CN214812569U - Aggregate vibration screening device - Google Patents

Abstract

The utility model belongs to the technical field of the concrete processing technique and specifically relates to a aggregate vibration screening plant is related to, its vibration frame and setting vibrating motor and screen cloth in the vibration frame that sets up including the slope, one side that the vibration frame is far away from ground is equipped with buffer gear, buffer gear is including fixing the collecting hopper in the vibration frame and establishing the buffer board in the collecting hopper. The present application has the following effects: buffer gear cushions the aggregate of input to the collecting hopper to reduce the aggregate and at the impact that reinforced in-process caused the screen cloth, thereby make screen cloth non-deformable.

Description

Aggregate vibration screening device

Technical Field

The application relates to the technical field of concrete processing, in particular to an aggregate vibration screening device.

Background

An aggregate vibrating screen is a device used for screening and grading aggregates in the concrete processing process. The vibration motor is used for exciting vibration to serve as a vibration source, so that the aggregates are thrown up from the screen, and simultaneously move to the low end along the high end of the obliquely arranged screen, and the aggregates are filtered through the screens with different specifications, so that the purpose of screening the aggregates is achieved.

Chinese utility model patent with publication number CN209613512U discloses a novel triaxial shale shaker for aggregate screening, and it includes the box, and the bottom of box is equipped with the base, and the front side of base is equipped with the second spring holder, and two the second spring holder links to each other with the base is articulated, and the rear side of base is equipped with first spring holder, and two first spring holder links to each other with the base is articulated, and the left and right sides of box all is equipped with the curb plate.

In view of the above-mentioned related technologies, the inventor believes that when aggregates are fed from a high place into a box body, the aggregates are likely to impact a screen in the box body, so that the screen is deformed or even damaged, and the aggregates cannot be well screened.

SUMMERY OF THE UTILITY MODEL

In order to reduce the impact that aggregate caused to the screen cloth, this application provides an aggregate vibration screening device.

The application provides a aggregate vibration screening device adopts following technical scheme:

the utility model provides a aggregate vibration screening plant, includes the vibration frame that the slope set up and sets up vibrating motor and screen cloth in the vibration frame, one side that the vibration frame is far away from ground is equipped with buffer gear, buffer gear is including fixing the collecting hopper in the vibration frame and establishing the buffer board in the collecting hopper.

By adopting the technical scheme, the aggregate can be intensively put at the high end of the screen through the aggregate hopper so as to be conveniently screened by the screen; the buffer board is used for buffering the aggregate of input to the collecting hopper to reduce the impact that the aggregate caused at reinforced in-process to the screen cloth, thereby make screen cloth non-deformable.

Optionally, the buffer board is provided with multistage on the relative both sides wall of collecting hopper slope, the high-end one end that is close to the collecting hopper lateral wall of buffer board, the low side of buffer board is the one end of keeping away from the collecting hopper lateral wall, and multistage buffer board is crisscross to be set up.

By adopting the technical scheme, the buffer plate is obliquely arranged, so that the aggregate can smoothly fall onto the screen by utilizing the self gravity; the buffer plate is provided with multiple stages, so that the gravitational potential energy of the aggregate passing through the buffer mechanism is further reduced, and the impact on the screen is smaller.

Optionally, a stiffened plate is arranged on one side of the buffer plate close to the ground, and the stiffened plate is fixedly connected with the side walls of the buffer plate and the material collecting hopper.

Through adopting above-mentioned technical scheme, the stiffened plate is used for forming the support to the buffer board to the anti deformability of reinforcing buffer board, thereby form more effective buffering to the aggregate.

Optionally, the buffer plate is arranged along the moving direction of the aggregate on the screen.

Through adopting above-mentioned technical scheme for the aggregate drops the back from the buffer board, and the aggregate can distribute on the screen cloth more evenly, avoids the aggregate to distribute unevenly and causes aggregate screening effect variation.

Optionally, the screen cloth is provided with at least two stages on the vibration frame, the screen cloth is arranged in parallel, and the mesh of the screen cloth at the upper position is larger than the mesh of the screen cloth at the lower position.

Through adopting above-mentioned technical scheme for when the aggregate passes through the screen cloth step by step under vibrating motor's vibration, can reach the purpose of carrying out the screen cloth to the aggregate and grading.

Optionally, the vibrating frame is provided with a dust collecting plate below the screen, and the dust collecting plate is arranged in parallel with the screen.

Through adopting above-mentioned technical scheme, the collecting plate is used for blockking the dust through the screen cloth step by step for the dust can be followed the high-end bottom of removing to the collecting plate of collecting plate, thereby makes the dust be difficult for piling up in the below of vibration frame, causes the clean existence of dust inconvenient.

Optionally, one end of the dust collecting plate close to the ground is provided with a dust exhaust port, and one side of the dust collecting plate close to the ground is provided with a dust collecting box in a sliding manner.

By adopting the technical scheme, dust enters the dust collection box through the dust discharge port; after the screening operation is finished, the dust box slides out from the lower part of the dust collecting plate, and then the dust in the dust box can be cleaned.

Optionally, a base is arranged on one side of the vibration rack close to the ground, and the dust collection box is arranged on the base in a sliding manner.

Through adopting above-mentioned technical scheme, the base is used for improving the steadiness of vibration frame, lifts off the dust collection box ground simultaneously to be difficult for producing with ground and interfere when making the dust collection box slide.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the buffering mechanism buffers the aggregates fed into the aggregate collecting hopper so as to reduce the impact of the aggregates on the screen in the feeding process, so that the screen is not easy to deform;

2. through setting up the dust collecting plate for the dust is difficult for piling up in the below of vibration frame, causes the clean existence of dust inconvenient.

Drawings

FIG. 1 is a schematic structural diagram of an aggregate vibratory screening device as a whole according to an embodiment of the present application;

figure 2 is a longitudinal cross-sectional view of an aggregate vibratory screening device according to an embodiment of the present application.

Description of reference numerals: 1. vibrating the frame; 11. a vibration foot; 2. a vibration motor; 3. screening a screen; 4. a buffer mechanism; 41. a collection hopper; 42. a buffer plate; 43. adding a rib plate; 5. a base; 6. a dust collecting plate; 61. a dust exhaust port; 7. a dust collection box.

Detailed Description

The present application is described in further detail below with reference to figures 1-2.

The embodiment of the application discloses aggregate vibration screening device. Referring to fig. 1, the aggregate vibrating screen device comprises a vibrating frame 1, a vibrating motor 2, a screen 3 and a buffer mechanism 4.

1 slope of vibration frame sets up, and screen cloth 3 and vibrating motor 2 are all fixed on vibration frame 1, and screen cloth 3 is used for screening the aggregate hierarchical, and vibrating motor 2 is as the power supply to order about vibration frame 1 and produce the vibration, and make the aggregate on the screen cloth 3 thrown up, thereby be convenient for screen cloth 3 to filter the aggregate. Buffer gear 4 is fixed in the one side that the vibration frame 1 is far from the ground, and buffer gear 4 is used for buffering the aggregate of puting into on screen cloth 3 to reduce the impact that the aggregate caused screen cloth 3 at the in-process of feeding in raw material.

Referring to fig. 1 and 2, the vibration rack 1 includes two side plates arranged side by side and at an interval, a vibration supporting leg 11 is arranged on one side of the vibration rack 1 close to the ground, and the vibration supporting leg 11 makes the vibration rack 1 vibrate under the driving of the vibration motor 2. Two groups of vibration support legs 11 at two ends of the vibration rack 1 in the length direction are different in height, the vibration support legs 11 at the high end of the vibration rack 1 are larger in height, and the vibration support at the bottom end of the vibration rack 1 is smaller in height.

The base 5 is arranged at one end of the vibration support leg 11 far away from the vibration rack 1, and the base 5 is fixedly connected with the ground. The base 5 may be a beam body disposed along the length direction of the vibration housing 1, and the base 5 is used to enhance the stability of the vibration supporting feet 11 on the ground, so that the stability of the vibration housing 1 is improved.

Referring to fig. 1 and 2, the screen 3 is provided at least in two stages on the vibration frame 1, and in this embodiment, a three-stage screen 3 is exemplified. The screen cloth 3 is arranged along the length direction of the vibrating frame 1, and the screen cloth 3 is fixed between two side plates of the vibrating frame 1. All parallel arrangement between tertiary screen cloth 3, and the mesh of the screen cloth 3 of position on is greater than the mesh of the screen cloth 3 of position under to when making the aggregate pass through screen cloth 3 step by step under the vibration of vibrating motor 2, can reach the mesh that carries out screen cloth 3 grading to the aggregate.

Referring to fig. 1 and 2, the vibration frame 1 is provided with a dust collecting plate 6 below the screen 3, the dust collecting plate 6 may be a rectangular steel plate with a small surface roughness, and the dust collecting plate 6 and the tertiary screen 3 are both arranged in parallel. The dust collecting plate 6 is used for collecting the dust of aggregate in the screening and grading process, and the dust falls to the dust collecting plate 6 through the screen cloth 3 step by step to the bottom of dust collecting plate 6 is removed to the high-end along dust collecting plate 6, makes the dust be difficult for piling up in the below of vibration frame 1, causes the clean existence of dust inconvenient.

The base 5 is provided with a dust collection box 7 in a sliding way, the dust collection box 7 can be in a rectangular groove shape, the opening direction of the dust collection box 7 is the direction far away from the base 5, and the dust collection box 7 is arranged on one side of the dust collection plate 6 close to the ground. The dust collection box 7 and the base 5 can be connected in a sliding manner by two sections of rails, and certainly can also be connected in a sliding manner by a screw rod sliding table mechanism. One end of the dust collecting plate 6 close to the ground is provided with a dust discharging port 61, and the dust discharging port 61 is a rectangular opening arranged at the lower end of the dust collecting plate 6. The dust discharge port 61 is located right above the open end of the dust box 7. After the dust moves to the lower end of the dust collecting plate 6, the dust can enter the dust collecting box 7 through the dust discharging port 61. After the screening operation is completed, the dust box 7 is slid out from the lower part of the dust collecting plate 6, and then the dust in the dust box 7 can be cleaned.

Referring to fig. 1 and 2, the buffer mechanism 4 includes a hopper 41 and a buffer plate 42. The aggregate bin 41 is a square tube with two open ends, the aggregate bin 41 is arranged along the vertical direction, and the aggregate bin 41 is fixedly connected with the vibration rack 1. Aggregate can be intensively put at the high end of the screen mesh 3 through the collecting hopper 41 so that the screen mesh 3 can sieve the aggregate. The buffer plates 42 are fixed in the hopper 41, and the buffer plates 42 are provided on both side walls of the hopper 41 opposite to each other. The buffer plate 42 is a rectangular steel plate, and the buffer plate 42 is used for buffering the aggregates fed into the aggregate bin 41.

The buffer plate 42 is obliquely arranged, the high end of the buffer plate 42 is the end close to the side wall of the aggregate collecting hopper 41, and the bottom end of the buffer plate 42 is the end far away from the side wall of the aggregate collecting hopper 41, so that the aggregate falling onto the buffer plate 42 can smoothly fall onto the screen 3 by using the gravity of the aggregate. The buffer plate 42 is provided with a plurality of stages, and the plurality of stages of buffer plates 42 are arranged in a staggered manner step by step, so that the gravitational potential energy of the aggregates passing through the buffer mechanism 4 is further reduced, and the impact on the screen 3 is smaller. Meanwhile, the buffer plate 42 is arranged along the moving direction of the aggregate on the screen 3, namely the length direction of the buffer plate 42 is the width direction of the screen 3, so that the aggregate can be more uniformly distributed on the screen 3 after falling off from the buffer plate 42, and the aggregate is prevented from being only distributed on one side of the width direction of the screen 3 to cause the aggregate screening effect to be poor.

A reinforced plate 43 is arranged on one side of the buffer plate 42 close to the ground. The reinforcing plates 43 are triangular, and a plurality of reinforcing plates 43 are arranged at equal intervals along the length direction of the buffer plate 42. The ribbed plate 43 and the buffer plate 42 are welded and fixed with the inner side wall of the collecting hopper 41. The reinforcing plate 43 serves to support the buffer plate 42 to enhance the deformation resistance of the buffer plate 42, thereby more effectively buffering the aggregate.

The implementation principle of aggregate vibration screening device of the embodiment of the application is as follows: during specific construction, the vibration motor 2 is started, and the vibration motor 2 drives the vibration rack 1 to vibrate, so that the screen 3 on the vibration rack 1 vibrates therewith. Then, the aggregates are put into the aggregate collecting hopper 41 from one end of the aggregate collecting hopper 41 far away from the vibrating frame 1, and after entering the aggregate collecting hopper 41, the aggregates are buffered step by the buffer plate 42, so that the gravitational potential energy of the aggregates is gradually reduced, and the aggregates have small impact on the screen 3 when falling on the screen 3. After the aggregates fall on the screen 3, the aggregates are screened and classified by the multi-layered screen 3 and discharged from the lower end of the vibrating frame 1. The dust generated during the vibration falls down onto the dust collecting plate 6 and enters the dust box 7 through the dust discharge opening 61.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (8)

1. The utility model provides a aggregate vibration screening device, includes vibration frame (1) and setting vibrating motor (2) and screen cloth (3) on vibration frame (1) that the slope set up, its characterized in that: one side of the vibrating frame (1) far away from the ground is provided with a buffer mechanism (4), and the buffer mechanism (4) comprises a material collecting hopper (41) fixed on the vibrating frame (1) and a buffer plate (42) arranged in the material collecting hopper (41).

2. A vibratory screening apparatus as set forth in claim 1 including: buffer board (42) are provided with multistage on the relative both sides wall of collecting hopper (41) slope, the high-end one end that is close to collecting hopper (41) lateral wall of buffer board (42), the low side of buffer board (42) is the one end of keeping away from collecting hopper (41) lateral wall, and multistage buffer board (42) are crisscross to be set up.

3. A vibratory screening apparatus as set forth in claim 1 including: one side of the buffer plate (42) close to the ground is provided with a stiffened plate (43), and the stiffened plate (43) is fixedly connected with the side walls of the buffer plate (42) and the collecting hopper (41).

4. A vibratory screening apparatus as set forth in claim 1 including: the buffer plate (42) is arranged along the moving direction of the aggregate on the screen (3).

5. A vibratory screening apparatus as set forth in claim 1 including: the screen cloth (3) is provided with at least two stages on the vibration frame (1), the screen cloth (3) are arranged in parallel, and the mesh of the screen cloth (3) at the upper position is larger than the mesh of the screen cloth (3) at the lower position.

6. A vibratory screening apparatus as set forth in claim 5 including: the vibrating screen is characterized in that a dust collecting plate (6) is arranged below the screen (3) of the vibrating frame (1), and the dust collecting plate (6) is arranged in parallel with the screen (3).

7. A vibratory screening apparatus as set forth in claim 6 including: one end of the dust collecting plate (6) close to the ground is provided with a dust discharging port (61), and one side of the dust collecting plate (6) close to the ground is provided with a dust collecting box (7) in a sliding manner.

8. An aggregate vibratory screening apparatus as set forth in claim 7 including: a base (5) is arranged on one side, close to the ground, of the vibrating frame (1), and the dust collection box (7) is arranged on the base (5) in a sliding mode.

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