connected with a lead screw, the axis of which is arranged along the sliding direction of the sliding seat 52, the lead screw penetrates through the sliding seat 52 along the axis direction of the lead screw and is in threaded connection with the sliding seat 52, and the sliding of the sliding seat 52 on the frame body 51 is driven by the rotation of the lead screw. The frame body 51 is fixedly connected with a motor which drives the screw rod to rotate, and the motor is a servo motor.

Specifically, the steel bar separating device 5 further comprises a recycling bin 54 located below the frame body 51 and located on one side of the conveyor belt 4, the steel bars adsorbed on the electromagnetic chuck 53 move to the top of the recycling bin 54 along with the electromagnetic chuck 53, and then the electromagnetic chuck 53 is powered off, so that the electromagnetic chuck 53 loses magnetic force, and the steel bars at the bottom of the electromagnetic chuck 53 fall into the recycling bin 54 under the action of self gravity.

Specifically, the two steel bar separating devices 5 are arranged along the conveying direction of the conveying belt 4, when the electromagnetic chuck 53 of one steel bar separating device 5 is about to adsorb the full steel bars, the other electromagnetic chuck 53 slides to the upper side of the conveying belt 4, and after the waste materials at the top of the conveying belt 4 between the two electromagnetic chucks 53 are the construction waste materials separated by the electromagnetic chuck 53, the electromagnetic chuck 53 adsorbing the full steel bars moves to the top of the recycling box 54 to convey the steel bars to the recycling box 54.

The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.

Claims

1. The utility model provides a building engineering waste recovery device which characterized in that: comprises a jaw crusher (1) for crushing construction waste;

the screening box (2) is communicated up and down, the jaw crusher (1) is fixed at the top of the screening box (2), and waste materials crushed by the jaw crusher (1) fall into the screening box (2);

a net wire separating device (3) which is arranged on the screening box (2) and is used for separating out the net wire entering the screening box (2);

the screening box (2) is arranged at one end of the conveyor belt (4) and is fixedly connected to the top of a frame body (51) of the conveyor belt (4), and waste materials in the screening box (2) fall to the top of the conveyor belt (4);

and a reinforcing steel bar separating device (5) which is arranged on the conveyor belt (4) and is used for separating the reinforcing steel bars in the waste material sent out by the conveyor belt (4).

2. The construction work waste recycling device according to claim 1, wherein: one side of the screening box (2) is provided with a through hole (21) which penetrates through the side wall of the screening box (2);

the net wire separating device (3) comprises a rotating shaft (31), the axis of the rotating shaft is horizontal and is rotatably connected to the screening box (2), and the rotating shaft is positioned in the through hole (21);

the separating rod (32) is arranged outside the rotating shaft (31), and when one end of the separating rod (32) departing from the rotating shaft (31) is positioned in the screening box (2), one end of the separating rod (32) departing from the rotating shaft (31) rotates upwards;

and the collecting box (6) is fixedly connected to the outer wall of the screening box (2) and is positioned below the through hole (21), and when one end of the separating rod (32) departing from the rotating shaft (31) is positioned outside the screening box (2), the separating rod (32) is positioned above the collecting box (6).

3. The construction work waste recycling device according to claim 2, wherein: the outer side of the separation rod (32) is rotatably connected with a plurality of hook hanging rods (33), and when the separation rod (32) is positioned in the screening box (2), one end of each hook hanging rod (33) departing from the separation rod (32) inclines towards the direction close to the rotating shaft (31);

when the separating rod (32) rotates to the outside of the screening box (2), one end of the hook rod (33) departing from the separating rod (32) inclines towards the direction far away from the rotating shaft (31).

4. The construction work waste recycling device according to claim 3, wherein: the utility model discloses a separation rod, including pivot (31), fixed cover (34) that pivot (31) outside fixedly connected with a plurality of and separation rod (32) one-to-one, fixed cover (34) cover is established in the separation rod (32) outside that corresponds, hook peg (33) pass from fixed cover (34), separation rod (32) can slide along separation rod (32) length direction in the middle of fixed cover (34), hook peg (33) can fix cover (34) rotation relatively and can fix cover (34) relatively and slide, hook peg (33) and the rotation axis of fixed cover (34) are for fixed cover (34) rigidity.

5. The construction engineering waste recycling device according to claim 4, wherein: a plurality of accommodating grooves (321) which are in one-to-one correspondence with the separating rods (32) are formed in the outer sides of the separating rods (32), and one ends, close to the separating rods (32), of the hook hanging rods (33) are inserted into the accommodating grooves (321);

two rotating rods which are coaxial and are rotatably connected to the separating rod (32) are fixedly connected to the two sides of the hook rod (33).

6. The construction work waste recycling device according to claim 5, wherein: a plurality of yielding holes (341) corresponding to the separating rods (32) one by one are formed in the outer side of the fixing sleeve (34), the yielding holes (341) penetrate through the fixing sleeve (34), and the separating rods (32) penetrate through the corresponding yielding holes (341);

two sliding grooves are formed in the two sides of the separating rod (32) along the length direction of the separating rod (32), and two fixing shafts (342) which are respectively inserted into the two sliding grooves are fixedly connected to the hole walls of the two sides of the abdicating hole (341).

7. The construction engineering waste recycling device according to claim 6, wherein: the hook rod (33) is arranged on one side, facing the rotating direction, of the separating rod (32).

8. The construction work waste recycling device according to claim 7, wherein: the rotating shaft (31) is provided with a round hole (311) penetrating through the rotating shaft (31) along the axis of the rotating shaft (31), and the round hole (311) is coaxial with the rotating shaft (31); the rotating shaft (31) is internally sleeved with a fixing rod (35), the fixing rod (35) is divided into an extending part (351) and a retracting part (352) which are respectively positioned on two sides of the axis of the rotating shaft (31), when the separating rod (32) is close to one end of the rotating shaft (31) and is attached to the extending part (351), the separating rod (32) is positioned on the inner side of the screening box (2), and when the separating rod (32) is close to one end of the rotating shaft (31) and is contacted with the retracting part (352), the separating rod (32) is positioned on the outer side of the screening box (2).

9. The construction work waste recycling device according to claim 8, wherein: at least one sliding groove (322) arranged along the length direction of the rotating shaft (31) is formed in the outer side of the separating rod (32), a fixing block (343) fixedly connected to the inner side of the fixing sleeve (34) is arranged in the sliding groove (322), the fixing block (343) can slide along the length direction of the fixing sleeve (34) in the sliding groove (322), and an elastic part for pushing the separating rod (32) to slide towards the direction close to the rotating shaft (31) is arranged in the sliding groove (322).

10. The construction work waste recycling device according to claim 1, wherein: the steel bar separating device (5) comprises a frame body (51) which is erected on the conveyor belt (4);

a sliding seat (52) which can slide on the frame body (51), and the sliding direction of the sliding seat is horizontal and vertical to the conveying direction of the conveyor belt (4);

and an electromagnetic chuck (53) fixed to the bottom of the slide base (52).