CN208944264U

CN208944264U - Solid waste rim charge shreds conveying fan

Info

Publication number: CN208944264U
Application number: CN201821511819.4U
Authority: CN
Inventors: 王新华
Original assignee: Shanghai Bing Qin Environmental Protection Technology Co Ltd
Current assignee: Shanghai Bing Qin Environmental Protection Technology Co Ltd
Priority date: 2018-09-17
Filing date: 2018-09-17
Publication date: 2019-06-07
Anticipated expiration: 2028-09-17

Abstract

The utility model provides a kind of solid waste rim charge chopping conveying fan, and feed-line is connected from different production lines and waste material concentration zones, and the discarded rim charge that production line is generated is pumped to same waste material concentration zones and collects recycling.Wherein, the blower is by the way that its impeller to be set in transfer pipeline, and in setting bladed blade on impeller, to which discarded rim charge is sucked in blower the effect for realizing that discarded rim charge is concentrated in suction after blower moves and generates negative pressure, waste material concentration zones are transported to after so that discarded rim charge is chopped into preset size when by the bladed blade simultaneously, the utility model blower solves at high cost existing for existing Belt Conveying and artificial conveyance, land occupation is big, high maintenance capacity, low efficiency, the disadvantages such as production capacity is low, the rotation of blower interior impeller can be passed through, it is transmitted while shredding discarded rim charge, reach mention energy consumption it is low, the advantageous effects such as highly effective.

Description

Conveying fan for cutting solid waste edge material

Technical Field

The utility model relates to a come the technical field of material split fragmentation with sword or other cutting or tear parts, relate to solid waste rim charge surely to carry fan particularly.

Background

In the current industrial development, with the rapid development of industrial technology, industrial automation is rapidly advanced, such as paper making, printing, packaging, plastic, cloth, aluminum foil, canning and other manufacturing lines are highly automated. In the production process of the product production line, waste scraps are generated inevitably, and with the high importance of the state on solid wastes, the waste scraps need to be collected and recycled.

It is worth noting that the recovery of the waste edge material of the production line in the prior art mainly collects the waste edge material from different production lines in a manual collection or belt conveying manner and then recovers the waste edge material; however, the manual recycling method consumes human resources, is not high in efficiency, has a safety problem when personnel collect waste materials, and has a problem that the construction and maintenance costs of the conveying device are high in the belt conveying recycling method.

Obviously, the existing centralized waste rim charge recovery mode has low efficiency and high cost, can not meet the use requirement of a high-yield production line, is difficult to match the existing industrial continuous production speed, and needs to be further improved.

SUMMERY OF THE UTILITY MODEL

In view of the above situation, the utility model provides a conveyor fan is cut up to useless rim charge admittedly, conveying line and different production lines and waste material are concentrated the district and are connected to the abandonment rim charge that produces the production line pumps to the district is concentrated to same waste material and collects the recovery. Wherein, the fan is through setting up its impeller in conveying line to set up sword form blade on the impeller, thereby produce the effect of abandonment rim charge in realizing the suction and concentrating abandonment rim charge in the fan behind the fan motion production negative pressure, make simultaneously abandonment rim charge pass through carried to the waste material concentration district after being cut up into predetermined size during the sword form blade, the utility model discloses the fan has solved current belt transport and has carried the disadvantage such as with high costs, occupation of land big, high maintenance volume, inefficiency, productivity low with artifical, can transmit when cutting up abandonment rim charge through the rotation of the inside impeller of fan, reaches and mentions beneficial technological effect such as the power consumption is low, high-efficient practical.

In order to achieve the above object, the utility model discloses the technical scheme who takes provides a conveyor fan is cut up to solid waste rim charge, include: the shell comprises a shell seat and an impeller shell cover; the shell seat is provided with a first side surface and a second side surface which are opposite, and the first side surface is provided with a power source; the impeller shell is covered on the second side surface of the shell seat; the impeller shell cover is extended from one side of the shell wall on the peripheral side of the impeller shell cover to form a discharge hole, and a feed hole is formed in the plane shell wall of the impeller shell cover, which is opposite to the second side surface of the shell seat; the impeller device is arranged inside the impeller shell cover; the impeller device comprises a wheel shell, a wheel shaft sleeve and blade-shaped blades; the axle center of the wheel shell is eccentrically arranged on the second side surface of the shell seat relative to the circle center of the feed port; the axle sleeve is fixedly arranged inside the wheel shell along the axle center of the wheel shell; the blade-shaped blades are radially and fixedly arranged on the circumferential peripheral surface of the tail end of the hub at equal intervals; the axle sleeve is connected with the power source to be driven to rotate and drive the whole impeller device to rotate to form negative pressure.

In an embodiment of the present invention, the power source includes a bearing transmission device and a belt driving device, the belt driving device is disposed outside the housing seat, and the bearing transmission device is disposed inside the housing seat of the housing for driving the belt driving device of the bearing transmission device; the bearing transmission device comprises a transmission shaft and a bearing, the transmission shaft penetrates through the bearing and the first side surface and the second side surface of the shell seat, the transmission shaft is provided with a driving end and a transmission end which are opposite, the driving end penetrates out of the first side surface of the shell seat and then is connected with the belt driving device, and the transmission end penetrates out of the second side surface of the shell seat and then is placed in a wheel axle sleeve of the impeller device and is fixedly connected with the wheel axle sleeve; and the belt driving device drives the transmission shaft of the bearing transmission device to rotate so as to drive the impeller device to rotate to form negative pressure.

Further, in an embodiment of the present invention, the belt driving device includes a motor, a driving shaft, a belt pulley, and a belt; the motor is arranged on the top surface of the shell seat; the driving shaft is located above the transmission shaft along the extension direction of the transmission shaft, the belt pulley is arranged at the tail end of the driving shaft and at the tail end of the transmission shaft respectively, the belt is wound on the belt pulley, the belt driving device drives the driving shaft to rotate through the motor, and then the belt pulley is linked with the belt to drive the transmission shaft to rotate.

Furthermore, in an embodiment of the present invention, the housing further includes a belt housing; the belt housing is arranged on the second side surface and covers the driving shaft, the transmission shaft, the belt pulley and the outside of the belt.

The utility model discloses an in the embodiment, impeller device's wheel shell is equipped with the reinforcement floor, the reinforcement floor slant connect in the terminal circumference of axle sleeve global with between the installation conch wall.

The utility model discloses an in the embodiment, impeller device's each the sword form blade includes blade body and hardening blade, hardening blade pile is established and is fixed in the surface of blade body, hardening blade takes shape to be the cutting part along its relative both sides on long limit.

Further, in an embodiment of the present invention, the blade-shaped blade has an inner side surface facing the wheel housing and an outer side surface facing away from the wheel housing, and the inner side surface of the blade-shaped blade is parallel to the axial cross section of the wheel housing.

Furthermore, in the embodiment of the present invention, the inner side surface of the blade-shaped blade is connected to the axial end surface of the wheel shell, which is far away from the shell seat, and is located on the same plane.

In the embodiment of the utility model, the fan further comprises an eccentric feeding device fixedly assembled at the feeding port of the impeller shell cover, and the eccentric feeding device comprises a connecting cylinder, a flange and an even-number group chopping size adjusting mechanism; the connecting cylinder is shaped into a cylinder and is assembled in the feed inlet; the flange is fixedly arranged on the circumferential surface of the connecting cylinder and is positioned outside the impeller shell; the flange is provided with an even number of through holes corresponding to the shredding size adjusting mechanisms in number; each chopping size adjusting mechanism comprises a screw, a spring and at least two limiting nuts, the screw penetrates through the flange, the end part of the screw is fixedly welded on the outer surface of the impeller shell cover, the limiting nuts are screwed on the screw and define to form an adjusting section, the spring is sleeved outside the adjusting section of the screw, and the flange is pressed by the spring and leans against the limiting nuts adjacent to the impeller shell cover.

Further, in the embodiment of the present invention, at least one fixed knife is fixedly disposed on the inner wall of the connecting cylinder, the fixed knife is formed into a triangular knife plate, and the fixed knife has a fixed connecting side edge welded and fixed to the inner wall of the connecting cylinder and two broken side edges for contacting the waste rim charge.

The utility model discloses owing to adopted above technical scheme, make it have following beneficial effect:

(1) the utility model discloses an aforementioned solid useless rim charge cuts up conveying fan, can cut up simultaneously abandonment rim charge and remote transmission, realizes that abandonment rim charge is unified to collect effects such as recovery, energy saving and emission reduction, high-efficient practicality, and then has improved the rhythm that solid abandonment rim charge was retrieved by a wide margin fast, has improved industrial production's productivity with higher speed, has promoted the development of trade.

(2) The utility model discloses an aforementioned solid useless rim charge cuts up conveying fan, through the rotation of the inside impeller of fan, transmits in the time of cutting up, and transmission distance can reach 200 meters or longer transmission distance, and the cooperation pipeline transmission realizes energy saving and consumption reduction, and is high-efficient practical, and the productivity is advanced, effects such as efficiency promotes by a wide margin.

(3) The utility model discloses the fan has the impact of minimum when having guaranteed the feeding through being eccentric settings's feed inlet with impeller device, and impeller device circular motion's inertia gets rid of the efficient interact between power and cutter and the stationary knife, accomplishes to cut up and transmit the function.

(4) The utility model discloses the fan utilizes components such as screw rod, spring, stop nut to realize adjusting abandonment rim charge by garrulous size (length) through eccentric feed arrangement's shredding size adjustment mechanism to reach waste recovery's economic value effect, guaranteed the life of sword form blade simultaneously.

(5) The utility model discloses the fan utilizes the interact between motor and belt pulley, belt through adopting belt drive as the power supply, forms the power source that drives bearing transmission and drive bearing transmission, has guaranteed the continuity of the bits of broken up and transmission of fan.

These and other objects, features and advantages of the present invention will become more fully apparent from the following detailed description and appended claims, and may be realized by means of the instrumentalities, devices and combinations particularly pointed out in the appended claims.

Drawings

Fig. 1 is a front view structure schematic diagram of the solid waste rim charge chopping and conveying fan of the utility model.

Fig. 2 is the side view structure schematic diagram of the solid waste leftover material chopping and conveying fan of the utility model.

Fig. 3 is a schematic side view of the impeller device of the fan of the present invention.

Fig. 4 is a schematic plan view of the hardening blade of the impeller device of the present invention.

Fig. 5 is a cross-sectional view of the hardened insert of the present invention taken at the location of line 5-5 of fig. 4.

Fig. 6 is a schematic side view of the eccentric feeding device of the fan of the present invention.

Fig. 7 is a schematic view of the sectional structure of the eccentric feeding device of the present invention with an auxiliary chopping fixed knife.

Fig. 8 is a front view of the eccentric feeding device of the present invention having three stationary knives and eight sets of cutting size adjusting mechanisms.

Fig. 9 is a front view of the eccentric feeding device of the present invention having a stationary knife and four sets of cutting size adjusting mechanisms.

The correspondence of reference numerals to components is as follows:

a housing 10; a housing base 11; a first side 111; a second side 112; an impeller casing 12; a discharge port 121; a feed port 122; a shock absorbing pad 123; a belt housing 13; a base 14; a switching component 141; an impeller device 20; the wheel housing 21; a circular shell wall 211; a mounting housing wall 212; a hub 22; a driving end 221; a drive end 222; a blade-shaped blade 23; the blade body 231; a hardened blade 232; a screw member 233; mounting holes 234; a blade portion 235; reinforcing ribs 24; an eccentric feed device 30; a connecting cylinder 31; a flange 32; a through hole 321; a chopping-size adjusting mechanism 301; a screw 33; a spring 34; a limit nut 35; a stationary knife 36; a fixed side edge 361; a breaking skirt 362; a spacer 37; a bearing transmission 40; a bracket plate 41; a drive shaft 42; a drive end 421; a drive end 422; a bearing 43; a belt drive device 50; a motor 51; a drive shaft 52; a pulley 53; a belt 54.

Detailed Description

Detailed embodiments of the present invention will be disclosed herein. It is to be understood, however, that the disclosed embodiments are merely exemplary of the invention and that the invention may be embodied in various and alternative forms. Therefore, specific structural and functional details disclosed herein are not to be interpreted as limiting, but merely as a representative basis for teaching one skilled in the art to variously employ the present invention.

To facilitate understanding of the present invention, the following description is made with reference to the accompanying drawings and examples.

Referring to fig. 1 to 9, the present invention provides a fan for cutting and conveying solid waste edge material, the fan has a feeding port 122 and a discharging port 121, the feeding port 122 is connected to each production line through a conveying pipeline (not shown), and the discharging port 121 is connected to a waste material collecting area through a conveying pipeline (not shown); borrow this through the utility model discloses the fan constitutes from the production line intercommunication to the waste material of waste material concentration district with pipeline and carries the pipeline of cutting up. Specifically, the utility model discloses the fan includes casing 10 and concentrates and locate casing 10's impeller device 20, eccentric feed arrangement 30, bearing transmission 40 and belt drive 50.

As shown in fig. 1 and 2, the casing 10 includes a casing base 11, an impeller casing 12 and a belt casing 13, the casing base 11 has a first side surface 111 and a second side surface 112 opposite to each other, the impeller casing 12 is disposed on the first side surface 111, and the belt casing 13 is disposed on the second side surface 112. As shown in fig. 2, the impeller casing 12 is extended from one side of its peripheral casing wall to form a discharge port 121, and a feed port 122 is formed on the planar casing wall of the impeller casing 12 opposite to the second side 112 of the casing seat 11.

In the embodiment of the present invention, as shown in fig. 1 and fig. 2, the fan of the present invention is disposed on a base 14. The inner space of the impeller casing 12 is preferably shaped like a snail shell, so as to form a circular casing part and a channel part extending tangentially to one side of the circular casing part, the channel part being in communication with the discharge opening 121 of the impeller casing 12 for connection with a delivery line. Impeller clamshell 12 sets firmly through the welding means on the first side 111 of shell seat 11 to firmly keep the utility model discloses the fan accords with national standard's vibration value when the operation.

In the embodiment of the present invention, as shown in fig. 1 and fig. 2, the housing 10 is disposed on the base 14; specifically, the bottom housing walls of the housing base 11 and the impeller housing 12 are respectively mounted on the base 14 through an adapter 141, the adapter 141 is specifically composed of a long trough-shaped member with a U-shaped cross section and a screw locking part, the adapter 141 is reversely disposed between the base 14 and the housing base 11 and the impeller housing 12 by opening two of the long trough-shaped members, and then the screw locking part penetrates through an upper wing plate of the long trough-shaped member to be locked with the bottom housing wall of the housing base 11 or the impeller housing 12, and the screw locking part penetrates through a lower wing plate of the long trough-shaped member to be locked with the base 14.

As shown in fig. 1 to 5, the impeller 20 is rotatably disposed inside the impeller housing 12 of the casing 10, and the impeller 20 is eccentrically disposed with respect to the inlet 122 of the impeller housing 12. The impeller device 20 comprises a wheel shell 21, a wheel hub 22, a blade-shaped blade 23 and a reinforcing rib plate 24. As shown in fig. 1, 2 and 3, the wheel housing 21 is formed with a circular housing wall 211 having opposite ends in the axial direction thereof, one end of which is formed to be open, and the other end of which is formed with a flat mounting housing wall 212. The axle sleeve 22 is formed into a hollow axle sleeve structure and is disposed along the axial center extending direction of the wheel housing 21, the axle sleeve 22 has a first end and a second end opposite to each other, the second end is fixed to the center of the mounting housing wall 212 in a penetrating manner, the first end penetrates into the wheel housing 21, and the axle sleeve 22 is connected with a power source (specifically, a transmission shaft of the bearing transmission device 40) to be driven to rotate and drive the whole impeller device 20 to rotate. The blade-shaped blades 23 are radially and fixedly provided at equal intervals on the circumferential surface of the tip end of the hub 22. The reinforcing rib 24 is connected diagonally between the circumferential surface of the end of the boss 22 and the mounting wall 212, and the reinforcing rib 24 serves to reinforce and maintain the impact resistance of the impeller device 20.

In the embodiment of the present invention, as shown in fig. 3 to 5, each blade-shaped blade 23 includes a blade body 231 and a hardened blade 232 which are stacked and fixedly connected into a whole, and the inner end of the blade body 231 is fixedly connected to the hub 22 by welding; the hardening blade 232 is provided with a plurality of mounting holes 234 which are fixedly connected with the blade body 231 after penetrating through the screw member 233, as shown in fig. 5, the mounting holes 234 are formed into tapered holes for accommodating the head of the screw member 233, and the hardening blade 232 is formed into blade portions 235 capable of cutting waste rim charge along the opposite two sides of the long side thereof; the hardened blades 232 are specifically shaped as beveled angle blades for resisting impact and not tipping due to impact during shredding operations. More specifically, as shown in fig. 4, the blade body 231 and the hardened blade 232 are fixedly assembled by five screw members 233.

Furthermore, as shown in fig. 1, the knife-edge blade 23 has an inner side surface facing the wheel casing 21 and an outer side surface facing away from the wheel casing 21, and preferably, the inner side surface of the knife-edge blade 23 is parallel to the axial section of the wheel casing 21; more preferably, the inner side surface of the blade-like vane 23 is in contact with and located on the same plane as the axial end surface of the end of the wheel housing 21 formed in a released shape.

As shown in fig. 1, 2, and 6 to 9, the eccentric feeding device 30 is fixedly assembled at the feeding hole 122 of the impeller housing 12, so as to be eccentrically disposed with respect to the axial center of the impeller device 20. The eccentric feeding device 30 comprises a connecting cylinder 31, a flange 32 and an even number of groups of chopping size adjusting mechanisms 301; the connecting cylinder 31 is shaped like a cylinder and is assembled in the feed inlet 122, the flange 32 is welded and fixed on the circumferential surface of the connecting cylinder 31 and is positioned outside the impeller shell 12, an even number of through holes 321 corresponding to the number of the chopping size adjusting mechanisms 301 are formed in the flange 32, and the through holes 321 are symmetrically and equidistantly arranged in a ring shape along the flange 32; the chopping size adjusting mechanisms 301 are symmetrically arranged around the connecting cylinder 31 and are arranged on the flange 32 in a penetrating manner; each chopping size adjusting mechanism 301 comprises a screw 33, a spring 34 and at least two limit nuts 35, the screw 33 penetrates through the flange 32, the end of the screw 33 is fixedly welded on the outer surface of the impeller shell 12, the limit nuts 35 are screwed on the screw 33 and define to form an adjusting section, the spring 34 is sleeved outside the adjusting section of the screw 33, and the flange 32 is pressed by the spring 34 and leans against the limit nuts 35 adjacent to the impeller shell 12. Therefore, the utility model discloses the fan is through adjusting stop nut 35 position on screw rod 33 is in order to change the compression length of spring 34 to realize adjusting the effect of cutting up back abandonment rim charge length size, with the economic value effect of improving the back abandonment rim charge of cutting up, protect the cutter in order to prolong its life simultaneously. Preferably, in order to avoid the relative wear of the limiting nut 35 and the flange 32 and the spring 34, the limiting nut 35 is provided with a gasket 37 on one side facing the adjusting section, so that two ends of the spring 34 are respectively in abutting contact with the gasket 37 and the flange 32, and the flange 32 is sandwiched between the spring 34 and the gasket 37.

In the embodiment of the present invention, as shown in fig. 7, 8 and 9, the number of the chopping size adjusting mechanisms 301 is an even number of groups, and preferably, the chopping size adjusting mechanisms are arranged at equal intervals or symmetrically on the flange 32; in addition, a fixed knife 36 may be further welded on the inner wall of the connecting cylinder 31, as shown in fig. 7, the fixed knife 36 is shaped as a triangular knife plate, the triangular knife plate has a fixed side edge 361 welded and fixed with the inner wall of the connecting cylinder 31 and two crushing side edges 362 for contacting with the waste rim charge, the crushing side edges 362 are used for crushing the waste rim charge into smaller-sized waste materials in the process of sucking the waste rim charge into the impeller shell cover 12; the two breaker skirts 362 may be shaped as planes, blades, or a combination thereof; the number of the fixed knives 36 can be one or more, and when the number is more, the fixed knives 36 are preferably arranged at equal intervals; more specifically, the inner wall of the connecting cylinder 31 may be provided with three stationary blades 36. Fig. 8 shows an embodiment in which the eccentric feed device 30 has eight sets of the chopping size adjusting mechanisms 301 and three stationary blades 36; fig. 9 shows an embodiment in which the eccentric feeding device 30 has four sets of the chopping size adjusting mechanisms 301 and one fixed knife 36.

In addition, as shown in fig. 6, in order to ensure the assembling stability of the connection cylinder 31 and the feed inlet 122, an annular shock-absorbing pad 123 is further disposed on the periphery of the feed inlet 122, so that the connection cylinder 31 is disposed in the feed inlet 122, an inner edge of the shock-absorbing pad 123 is connected to an outer surface of the connection cylinder 31, and the shock-absorbing pad 123 is made of a soft material, such as rubber, or a material capable of adhering to the outer surface of the connection cylinder 31 to fix and absorb shock to the connection cylinder 31. More specifically, in the embodiment of the present invention, the damping washer 123 is sandwiched and fixed between the hard annular washer and the outer surface of the impeller shell 12, and the inner edge of the damping washer 123 protrudes into the feeding hole 122 to fit and seal with the outer surface of the connecting cylinder 31.

As shown in fig. 1 and 2, the bearing transmission device 40 is disposed inside the housing seat 11 of the casing 10. The bearing gear 40 includes a bracket plate 41, a transmission shaft 42, and a bearing 43. The supporting plate 41 is fixedly connected between the first side surface 111 and the second side surface 112 of the housing 11. The bearing 43 is fixedly arranged on the support plate 41; the transmission shaft 42 penetrates through the bearing 43 and the first side surface 111 and the second side surface 112 of the housing 11, the transmission shaft 42 has a driving end 421 and a driving end 422, the driving end 421 penetrates through the first side surface 111 of the housing 11 and then is connected with a power source of a fan, and the driving end 422 penetrates through the second side surface 112 of the housing 11 and then is placed inside the hub 22 of the impeller device 20 and fixedly connected with the hub 22.

As shown in fig. 1 and 2, the belt driving device 50 includes a motor 51, a driving shaft 52, a pulley 53, and a belt 54. The motor 51 is arranged on the top surface of the shell seat 11; the driving shaft 52 is located above the driving shaft 42 along the extending direction of the driving shaft 42, the belt pulleys 53 are respectively arranged at the tail end of the driving shaft 52 and the tail end of the driving shaft 42, the belt 54 is wound on the belt pulleys 53, the belt driving device 50 drives the driving shaft 52 to rotate through the motor 51, and then the belt pulleys 53 and the belt 54 are linked to drive the driving shaft 42 to rotate.

In the embodiment of the present invention, as shown in fig. 1 and fig. 2, the belt housing 13 is formed into a strip-shaped housing structure for covering the second side surface 112 of the impeller housing 12, so as to protect the protruding driving members, such as the driving shaft 52, the transmission shaft 42, the belt pulley 53, and the belt 54, which exceed the second side surface 112 of the housing 11.

Therefore, through the utility model discloses gu useless rim charge cuts up conveying fan makes the continuity or the discontinuous abandonment rim charge that comes from the dispersion region, owing to receive belt drive arrangement 50's drive, makes impeller device 20 high-speed rotatory, produces the negative pressure, inhales pipeline with abandonment rim charge, and these abandonment rim charge through pipeline enter into the fan, and then under the high-speed rotation of the inside impeller device 20 of fan, make abandonment rim charge set firmly the hardening blade 232 that has sharp cutting edge and angle on blade body 231 and connect barrel 31's stationary knife 36 effect down and cut up the abandonment rim charge, finally via the passageway portion of impeller clamshell 12 transmits to appointed recovery area in, accomplishes the utility model discloses the shredding and the transmission function of fan. Furthermore, the utility model discloses the fan still can adjust the size that abandonment rim charge was cut apart through installing in the size of cutting up adjustment mechanism of impeller shell 12 feed inlet 122 week side to make abandonment rim charge possess higher economic value.

The present invention has been described in detail with reference to the drawings and the embodiments, and those skilled in the art can make various modifications to the present invention based on the above description. Therefore, certain details of the embodiments should not be construed as limitations of the invention, which are intended to be covered by the following claims.

Claims

1. The utility model provides a conveyor fan is cut up to solid useless rim charge which characterized in that includes:

the shell comprises a shell seat and an impeller shell cover; the shell seat is provided with a first side surface and a second side surface which are opposite, and the first side surface is provided with a power source; the impeller shell is covered on the second side surface of the shell seat; the impeller shell cover is extended from one side of the shell wall on the peripheral side of the impeller shell cover to form a discharge hole, and a feed hole is formed in the plane shell wall of the impeller shell cover, which is opposite to the second side surface of the shell seat;

the impeller device is arranged inside the impeller shell cover; the impeller device comprises a wheel shell, a wheel shaft sleeve and blade-shaped blades; the axle center of the wheel shell is eccentrically arranged on the second side surface of the shell seat relative to the circle center of the feed port; the axle sleeve is fixedly arranged inside the wheel shell along the axle center of the wheel shell; the blade-shaped blades are radially and fixedly arranged on the circumferential peripheral surface of the tail end of the hub at equal intervals; the axle sleeve is connected with the power source to be driven to rotate and drive the whole impeller device to rotate to form negative pressure.

2. The solid waste rim charge shredding and conveying fan as claimed in claim 1, characterized in that:

the power source comprises a bearing transmission device and a belt driving device, the belt driving device is arranged outside the shell seat, and the bearing transmission device is arranged inside the shell seat of the machine shell and used for driving the belt driving device of the bearing transmission device; wherein,

the bearing transmission device comprises a transmission shaft and a bearing, the transmission shaft penetrates through the bearing and the first side surface and the second side surface of the shell seat, the transmission shaft is provided with a driving end and a transmission end which are opposite, the driving end penetrates out of the first side surface of the shell seat and then is connected with the belt driving device, and the transmission end penetrates out of the second side surface of the shell seat and then is placed in a wheel axle sleeve of the impeller device and is fixedly connected with the wheel axle sleeve;

and the belt driving device drives the transmission shaft of the bearing transmission device to rotate so as to drive the impeller device to rotate to form negative pressure.

3. The solid waste rim charge shredding and conveying fan as claimed in claim 2, characterized in that:

the belt driving device comprises a motor, a driving shaft, a belt pulley and a belt; the motor is arranged on the top surface of the shell seat; the driving shaft is located above the transmission shaft along the extension direction of the transmission shaft, the belt pulley is arranged at the tail end of the driving shaft and at the tail end of the transmission shaft respectively, the belt is wound on the belt pulley, the belt driving device drives the driving shaft to rotate through the motor, and then the belt pulley is linked with the belt to drive the transmission shaft to rotate.

4. The solid waste rim charge chopping and conveying fan as claimed in claim 3, wherein:

the housing further comprises a belt housing; the belt housing is arranged on the second side surface and covers the driving shaft, the transmission shaft, the belt pulley and the outside of the belt.

5. The solid waste rim charge shredding and conveying fan as claimed in claim 1, characterized in that:

the impeller shell of the impeller device is provided with a reinforcing rib plate which is obliquely connected between the circumferential peripheral surface at the tail end of the impeller shaft sleeve and an installation shell wall.

6. The solid waste rim charge chopping and conveying fan as claimed in claim 1 or 2, characterized in that:

each blade-shaped blade of the impeller device comprises a blade body and a hardening blade, the hardening blade is fixedly stacked on the surface of the blade body, and the hardening blade is formed into a blade part along two opposite sides of the long edge of the hardening blade.

7. The solid waste rim charge shredding and conveying fan as claimed in claim 6, characterized in that:

the blade-shaped blade is provided with an inner side surface facing the wheel shell and an outer side surface departing from the wheel shell, and the inner side surface of the blade-shaped blade is parallel to the axial section of the wheel shell.

8. The solid waste rim charge shredding and conveying fan as claimed in claim 7, characterized in that:

the inner side surfaces of the blade-shaped blades are connected with the axial end surface of the wheel shell, which is far away from the shell seat, and are positioned on the same plane.

9. The solid waste rim charge chopping and conveying fan as claimed in claim 1 or 2, characterized in that:

the fan also comprises an eccentric feeding device fixedly assembled at a feeding port of the impeller shell cover, and the eccentric feeding device comprises a connecting cylinder, a flange and an even number of groups of chopping size adjusting mechanisms; wherein,

the connecting cylinder is shaped into a cylinder and is assembled in the feed inlet;

the flange is fixedly arranged on the circumferential surface of the connecting cylinder and is positioned outside the impeller shell; the flange is provided with an even number of through holes corresponding to the shredding size adjusting mechanisms in number;

each chopping size adjusting mechanism comprises a screw, a spring and at least two limiting nuts, the screw penetrates through the flange, the end part of the screw is fixedly welded on the outer surface of the impeller shell cover, the limiting nuts are screwed on the screw and define to form an adjusting section, the spring is sleeved outside the adjusting section of the screw, and the flange is pressed by the spring and leans against the limiting nuts adjacent to the impeller shell cover.

10. The solid waste rim charge shredding and conveying fan as claimed in claim 9, characterized in that:

the inner wall of the connecting cylinder body is fixedly provided with at least one fixed cutter which is shaped into a triangular cutter plate, and the fixed cutter is provided with a fixed connecting side edge welded and fixed with the inner wall of the connecting cylinder body and two crushing side edges for contacting and crushing the waste edge materials.