CN212237486U - Waste material crushing device - Google Patents

Abstract

The utility model relates to a waste crushing device, in particular to a highway waste treatment device, which aims to solve the problem of low waste crushing efficiency, which comprises a crushing box with an upper opening structure and a lower opening structure, wherein one side of the crushing box is communicated with a vertical spiral lifting mechanism, a crushing mechanism and a screening mechanism are distributed in the crushing box from top to bottom, the crushing mechanism comprises a crushing roller and a crushing plate, the screening mechanism comprises a screen plate which inclines downwards towards the vertical spiral lifting mechanism, the high end of the screen plate is provided with a sliding mechanism I, the vibrating mechanism is arranged on one side of the sieve plate close to the ground and comprises two parallel eccentric shafts which are respectively arranged at the high end and the low end of the sieve plate, the eccentric shaft at the high end of the sieve plate is higher than the eccentric shaft at the low end of the sieve plate, a top plate is arranged between the eccentric shaft and the sieve plate, and a second sliding mechanism is arranged on one side, close to the wall of the crushing box, of the top plate. The utility model discloses can improve the crushing efficiency of waste material relatively.

Description

Waste material crushing device

Technical Field

The utility model relates to a highway waste material treatment facility especially relates to a waste material breaker.

Background

The road traffic greatly promotes the development of national economy by the characteristics of strong traffic capacity, rapid running speed, flexible running mode and the like. During road construction, large amounts of recyclable waste are produced, such as: the waste materials generated by concrete or asphalt pavements are recycled, so that the cost of highway construction is reduced, and the pollution of the waste materials to the environment is reduced.

The utility model discloses a waste recovery device for highway construction, chinese utility model patent with publication number CN210171628U, including crushing case, the top and the bottom of crushing case communicate respectively feeder hopper, discharge gate one, the inner chamber of crushing case has set gradually breaker and filter equipment from top to bottom, breaker includes the second motor, the output shaft of the second motor runs through to the inner chamber of crushing case and fixedly connected with crushing roller, fixedly connected with fixing base on the inside wall of crushing roller axial both sides in the crushing case, a plurality of movable grooves have been seted up to the opposite side of two fixing bases, the inner chamber of movable groove is provided with a movable rod, one end of movable rod extends to the outside of movable groove and fixedly connected with crushing plate, the surface of crushing roller and one side of crushing plate near the crushing roller have crushing tooth; a vertical spiral lifting device is arranged on the left side of the crushing box and comprises a shell, a first motor is fixedly connected to the bottom of the shell, an output shaft of the first motor penetrates through an inner cavity of the shell and is fixedly connected with a spiral conveying rod vertically, a feeding pipe communicated with the crushing box is communicated with the bottom of the right side of the shell, a discharging pipe is communicated with the top of the right side of the shell, and an outlet end of the discharging pipe extends to an inner cavity of the feeding hopper; the utility model discloses a broken case, including filter equipment, elasticity telescopic link, fixed pipe, inner chamber and fixedly connected with second spring, the bottom of second spring and the interior bottom fixed connection of fixed pipe, the elasticity telescopic link is located the left side of filter equipment bottom, elasticity telescopic link includes the fixed plate, the fixed plate is fixed in the left bottom of broken incasement chamber, the fixed pipe of top fixedly connected with of fixed plate, the top of fixed pipe is run through and is provided with the telescopic link, the bottom of telescopic link extends to the inner chamber and the fixedly connected with second spring of fixed pipe, the.

The scheme provides a waste recovery device for highway construction, which is characterized in that waste is crushed through the matching of a crushing roller and a crushing plate, and the waste with large particle size is filtered through a filter box, so that the waste with large particle size enters a crushing box again through a vertical spiral lifting device and a discharge pipe and is crushed again, and the crushing efficiency is improved; nevertheless can know according to its specification and description figure, the second spring can reduce gradually at long-term use in-process elastic coefficient, make the filter cartridge top and bottom pitch frequency reduce gradually, lead to the filter cartridge to carry the waste material that the particle diameter is big and get into vertical screw hoisting device's conveying efficiency and weaken gradually, lead to the secondary crushing efficiency of breaker to reduce relatively, and simultaneously, the filter efficiency of filter cartridge reduces, and more waste materials get into the broken case through vertical screw hoisting device and carry out the secondary crushing, lead to the crushing efficiency of breaker to reduce relatively, consequently the utility model provides a new technical scheme.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims at providing a waste material breaker, its crushing efficiency that can improve the waste material relatively.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme: a waste crushing device comprises a support and a crushing box arranged on the support, wherein the crushing box is of an upper opening structure and a lower opening structure, a vertical spiral lifting mechanism is arranged on one side of the crushing box and comprises a vertically arranged shell, a screw rod arranged in the shell, a spiral blade fixed on the screw rod and a first motor coaxially connected to the screw rod, the shell is communicated with a feeding pipe and a discharging pipe, the feeding pipe and the discharging pipe are respectively communicated with an inner cavity of the crushing box and an upper opening of the crushing box, a crushing mechanism and a screening mechanism are distributed in the crushing box from top to bottom, the crushing mechanism comprises a crushing roller and a crushing plate, the crushing roller is coaxially connected with a second motor, the screening mechanism comprises a sieve plate, the sieve plate inclines downwards and the lower end of the sieve plate is communicated with the feeding pipe, and the high end of the sieve plate is provided, the vibrating mechanism comprises two parallel eccentric shafts, the two eccentric shafts are arranged at the high end and the low end of the sieve plate respectively, the eccentric shaft at the high end of the sieve plate is higher than the eccentric shaft at the low end of the sieve plate, two ends of a shaft rod of the eccentric shaft are rotatably connected to the wall of the crushing box, one end of the shaft rod is connected with a motor III, the eccentric shaft is parallel to the sieve plate, a top plate is arranged between the eccentric shaft and the sieve plate, the top plate is vertically arranged, two ends of the top plate are abutted to the eccentric shaft and the sieve plate respectively, and a sliding mechanism II is arranged on one.

Through adopting above-mentioned technical scheme, when needs are broken, in adding the broken case with the waste material, open motor two simultaneously, carry out the breakage through crushing shell and crushing roller, the waste material after the breakage falls on the sieve, simultaneously, open motor three, the drive eccentric shaft rotates for the roof moves the sieve in vertical direction top, thereby improve filtration efficiency relatively, make the waste material still less relatively promote through the perpendicular spiral hoist mechanism of operation and get into broken case and carry out the secondary crushing, thereby crushing efficiency is higher relatively.

The present invention may be further configured in a preferred embodiment as: the first sliding mechanism comprises a first sliding plate which is rotatably connected to the high end of the sieve plate, a first sliding groove is formed in the inner wall of the crushing box and faces the opening of the sieve plate, and the first sliding plate is slidably connected to the first sliding groove.

By adopting the technical scheme, when the sieve plate is jacked by the top plate, the first sliding plate relatively fixes the sieve plate on the inner wall of the crushing box, so that the stability of the sieve plate is relatively ensured, the sieve plate is kept horizontally arranged, and the filtering effect is good for a long time; the first sliding plate is slidably connected with the first sliding groove to ensure normal vibration of the sieve plate.

The present invention may be further configured in a preferred embodiment as: the second sliding mechanism comprises a second sliding plate, the second sliding plate is T-shaped, a second sliding groove is formed in the inner wall of the crushing box, the second sliding groove faces the opening of the sieve plate, and the second sliding plate is fixed on the top plate and is connected in the second sliding groove in a sliding mode.

Through adopting above-mentioned technical scheme, when the eccentric wheel rotated and made the roof top move, the roof was fixed in crushing incasement wall relatively to slide two to through two sliding connection of slide in the spout two in order to guarantee that the roof is moving smoothly in vertical direction as the roof, thereby guarantee the long-term preferred of result of use of roof.

The present invention may be further configured in a preferred embodiment as: and the side of one end of the sieve plate close to the crushing roller is provided with a side rail.

Through adopting above-mentioned technical scheme, when the waste material whereabouts in the sieve and roll on the sieve, set up in the sidebar of sieve avris and can prevent the waste material from the avris whereabouts of sieve relatively to make the filtration of sieve preferred relatively.

The present invention may be further configured in a preferred embodiment as: the lower end of the sieve plate is V-shaped and the lower end of the sieve plate is lapped in the feeding pipe.

Through adopting above-mentioned technical scheme, when the waste material rolls from the sieve and falls in the inlet pipe, because sieve low side overlap joint is in the inlet pipe, so can prevent relatively that the sieve from being moved by the roof top, the sieve breaks away from the inlet pipe, leads to the phenomenon that the waste material can not get into the inlet pipe smoothly to the result of use is long-term preferred relatively.

The present invention may be further configured in a preferred embodiment as: and one side of the sieve plate, which is far away from the top plate, is wavy.

Through adopting above-mentioned technical scheme, when the waste material rolled on the sieve, the rolling route of relative extension waste material when being the smooth roll of waste material on the sieve can be guaranteed to the screen face that is wavy to filtration efficiency is higher relatively, and the waste material that relatively still less passes through inlet pipe, perpendicular spirochaeta hoist mechanism oneself discharging pipe and gets into broken case, and crushing efficiency is higher relatively.

The present invention may be further configured in a preferred embodiment as: a guide mechanism is arranged between the sieve plate and the crushing roller and comprises a guide plate for guiding waste materials, the guide plate is obliquely arranged and fixed on the inner wall of the crushing box, the high end of the guide plate is close to the crushing plate, and the low end of the guide plate is inclined towards the high end of the sieve plate.

By adopting the technical scheme, when the waste materials are crushed by the crushing plate and the crushing roller and then go down, the waste materials are guided to the high end of the sieve plate through the inclined guide plate, so that the waste materials are all rolled down from the high end of the sieve plate, and the filtering effect of the sieve plate is relatively better; in addition, the guide plate can relatively prevent the waste material from directly falling from the lower end of the screen plate, so that the use effect is relatively better.

The present invention may be further configured in a preferred embodiment as: in the vertical direction, the lower end of the guide plate is spaced from the upper end of the sieve plate.

By adopting the technical scheme, the lower end of the guide plate and the high end of the sieve plate form a space, so that the vibrating sieve plate can be prevented from colliding with the guide plate, and the guide plate does not block the sieve plate after falling to the high end of the sieve plate, and the using effect is relatively good for a long time.

The present invention may be further configured in a preferred embodiment as: the top plate is respectively close to the eccentric shaft and the two end sides of the sieve plate to form an outer arc surface.

Through adopting above-mentioned technical scheme, when the eccentric shaft rotated and made the roof move in vertical direction, the roof was close to behind the both sides formation cambered surface of eccentric shaft and sieve, had reduced the stress concentration point of roof relatively to prolonged the life of roof relatively, the result of use is better relatively.

To sum up, the utility model discloses a following at least one useful technological effect:

1. the vibrating mechanism consisting of the eccentric shaft and the top plate is arranged on the bottom side of the sieve plate, so that the sieve plate vibrates up and down, the filtering is accelerated, the filtering effect is relatively better, relatively less waste materials enter the crushing box through the feeding pipe, the vertical spiral lifting mechanism and the discharging pipe to be crushed for the second time, and the crushing efficiency is relatively improved;

2. the guide plate is arranged to guide the waste materials falling from the crushing plate to the high end of the sieve plate, so that the path of the waste materials rolling on the obliquely arranged sieve plate is relatively longest, the filtering efficiency is relatively improved, the waste materials which need to enter the crushing box through the vertical spiral lifting mechanism for secondary crushing are relatively reduced, and the crushing efficiency is relatively improved; furthermore, the sieve plate is arranged in a wavy shape to relatively prolong the filtering path, so that the crushing effect is relatively better;

3. through the arrangement of the second sliding mechanism consisting of the sliding plate and other members, the top plate is relatively fixed while the top plate smoothly moves in the vertical direction, so that the long-term use effect of the top plate is relatively better.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic longitudinal sectional structure of the present invention, which mainly shows the internal structure of the crushing box.

Fig. 3 is an enlarged schematic view of a portion a in fig. 2.

Fig. 4 is a schematic view of a partial structure of the present invention, which mainly shows the vibration mechanism.

Reference numerals: 1. a support; 11. a feed hopper; 2. a crushing box; 21. a first sliding chute; 22. a second chute; 3. a housing; 31. a screw rod; 311. a helical blade; 32. a first motor; 33. a feed pipe; 34. a discharge pipe; 4. a crushing roller; 41. a second motor; 42. a breaker plate; 43. crushing teeth; 5. a sieve plate; 51. a first sliding plate; 511. a rotating shaft; 52. a side rail; 6. an eccentric shaft; 61. a third motor; 62. a top plate; 621. a buffer layer; 63. a second sliding plate; 7. a guide plate; 71. and (3) fine pores.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1, a waste crushing device comprises a support 1 and a crushing box 2 fixed on the support 1, wherein the crushing box 2 is provided with a cavity and an upper opening and a lower opening, the lower opening of the crushing box 2 is in an inverted cone shape, and the upper opening is communicated with a feed hopper 11.

Referring to fig. 2, a vertical spiral lifting mechanism is arranged on one side of a crushing box 2, the vertical spiral lifting mechanism comprises a shell 3, the shell 3 is rectangular and is vertically arranged, the shell 3 is fixed on the crushing box 2, a first motor 32 is fixed on one side, close to the ground, of the shell 3, an output shaft of the first motor 32 penetrates through an inner cavity of the shell 3 and is fixed with a spiral rod 31, the spiral rod 31 is rotatably connected with the inner wall of the shell 3 along the length direction of the shell 3, a spiral blade 311 is fixed on the spiral rod, and the rotating direction of one end, close to a feed hopper 11, of the spiral blade 311 faces the; the one end intercommunication that casing 3 is close to ground has inlet pipe 33, and inlet pipe 33 intercommunication crushing case 2 inner chamber, and the one end intercommunication that casing 3 kept away from ground has discharging pipe 34, and the one end intercommunication feeder hopper 11 that casing 3 was kept away from to discharging pipe 34.

A crushing mechanism and a screening mechanism are distributed in the crushing box 2 from top to bottom, the crushing mechanism comprises a crushing roller 4 and a crushing plate 42 which are horizontally arranged, and two ends of the crushing roller 4 are rotatably connected to the inner wall of the crushing box 2; a second motor 41 is fixed on the outer wall of the crushing box 2, and an output shaft of the second motor 41 is coaxially fixed at one end of the crushing roller 4; the crushing plate 42 sets up to two, and two crushing plates 42 all set up in the radial side of crushing roller 4 and are fixed in crushing case 2 inner wall, and two crushing plates 42 are close to the one end downward sloping formation V form on ground in opposite directions and set up with the cooperation of crushing roller 4, and two crushing plates 42 are close to one side of crushing roller 4 and the equal shaping in the radial side of crushing roller 4 have a plurality of broken teeth 43. The screening mechanism comprises a screen plate 5, the screen plate 5 inclines downwards towards the feeding pipe 33, the lower end of the screen plate 5 is communicated with the feeding pipe 33, and the high end of the screen plate 5 is connected with the inner wall of the crushing box 2.

When the waste is crushed, the second motor 41 is started to drive the crushing roller 4 to rotate, the waste to be crushed is poured into the crushing box 2 from the feed hopper 11 to be crushed, the crushed waste is filtered through sieve holes on the sieve plate 5, qualified waste falls down and falls out from a lower opening of the crushing box 2 to be treated, and unqualified waste rolls to the feed pipe 33 from the inclined sieve plate 5; meanwhile, the first motor 32 is started to drive the screw rod 31 to rotate, waste materials rolling to the feeding pipe 33 enter the shell 3 and are lifted by the helical blades 311, enter the feeding hopper 11 through the discharging pipe 34 and are crushed again until the waste materials are qualified, so that the workload of manually screening unqualified waste materials and crushing again is reduced, and the crushing efficiency is relatively improved; the spiral blade 311 is close to turning towards the feeder hopper 11 of the one end of feeder hopper 11 for helical blade 311 can be relatively more smooth after promoting unqualified waste material enter into feeder hopper 11 in, make crushing efficiency higher relatively, the result of use is better relatively.

Referring to fig. 2 and 3, the inner wall of the crushing box 2 is provided with a first sliding chute 21 and a second sliding chute 22, and both the first sliding chute 21 and the second sliding chute 22 open towards the sieve plate 5.

Referring to fig. 4, the screen plate 5 is provided with a side rail 52 near one end side of the crushing roller 4. When the waste material falls from the crushing plate 42 onto the screen deck, the arrangement of the edge rail 52 relatively prevents large-sized waste material from falling directly from the side of the screen deck 5, resulting in a relatively reduced crushing efficiency of the waste material, i.e. the edge rail 52 guides more waste material into the feed pipe 33, thereby making the crushing efficiency relatively higher.

The side surface of the sieve plate 5 close to the crushing roller 4 is wavy. When the waste material that falls on sieve 5 rolls on sieve 5, the sieve mesh whereabouts of sieve 5 is passed through to the waste material of small particle diameter, and the waste material of large particle diameter rolls to inlet pipe 33, because the roll of sieve 5 is wavy, so can guarantee that the waste material rolls when falling in inlet pipe 33, prolong the roll route of waste material on sieve 5 relatively, thereby the filter effect is better relatively, and simultaneously, the waste material that is still less relatively gets into crushing case 2 through vertical spiral hoist mechanism and carries out the secondary crushing, thereby make crushing efficiency higher relatively.

Referring to fig. 2 and 4, one side of the sieve plate 5, which is close to the ground, is provided with a vibrating mechanism, the vibrating mechanism comprises two parallel eccentric shafts 6, the two eccentric shafts 6 are respectively arranged at the high end and the low end of the sieve plate 5, the eccentric shaft 6 at the high end of the sieve plate 5 is higher than the eccentric shaft 6 at the low end of the sieve plate 5, two ends of a shaft rod of the eccentric shaft 6 are rotatably connected to the wall of the crushing box 2, one end of the shaft rod is connected with a motor three 61, the motor three 61 is fixed on the outer wall of the crushing box 2, the output shaft of the motor is coaxially fixed on the shaft rod of the eccentric shaft 6, the eccentric shaft 6 is parallel to the sieve plate 5 and is provided with a top plate 62 between the.

When the crushing work is carried out, the motor III 61 is started, the two eccentric shafts 6 are driven to rotate, so that the sieve plate 5 is jacked by the top plate 62 which moves up and down, the filtering efficiency is relatively higher, relatively less waste materials with large particle size roll into the feeding pipe 33, and the crushing efficiency is relatively improved; meanwhile, the screen plate 5 which vibrates up and down can reduce the probability of depositing the waste on the plate surface, and the waste with large particle size can enter the feeding pipe 33 too fast, so that the using effect is relatively better.

Since the eccentric shaft 6 at the high end of the screening deck 5 is higher than the eccentric shaft 6 at the low end of the screening deck 5, the screening deck 5 always slopes downwards towards the feed pipe 33, thus ensuring that waste material can roll into the feed pipe 33 relatively quickly.

The second sliding mechanism comprises a second sliding plate 63, the second sliding plate 63 is in a T shape, and the second sliding plate 63 is fixed on the top plate 62 and is slidably connected in the second sliding chute 22. The top plate 62 is relatively fixed on the crushing box 2 through the second sliding plate 63, so that the using effect of the top plate 62 is good for a long time; the second sliding plate 63 is slidably connected in the second sliding groove 22 formed in the crushing box 2, so that the top plate 62 can be ensured to move up and down all the time, and the up-and-down moving effect is better.

The top plate 62 forms an outer arc surface near both end sides of the eccentric shaft 6 and the screen plate 5, respectively. In the process of making the top plate 62 move up and down through the rotation of the eccentric shaft 6, the two ends of the top plate 62, which are respectively contacted with the eccentric shaft 6 and the sieve plate 5, form arc surfaces, so that the phenomenon of damage caused by stress concentration of the top plate 62 is prevented, and the service life of the top plate 62 is relatively prolonged.

A buffer layer 621 is bonded to one end side of the top plate 62 near the screen panel 5. The buffer layer 621 can be made of rubber; when the top plate 62 moves up and down and pushes against the screen plate 5, the buffer layer 621 arranged between the top plate 62 and the screen plate 5 has a damping effect to prevent the possibility of damage when the top plate 62 pushes against the screen plate 5, so that the using effect is relatively better.

Referring to fig. 3 and 4, a first sliding mechanism is arranged at the high end of the screen plate 5, the first sliding mechanism comprises a first sliding plate 51 rotatably connected to the high end of the screen plate 5, a rotating shaft 511 is rotatably connected to the high end side of the screen plate 5, the first sliding plate 51 is fixed to two ends of the rotating shaft 511, and the first sliding plate 51 is in a T shape and is slidably connected to the first sliding groove 21. Slide 51 and axis of rotation 511 form fixed action to guarantee that sieve 5 remains stable in long-term use, when the long-term preferred of filter effect, with sieve 5 relatively fixed in broken case 2, when preventing relatively that sieve 5 from being pushed up by roof 62, the too big amplitude of vibration of sieve 5 leads to the not good phenomenon of waste material filter effect.

The lower end of the sieve plate 5 is V-shaped and the lower end is lapped in the feeding pipe 33. When the top plate 62 pushes the sieve plate 5, the lower end of the sieve plate 5 is always connected to the feeding pipe 33, so that the feeding effect of the feeding pipe 33 is better, and the probability that the waste material falls to the lower opening of the crushing box 2 from the lower end of the sieve plate 5 is relatively reduced, thereby ensuring the long-term better using effect.

Referring to fig. 2, a guide mechanism is arranged between the screen plate 5 and the crushing roller 4, the guide mechanism comprises a guide plate 7 for guiding the waste material, the guide plate 7 is obliquely arranged and fixed on the inner wall of the crushing box 2, the high end of the guide plate 7 is close to the crushing plate 42, and the low end of the guide plate 7 is inclined towards the high end of the screen plate 5. When the waste material is crushed, the waste material falling from between the two crushing plates 42 forming the V shape falls onto the guide plate 7, is guided by the guide plate 7 to enter the high end of the sieve plate 5, and is then sieved on the sieve plate 5, namely the waste material is prevented from directly falling from the low end of the sieve plate 5 to the lower opening of the crushing box 2 through the guiding action of the guide plate 7; furthermore, all the waste material is rolled from the high end to the low end of the screen plate 5 by the guidance of the guide plate 7, the filtering path is the longest, so that the filtering effect is relatively better, and relatively less waste material enters the feed pipe 33 and is crushed again, so that the crushing effect is relatively better.

In the vertical direction, the lower end of the guide plate 7 forms a distance with the upper end of the sieve plate 5 to prevent the guide plate 7 from colliding with the vibrating sieve plate 5; in addition, the lower end of the guide plate 7 is spaced from the high end of the screen plate 5, so that the waste at the high end of the screen plate 5 can be ensured to roll off smoothly.

The guide plate 7 has a plurality of pores 71. When the waste material crushed by the crushing roller 4 falls onto the guide plate 7, a part of the waste material having a small particle diameter directly falls onto the screen plate 5 from the fine holes 71 and falls from the screen holes of the screen plate 5, thereby accelerating the filtration, so that the crushing efficiency is relatively improved.

The implementation principle of the embodiment is as follows: firstly, turning on a second motor 41 to drive the crushing roller 4 to rotate; then, the waste to be crushed is poured into the crushing box 2 from the feed hopper 11 for crushing; meanwhile, the third motor 61 is turned on to drive the two eccentric shafts 6 to rotate, so that the sieve plate 5 is jacked by the top plate 62 which moves up and down; meanwhile, the first motor 32 is turned on, the screw rod 31 is driven to rotate, the waste materials rolled into the shell 3 are lifted, and the waste materials enter the feed hopper 11.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims (9)

1. The waste crushing device comprises a support (1) and a crushing box (2) arranged on the support (1), wherein the crushing box (2) is of an upper opening structure and a lower opening structure, a vertical spiral lifting mechanism is arranged on one side of the crushing box (2), the vertical spiral lifting mechanism comprises a vertically arranged shell (3), a spiral rod (31) arranged in the shell (3), a spiral blade (311) fixed on the spiral rod (31) and a motor I (32) coaxially connected to the spiral rod (31), the shell (3) is communicated with a feeding pipe (33) and a discharging pipe (34), the feeding pipe (33) and the discharging pipe (34) are respectively communicated with an inner cavity of the crushing box (2) and an upper opening of the crushing box (2), a crushing mechanism and a screening mechanism are distributed in the crushing box (2) from top to bottom, the crushing mechanism comprises a crushing roller (4) and a crushing plate (42), crushing roller (4) coaxial coupling has motor two (41), screening mechanism includes sieve (5), sieve (5) are towards inlet pipe (33) downward sloping and its low end intercommunication inlet pipe (33), its characterized in that: the high end of the sieve plate (5) is provided with a sliding mechanism I, one side of the sieve plate (5) close to the ground is provided with a vibration mechanism, the vibrating mechanism comprises two parallel eccentric shafts (6), the two eccentric shafts (6) are respectively arranged at the high end and the low end of the sieve plate (5), the eccentric shaft (6) positioned at the high end of the sieve plate (5) is higher than the eccentric shaft (6) positioned at the low end of the sieve plate (5), two ends of a shaft lever of the eccentric shaft (6) are rotatably connected to the wall of the crushing box (2), one end of the shaft lever is connected with a third motor (61), the eccentric shaft (6) is parallel to the sieve plate (5) and a top plate (62) is arranged between the eccentric shaft and the sieve plate (5), the top plate (62) is vertically arranged, two ends of the top plate are respectively abutted against the eccentric shaft (6) and the sieve plate (5), and a second sliding mechanism is arranged on one side of the top plate (62) close to the wall of the crushing box (2).

2. The waste crushing device of claim 1, wherein: slide mechanism one is including rotating the high-end slide (51) of connection in sieve (5), spout one (21) have been seted up to broken case (2) inner wall, spout one (21) are towards sieve (5) opening, slide one (51) sliding connection is in spout one (21).

3. The waste crushing device of claim 1, wherein: the sliding mechanism II comprises a sliding plate II (63), the sliding plate II (63) is T-shaped, a sliding groove II (22) is formed in the inner wall of the crushing box (2), the sliding groove II (22) opens towards the sieve plate (5), and the sliding plate II (63) is fixed on the top plate (62) and is connected in the sliding groove II (22) in a sliding mode.

4. The waste crushing device of claim 1, wherein: and a side rail (52) is arranged at the side of one end of the sieve plate (5) close to the crushing roller (4).

5. The waste crushing device of claim 4, wherein: the lower end of the sieve plate (5) is V-shaped and is lapped in the feeding pipe (33).

6. The waste crushing apparatus of claim 5 wherein: the side surface of the sieve plate (5) departing from the top plate (62) is wavy.

7. The waste crushing device of claim 6, wherein: a guide mechanism is arranged between the sieve plate (5) and the crushing roller (4), the guide mechanism comprises a guide plate (7) used for guiding waste materials, the guide plate (7) is obliquely arranged and fixed on the inner wall of the crushing box (2), the high end of the guide plate (7) is close to the crushing plate (42), and the low end of the guide plate (7) is inclined towards the high end of the sieve plate (5).

8. The waste crushing apparatus of claim 7 wherein: in the vertical direction, the lower end of the guide plate (7) and the upper end of the sieve plate (5) form a space.

9. The waste crushing device of claim 1, wherein: the top plate (62) is respectively close to the two end sides of the eccentric shaft (6) and the sieve plate (5) to form an outer arc surface.

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