CN116251650A

CN116251650A - Building residue soil recycling and crushing device and application method thereof

Info

Publication number: CN116251650A
Application number: CN202211092345.5A
Authority: CN
Inventors: 何汝江
Original assignee: Zhejiang Yuanxin Environmental Protection Technology Co ltd
Current assignee: Zhejiang Yuanxin Environmental Protection Technology Co ltd
Priority date: 2022-09-08
Filing date: 2022-09-08
Publication date: 2023-06-13

Abstract

The invention relates to the field of building construction. The invention discloses a building muck recycling and crushing device and a use method thereof, and aims to solve the problems that in the prior art, when muck is screened, magnetic impurities are removed from the muck through a filter screen, a filter frame or other devices, and meanwhile, net-shaped objects or other devices are easy to clamp into net holes when the filter screen, the filter frame or other devices are clamped, so that blocking of screening holes affects the screening effect of the muck, and in the prior art, when the muck is screened, impurities after screening are removed after a period of time, so that the short rest time in the operation process directly affects the working efficiency of muck screening. The invention realizes the crushing and screening treatment of the dregs by three parts of the crushing equipment, the preliminary screening equipment and the screening equipment, so that the dregs screening efficiency is greatly improved and the magnetic substances can be effectively removed.

Description

Building residue soil recycling and crushing device and application method thereof

Technical Field

The invention relates to the field of building construction, in particular to a building residue soil recycling and crushing device and a using method thereof.

Background

Muck is just one type of construction waste. The building rubbish is produced in the process of building, building unit new construction, reconstruction, extension and demolition of various buildings, structures, pipe networks and the like according to the building rubbish in the urban building rubbish management regulation.

The invention discloses a high-efficiency crushing, screening and recycling device for building dregs, which comprises a machine body, a feeding barrel, a buffer mechanism, a crushing mechanism, an adjusting mechanism, an auxiliary mechanism, a screening mechanism, a circulating mechanism and a collecting box. In the process of implementing the present invention, the inventor finds that at least the following problems in the prior art are not solved: in the prior art, when the dregs are screened, magnetic impurities are removed from the dregs through a filter screen or a filter frame and other devices, and meanwhile, the components such as the filter screen or the filter frame are easy to cause net objects or other devices to be clamped into net holes, so that the blocking effect of the screening holes on the dregs is further caused, and when the dregs are screened in the prior art, the impurities after screening are removed after a period of time, so that the working efficiency of the dregs screening is directly influenced by the short rest in the operation process.

Disclosure of Invention

The invention aims to provide a building residue soil recycling and crushing device and a using method thereof, which are used for solving the problems in the background technology. In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a reducing mechanism is retrieved to building dregs, includes plummer, crushing apparatus, prescreening equipment and screening facility, the plummer is the level and places in subaerial, crushing apparatus sets up at the top of plummer and is the slope setting, prescreening equipment sets up in the plummer and is located the below of crushing apparatus, screening facility is fixed to be set up on the plummer and is located the below of prescreening equipment, screening facility includes screening box, direction conveyer belt, screening piece, intercepting piece, scraping piece and magnetic roll, the fixed setting of screening box is on the outer wall of plummer and is located the below of prescreening equipment, the direction conveyer belt is the slope setting and is carried in the inside of screening box and the direction conveyer belt towards one side that inclines to be high, the screening piece sets up on the belt of direction conveyer belt, intercepting piece rotates the setting in the screening box and with screening piece sliding fit, the scraping piece rotates the setting in the screening box and is located the direction conveyer belt one side that inclines to be low, the magnetic roll rotates the setting on the screening piece and is located the top of direction conveyer belt.

Preferably, the crushing apparatus includes support frame, drive electric jar, unloading scraper blade, two sets of driving pieces and two crushing mill boards, the support frame is fixed to be set up at the top of plummer and is the slope setting, the support frame is the slope setting and is located high one end and be equipped with the drain hole, the support frame is the slope setting and is located low one end and be equipped with the unloading spout, the flexible end and the support frame sliding fit of drive electric jar that the drive electric jar set up on the outer wall of support frame and drive electric jar, the unloading scraper blade sets up on the flexible end of drive electric jar and be located the drain hole department on the support frame, two sets of driving piece symmetry sets up on the support frame and with support frame sliding fit, two crushing mill boards are connected and two crushing mill boards are relative motion under the drive of two sets of driving pieces respectively, two crushing mill board's surface all is equipped with a plurality of protruding grinding balls.

Preferably, the two sets of driving pieces all include driving piece and two elastic springs, set up on the support frame with the driving piece sliding fit's on the two sets of driving pieces spout, two elastic spring's one end is connected with two inner walls of spout respectively, two elastic spring's the other end is connected with the both ends of driving piece, and the driving piece outer wall on one of them driving piece is equipped with the rotating block that rotates the setting with unloading scraper blade fixed connection and be connected with the link that rotates the setting on the driving piece outer wall on the other driving piece, link and the articulated cooperation of rotating block, two smash the mill board and be connected with the driving piece on the two sets of driving pieces respectively.

Preferably, the primary screening equipment comprises a primary screening frame, a blanking plate, a rotating motor, two rotating rods, two rotating gears, two rotating discs and two groups of shaking pieces, wherein the primary screening frame is fixedly arranged on the outer wall of a bearing table and positioned at the side of a blanking chute, a material taking opening is formed in the top end of the primary screening frame, the rotating motor is arranged at the top of the bearing table, the rotating rods are symmetrically arranged on the primary screening frame and are in rotating fit with the primary screening frame, a main shaft of the rotating motor is in transmission fit with one rotating rod, the rotating gears are respectively sleeved on the two rotating rods and meshed with the two rotating gears, the rotating discs are respectively fixedly arranged on the two rotating rods, and the shaking pieces are respectively arranged on the two rotating discs.

Preferably, the two sets of shake pieces all include eccentric frame, shake board, two mounts and two interlock frames, the eccentric frame eccentric setting is on the rolling disc, two the mount symmetry is fixed to be set up on the inner wall of just screening frame, two the interlock frame rotates respectively and sets up on two mounts, one of them interlock frame is articulated with the eccentric frame cooperation, shake the fixed top that sets up at the interlock frame of board, the blanking board is fixed to be set up just to be located shake board below on two sets of shake pieces on just screening frame.

Preferably, the blanking plate is communicated with the top of the screening box body, the screening pieces are provided with a plurality of screening pieces, the screening pieces are arranged on the surface of a belt on the guide conveying belt at equal intervals, the screening pieces comprise a bearing frame, a bearing rod, a pulling rod, a screening frame and two tension springs, the bearing frame is arranged on the surface of the belt on the guide conveying belt, the bearing rod is fixedly arranged on the bearing frame, the screening frame is arranged on the bearing rod and is in running fit with the bearing rod, the pulling rod is arranged on the bearing frame, two tension springs are respectively connected with the bearing frame and the bearing rod at two ends, and the magnetic roller is rotatably arranged on the screening frame and is located above the guide conveying belt.

Preferably, the interception piece comprises a rotary drum and an installation rod, the rotary rod is rotationally arranged in the screening box body, the rotary drum is fixedly arranged on the installation rod, the screening box body is located at the position above the rotary drum, the rotary drum is arranged on a polygonal diamond surface, and a ferromagnetic plate is arranged on each diamond surface of the rotary drum.

Preferably, the installation rod is further provided with a chuck at the side of the rotary drum, the chuck is provided with clamping grooves which are identical to the diamond surfaces around the circle center of the installation rod, and the outer walls of the bearing frames on the screening pieces are provided with clamping frames which are in sliding fit with the clamping grooves.

Preferably, the scraping piece comprises a rotating motor, a rotating rod and a rotating roller, wherein the rotating motor is fixedly arranged on the outer wall of the screening box body, the rotating rod is arranged on a main shaft of the rotating motor and is in running fit with the outer wall of the screening box body, the rotating roller is fixedly arranged on the rotating rod and is positioned on one side with low inclination of the guiding transmission belt, a plurality of scraping brushes are arranged on the outer wall of the rotating roller around the circumference of the rotating roller, and the screening box body is positioned at the side of the scraping brushes and is provided with a discharge hole.

Preferably, the application method of the building residue soil recycling and crushing device comprises the following steps:

s1: building dregs are discharged between two crushing grinding plates through a discharging hole on a supporting frame, then a discharging scraper is driven by a driving electric cylinder to reciprocate back and forth on the supporting frame, further, the phenomenon that dregs at the discharging hole can be accumulated and clamped can be avoided through the discharging scraper, when the discharging scraper moves back and forth on the supporting frame, a driving block connected with the discharging scraper can be driven to reciprocate in a sliding groove on the supporting frame, a connecting frame can drive a rotating block to rotate on the other driving block in the moving process of the driving block connected with the discharging scraper, the other driving block can be driven to move in the opposite direction by the abutting force when the rotating block is pulled by the connecting frame, the arranged elastic spring can reset when the driving block is pulled by the rotating block in the sliding groove, and further, when dregs flow between the two crushing grinding plates through the discharging hole, the two driving convex grinding balls on the two crushing grinding plates to crush and rub the dregs, so that the caked dregs can be crushed and rubbed into granular dregs, and the fine dregs can be conveniently crushed between the two crushing grinding plates, and the fine dregs can be conveniently collected by subsequent filtering operation personnel;

S2: when the dregs pass through the crushing equipment, the dregs are moved to the shaking plates on the two groups of shaking pieces through the blanking sliding chute, at the moment, one of the rotating rods is driven to rotate through the rotating motor, one of the rotating rods drives the rotating gear connected with the rotating rod to rotate, the rotating gear drives the other rotating gear to rotate so as to enable the two rotating rods to rotate simultaneously, the two rotating rods rotate simultaneously so as to drive the two rotating discs to rotate simultaneously, the rotating discs rotate to drive the eccentric frame to move, the connecting frame can be pulled to rotate to up-and-down undulate on the fixing frame under the limit of the fixing frame when the eccentric frame rotates, the shaking plates can be driven to up-and-down undulate, so that the dregs falling on the shaking plates are subjected to shaking filtration to shake and remove the dregs on impurities contained in the dregs, the dregs screening effect is better, when the shaking plates on the two groups of shaking pieces are pulled downwards through the eccentric frame, the shaking plates on the two groups of shaking pieces are in a centering and tilting state at the moment, the dregs and fine impurities can fall into the blanking plate through gaps existing between the two groups of shaking plates, larger impurities left by the crushing equipment can not fall downwards through the gaps and remain on the shaking plates, further, the dregs on the impurities can be subjected to more effective shaking filtration through the primary screening equipment, the larger impurities can not enter the next operation link on the shaking plates, damage to the operation machinery is avoided, the operation staff can conveniently collect the larger impurities in the dregs, the filtered dregs enter the screening box through the blanking plate, and the larger impurities can be taken out by the operation staff through the material taking opening to finish the work;

S3: when the dregs fall into the screening box body through the blanking plate, the dregs fall onto the guiding conveying belt, the guiding conveying belt conveys the dregs towards one side with high inclination, the dregs fall onto one side with low inclination on the guiding conveying belt due to self gravity and the inclination angle of the guiding conveying belt, the downward falling dregs can be scraped by the driving of the scraping piece, before the scraping piece scrapes the dregs on the guiding conveying belt, the screening piece is contacted with the scraping brush on the scraping piece under the movement of the guiding conveying belt, the scraping brush drives the magnetic roller to enable the screening frame to press down on the bearing frame, so that the magnetic roller can be effectively contacted with the dregs on the guiding conveying belt, magnetic impurities attached to the dregs on the guiding conveying belt are removed, the bearing frame can shield the fallen dregs when the magnetic roller is contacted with the scraping brush, the magnetic roller is not contacted with the scraping brush under the continuous driving of the guiding conveying belt, and then the two tension springs rebound, and the two tension springs pull the magnetic roller to enable the screening frame to be contacted with the magnetic impurities on the guiding conveying belt, so that the magnetic impurities are not lifted on the guiding conveying belt to be contacted with the dregs, and the magnetic impurities are prevented from being rubbed with the magnetic impurities in the filtering process;

S4: when the magnetic roller adsorbs magnetic impurities in the dregs, the screening piece moves to the position of the rotary drum under the drive of the guide transmission belt, the magnetic roller is in a tilting state and is contacted with the ferromagnetic plate on the rotary drum, meanwhile, the magnetic roller can roll to move the magnetic materials to the ferromagnetic plate when being contacted with the ferromagnetic plate through the arrangement of the two tension springs, so that the transfer and the transportation of the magnetic materials are realized, after a group of screening pieces move the magnetic impurities to the ferromagnetic plate, the clamping frame on the screening piece is driven by the guide transmission belt to contact with the clamping groove on the chuck, so that the chuck drives the installation rod to rotate, the installation rod rotates to enable the ferromagnetic plate adsorbed with the magnetic impurities to rotate to the intercepting opening to facilitate the collection and treatment of the magnetic impurities, on one hand, the intermittent discharging work of the magnetic impurities is realized, the machine can run for a long time, the work efficiency of the whole dregs processing is improved, on the other hand, the rotation of the ferromagnetic plate adsorbed with the magnetic impurities can avoid the influence on the magnetic impurities accumulated on the work process after the ferromagnetic plate is adsorbed with the excessive magnetic impurities, and the work effect of the magnetic impurities is completed;

S5: when the dregs are contacted with the magnetic roller, the rotating motor drives the rotating rod to rotate, and the rotating rod drives the rotating roller to enable the scraping brush to scrape the dregs at the lower part of the guide transmission belt, so that the discharging work of the dregs is realized, and finally the dregs are taken out through the discharging hole.

Compared with the prior art, the invention has the beneficial effects that:

according to the invention, when the dregs pass through the crushing equipment and are processed, the dregs can move to the shaking plates on the two groups of shaking pieces through the blanking sliding groove, at the moment, one rotating rod is driven by the rotating motor to rotate, the rotating gear is driven by the rotating rod to rotate with the rotating gear connected with the rotating rod, the other rotating gear is driven by the rotating gear to rotate so as to enable the two rotating rods to rotate simultaneously, the two rotating rods are rotated simultaneously so as to drive the two rotating plates to rotate simultaneously, the rotating plates can rotate to drive the positions of the eccentric frames to move, and when the eccentric frames rotate under the limit of the fixing frame, the connecting frames can be pulled to move up and down on the fixing frame, so that the shaking plates can be driven to move up and down, thereby shaking and filtering dregs on the dregs which are fallen on the shaking plates are subjected to shaking filtration, the dregs contained in the dregs can be removed through shaking, the effect of the dregs is better, when the shaking plates on the two groups of shaking pieces are pulled down through the eccentric frames, the shaking plates on the two groups of shaking pieces are in a centering inclined state at the moment, and small impurities can fall into the blanking plates through gaps existing between the two groups of shaking plates, the shaking plates can be pulled into the blanking plates under the limit of the fixing frame, the shaking plates can not be conveniently carried out by the shaking plates, and the large shaking plates can not be removed through the shaking frames, and can be conveniently carried out by the shaking and can be removed by the shaking filter by the filtering device through the large personnel through the filtering device.

According to the invention, when the dregs fall into the screening box body through the blanking plate, the dregs fall onto the guide conveying belt, the guide conveying belt conveys the dregs towards the side with high inclination, the dregs fall onto the side with low inclination of the guide conveying belt due to self gravity and the inclination angle of the guide conveying belt, the dregs falling downwards are scraped by the driving of the scraping piece, before the scraping piece scrapes the dregs on the guide conveying belt, the screening piece moves downwards to contact with the scraping brush on the scraping piece, the scraping brush drives the magnetic roller to enable the screening frame to press downwards on the bearing frame, so that the magnetic roller can be effectively contacted with the dregs on the guide conveying belt, magnetic impurities attached to the dregs on the guide conveying belt are removed, the bearing frame can shield the fallen dregs when the magnetic roller is contacted with the scraping brush, and after the magnetic roller is continuously driven by the guide conveying belt to be not contacted with the scraping brush, the two pulling springs pull the pulling rod to enable the screening frame to be contacted with the magnetic impurities on the bearing rod upwards, and the magnetic impurities on the guide conveying belt are prevented from being rebounded, and the magnetic impurities are prevented from contacting with the magnetic impurities on the guide conveying belt, and the magnetic impurities are prevented from being scraped and removed.

According to the invention, after the magnetic roller adsorbs magnetic impurities in the dregs, the screening piece moves to the position of the rotary drum under the drive of the guide conveying belt, at the moment, the magnetic roller is in a tilted state, and is contacted with the ferromagnetic plate on the rotary drum, meanwhile, the magnetic roller can roll when being contacted with the ferromagnetic plate through the arrangement of the two tension springs, so that all magnetic materials can be moved to the ferromagnetic plate, the transfer and the conveying of the magnetic materials are realized, after a group of screening pieces move the magnetic impurities to the ferromagnetic plate, the clamping frame on the screening piece is contacted with the clamping groove on the chuck under the drive of the guide conveying belt, and then the chuck drives the mounting rod to rotate, so that the rotary drum rotates, the ferromagnetic plate adsorbed with the magnetic impurities is conveniently collected and processed by an operator to the cut opening, on one hand, intermittent discharging work of the magnetic impurities is realized, the machine can be operated for a long time, the work efficiency of whole dregs processing is improved, on the other hand, the work effect of accumulating the magnetic impurities generated after the ferromagnetic plate adsorbed with the magnetic impurities is rotated, and the magnetic impurities are adsorbed on the ferromagnetic plate is prevented from being influenced, and the magnetic impurities are accumulated.

Drawings

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

FIG. 2 is a schematic diagram of a second perspective structure of the present invention;

FIG. 3 is a schematic view of a partial perspective view of the present invention;

FIG. 4 is a partial perspective view in section of the comminution apparatus of the present invention;

FIG. 5 is a partial perspective view of a second embodiment of the comminution apparatus of the present invention;

FIG. 6 is a schematic view of a partial perspective view of a primary screening apparatus of the present invention;

FIG. 7 is a front view of the primary screening apparatus of the present invention;

FIG. 8 is a schematic view of a partial perspective structure of the present invention;

FIG. 9 is a partial perspective view of a cross-sectional structure of the present invention;

FIG. 10 is a partial perspective view of a screening member of the present invention;

fig. 11 is a schematic perspective view of a cut-out member according to the present invention.

In the figure: 1. a carrying platform; 2. a crushing device; 21. a support frame; 211. a discharge port; 212. a blanking chute; 213. a chute; 22. driving the electric cylinder; 23. a blanking scraper; 3. a driving member; 31. a driving block; 32. an elastic spring; 33. a connecting frame; 34. a rotating block; 35. crushing and grinding the plate; 36. protruding grinding balls; 4. a primary screening device; 41. a primary screen frame; 411. a material taking port; 42. a blanking plate; 43. a rotating motor; 44. a rotating lever; 45. rotating the gear; 46. a rotating disc; 5. a dithering member; 51. an eccentric frame; 52. a shaking plate; 53. a fixing frame; 54. a linkage frame; 6. a screening device; 61. screening a box body; 611. intercepting an opening; 62. guiding the transmission belt; 7. screening pieces; 71. a carrier; 711. a clamping frame; 72. a carrier bar; 73. pulling the rod; 74. a screening frame; 75. a tension spring; 8. cutting out a piece; 81. a rotating drum; 82. a strong magnetic plate; 83. a mounting rod; 84. a chuck; 85. a clamping groove; 9. a scraping piece; 91. a rotating electric machine; 92. a rotating rod; 93. a rotating roller; 94. scraping and brushing; 95. a discharge port; 10. magnetic roller.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which are obtained by a worker of ordinary skill in the art without creative efforts, are within the protection scope of the present invention based on the embodiments of the present invention.

Referring to fig. 1 to 11, the present invention provides a technical solution: the utility model provides a reducing mechanism is retrieved to building dregs, includes plummer 1, crushing apparatus 2, prescreening equipment 4 and screening apparatus 6, plummer 1 is the level and places subaerial, crushing apparatus 2 sets up at the top of plummer 1 and is the slope setting, prescreening equipment 4 sets up on plummer 1 and is located the below of crushing apparatus 2, screening apparatus 6 is fixed to be set up on plummer 1 and is located prescreening equipment 4's below, screening apparatus 6 includes screening box 61, direction transmission band 62, screening piece 7, intercepting piece 8, scraping piece 9 and magnetic roll 10, screening box 61 is fixed to be set up on the outer wall of plummer 1 and is located prescreening equipment 4's below, direction transmission band 62 is the slope setting in screening box 61's inside and direction transmission band 62's direction of delivery orientation and is carried towards one side that the slope is high, screening piece 7 sets up on the belt of direction transmission band 62, intercepting piece 8 rotate setting in screening box 61 and with screening piece 7 sliding fit, scraping piece 7 sets up in direction transmission band 62 and is located one side of slope transmission band 10.

In this embodiment, as shown in fig. 1, 2, 3, 4 and 5, the crushing apparatus 2 includes a support frame 21, a driving cylinder 22, a discharging scraper 23, two sets of driving members 3 and two crushing grinding plates 35, where the support frame 21 is fixedly disposed at the top of the bearing table 1 and is disposed in an inclined manner, the support frame 21 is disposed at a high end and is provided with a discharging opening 211, the support frame 21 is disposed at a low end and is provided with a discharging chute 212, the driving cylinder 22 is disposed on an outer wall of the support frame 21 and a telescopic end of the driving cylinder 22 is in sliding fit with the support frame 21, the discharging scraper 23 is disposed at the discharging opening 211 on the telescopic end of the driving cylinder 22 and is disposed on the support frame 21, two sets of driving members 3 are symmetrically disposed on the support frame 21 and are in sliding fit with the support frame 21, the two crushing grinding plates 35 are respectively connected with the two sets of driving members 3 and the two crushing grinding plates 35 are in relative movement under the driving of the two sets of driving members 3, and the surfaces of the two crushing grinding plates 35 are provided with a plurality of convex grinding balls 36;

the two groups of driving pieces 3 comprise driving blocks 31 and two elastic springs 32, a sliding groove 213 which is in sliding fit with the driving blocks 31 on the two groups of driving pieces 3 is formed in the supporting frame 21, one end of each elastic spring 32 is connected with two inner walls of the sliding groove 213, the other end of each elastic spring 32 is connected with two ends of each driving block 31, the outer wall of one driving block 31 on one driving piece 3 is fixedly connected with the blanking scraper 23 and is connected with a connecting frame 33 which is arranged in a rotating mode, a rotating block 34 which is arranged in a rotating mode is arranged on the outer wall of the driving block 31 on the other driving piece 3, the connecting frame 33 is in hinged fit with the rotating block 34, and the two crushing and grinding plates 35 are connected with the driving blocks 31 on the two groups of driving pieces 3 respectively; building dregs are discharged between two grinding plates 35 through a discharging hole 211 on a supporting frame 21, then a driving electric cylinder 22 drives a discharging scraper 23 to reciprocate on the supporting frame 21, further the phenomenon that dregs at the discharging hole 211 are accumulated and blocked can be avoided through the discharging scraper 23, when the discharging scraper 23 moves forwards and backwards on the supporting frame 21, a driving block 31 connected with the discharging scraper 23 can be driven to reciprocate in a chute 213 on the supporting frame 21, a connecting frame 33 of the driving block 31 connected with the discharging scraper 23 can drive a rotating block 34 to rotate on the other driving block 31 in the moving process, the other driving block 31 can be driven by a force which is contradicted when the connecting frame 33 pulls the rotating block 34 to move in the opposite direction, and an elastic spring 32 is arranged, so that the driving block 31 can reset when the rotating block 34 is pulled in the chute 213, and further when dregs flow between the two grinding plates 35 through the discharging hole 211, the two driving blocks 31 can reversely move to drive a convex grinding ball 36 on the two grinding plates 35 to rub the dregs, so that the dregs on the two grinding plates can be ground, and the fine dregs can be conveniently crushed by the subsequent filtering dregs can be collected by the subsequent grinding staff.

In this embodiment, as shown in fig. 1, 2, 3, 4, 5, 6 and 7, the primary screening device 4 includes a primary screening frame 41 and a blanking plate 42, a rotating motor 43, two rotating rods 44, two rotating gears 45, two rotating discs 46 and two groups of shaking pieces 5, the primary screening frame 41 is fixedly disposed on the outer wall of the bearing table 1 and is located beside the blanking chute 212, a material taking opening 411 is formed in the top end of the primary screening frame 41, the rotating motor 43 is disposed on the top of the bearing table 1, the two rotating rods 44 are symmetrically disposed on the primary screening frame 41 and are in rotating fit with the primary screening frame 41, a spindle of the rotating motor 43 is in transmission fit with one of the rotating rods 44, the two rotating gears 45 are respectively sleeved on the two rotating rods 44 and meshed with the two rotating gears 45, the two rotating discs 46 are respectively fixedly disposed on the two rotating rods 44, and the two groups of shaking pieces 5 are respectively disposed on the two rotating discs 46;

the two groups of shaking pieces 5 comprise an eccentric frame 51, a shaking plate 52, two fixing frames 53 and two linkage frames 54, wherein the eccentric frame 51 is eccentrically arranged on the rotating disc 46, the two fixing frames 53 are symmetrically and fixedly arranged on the inner wall of the primary screening frame 41, the two linkage frames 54 are respectively rotatably arranged on the two fixing frames 53, one linkage frame 54 is hinged and matched with the eccentric frame 51, the shaking plate 52 is fixedly arranged on the top of the linkage frame 54, and the blanking plate 42 is fixedly arranged on the primary screening frame 41 and is positioned below the shaking plate 52 on the two groups of shaking pieces 5; when the dregs are processed by the crushing equipment 2, the dregs are moved to the shaking plates 52 on the two shaking pieces 5 through the blanking chute 212, at the moment, one of the rotating rods 44 is driven to rotate through the rotating motor 43, one of the rotating rods 44 drives the rotating gear 45 connected with the rotating rod 44 to rotate, the rotating gear 45 drives the other rotating gear 45 to rotate so as to enable the two rotating rods 44 to rotate simultaneously, the two rotating rods 44 rotate simultaneously so as to drive the two rotating discs 46 to rotate simultaneously, the rotating discs 46 rotate so as to drive the eccentric frame 51 to move, and the connecting frame 33 can be pulled to rotate up and down on the fixed frame 53 under the limit of the fixed frame 53 when the eccentric frame 51 rotates, so that the shaking plates 52 can be driven to move up and down so as to shake and filter the dregs falling on the shaking plates 52 to remove the dregs contained in the impurities, when the shaking plates 52 on the two groups of shaking pieces 5 are pulled downwards through the eccentric frame 51, the shaking plates 52 on the two groups of shaking pieces 5 are in a centering and tilting state, the dregs and fine impurities can fall into the blanking plate 42 through gaps existing between the two groups of shaking plates 52, larger impurities left by the crushing equipment 2 can not fall down through the gaps on the shaking plates 52, further, the dregs on the impurities can be more effectively shaking and filtered through the primary screening equipment 4, larger impurities can be left on the shaking plates 52 and can not enter the next operation link to avoid damage to operation machinery and facilitate the collection and treatment of the larger impurities in the dregs by operators, the filtered dregs enter the screening box 61 through the blanking plate 42, and the larger impurities can be taken out by an operator through the material taking hole 411 to finish the work.

In this embodiment, as shown in fig. 8, 9 and 10, the blanking plate 42 is connected to the top of the screening box 61, the screening pieces 7 are provided with a plurality of screening pieces 7, which are equidistantly disposed on the belt surface on the guiding conveyor belt 62, the plurality of screening pieces 7 each include a carrier 71, a carrier rod 72, a pulling rod 73, a screening frame 74 and two tension springs 75, the carrier 71 is disposed on the belt surface on the guiding conveyor belt 62, the carrier rod 72 is fixedly disposed on the carrier 71, the screening frame 74 is disposed on the carrier rod 72 and is in running fit with the carrier rod 72, the pulling rod 73 is disposed on the carrier 71, two ends of the two tension springs 75 are respectively connected with the carrier 71 and the carrier rod 72, and the magnetic roller 10 is rotatably disposed on the screening frame 74 and above the guiding conveyor belt 62; when the dregs fall into the screening box 61 through the blanking plate 42, the dregs fall onto the guiding and conveying belt 62, the guiding and conveying belt 62 conveys the dregs towards the side with high inclination, the dregs fall onto the side with low inclination of the guiding and conveying belt 62 due to self gravity and the inclination angle of the guiding and conveying belt 62, the downward falling dregs can be scraped off by the driving of the scraping piece 9, when the scraping piece 9 scrapes the dregs on the guiding and conveying belt 62, the screening piece 7 is contacted with the scraping brush 94 on the scraping piece 9 under the movement of the guiding and conveying belt 62, the scraping brush 94 drives the magnetic roller 10 to enable the screening frame 74 to be pressed up and down on the bearing frame 71, so that the magnetic roller 10 can be effectively contacted with the dregs on the guiding and conveying belt 62, the bearing frame 71 can shield the fallen dregs due to the self gravity force of the guiding and conveying belt 62, and the two magnetic rollers 10 are not contacted with the scraping brushes 94, and the magnetic roller 75 are prevented from being contacted with the magnetic bars 75 after the continuous driving of the guiding and conveying belt 62 is not contacted with the scraping brush 94, and the magnetic impurities are prevented from being contacted with the magnetic bars 75, and the magnetic impurities are prevented from being separated from the magnetic bars 75.

In this embodiment, as shown in fig. 8, 9 and 10, the intercepting member 8 includes a rotating drum 81 and a mounting rod 83, the rotating rod 44 is rotatably disposed in the screening box 61, the rotating drum 81 is fixedly disposed on the mounting rod 83, a intercepting opening 611 is formed in a position of the screening box 61 above the rotating drum 81, the rotating drum 81 is disposed in a polygonal diamond shape, a ferromagnetic plate 82 is disposed on each diamond shape of the rotating drum 81, a chuck 84 is further disposed on the mounting rod 83 beside the rotating drum 81, a clamping groove 85 equivalent to a plurality of diamond shapes is formed around a center of the mounting rod 83 in the chuck 84, and a plurality of clamping frames 711 in sliding fit with the clamping grooves 85 are disposed on outer walls of the bearing frames 71 on the screening member 7; after the magnetic roller 10 adsorbs the magnetic impurities in the dregs, the screening piece 7 moves towards the position of the rotary drum 81 under the drive of the guide transmission belt 62, the magnetic roller 10 is in a lifted state, the magnetic roller 10 contacts with the ferromagnetic plate 82 on the rotary drum 81, meanwhile, the magnetic roller 10 can roll to move the magnetic materials to the ferromagnetic plate 82 when contacting with the ferromagnetic plate 82 through the arrangement of the two tension springs 75, the transfer and the transportation of the magnetic materials are realized, after a group of screening pieces 7 move the magnetic impurities to the ferromagnetic plate 82, the clamping frame 711 on the screening piece 7 is contacted with the clamping groove 85 on the clamping disc 84 under the drive of the guide transmission belt 62, the clamping disc 84 drives the installation rod 83 to rotate, the installation rod 83 rotates to enable the ferromagnetic plate 82 adsorbed with the magnetic impurities to rotate to the intercepting opening 611, on one hand, the intermittent work of the magnetic impurities is realized by rolling the magnetic impurities, the machine can run for a long time, the work efficiency of the whole dregs is improved, and on the other hand, the magnetic impurities are prevented from being adsorbed on the ferromagnetic plate 82, and the magnetic impurities are prevented from being adsorbed by the magnetic impurities, and the magnetic impurities are prevented from being accumulated on the other hand, and the magnetic impurities are prevented from being adsorbed on the ferromagnetic plate 82.

In this embodiment, as shown in fig. 8, 9 and 10, the scraping member 9 includes a rotating motor 91, a rotating rod 92 and a rotating roller 93, the rotating motor 91 is fixedly disposed on an outer wall of the screening box 61, the rotating rod 92 is disposed on a main shaft of the rotating motor 91 and is in running fit with the outer wall of the screening box 61, the rotating roller 93 is fixedly disposed on the rotating rod 92 and is located at a side of the inclined lower guiding belt 62, a plurality of scraping brushes 94 are disposed on the outer wall of the rotating roller 93 around a circumference of the rotating roller 93, and a discharge port 95 is formed at a side of the screening box 61 located at the scraping brushes 94; when the dregs are contacted with the magnetic roller 10, the rotary motor 91 drives the rotary rod 92 to rotate, the rotary rod 92 drives the rotary roller 93 to scrape the dregs at the lower part of the guide transmission belt 62 by the scraping brush 94, so that the discharging work of the dregs is realized, and finally the dregs are taken out through the discharging hole 95.

The application method and the advantages of the invention are as follows: the application method of the building residue soil recycling and crushing device comprises the following working processes:

as shown in fig. 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 and 11:

s1: building dregs are discharged between two grinding plates 35 through a discharging hole 211 on a supporting frame 21, then a driving electric cylinder 22 drives a discharging scraper 23 to reciprocate on the supporting frame 21, further the phenomenon that dregs at the discharging hole 211 are accumulated and blocked can be avoided through the discharging scraper 23, when the discharging scraper 23 moves forwards and backwards on the supporting frame 21, a driving block 31 connected with the discharging scraper 23 can be driven to reciprocate in a chute 213 on the supporting frame 21, a connecting frame 33 can drive a rotating block 34 to rotate on the other driving block 31 in the moving process of the driving block 31 connected with the discharging scraper 23, and the other driving block 31 can be driven to move in the opposite direction by the force of the rotating block 34 pulled by the connecting frame 33, and an elastic spring 32 can reset the driving block 31 when the rotating block 34 is pulled in the chute 213, so that when dregs flow between the two grinding plates 35 through the discharging hole 211, the two driving blocks 31 can reversely move to drive a convex grinding ball 36 on the two grinding plates 35 to rub the dregs, so that the dregs can be conveniently ground and the fine dregs can be conveniently collected by the subsequent grinding staff;

S2: when the dregs are processed by the crushing equipment 2, the dregs are moved to the shaking plates 52 on the two shaking pieces 5 through the blanking chute 212, at the moment, one of the rotating rods 44 is driven to rotate through the rotating motor 43, one of the rotating rods 44 drives the rotating gear 45 connected with the rotating rod 44 to rotate, the rotating gear 45 drives the other rotating gear 45 to rotate so as to enable the two rotating rods 44 to rotate simultaneously, the two rotating rods 44 rotate simultaneously so as to drive the two rotating discs 46 to rotate simultaneously, the rotating discs 46 rotate so as to drive the eccentric frame 51 to move, and the connecting frame 33 can be pulled to rotate up and down on the fixed frame 53 under the limit of the fixed frame 53 when the eccentric frame 51 rotates, so that the shaking plates 52 can be driven to move up and down so as to shake and filter the dregs falling on the shaking plates 52 to remove the dregs contained in the impurities, when the shaking plates 52 on the two groups of shaking pieces 5 are pulled downwards through the eccentric frame 51, the shaking plates 52 on the two groups of shaking pieces 5 are in a centering and tilting state, the dregs and fine impurities can fall into the blanking plate 42 through gaps existing between the two groups of shaking plates 52, larger impurities left by the crushing equipment 2 can not fall down through the gaps on the shaking plates 52, further, the dregs on the impurities can be more effectively shaking and filtered through the primary screening equipment 4, larger impurities can be left on the shaking plates 52 and can not enter the next operation link to avoid damage to operation machinery and facilitate the collection and treatment of the larger impurities in the dregs by operators, the filtered dregs enter the screening box 61 through the blanking plate 42, the larger impurities can be taken out by an operator through the material taking hole 411 to finish the work;

S3: when the dregs fall into the screening box 61 through the blanking plate 42, the dregs fall onto the guiding and conveying belt 62, the guiding and conveying belt 62 conveys the dregs towards the side with high inclination, the dregs fall onto the side with low inclination of the guiding and conveying belt 62 due to self-weight force of the dregs and inclination angle of the guiding and conveying belt 62, the downward falling dregs can be scraped by the driving of the scraping piece 9, when the scraping piece 9 scrapes the dregs on the guiding and conveying belt 62, the screening piece 7 is contacted with the scraping brush 94 on the scraping piece 9 under the movement of the guiding and conveying belt 62, the scraping brush 94 drives the magnetic roller 10 to enable the screening frame 74 to be pressed up and down on the bearing frame 71, so that the magnetic roller 10 can be effectively contacted with the dregs on the guiding and conveying belt 62, the bearing frame 71 can shield the fallen dregs due to the fact that the magnetic roller 10 is contacted with the scraping brush 94, and the two magnetic rollers 75 are not contacted with the magnetic rollers 75 after the two magnetic rollers 10 are continuously driven by the guiding and conveying belt 62, and the magnetic rollers 75 are not contacted with the magnetic impurities, and the magnetic impurities are prevented from being pulled up and the magnetic rods 75;

S4: after the magnetic roller 10 adsorbs the magnetic impurities in the dregs, the screening piece 7 moves towards the position of the rotary drum 81 under the drive of the guide transmission belt 62, the magnetic roller 10 is in a raised state, the magnetic roller 10 contacts with the ferromagnetic plate 82 on the rotary drum 81, meanwhile, the magnetic roller 10 contacts with the ferromagnetic plate 82 through the arrangement of the two tension springs 75, all the magnetic materials can be moved onto the ferromagnetic plate 82 by rolling, the transfer and the transportation of the magnetic materials are realized, after a group of screening pieces 7 move the magnetic impurities onto the ferromagnetic plate 82, the clamping frame 711 on the screening piece 7 contacts with the clamping groove 85 on the clamping disc 84 under the drive of the guide transmission belt 62, the clamping disc 84 drives the installation rod 83 to rotate, the installation rod 83 rotates to enable the ferromagnetic plate 82 adsorbed with the magnetic impurities to rotate to the intercepting opening 611, on one hand, the intermittent work of the magnetic impurities is realized by rolling, the machine can be operated for a long time, the work efficiency of the whole dregs is improved, and on the other hand, the magnetic impurities are prevented from being adsorbed on the ferromagnetic plate 82, and the magnetic impurities are prevented from being accumulated on the other hand, and the magnetic impurities are prevented from being adsorbed on the ferromagnetic plate 82;

S5: when the dregs are contacted with the magnetic roller 10, the rotary motor 91 drives the rotary rod 92 to rotate, the rotary rod 92 drives the rotary roller 93 to scrape the dregs at the lower part of the guide transmission belt 62 by the scraping brush 94, so that the discharging work of the dregs is realized, and finally the dregs are taken out through the discharging hole 95.

The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present invention, and are not intended to limit the invention, and that various changes and modifications may be made therein without departing from the spirit and scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a reducing mechanism is retrieved to building dregs, includes plummer (1), crushing apparatus (2), prescreening equipment (4) and screening plant (6), plummer (1) is the level and places subaerial, crushing apparatus (2) set up at the top of plummer (1) and are the slope setting, prescreening equipment (4) set up on plummer (1) and are located the below of crushing apparatus (2), screening plant (6) are fixed to be set up on plummer (1) and are located the below of prescreening equipment (4), its characterized in that: screening equipment (6) are including screening box (61), direction conveyer belt (62), screening piece (7), intercepting piece (8), scrape material piece (9) and magnetic roll (10), screening box (61) are fixed to be set up on the outer wall of plummer (1) and be located the below of prescreening equipment (4), direction conveyer belt (62) are the slope and set up in screening box (61) inside and the direction conveyer belt (62) the direction of delivery of direction conveyer belt (62) and carry towards one side that inclines high, screening piece (7) set up on the belt of direction conveyer belt (62), intercepting piece (8) rotate set up in screening box (61) and with screening piece (7) sliding fit, scrape material piece (9) rotate and set up in screening box (61) and be located the direction conveyer belt (62) the one side that inclines low, magnetic roll (10) rotate and set up on screening piece (7) and be located the top of direction conveyer belt (62).

2. The construction waste soil recycling and crushing device according to claim 1, wherein: crushing apparatus (2) are including support frame (21), drive jar (22), unloading scraper blade (23), two sets of driving piece (3) and two crushing mill board (35), the fixed top that sets up in plummer (1) of support frame (21) just is the slope setting, support frame (21) are slope setting and are located high one end and are equipped with drain hole (211), support frame (21) are slope setting and are located low one end and are equipped with unloading spout (212), drive jar (22) set up on the outer wall of support frame (21) and the flexible end and the support frame (21) sliding fit of drive jar (22), unloading scraper blade (23) set up on the flexible end of drive jar (22) and be located drain hole (211) department on support frame (21), two sets of driving piece (3) symmetry set up on support frame (21) and with support frame (21) sliding fit, two crushing mill board (35) are connected and two crushing mill board (35) are two and are the drive of two sets of grinding board (35) respectively and are a plurality of grinding balls (36) and move under two sets of driving piece (3), two grinding ball (35) are all equipped with grinding ball.

3. The construction waste soil recycling and crushing device according to claim 2, wherein: two sets of driving piece (3) all include driving piece (31) and two elastic spring (32), set up on support frame (21) with driving piece (31) sliding fit's on two sets of driving piece (3) spout (213), two elastic spring (32) one end is connected with two inner walls of spout (213) respectively, two elastic spring (32) the other end is connected with the both ends of driving piece (31), and driving piece (31) outer wall and unloading scraper blade (23) fixed connection on one of them driving piece (3) and be connected with link (33) that rotate the setting are equipped with on driving piece (31) outer wall on another driving piece (3) and rotate setting's rotating block (34), link (33) are articulated with rotating block (34) and cooperate, and two smash mill board (35) are connected with driving piece (31) on two sets of driving piece (3) respectively.

4. The construction waste soil recycling and crushing device according to claim 2, wherein: the utility model provides a pre-screening equipment (4) is including just screening frame (41), blanking board (42), rotation motor (43), two dwang (44), two rotation gear (45), two rolling disc (46) and two sets of shake piece (5), just screening frame (41) are fixed to be set up on the outer wall of plummer (1) and be located the side of unloading spout (212), material taking out mouth (411) has been seted up on the top of just screening frame (41), rotation motor (43) set up at the top of plummer (1), two dwang (44) symmetry set up on just screening frame (41) and with just screening frame (41) normal running fit, the main shaft of rotation motor (43) with one of them dwang (44) transmission cooperation, two rolling gear (45) are overlapped respectively and are established on two dwang (44) and two rolling gear (45) mesh, and two rolling disc (46) are fixed respectively to be set up on two rolling disc (44), two sets up respectively shake piece (5) and rotate on two.

5. The construction waste soil recycling and crushing device according to claim 4, wherein: two sets of shake piece (5) all include eccentric frame (51), shake board (52), two mount (53) and two interlock frame (54), eccentric frame (51) eccentric setting is on rolling disc (46), two mount (53) symmetry are fixed to be set up on the inner wall of just screen frame (41), two interlock frame (54) rotate respectively and set up on two mount (53), one of them interlock frame (54) and the articulated cooperation of eccentric frame (51), shake board (52) fixed setting is at the top of interlock frame (54), blanking board (42) are fixed to be set up on just screen frame (41) and are located shake board (52) below on two sets of shake piece (5).

6. The construction waste soil recycling and crushing device according to claim 4, wherein: blanking plate (42) are linked together with the top of screening box (61), screening piece (7) are equipped with a plurality of, and a plurality of screening piece (7) equidistant setting is on the belt surface on direction conveyer belt (62), a plurality of screening piece (7) all include carrier frame (71), carrier bar (72), pulling pole (73), screening frame (74) and two tension springs (75), carrier frame (71) set up the belt surface on direction conveyer belt (62), carrier bar (72) are fixed to be set up on carrier frame (71), screening frame (74) set up on carrier bar (72) and with carrier bar (72) normal running fit, pulling pole (73) set up on carrier frame (71), two both ends of tension springs (75) are connected with carrier frame (71) and carrier bar (72) respectively, magnetic roller (10) rotate and set up on carrier frame (74) and are located the top of direction conveyer belt (62).

7. The construction waste soil recycling and crushing device according to claim 6, wherein: the cutting-out piece (8) comprises a rotary drum (81) and a mounting rod (83), the rotary rod (44) is rotationally arranged in the screening box body (61), the rotary drum (81) is fixedly arranged on the mounting rod (83), a cutting-out opening (611) is formed in the position, above the rotary drum (81), of the screening box body (61), the rotary drum (81) is arranged on a polygonal diamond surface, and a strong magnetic plate (82) is arranged on each diamond surface of the rotary drum (81).

8. The construction waste soil recycling and pulverizing device according to claim 7, wherein: the installation rod (83) is located at the side of the rotary drum (81) and is further provided with a chuck (84), clamping grooves (85) which are identical to a plurality of diamond surfaces are formed in the chuck (84) around the circle center of the installation rod (83), and clamping frames (711) which are in sliding fit with the clamping grooves (85) are arranged on the outer walls of the bearing frames (71) on the screening pieces (7).

9. The construction waste soil recycling and crushing device according to claim 1, wherein: the scraping piece (9) comprises a rotating motor (91), a rotating rod (92) and a rotating roller (93), wherein the rotating motor (91) is fixedly arranged on the outer wall of the screening box body (61), the rotating rod (92) is arranged on a main shaft of the rotating motor (91) and is in running fit with the outer wall of the screening box body (61), the rotating roller (93) is fixedly arranged on the rotating rod (92) and is positioned on one side with low inclination of the guiding transmission belt (62), a plurality of scraping brushes (94) are arranged on the outer wall of the rotating roller (93) around the circumference of the rotating roller (93), and the screening box body (61) is positioned at the side of the scraping brushes (94) and is provided with a discharge outlet (95).

10. The method for using the construction waste soil recycling and crushing device according to claim 1, comprising the following steps:

S1: building muck is discharged between two grinding plates (35) through a discharging hole (211) on a supporting frame (21), then a driving electric cylinder (22) drives a discharging scraper (23) to reciprocate back and forth on the supporting frame (21), further the phenomenon that muck at the discharging hole (211) is accumulated and clamped can be avoided through the discharging scraper (23), when the discharging scraper (23) moves back and forth on the supporting frame (21), a driving block (31) connected with the discharging scraper (23) can be driven to move back and forth in a sliding groove (213) on the supporting frame (21), a driving block (31) connected with the discharging scraper (23) can drive a rotating block (34) to rotate on the other driving block (31) in the moving process, the other driving block (31) can be driven by a force which is contradicted when the connecting frame (33) pulls the rotating block (34) to rotate to move in the opposite direction, when the driving block (31) is pulled by the rotating block (34) in the sliding groove (213), the driving block (31) can be driven to reset in the sliding groove (213) to move back and forth through the two grinding plates (35) when two grinding plates (35) are ground by reversely moving, thereby crushing the agglomerated dregs and impurities thereof into fine particles between two crushing and grinding plates (35), facilitating the subsequent filtration of the dregs and the collection and treatment of the fine dregs by subsequent operators;

S2: when the dregs pass through the crushing equipment (2) and then are moved to the shaking plates (52) on the two groups of shaking pieces (5) through the blanking chute (212), at the moment, one of the rotating rods (44) is driven to rotate through the rotating motor (43), one of the rotating rods (44) drives the rotating gear (45) connected with the rotating rod to rotate, the rotating gear (45) drives the other rotating gear (45) to rotate so as to enable the two rotating rods (44) to rotate simultaneously, the two rotating rods (44) rotate simultaneously so as to drive the two rotating discs (46) to rotate simultaneously, the rotating discs (46) rotate so as to drive the eccentric frames (51) to move, and when the eccentric frames (51) rotate, the connecting frames (33) can be pulled to rotate up and down on the fixed frames (53), and then the shaking plates (52) can be driven to up and down fluctuation so as to shake and filter dregs contained in the dregs, so that the dregs can be removed, the dregs can be screened better, and the two groups of shaking pieces (5) can be pulled to be in a fine state when the shaking plates (52) are in a shaking state and the shaking plates (52) are in a shaking state between two groups, the larger impurities left by the crushing equipment (2) can not fall down through gaps on the shaking plate (52), so that the residue on the impurities can be more effectively shaking and filtered through the primary screening equipment (4), the larger impurities can not enter the next operation link to avoid damaging operation machinery and facilitate the collection and treatment of the larger impurities in the residue by operators, the filtered residue enters the screening box (61) through the blanking plate (42), and the larger impurities can be taken out by the operators through the material taking port (411) to finish the work;

S3: when the dregs drop into the screening box body (61) through the blanking plate (42), the dregs drop onto the guiding and conveying belt (62), the guiding and conveying belt (62) conveys the dregs towards one side with high inclination, the dregs drop onto one side with low inclination on the guiding and conveying belt (62) due to self gravity and inclination angle of the guiding and conveying belt (62), the dregs drop downwards are scraped by the driving of the scraping piece (9), before the scraping piece (9) scrapes the dregs on the guiding and conveying belt (62), the screening piece (7) is contacted with the scraping brush (94) on the scraping piece (9) under the movement of the guiding and conveying belt (62), the scraping brush (94) drives the magnetic roller (10) to enable the screening frame (74) to be pressed down on the bearing frame (71), the magnetic roller (10) can be effectively contacted with the dregs on the guiding and conveying belt (62), the magnetic roller (10) in the downward sliding way can be scraped by the scraping piece (9), and when the scraping piece (9) scrapes the dregs on the guiding and conveying belt (62) is contacted with the magnetic roller (94) continuously and the magnetic scraping brush (75) is contacted with the magnetic roller (71) after the magnetic scraping brush (94) through the magnetic roller (75), the two tension springs (75) pull the pulling rods (73) to enable the screening frame (74) to be lifted upwards on the bearing rod (72) and not to contact with the dregs on the guide conveying belt (62), so that the magnetic impurities are prevented from being rubbed off from the magnetic roller (10) in the process of contacting with the dregs, and the magnetic impurities filtering work of the dregs is completed;

S4: after the magnetic roller (10) adsorbs the magnetic impurities in the dregs, the screening piece (7) moves to the position of the rotary drum (81) under the drive of the guide conveying belt (62), at the moment, the magnetic roller (10) is in a tilting state, the magnetic roller (10) is contacted with the ferromagnetic plate (82) on the rotary drum (81), the magnetic roller (10) is contacted with the ferromagnetic plate (82) through the arrangement of the two tension springs (75), all the magnetic materials can be moved to the ferromagnetic plate (82) by rolling, the transfer and the conveying of the magnetic materials are realized, and after a group of screening pieces (7) move the magnetic impurities to the ferromagnetic plate (82), the clamping frame (711) on the screening piece (7) is contacted with the clamping groove (85) on the chuck (84) under the drive of the guide conveying belt (62), so that the chuck (84) drives the mounting rod (83) to rotate, the rotary drum (81) rotates, the ferromagnetic plate (82) is enabled to absorb the magnetic impurities to be completely moved to the ferromagnetic plate (82), the magnetic impurities can be completely removed through the magnetic impurities, the intermittent discharging time of a worker is prolonged, and the magnetic impurities can be completely discharged through the magnetic impurities collecting operation is realized, on the other hand, the strong magnetic plate (82) adsorbed with the magnetic impurities is rotated, so that the phenomenon that the adsorption effect of the strong magnetic plate (82) is influenced after the strong magnetic plate (82) is accumulated due to the fact that excessive magnetic impurities are adsorbed on the strong magnetic plate (82) is avoided, and the process work of the dregs magnetic impurities is completed;

S5: after the dregs pass through with magnetic roller (10) contact, rotary motor (91) drives rotary rod (92) and rotates, and rotary rod (92) drives rotary roller (93) and makes and scrapes brush (94) to the dregs of direction conveyer belt (62) lower department, realizes the ejection of compact work of dregs, takes out the dregs through discharge gate (95) at last.