CN219664455U - Solid waste sieving mechanism - Google Patents

Abstract

The utility model discloses a solid waste screening device which comprises a supporting frame structure, a screening structure, a collecting structure and an iron removing structure, wherein the screening structure is arranged on the supporting frame structure and comprises a feeding hopper, a left screening structure, a right screening structure, a controller and a power supply structure, the iron removing structure is arranged on the supporting frame structure, the collecting structure is arranged below the supporting frame structure, the left screening structure comprises a left mounting shell, a left sliding plate, a rotating shaft, an eccentric wheel motor, a left sliding structure, a left rotating motor and a left connecting shaft, the right screening structure comprises a right mounting shell, a right sliding plate, a right rotating motor, a right connecting shaft, a right sliding structure, a spring structure, a moving shaft and a moving shaft hole, the feeding hopper is arranged on the left connecting shaft and the right connecting shaft, and the bottom surface of the feeding hopper is provided with a screening bottom plate. The utility model has the beneficial effects that: the screening speed is high, the iron removal effect is achieved, and the screened solid waste can be automatically taken out and collected to be transferred to the next process, so that the use is convenient.

Description

Solid waste sieving mechanism

Technical Field

The utility model relates to a solid waste screening device, and belongs to the technical field of solid waste treatment.

Background

Along with the acceleration of urban construction in China, the daily solid waste is increased while the living standard of people is continuously improved, the solid waste is a necessary treatment direction for recycling, generally, in the solid waste recycling process, crushing, screening and selecting are necessary, in the screening process, the screening is generally carried out according to the shape and the size, the waste with different sizes is separated out through screening and is treated respectively, meanwhile, excessive grinding waste cost is prevented, the solid waste with larger granularity is screened out manually in the earlier common method, and then the screening is carried out by using a vibrating screen, a resonance screen and other machines.

At present, a machine is used to screen solid waste, such as a solid waste screening device, which comprises: four landing legs that set up, bolted connection is in the landing leg frame at landing leg top, equidistant four bolted connection is in the bradyseism spring at landing leg frame top, through bolted connection in the main part frame at bradyseism spring top, weld in the device main part of main part frame inner wall, weld in the motor cabinet of device main part lateral wall, bolted connection is in the vibrating motor at motor cabinet top, can dismantle the device top cap of connecting in device main part top, device top cap top welding has the feed inlet, bolted connection is in the control electronic box at landing leg outer wall, device main part bottom welding has the discharge gate, discharge gate bottom flange joint has the butterfly valve. The whole steadiness of this device has been improved through setting up in the stiffener of landing leg inner wall, through the effectual stability that improves the device main part work of bradyseism spring that sets up, carries out even screening through two vibrating motor with fixed waste material effectively, the device top cap is effectual to avoid the departure of dust, has improved environmental protection ability.

But a solid waste sieving mechanism can form a large amount of piles up in screening net one place after fixed waste empties, and this leads to vibration screening net to piled up raw and other materials screening slowly to increase the time of production processing, and then reduced the screening efficiency of solid waste. Hu Yuan therefore a solid waste screening device is devised which comprises a support column, a screening table, a bracket, a screening net and a vibrating motor, and also comprises a tiling assembly; tiling subassembly includes support frame, spacing guide rail, the sliding block, driving motor, the threaded rod, the link, fixed plate and push pedal, support frame and screening table fixed connection, spacing guide rail and support frame fixed connection, sliding block and spacing guide rail sliding connection, driving motor and support frame fixed connection, threaded rod and driving motor's output are connected, and with sliding block threaded connection, link and sliding block fixed connection, fixed plate and link fixed connection, push pedal and fixed plate fixed connection, the removal through the push pedal is with solid waste tiling on the screening net, improve the screening area of screening net to solid waste, improve the screening speed of screening net, thereby reduced the time of production and processing, and then improved solid waste screening efficiency.

To a solid waste sieving mechanism, it also has the inconvenient quick takeout to the waste material on the screen cloth after the screening is accomplished to lead to needing artifical manual waste material on the screen cloth to take out, greatly reduced work efficiency, increased the labour simultaneously, brought very big inconvenient defect for the user. So Sun Guodong designed a solid waste sieving mechanism, it includes casing, screening mechanism and categorised collection mechanism, the top of casing is provided with the feeding hopper, the bottom of feeding hopper runs through the casing and extends to its inside, screening mechanism sets up the inside at the casing, categorised collection mechanism sets up the inside at the casing. According to the utility model, through the mutual matching of the movable plate, the servo motor, the screening shell, the rolling bearing, the fixed shaft, the fixed rod, the buffer spring, the rotating motor and the convex blocks, the screening effect of the solid waste is greatly improved, meanwhile, the screening efficiency is improved, the practicability is improved, and the screened solid waste is conveniently classified and collected through the mutual matching of the collecting hopper, the supporting block, the collecting shell, the driving motor, the drainage plate, the baffle and the baffle, so that the need of manually taking out the waste from the screening shell in the later period is avoided, the labor force is greatly reduced, and great convenience is brought to users.

However, a solid waste screening device designed by Sun Guodong still has certain defects, in the solid waste at the present stage, certain metallic iron elements are inevitably contained, the above three patents including a solid waste screening device do not consider the removal of the metallic iron elements in the screening process, and the defects need to be compensated by adding an iron removal process in the subsequent process, so that the treatment cost is increased for the treatment and disposal belt of the solid fertilizer. In keeping the beneficial effect of above three patents, for making up this defect, designed a solid waste sieving mechanism, its degree of automation is high, and the screening area of screening net to the solid waste is big, and screening speed is fast, has the effect of deironing simultaneously, and the solid waste after the screening can be taken out automatically and collect and shift to next process, greatly reduced the labour, brought very big facility for the user.

Disclosure of Invention

The utility model aims to solve the technical problem of providing the solid waste screening device which is high in automation degree, large in screening area of a screening net on solid waste, high in screening speed and capable of automatically taking out and collecting the screened solid waste and transferring the solid waste to the next process, so that labor force is greatly reduced, and great convenience is brought to users.

The utility model is realized by the following scheme: the utility model provides a solid waste sieving mechanism, its includes supporting frame structure, screening structure, collection structure, deironing structure, screening structure installs on supporting frame structure, and it includes feeder hopper, left screening structure, right screening structure, controller, power structure, deironing structure installs on supporting frame structure, collection structure arranges supporting frame structure's below in, left screening structure includes left installation shell, left sliding plate, axis of rotation, eccentric wheel motor, left sliding structure, left rotating electrical machines, left connecting axle, right screening structure includes right installation shell, right sliding plate, right rotating electrical machines, right connecting axle, right sliding structure, spring structure, removes the axle, removes the shaft hole, the feeder hopper is installed on left connecting axle, right connecting axle, and its bottom surface is equipped with screening bottom plate.

The left sliding structure is installed on a left installation guide rail, the left sliding structure can slide on the left installation guide rail, a left installation shell is installed on the left installation guide rail, the left installation shell is cuboid, a left installation chamber is arranged in the left installation shell, the left installation chamber is cylindrical, a left sliding plate, a rotating shaft, an eccentric wheel and a left rotating motor are installed in the left installation chamber, the left sliding plate is a cake-shaped plate, the left rotating motor is installed on the left sliding plate, the left rotating motor can slide in the left installation chamber, a left connecting shaft is installed on the left rotating motor, the left connecting shaft can be driven to rotate, the rotating shaft is a cylindrical shaft, the eccentric wheel is installed on the rotating shaft, the front end of the eccentric wheel motor is installed on the front side surface of the left installation chamber, and the eccentric wheel motor can be driven to rotate through a driving rotating shaft.

The right sliding structure is arranged on a right mounting guide rail, the right sliding structure can slide on the right mounting guide rail, a right mounting shell is arranged on the right mounting guide rail, the right mounting shell is in a cuboid shape, a right mounting chamber is arranged in the right mounting shell, the right mounting chamber is cylindrical, a moving shaft hole is formed in the right side of the right mounting chamber, a right sliding plate, a right rotating motor, a spring structure and a moving shaft are arranged in the right mounting chamber, the right sliding plate is a circular cake-shaped plate, a right rotating motor is arranged on the left side face of the right sliding plate, the moving shaft is arranged on the right side face of the right sliding plate, the right mounting chamber can slide in the right mounting chamber, a right connecting shaft is arranged on the right rotating motor, the right connecting shaft can be driven to rotate, and the moving shaft transversely passes through the moving shaft hole and is sleeved with the spring structure.

The collecting structure is a cube structure, the inside of the collecting structure is divided into a fine waste collecting tank, a scrap iron collecting tank and a coarse waste collecting tank, a scraping blade mounting plate is mounted on the left side face of the scrap iron collecting tank, the scraping blade mounting plate is a rectangular plate, a rubber scraping blade is mounted on the scraping blade mounting plate, the rubber scraping blade is a rectangular plate, and the upper bottom surface of the rubber scraping blade is an inclined surface.

The supporting frame structure comprises vertical supporting plates, middle connecting rods, a tabletop, fine waste collection hoppers and mounting guide rails, wherein the two vertical supporting plates are rectangular plates and are vertically placed, three middle connecting rods are respectively fixed on the front side and the rear side of each vertical supporting plate, the tabletop is mounted on the upper bottom surfaces of the two vertical supporting plates, the two fine waste collection hoppers are mounted on the tabletop, the two mounting guide rails are respectively mounted on the vertical supporting plates, the fine waste collection hoppers are located under the screening bottom plates, and the middle connecting rods are rectangular long-strip-shaped sections.

The iron removing structure comprises a driven wheel shaft, driven wheels, an electromagnetic iron sheet, a track, a power supply rail, a driving wheel shaft, a driving wheel motor and a driving wheel, wherein the driven wheel shaft is a cylindrical shaft, two ends of the driven wheel shaft are respectively arranged on two middle connecting rods positioned below, two driven wheels are arranged on the driven wheel shaft, two ends of the driving wheel shaft are respectively arranged on the two middle connecting rods positioned above, two driving wheels are arranged on the driving wheel shaft, the front end of the driving wheel shaft is connected to the driving wheel motor, the driving wheel motor is arranged on the middle connecting rods positioned above, the driving wheel motor can drive the driving wheel shaft to rotate, the track is in a circular shape, is sleeved on the driven wheel shaft and the driving wheel and can rotate under the driving of the driving wheel, the electromagnetic iron sheet is rectangular, and the lower bottom surface of the electromagnetic iron sheet is provided with an electromagnet sliding power supply input rod.

The power supply rail is in an incomplete ring shape, is fixed on a middle connecting rod positioned in the middle position, is internally provided with a power supply input groove, the bottom surface of the power supply input groove is provided with two power supply input strips, and is internally provided with an electromagnet sliding power supply input rod.

The electromagnet sliding power input rod is a rectangular rod and is positioned in the center of the inner side surface of the electromagnet sheet, and the bottom surface of the electromagnet sliding power input rod is provided with two power contact posts which cross the crawler belt and can slide in the power input groove.

The installation controller is installed on the vertical support plate and is connected with the eccentric wheel motor, the left rotating motor, the right rotating motor, the driving wheel motor and the power input strip through wires.

The power supply structure is arranged on the vertical supporting plate and is connected with an external power supply through a wire.

The beneficial effects of the utility model are as follows:

1. according to the solid waste screening device, the screening bottom plate on the lower bottom surface of the feeding hopper is provided with the larger bottom surface, more fine waste materials can pass through the screening bottom plate in unit time, in the working process, the eccentric wheel motor drives the eccentric wheel to rotate, and the feeding hopper can swing left and right in the rotating process due to the unique mechanism of the eccentric wheel, so that the screening speed is increased, the screening speed is high, and the problem that a large amount of solid waste materials are accumulated on the screening bottom plate is solved.

2. The solid waste screening device provided by the utility model has an iron removing structure, can adsorb and separate scrap iron in fine waste, and has an iron removing effect.

3. According to the solid waste screening device, the screened solid waste can be automatically taken out, collected and transferred to the next process, so that the labor force is greatly reduced, and great convenience is brought to users.

Drawings

FIG. 1 is a schematic cross-sectional elevation view of a solid waste screening apparatus according to the present utility model.

Fig. 2 is an enlarged schematic view of the structure at a in fig. 1.

Fig. 3 is a schematic top view of a solid waste screening device according to the present utility model.

Fig. 4 is a schematic cross-sectional elevation view of a left screening structure of a solid waste screening apparatus according to the present utility model.

Fig. 5 is a schematic cross-sectional elevation view of a right screening structure of a solid waste screening apparatus according to the present utility model.

Fig. 6 is a schematic diagram showing a schematic cross-sectional front view of an iron removing structure of a solid waste screening apparatus according to the present utility model.

Fig. 7 is a schematic top view of a collection structure of a solid waste screening device according to the present utility model.

Fig. 8 is a cross-sectional view of a power supply rail of a solid waste screening device according to the present utility model.

In the figure: 1 is a supporting frame structure, 2 is a screening structure, 3 is a collecting structure, 4 is an iron removing structure, 5 is a fine waste collecting tank, 6 is a scrap iron collecting tank, 7 is a coarse waste collecting tank, 8 is a vertical supporting plate, 9 is an intermediate connecting rod, 10 is a tabletop, 11 is a fine waste collecting hopper, 12 is a mounting guide rail, 13 is a feed hopper, 14 is a left screening structure, 15 is a right screening structure, 16 is a controller, 17 is a power supply structure, 18 is a screening bottom plate, 19 is a left mounting shell, 20 is a left sliding plate, 21 is a rotating shaft, 22 is an eccentric wheel, 23 is an eccentric wheel motor, 24 is a left sliding structure, 25 is a left rotating motor, 26 is a left connecting shaft, 27 is a left mounting chamber, 28 is a right mounting housing, 29 is a right sliding plate, 30 is a right rotating motor, 31 is a right connecting shaft, 32 is a right sliding structure, 33 is a spring structure, 34 is a moving shaft, 35 is a moving shaft hole, 36 is a right mounting chamber, 37 is a driven wheel shaft, 38 is a driven wheel, 39 is an electromagnet sheet, 40 is a track, 41 is a power track, 42 is a driving wheel shaft, 43 is a driving wheel motor, 44 is a driving wheel, 45 is an electromagnet sliding power input rod, 46 is a power input groove, 47 is a power contact post, 49 is a power input strip, 50 is a wiper blade mounting plate, 51 is a rubber wiper blade, and 52 is a wire.

Detailed Description

The present utility model will be further described with reference to fig. 1, 2, 3, 4, 5, 6, 7, and 8, but the scope of the present utility model is not limited thereto.

Wherein like parts are designated by like reference numerals. It should be noted that the words "front", "back", "left", "right", "up" and "down" used in the following description refer to directions in the drawings, the words "inner" and "outer" refer to directions toward or away from a geometric center of a particular component, respectively, and the drawings are in a very simplified form and all use non-precise ratios for convenience and clarity only to aid in explaining embodiments of the present utility model.

The utility model provides a solid waste sieving mechanism, it includes supporting frame structure 1, screening structure 2, collection structure 3, deironing structure 4, screening structure 2 installs on supporting frame structure 1, it includes feeder hopper 13, left screening structure 14, right screening structure 15, controller 16, power structure 17, deironing structure 4 installs on supporting frame structure 1, collection structure 3 arranges the below of supporting frame structure 1 in, left screening structure 14 includes left installation shell 19, left sliding plate 20, axis of rotation 21, eccentric wheel 22, eccentric wheel motor 23, left sliding structure 24, left rotating electrical machines 25, left connecting axle 26, right screening structure 15 includes right installation shell 28, right sliding plate 29, right rotating electrical machines 30, right connecting axle 31, right sliding structure 32, spring structure 33, remove axle 34, remove axle hole 35, feeder hopper 13 installs on left connecting axle 26, right connecting axle 31, its bottom surface is equipped with screening bottom plate 18.

The left sliding structure 24 is installed on the left installation guide rail 12, and can slide on the left installation guide rail 12, the left installation shell 19 is installed on the left installation guide rail, the left installation shell 19 is in a cuboid shape, the left installation chamber 27 is arranged in the left installation shell, the left installation chamber 27 is in a cylinder shape, the left sliding plate 20, the rotating shaft 21, the eccentric wheel 22 and the left rotating motor 25 are installed in the left installation shell, the left sliding plate 20 is a circular cake-shaped plate, the left rotating motor 25 is installed on the left sliding plate, the left rotating motor 25 can slide in the left installation chamber 27, the left connecting shaft 26 is installed on the left rotating motor 25, the left connecting shaft 26 can be driven to rotate, the rotating shaft 21 is a cylindrical shaft, the eccentric wheel 22 is installed on the rotating shaft, the front end of the eccentric wheel motor 23 is installed on the front side surface of the left installation chamber 27, and the eccentric wheel 22 can be driven to rotate by driving the rotating shaft 21.

The right sliding structure 32 is mounted on the right mounting rail 12, and can slide on the right mounting rail 12, the right mounting housing 28 is mounted on the right mounting rail, the right mounting housing 28 is in a cuboid shape, a right mounting chamber 36 is arranged in the right mounting housing, the right mounting chamber 36 is in a cylindrical shape, a moving shaft hole 35 is formed in the right side of the right mounting chamber, a right sliding plate 29, a right rotating motor 30, a spring structure 33 and a moving shaft 34 are mounted in the right mounting chamber, the right sliding plate 29 is in a circular cake-shaped plate, the right rotating motor 30 is mounted on the left side surface of the right sliding plate 29, the moving shaft 34 is mounted on the right side surface of the right sliding plate, the right rotating motor 30 can slide in the right mounting chamber 36, a right connecting shaft 31 is mounted on the right rotating motor 30, the right connecting shaft 31 can be driven to rotate, the moving shaft 34 traverses the moving shaft hole 35, and the spring structure 33 is sleeved on the right moving shaft.

The collection structure 3 is a cube structure, the inside of the collection structure is divided into a fine waste collection tank 5, a scrap iron collection tank 6 and a coarse waste collection tank 7, a scraping blade mounting plate 50 is mounted on the left side face of the scrap iron collection tank 6, the scraping blade mounting plate 50 is a rectangular plate, a rubber scraping blade 51 is mounted on the scraping blade mounting plate, the rubber scraping blade 51 is a rectangular plate, and the upper bottom face of the rubber scraping blade 51 is an inclined plane.

The support frame structure 1 includes vertical support plate 8, middle connecting rod 9, desktop 10, thin garbage collection fill 11, mounting rail 12, and vertical support plate 8 has two, for rectangle platy, vertically places, is fixed with three middle connecting rod 9 respectively on the front and back side of two vertical support plates 8, and desktop 10 installs the last bottom surface at two vertical support plates 8, installs thin garbage collection fill 11 on it, and mounting rail 12 has two, installs respectively on vertical support plate 8, and thin garbage collection fill 11 is located screening bottom plate 18 under, and middle connecting rod 9 is rectangular state in cross-section.

The iron removing structure 4 comprises a driven wheel shaft 37, driven wheels 38, an electromagnet sheet 39, a crawler belt 40, a power supply rail 41, a driving wheel shaft 42, a driving wheel motor 43 and a driving wheel 44, wherein the driven wheel shaft 37 is a cylindrical shaft, two ends of the driven wheel shaft are respectively arranged on the two middle connecting rods 9 positioned below, two driven wheels 38 are arranged on the driven wheel shaft 42, two ends of the driving wheel shaft 42 are respectively arranged on the two middle connecting rods 9 positioned above, two driving wheels 44 are arranged on the driving wheel shaft 42, the front end of the driving wheel shaft 42 is connected to the driving wheel motor 43, the driving wheel motor 43 is arranged on the middle connecting rods 9 positioned above, the driving wheel shaft 42 can be driven to rotate, the crawler belt 40 is in a circular ring shape and is sleeved on the driven wheel shaft 37 and the driving wheel 44 and can rotate under the driving of the driving wheel 44, the electromagnet sheet 39 is arranged on the driving wheel shaft, the electromagnet sheet 39 is rectangular, and the lower bottom surface of the electromagnet sheet 39 is provided with an electromagnet sliding power supply input rod 45.

The power rail 41 is in an incomplete ring shape, is fixed on the middle connecting rod 9 positioned in the middle position, is internally provided with a power input groove 46, the bottom surface of the power input groove 46 is provided with two power input strips 49, and is internally provided with an electromagnet sliding power input rod 45.

The electromagnet sliding power input rod 45 is a rectangular rod, is positioned at the center of the inner side surface of the electromagnet 39, and has two power contact posts 47 on the bottom surface, which traverse the track 40, and which slide in the power input grooves 46.

The installation controller 16 is installed on the vertical support plate 8, and is connected with the eccentric wheel motor 23, the left rotary motor 25, the right rotary motor 30, the driving wheel motor 43, and the power input bar 49 through wires 52.

The power supply structure 17 is mounted on the vertical support plate 8, which is connected to an external power supply by means of wires 52.

Example 1

The waste to be screened is poured into the feed hopper 13, the eccentric wheel motor 23 works to drive the eccentric wheel 22 to rotate, the eccentric wheel 22 pushes the left sliding plate 20 to move rightwards, the feed hopper 13 and the right sliding plate 29 are driven to move rightwards, the moving shaft 34 is driven to move rightwards in the moving process of the right sliding plate 29, the spring structure 33 is compressed, the eccentric wheel 22 continues to rotate, the right supporting force of the eccentric wheel 22 on the left sliding plate 20 can quickly disappear in the rotating process due to the special structure, at the moment, the left sliding plate 29 is pushed to move leftwards due to the compression of the spring structure 33, the feed hopper 13 is driven to move leftwards, the left sliding plate 20 is pushed to move rightwards after the eccentric wheel 22 rotates to a certain angle, and the process is repeated, so that the feed hopper 13 swings leftwards and rightwards, and the waste with smaller particles enters the fine waste collecting hopper 11 through the screening bottom plate 18.

Example 2

After the screening process is completed, the eccentric wheel motor 23 stops working, the left sliding structure 24 and the right sliding structure 32 work, the left rotating motor 25 and the right rotating motor 30 work to bring the feeding hopper 13 to the upper part of the coarse waste collecting tank 7, the left connecting shaft 26 and the right connecting shaft 31 are respectively driven to rotate, the feeding hopper 13 is further driven to rotate, coarse waste in the feeding hopper 13 is poured into the coarse waste collecting tank 7, then the left sliding structure 24 and the right sliding structure 32 work, the left sliding structure 24 and the right sliding structure 32 slide on the mounting guide rail 12, the screening structure 2 is brought to an initial position, and the operation of the embodiment 1 is repeated.

Example 3

After the waste with finer particles enters the garbage collection hopper 11, the waste with finer particles leaks from the lower bottom surface of the garbage collection hopper 11 and falls on the iron removal structure 4, at this time, the driving wheel motor 43 works to drive the driving wheel 44 to rotate, and then the crawler 40 rotates, at this time, the electromagnet sliding power input rod 45 of the electromagnet 39 positioned above slides in the power input groove 46 and is powered on, electromagnetic force is provided, and then the scrap iron in the waste with finer particles is adsorbed, the scrap iron 39 with finer particles slides down into the garbage collection groove 5 from the electromagnet 39, the electromagnet 39 with adsorbed scrap iron moves along with the crawler 40, and when moving to the lower side, the electromagnet sliding power input rod 45 slides out from the power input groove 46 due to the fact that the power rail 41 is not provided, the electromagnet 39 loses the electromagnet due to the power failure, the scrap iron adsorbed on the electromagnet slides off from the electromagnet 39, falls into the garbage collection groove 6, and when the electromagnet 39 passes through the rubber blade 51, the adhered substances on the electromagnet slide down into the garbage collection groove 6, and then the electromagnetic force is adsorbed on the crawler 40 along with the electromagnetic force sliding position when the scrap iron 39 slides down along with the crawler 40.

Claims (10)

1. A solid waste sieving mechanism, its characterized in that: the novel screening device comprises a supporting frame structure (1), a screening structure (2), a collecting structure (3) and an iron removing structure (4), wherein the screening structure (2) is arranged on the supporting frame structure (1) and comprises a feeding hopper (13), a left screening structure (14), a right screening structure (15), a controller (16) and a power supply structure (17), the iron removing structure (4) is arranged on the supporting frame structure (1), the collecting structure (3) is arranged below the supporting frame structure (1), the left screening structure (14) comprises a left mounting shell (19), a left sliding plate (20), a rotating shaft (21), an eccentric wheel (22), an eccentric wheel motor (23), a left sliding structure (24), a left rotating motor (25) and a left connecting shaft (26), the right screening structure (15) comprises a right mounting shell (28), a right sliding plate (29), a right rotating motor (30), a right connecting shaft (31), a right sliding structure (32), a spring structure (33), a moving shaft (34) and a moving shaft hole (35), and the feeding hopper (13) is arranged on a left connecting shaft (26) and a bottom plate (31) which is provided with a screening bottom plate (18).

2. A solid waste screening apparatus according to claim 1, wherein: the left sliding structure (24) is installed on a left installation guide rail (12), the left sliding structure can slide on the left installation guide rail (12), a left installation shell (19) is installed on the left installation guide rail, the left installation shell (19) is in a cuboid shape, a left installation chamber (27) is arranged in the left installation shell, the left installation chamber (27) is cylindrical, a left sliding plate (20), a rotating shaft (21), an eccentric wheel (22) and a left rotating motor (25) are installed in the left installation chamber (27), the left sliding plate (20) is a circular cake-shaped plate, the left rotating motor (25) is installed on the left sliding plate, the left rotating motor can slide in the left installation chamber (27), a left connecting shaft (26) is installed on the left rotating motor (25), the left connecting shaft (26) can be driven to rotate, the rotating shaft (21) is a cylindrical shaft, an eccentric wheel (22) is installed on the rotating shaft, and the front end of the eccentric wheel motor (23) is installed on the front side surface of the left installation chamber (27), and the eccentric wheel motor can be driven to rotate through a driving rotating shaft (21).

3. A solid waste screening apparatus according to claim 1, wherein: the right sliding structure (32) is arranged on the right mounting guide rail (12), the right sliding structure can slide on the right mounting guide rail (12), the right mounting housing (28) is arranged on the right sliding structure, the right mounting housing (28) is in a cuboid shape, a right mounting chamber (36) is arranged in the right sliding structure, the right mounting chamber (36) is cylindrical, a moving shaft hole (35) is formed in the right side of the right mounting chamber, a right sliding plate (29), a right rotating motor (30), a spring structure (33) and a moving shaft (34) are arranged in the right sliding structure, the right sliding plate (29) is in a circular cake shape, the right rotating motor (30) is arranged on the left side surface of the right sliding plate, the moving shaft (34) can slide in the right mounting chamber (36), the right rotating motor (30) is provided with a right connecting shaft (31) which can drive the right connecting shaft (31) to rotate, and the moving shaft (34) transversely passes through the moving shaft hole (35) and is sleeved with the spring structure (33).

4. A solid waste screening apparatus according to claim 1, wherein: the collecting structure (3) is of a cube structure, the inside of the collecting structure is divided into a fine waste collecting tank (5), a scrap iron collecting tank (6) and a coarse waste collecting tank (7), and a scraping blade mounting plate (50) is mounted on the left side face of the scrap iron collecting tank (6).

5. A solid waste screening apparatus according to claim 1, wherein: support frame structure (1) is including vertical support board (8), intermediate connecting rod (9), desktop (10), thin garbage collection fill (11), mounting rail (12), vertical support board (8) have two, for rectangle platy, vertically place, be fixed with three intermediate connecting rod (9) respectively on the front and back side of two vertical support board (8), desktop (10) are installed in the last bottom surface of two vertical support board (8), install thin garbage collection fill (11) on it, mounting rail (12) have two, install respectively on vertical support board (8), thin garbage collection fill (11) are located screening bottom plate (18) under, intermediate connecting rod (9) are rectangular state in cross-section.

6. A solid waste screening apparatus according to claim 1, wherein: the iron removal structure (4) comprises a driven wheel shaft (37), driven wheels (38), electromagnetic iron sheets (39), a crawler belt (40), a power supply rail (41), a driving wheel shaft (42), a driving wheel motor (43) and a driving wheel (44), wherein the driven wheel shaft (37) is a cylindrical shaft, two ends of the driven wheel shaft are respectively arranged on two middle connecting rods (9) arranged below, two driven wheels (38) are arranged on the driven wheel shaft, the driving wheel shaft (42) is a cylindrical shaft, two ends of the driving wheel shaft are respectively arranged on the two middle connecting rods (9) arranged above, two driving wheels (44) are arranged on the driving wheel shaft, the front end of the driving wheel shaft is connected to the driving wheel motor (43), the driving wheel motor (43) is arranged on the middle connecting rod (9) arranged above, the driving wheel shaft (42) can be driven to rotate, the crawler belt (40) is in a circular ring shape and is sleeved on the driven wheel shaft (37) and the driving wheel (44), the electromagnetic iron sheets (39) are arranged on the driving wheel shaft under the driving of the driving wheel (44), the driving wheel motor is driven by the driving wheel motor, the two middle connecting rods (9) are arranged on the driving wheel motor, the driving wheel motor is connected to the driving electromagnet iron sheets (39), the driving electromagnet iron sheets are arranged on the rectangular iron sheets (39), the driving electromagnet and the electromagnet iron sheets are arranged below the driving iron sheets and the electromagnet sliding power supply rod (45.

7. A solid waste screening apparatus as claimed in claim 6 wherein: the power supply rail (41) is in an incomplete ring shape, is fixed on the middle connecting rod (9) positioned in the middle position, is internally provided with a power supply input groove (46), the bottom surface of the power supply input groove (46) is provided with two power supply input strips (49), and is internally provided with an electromagnet sliding power supply input rod (45).

8. A solid waste screening apparatus as claimed in claim 6 wherein: the electromagnet sliding power input rod (45) is a rectangular rod and is positioned at the center of the inner side surface of the electromagnet sheet (39), and the bottom surface of the electromagnet sliding power input rod is provided with two power contact posts (47) which cross the crawler belt (40) and can slide in the power input groove (46).

9. A solid waste screening apparatus according to claim 1, wherein: the controller (16) is arranged on the vertical supporting plate (8) and is connected with the eccentric wheel motor (23), the left rotary motor (25), the right rotary motor (30), the driving wheel motor (43) and the power input strip (49) through leads (52).

10. A solid waste screening apparatus according to claim 1, wherein: the power supply structure (17) is mounted on the vertical support plate (8) and is connected with an external power supply through a wire (52).