CN110523631B

CN110523631B - Screening machine is smashed to building rubbish

Info

Publication number: CN110523631B
Application number: CN201910810039.2A
Authority: CN
Inventors: 李刚; 陈熙
Original assignee: Wenzhou Jinmao Construction Co ltd
Current assignee: Wenzhou Jinmao Construction Co ltd
Priority date: 2019-08-29
Filing date: 2019-08-29
Publication date: 2020-09-29
Anticipated expiration: 2039-08-29
Also published as: CN110523631A

Abstract

The invention relates to a construction waste crushing and screening machine which comprises a rack, a rolling screening device and a vibrating screening device, wherein the rolling screening device comprises a roller, a vibrating screening device and a vibrating screening device; the rolling screening device comprises a rotating shaft, a rolling screen drum arranged on the rotating shaft and a rotating motor for driving the rotating shaft to rotate; the rolling screen drum comprises two rotating rings and a plurality of rotating strips which are uniformly arranged on the fixed ring along the circumferential direction; the vibration screening device comprises a vibration screen cylinder and a linear vibrator, wherein the vibration screen cylinder is arranged on the outer side of the rolling screen cylinder, and the linear vibrator drives the vibration screen cylinder to vibrate along the axial direction; the vibrating screen cylinder comprises two sliding rings, a vibrating ring and a connecting rod, wherein the vibrating ring is uniformly arranged between the two sliding rings along the axial direction; the vibration ring forms movable mesh with rotating between the strip each other crisscross, and arbitrary activity mesh still can be along with the vibration effect of a shale shaker section of thick bamboo along circumferential direction along with a rotary screen section of thick bamboo, along the quick reciprocating motion of axial emergence to can vibrate rubbish crushed aggregates and avoid its card in the activity mesh, play and prevent blockking up the effect.

Description

Screening machine is smashed to building rubbish

Technical Field

The invention relates to the technical field of construction waste treatment equipment, in particular to a construction waste crushing and screening machine.

Background

The construction waste refers to residue, waste soil, waste material, sludge and other wastes generated in the process of constructing, laying or dismantling and repairing various buildings, structures, pipe networks and the like by construction and construction units or individuals. The treatment of the construction waste comprises two types, namely landfill or centralized stacking, and screening, classifying and recycling after crushing.

The screening machine comprises a vibration screening machine and a roller screening machine, the vibration screening machine realizes the vibration of the plane screen through a vibrator, and the garbage is classified and screened through the plane screen arranged in multiple layers; and the drum screening machine screens the garbage passing through the cylindrical screen by rotating the cylindrical screen.

Compared with the common linear vibration screening machine and the common circular vibration screening machine, the 360-degree rotary large-area screen surface of the roller screening machine has the advantage that the screening efficiency is far higher than that of common vibration screening equipment, but the screen is very easy to block, and the blocking phenomenon cannot be reduced by continuous vibration like the vibration screening machine. Can set up the brush and clear up the mesh from the screen cloth outside in the frame of cylinder sieve separator among the prior art, but the brush only can clear up less plug, and is not good to bulky, the big plug clearance effect of quality, therefore the mesh of cylinder sieve separator sets up lessly usually, leads to it can sieve the granularity less, and common mostly is individual layer or bilayer.

Disclosure of Invention

The invention aims to provide a building garbage crushing and screening machine which has the advantage of large screening area of a roller screening machine and has an anti-blocking effect.

The technical purpose of the invention is realized by the following technical scheme:

a construction waste crushing and screening machine comprises a rack, wherein a rolling screening device and a vibrating screening device are arranged on the rack; the rolling screening device comprises a rotating shaft rotationally connected to the rack, a rolling screen drum fixedly connected to the rotating shaft along the axial lead, and a rotating motor driving the rotating shaft to rotate; the rolling screen drum comprises two rotating rings and a plurality of rotating strips which extend along the axial direction and are uniformly arranged on the rotating rings along the circumferential direction; the vibration screening device comprises a vibration screen cylinder and a linear vibrator, wherein the vibration screen cylinder is arranged on the outer side of the rolling screen cylinder along the same axial lead, and the linear vibrator drives the vibration screen cylinder to vibrate along the axial direction; the vibrating screen cylinder comprises two sliding rings, vibrating rings evenly arranged between the two sliding rings along the axial direction, and connecting rods for connecting the two sliding rings and all the vibrating rings; the inner wall of the vibration ring is closely attached to the outer wall of the rotating strip; the vibration rings and the rotating strips are mutually staggered to form movable meshes.

By adopting the technical scheme, the garbage crushed aggregates are screened by utilizing the movable mesh holes formed by the rotation strips and the vibration rings in a mutually staggered manner, and any movable mesh hole can rapidly reciprocate along the axial direction along with the vibration effect of the vibration screen cylinder while rotating along the circumferential direction of the rolling screen cylinder, so that the garbage crushed aggregates can be vibrated to avoid being clamped in the movable mesh holes; the vibrating screen drum does not rotate along with the rotating shaft, so that the rotating strips and the vibrating rings which form the movable meshes can move relatively, the garbage crushed aggregates cannot be clamped between the adjacent rotating strips and the vibrating rings at the same time, and are independently clamped between the adjacent rotating strips or the vibrating rings and pushed by the relative movement of the other rotating strip or the vibrating rings, and the clamped garbage crushed aggregates are ejected out of the movable meshes, so that the anti-blocking effect is achieved; the rotating strips are protruded towards the inner side relative to the vibrating ring, and can push and drive garbage crushed aggregates in the rolling screen cylinder to spread along the circumferential direction while rotating along with the rotating shaft, so that the screening area is increased; meanwhile, the garbage crushed aggregates can be driven to roll, and the screening effect is enhanced.

The invention is further configured to: the rack is provided with a slide rail along the axial direction of the rotating shaft, and the outer side of the sliding ring is fixedly connected with a slide block matched with the slide rail.

Through adopting above-mentioned technical scheme, utilize slide rail and slider cooperation, the guidance quality of reinforcing a shale shaker section of thick bamboo makes a shale shaker section of thick bamboo only can carry out the linear type vibration along the axial of pivot, reduces collision and wearing and tearing between a shale shaker section of thick bamboo and the rotary screen section of thick bamboo.

The invention is further configured to: the linear vibrator is fixedly connected to the frame and connected to one end part of the vibrating screen cylinder; the vibrating screen is characterized in that a push plate is arranged at one end, away from the linear vibrator, of the vibrating screen cylinder, and a buffer spring is arranged between one end, away from the linear vibrator, of the push plate and the rack.

Through adopting above-mentioned technical scheme, utilize buffer spring to cushion to provide certain thrust against, reduce the burden that linear vibrator drove a shale shaker section of thick bamboo.

The invention is further configured to: and a flywheel is arranged at one end of the rotating shaft, and an output shaft of the rotating motor is connected with the flywheel through a belt transmission assembly.

By adopting the technical scheme, the rotating motor is utilized to drive the flywheel to rotate, and then the rotating shaft and the rolling screen cylinder are driven to rotate, so that certain energy is stored by utilizing the rotational inertia of the flywheel, when the rotating screen cylinder is blocked by garbage crushed aggregates, the kinetic energy of the flywheel is reduced, the energy is released to overcome resistance, and the speed fluctuation of the rotating screen cylinder is reduced.

The invention is further configured to: the upper end of the vibrating screen cylinder is provided with a notch which penetrates through the two ends along the axial direction; the upper end of the rack is rotatably connected with an anti-blocking roller extending along the axial direction at the notch, and a plurality of dredging strips extending along the axial direction are uniformly arranged on the surface of the anti-blocking roller along the circumferential direction; the dredging strips can be rotationally clamped into the gap between every two adjacent rotating strips, so that the anti-blocking roller and the rolling screen drum form a meshing relationship.

Through adopting above-mentioned technical scheme, prevent that stifled roller and a roll screen section of thick bamboo from taking place relative rotation under the engaged state of mediation strip and rotation strip, and the clearance strip gets into the clearance between two adjacent rotation strips at the rotation in-process, can inwards ejecting the rubbish crushed aggregates of card between the rotation strip, avoid the rubbish crushed aggregates just to block between two rotation strips, and do not receive the influence of vibrating ring, further strengthen the effect of preventing blockking up.

The invention is further configured to: the outer side of the vibrating screen cylinder on the rack is rotatably connected with a rolling outer cylinder along the axis; the surface of the rolling outer cylinder is provided with fixed meshes with the area smaller than that of the movable meshes.

Through adopting above-mentioned technical scheme, utilize the outer tube that rolls to carry out the second grade screening, utilize fixed mesh to further sieve out littleer crushed aggregates with the rubbish crushed aggregates that a roll sieve section of thick bamboo and a shale shaker section of thick bamboo were sieved.

The invention is further configured to: a circle of internal teeth are arranged on the inner wall of one end of the rolling outer cylinder along the circumferential direction; one end of the anti-blocking roller close to the inner teeth is fixedly connected with a linkage gear meshed with the inner teeth.

Through adopting above-mentioned technical scheme, utilize a roll sieve section of thick bamboo to drive and prevent stifled roller and rotate to the linkage gear that prevents on the stifled roller is driven and is rotated, thereby utilizes the linkage gear to drive intermeshing's roll urceolus and rotate, need not to set up the driving source in addition again.

The invention is further configured to: and a protective layer made of high-density polyethylene and/or polytetrafluoroethylene is arranged on the outer wall of the rotating strip.

By adopting the technical scheme, the high-density polyethylene has excellent wear resistance, and can prolong the service life when used as a wear-resistant layer; the polytetrafluoroethylene has an extremely low friction coefficient and can reduce the abrasion between the rotating strip and the vibrating ring when used as a lubricating layer; and the wear-resistant layer and the lubricating layer can be detached and replaced.

In conclusion, the beneficial effects of the invention are as follows:

1. the movable mesh holes formed by the rotation strips and the vibration rings in a staggered mode are used for screening the garbage crushed aggregates, any movable mesh hole can rotate along the circumferential direction along with the rolling screen cylinder and can also rapidly reciprocate along with the vibration effect of the vibration screen cylinder along the axial direction, and therefore the garbage crushed aggregates can be vibrated to be prevented from being clamped in the movable mesh holes; the vibrating screen drum does not rotate along with the rotating shaft, so that the rotating strips and the vibrating rings which form the movable meshes can move relatively, the garbage crushed aggregates cannot be clamped between the adjacent rotating strips and the vibrating rings at the same time, and are independently clamped between the adjacent rotating strips or the vibrating rings and pushed by the relative movement of the other rotating strip or the vibrating rings, and the clamped garbage crushed aggregates are ejected out of the movable meshes, so that the anti-blocking effect is achieved; the rotating strips are protruded towards the inner side relative to the vibrating ring, and can push and drive garbage crushed aggregates in the rolling screen cylinder to spread along the circumferential direction while rotating along with the rotating shaft, so that the screening area is increased; meanwhile, the garbage crushed aggregates can be driven to roll, so that the screening effect is enhanced;

2. prevent stifled roller and a roll screen section of thick bamboo and take place relative rotation under the meshing state of mediation strip and rotation strip, and the clearance strip gets into the clearance between two adjacent rotation strips at the rotation in-process, can be ejecting inwards the rubbish crushed aggregates of card between the rotation strip, avoids the rubbish crushed aggregates just to block between two rotation strips, and does not receive the influence of vibrating ring, further strengthens preventing the effect of blockking up.

Drawings

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

FIG. 2 is an exploded view of the rolling and vibratory screening apparatus of the present invention;

FIG. 3 is an enlarged schematic view at A in FIG. 1 for showing the movable mesh;

FIG. 4 is an enlarged view of the portion B of FIG. 2, illustrating the connecting structure of the buffer spring, the push plate and the vibrating screen cylinder;

FIG. 5 is a schematic structural diagram of the rolling outer cylinder, the anti-blocking roller and the frame of the invention;

fig. 6 is a schematic structural diagram of the protective layer of the present invention.

Reference numerals: 1. a frame; 11. a slide rail; 12. anti-blocking rollers; 121. dredging strips; 122. a linkage gear; 13. an auxiliary wheel; 2. a rolling screening device; 21. a rotating shaft; 211. fixing the rod; 22. rolling the screen cylinder; 221. a rotating ring; 222. rotating the strip; 2221. a protective layer; 23. rotating the motor; 24. a flywheel; 3. a vibratory screening device; 31. a vibrating screen cylinder; 311. a slip ring; 3111. a slider; 312. a vibrating ring; 313. a connecting rod; 314. pushing the plate; 315. a buffer spring; 316. a notch; 32. a linear vibrator; a. a movable mesh; 4. rolling the outer cylinder; 41. fixing meshes; 42. internal teeth; 43. an auxiliary groove.

Detailed Description

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

The embodiment discloses a construction waste crushing and screening machine, as shown in fig. 1, which comprises a frame 1, wherein a rolling screening device 2 and a vibrating screening device 3 are arranged on the frame 1.

As shown in fig. 1 and 2, the rolling screening device 2 includes a rotating shaft 21, a rolling screen drum 22, and a rotating motor 23. Wherein, the rotating shaft 21 extends downwards in an inclined way and is connected to the frame 1 in a rotating way; the rolling screen cylinder 22 is a cylinder with two ends penetrating through, and comprises two rotating rings 221 and a plurality of rotating strips 222 which extend along the axial direction and are uniformly welded on the rotating rings 221 at the two ends along the circumferential direction; the rolling screen cylinder 22 is arranged outside the rotating shaft 21 along the axial lead of the rotating shaft 21, and the rolling screen cylinder 22 and the rotating shaft 21 are connected to the rotating strip 222 through a plurality of fixing rods 211 extending along the radial direction of the rotating shaft 21 to realize fixation; the lower end of the rotating shaft 21 extends to the outside of the rolling screen cylinder 22 and is fixedly connected with a flywheel 24 at the end part, the rotating motor 23 is arranged on the frame 1, and the motor shaft of the rotating motor is connected with the flywheel 24 through a belt transmission component. The flywheel 24 is driven by the rotating motor 23 to rotate, and then the rotating shaft 21 and the rolling screen drum 22 are driven to rotate, so that certain energy is stored by the rotational inertia of the flywheel 24, when the rotating screen drum is blocked, the kinetic energy of the flywheel 24 is reduced, the energy is released to overcome resistance, and the speed fluctuation of the rotating screen drum is reduced.

As shown in fig. 2 and 3, the vibratory screening apparatus 3 includes a vibratory screen drum 31 disposed outside the rotary screen drum 22 along the same axial line, and a linear vibrator 32 for driving the vibratory screen drum 31 to vibrate in the axial direction; the vibrating screen cylinder 31 comprises two sliding rings 311, vibrating rings 312 uniformly arranged between the two sliding rings 311 along the axial direction, and connecting rods 313 for connecting the two sliding rings 311 and all the vibrating rings 312; the inner wall of the vibration ring 312 is closely attached to the outer wall of the rotating bar 222; the vibrating rings 312 and the rotating strips 222 are staggered with each other to form movable meshes a.

The garbage crushed aggregates are screened by utilizing the movable meshes a formed by the mutual staggering of the rotating strips 222 and the vibrating rings 312, and any movable mesh a can rapidly reciprocate along the axial direction along with the vibrating effect of the vibrating screen drum 31 while rotating along the circumferential direction of the rolling screen drum 22, so that the garbage crushed aggregates can be vibrated to avoid being clamped in the movable meshes a; and the vibrating screen drum 31 does not rotate along with the rotating shaft 21, the rotating strips 222 and the vibrating rings 312 which form the movable meshes a can move relatively, so that the garbage crushed aggregates can not be clamped between the adjacent rotating strips 222 and the vibrating rings 312 at the same time, and can be clamped between the adjacent rotating strips 222 or the vibrating rings 312 independently, and can be pushed out from the movable meshes a under the pushing action generated by the relative movement of the other party, thereby having the anti-blocking effect; the rotating strip 222 protrudes inwards relative to the vibrating ring 312, and can push and drive the garbage crushed aggregates in the rolling screen cylinder 22 to spread out along the circumferential direction while rotating along with the rotating shaft 21, so that the screening area is increased; meanwhile, the garbage crushed aggregates can be driven to roll, and the screening effect is enhanced.

As shown in fig. 4 and 5, a slide rail 11 is provided on the frame 1 along the axial direction of the rotating shaft 21, and a slider 3111 engaged with the slide rail 11 is fixedly connected to the outside of the slide ring 311. The slide rail 11 is matched with the slide block 3111 to enhance the guidance of the vibrating screen cylinder 31, so that the vibrating screen cylinder 31 can only vibrate linearly along the axial direction of the rotating shaft 21, and the collision and abrasion between the vibrating screen cylinder 31 and the rolling screen cylinder 22 are reduced. A protective layer 2221 (see fig. 6) made of high density polyethylene and/or polytetrafluoroethylene is provided on the outer wall of the rotating bar 222, the high density polyethylene has excellent wear resistance, and the high density polyethylene can improve the service life as a wear-resistant layer; the teflon has an extremely low friction coefficient, and can reduce the abrasion between the rotating strip 222 and the vibrating ring 312 as a lubricating layer; and the protective layer can be removed for replacement.

As shown in fig. 2 and 4, two linear vibrators 32 are installed, and are symmetrically fixed on the frame 1 on two sides of the vibrating screen drum 31, and the vibrating end of the linear vibrator 32 is connected to the end of the vibrating screen drum 31 far away from the discharge port; a push plate 314 is arranged at one end of the vibrating screen drum 31 far away from the linear vibrator 32, a buffer spring 315 is arranged between one end of the push plate 314 far away from the linear vibrator 32 and the rack 1, the buffer spring 315 is used for buffering, a certain reverse thrust is provided, and the burden of the linear vibrator 32 for driving the vibrating screen drum 31 is reduced.

As shown in fig. 1 and 2, the upper end of the vibrating screen cylinder 31 is provided with a notch 316 axially penetrating through the two ends; the upper end of the frame 1 is rotatably connected with an anti-blocking roller 12 extending along the axial direction at a notch 316, and a plurality of dredging strips 121 extending along the axial direction are uniformly arranged on the surface of the anti-blocking roller 12 along the circumferential direction; the dredging strips 121 can be rotatably clamped into the gaps between two adjacent rotating strips 222, so that the anti-blocking roller 12 and the roller screen cylinder 22 form a meshing relationship. Prevent stifled roller 12 and a rotary screen section of thick bamboo 22 and take place relative rotation under the engaged state of mediation strip 121 and rotation strip 222, and mediation strip 121 gets into the clearance between two adjacent rotation strips 222 at the rotation in-process, can be ejecting towards the inside rubbish crushed aggregates of card between rotation strip 222, avoid rubbish crushed aggregates just to block between two rotation strips 222, and do not receive the influence of vibration ring 312, further strengthen preventing the effect of blockking up.

As shown in fig. 2 and 5, the frame 1 is rotatably connected with a rolling outer cylinder 4 along the axial line outside the vibrating screen cylinder 31, and the surface of the rolling outer cylinder 4 is provided with a large number of fixed meshes 41 with an area smaller than that of the movable mesh a. The rolling outer cylinder 4 is used for secondary screening, and the garbage crushed aggregates screened by the rolling screen cylinder 22 and the vibrating screen cylinder 31 are further screened out smaller crushed aggregates by the fixed mesh 41. A circle of auxiliary grooves 43 are arranged on the outer sides of the two ends of the rolling outer cylinder 4 along the circumferential direction, a plurality of auxiliary wheels 13 are hinged below the two ends of the rolling outer cylinder 4 on the machine frame 1, and the auxiliary wheels 13 are embedded into the auxiliary grooves 43 and can rotate relatively along the auxiliary grooves 43.

As shown in fig. 2 and 5, a circle of internal teeth 42 is welded on the inner wall of one end of the rolling outer cylinder 4 along the circumferential direction, and one end of the anti-blocking roller 12 close to the internal teeth 42 is fixedly connected with a linkage gear 122 meshed with the internal teeth 42, so that the rolling screen cylinder 22 rotates to drive the anti-blocking roller 12 to rotate and drive the linkage gear 122 on the anti-blocking roller 12 to rotate, and the linkage gear 122 drives the mutually meshed rolling outer cylinder 4 to rotate without additionally arranging a driving source. The rolling outer cylinders 4 can be provided with multiple layers for multi-stage screening, and two adjacent rolling outer cylinders 4 are respectively meshed with the outer wall and the inner wall of the rolling outer cylinders through gears hinged on the rack 1 for linkage.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.

Claims

1. The utility model provides a screening machine is smashed to construction waste, includes frame (1), its characterized in that: the rolling screening device (2) and the vibration screening device (3) are arranged on the rack (1); the rolling screening device (2) comprises a rotating shaft (21) rotationally connected to the rack (1), a rolling screen drum (22) fixedly connected to the rotating shaft (21) along the axial lead, and a rotating motor (23) for driving the rotating shaft (21) to rotate; the rolling screen drum (22) comprises two rotating rings (221) and a plurality of rotating strips (222) which extend along the axial direction and are uniformly arranged on the rotating rings (221) along the circumferential direction; the vibration screening device (3) comprises a vibration screen cylinder (31) arranged on the outer side of the rolling screen cylinder (22) along the same axial lead and a linear vibrator (32) for driving the vibration screen cylinder (31) to vibrate along the axial direction; the vibrating screen cylinder (31) comprises two sliding rings (311), vibrating rings (312) which are uniformly arranged between the two sliding rings (311) along the axial direction, and connecting rods (313) which connect the two sliding rings (311) with all the vibrating rings (312); the inner wall of the vibration ring (312) is closely attached to the outer wall of the rotating strip (222); the vibrating rings (312) and the rotating strips (222) are mutually staggered to form movable meshes (a).

2. The construction waste crushing and screening machine according to claim 1, characterized in that: the sliding mechanism is characterized in that a sliding rail (11) is arranged on the rack (1) along the axial direction of the rotating shaft (21), and a sliding block (3111) matched with the sliding rail (11) is fixedly connected to the outer side of the sliding ring (311).

3. The construction waste crushing and screening machine according to claim 1, characterized in that: the linear vibrator (32) is fixedly connected to the rack (1) and connected to one end part of the vibrating screen drum (31); one end, far away from the linear vibrator (32), of the vibrating screen drum (31) is provided with a push plate (314), and a buffer spring (315) is arranged between one end, far away from the linear vibrator (32), of the push plate (314) and the rack (1).

4. The construction waste crushing and screening machine according to claim 1, characterized in that: one end of the rotating shaft (21) is provided with a flywheel (24), and an output shaft of the rotating motor (23) is connected with the flywheel (24) through a belt transmission assembly.

5. The construction waste crushing and screening machine according to claim 1, characterized in that: the upper end of the vibrating screen cylinder (31) is provided with a notch (316) which penetrates through the two ends along the axial direction; the upper end of the rack (1) is rotatably connected with an anti-blocking roller (12) extending along the axial direction at a notch (316), and a plurality of dredging strips (121) extending along the axial direction are uniformly arranged on the surface of the anti-blocking roller (12) along the circumferential direction; the dredging strips (121) can be rotatably clamped into a gap between two adjacent rotating strips (222), so that the anti-blocking roller (12) and the roller screen drum (22) form a meshing relationship.

6. The construction waste crushing and screening machine according to claim 5, characterized in that: the outer side of the vibrating screen cylinder (31) on the rack (1) is rotatably connected with a rolling outer cylinder (4) along the axis; the surface of the rolling outer cylinder (4) is provided with fixed meshes (41) with the area smaller than that of the movable meshes (a).

7. The construction waste crushing and screening machine according to claim 6, characterized in that: a circle of internal teeth (42) are arranged on the inner wall of one end of the rolling outer cylinder (4) along the circumferential direction; one end of the anti-blocking roller (12) close to the inner teeth (42) is fixedly connected with a linkage gear (122) meshed with the inner teeth (42).

8. The construction waste crushing and screening machine according to claim 1, characterized in that: and a protective layer (2221) made of high-density polyethylene and/or polytetrafluoroethylene is arranged on the outer wall of the rotating strip (222).