CN220862017U

CN220862017U - High-efficient categorised sand screening machine

Info

Publication number: CN220862017U
Application number: CN202322632903.9U
Authority: CN
Inventors: 陶亮
Original assignee: Ma'anshan Product Quality Supervision And Inspection Institute
Current assignee: Ma'anshan Product Quality Supervision And Inspection Institute
Priority date: 2023-09-26
Filing date: 2023-09-26
Publication date: 2024-04-30
Anticipated expiration: 2033-09-26

Abstract

The utility model relates to the technical field of classified sand screening, and discloses a high-efficiency classified sand screening machine. This high-efficient categorised sand screening machine, which comprises a bracket, the top of support rotates and is connected with the unloading frame, be provided with screening mechanism on the inboard lateral wall of support, screening mechanism includes two sets of vibrating frame, be provided with vibrating motor on the outside lateral wall of support, it has the filter screen to peg graft on the inner wall of vibrating frame, peg graft on the inner wall of vibrating frame has the gag lever post, sliding connection has the stopper on the inner wall of gag lever post, the stopper is the arc setting, the inboard lateral wall of stopper passes through reset spring elastic connection on the inner wall of gag lever post, the spacing groove has been seted up on the inboard lateral wall of vibrating frame outer end, fixedly connected with shifting block on the outer wall of stopper. According to the utility model, when the vibration frame is separated from the filter screen, the filter screen can be detached and cleaned more conveniently by releasing the limit of the limit rod, so that the cleaning efficiency is improved.

Description

High-efficient categorised sand screening machine

Technical Field

The utility model relates to the technical field of classified sand screening, in particular to a high-efficiency classified sand screening machine.

Background

Civil engineering covers land development, architectural design, structural engineering, road and bridge construction, water resource management, environmental protection, and the like. It is the discipline of research and application engineering principles and techniques to design, build and maintain various engineering projects required for infrastructure and human activities.

In the construction of civil engineering, it is often necessary to screen sand necessary for the construction by means of a screening machine, which separates sand particles and granules from the original mixture according to different dimensions by means of mechanical vibrations and movement of screens, in order to meet specific demands and requirements.

On the one hand, after long-term operation, the existing sand screening machine can accumulate some tiny impurities in sand, and can adhere to a filter screen, so that the filter screen is blocked, and the vibrating screen is required to be matched with a vibrating motor, so that the vibrating screen is inconvenient to detach, the classifying effect of equipment can be affected, the workload of maintenance and cleaning is increased, on the other hand, sand is usually selected to be poured into a funnel-shaped blanking frame for discharging when the sand is screened, and the position of the existing blanking frame is fixed, so that certain accumulation is easy to occur under the sand during blanking, and the efficiency of screening sand is affected.

Disclosure of utility model

(One) solving the technical problems

Aiming at the defects of the prior art, the utility model provides a high-efficiency classifying sand screening machine, which solves the problem that a filter screen in the prior art is inconvenient to detach.

(II) technical scheme

In order to achieve the above purpose, the utility model is realized by the following technical scheme: the high-efficiency classifying sand screening machine comprises a support, wherein the top end of the support is rotatably connected with a blanking frame, and a screening mechanism is arranged on the inner side wall of the support;

The screening mechanism comprises two groups of vibrating frames, a vibrating motor is arranged on the outer side wall of the support, a filter screen is inserted on the inner wall of the vibrating frame, a limiting rod is inserted on the inner wall of the vibrating frame, a limiting block is connected to the inner wall of the limiting rod in a sliding mode, the limiting block is arranged in an arc shape, the inner side wall of the limiting block is elastically connected to the inner wall of the limiting rod through a reset spring, a limiting groove is formed in the inner side wall of the outer end of the vibrating frame, and a shifting block is fixedly connected to the outer wall of the limiting block.

Preferably, the servo motor is fixedly connected to the outer side wall of the support, the cam is fixedly connected to the output shaft of the servo motor, the central shaft at the center of the cam is rotationally connected to the inner side wall of the support, the L-shaped fixing frame is fixedly connected to the outer wall of the bottom end of the blanking frame, the outward extending part of the L-shaped fixing frame and the cam are located on the same plane, and the L-shaped fixing frame is provided with two groups and symmetrically arranged by taking the central line of the blanking frame as a symmetrical axis.

Preferably, a transmission belt is arranged on the inner side wall of the bracket.

Preferably, the vibration frame is movably connected to the inner side wall of the bracket, the vibration frame is in a U-shaped arrangement, and a groove is formed in the inner wall of the vibration frame.

Preferably, the limiting rod seals the opening of the vibration frame.

Preferably, the inner side wall of the limiting block is fixedly connected with one end of a reset spring, and the other end of the reset spring is fixedly connected to the inner wall of the limiting rod.

Preferably, the outer end of the limiting block is clamped on the inner wall of the limiting groove.

Preferably, the shifting block extends to the outside of the limiting rod, and the shifting block penetrates through and is connected to the inner wall of the limiting rod in a sliding manner.

(III) beneficial effects

The utility model provides a high-efficiency classifying sand screening machine. The beneficial effects are as follows:

(1) When the efficient classifying screen sand machine is used, the screening mechanism is arranged, so that the efficient classifying screen sand machine can detach and clean the filter screen more conveniently by releasing the limit of the limit rod when the vibrating frame and the filter screen are separated, and the cleaning efficiency is improved.

(2) When the efficient classifying sand screening machine is used, the cam and the L-shaped fixing frame are arranged, so that the device can drive the blanking frame to swing to a certain extent through the rotation of the cam, the discharge hole at the bottom is in a moving state, and the influence on screening efficiency caused by sand accumulation at the bottom can be avoided.

Drawings

FIG. 1 is a schematic view of the overall three-dimensional structure of the present utility model;

FIG. 2 is a schematic diagram showing a split three-dimensional structure of a screening mechanism according to the present utility model;

fig. 3 is a schematic cross-sectional perspective view of the stop lever of the present utility model.

In the figure: 1. a bracket; 2. a transmission belt; 3. a screening mechanism; 4. a blanking frame; 5. a cam; 6. a servo motor; 7. an L-shaped fixing frame; 31. a vibration frame; 32. a filter screen; 33. a limit rod; 34. a return spring; 35. a shifting block; 36. a limiting block; 37. and a limit groove.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, the utility model provides a high-efficiency classifying sand screening machine, which comprises a bracket 1, wherein the top end of the bracket 1 is rotatably connected with a blanking frame 4, the inner side wall of the bracket 1 is provided with a conveying belt 2, the conveying belt 2 conveys falling fine sand to the left, and the inner side wall of the bracket 1 is provided with a screening mechanism 3;

The screening mechanism 3 comprises two groups of vibrating frames 31, vibrating motors are arranged on the outer side walls of the brackets 1, the vibrating frames 31 can be driven to vibrate through the vibrating motors to improve the screening efficiency of sand, the vibrating frames 31 are movably connected to the inner side walls of the brackets 1, the vibrating frames 31 are U-shaped, grooves are formed in the inner walls of the vibrating frames 31, filter screens 32 are inserted into the inner walls of the vibrating frames 31, the filter screens 32 are net-shaped, sand can be filtered, larger stones are screened out, limiting rods 33 are inserted into the inner walls of the vibrating frames 31, openings of the vibrating frames 31 are closed through the limiting rods 33, the filter screens 32 are limited, limiting blocks 36 are connected to the inner walls of the limiting rods 33 in a sliding mode, the limiting blocks 36 are arc-shaped, the limiting blocks 36 can move inwards through extruding the arc surfaces of the limiting blocks 36, and when the sand is installed on the vibrating frames 31, the inner side wall of the limiting block 36 can be directly pressed, one end of the reset spring 34 is fixedly connected, the other end of the reset spring 34 is fixedly connected on the inner wall of the limiting rod 33, the limiting block 36 can be limited and reset through the elasticity of the reset spring 34, a limiting groove 37 is formed in the inner side wall of the outer end of the vibrating frame 31, the outer end of the limiting block 36 is clamped on the inner wall of the limiting groove 37, the limiting block 36 is always clamped with the limiting groove 37 under the condition of being not influenced by external force through the elasticity of the reset spring 34, a shifting block 35 is fixedly connected on the outer wall of the limiting block 36, the shifting block 35 extends to the outside of the limiting rod 33, the shifting block 35 penetrates through and is slidably connected on the inner wall of the limiting rod 33, the limiting block 36 can be driven to move more conveniently through moving the shifting block 35, and the limiting block 36 can be separated from the limiting groove 37, the limiting rod 33 is taken down, so that the filter screen 32 is detached independently, and the cleaning effect is convenient.

The outer side wall of the support 1 is fixedly connected with a servo motor 6, an output shaft of the servo motor 6 is fixedly connected with a cam 5, a central shaft at the center of the cam 5 is rotationally connected to the inner side wall of the support 1, the cam 5 is driven to rotate through the servo motor 6, the outer wall of the bottom end of the blanking frame 4 is fixedly connected with an L-shaped fixing frame 7, the outward extending part of the L-shaped fixing frame 7 and the cam 5 are located on the same plane, the L-shaped fixing frame 7 is provided with two groups and symmetrically arranged by taking the central line of the blanking frame 4 as a symmetrical axis, the L-shaped fixing frame 7 is extruded through the rotation of the cam 5, the L-shaped fixing frame 7 drives the blanking frame 4 to swing by a certain amplitude, and a discharge hole at the bottom of the blanking frame 4 can uniformly spread sand on a filter screen 32, so that the filtering efficiency is improved.

In the utility model, when the filter sand and gravel vibration device is used, sand and gravel to be filtered are placed in the blanking frame 4, the discharging hole at the bottom of the blanking frame 4 is used for discharging, at the moment, the servo motor 6 is started to drive the cam 5 to rotate, so that the cam 5 extrudes the L-shaped fixing frame 7, the L-shaped fixing frame 7 drives the blanking frame 4 to swing to a certain extent, at the moment, the discharging hole at the bottom of the blanking frame 4 can be moved through swinging, sand and gravel are paved on the filter screen 32, sand and gravel accumulation on the filter screen 32 is avoided, efficiency is affected, the L-shaped fixing frame 7 at two sides is extruded through rotation of the cam 5, the blanking frame 4 is continuously shaken, when the filter screen 32 is required to be disassembled and cleaned, the shifting block 35 is moved inwards, the limiting block 36 is driven to move inwards and separate from the limiting groove 37, at the moment, the limiting rod 33 can be taken out, the filter screen 32 can be disassembled and cleaned after the cleaning is completed, the filter screen 32 is reinserted into the interior of the vibrating frame 31, the limiting rod 33 is inserted into the interior of the frame 31, the limiting block 33 is clamped in the frame 31, the limiting block 36 is moved inwards, and the limiting block 37 is reset to the limiting groove 37 is moved to the limiting groove 37, and the vibrating frame is reset, and the limiting block is moved to the limiting block 37 to the vibrating frame 32 is reset, and the limiting block 37 is moved to the limiting groove 37.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a high-efficient categorised sand screening machine, includes support (1), its characterized in that: the top end of the bracket (1) is rotationally connected with a blanking frame (4), and a screening mechanism (3) is arranged on the inner side wall of the bracket (1);

Screening mechanism (3) are including two sets of vibrating frame (31), be provided with vibrating motor on the outside lateral wall of support (1), peg graft on the inner wall of vibrating frame (31) have filter screen (32), peg graft on the inner wall of vibrating frame (31) have gag lever post (33), sliding connection has stopper (36) on the inner wall of gag lever post (33), stopper (36) are the arc setting, the inboard lateral wall of stopper (36) passes through reset spring (34) elastic connection on the inner wall of gag lever post (33), limit groove (37) have been seted up on the inboard lateral wall of vibrating frame (31) outer end, fixedly connected with shifting block (35) on the outer wall of stopper (36).

2. The efficient classifying screen according to claim 1, wherein: the automatic feeding device is characterized in that a servo motor (6) is fixedly connected to the outer side wall of the support (1), a cam (5) is fixedly connected to an output shaft of the servo motor (6), a central shaft at the center of the cam (5) is rotationally connected to the inner side wall of the support (1), an L-shaped fixing frame (7) is fixedly connected to the outer wall of the bottom end of the blanking frame (4), the outward extending part of the L-shaped fixing frame (7) and the cam (5) are located on the same plane, and the L-shaped fixing frame (7) is provided with two groups and is symmetrically arranged by using the central line of the blanking frame (4) as a symmetrical axis.

3. The efficient classifying screen according to claim 1, wherein: the inner side wall of the bracket (1) is provided with a transmission belt (2).

4. The efficient classifying screen according to claim 1, wherein: the vibrating frame (31) is movably connected to the inner side wall of the bracket (1), the vibrating frame (31) is U-shaped, and the inner wall of the vibrating frame is provided with a groove.

5. The efficient classifying screen according to claim 1, wherein: the limiting rod (33) seals the opening of the vibration frame (31).

6. The efficient classifying screen according to claim 1, wherein: the inner side wall of the limiting block (36) is fixedly connected with one end of the reset spring (34), and the other end of the reset spring (34) is fixedly connected to the inner wall of the limiting rod (33).

7. The efficient classifying screen according to claim 1, wherein: the outer end of the limiting block (36) is clamped on the inner wall of the limiting groove (37).

8. The efficient classifying screen according to claim 1, wherein: the shifting block (35) extends to the outside of the limiting rod (33), and the shifting block (35) penetrates through and is connected to the inner wall of the limiting rod (33) in a sliding mode.