CN216757199U - High-efficient screening sand device - Google Patents

Abstract

The utility model relates to the technical field of civil engineering equipment, in particular to a high-efficiency sand screening device, comprising a screening mechanism. A number of convex columns are evenly arranged on the outer periphery, a drive plate used in cooperation with the convex columns is arranged on one side of the screening plate, and a number of smooth grooves are evenly arranged on the outer circumference of the driving plate; the top of the screening plate is connected with a number of connecting rods , the other end of the connecting rod is connected to the limit rod; the limit rod is movably connected to the fixed frame, the other end of the fixed frame is connected to the shell, the inside of the shell is provided with a discharge cylinder, and the end of the drive disc away from the screening disc is connected to the output of the drive axis. Thereby, the utility model can automatically screen the sand quickly and efficiently, save labor, occupy less space, and have low use cost.

Description

A high-efficiency sand screening device

technical field

The utility model relates to the technical field of civil engineering equipment, in particular to a high-efficiency sand screening device.

Background technique

Civil engineering is a general term for the science and technology of building various land engineering facilities. It refers not only to the applied materials, equipment, and technical activities such as surveying, design, construction, maintenance, and repair, but also to the object of engineering construction, that is, construction. Various engineering facilities on the ground or underground, directly or indirectly serving human life, production, military, and scientific research; sand is one of the more commonly used materials in civil engineering construction. In order to meet the requirements of sand use, many purchased sands are Need to go through the post-screening work.

At present, most of the construction sites use artificial sand screening, which not only has high labor intensity, but also has low sand screening efficiency and poor sand screening effect. Some large sand screening equipment has high operating costs and is not suitable for small construction sites.

How to automatically screen sand quickly and efficiently, save labor, take up less space, and use low cost, has become a technical problem that needs to be broken through.

To sum up, the prior art obviously has inconvenience and defects in practical use, so it is necessary to improve it.

Utility model content

In view of the above-mentioned defects, the purpose of the present invention is to provide a high-efficiency sand screening device, which can quickly and efficiently screen sand automatically, saves labor, takes up less space, and has low use cost.

In order to achieve the above purpose, the present utility model provides a high-efficiency sand screening device, which includes a screening mechanism, and the screening mechanism includes a slanted hollow screening tray, and a screen is arranged inside the screening tray. The outer circumference of the dividing plate is evenly provided with a plurality of convex columns, one side of the screening plate is provided with a driving plate used in cooperation with the convex columns, and the outer circumference of the driving plate is evenly provided with a number of smooth grooves; The top of the screening plate is connected with several connecting rods, and the other ends of the connecting rods are connected with limit rods.

The limit rod is movably connected to a fixing frame, the other end of the fixing frame is connected to a casing, a discharge cylinder is arranged inside the casing, and one end of the driving disc away from the screening disc is connected to the output shaft of the driver.

According to the high-efficiency sand screening device of the present invention, the screening disc is an inclined hollow cylindrical structure.

According to the high-efficiency sand screening device of the present invention, the top end of the limit rod passes through the fixing frame, and the part of the limit rod passing through the fixing frame is connected to the limit block.

According to the high-efficiency sand screening device of the present invention, the bottom of the casing is inclined.

According to the high-efficiency sand screening device of the present invention, the discharge cylinder is a hollow cylindrical structure.

According to the high-efficiency sand screening device of the present invention, the bottom end of the casing is provided with a discharge hole.

According to the high-efficiency sand screening device of the present invention, the other end of the driver is fixedly connected to the casing.

The purpose of the utility model is to provide a high-efficiency sand screening device, which includes a screening mechanism, which can separate large particles in the sand from the sand that meets the requirements of the screen size, and automatically screen the sand quickly and efficiently. , saving labor; single driver control, small footprint, low cost of use. To sum up, the beneficial effects of the utility model are: automatic screening of sand quickly and efficiently, labor saving, small occupied space, and low use cost.

Description of drawings

Fig. 1 is a structural drawing of the utility model; Fig. 2 is a structural drawing of the screening mechanism in Fig. 1; Fig. 3 is a plan view at the outer casing; Fig. 4 is a longitudinal section in the direction of the front view of the outer casing; In the figure: 1-shell, 11-Discharge drum, 12-Driver, 13-Drive disc, 14-Discharge hole, 15-Fixed frame, 2-Screening mechanism, 21-Screening disc, 211-Baffle plate, 22-Protruding column, 23- Connecting rod, 24-limit bar, 241-limit block, 3-screen.

Detailed ways

In order to make the purpose, technical solutions and advantages of the present utility model more clearly understood, the present utility model will be further described in detail below with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are only used to explain the present invention, and are not intended to limit the present invention.

1-3, the utility model provides a high-efficiency sand screening device, including a screening mechanism 2, the screening mechanism 2 includes a screening disc 21, the screening disc 21 is an inclined hollow cylindrical structure, and the screening disc 21 The inner hollow is provided with a screen 3, and the screen 3 covers the entire hollow of the screening disc 21; thereby, the screening disc 21 can screen the sand, and the large particles in the sand (such as: clods) , gravel, etc.) will slide to the lower side of the screening plate 21, and the sand that meets the particle size requirements of the screen 3 will fall along the sieve holes of the screen 3; the top of the lower side of the screening plate 21 is provided with Baffle 211, some sands that meet the particle size requirements of screen mesh 3 will slide down to the lower side of the screening plate 21 due to gravity along with large particles, resulting in a waste of screening. The sand that meets the requirements of particle size 3 is intercepted, so that these sands that meet the requirements of particle size 3 of the screen are screened again. The height of the baffle 211 is relatively short, and the large particles will pass over the baffle 211 due to the large sliding force. The large particles do not pass over the baffle 211, and will also accumulate at the baffle 211. With the continuous increase of the accumulation, they will eventually slide down from the lower side of the screening tray 21; the outer circumference of the screening tray 21 is evenly provided with A plurality of convex columns 22, one side of the screening plate 21 is provided with a drive plate 13 which is used in conjunction with the convex column 22, and the outer circumference of the drive plate 13 is evenly provided with a number of smooth grooves, each groove can just accommodate a convex column. Column 22; the top of the sieving plate 21 is connected to several connecting rods 23, the other ends of the connecting rods 23 are all bent upward to connect to the limit rod 24, and the limit rod 24 is movably connected to the fixing frame 15 (the limit rod 24 can be fixed in The other end of the fixing frame 15 is connected to the housing 1; the top end of the limit rod 24 passes through the fixing frame 15, and the part of the top of the limit rod 24 passing through the fixing frame 15 is connected to the limit block 241, limiting the The bit block 241 can prevent the screening disc 21 from falling when the protruding post 22 is damaged; when the driving disc 13 rotates (at this time, a protruding post 22 is clamped in the groove at the top of the driving disc 13), the driving disc 13 will Drive the groove to rotate, the groove will drive the convex column 22 to move. After one convex column 22 is separated from one groove, the next convex column 22 will enter the next groove. With the continuous rotation of the drive disk 13, the convex column 22 will also drive When the screening disc 21 rotates, due to the inclination of the screening disc 21, the screening disc 21 will move down continuously while rotating. The sieving disc 21 will move up continuously while rotating.

Referring to Figure 1, Figure 3 and Figure 4, the bottom of the casing 1 is inclined, the interior of the casing 1 is provided with a discharge cylinder 11, the discharge cylinder 11 is a hollow cylindrical structure, and the top of the discharge cylinder 11 faces the screening disc 21 In the hollow space of the sieve, the sand that meets the particle size requirements of the screen 3 will fall to the discharge cylinder 11 along the sieve holes of the screen 3, and continue to fall along the discharge cylinder 11 until it falls to the ground (the sand transport trolley can be placed Below the discharge cylinder 11); the bottom end of the casing 1 is provided with a discharge hole 14, the discharge hole 14 is located on the lower side of the casing 1, and the discharge hole 14 can discharge the large particles screened out; The discharged large particles fall through the baffle 211 into the avoidance space between the casing 1 and the discharge cylinder 11, and slide down the inclined bottom surface of the casing 1 until they slide out from the discharge hole 14, and can be placed in the discharge hole 14. Connect the collection pipe at the place to prevent the discharged large particles from mixing with the sand discharged from the discharge cylinder 11 that meets the particle size requirements of the screen 3; It can rotate with the output shaft of the driver 12 , and the other end of the driver 12 is fixedly connected to the casing 1 .

In the present invention, the driver 12 is a rotary motor.

Turn on the driver 12, the driver 12 drives the drive disc 13 to rotate, and the drive disc 13 drives the sieving disc 21 to rotate. When the sieving disc 21 rotates and moves up and down, the sand to be sieved is poured into the top of the screen 3, and the sand in the sand is Large particles will slide down to the lower side of the sieving plate 21 and finally be discharged from the discharge hole 14;

The utility model provides a high-efficiency sand screening device, which comprises a screening mechanism, which can separate large particles in the sand from the sand that meets the requirements of the size of the screen, and automatically screen the sand quickly and efficiently, saving energy. Manual; single driver control, small footprint and low cost of use. To sum up, the beneficial effects of the utility model are: automatic screening of sand quickly and efficiently, labor saving, small occupied space, and low use cost.

Of course, the present utility model can also have other various embodiments, without departing from the spirit and essence of the present utility model, those skilled in the art can make various corresponding changes and deformations according to the present utility model, but These corresponding changes and deformations should all belong to the protection scope of the appended claims of the present invention.

Claims (7)

1. a high-efficiency sand screening device is characterized in that, comprising a screening mechanism, and the screening mechanism comprises a slantingly arranged hollow screening disc, the interior of the screening disc is provided with a screen, and the A plurality of convex pillars are evenly arranged on the outer periphery, a driving disk for cooperating with the convex pillars is arranged on one side of the sieving disk, and a number of smooth grooves are evenly arranged on the outer periphery of the driving disk; The top of the disk is connected with several connecting rods, and the other ends of the connecting rods are connected with limit rods; The limit rod is movably connected to a fixing frame, the other end of the fixing frame is connected to a casing, a discharge cylinder is arranged inside the casing, and one end of the driving disc away from the screening disc is connected to the output shaft of the driver. 2 . The high-efficiency sand screening device according to claim 1 , wherein the screening disc is an inclined hollow cylindrical structure. 3 . 3 . The high-efficiency sand screening device according to claim 1 , wherein the top end of the limiting rod passes through the fixing frame, and the part of the limiting rod passing through the fixing frame is connected to a limiting block. 4 . 4 . The high-efficiency sand screening device according to claim 1 , wherein the bottom of the casing is inclined. 5 . 5 . The high-efficiency sand screening device according to claim 1 , wherein the discharge cylinder is a hollow cylindrical structure. 6 . 6 . The high-efficiency sand screening device according to claim 1 , wherein the bottom end of the casing is provided with a discharge hole. 7 . 7 . The high-efficiency sand screening device according to claim 1 , wherein the other end of the driver is fixedly connected to the casing. 8 .

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