CN221657176U - Fine screening equipment capable of double screening - Google Patents

Abstract

The utility model discloses fine screening equipment capable of double screening, which relates to the field of raw material sand and gravel and comprises a screening box and a screening component, wherein a feed inlet is formed in the right end of the screening box, the screening component for fine screening is arranged in the screening box, the screening component comprises a vibrating motor, a mounting frame, a coarse screening frame, a cylinder and a scraping plate, the mounting frame is arranged on the left side of the vibrating motor, the coarse screening frame is arranged on the inner side of the mounting frame, the cylinder is arranged above the coarse screening frame, and the scraping plate is arranged at the end part of the cylinder. This fine screening equipment that can dual screening can improve the screening efficiency of device to the grit through being provided with the screening subassembly, and coarse screening frame and fine screening net can carry out secondary screening to the grit, drive the screening speed that the scraper blade can be accelerated to the grit through the cylinder, are favorable to improving the screening efficiency of device, and the buffer board is flexible material, can play the effect of buffering protection to screening powder net.

Description

A fine screening device capable of double screening

Technical Field

The utility model relates to the field of raw material sand and gravel, in particular to a fine screening device capable of double screening.

Background Art

Sand and gravel aggregate is a general term for materials such as sand, pebbles, crushed stones, blocks, and stones in construction projects. Sand and gravel aggregate is the main building material for structures such as concrete and masonry in construction projects. Different grades of concrete require the use of sand and gravel aggregates of different particle sizes. Before mixing concrete, the sand and gravel aggregates need to be screened.

Most of the existing sand and gravel fine screening equipment simply screens the size of sand and gravel. There will be a lot of dust mixed in the sand and gravel, the screening efficiency is not high and it is not convenient to clean the sand and gravel.

Therefore, in view of this, research and improvement are conducted on the existing structure and defects, and a fine screening device capable of double screening is provided.

Utility Model Content

The purpose of the utility model is to provide a fine screening device capable of double screening to solve the problems raised in the above background technology.

To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a fine screening device capable of double screening, comprising a screening box and a screening assembly, a feed port is provided at the right end of the screening box, the screening assembly for fine screening is arranged inside the screening box, and the screening assembly comprises a vibration motor, a mounting frame, a coarse screening frame, a cylinder and a scraper, a mounting frame is provided on the left side of the vibration motor, and a coarse screening frame is installed on the inner side of the mounting frame, a cylinder is provided above the coarse screening frame, and a scraper is installed at the end of the cylinder.

Furthermore, a buffer plate is provided above the cylinder, and a pull-out plate is installed above the buffer plate.

Furthermore, a card slot is provided at the left end of the pull-out plate, and the pull-out plate and the card slot are card-engaged.

Furthermore, a fine screening net is arranged below the coarse screening frame, and a cleaning component for cleaning is arranged at the left end of the screening box.

Furthermore, the cleaning assembly includes a water tank and a water pump, and the water pump is installed at the upper end of the water tank.

Furthermore, the cleaning assembly also includes a connecting pipe and a nozzle. The end of the water pump is provided with a connecting pipe, and the lower end of the connecting pipe is installed with a nozzle.

Furthermore, a drain outlet is provided at the lower end of the screening box, and support frames are installed at both ends of the screening box.

Furthermore, a dustproof plate is provided above the connecting pipe, and the dustproof plate is a "匚"-shaped structure.

The utility model provides a fine screening device capable of double screening, which has the following beneficial effects:

1. The utility model can improve the screening efficiency of the device for sand and gravel by providing a screening component. The coarse screening frame and the fine screening net can perform secondary screening on the sand and gravel. The scraper driven by the cylinder can accelerate the screening speed of the sand and gravel, which is beneficial to improving the screening efficiency of the device. The buffer plate is made of flexible material and can play a buffering and protective role on the powder screening net.

2. The utility model can clean the sand and gravel inside the device by providing a cleaning component, can screen and clean the sand and gravel at the same time, can greatly improve the quality of stone and improve the processing efficiency. The dustproof plate can protect the connecting pipe to avoid the blockage of the nozzle caused by dust, which is beneficial to protect the device.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG1 is a schematic diagram of the front view of a fine screening device capable of double screening according to the present invention;

FIG2 is a schematic diagram of the internal three-dimensional structure of a fine screening device capable of double screening according to the present invention;

FIG3 is a schematic diagram of the dustproof plate and connecting pipe structure of a fine screening device capable of double screening according to the utility model.

In the figure: 1. screening box; 2. feed port; 3. screening assembly; 301. vibration motor; 302. mounting frame; 303. coarse screening frame; 304. cylinder; 305. scraper; 4. buffer plate; 5. cleaning assembly; 501. water tank; 502. water pump; 503. connecting pipe; 504. nozzle; 6. dustproof plate; 7. slot; 8. pull-out plate; 9. fine screening net; 10. support frame; 11. drain outlet.

DETAILED DESCRIPTION

The following is a further detailed description of the implementation of the present invention in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but cannot be used to limit the scope of the present invention.

As shown in Figures 1 and 3, a fine screening device capable of double screening includes a screening box 1 and a screening assembly 3. A feed port 2 is provided at the right end of the screening box 1, a buffer plate 4 is provided above the cylinder 304, and a pull-out plate 8 is installed above the buffer plate 4. The buffer plate 4 is made of a flexible material and can provide buffering protection for the powder screening net. A card slot 7 is provided at the left end of the pull-out plate 8, and the pull-out plate 8 and the card slot 7 are snap-fitted. A fine screening net 9 is provided below the coarse screening frame 303. A cleaning assembly 5 for cleaning is provided at the left end of the screening box 1. The cleaning assembly 5 includes a water tank 501 and a water pump 502, and a water pump 502 is installed at the upper end of the water tank 501. The cleaning assembly 5 also includes a connecting pipe 503. and a nozzle 504, a connecting pipe 503 is provided at the end of the water pump 502, and a nozzle 504 is installed at the lower end of the connecting pipe 503. The cleaning component 5 can be provided to clean the sand and gravel inside the device, and the sand and gravel can be screened and cleaned at the same time, which can greatly improve the quality of the stone and the processing efficiency. A drain port 11 is provided at the lower end of the screening box 1, and support frames 10 are installed at both ends of the screening box 1. A dustproof plate 6 is provided above the connecting pipe 503, and the dustproof plate 6 is a "匚" type structure. The dustproof plate 6 can protect the connecting pipe 503 to avoid clogging of the nozzle 504 caused by dust, which is beneficial to protecting the device.

As shown in Figure 2, the screening component 3 for fine screening is arranged inside the screening box 1, and the screening component 3 includes a vibration motor 301, a mounting frame 302, a coarse screening frame 303, a cylinder 304 and a scraper 305. The mounting frame 302 is arranged on the left side of the vibration motor 301, and the coarse screening frame 303 is installed on the inner side of the mounting frame 302. The cylinder 304 is arranged above the coarse screening frame 303, and the scraper 305 is installed at the end of the cylinder 304. The screening component 3 can improve the screening efficiency of the device for sand and gravel. The coarse screening frame 303 and the fine screening net 9 can perform secondary screening on the sand and gravel. The scraper 305 driven by the cylinder 304 can accelerate the screening speed of the sand and gravel, which is beneficial to improving the screening efficiency of the device.

In summary, the fine screening device capable of double screening, firstly, according to the structure shown in Figures 1 to 3, pours the sand and gravel to be screened from the feed port 2 into the screening box 1, and the sand and gravel fall on the buffer plate 4 and flow to the coarse screening frame 303, which can play a role of buffering protection, and starts the vibration motor 301 to make the device vibrate, and the sand and gravel pass through the coarse screening frame 303 and the fine screening net 9 for secondary screening. During the screening process, the cylinder 304 is started to drive the scraper 305 to move left and right inside the device, which can accelerate the screening efficiency of the device and is beneficial to improving the screening efficiency of the device. The screening is almost In this case, the pull-out plate 8 is pulled out from the screening box 1, and the water pump 502 is started. Under the action of the water pump 502, the water in the water tank 501 is sprayed out from the nozzle 504. The dustproof plate 6 can protect the connecting pipe 503 to prevent the nozzle 504 from being blocked by dust, which is beneficial to protecting the device. The sand and gravel can be screened and cleaned at the same time, which can greatly improve the quality of the stone and the processing efficiency. The cleaned water is discharged from the drain port 11. After the screening is completed, the coarse screening frame 303 and the fine screening net 9 are removed, and the sand and gravel can be poured out.

The embodiments of the present invention are provided for the purpose of illustration and description, and are not intended to be exhaustive or to limit the present invention to the disclosed forms. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments are selected and described to better illustrate the principles and practical applications of the present invention, and to enable those of ordinary skill in the art to understand the present invention and thereby design various embodiments with various modifications suitable for specific uses.

Claims (7)

1. A fine screening device capable of double screening, comprising a screening box (1) and a screening assembly (3), characterized in that a feed port (2) is arranged at the right end of the screening box (1), the screening assembly (3) for fine screening is arranged inside the screening box (1), and the screening assembly (3) comprises a vibration motor (301), a mounting frame (302), a coarse screening frame (303), a cylinder (304) and a scraper (305), a mounting frame (302) is arranged on the left side of the vibration motor (301), and a coarse screening frame (303) is installed on the inner side of the mounting frame (302), a cylinder (304) is arranged above the coarse screening frame (303), and a scraper (305) is installed at the end of the cylinder (304), a fine screening net (9) is arranged below the coarse screening frame (303), and a cleaning assembly (5) for cleaning is arranged at the left end of the screening box (1). 2. A fine screening device capable of double screening according to claim 1, characterized in that a buffer plate (4) is provided above the cylinder (304), and a pull-out plate (8) is installed above the buffer plate (4). 3. A fine screening device capable of double screening according to claim 2, characterized in that a card slot (7) is provided at the left end of the pull-out plate (8), and the pull-out plate (8) and the card slot (7) are snap-fittedly connected. 4. A fine screening device capable of double screening according to claim 1, characterized in that the cleaning component (5) includes a water tank (501) and a water pump (502), and the water pump (502) is installed at the upper end of the water tank (501). 5. A fine screening device capable of double screening according to claim 4, characterized in that the cleaning component (5) also includes a connecting pipe (503) and a nozzle (504), a connecting pipe (503) is provided at the end of the water pump (502), and a nozzle (504) is installed at the lower end of the connecting pipe (503). 6. A fine screening device capable of double screening according to claim 1, characterized in that a drain outlet (11) is provided at the lower end of the screening box (1), and support frames (10) are installed at both ends of the screening box (1). 7. A fine screening device capable of double screening according to claim 5, characterized in that a dustproof plate (6) is provided above the connecting pipe (503), and the dustproof plate (6) is a "匚" type structure.