CN111889178B

CN111889178B - Steel bar separating device for recycled concrete

Info

Publication number: CN111889178B
Application number: CN202010570965.XA
Authority: CN
Inventors: 王保林
Original assignee: Qingdao Beiyuan Environmental Protection Building Materials Co ltd
Current assignee: Qingdao Beiyuan environmental protection building materials Co.,Ltd.
Priority date: 2020-06-22
Filing date: 2020-06-22
Publication date: 2021-11-02
Anticipated expiration: 2040-06-22
Also published as: CN111889178A

Abstract

The invention discloses a steel bar separating device for recycled concrete, which belongs to the technical field of recycled concrete and comprises a support frame, wherein a lifting mechanism is arranged at the top end of the support frame, the lifting mechanism comprises a lifting cylinder and a lifting base, the lifting cylinder is fixedly connected to the top end of the support frame, the output end of the lifting cylinder is fixedly connected with the lifting base, a crushing driving mechanism is arranged below the lifting base, a hydraulic cylinder of the crushing driving mechanism, a connecting plate and crushing rods are fixedly connected to the bottom end of the lifting base, the output end of the hydraulic cylinder is fixedly connected with the connecting plate, and the bottom end of the connecting plate is fixedly connected with a plurality of crushing rods. Can realize carrying out the breakage to the concrete through the machine, then separate reinforcing bar and building stones automatically, separation efficiency is high, effectual, labour saving and time saving, and simple structure, convenient operation, great reduction the cost of labor.

Description

Steel bar separating device for recycled concrete

Technical Field

The invention relates to the field of mine ventilation equipment, in particular to a steel bar separating device for recycled concrete.

Background

Reinforced concrete, often referred to as reinforced concrete for short in engineering. It is a composite material which is formed by adding reinforcing mesh, steel plate or fiber into concrete and works together with the composite material to improve the mechanical property of concrete. In one of the most common forms of reinforced concrete.

The regenerated concrete is prepared by crushing, cleaning and grading waste concrete blocks, mixing the crushed, cleaned and graded waste concrete blocks with a grading agent according to a certain proportion, partially or completely replacing natural aggregates (mainly coarse aggregates) such as sand stones and the like, and adding cement, water and the like. The recycled concrete can be combined into aggregates in the following cases: all aggregates are regenerated aggregates; the coarse aggregate is regenerated aggregate, and the fine aggregate is natural sand; the coarse aggregate is natural gravel or cobble, and the fine aggregate is regenerated aggregate; the reclaimed aggregate replaces part of the coarse aggregate or the fine aggregate.

When reinforced concrete slab regenerates, retrieves and recycles, need separate building stones and reinforcing bar, among the prior art, break the concrete through the machine earlier usually, then artifical manual separation reinforcing bar, this separation mode, waste time and energy, efficiency are lower to the cost is higher, can exceed the value of concrete regeneration even.

Disclosure of Invention

1. Technical problem to be solved

Aiming at the problems in the prior art, the invention aims to provide a steel bar separating device for recycled concrete, which can realize the crushing of concrete through a machine and then automatically separate steel bars from stone materials, has the advantages of high separating efficiency, good effect, time and labor saving, simple structure and convenient operation, and greatly reduces the labor cost.

2. Technical scheme

In order to solve the above problems, the present invention adopts the following technical solutions.

A steel bar separating device for recycled concrete comprises a supporting frame, wherein a lifting mechanism is arranged at the top end of the supporting frame, the lifting mechanism comprises a lifting cylinder and a lifting base, the lifting cylinder is fixedly connected to the top end of the supporting frame, the lifting base is fixedly connected to the output end of the lifting cylinder, a crushing driving mechanism is arranged below the lifting base, the crushing driving mechanism comprises a hydraulic cylinder, a connecting plate and crushing rods, the hydraulic cylinder is fixedly connected to the bottom end of the lifting base, the connecting plate is fixedly connected to the output end of the hydraulic cylinder, a plurality of crushing rods are fixedly connected to the bottom end of the connecting plate, a crushing box is fixedly mounted on one side of the supporting frame and under the crushing driving mechanism, a discharging pipe is communicated with the outer wall on one side of the crushing box, a fixing plate is fixedly connected to the inner wall of the crushing box, and an elastic plate is fixedly connected to the top end of the fixing plate, the top fixedly connected with fly leaf of elastic plate, it is connected with a plurality of spin to rotate on the fly leaf lateral wall, the spin pastes mutually and rather than sliding connection with the inner wall of broken case, a plurality of through-holes have been seted up to the inside of fixed plate, the through-hole runs through elastic plate and fly leaf, a plurality of built-in grooves down have been seted up on the top outer wall of fixed plate, a plurality of built-in grooves on have been seted up on the bottom outer wall of fixed plate, the inside sliding connection of elastic plate has a plurality of connecting rods, every equal fixedly connected with spring on the inner wall in built-in groove and the last built-in groove down.

The mechanical arm mechanism is fixedly arranged on one side, far away from the support frame, of the crushing box and comprises a trunk, an arm and a hand, an electromagnet is fixedly connected to one end of the hand, a separating box is fixedly arranged on one side, far away from the crushing box, of the trunk, a discharge pipe is communicated with one side of the separating box, a driving motor is fixedly connected to the inner wall of the bottom of the separating box, a separating cylinder is fixedly connected to the output end of the driving motor, a plurality of leakage holes are formed in the outer wall of the separating cylinder, a partition plate mechanism is fixedly connected to the inner wall of the separating box and comprises a transverse plate, an inclined plate and a bottom plate, two ends of the inclined plate are fixedly connected with the transverse plate and the bottom plate respectively, a plurality of separating balls are placed in the separating cylinder and comprise a ball body and a convex block, and a plurality of hemispherical convex blocks are fixedly connected to the outer wall of the ball body, an inner cavity is formed in the ball body, and a filling agent is filled in the inner cavity.

Furthermore, two symmetrical guide rods are fixedly connected to the top end of the connecting plate, penetrate through the lifting base and are in sliding connection with the lifting base, and therefore the crushing driving mechanism can be prevented from deviating.

Furthermore, the material of elastic plate is thermoplastic polyurethane rubber, and thermoplastic polyurethane rubber's elastic plate has elasticity, can be compressed then automatic kick-back, the spin is annular evenly distributed, and the friction between reducible fly leaf and broken incasement wall, improve equipment life are arranged to the setting of spin.

Further, built-in groove, the built-in groove of going up, connecting rod quantity are equal and the one-to-one, built-in groove sets up under corresponding built-in groove, the connecting rod runs through elastic plate and both ends respectively with correspond the spring fixed connection of built-in groove, built-in inslot on down, through the setting of fixed plate, elastic plate, fly leaf, through-hole, built-in groove, spring, connecting rod under, during the breakage, broken pole impacts the fly leaf downwards, makes fixed plate, spring atress compress, broken pole upwards with the fly leaf after separating, under the effect of fixed plate, spring elasticity, make the fly leaf vibrate to improve the speed that the broken stone material falls through the through-hole, can improve crushing efficiency on the one hand, on the other hand also can be convenient for follow-up electro-up magnet to adsorb the reinforcing bar.

Furthermore, a driving mechanism and a control system are arranged in the trunk, and the electromagnet is electrically connected with the control system, so that the electromagnet can be conveniently controlled to be powered on or powered off.

Further, the bottom plate is fixedly connected with the inner wall of the separating box, the inclined plate is arranged to be inclined, the transverse plate is located above the driving motor, the output end of the driving motor penetrates through the transverse plate, and the transverse plate, the inclined plate and the bottom plate are arranged to prevent stones from being smashed to the driving motor and facilitate discharging of the stones.

Furthermore, an electric sealing cover is arranged at the top end of the separating cylinder, so that the leak hole can be conveniently sealed and opened.

Furthermore, the material of the ball body is butadiene rubber, the filler is sand, and when the separating cylinder rotates, the ball body made of butadiene rubber can bounce in the separating cylinder due to elasticity, so that the convex block continuously impacts the reinforcing steel bar, the stone material remaining on the reinforcing steel bar is separated from the reinforcing steel bar, and the separating effect and efficiency are improved.

Furthermore, the volume of the filler is larger than one half of the volume of the bump and smaller than two thirds of the volume of the bump, and the elasticity of the ball body can be improved due to the arrangement of the filler.

A steel bar separating device for recycled concrete is provided, and the using method comprises the following steps:

s1, placing the waste reinforced concrete slabs on movable plates in the crushing box by using a small crane, and starting a lifting cylinder to drive a crushing driving mechanism to descend to the crushing box;

s2, starting a hydraulic cylinder to drive a crushing rod to move up and down to crush the concrete slab, wherein in the process, the through hole vibrates up and down under the action of the upper built-in groove and the elasticity of the spring, so that stone quickly falls into the bottom of the crushing box through the through hole;

s3, after crushing is finished, closing the hydraulic cylinder, starting the lifting cylinder to lift and reset the crushing driving mechanism, starting and moving the electromagnet through the mechanical arm mechanism, adsorbing and transferring the steel bars in the crushing box to the separating box, closing the electromagnet, opening the electric sealing cover at the top end of the separating cylinder to enable the steel bars to fall into the leaking hole, and closing the electric sealing cover;

s4, starting the driving motor to drive the separating cylinder to rotate, enabling the separating ball to collide with the steel bar, separating residual stone on the steel bar, further completing separation of the steel bar and the stone, closing the driving motor, opening the electric sealing cover and taking out the steel bar.

3. Advantageous effects

Compared with the prior art, the invention has the advantages that:

(1) this scheme can realize carrying out the breakage to the concrete through the machine, then separates reinforcing bar and building stones automatically, and separation efficiency is high, effectual, labour saving and time saving, and simple structure, convenient operation, great reduction the cost of labor.

(2) Two symmetry of the top fixedly connected with of connecting plate are provided with the guide bar, and the guide bar runs through lifting pedestal and rather than sliding connection, can prevent broken actuating mechanism emergence skew.

(3) The material of elastic plate is thermoplastic polyurethane rubber, and thermoplastic polyurethane rubber's elastic plate has elasticity, can be compressed then automatic kick-back, and the spin is annular evenly distributed, and the setting of spin can reduce the friction between fly leaf and broken incasement wall, improve equipment life.

(4) Through the setting of fixed plate, elastic plate, fly leaf, through-hole, built-in groove down, built-in groove on, spring, connecting rod, during the breakage, broken pole strikes the fly leaf downwards, makes fixed plate, spring atress compression, and broken pole makes the fly leaf take place the vibration under the effect of fixed plate, spring elasticity after upwards separating with the fly leaf to improve the speed of detritus material through the through-hole whereabouts, can improve crushing efficiency on the one hand, on the other hand also can be convenient for follow-up electro-magnet to the absorption of reinforcing bar.

(5) The arrangement of the transverse plate, the inclined plate and the bottom plate can prevent stones from being smashed to the driving motor and facilitate discharging the stones.

(6) The spheroid material is butadiene rubber, and the filler is the sand, and when the cylinder rotated, the spheroid of butadiene rubber material because of having elasticity, can bounce in the cylinder, and then made the lug constantly strike the reinforcing bar, made remaining building stones on the reinforcing bar and reinforcing bar separation, improved separation effect and efficiency.

Drawings

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

FIG. 2 is a cross-sectional view of the inside of the crushing box of the present invention;

FIG. 3 is a top view of the movable plate of the present invention;

FIG. 4 is a cross-sectional view of the invention at the location of the spring plate;

FIG. 5 is a cross-sectional view of the interior of the separator tank of the present invention;

FIG. 6 is a cross-sectional view of the interior of the separator bowl of the present invention;

FIG. 7 is a schematic structural view of a separation ball according to the present invention;

fig. 8 is a cross-sectional view within a sphere of the present invention.

The reference numbers in the figures illustrate:

101. a support frame; 102. a lifting cylinder; 103. a lifting base; 104. a hydraulic cylinder; 105. a connecting plate; 106. a breaking bar; 107. a guide bar; 201. a crushing box; 202. a discharge pipe; 203. a fixing plate; 204. an elastic plate; 205. a movable plate; 206. rolling a ball; 207. a through hole; 208. a lower built-in groove; 209. an upper built-in groove; 210. a spring; 211. a connecting rod; 301. a torso; 302. an arm; 303. a hand portion; 304. an electromagnet; 401. a separation tank; 402. a discharge pipe; 403. a drive motor; 404. a separation cylinder; 405. a leak hole; 406. a transverse plate; 407. a sloping plate; 408. a base plate; 005. separating the balls; 501. a sphere; 502. a bump; 503. an inner cavity.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention; it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1:

referring to fig. 1-4, a recycled concrete steel bar separating device, includes a supporting frame 101, a lifting mechanism is disposed on the top of the supporting frame 101, the lifting mechanism includes a lifting cylinder 102 and a lifting base 103, the lifting cylinder 102 is fixedly connected to the top of the supporting frame 101, the output end of the lifting cylinder 102 is fixedly connected to the lifting base 103, a crushing driving mechanism is disposed below the lifting base 103, the crushing driving mechanism includes a hydraulic cylinder 104, a connecting plate 105 and crushing rods 106, the hydraulic cylinder 104 is fixedly connected to the bottom end of the lifting base 103, the output end of the hydraulic cylinder 104 is fixedly connected to the connecting plate 105, the bottom end of the connecting plate 105 is fixedly connected to a plurality of crushing rods 106, two symmetrically disposed guide rods 107 are fixedly connected to the top end of the connecting plate 105, the guide rods 107 penetrate through the lifting base 103 and are slidably connected thereto, so as to prevent the crushing driving mechanism from shifting, a crushing box 201 is fixedly installed on one side of the supporting frame 101 and located right below the crushing driving mechanism, a discharge pipe 202 is communicated with the outer wall of one side of the crushing box 201, a fixed plate 203 is fixedly connected to the inner wall of the crushing box 201, an elastic plate 204 is fixedly connected to the top end of the fixed plate 203, a movable plate 205 is fixedly connected to the top end of the elastic plate 204, a plurality of rolling balls 206 are rotatably connected to the side wall of the movable plate 205, the elastic plate 204 is made of thermoplastic polyurethane rubber, the elastic plate 204 of the thermoplastic polyurethane rubber has elasticity and can be compressed and then automatically rebound, the rolling balls 206 are annularly and uniformly distributed, the arrangement of the rolling balls 206 can reduce friction between the movable plate 205 and the inner wall of the crushing box 201, the service life of the equipment is prolonged, the rolling balls 206 are attached to and slidably connected with the inner wall of the crushing box 201, a plurality of through holes 207 are formed in the fixed plate 203, and the through holes 207 penetrate through the elastic plate 204 and the movable plate 205, the outer wall of the top end of the fixed plate 203 is provided with a plurality of lower built-in grooves 208, the outer wall of the bottom end of the fixed plate 203 is provided with a plurality of upper built-in grooves 209, the inner part of the elastic plate 204 is connected with a plurality of connecting rods 211 in a sliding manner, the inner walls of each lower built-in groove 208 and each upper built-in groove 209 are fixedly connected with springs 210, the lower built-in grooves 208, the upper built-in grooves 209 and the connecting rods 211 are equal in number and correspond to each other one by one, the lower built-in grooves 208 are arranged right below the corresponding upper built-in grooves 209, the connecting rods 211 penetrate through the elastic plate 204, two ends of each connecting rod 211 are respectively fixedly connected with the corresponding springs 210 in the lower built-in grooves 208 and the corresponding upper built-in grooves 209, through the arrangement of the fixed plate 203, the elastic plate 204, the movable plate 205, the through holes 207, the lower built-in grooves 208, the upper built-in grooves 209, the springs 210 and the connecting rods 211, when crushing, the crushing rod 106 impacts the movable plate 205 downwards to enable the fixed plate 203 and the springs 210 to be compressed under force, and the crushing rod 106 is separated from the movable plate 205 upwards, under the action of the elastic forces of the fixed plate 203 and the spring 210, the movable plate 205 is vibrated, so that the falling speed of the crushed stone through the through hole 207 is increased, on one hand, the crushing efficiency is increased, and on the other hand, the subsequent absorption of the electromagnet 304 on the steel bars is facilitated.

Referring to fig. 1 and 5-8, a mechanical arm mechanism is fixedly mounted on a side of the crushing box 201 away from the supporting frame 101, the mechanical arm mechanism includes a trunk 301, an arm 302, and a hand 303, an electromagnet 304 is fixedly connected to one end of the hand 303, a driving mechanism and a control system are disposed in the trunk 301, the electromagnet 304 is electrically connected to the control system, so as to control the electromagnet 304 to be powered on and powered off, the mechanical arm mechanism can drive the electromagnet 304 to move and rotate, and further to transfer the reinforcing steel bars from the crushing box 201 into a separating cylinder 404, as for how the mechanical arm mechanism drives the electromagnet 304 to move and rotate, which is a mature technology in the prior art and is not described again in detail, a separating box 401 is fixedly mounted on a side of the trunk 301 away from the crushing box 201, a discharge pipe 402 is communicated with one side of the separating box 401, and a driving motor 403 is fixedly connected to an inner wall of a bottom of the separating box 401, the output end of the driving motor 403 is fixedly connected with a separating cylinder 404, the outer wall of the separating cylinder 404 is provided with a plurality of leakage holes 405, the inner wall of the separating box 401 is fixedly connected with a baffle mechanism, the baffle mechanism comprises a transverse plate 406, an inclined plate 407 and a bottom plate 408, the bottom plate 408 is fixedly connected with the inner wall of the separating box 401, the inclined plate 407 is arranged in an inclined shape, the transverse plate 406 is positioned above the driving motor 403, the output end of the driving motor 403 penetrates through the transverse plate 406, the inclined plate 407 and the bottom plate 408 are arranged, so that stones can be prevented from being hit to the driving motor 403 and can be conveniently discharged, the top end of the separating cylinder 404 is provided with an electric sealing cover which can facilitate the sealing and the opening of the separating cylinder 404, the two ends of the inclined plate 407 are respectively fixedly connected with the transverse plate 406 and the bottom plate 408, a plurality of separating balls 005 are placed in the separating cylinder 404, the separating balls 005 comprise balls 501 and bumps 502, the bumps 502 are fixedly connected with a plurality of hemispheres on the outer wall of the ball 501, inner chamber 503 has been seted up to spheroid 501's inside, the inner chamber 503 intussuseption is filled with the filler, the material of spheroid 501 is butadiene rubber, the filler is the sand, when cylinder separator 404 rotates, the spheroid 501 of butadiene rubber material, because of having elasticity, can bounce in cylinder separator 404, and then make lug 502 constantly strike the reinforcing bar, make remaining building stones and reinforcing bar separation on the reinforcing bar, separation effect and efficiency are improved, the filler volume is greater than the half of lug 502 volume, and be less than the two-thirds of lug 502 volume, the setting of filler, can improve spheroid 501's elasticity.

Referring to fig. 1 to 8, a steel bar separating apparatus for recycled concrete, which is used in the method of:

s1, placing the waste reinforced concrete slabs on the movable plate 205 in the crushing box 201 by using a small crane, and starting the lifting cylinder 102 to drive the crushing driving mechanism to descend to the crushing box 201;

s2, starting the hydraulic cylinder 104, driving the crushing rod 106 to move up and down to crush the concrete slab, wherein in the process, the through hole 207 vibrates up and down under the elastic action of the upper built-in groove 209 and the spring 210, so that the stone quickly falls into the bottom of the crushing box 201 through the through hole 207;

s3, after crushing is finished, closing the hydraulic cylinder 104, starting the lifting cylinder 102 to lift and reset the crushing driving mechanism, starting and moving the electromagnet 304 through the mechanical arm mechanism, adsorbing and transferring the steel bars in the crushing box 201 to the separating box 401, closing the electromagnet 304, opening the electric sealing cover at the top end of the separating cylinder (404), enabling the steel bars to fall into the leakage hole 405, and closing the electric sealing cover;

s4, starting the driving motor 403, driving the separating drum 404 to rotate, enabling the separating ball 005 to collide with the steel bars, separating stone remained on the steel bars, further completing the separation of the steel bars and the stone, closing the driving motor 403, opening the electric sealing cover, and taking out the steel bars.

The above are merely preferred embodiments of the present invention; the scope of the invention is not limited thereto. Any person skilled in the art should be able to cover the technical scope of the present invention by equivalent or modified solutions and modifications within the technical scope of the present invention.

Claims

1. The utility model provides a recycled concrete uses reinforcing bar separator, includes support frame (101), the top of support frame (101) is provided with elevating system, elevating system includes lift cylinder (102), lifting base (103), lift cylinder (102) fixed connection is on the top of support frame (101), the output fixedly connected with lifting base (103) of lift cylinder (102), the below of lifting base (103) is equipped with broken actuating mechanism, broken actuating mechanism includes pneumatic cylinder (104), connecting plate (105), broken pole (106), pneumatic cylinder (104) fixed connection is in the bottom of lifting base (103), the output fixedly connected with connecting plate (105) of pneumatic cylinder (104), the bottom fixed connection of connecting plate (105) has a plurality of broken poles (106), one side of support frame (101) just is located broken actuating mechanism under fixed mounting and has broken case (201), the intercommunication has discharging pipe (202), its characterized in that on the outer wall of broken case (201) one side: a fixed plate (203) is fixedly connected on the inner wall of the crushing box (201), an elastic plate (204) is fixedly connected at the top end of the fixed plate (203), the top end of the elastic plate (204) is fixedly connected with a movable plate (205), the side wall of the movable plate (205) is rotatably connected with a plurality of rolling balls (206), the rolling ball (206) is attached to the inner wall of the crushing box (201) and is connected with the crushing box in a sliding way, a plurality of through holes (207) are formed in the fixed plate (203), the through holes (207) penetrate through the elastic plate (204) and the movable plate (205), a plurality of lower built-in grooves (208) are arranged on the outer wall of the top end of the fixing plate (203), a plurality of upper built-in grooves (209) are arranged on the outer wall of the bottom end of the fixing plate (203), a plurality of connecting rods (211) are connected inside the elastic plate (204) in a sliding manner, and springs (210) are fixedly connected to the inner walls of the lower built-in groove (208) and the upper built-in groove (209);

one side of the crushing box (201) far away from the support frame (101) is fixedly provided with a mechanical arm mechanism, the mechanical arm mechanism comprises a trunk (301), an arm (302) and a hand (303), one end of the hand (303) is fixedly connected with an electromagnet (304), one side of the crushing box (201) far away from the trunk (301) is fixedly provided with a separating box (401), one side of the separating box (401) is communicated with a discharge pipe (402), the inner wall of the bottom of the separating box (401) is fixedly connected with a driving motor (403), the output end of the driving motor (403) is fixedly connected with a separating cylinder (404), the outer wall of the separating cylinder (404) is provided with a plurality of leakage holes (405), the inner wall of the separating box (401) is fixedly connected with a partition plate mechanism, the partition plate mechanism comprises a transverse plate (406), an inclined plate (407) and a bottom plate (408), and two ends of the inclined plate (407) are respectively fixedly connected with the transverse plate (406) and the bottom plate (408), a plurality of separation balls (005) have been placed to the inside of cylinder (404), separation ball (005) are including spheroid (501), lug (502), a plurality of hemispherical lugs (502) of fixedly connected with on the outer wall of spheroid (501), inner chamber (503) have been seted up to the inside of spheroid (501), inner chamber (503) intussuseption is filled with the filler.

2. The apparatus for separating reinforcing bars for recycled concrete according to claim 1, wherein: two guide rods (107) are symmetrically arranged at the top end of the connecting plate (105), and the guide rods (107) penetrate through the lifting base (103) and are in sliding connection with the lifting base.

3. The apparatus for separating reinforcing bars for recycled concrete according to claim 1, wherein: the elastic plate (204) is made of thermoplastic polyurethane rubber, and the rolling balls (206) are uniformly distributed in an annular shape.

4. The apparatus for separating reinforcing bars for recycled concrete according to claim 1, wherein: the number of the lower built-in grooves (208), the number of the upper built-in grooves (209) and the number of the connecting rods (211) are equal and correspond to one another, the lower built-in grooves (208) are arranged under the corresponding upper built-in grooves (209), the connecting rods (211) penetrate through the elastic plate (204), and the two ends of the connecting rods are respectively fixedly connected with the springs (210) in the corresponding lower built-in grooves (208) and the upper built-in grooves (209).

5. The apparatus for separating reinforcing bars for recycled concrete according to claim 1, wherein: a driving mechanism and a control system are arranged in the trunk (301), and the electromagnet (304) is electrically connected with the control system.

6. The apparatus for separating reinforcing bars for recycled concrete according to claim 1, wherein: the bottom plate (408) is fixedly connected with the inner wall of the separation box (401), the inclined plate (407) is arranged to be inclined, the transverse plate (406) is positioned above the driving motor (403), and the output end of the driving motor (403) penetrates through the transverse plate (406).

7. The apparatus for separating reinforcing bars for recycled concrete according to claim 1, wherein: an electric sealing cover is arranged at the top end of the separating cylinder (404).

8. The apparatus for separating reinforcing bars for recycled concrete according to claim 1, wherein: the ball body (501) is made of butadiene rubber, and the filling agent is sand.

9. The apparatus for separating reinforcing bars for recycled concrete according to claim 1, wherein: the filler volume is greater than one-half of the volume of the bump (502) and less than two-thirds of the volume of the bump (502).

10. The apparatus for separating reinforcing bars for recycled concrete according to claim 1, wherein: the using method comprises the following steps:

s1, a small crane is adopted, waste reinforced concrete slabs are placed on a movable plate (205) in a crushing box (201), and a lifting cylinder (102) is started to drive a crushing driving mechanism to descend to the crushing box (201);

s2, starting a hydraulic cylinder (104), driving a crushing rod (106) to move up and down to crush the concrete slab, wherein in the process, the through hole (207) vibrates up and down under the elastic action of the upper built-in groove (209) and the spring (210), so that stone quickly falls into the bottom of the crushing box (201) through the through hole (207);

s3, after crushing is finished, closing the hydraulic cylinder (104), starting the lifting cylinder (102) to lift and reset the crushing driving mechanism, starting and moving the electromagnet (304) through the mechanical arm mechanism, adsorbing and transferring the steel bars in the crushing box (201) to the separation box (401), closing the electromagnet (304), opening the electric sealing cover at the top end of the separation cylinder (404), enabling the steel bars to fall into the separation cylinder (404), and closing the electric sealing cover;

s4, starting the driving motor (403), driving the separating drum (404) to rotate, enabling the separating ball (005) to collide with the steel bars, separating stone remained on the steel bars, further completing the separation of the steel bars and the stone, closing the driving motor (403), opening the electric sealing cover, and taking out the steel bars.