Screening device for solid waste crushed materials

Abstract

The utility model discloses a screening device for crushed solid waste materials. A supporting mechanism comprises two U-shaped vertical frames which are symmetrically arranged, and the two U-shaped vertical frames are fixedly connected through two transverse rods which are symmetrically arranged to form a supporting frame; the screening mechanism comprises a screening frame rotationally arranged between the two U-shaped vertical frames, and a plurality of screening holes are evenly formed in the wall face of the screening frame and used for screening the crushed materials. The driving mechanism is arranged on one transverse rod, connected with the top face of one side of the screening frame and used for driving the screening frame to rotate in an arc-shaped reciprocating mode. The sweeping mechanism is arranged between the two U-shaped vertical frames, located on the outer side of the screening frame and used for sweeping the screening holes, and blocking is avoided. The containing mechanism is arranged under the screening mechanism and used for containing and screening the fallen materials. According to the screening device for the crushed solid waste materials, the brush cleans the screening holes while the screening frame rotates regularly, and the screening efficiency is improved synchronously.

Description

Technical Field

[0001] The utility model relates to the technical field of screening equipment, in particular to a screening device for solid waste crushed materials. Background Art

[0002] Solid waste treatment, whose full name is the treatment of solid waste, usually refers to the process of converting solid waste into a material suitable for transportation, storage, utilization or disposal by physical, chemical, biological, physicochemical and biochemical methods. The goal of solid waste treatment is to make it harmless, reduce its volume and recycle it into resources. Traditional solid waste treatment devices crush solid waste and then screen it. However, general screening devices have a number of screening holes on the screening frame, and the screening frame is generally set in a fixed form. After a period of screening, the screening holes are prone to blockage, resulting in reduced screening efficiency. Utility Model Content

[0003] In view of the above-mentioned defects or deficiencies in the prior art, it is desired to provide a screening device for crushed solid waste materials.

[0004] The utility model provides a screening device for solid waste crushed materials, comprising a supporting mechanism, a screening mechanism, a driving mechanism, a cleaning mechanism and a receiving mechanism; wherein:

[0005] The support mechanism comprises two symmetrically arranged U-shaped frames, and the two U-shaped frames are fixedly connected by two symmetrically arranged cross bars to form a support frame;

[0006] The screening mechanism comprises a screening frame rotatably arranged between the two U-shaped frames, and a plurality of screening holes are evenly arranged on the wall surface of the screening frame for screening the crushed materials;

[0007] The driving mechanism is arranged on one of the cross bars and connected to the top surface of one side of the screening frame, and is used to drive the screening frame to perform arc-shaped reciprocating rotational motion;

[0008] The cleaning mechanism is arranged between the two U-shaped frames and outside the screening frame, and is used to clean the screening holes to avoid blockage;

[0009] The receiving mechanism is arranged directly below the screening mechanism and is used for receiving the materials dropped by the screening.

[0010] Preferably, mounting blocks are fixedly provided on both sides of the top surface of the screening frame, and the mounting blocks are rotatably connected to the U-shaped stand on the corresponding side via a rotating shaft.

[0011] Preferably, the driving mechanism includes an L-shaped support plate fixedly arranged on the top surface of the cross bar, and an electric hydraulic rod is arranged on the bottom surface of the top plate of the L-shaped support plate; one end of the electric hydraulic rod is hingedly connected to the top plate of the L-shaped support plate, and the other end is hingedly connected to one side of the top surface of the screening frame, so as to realize the rotatable movement of the screening frame.

[0012] Preferably, the cleaning mechanism includes a fixed block fixed on the bottom surface of the U-shaped frame corresponding to the rotating shaft, a plurality of U-shaped frames are fixed between two of the fixed blocks, and the plurality of U-shaped frames are evenly spaced and sleeved on the outside of the screening frame; a brush facing the screening frame is fixed on a side surface of the U-shaped frame close to the screening frame for cleaning the screening holes.

[0013] Preferably, the receiving mechanism comprises a drawer bracket, a drawer is slidably provided inside the drawer bracket; a bucket-shaped guide cover for guiding the screened and dropped materials is fixedly provided on the top of the drawer bracket.

[0014] Preferably, the side surface and the bottom surface of the screening frame are arranged as continuous arc-shaped surfaces, and the rotation range of the screening frame is 15-20°.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] The screening device for crushed solid waste materials of the utility model drives the rotatable screening frame to reciprocate through a driving mechanism, so that the screening frame rotates with an amplitude of 15-20° around a rotating shaft as an origin, thereby improving the screening efficiency. In addition, a cleaning mechanism is also provided, in which a brush is provided on a U-shaped frame, and the end of the brush abuts against the outer wall of the screening frame. When the screening frame rotates, the brush automatically cleans the screening holes on the screening frame, thereby avoiding the problem of low screening efficiency caused by clogging of the screening holes.

[0017] It should be understood that the contents described in the summary of the utility model are not intended to limit the key or important features of the embodiments of the utility model, nor are they intended to limit the scope of the utility model.

[0018] Other features of the present invention will become readily understood through the following description. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Other features, objects and advantages of the present invention will become more apparent by reading the detailed description of non-limiting embodiments made with reference to the following drawings:

[0020] Figure 1 A schematic structural diagram of a screening device for solid waste crushing materials provided by an embodiment of the utility model;

[0021] Figure 2 It is a schematic diagram of the structure after the support frame, the screening frame and the cleaning mechanism are assembled from a top view;

[0022] Numbers in the figure: 1. U-shaped stand; 2. Cross bar; 3. Screening frame; 4. Screening hole; 5. Mounting block; 6. Rotating shaft; 7. L-shaped support plate; 8. Electric hydraulic rod; 9. Fixed block; 10. U-shaped frame; 11. Brush; 12. Drawer bracket; 13. Drawer; 14. Guide cover. DETAILED DESCRIPTION

[0023] The utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It is understood that the specific embodiments described herein are only used to explain the relevant utility model, rather than to limit the utility model. It is also necessary to explain that, for the convenience of description, only the parts related to the utility model are shown in the accompanying drawings.

[0024] It should be noted that, in the absence of conflict, the embodiments and features of the embodiments of the present invention can be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0025] Please refer to Figures 1-2 The embodiment of the utility model provides a screening device for solid waste crushed materials, including a supporting mechanism, a screening mechanism, a driving mechanism, a cleaning mechanism and a receiving mechanism; wherein,

[0026] The support mechanism includes two symmetrically arranged U-shaped frames 1, the two U-shaped frames 1 are fixedly connected by two symmetrically arranged cross bars 2 to form a support frame, and the support frame supports and fixes the screening mechanism, the driving mechanism, and the cleaning mechanism;

[0027] The screening mechanism comprises a screening frame 3 rotatably arranged between two U-shaped frames 1, and a plurality of screening holes 4 are evenly arranged on the wall surface of the screening frame 3 for screening the crushed materials;

[0028] Among them, mounting blocks 5 are fixedly provided on both sides of the top surface of the screening frame 3 along its length direction. The mounting block 5 is rotatably connected to the U-shaped frame 1 on the corresponding side through a rotating shaft 6, thereby realizing the rotatable movement of the screening frame 3 and improving the efficiency of screening materials.

[0029] In a preferred embodiment, the side and bottom surfaces of the screening frame 3 are set as continuous arc surfaces, and the rotation range of the screening frame 3 is 15-20° to avoid excessive rotation range, which may cause the material inside the screening frame 3 to fall.

[0030] A driving mechanism is provided on a crossbar 2 and connected to the top surface of one side of the screening frame 3, and is used to drive the screening frame 3 to perform arc-shaped reciprocating rotational motion;

[0031] In a preferred embodiment, the driving mechanism includes an L-shaped support plate 7 fixedly arranged on the top surface of a cross bar 2, and an electric hydraulic rod 8 is arranged on the bottom surface of the top plate of the L-shaped support plate 7; one end of the electric hydraulic rod 8 is hingedly connected to the top plate of the L-shaped support plate 7, and the other end is hingedly connected to one side of the top surface of the screening frame 3, so as to realize the rotatable movement of the screening frame 3.

[0032] A plurality of L-shaped support plates 7 can be arranged in parallel as required, so that a plurality of electric hydraulic rods 8 can be arranged in parallel, so as to drive the screening frame 3 to rotate more steadily and smoothly.

[0033] A cleaning mechanism is arranged between the two U-shaped frames 1 and outside the screening frame 3, and is used to clean the screening holes 4 to avoid blockage;

[0034] In a preferred embodiment, the cleaning mechanism includes a fixed block 9 fixed on the bottom surface of the U-shaped stand 1 corresponding to the rotating shaft 6, and a plurality of U-shaped frames 10 are fixed between the two fixed blocks 9. The U-shaped frames 10 are spaced a certain distance from the screening frame 3 for installing a brush 11; the plurality of U-shaped frames 10 are evenly spaced and arranged in an arc shape on the outside of the screening frame 3; a brush facing the screening frame 3 is fixed on one side of the U-shaped frame 10 close to the screening frame 3 for cleaning the screening hole 4.

[0035] Among them, a section of the end of the brush 11 abuts against the outer wall of the screening frame 3, so that when the screening frame 3 rotates, the end of the brush 11 can penetrate into the inside of the screening hole 4 for cleaning to avoid clogging.

[0036] The receiving mechanism is arranged directly below the screening mechanism and is used to receive the materials dropped by the screening.

[0037] In a preferred embodiment, the receiving mechanism includes a drawer bracket 12, and a drawer 13 is slidably arranged inside the drawer bracket 12; a bucket-shaped guide cover 14 for guiding the screened and dropped materials is fixedly arranged on the top of the drawer bracket 12.

[0038] Among them, the drawer bracket 12 cooperates with the drawer 13, and baffles are installed on both sides and the back of the drawer bracket 12. The bottom of the guide cover 14 corresponds to the drawer and is set to be closed, so that the screened materials are all directed to the interior of the drawer 13. The setting of the drawer 13 facilitates the subsequent transportation of materials.

[0039] The working principle of this utility model:

[0040] The screening frame 3 is driven by the electric hydraulic rod 8 to perform regular rotational motion. The brush 11 arranged on the outside of the screening frame 3 cleans the screening holes 4 on the screening frame 3 during the rotation of the screening frame 3 to avoid clogging of the screening holes 4 and improve the screening efficiency.

[0041] In the description of this specification, the terms "connection", "installation", "fixation" and the like should be understood in a broad sense. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; it can be a direct connection or an indirect connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0042] In the description of this specification, the description of the terms "one embodiment", "some embodiments", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present application. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0043] The above are only preferred embodiments of the present application and are not intended to limit the present application. For those skilled in the art, the present application may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A screening device for crushed solid waste materials, characterized in that: It includes a supporting mechanism, a screening mechanism, a driving mechanism, a cleaning mechanism and a receiving mechanism; among which, The support mechanism comprises two symmetrically arranged U-shaped frames, and the two U-shaped frames are fixedly connected by two symmetrically arranged cross bars to form a support frame; The screening mechanism comprises a screening frame rotatably arranged between the two U-shaped frames, and a plurality of screening holes are evenly arranged on the wall surface of the screening frame for screening the crushed materials; The driving mechanism is arranged on one of the cross bars and connected to the top surface of one side of the screening frame, and is used to drive the screening frame to perform arc-shaped reciprocating rotational motion; The cleaning mechanism is arranged between the two U-shaped frames and outside the screening frame, and is used to clean the screening holes to avoid blockage; The receiving mechanism is arranged directly below the screening mechanism and is used for receiving the materials dropped after screening.

2. The solid waste crushing material screening device according to claim 1, characterized in that: Mounting blocks are fixedly arranged on both sides of the top surface of the screening frame, and the mounting blocks are rotatably connected to the U-shaped stand on the corresponding side via a rotating shaft.

3. The solid waste crushing material screening device according to claim 2, characterized in that: The driving mechanism includes an L-shaped support plate fixedly arranged on the top surface of the cross bar, and an electric hydraulic rod is arranged on the bottom surface of the top plate of the L-shaped support plate; one end of the electric hydraulic rod is hingedly connected to the top plate of the L-shaped support plate, and the other end is hingedly connected to one side of the top surface of the screening frame, so as to realize the rotatable movement of the screening frame.

4. The solid waste crushing material screening device according to claim 3, characterized in that: The cleaning mechanism includes a fixed block fixed on the bottom surface of the U-shaped frame corresponding to the rotating shaft, a plurality of U-shaped frames are fixed between two of the fixed blocks, and the plurality of U-shaped frames are evenly spaced and sleeved on the outside of the screening frame; a brush facing the screening frame is fixed on a side surface of the U-shaped frame close to the screening frame for cleaning the screening holes.

5. The solid waste crushing material screening device according to claim 4, characterized in that: The receiving mechanism comprises a drawer bracket, and a drawer is slidably arranged inside the drawer bracket; a bucket-shaped guide cover for guiding the screened and dropped materials is fixedly arranged on the top of the drawer bracket.

6. The solid waste crushing material screening device according to claim 1, characterized in that: The side surface and the bottom surface of the screening frame are arranged as continuous arc-shaped surfaces, and the rotation range of the screening frame is 15-20°.

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