Screening mechanism for harmless treatment of garbage
By designing a construction waste screening mechanism with U-shaped screening plate and rotary motor drive, the problems of poor screening effect and low efficiency in the prior art are solved, and automated efficient screening and classification are realized, reducing the The need for manual cleaning.
Patent Information
- Application Number
- CN202420793722.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-16
- Publication Date
- 2024-12-13
- Estimated Expiration
- 2034-04-16
AI Technical Summary
The existing construction waste screening machines have fixed structures, single functions, poor screening effect and low efficiency. They require manual cleaning after screening, which is time-consuming and labor-intensive, and the cleaning effect is not good.
A screening mechanism including a screening box, a U-shaped screening plate, a rotating plate, a rotating electric machine, a bevel gear, a movable rod, a rotating cam and a telescopic spring are designed, and the rotating electric machine drives the bevel gear and a movable rod to drive the rotating cam. , the U-shaped screening plate is abutted and reset on the rotating plate, realizes automatic screening, and sorts and discharges garbage through multiple sets of L-shaped discharge racks and discharge ports.
It achieves efficient garbage screening effect, simple and stable structure, reduces the time and labor of manual cleaning, and improves screening efficiency and effect.
Smart Images
Figure CN222152840U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field related to harmless treatment of garbage, and in particular to a screening mechanism for harmless treatment of garbage. Background Art
[0002] Construction waste refers to construction waste generated in the project due to human or natural reasons, including waste soil, abandoned soil, silt and abandoned materials. These materials are of no help to the building itself, but they are substances generated in the construction process and need to be treated accordingly so as to achieve the ideal project construction.
[0003] In the existing on-site treatment and screening technology of construction waste, construction waste is mainly screened into three categories: one is light material waste, generally referring to wood blocks, plastic cloth and other relatively light materials; the second is small granular materials, generally referring to materials such as slag that can fall from the mesh of the screen plate; the third is large block heavy objects, generally referring to larger and heavier materials other than the above two types of waste materials, such as larger materials, brick slag materials, etc.; At present, the screening machine used for screening construction waste has a fixed structure, a single function, a poor screening effect, and a low screening efficiency. Moreover, the garbage on the screen after screening needs to be manually cleaned and removed, which is time-consuming and labor-intensive, and the cleaning effect is poor. In this regard, the utility model provides a screening mechanism for harmless treatment of garbage. Utility Model Content
[0004] The purpose of the present application is to provide a screening mechanism for harmless treatment of garbage to solve the problems raised in the above-mentioned background technology.
[0005] To achieve the above-mentioned purpose, the present application provides the following technical solutions: a screening mechanism for harmless treatment of garbage, comprising a screening box, a U-shaped screening plate and a fixed frame arranged at the center of one side of the screening box, a plurality of discharge ports being evenly opened on one side of the screening box, rotating plates being fixedly installed on both sides of the discharge ports in the screening box by bolts, the U-shaped screening plates being movably connected between the rotating plates in the screening box by a rotating shaft, the fixed frame being fixedly installed at the center of one side of the screening box away from the discharge ports by bolts, a rotating motor being fixedly installed at the center of the inner top end of the fixed frame by bolts, a rotating rod being fixedly installed at the output end of the rotating motor, a plurality of first bevel gears being fixedly installed on the rotating rod in the fixed frame by bolts, One side of the first bevel gear is meshedly connected with the second bevel gear, and a movable rod is fixedly installed at the center of one side of the second bevel gear by bolts, and the top end of the movable rod extends through the screening box, and the top end of the movable rod is located in the screening box and is fixedly installed with a rotating cam by bolts, and a telescopic spring is fixedly installed at the bottom of the end of the U-shaped screening plate away from the rotating plate by bolts, and the other end of the telescopic spring is fixedly installed on the inner wall of the screening box by bolts, and a fixed block is fixedly installed at the center of the bottom of one end of the U-shaped screening plate by bolts, and an arc-shaped movable groove that coincides with the position of the rotating cam is opened at the center of the bottom end of the fixed block, and the rotating cam moves against the arc-shaped movable groove, and limit blocks are arranged on both sides of the top of the U-shaped screening plate in the screening box.
[0006] Preferably, support feet are fixedly installed around the bottom of the screening box body by bolts, and a hopper is connected to the top center of the screening box body by bolts.
[0007] Preferably, a first L-shaped discharge rack is fixedly installed by bolts outside the discharge port at the top of the screening box, a second L-shaped discharge rack is fixedly installed by bolts outside the discharge port at the middle end of the screening box, and a third L-shaped discharge rack is fixedly installed by bolts outside the discharge port at the bottom end of the screening box.
[0008] Preferably, a discharge port is provided at the center of the inner bottom end of the screening box.
[0009] Preferably, a bearing is fixedly installed at the center of the bottom end of the fixing frame by bolts, and the bottom end of the rotating rod is fixedly installed at the movable center of the bearing by bolts, and the movable rods are movable and penetrate the bearings on both sides of the fixing frame.
[0010] Preferably, a first screening mesh is opened on the U-shaped screening plate on one side of the first L-shaped discharging rack, a second screening mesh is opened on the U-shaped screening plate on one side of the second L-shaped discharging rack, and a third screening mesh is opened on the U-shaped screening plate on one side of the third discharging rack.
[0011] Preferably, the diameter of the first screening mesh is the largest, the diameter of the second screening mesh is the second largest, and the diameter of the third screening mesh is the smallest, and the U-shaped screening plates are all movable on one side of the bottom of the hopper.
[0012] In summary, the technical effects and advantages of the utility model are:
[0013] 1. In the utility model, a rotating motor drives the first bevel gear of a rotating rod on a bearing to rotate, the meshing of the first bevel gear drives the second bevel gear to rotate, the rotation of the second bevel gear drives the rotating cam on the movable rod to rotate stably, the rotating cam will flexibly abut the arc movable groove of the fixed block under the U-shaped screening plate, so that the rotating cam abuts against one side of the U-shaped screening plate on the rotating plate, after the abutment is completed, the U-shaped screening plate on the rotating plate is driven to reset by the telescopic spring, and the garbage in the hopper is screened by the U-shaped screening plate, the screening effect is good, and the structure is simple and stable.
[0014] 2. In the utility model, the garbage on the U-shaped screening plate is screened by U-shaped screening plates with different apertures, and the screening effect is good. The screened garbage is discharged through multiple groups of L-shaped discharging racks, and the last discharged garbage is discharged through the discharge port. Multiple groups of U-shaped screening plates are driven to move back and forth by a single rotating motor. The design is reasonable and ingenious, and the practical performance is strong. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For those skilled in the art, other drawings can be obtained based on these drawings without paying any creative work.
[0016] Figure 1 A schematic three-dimensional diagram of the overall structure of a screening mechanism for harmless treatment of garbage in an embodiment of the present application;
[0017] Figure 2 A schematic three-dimensional diagram of the internal structure of a screening mechanism for harmless treatment of garbage in an embodiment of the present application;
[0018] Figure 3 A schematic diagram of a U-shaped screening plate structure of a screening mechanism for harmless treatment of garbage in an embodiment of the present application Figure 1 ;
[0019] Figure 4 It is a schematic side view of the internal structure of a fixed frame of a screening mechanism for harmless treatment of garbage in an embodiment of the present application;
[0020] Figure 5 A schematic diagram of a U-shaped screening plate structure of a screening mechanism for harmless treatment of garbage in an embodiment of the present application Figure 2 .
[0021] In the figure: 1. screening box; 11. supporting feet; 12. feeding hopper; 13. first discharging rack; 14. second discharging rack; 15. third discharging rack; 16. discharging port; 2. U-shaped screening plate; 21. rotating plate; 22. telescopic spring; 23. fixed block; 24. arc-shaped movable groove; 25. first screening mesh; 26. second screening mesh; 27. third screening mesh; 28. limiting block; 3. fixed frame; 31. rotating motor; 32. rotating rod; 33. first bevel gear; 34. second bevel gear; 35. movable groove; 36. rotating cam; 37. bearing. DETAILED DESCRIPTION
[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0023] Example: Reference Figure 1-5The screening mechanism for harmless treatment of garbage shown in the figure comprises a screening box 1, a U-shaped screening plate 2 and a fixed frame 3 arranged at the center of one side of the screening box 1. A plurality of discharge ports are evenly opened on one side of the screening box 1 to realize screening of multiple groups of garbage with different particle sizes. Rotating plates 21 are fixedly installed on both sides of the discharge port in the screening box 1 by bolts. U-shaped screening plates 2 are movably connected between the rotating plates 21 in the screening box 1 through a rotating shaft, so that the U-shaped screening plates can rotate. A rotating motor 31 is fixedly installed at the center of the inner top end of the fixed frame 3 by bolts. A rotating rod 32 is fixedly installed at the output end of the rotating motor 31. A plurality of first bevel gears 33 are fixedly installed on the rotating rod 32 in the fixed frame 3 by bolts, driving the first bevel gear to rotate. A second bevel gear 34 is meshingly connected to one side of the first bevel gear 33 in the fixed frame 3. A movable rod 35 is fixedly installed at the center of one side of the second bevel gear 34 by bolts, so that the movable rod can rotate stably. The top of the movable rod 35 The top of the movable rod 35 is located in the screening box 1 and is fixed with a rotating cam 36 by bolts. The U-shaped screening plate 2 is fixed with a telescopic spring 22 by bolts at the bottom of one end away from the rotating plate 21. The other end of the telescopic spring 22 is fixed on the inner wall of the screening box 1 by bolts. A fixed block 23 is fixed with bolts at the center of the bottom of one end of the U-shaped screening plate 2. The center of the bottom end of the fixed block 23 is provided with an arc-shaped portion that matches the position of the rotating cam 36. The movable groove 24, and the rotating cam 36 movably abuts against the arc-shaped movable groove 24, the rotating cam will movably abut against the arc-shaped movable groove of the fixed block under the U-shaped screening plate, so that the rotating cam abuts against one side of the U-shaped screening plate on the rotating plate. After the abutment is completed, the U-shaped screening plate on the rotating plate is driven to reset by the telescopic spring, and the garbage in the hopper is screened by the U-shaped screening plate. Limiting blocks 28 are set on both sides of the top of the U-shaped screening plate 2 in the screening box 1 to movably support the U-shaped screening plate.
[0024] Among them, support feet 11 are fixedly installed around the bottom of the screening box 1 by bolts, and a hopper 12 is connected to the top center of the screening box 1 by bolts to facilitate the entry of garbage.
[0025] Among them, a first L-shaped discharge rack 13 is fixedly installed outside the top discharge port of the screening box 1 by bolts, a second L-shaped discharge rack 14 is fixedly installed outside the middle discharge port of the screening box 1 by bolts, and a third L-shaped discharge rack 15 is fixedly installed outside the bottom discharge port of the screening box 1 by bolts, so that garbage of different particle sizes can be collected uniformly after screening.
[0026] A discharge port 16 is provided at the center of the inner bottom of the screening box 1, and garbage with the smallest particle size is discharged.
[0027] Among them, a bearing 37 is fixedly installed at the center of the bottom end of the fixed frame 3 by bolts, and the bottom end of the rotating rod 32 is fixedly installed at the center movable part of the bearing by bolts. The movable rods 35 are movable and penetrate the bearings 37 on both sides of the fixed frame 3, and the rotation is stable.
[0028] Among them, a first screening mesh 25 is opened on the U-shaped screening plate 2 on one side of the first L-shaped discharging rack 13, a second screening mesh 26 is opened on the U-shaped screening plate 2 on one side of the second L-shaped discharging rack 14, and a third screening mesh 27 is opened on the U-shaped screening plate 2 on one side of the third discharging rack, so as to achieve screening of different particle sizes.
[0029] Among them, the diameter of the first screening mesh 25 is the largest, the diameter of the second screening mesh 26 is the second, and the diameter of the third screening mesh 27 is the smallest. The U-shaped screening plates 2 are all movable on the bottom side of the feed hopper 12, with good screening effect, achieving a step-by-step reduction in particle size.
[0030] The practical working principle of the utility model is: the first bevel gear of the rotating rod on the bearing is driven to rotate by a rotating motor, the meshing of the first bevel gear drives the second bevel gear to rotate, the rotation of the second bevel gear drives the rotating cam on the movable rod to rotate stably, the rotating cam will flexibly offset the arc-shaped movable groove of the fixed block under the U-shaped screening plate, so that the rotating cam will offset one side of the U-shaped screening plate on the rotating plate, after the offset is completed, the U-shaped screening plate on the rotating plate is driven to reset through the telescopic spring, and the garbage in the hopper is screened by the U-shaped screening plate, the screening effect is good, and the structure is simple and stable.
[0031] The garbage on the U-shaped screening plate is screened by U-shaped screening plates with different apertures, and the screening effect is good. The screened garbage is discharged through multiple groups of L-shaped discharging racks, and then the last discharged garbage is discharged through the discharge port. Multiple groups of U-shaped screening plates are driven to move back and forth by a single rotating motor. The design is reasonable and ingenious, and the practical performance is strong.
[0032] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.
Claims
1. A screening mechanism for harmless treatment of garbage, comprising a screening box (1), a U-shaped screening plate (2) and a fixing frame (3) arranged at the center of one side of the screening box (1), characterized in that: A plurality of discharge ports are evenly arranged on one side of the screening box (1); rotating plates (21) are fixedly installed in the screening box (1) on both sides of the discharge ports by means of bolts; the U-shaped screening plates (2) are movably connected between the rotating plates (21) in the screening box (1) by means of a rotating shaft; the fixing frame (3) is fixedly installed in the center of a side of the screening box (1) away from the discharge port by means of bolts; a rotating motor (31) is fixedly installed in the center of the top inner end of the fixing frame (3) by means of bolts; a rotating rod (32) is fixedly installed at the output end of the rotating motor (31); a plurality of first bevel gears (33) are fixedly installed in the fixing frame (3) by means of bolts on the rotating rod (32); a second bevel gear (34) is meshingly connected to one side of the first bevel gear (33) in the fixing frame (3); a second bevel gear (34) is fixedly installed in the center of one side of the second bevel gear (34) by means of bolts; A movable rod (35) is provided, the top end of the movable rod (35) extends through the screening box (1), the top end of the movable rod (35) is located in the screening box (1) and is fixedly provided with a rotating cam (36) by bolts, a telescopic spring (22) is fixedly provided at the bottom of one end of the U-shaped screening plate (2) away from the rotating plate (21) by bolts, the other end of the telescopic spring (22) is fixedly provided on the inner wall of the screening box (1) by bolts, a fixed block (23) is fixedly provided at the center of the bottom of one end of the U-shaped screening plate (2) by bolts, an arc-shaped movable groove (24) which coincides with the position of the rotating cam (36) is provided at the center of the bottom end of the fixed block (23), and the rotating cam (36) is movable against the arc-shaped movable groove (24), and limit blocks (28) are provided on both sides of the top of the U-shaped screening plate (2) in the screening box (1).
2. A screening mechanism for harmless treatment of garbage according to claim 1, characterized in that: Support feet (11) are fixedly installed around the bottom of the screening box (1) by means of bolts, and a hopper (12) is connected to the center of the top of the screening box (1) by means of bolts.
3. A screening mechanism for harmless treatment of garbage according to claim 1, characterized in that: A first L-shaped discharge rack (13) is fixedly mounted on the outside of the discharge port at the top of the screening box (1) by means of bolts, a second L-shaped discharge rack (14) is fixedly mounted on the outside of the discharge port at the middle end of the screening box (1) by means of bolts, and a third L-shaped discharge rack (15) is fixedly mounted on the outside of the discharge port at the bottom end of the screening box (1) by means of bolts.
4. A screening mechanism for harmless treatment of garbage according to claim 1, characterized in that: A discharge port (16) is provided at the center of the inner bottom end of the screening box (1).
5. The screening mechanism for harmless treatment of garbage according to claim 1, characterized in that: A bearing (37) is fixedly mounted at the center of the bottom end of the fixing frame (3) by means of bolts, and the bottom end of the rotating rod (32) is fixedly mounted at the movable center of the bearing by means of bolts, and the movable rods (35) are movable and penetrate the bearings (37) on both sides of the fixing frame (3).
6. A screening mechanism for harmless treatment of garbage according to claim 3, characterized in that: A first screening mesh (25) is provided on the U-shaped screening plate (2) on one side of the first L-shaped discharging rack (13), a second screening mesh (26) is provided on the U-shaped screening plate (2) on one side of the second L-shaped discharging rack (14), and a third screening mesh (27) is provided on the U-shaped screening plate (2) on one side of the third discharging rack.
7. A screening mechanism for harmless treatment of garbage according to claim 6, characterized in that: The diameter of the first screening mesh (25) is the largest, the diameter of the second screening mesh (26) is the second largest, and the diameter of the third screening mesh (27) is the smallest, and the U-shaped screening plates (2) are all movable on one side of the bottom of the feed hopper (12).