CN219292001U - Multistage vibration screening machine of natural sand - Google Patents

Abstract

The utility model discloses a natural sand multi-stage vibrating screening machine, which belongs to the technical field of natural sand screening and comprises a first screen frame, the bottom outer wall of the first screen frame is fixedly connected with a support column, and one end of the support column A second screen frame is fixedly connected, a motor is fixedly connected to one side of the outer wall of the first screen frame, and a convex roller is fixedly connected to the output end of the motor, and a first screen is arranged inside the first screen frame, The bottom of the first screen is fixedly connected with a vertical plate; in the utility model, the threaded sleeve engaged on its outer wall can drive the mounting frame to move laterally during the rotation of the threaded screw rod, thereby driving the The scraper moves horizontally together, which can effectively scrape the natural sand on the top of the first screen, so that the first screen can evenly screen the natural sand, and avoid the concentration of natural sand from a certain part of the first screen. The sieving at the place causes its clogging.

Description

A kind of natural sand multi-stage vibrating screening machine

technical field

The utility model belongs to the technical field of natural sand screening, in particular to a natural sand multistage vibrating screening machine.

Background technique

In the construction process, according to different construction needs, it is necessary to screen the natural sand to separate the stones and fine sand. In the existing screening device, the mesh size of the mesh screen is fixed first. This makes the sand and gravel screened out of a single size, which cannot be flexibly changed according to actual needs. Secondly, the structural strength of the screen is too small. After repeated screening of sand and gravel, the screen is prone to damage. During the process, many stones with the same size as the mesh of the screen will block the mesh. If they are not removed in time, the mesh will be blocked.

After searching, the Chinese utility model whose patent publication number is CN208373546U discloses a kind of sand and gravel screening machine, and its technical scheme key point is to comprise screen box and the screen cloth that is fixed in the screen box, is connected with dustproof cover on the described screen box, A feeding port is opened on the dust-proof cover, and a dust suction device is also connected to the screen box, and the dust suction device includes a dust suction port and an air inlet located on the side wall of the screen box and is connected to the dust suction port. exhaust fan. The utility model solves the problem of pollution to the construction environment caused by flying dust during the operation of the gravel screening machine in the prior art, and has the effect of reducing the pollution of the dust to the construction environment.

The above-mentioned patents have the following deficiencies: in the process of sieving and sieving natural sand, it is easy to cause the natural sand to concentrate and sieve from one part of the screen, and the screen cannot evenly screen the natural sand, which increases the impact of the screen on the screen. The screening pressure of natural sand can easily lead to the screen blockage of the screening machine when it is working. Therefore, need badly a kind of natural sand multistage vibration screening machine to solve the above problems.

Utility model content

The purpose of this utility model is to provide a natural sand multi-stage vibrating screening machine to solve the problems raised in the above-mentioned background technology.

In order to achieve the above object, the utility model provides the following technical solutions: a multi-stage vibrating screening machine for natural sand, comprising a first screen frame, the outer wall of the bottom of the first screen frame is fixedly connected with a support column, and one end of the support column A second screen frame is fixedly connected, a motor is fixedly connected to one side of the outer wall of the first screen frame, and a convex roller is fixedly connected to the output end of the motor, and a first screen is arranged inside the first screen frame, The bottom of the first screen is fixedly connected with a riser, and one side of the outer wall of the riser is rotatably connected with a rotating shaft, and the rotating shaft is fixedly connected with the convex roller, and the first screen is far away from the side of the convex roller. A sliding assembly is arranged at one end, and a second screen is fixedly connected to the inside of the second screen frame, the second screen is inclined, and one side of the first screen frame and the second screen frame are respectively opened For the first discharge chute and the second discharge chute, a control panel is fixedly connected to one side outer wall of the first screen frame.

As a preferred embodiment, the inner walls on both sides of the first screen frame are fixedly connected with a first material guide plate, the cross section of the first material guide plate is a broken line, and the first material guide plate is arranged on The first screen is fixedly connected to the inner walls of both sides of the first screen frame with a second material guide plate, and the second material guide plate is located below one end of the first screen.

As a preferred embodiment, the slide assembly includes slide rails fixedly connected to the inner walls on both sides of the first screen frame, the inside of the slide rail is slidably connected with sliders, and the top of the sliders is fixedly connected with A telescopic rod, the output end of the telescopic rod is movably connected to the bottom outer wall of the first screen.

As a preferred implementation manner, a fixing seat is fixedly connected to one side of the outer wall of the first screen frame, and the fixing seat is fixedly connected to the motor.

As a preferred embodiment, the outer peripheral wall of the output end of the motor is fixedly connected with a driving gear, and the outer peripheral wall of the driving gear is meshed with a driven gear.

As a preferred embodiment, the outer wall of one side of the driven gear is fixedly connected with a threaded screw, the outer walls of both sides of the first screen frame are fixedly connected with horizontal plates, and the threaded screw is far away from the driven gear. One end of the moving gear is rotatably connected to one side of the outer wall of the horizontal plate, and the peripheral outer wall of the threaded screw rod is engaged with a threaded sleeve.

As a preferred embodiment, the top of the threaded sleeve is fixedly connected with an installation frame, the bottom outer wall of the installation frame is fixedly connected with an electric push rod, and the output end of the electric push rod is fixedly connected with a scraper, so The scraper is located above the first screen.

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

In the utility model, through the set first screen and scraper, when the staff need to screen the natural sand, it can be transported to the top of the first screen through the conveyor belt and start the motor at the same time, and the motor can drive The convex roller rotates, and the convex roller is connected to the first screen through the rotating shaft. Therefore, during the circular motion of the convex roller, the first screen will move left and right and vibrate to screen the natural sand on the top, which improves the The screening efficiency of the equipment to the natural sieve, and in the process of starting the motor will drive the driving gear to rotate, through the mutual meshing between the driving gear and the driven gear can drive the threaded screw to rotate, in the process of rotating the threaded screw can The threaded sleeve engaged on its outer wall drives the installation frame to move horizontally, so that the scraper below it can be driven to move horizontally together, which can effectively scrape the natural sand on the top of the first screen, so that the first screen It can evenly sieve the natural sand to avoid the clogging of the natural sand from a certain part of the first screen;

In the utility model, through the second sieve frame and the second sieve, the natural sand sieved by the first sieve will fall on the top of the second sieve, because there is a certain distance between the first sieve and the second sieve Therefore, the natural sand will have a certain gravitational potential energy in the process of falling, and the second screen is inclined, so the natural sand can be screened twice, and the multi-stage screening of the screening machine is realized, which satisfies the needs of people. usage requirements.

Description of drawings

Fig. 1 is a schematic diagram of the overall structure of the utility model;

Fig. 2 is the enlarged structural schematic diagram of A place in Fig. 1 of the utility model;

Fig. 3 is a schematic diagram of the distribution structure of the convex rollers of the utility model;

Fig. 4 is a schematic diagram of an enlarged structure at B in Fig. 3 of the present utility model.

In the figure: 1. The first screen frame; 2. The control panel; 3. The first material guide plate; 4. The installation frame; 5. The electric push rod; 6. The scraper; 7. The first screen; 8. The first Discharge chute; 9. Support column; 10. Second discharge chute; 11. Horizontal plate; 12. Thread screw; 13. Second screen; 14. Second screen frame; 15. Threaded sleeve; 17. Driven gear; 18, driving gear; 19, fixed seat; 20, motor; 21, convex roller; 22, vertical plate; 23, second material guide plate; 24, slide rail; .

Detailed ways

Below in conjunction with embodiment the utility model is described further.

The following examples are used to illustrate the utility model, but can not be used to limit the protection scope of the utility model. The conditions in the embodiment can be further adjusted according to the specific conditions, and the simple improvement of the method of the utility model under the premise of the concept of the utility model belongs to the protection scope of the utility model.

Please refer to Fig. 1-Fig. 4, the utility model provides a kind of natural sand multi-stage vibratory screening machine, comprise the first screen frame 1, the bottom outer wall of the first screen frame 1 is fixedly connected with the support column 9, and one end of the support column 9 is fixed A second screen frame 14 is connected, a motor 20 is fixedly connected to one side of the outer wall of the first screen frame 1, and a convex roller 21 is fixedly connected to the output end of the motor 20, and a first screen 7 is arranged inside the first screen frame 1. The bottom of the first screen 7 is fixedly connected with a riser 22, and one side of the outer wall of the riser 22 is rotatably connected with a rotating shaft. The inside of the second screen frame 14 is fixedly connected with a second screen cloth 13, the second screen cloth 13 is inclined, and one side of the first screen frame 1 and the second screen frame 14 is respectively provided with a first discharge chute 8 and a second screen cloth. Outlet chute 10, a side outer wall of the first screen frame 1 is fixedly connected with a control panel 2, when the staff needs to screen the natural sand, it can first be transported to the top of the first screen 7 by a conveyor belt and simultaneously Start the motor 20, the motor 20 can drive the convex roller 21 to rotate, and the convex roller 21 is connected to the first screen 7 through the rotating shaft, so the first screen 7 will move left and right during the circular motion of the convex roller 21 Vibration screens the natural sand on the top, which improves the screening efficiency of the equipment for natural sieves.

Specifically, as shown in Figure 1, the inner walls on both sides of the first screen frame 1 are fixedly connected with the first material guide plate 3, the cross section of the first material guide plate 3 is a broken line, and the first material guide plate 3 is arranged on the first screen The net 7 is fixedly connected to the inner walls of both sides of the first screen frame 1 with a second material guide plate 23 , and the second material guide plate 23 is located below one end of the first screen net 7 .

Specifically, as shown in Fig. 3 and Fig. 4, the slide assembly includes slide rails 24 fixedly connected to the inner walls on both sides of the first screen frame 1, the inside of the slide rails 24 is slidably connected to a slide block 26, and the top of the slide block 26 is fixedly connected to A telescopic rod 25 is arranged, and the output end of the telescopic rod 25 is movably connected on the bottom outer wall of the first screen cloth 7 .

Specifically, as shown in Figure 2, the outer wall of one side of the first screen frame 1 is fixedly connected with a fixed seat 19, and the fixed seat 19 is fixedly connected with the motor 20, and the motor 20 can be effectively fixed by the fixed seat 19, ensuring that the motor 20 stability.

Specifically, as shown in FIG. 2 , the peripheral outer wall of the output end of the motor 20 is fixedly connected with the driving gear 18, and the peripheral outer wall of the driving gear 18 is meshed with the driven gear 17, which will drive the driving gear 18 to rotate during the starting process of the motor 20. The threaded screw 12 can be driven to rotate through the mutual engagement between the driving gear 18 and the driven gear 17 .

Concretely, as shown in Figure 1, one side outer wall of driven gear 17 is fixedly connected with threaded screw rod 12, and both sides outer walls of the first screen frame 1 are fixedly connected with horizontal plate 11, and threaded screw rod 12 is far away from driven gear One end of 17 is rotatably connected to one side of the outer wall of the horizontal plate 11, and the outer wall of the threaded screw rod 12 is engaged with a threaded sleeve 15, and the rotation of the threaded screw rod 12 can drive the threaded sleeve 15 engaged on the outer wall to make the leveling sports.

Specifically, as shown in Figure 1, the top of the threaded sleeve 15 is fixedly connected with the installation frame 4, the bottom outer wall of the installation frame 4 is fixedly connected with the electric push rod 5, and the output end of the electric push rod 5 is fixedly connected with the scraper 6, The scraper 6 is located above the first screen 7, and the threaded sleeve 15 drives the installation frame 4 to move horizontally, thereby driving the scraper 6 below it to move horizontally together, and can effectively move the natural The sand is scraped flat so that the first screen 7 can evenly sieve the natural sand, so as to prevent the natural sand from being concentrated and sieved from a certain place of the first screen 7 to cause its blockage.

The working principle and application process of the utility model: when the staff needs to screen the natural sand, it can be transported to the top of the first screen 7 through the conveyor belt and the motor 20 can be started at the same time, and the convex roller can be driven by the motor 20 21 rotates, and the convex roller 21 is rotationally connected with the first screen 7 through the rotating shaft, so during the circular motion of the convex roller 21, the first screen 7 will move left and right and vibrate to screen the natural sand on the top , which improves the screening efficiency of the equipment for natural sieves, and drives the driving gear 18 to rotate during the start-up process of the motor 20, and the threaded screw 12 can be driven to rotate through the mutual meshing between the driving gear 18 and the driven gear 17. During the rotation of the threaded screw 12, the threaded sleeve 15 engaged on its outer wall can drive the mounting frame 4 to move laterally, thereby driving the scraper 6 below it to move horizontally together, effectively moving the first screen 7. The natural sand on the top is scraped flat, so that the first screen 7 can evenly screen the natural sand, avoiding that the natural sand is concentrated and screened from a certain place of the first screen 7 to cause its blockage, and the first screen 7 passes through the first screen 7 The screened natural sand will fall on the top of the second screen 13, because the first screen 7 has a certain distance from the second screen 13, so the natural sand will have a certain gravitational potential energy in the process of falling, and the second screen 7 will have a certain gravitational potential energy. The second screen 13 is inclined, so the natural sand can be screened twice, realizing the multi-stage screening of the screening machine, and meeting the needs of people.

Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes and modifications can be made to these embodiments without departing from the principle and spirit of the present invention , replacements and modifications, the scope of the present utility model is defined by the appended claims and their equivalents.

Claims (7)

1. A natural sand multistage vibratory screening machine, comprising a first screen frame (1), characterized in that: the bottom outer wall of the first screen frame (1) is fixedly connected with a support column (9), and the support column One end of (9) is fixedly connected with the second screen frame (14), and one side outer wall of the first screen frame (1) is fixedly connected with a motor (20), and the output end of the motor (20) is fixedly connected with a protruding roller (21), the inside of the first screen frame (1) is provided with a first screen (7), the bottom of the first screen (7) is fixedly connected with a riser (22), and the riser One side outer wall of (22) is rotatably connected with a rotating shaft, and the rotating shaft is fixedly connected with the convex roller (21), and the first screen (7) is provided with a sliding assembly at one end away from the convex roller (21), so The inside of the second screen frame (14) is fixedly connected with a second screen cloth (13), the second screen cloth (13) is inclined, and the first screen frame (1) and the second screen frame One side of (14) is provided with a first discharge chute (8) and a second discharge chute (10) respectively, and the outer wall of one side of the first screen frame (1) is fixedly connected with a control panel (2). 2. a kind of natural sand multistage vibratory screening machine according to claim 1, is characterized in that: the both sides inner wall of described first screen frame (1) is all fixedly connected with the first guide plate (3), so The cross-section of the first material guide plate (3) is broken line type, the first material guide plate (3) is arranged on the first screen (7), and the inner walls on both sides of the first screen frame (1) A second material guide plate (23) is fixedly connected, and the second material guide plate (23) is located below one end of the first screen (7). 3. A kind of natural sand multi-stage vibrating screening machine according to claim 1, characterized in that: said sliding assembly includes slide rails (24) fixedly connected to the inner walls of both sides of said first screen frame (1), The inside of the slide rail (24) is slidingly connected with a slide block (26), and the top of the slide block (26) is fixedly connected with a telescopic rod (25), and the output end of the telescopic rod (25) is movably connected to the On the bottom outer wall of the first screen (7). 4. a kind of natural sand multistage vibratory screening machine according to claim 1, is characterized in that: the one side outer wall of described first screen frame (1) is fixedly connected with fixed seat (19), and described fixed seat ( 19) being fixedly connected with the motor (20). 5. A kind of natural sand multistage vibratory screening machine according to claim 1, is characterized in that: the output end circumference outer wall of described motor (20) is fixedly connected with driving gear (18), and described driving gear (18) A driven gear (17) is meshed with the peripheral outer wall of the rim. 6. A kind of natural sand multi-stage vibrating screening machine according to claim 5, characterized in that: the outer wall of one side of the driven gear (17) is fixedly connected with a screw threaded mandrel (12), and the first screen The outer walls on both sides of the frame (1) are fixedly connected with horizontal plates (11), and the end of the threaded screw rod (12) away from the driven gear (17) is rotatably connected to one side of the horizontal plate (11) On the outer wall, a threaded sleeve (15) is engaged with the peripheral outer wall of the threaded screw rod (12). 7. a kind of natural sand multistage vibratory screening machine according to claim 6, is characterized in that: the top of described threaded sleeve (15) is fixedly connected with installation frame (4), and the top of described installation frame (4) The outer wall of the bottom is fixedly connected with an electric push rod (5), and the output end of the electric push rod (5) is fixedly connected with a scraper (6), and the scraper (6) is located on the side of the first screen (7). above.

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