CN219092750U

CN219092750U - Conveying and screening equipment for solid waste

Info

Publication number: CN219092750U
Application number: CN202222996989.9U
Authority: CN
Inventors: 冯标; 陈励焱
Original assignee: Suzhou Microblue Environmental Protection Technology Co ltd
Current assignee: Suzhou Microblue Environmental Protection Technology Co ltd
Priority date: 2022-11-11
Filing date: 2022-11-11
Publication date: 2023-05-30
Anticipated expiration: 2032-11-11

Abstract

The utility model discloses a conveying and screening device for solid waste, which comprises: a base; and a plurality of groups of vibrating screen transport assemblies disposed on the base for transporting and screening solid waste; the conveying belt is sleeved on the two rollers and used for conveying the solid waste, and a first sieve pore is formed in the conveying belt and used for sieving the solid waste; the guide assembly is arranged between the connecting frames and used for guiding out solid wastes; and the vibrating device is arranged on the material guide assembly. According to the utility model, through the action of the vibration type screening and transporting assemblies, the solid waste can be transported in multiple stages and can be screened step by step, so that the solid waste conforming to the standard size is screened, the later utilization of the solid waste is facilitated, and the speed of screening the solid waste by the conveying belt is accelerated through the action of the vibration device, and the screening and transporting efficiency is greatly improved.

Description

Conveying and screening equipment for solid waste

Technical Field

The utility model relates to the technical field of solid waste, in particular to conveying and screening equipment for solid waste.

Background

Solid waste refers to solid, semi-solid waste materials produced by humans during production, consumption, life and other activities. The solid waste conveying and screening device mainly comprises solid particles, garbage, slag, sludge, waste products, broken vessels, defective products and the like, and the solid waste is required to be transported, packed and collected in daily life, but because of the difference of the sizes of the solid wastes, the solid waste conveying and screening device is used for conveying granular solid wastes with different sizes in a centralized mixing mode, and is extremely unfavorable for post-treatment.

Disclosure of Invention

The utility model aims to provide conveying and screening equipment for solid wastes, which can carry out multistage conveying on solid wastes and step-by-step screening simultaneously by the action of a plurality of vibrating type screening and conveying components, so that the solid wastes conforming to the standard size are screened, the later utilization of the solid wastes is facilitated, the speed of conveying a belt to screen the solid wastes is accelerated by the action of a vibrating device, and the screening and conveying efficiency is greatly improved.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a solid waste conveying and screening apparatus comprising: a base; the vibrating type screening and transporting assemblies are arranged on the base and are used for transporting and screening solid wastes, and the tail ends of the first vibrating type screening assemblies are arranged above the lower vibrating type screening assemblies; each vibrating type screening and transporting assembly comprises a supporting frame, connecting frames, rotatable rollers, conveying belts, first sieve holes and second sieve holes, wherein the connecting frames are respectively arranged on the supporting frame, the rollers are arranged at opposite ends of each connecting frame through rotating shafts, the conveying belts are sleeved on the two rollers and used for transporting solid wastes, and the first sieve holes are formed in the conveying belts and used for screening the solid wastes; the guide assembly is arranged between the connecting frames and is positioned in the conveying belt and used for guiding out solid wastes; and the vibration device is arranged on the material guide assembly and is used for vibrating the conveying belt.

Preferably, each group of the material guiding components comprises arc-shaped baffle plates respectively fixed on opposite faces of the two connecting frames, and two ends of each arc-shaped baffle plate are respectively tangent with the inner wall of the conveying belt and used for blocking waste materials from entering between the roller and the conveying belt; the device also comprises a guide plate fixed between the two arc-shaped baffle plates, and the guide plate is arranged between the inner walls of the conveying belt and used for guiding out solid wastes.

Preferably, the vibration device comprises a plurality of telescopic structures respectively arranged at two sides of the guide plate, each group of telescopic structures comprises a mounting sleeve fixed on the guide plate, a top rod capable of moving up and down is arranged in the mounting sleeve and used for pushing the conveying belt to partially move up and down, and the vibration device further comprises mounting pieces arranged at the top of the top rod, and the mounting pieces with opposite telescopic structures at two sides are connected through a cross rod; the device also comprises a driving device arranged on the side wall of the connecting frame and used for driving a plurality of telescopic structures arranged on one side of the guide plate to operate.

Preferably, the driving device comprises a mounting frame fixed on the side wall of one of the connecting frames and a mounting bar capable of moving in a telescopic manner in the mounting frame, wherein a plurality of transmission grooves are formed in the mounting bar, and the adjacent transmission grooves are symmetrically arranged; the transmission rods are arranged in the transmission grooves and can slide, and one ends of the transmission rods, which are far away from the transmission grooves, penetrate through the through grooves formed in the mounting sleeves and are fixed with the side walls of the ejector rods; the electric telescopic rod is arranged on the side wall of the mounting frame, and the telescopic end of the electric telescopic rod is fixedly connected with the mounting strip and used for driving the mounting strip to move.

Preferably, the device further comprises a grinding device arranged on the base for grinding the solid waste, and the end part of the grinding device is arranged at the upper part of the first vibrating screen assembly; the crushing device comprises a mounting frame and a crushing box arranged on the mounting frame; the crushing box is characterized by further comprising two crushing rollers which are respectively arranged in the crushing box through mounting shafts and rotate towards the middle part, and the two crushing rollers are used for crushing solid wastes; the meshing driving assembly is arranged on the side wall of the crushing box and used for driving the two crushing rollers to operate; the spiral conveying pipe is arranged on the side wall of the mounting frame, is communicated with the bottom of the crushing box through a connecting sleeve, and is arranged in the spiral conveying pipe and can rotate, and is used for conveying solid waste; the spiral conveying device is characterized by further comprising a third motor arranged on the side wall of the mounting frame, and an output shaft of the third motor penetrates through a through hole formed in the side wall of the mounting frame and is fixedly connected with the spiral conveying rod and used for driving the spiral conveying rod to rotate.

Preferably, the meshing driving assembly comprises a first transmission tooth arranged on the side wall of the crushing box and a second transmission tooth meshed with the first transmission tooth, and the mounting shafts of the two crushing rollers are respectively fixedly connected with the first transmission tooth and the second transmission tooth through holes formed in the side wall of the crushing box; the crushing machine is characterized by further comprising a connecting frame arranged on the side wall of the crushing box, a first motor arranged on the side wall of the connecting frame, and an output shaft of the first motor is fixedly connected with a mounting shaft where a first transmission gear is located and used for driving two crushing rollers to rotate.

Preferably, the second sieve holes formed in the spiral conveying pipe and the first sieve holes formed in the conveying belt where the vibrating type screening and transporting assemblies are positioned are sequentially increased in size and are used for screening solid wastes with different sizes; the device also comprises a plurality of storage grooves formed in the base, and the storage grooves are respectively used for recycling solid wastes with different sizes.

Compared with the prior art, the utility model has the following beneficial effects:

according to the utility model, through the action of the vibration type screening and transporting assemblies, the solid waste can be transported in multiple stages and can be screened step by step, so that the solid waste conforming to the standard size is screened, the later utilization of the solid waste is facilitated, and the speed of screening the solid waste by the conveying belt is accelerated through the action of the vibration device, and the screening and transporting efficiency is greatly improved.

Drawings

FIG. 1 is a schematic view of a first perspective view of the present utility model;

FIG. 2 is a schematic view of a second perspective view of FIG. 1;

FIG. 3 is a schematic rear view of the structure of FIG. 1;

FIG. 4 is a schematic elevational view of the structure of FIG. 1;

FIG. 5 is an enlarged schematic view of the structure at A;

fig. 6 is a schematic side view of fig. 1.

In the figure: 1. a base; 2. a mounting frame; 3. a connecting frame; 4. a crushing box; 5. a first motor; 6. a first drive tooth; 7. a second drive tooth; 8. a mounting shaft; 9. a crushing roller; 10. connecting sleeves; 11. a screw conveying pipe; 12. a second screen aperture; 13. a screw conveyor rod; 14. a conveyor belt; 15. a support frame; 17. a mounting bar; 18. a mounting frame; 19. an electric telescopic rod; 20. a connection frame; 21. a second motor; 22. a guide plate; 23. a transmission groove; 24. a transmission rod; 25. a mounting sleeve; 26. a through groove; 27. a push rod; 28. a third motor; 29. a roller; 30. a storage groove; 31. an arc baffle; 33. and a mounting member.

Detailed Description

In the description of the present utility model, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model. Embodiments of the present utility model will be described in detail below with reference to the accompanying drawings.

Example 1

Referring to fig. 1 to 6, the present utility model preferably provides the following technical solutions: a solid waste conveying apparatus, comprising: a base 1; and a plurality of groups of vibrating screen transporting components arranged on the base 1 and used for transporting and screening solid wastes, and the tail end of the first vibrating screen component is arranged above the lower vibrating screen component; each vibrating type screening and transporting assembly comprises a supporting frame 15, a connecting frame 20 respectively arranged on the supporting frame 15, rollers 29 rotatably arranged at opposite ends of each connecting frame 20 through rotating shafts, a conveying belt 14 sleeved on the two rollers 29 and used for transporting solid wastes, and a first sieve pore used for screening the solid wastes is formed in the conveying belt 14; the device also comprises a material guiding assembly arranged between the connecting frames 20, and the material guiding assembly is positioned inside the conveying belt 14 and used for guiding out solid waste; and a vibrating device provided on the guide assembly for vibrating the conveyor belt 14.

In this embodiment, the vibrating screen transport assemblies are preferably two groups, the side wall of the connecting frame 20 where each group of vibrating screen transport assemblies is located is further provided with a second motor 21, and the output shaft of the second motor 21 passes through a through hole formed in the side wall of one of the connecting frames 20 and is fixed with the roller 29;

when the solid waste is required to be transported, the solid waste can be transported and screened in multiple stages through the plurality of vibration type screening transportation components, and the device is used for transporting the solid waste and screening the solid waste when the solid waste is transported to the conveyor belt 14, and then the second motor 21 is started, so that the conveyor belt 14 is transported, the solid waste can be screened through the first sieve holes formed in the conveyor belt 14, the solid waste falling through the first sieve holes can be guided to the solid waste collecting position through the action of the material guiding component, the conveyor belt 14 can vibrate through the action of the vibration device, the solid waste at the upper part of the conveyor belt 14 can be rapidly fallen through the first sieve holes, the device is used for transporting the solid waste while the solid waste is transported, the solid waste meeting the standard is screened, the solid waste which does not meet the standard can be transported to the lower vibration type screening transportation component, the multi-stage screening is continued, the solid waste can be crushed again, the solid waste can be transported again through the action of the vibration type screening transportation components, the solid waste can be transported and screened step by step, the solid waste can be transported by step, the speed of the device is increased, the solid waste can be transported by step, the solid waste can be transported by a large speed, and the solid waste can be more effectively and the solid waste can be transported by a large speed, and the device is more than the speed and has a high efficiency, and has a high efficiency.

Further, each group of material guiding components comprises arc-shaped baffle plates 31 respectively fixed on opposite surfaces of the two connecting frames 20, and two ends of each arc-shaped baffle plate 31 are respectively tangent to the inner wall of the conveying belt 14 and are used for blocking waste materials from entering between the roller 29 and the conveying belt 14; and a guide plate 22 fixed between the two arc-shaped baffles 31, and the guide plate 22 is arranged inside the conveying belt 14 for guiding out the solid waste.

As shown in fig. 1 and 3, through the structure and the position setting of the guide plate 22, the solid waste passing through the first sieve mesh screen of the conveying belt 14 can be guided to the recovery position, and the solid waste is blocked from entering between the roller 29 and the conveying belt 14 through the arc-shaped baffle plate 31, so that the possibility of clamping the roller 29 due to the solid waste entering between the roller 29 and the conveying belt 14 is reduced, and the normal operation of the roller 29 is ensured.

Further, each group of vibration devices comprises a plurality of telescopic structures respectively arranged at two sides of the guide plate 22; each group of telescopic structures comprises a mounting sleeve 25 fixed on the guide plate 22, a push rod 27 capable of moving up and down is arranged in the mounting sleeve 25 and used for pushing the conveying belt 14 to partially up and down, and mounting pieces 33 arranged at the top of the push rod 27, and the opposite mounting pieces 33 of the telescopic structures at two sides are connected through a cross rod; the device also comprises a driving device arranged on the side wall of the connecting frame 20 and used for driving a plurality of telescopic structures arranged on one side of the guide plate 22 to operate.

Through a plurality of extending structures that deflector 22 both ends set up respectively, as shown in fig. 1, when needs make conveyer belt 14 vibration and accelerate the sieve, through drive arrangement's effect this moment, can drive a plurality of extending structures operation of one side wherein, can make transfer line 24 reciprocate in transmission groove 23 inside, again because connect through the horizontal pole between the relative installed part 33 of both sides extending structure, as shown in fig. 3, therefore when a plurality of extending structures of one side remove, can drive a plurality of extending structures of opposite sides of deflector 22 synchronous operation, thereby promote conveyer belt 14 and reciprocate, can make conveyer belt 14 upper surface vibration when conveyer belt 14 operates, thereby accelerate solid useless screening transportation rate.

Further, the driving device comprises a mounting frame 18 fixed on the side wall of one of the connecting frames 20, and a mounting bar 17 capable of moving in a telescopic manner inside the mounting frame 18, wherein a plurality of transmission grooves 23 are formed in the mounting bar 17, and the adjacent transmission grooves 23 are symmetrically arranged; the transmission rods 24 are arranged in each transmission groove 23 and can slide, and one ends of the transmission rods 24 far away from the transmission grooves 23 penetrate through grooves 26 formed in the mounting sleeves 25 and are fixed with the side walls of the ejector rods 27; the electric telescopic rod is arranged on the side wall of the mounting frame 18, and the telescopic end of the electric telescopic rod 19 is fixedly connected with the mounting strip 17 and used for driving the mounting strip 17 to move.

Because the adjacent driving grooves 23 on the mounting strip 17 are symmetrically arranged, as shown in fig. 4, when the mounting strip 17 is moved, the adjacent driving rods 24 can be driven to symmetrically move in the corresponding driving grooves 23, so that the push rods 27 with adjacent telescopic structures are opposite in running direction, as shown in fig. 5, when the conveying belt 14 is required to vibrate, the electric telescopic rods 19 are started, the mounting strip 17 is in telescopic movement in the mounting frame 18, so that a plurality of driving rods 24 are pushed to slide in the corresponding driving grooves 23, a plurality of telescopic assemblies can be moved up and down, and due to the structural arrangement of the driving grooves 23, the push rods 27 with adjacent telescopic structures are driven to oppositely move, the conveying belt 14 is further driven to partially move up and down, and the conveying belt 14 is enabled to vibrate in a wave shape.

Example 2

As another embodiment of the present utility model, there is further provided a crushing means provided on the base 1 for crushing the solid wastes, and an end of the crushing means is disposed at an upper portion of the first vibratory screening assembly; the crushing device comprises a mounting frame 2 and a crushing box 4 arranged on the mounting frame 2; the crushing device also comprises two crushing rollers 9 which are respectively arranged inside the crushing box 4 through mounting shafts 8 and rotate towards the middle part, and are used for crushing solid wastes; the meshing driving assembly is arranged on the side wall of the crushing box 4 and is used for driving the two crushing rollers 9 to operate; the device comprises a mounting frame 2, a first vibrating type screening and transporting assembly, a second vibrating type screening and transporting assembly, a third vibrating type screening and transporting assembly, a first vibrating type screening and transporting assembly and a second vibrating type screening and transporting assembly, wherein the first vibrating type screening and transporting assembly further comprises a spiral transporting pipe 11 arranged on the side wall of the mounting frame 2, the top of the first vibrating type screening and transporting assembly is fixedly connected with the top of the first vibrating type screening and transporting assembly, the first vibrating type screening and transporting assembly is used for transporting solid waste; the device further comprises a third motor 28 arranged on the side wall of the mounting frame 2, and an output shaft of the third motor 28 penetrates through a through hole formed in the side wall of the mounting frame 2 and is fixedly connected with the screw conveying rod 13, and the output shaft is used for driving the screw conveying rod 13 to rotate.

When the solid waste is required to be crushed, the meshed driving assembly is started to enable the two crushing rollers 9 to operate, the solid waste is placed between the two crushing rollers 9 at the moment, the solid waste can be crushed through the arrangement of the two crushing rollers 9, the crushing box 4 is communicated with the spiral conveying pipe 11 through the connecting sleeve 10, so that the crushed solid waste can enter the spiral conveying pipe 11 through the connecting sleeve 10, the spiral conveying rod 13 is driven to rotate due to the operation of the third motor 28, the solid waste can be conveyed to the conveying belt 14 where the first vibrating type screening conveying assembly is located through the structural characteristics of the spiral conveying rod 13, the solid waste can be crushed and conveyed to the vibrating type screening conveying assembly through the power provided by the meshed driving assembly in a matched mode, the solid waste can be screened by the vibrating type screening conveying assembly through the cooperation of the two crushing rollers, the crushed solid waste entering the vibrating type screening conveying assembly is crushed through the spiral conveying assembly, and the effect of the spiral conveying rod 13 arranged inside the spiral conveying pipe 11 is achieved, the crushed solid waste after the crushing assembly uniformly enters the conveying belt where the vibrating type screening assembly is conveyed by the conveying belt 14, and the service life of the conveying belt is prolonged.

Further, the meshing driving assembly comprises a first transmission tooth 6 arranged on the side wall of the crushing box 4 and a second transmission tooth 7 meshed with the first transmission tooth 6, and the mounting shafts 8 where the two crushing rollers 9 are positioned are respectively fixedly connected with the first transmission tooth 6 and the second transmission tooth 7 through holes formed in the side wall of the crushing box 4; still including setting up the link 3 at broken case 4 lateral wall to and set up the first motor 5 at the link 3 lateral wall, and the output shaft of first motor 5 and the installation axle 8 fixed connection at first transmission tooth 6 place for drive two crushing roller 9 rotation.

Because the first driving gear 6 is meshed with the second driving gear 7, and the first driving gear 6 and the second driving gear 7 are fixedly connected with the mounting shafts 8 where the two crushing rollers 9 are located respectively, as shown in fig. 1, when the first motor 5 is started, the first driving gear 6 fixed with the output shaft of the first motor 5 rotates, so that the second driving gear 7 meshed with the first driving gear 6 is driven to rotate, the two crushing rollers 9 are driven to rotate towards the middle, and solid wastes can be crushed.

Example 3

As other embodiments of the present utility model, the sizes of the second sieve holes 12 formed in the spiral conveying pipe 11 and the first sieve holes formed in the conveying belt 14 where the plurality of vibrating type sieving and transporting components are located are sequentially increased, so as to sieve solid wastes with different sizes; the device also comprises a plurality of storage grooves 30 which are arranged on the base 1 and are respectively used for recycling solid wastes with different sizes.

As shown in fig. 1 and 2, the sizes of the second sieve holes 12 where the grinding device is located and the first sieve holes formed in the conveying belt 14 where the two groups of vibrating type sieving and transporting components are located are sequentially increased, and the sizes of the solid wastes recovered by the storage grooves 30 formed in the base 1 are sequentially increased from right to left by matching with the storage grooves 30 formed in the base 1, as shown in fig. 1, the solid wastes can be subjected to multi-layer sieving due to different sizes of the first sieve holes; this process is used for retrieving respectively grinding device place second sieve mesh 12 according to the position setting of accomodating groove 30 to and the solid useless of two sets of vibrating screening transportation subassembly screening to through a plurality of accomodating grooves 30 that set up, can retrieve the solid useless of equidimension not, be convenient for follow-up utilization.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The detachable mounting mode is various, for example, the detachable mounting mode can be matched with the buckle through plugging, for example, the detachable mounting mode can be realized through a bolt connection mode, and the like.

The conception, specific structure, and technical effects produced by the present utility model are clearly and completely described above in connection with the embodiments and the drawings so as to fully understand the objects, features, and effects of the present utility model. It is apparent that the described embodiments are only some embodiments of the present utility model, but not all embodiments, and that other embodiments obtained by those skilled in the art without inventive effort are within the scope of the present utility model based on the embodiments of the present utility model. In addition, all coupling/connection relationships mentioned herein do not refer to direct connection of the components, but rather, refer to the fact that a more optimal coupling structure may be formed by adding or subtracting coupling aids depending on the particular implementation.

The foregoing embodiments are provided for further explanation of the present utility model and are not to be construed as limiting the scope of the present utility model, and some insubstantial modifications and variations of the present utility model, which are within the scope of the utility model, will be suggested to those skilled in the art in light of the foregoing teachings.

Claims

1. Solid waste is with carrying screening equipment, its characterized in that includes:

a base (1);

the vibrating type screening and transporting assemblies are arranged on the base (1) and are used for transporting and screening solid wastes, and the tail ends of the first vibrating type screening assemblies are arranged above the lower vibrating type screening assemblies;

each vibrating type screening and transporting assembly comprises a supporting frame (15), connecting frames (20) arranged on the supporting frame (15) respectively, rollers (29) arranged at opposite ends of each connecting frame (20) through rotating shafts and conveying belts (14) sleeved on the two rollers (29) and used for transporting solid wastes, and first sieve holes are formed in the conveying belts (14) and used for screening the solid wastes;

the device also comprises a material guiding assembly arranged between the connecting frames (20), and the material guiding assembly is positioned in the conveying belt (14) and used for guiding out solid wastes;

and the vibration device is arranged on the material guide assembly and is used for vibrating the conveying belt (14).

2. The solid waste conveying and screening apparatus according to claim 1, wherein: each group of material guiding components comprises arc-shaped baffle plates (31) which are respectively fixed on opposite surfaces of the two connecting frames (20), and two ends of each arc-shaped baffle plate (31) are respectively tangent with the inner wall of the conveying belt (14) and are used for blocking waste materials from entering between the roller (29) and the conveying belt (14);

the device also comprises a guide plate (22) fixed between the two arc-shaped baffle plates (31), and the guide plate (22) is arranged between the inner walls of the conveying belt (14) and is used for guiding out solid wastes.

3. The solid waste conveying and screening apparatus according to claim 2, wherein: the vibrating device comprises a plurality of telescopic structures which are respectively arranged at two sides of the guide plate (22), each group of telescopic structures comprises a mounting sleeve (25) which is fixed on the guide plate (22), a push rod (27) which can move up and down is arranged in the mounting sleeve (25) and is used for pushing the conveying belt (14) to be partially up and down, and the vibrating device also comprises mounting pieces (33) which are arranged at the top of the push rod (27), and the mounting pieces (33) which are opposite to the telescopic structures at two sides are connected through a cross rod;

the device also comprises a driving device arranged on the side wall of the connecting frame (20) and used for driving a plurality of telescopic structures arranged on one side of the guide plate (22) to operate.

4. A solid waste conveying and screening apparatus according to claim 3, wherein: the driving device comprises a mounting frame (18) fixed on the side wall of one connecting frame (20) and a mounting strip (17) capable of moving in a telescopic way in the mounting frame (18), wherein a plurality of transmission grooves (23) are formed in the mounting strip (17), and the adjacent transmission grooves (23) are symmetrically arranged;

the transmission rods (24) are arranged in each transmission groove (23) and can slide, and one ends of the transmission rods (24) far away from the transmission grooves (23) penetrate through grooves (26) formed in the mounting sleeves (25) and are fixed with the side walls of the ejector rods (27);

the electric telescopic rod is characterized by further comprising an electric telescopic rod (19) arranged on the side wall of the mounting frame (18), and the telescopic end of the electric telescopic rod (19) is fixedly connected with the mounting strip (17) and used for driving the mounting strip (17) to move.

5. The solid waste conveying and screening apparatus according to claim 1, wherein: the device also comprises a grinding device arranged on the base (1) and used for grinding the solid waste, and the end part of the grinding device is arranged at the upper part of the first vibrating screen assembly;

the crushing device comprises a mounting frame (2) and a crushing box (4) arranged on the mounting frame (2);

the crushing device also comprises two crushing rollers (9) which are respectively arranged in the crushing box (4) through mounting shafts (8) and rotate towards the middle part, and are used for crushing solid wastes;

the meshing driving assembly is arranged on the side wall of the crushing box (4) and is used for driving the two crushing rollers (9) to operate;

the device also comprises a spiral conveying pipe (11) arranged on the side wall of the mounting frame (2), wherein the spiral conveying pipe (11) is communicated with the bottom of the crushing box (4) through a connecting sleeve (10), and a spiral conveying rod (13) which is arranged in the spiral conveying pipe (11) and can rotate is used for conveying solid wastes;

the device is characterized by further comprising a third motor (28) arranged on the side wall of the mounting frame (2), and an output shaft of the third motor (28) penetrates through a through hole formed in the side wall of the mounting frame (2) and is fixedly connected with the spiral conveying rod (13) and used for driving the spiral conveying rod (13) to rotate.

6. The solid waste conveying and screening apparatus according to claim 5, wherein: the meshing driving assembly comprises a first transmission tooth (6) arranged on the side wall of the crushing box (4) and a second transmission tooth (7) meshed with the first transmission tooth (6), and mounting shafts (8) where two crushing rollers (9) are arranged are respectively fixedly connected with the first transmission tooth (6) and the second transmission tooth (7) through holes formed in the side wall of the crushing box (4);

still including setting up link (3) of broken case (4) lateral wall, and set up first motor (5) of link (3) lateral wall, and the output shaft of first motor (5) and installation axle (8) fixed connection at first drive tooth (6) place for drive two crushing roller (9) and rotate.

7. The solid waste conveying and screening apparatus according to claim 5, wherein: the sizes of second sieve holes (12) formed in the spiral conveying pipe (11) and first sieve holes formed in a conveying belt (14) where the vibrating type screening and conveying components are arranged are sequentially increased, and the vibrating type screening and conveying components are used for screening solid wastes with different sizes;

the device also comprises a plurality of storage grooves (30) arranged on the base (1) and used for respectively recycling solid wastes with different sizes.