CN115090519A

CN115090519A - Renewable resources retrieves screening device

Info

Publication number: CN115090519A
Application number: CN202210739111.9A
Authority: CN
Inventors: 刘涛; 张鑫; 龙坤; 左晨灿
Original assignee: Ma'anshan Lvke Environmental Protection Technology Co ltd
Current assignee: Ma'anshan Lvke Environmental Protection Technology Co ltd
Priority date: 2022-06-28
Filing date: 2022-06-28
Publication date: 2022-09-23

Abstract

The invention discloses a renewable resource recovery screening device, and relates to the technical field of screening devices; the screening box comprises a screening box, wherein a feeding cover plate is rotatably arranged on the upper surface of the screening box, a first handle is fixedly arranged on the upper surface of the feeding cover plate, an overhauling cover plate is rotatably arranged on one side of the screening box, a second handle is fixedly arranged on one side of the overhauling cover plate, a discharging hopper is fixedly arranged in the screening box, two supporting rods are fixedly arranged on the lower surface of the discharging hopper, and one ends of the two supporting rods, which are far away from the discharging hopper, are fixedly connected with the inner wall of the screening box; through pouring the material into the sieve examine the frame in, when the reciprocating horizontal migration of sieve examine frame, the reciprocating horizontal migration of sieve examine frame can realize the sieve of renewable resources material and examine, and the sieve mesh that the material that is examined through the sieve surface by the sieve drops in a hopper to the convenient sieve that has realized less specification size material is examined, and then the effectual convenience that improves the material sieve and examine, simultaneously, has saved a large amount of artifical sieve and has examined the activity duration.

Description

Renewable resources retrieves screening device

Technical Field

The invention relates to the technical field of screening devices, in particular to a renewable resource recycling screening device.

Background

Recycling of renewable resources: the economic development mode of recycling renewable resources by continuously recycling materials is becoming a global trend. The strategy of sustainable development is agreed by everyone. Sustainable development is the development that meets the needs of contemporary human beings without damaging the ability of the latter to meet their needs, which is the amount we pay attention to economic growth, while they pay attention to the quality of the economic growth sought. The main sign is that the resources can be utilized forever, and good ecological environment is kept. The prior art has the following problems when recycling the renewable resources:

1. before processing, renewable resources need to be screened and classified, however, most of the existing technologies manually screen renewable resources, and when the specifications of renewable resources are small, the renewable resources are difficult to operate manually, so that screening of renewable resources is not convenient, and meanwhile, a large amount of manual screening operation time needs to be consumed;

2. when more dust exists on the surface of the regenerated resource, the manual screening operation enables the dust to be scattered around, so that the surrounding environment is influenced.

Disclosure of Invention

The method aims to solve the problem that the screening of renewable resources is inconvenient; the invention aims to provide a renewable resource recovery screening device.

In order to solve the technical problems, the invention adopts the following technical scheme: a renewable resource recycling screening device comprises a screening box, wherein a feeding cover plate is rotatably mounted on the upper surface of the screening box, a first handle is fixedly mounted on the upper surface of the feeding cover plate, an overhauling cover plate is rotatably mounted on one side of the screening box, a second handle is fixedly mounted on one side of the overhauling cover plate, a hopper is fixedly arranged in the screening box, two support rods are fixedly mounted on the lower surface of the hopper, one ends of the two support rods, far away from the hopper, are fixedly connected with the inner wall of the screening box, a screening frame is arranged in the screening box, a screen plate is detachably mounted in the screening frame, stable bases are fixedly mounted at four corners of the bottom end of the screening box, a screening mechanism for the screening frame is arranged in the screening box, a stirring mechanism is arranged in the screening frame, a replacing component for the screen plate is arranged on the surface of the screening frame, the inside of screening case is equipped with dust removal component.

Preferably, the screening mechanism comprises two guide blocks, two connecting rods are fixedly mounted on opposite sides of the two guide blocks, one ends of the connecting rods, far away from the guide blocks, are fixedly connected with the outer wall of the screening frame, two guide grooves are formed in the inner wall of the screening box, the guide blocks are slidably connected with the inner wall of the guide grooves, two pushing seats are fixedly mounted on one side of the screening frame, a rotating shaft is rotatably mounted between the two pushing seats, a connecting sleeve is fixedly mounted on the outer wall of the rotating shaft, a pushing rod is fixedly mounted on the outer wall of the connecting sleeve, a servo motor is fixedly arranged on one side of the screening box, a fixed block is fixedly connected with the outer wall of the servo motor, one side of the fixed block is fixedly connected with one side of the screening box, a rotating rod is fixedly mounted at the driving output end of the servo motor, and the rotating rod penetrates through the screening box and is rotatably connected with the screening box, servo motor's one end fixed mounting is kept away from to the dwang has the rolling disc, one side fixed mounting that the dwang was kept away from to the rolling disc has the connecting rod, the one end that the rolling disc was kept away from to the connecting rod is rotated with the one end of catch bar and is connected.

Preferably, the stirring mechanism comprises a stirring rod, a first fixing rod is fixedly mounted on the inner wall of the screening box, a sleeve is fixedly mounted at one end of the first fixing rod, the stirring rod penetrates through the sleeve and is rotatably connected with the sleeve, a fixing sleeve is fixedly mounted on the outer wall of the stirring rod, uniformly distributed stirring blades are fixedly mounted on the outer wall of the fixing sleeve, uniformly distributed soft brushes are fixedly mounted on the lower surfaces of the stirring blades, one ends of the soft brushes, far away from the stirring blades, are in movable contact with the upper surface of the sieve plate, a transmission rod is rotatably mounted on the upper surface of the screening box, synchronizing wheels are fixedly mounted at one ends of the transmission rod and the stirring rod, a synchronous belt is connected between the synchronizing wheels in a transmission manner, a gear is fixedly mounted at one end of the transmission rod, close to the screening box, a toothed plate is fixedly mounted inside the screening box, one side fixed mounting of pinion rack has two second dead levers, the one end that the pinion rack was kept away from to the second dead lever and the inner wall fixed connection of screening case, pinion rack and gear engagement are connected.

Preferably, the replacing component comprises a limiting inserted rod, the upper surface of the sieve plate is provided with a limiting jack, one side of the sieve plate is fixedly provided with a bulge, the inner wall of the screening frame is provided with a slot, the sieve plate is movably inserted with the inner wall of the slot, one side of the screening frame is provided with a sliding chute, the inner wall of the sliding chute is connected with a sliding block in a sliding way, one end of the limiting inserted bar, which is far away from the sliding block, is movably inserted with the inner wall of the limiting insertion hole, the lower surface of the sliding block is fixedly connected with one end of the limiting inserted bar, one side of the sliding block is fixedly provided with a push block, the inner wall of the chute is fixedly provided with a telescopic rod, the piston end of the telescopic rod is fixedly connected with the upper surface of the slide block, the outer wall activity cover of telescopic link is equipped with pressure spring, pressure spring's one end and the last fixed surface of slider are connected, pressure spring keeps away from the one end of slider and the inner wall fixed connection of spout.

Preferably, the dust removal subassembly is including the suction fan, the inner wall fixed connection of suction fan and screening case, the one end fixed mounting of suction fan has the dust exhaust pipe, the dust exhaust pipe is kept away from the one end of suction fan and is seted up circular recess.

The invention conveniently realizes the screening of the materials with smaller specifications, thereby effectively improving the convenience of material screening and saving a large amount of manual screening operation time; the stirring of the materials in the screening process is conveniently realized, the screening effect of the materials is effectively improved, and meanwhile, the influence on the screening efficiency of the materials due to the blockage of a plurality of screen holes on the surface of the screen plate is avoided; the sieve plates with different pore sizes can be conveniently replaced, and then materials with different specifications and sizes can be conveniently screened out subsequently.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the prior art descriptions will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

FIG. 1 is a schematic view of the external structure of the screening box of the present invention.

FIG. 2 is a schematic view of another external structure of the screening box of the present invention.

Fig. 3 is a sectional structure diagram of the screening box of the invention.

Fig. 4 is another sectional structure diagram of the screening box of the invention.

FIG. 5 is an enlarged view of portion A of FIG. 4 according to the present invention.

Fig. 6 is a schematic sectional structure view of the screening frame and the screen plate of the present invention.

FIG. 7 is an enlarged view of portion B of FIG. 6 according to the present invention.

FIG. 8 is an enlarged view of the portion C of FIG. 6 according to the present invention.

Fig. 9 is a schematic diagram of the separation of the screen plate and the screening frame of the present invention.

FIG. 10 is an enlarged view of the portion D of FIG. 9 according to the present invention.

In the figure: 1. screening the box; 11. a feeding cover plate; 12. a first handle; 13. overhauling a cover plate; 14. a second handle; 15. a discharge hopper; 16. a support bar; 17. screening the frame; 18. a sieve plate; 19. a stabilizing base; 2. a screening mechanism; 21. a guide block; 22. a connecting rod; 23. a guide groove; 24. a pushing seat; 25. a rotating shaft; 26. connecting sleeves; 27. a push rod; 28. a servo motor; 29. a fixed block; 3. rotating the rod; 31. rotating the disc; 32. a connecting rod; 4. a stirring mechanism; 41. a stirring rod; 42. a first fixing lever; 43. a sleeve; 44. fixing a sleeve; 45. stirring fan blades; 46. a soft brush; 47. a transmission rod; 48. a synchronizing wheel; 49. a synchronous belt; 5. a gear; 51. a toothed plate; 52. a second fixing bar; 6. replacing the component; 61. a limiting inserted rod; 62. limiting the jacks; 63. a protrusion; 64. a slot; 65. a chute; 66. a slider; 67. a push block; 68. a telescopic rod; 69. a compression spring; 7. a dust removal assembly; 71. an air suction fan; 72. a dust exhaust pipe; 73. a circular groove.

Detailed Description

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

Example (b): as shown in fig. 1-10, the invention provides a renewable resource recycling screening device, which comprises a screening box 1, wherein a discharge hopper 15 is fixedly arranged inside the screening box 1, a screening frame 17 is arranged inside the screening box 1, a screen plate 18 is detachably arranged inside the screening frame 17, a screening mechanism 2 for the screening frame 17 is arranged inside the screening box 1, the screening mechanism 2 can screen out smaller materials, a stirring mechanism 4 is arranged inside the screening frame 17, the stirring mechanism 4 can stir the materials in the screening frame 17, a replacing component 6 for the screen plate 18 is arranged on the surface of the screening frame 17, the replacing component 6 can conveniently replace the screen plate 18, through changing sieve 18, can be convenient for sieve and examine the material of different specifications size, the inside of sieve examination case 1 is equipped with dust removal component 7, and dust removal component 7 can take the dust on material surface out to realize unified emission.

Through adopting above-mentioned technical scheme, examine mechanism 2 through setting up the sieve, sieve and examine mechanism 2 is convenient for sieve and examine less material, through setting up rabbling mechanism 4, rabbling mechanism 4 stirs the material in the frame 17 is examined to the sieve, avoid piling up because of the material and leading to the sieve mesh on sieve 18 surface to be blockked up, through setting up replacement subassembly 6, be convenient for realize the change of sieve 18, thereby realize the sieve of the material of different specifications size and examine, through setting up dust removal subassembly 7, dust removal subassembly 7 takes the dust on material surface out, and realize unified emission.

The upper surface of the screening box 1 is rotatably provided with a feeding cover plate 11, the upper surface of the feeding cover plate 11 is fixedly provided with a first handle 12, the feeding cover plate 11 can be opened by pulling the first handle 12, the feeding cover plate 11 can be opened by opening the feeding cover plate 11, a worker can conveniently pour materials to be screened into a screening frame 17, one side of the screening box 1 is rotatably provided with an overhauling cover plate 13, one side of the overhauling cover plate 13 is fixedly provided with a second handle 14, the overhauling cover plate 13 can be opened by pulling the second handle 14, the lower surface of the discharging hopper 15 is fixedly provided with two supporting rods 16, one ends of the two supporting rods 16 far away from the discharging hopper 15 are fixedly connected with the inner wall of the screening box 1, the supporting rods 16 can support the discharging hopper 15, the stability of the discharging hopper 15 is improved, meanwhile, the discharging hopper 15 can realize the discharging of the materials after screening, and the four corners at the bottom end of the screening box 1 are fixedly provided with stabilizing seats 19, the stabilizing base 19 can improve the stability of the screening box 1.

Through adopting above-mentioned technical scheme, open pan feeding apron 11 through pulling first handle 12, the staff of being convenient for will treat that the material of screening is poured into in the screening frame 17, open through pulling second handle 14 and overhaul apron 13, is convenient for take out sieve 18, goes out the ejection of compact of the material after hopper 15 is convenient for realize the screening, stabilizes the stability that case 1 was examined to stable seat 19 improvement screening.

Screening mechanism 2 is including two guide blocks 21, the equal fixed mounting in opposite side of two guide blocks 21 has two connecting rods 22, connecting rod 22 keeps away from the one end of guide block 21 and the outer wall fixed connection of screening frame 17, guide block 21 can make screening frame 17 keep the horizontal direction to remove through connecting rod 22, two guide ways 23 have been seted up to the inner wall of screening case 1, the inner wall sliding connection of guide block 21 and guide way 23, guide block 21 can be along the inner wall horizontal slip of guide way 23.

By adopting the above technical scheme, through setting up guide block 21, connecting rod 22 and guide way 23, guide block 21 makes screening frame 17 keep the horizontal direction to remove through connecting rod 22.

Two pushing seats 24 are fixedly installed on one side of the screening frame 17, a rotating shaft 25 is rotatably installed between the two pushing seats 24, a connecting sleeve 26 is fixedly installed on the outer wall of the rotating shaft 25, a pushing rod 27 is fixedly installed on the outer wall of the connecting sleeve 26, the pushing rod 27 can enable the screening frame 17 to move in the horizontal direction through the connecting sleeve 26, meanwhile, the pushing rod 27 can rotate around the axis of the rotating shaft 25 through the connecting sleeve 26, a servo motor 28 is fixedly arranged on one side of the screening box 1, a rotating rod 3 is fixedly installed at the driving output end of the servo motor 28, the rotating rod 3 can be rotated by the driving shaft of the servo motor 28 by starting the servo motor 28, the rotating rod 3 penetrates through the screening box 1 and is rotatably connected with the screening box 1, a rotating disc 31 is fixedly installed at one end of the rotating rod 3, which is far away from the servo motor 28, and a connecting rod 32 is fixedly installed at one side of the rotating disc 31, which is far away from the rotating rod 3, one end of the connecting rod 32 far away from the rotating disc 31 is rotatably connected with one end of the pushing rod 27, and the rotating rod 3 can drive the pushing rod 27 to move through the rotating disc 31 and the connecting rod 32.

Through adopting above-mentioned technical scheme, through starting servo motor 28, servo motor 28's drive shaft makes dwang 3 rotate, dwang 3 passes through rolling disc 31 and the motion of connecting rod 32 drive catch bar 27, catch bar 27 passes through adapter sleeve 26, axis of rotation 25 and the reciprocal horizontal direction of propelling movement seat 24 messenger screening frame 17 remove, the screening of the reciprocal horizontal movement that screening frame 17 examined can be realized to the screening, the material examined by the screening passes through the sieve mesh on sieve 18 surface and drops in a hopper 15.

Outer wall fixedly connected with fixed block 29 of servo motor 28, one side of fixed block 29 and one side fixed connection of screening case 1, fixed block 29 can improve servo motor 28's stability.

By adopting the technical scheme, the fixed block 29 improves the stability of the servo motor 28.

The stirring mechanism 4 comprises a stirring rod 41, a fixed sleeve 44 is fixedly arranged on the outer wall of the stirring rod 41, stirring fan blades 45 which are uniformly distributed are fixedly arranged on the outer wall of the fixed sleeve 44, soft brushes 46 which are uniformly distributed are fixedly arranged on the lower surface of the stirring fan blades 45, one end, far away from the stirring fan blades 45, of each soft brush 46 is movably contacted with the upper surface of the sieve plate 18, the stirring rod 41 can enable the stirring fan blades 45 and the soft brushes 46 to rotate through the fixed sleeve 44, the stirring fan blades 45 can stir materials in the screening frame 17 to avoid the accumulation of the materials, the impurity garbage on the surface of the sieve plate 18 can be removed through the rotation of the soft brushes 46, the sieve holes on the surface of the sieve plate 18 are prevented from being blocked due to the impurity garbage, a transmission rod 47 is rotatably arranged on the upper surface of the screening frame 17, synchronous wheels 48 are fixedly arranged at one ends of the transmission rod 47 and the stirring rod 41, and a synchronous belt 49 is connected between the two synchronous wheels 48 in a transmission manner, the transmission rod 47 can enable the stirring rod 41 to rotate through two synchronizing wheels 48 and a synchronous belt 49, one end, close to the screening box 17, of the transmission rod 47 is fixedly provided with a gear 5, the gear 5 can enable the transmission rod 47 to rotate, a toothed plate 51 is fixedly arranged inside the screening box 1, the toothed plate 51 is meshed with the gear 5, when the screening box 17 moves horizontally, the screening box 17 enables the transmission rod 47 and the gear 5 to move synchronously, and the toothed plate 51 can drive the gear 5 to rotate.

Through adopting above-mentioned technical scheme, when the sieve is examined frame 17 horizontal migration, sieve is examined frame 17 and is made

transfer line

47 and 5 synchronous motion of gear, pinion rack 51 drive gear 5 rotates, gear 5 makes transfer line 47 rotate, transfer line 47 makes puddler 41 rotate through two synchronizing wheels 48 and hold-in range 49, puddler 41 makes agitator fan leaf 45 and soft brush 46 rotate through fixed cover 44, agitator fan leaf 45 stirs the material in the sieve is examined frame 17, avoid the material to pile up, the surperficial impurity rubbish of sieve 18 is got rid of in soft brush 46's rotation, avoid impurity rubbish to cause the sieve mesh on sieve 18 surface to be blockked up.

The inner wall fixed mounting of screening frame 17 has first dead lever 42, the one end fixed mounting of first dead lever 42 has sleeve 43, puddler 41 runs through sleeve 43 and rotates with sleeve 43 and is connected, first dead lever 42 and sleeve 43 can support puddler 41, improve the stability of puddler 41, one side fixed mounting of pinion rack 51 has two second dead levers 52, pinion rack 51's one end and the inner wall fixed connection of screening case 1 are kept away from to second dead lever 52, second dead lever 52 can support fixed pinion rack 51.

Through adopting above-mentioned technical scheme, first dead lever 42 and sleeve 43 support puddler 41, improve puddler 41's stability, and second dead lever 52 supports fixed toothed plate 51.

The replacing component 6 comprises a limiting inserted bar 61, a slot 64 is formed in the inner wall of the screening frame 17, the screen plate 18 is movably inserted into the inner wall of the slot 64, when the screen plate 18 is horizontally inserted into the slot 64, the connection between the screen plate 18 and the screening frame 17 can be conveniently realized, a sliding groove 65 is formed in one side of the screening frame 17, a sliding block 66 is connected to the inner wall of the sliding groove 65 in a sliding manner, the sliding block 66 can slide along the vertical direction of the inner wall of the sliding groove 65, the lower surface of the sliding block 66 is fixedly connected with one end of the limiting inserted bar 61, the sliding block 66 can enable the limiting inserted bar 61 to move in the vertical direction, an expansion link 68 is fixedly installed on the inner wall of the sliding groove 65, the piston end of the expansion link 68 is fixedly connected with the upper surface of the sliding block 66, a compression spring 69 is movably sleeved on the outer wall of the expansion link 68, one end of the compression spring 69 is fixedly connected with the upper surface of the sliding block 66, one end of the compression spring 69, the end of the compression spring 69 away from the sliding block 66 is fixedly connected with the inner wall of the sliding groove 65, when the slider 66 is slid vertically upward, the telescopic bar 68 and the pressing spring 69 are contracted.

Through adopting above-mentioned technical scheme, through the inside with sieve 18 horizontal insertion slot 64, be convenient for realize being connected of sieve 18 and screening frame 17, when telescopic link 68 and pressure spring 69 extended, telescopic link 68 and pressure spring 69 promoted slider 66 and slided downwards, and slider 66 makes spacing inserted bar 61 descend in step.

Spacing jack 62 has been seted up to the upper surface of sieve 18, spacing inserted bar 61 is kept away from the one end of slider 66 and the activity of the inner wall of spacing jack 62 and is pegged graft, after the vertical inside that inserts spacing jack 62 of spacing inserted bar 61, can fix sieve 18 in slot 64, one side fixed mounting of sieve 18 has protruding 63, the design of protruding 63, the staff of being convenient for takes sieve 18 out, one side fixed mounting of slider 66 has ejector pad 67, through upwards or pulling ejector pad 67 downwards, ejector pad 67 can make the vertical direction of slider 66 slide.

Through adopting above-mentioned technical scheme, after the inside of spacing jack 62 is vertically inserted to spacing inserted bar 61, spacing inserted bar 61 is fixed sieve 18 in slot 64, and the staff of being convenient for takes sieve 18 out in the design of protruding 63, through upwards or the pulling ejector pad 67 downwards, ejector pad 67 makes the vertical direction of slider 66 slide.

Dust removal component 7 is including suction fan 71, suction fan 71 and the inner wall fixed connection of screening case 1, suction fan 71's one end fixed mounting has dust exhaust pipe 72, when the material in the screening frame 17 is being examined by the sieve, through opening suction fan 71, suction fan 71 can absorb the sieve and examine the dust in the case 1, and discharge through dust exhaust pipe 72, circular recess 73 has been seted up to the one end that suction fan 71 was kept away from to dust exhaust pipe 72, the design of circular recess 73, the staff of being convenient for collects the open end of bag with the dust and ties up in circular recess 73, thereby realize collecting bag and dust exhaust pipe 72's being connected.

Through adopting above-mentioned technical scheme, when the material in the screening frame 17 is being examined by the sieve, through opening suction fan 71, suction fan 71 absorbs the dust of screening case 1 in to discharge through dust exhaust pipe 72, through seting up circular recess 73, the staff of being convenient for ties up the open end of dust collection bag in circular recess 73, thereby realizes collecting bag and dust exhaust pipe 72's being connected.

The working principle is as follows: when the renewable resource materials need to be recycled, a worker firstly opens the feeding cover plate 11 by pulling the first handle 12, then pours the renewable resource materials into the screening frame 17, closes the feeding cover plate 11, and then ties up the open end of the dust collecting bag in the circular groove 73;

at the moment, the servo motor 28 and the air suction fan 71 are simultaneously started, the rotating rod 3 is rotated by a driving shaft of the servo motor 28, the rotating rod 3 drives the push rod 27 to move through the rotating disc 31 and the connecting rod 32, the push rod 27 enables the screening frame 17 to move in the reciprocating horizontal direction through the connecting sleeve 26, the rotating shaft 25 and the two pushing seats 24, the screening frame 17 enables the two guide blocks 21 to move in the reciprocating horizontal direction along the inner walls of the corresponding guide grooves 23 through the four connecting rods 22, the screening of renewable resource materials can be realized through the reciprocating horizontal movement of the screening frame 17, and the screened materials fall into the discharge hopper 15 through a plurality of screen holes on the surface of the screen plate 18, so that the screening of the materials with smaller specification and size is conveniently realized, the convenience of screening of the materials is effectively improved, and meanwhile, a large amount of manual screening operation time is saved;

meanwhile, the transmission rod 47 and the gear 5 synchronously move by the reciprocating horizontal movement of the screening frame 17, the toothed plate 51 drives the gear 5 to rotate in a reciprocating manner, the gear 5 drives the transmission rod 47 to rotate in a reciprocating manner, the transmission rod 47 drives the stirring rod 41 to rotate through the two synchronizing wheels 48 and the synchronizing belt 49, the stirring rod 41 drives the stirring fan blades 45 and the soft brushes 46 to rotate through the fixing sleeve 44, the stirring fan blades 45 stir the materials in the screening frame 17, material accumulation is avoided, the impurity garbage on the surface of the screen plate 18 is removed by the rotation of the soft brushes 46, and the blockage of the screen hole on the surface of the screen plate 18 caused by the impurity garbage is avoided, so that the stirring of the materials in the screening process is conveniently realized, the material screening effect is effectively improved, and meanwhile, the influence on the material screening efficiency caused by the blockage of the screen holes on the surface of the screen plate 18 is avoided;

along with the rotation of the stirring blades 45 and the soft brushes 46, the dust on the surface of the material floats in the air, when the suction fan 71 works, the suction fan 71 sucks the dust in the screening box 1, and the sucked dust enters the dust collecting bag through the dust exhaust pipe 72, so that the dust is conveniently collected, and the influence on the surrounding environment caused by the scattering of the dust is avoided;

when sieve 18 of different aperture sizes needs to be changed, the staff opens the access cover 13 at first through pulling second handle 14, then upwards promote ejector pad 67, ejector pad 67 makes slider 66 upwards slide along the inner wall of spout 65, slider 66 makes telescopic link 68 and pressure spring 69 shrink, make spacing inserted bar 61 rebound simultaneously, sieve 18 is taken out to rethread protrusion 63 level after spacing inserted bar 61 breaks away from completely with spacing jack 62, then in inserting slot 64 with sieve 18 level after changing, and make spacing inserted bar 61 and the vertical grafting of spacing jack 62 can, thereby convenient realization the change of different aperture size sieve 18, and then be convenient for follow-up sieve detects the material of different specification sizes.

It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.

Claims

1. The utility model provides a renewable resources retrieves screening device, includes screening case (1), its characterized in that: the inside of screening case (1) is fixed to be equipped with out hopper (15), the inside of screening case (1) is equipped with screening frame (17), the inside demountable installation of screening frame (17) has sieve (18), the inside of screening case (1) is equipped with screening mechanism (2) that are used for screening frame (17), the inside of screening frame (17) is equipped with rabbling mechanism (4), the surface of screening frame (17) is equipped with change subassembly (6) that are used for sieve (18), the inside of screening case (1) is equipped with dust removal subassembly (7).

2. The recycling screening device of claim 1, wherein the feeding cover plate (11) is rotatably mounted on the upper surface of the screening box (1), the first handle (12) is fixedly mounted on the upper surface of the feeding cover plate (11), the maintenance cover plate (13) is rotatably mounted on one side of the screening box (1), the second handle (14) is fixedly mounted on one side of the maintenance cover plate (13), the two support rods (16) are fixedly mounted on the lower surface of the discharging hopper (15), the two support rods (16) are fixedly connected with one end of the discharging hopper (15) and the inner wall of the screening box (1), and the stabilizing seats (19) are fixedly mounted at four corners of the bottom end of the screening box (1).

3. The recycling screening device of claim 1, wherein the screening mechanism (2) comprises two guide blocks (21), two connecting rods (22) are fixedly mounted on opposite sides of the two guide blocks (21), one end of each connecting rod (22) far away from the guide block (21) is fixedly connected with the outer wall of the screening frame (17), two guide grooves (23) are formed in the inner wall of the screening box (1), and the guide blocks (21) are slidably connected with the inner walls of the guide grooves (23).

4. The recycling screening device of claim 1, wherein two pushing seats (24) are fixedly installed at one side of the screening frame (17), a rotating shaft (25) is rotatably installed between the two pushing seats (24), a connecting sleeve (26) is fixedly installed at the outer wall of the rotating shaft (25), a push rod (27) is fixedly installed at the outer wall of the connecting sleeve (26), a servo motor (28) is fixedly arranged at one side of the screening box (1), a rotating rod (3) is fixedly installed at the driving output end of the servo motor (28), the rotating rod (3) penetrates through the screening box (1) and is rotatably connected with the screening box (1), a rotating disc (31) is fixedly installed at one end of the rotating rod (3) far away from the servo motor (28), a connecting rod (32) is fixedly installed at one side of the rotating disc (31) far away from the rotating rod (3), one end of the connecting rod (32) far away from the rotating disc (31) is rotatably connected with one end of the pushing rod (27).

5. A recycling screening device according to claim 4, characterized in that the outer wall of the servo motor (28) is fixedly connected with a fixed block (29), and one side of the fixed block (29) is fixedly connected with one side of the screening box (1).

6. The recycling screening device of claim 1, wherein the stirring mechanism (4) comprises a stirring rod (41), a fixed sleeve (44) is fixedly installed on the outer wall of the stirring rod (41), uniformly distributed stirring blades (45) are fixedly installed on the outer wall of the fixed sleeve (44), uniformly distributed soft brushes (46) are fixedly installed on the lower surfaces of the stirring blades (45), one end of each soft brush (46), far away from the stirring blades (45), is movably contacted with the upper surface of the sieve plate (18), a transmission rod (47) is rotatably installed on the upper surface of the screening frame (17), synchronizing wheels (48) are fixedly installed on one ends of the transmission rod (47) and the stirring rod (41), a synchronous belt (49) is drivingly connected between the two synchronizing wheels (48), and a gear (5) is fixedly installed on one end of the transmission rod (47), close to the screening frame (17), a toothed plate (51) is fixedly arranged inside the screening box (1), and the toothed plate (51) is meshed with the gear (5).

7. The recycling screening device of claim 6, wherein a first fixing rod (42) is fixedly installed on the inner wall of the screening frame (17), a sleeve (43) is fixedly installed at one end of the first fixing rod (42), the stirring rod (41) penetrates through the sleeve (43) and is rotatably connected with the sleeve (43), two second fixing rods (52) are fixedly installed on one side of the toothed plate (51), and one end of the second fixing rod (52) far away from the toothed plate (51) is fixedly connected with the inner wall of the screening box (1).

8. The recycling screening device of claim 1, wherein the replacing component (6) comprises a limiting insertion rod (61), the inner wall of the screening frame (17) is provided with a slot (64), the screen plate (18) is movably inserted into the inner wall of the slot (64), one side of the screening frame (17) is provided with a sliding slot (65), the inner wall of the sliding slot (65) is slidably connected with a sliding block (66), the lower surface of the sliding block (66) is fixedly connected with one end of the limiting insertion rod (61), the inner wall of the sliding slot (65) is fixedly provided with a telescopic rod (68), the piston end of the telescopic rod (68) is fixedly connected with the upper surface of the sliding block (66), the outer wall of the telescopic rod (68) is movably sleeved with a pressing spring (69), one end of the pressing spring (69) is fixedly connected with the upper surface of the sliding block (66), one end of the compression spring (69), which is far away from the sliding block (66), is fixedly connected with the inner wall of the sliding groove (65).

9. The recycling screening device of claim 8, wherein the upper surface of the screen plate (18) is provided with a limiting insertion hole (62), one end of the limiting insertion rod (61) far away from the sliding block (66) is movably inserted into the inner wall of the limiting insertion hole (62), one side of the screen plate (18) is fixedly provided with a protrusion (63), and one side of the sliding block (66) is fixedly provided with a push block (67).

10. The recycling screening device of claim 1, wherein the dust removing assembly (7) comprises an air suction fan (71), the air suction fan (71) is fixedly connected with the inner wall of the screening box (1), one end of the air suction fan (71) is fixedly provided with a dust exhaust pipe (72), and one end of the dust exhaust pipe (72) far away from the air suction fan (71) is provided with a circular groove (73).