CN220239254U

CN220239254U - Sand and stone screening device

Info

Publication number: CN220239254U
Application number: CN202321546365.5U
Authority: CN
Inventors: 庄乾娟
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-06-16
Filing date: 2023-06-16
Publication date: 2023-12-26
Anticipated expiration: 2033-06-16

Abstract

The utility model discloses a sand and stone screening device, which belongs to the field of screening devices and comprises a first filter screen, wherein a support is movably arranged below the first filter screen, a filter mechanism is movably arranged on the first filter screen and the support, the filter mechanism comprises a second discharge hopper, a roller, a movable groove, a speed reducing motor, an eccentric wheel, a first support rod, a second support rod, a spring, a sliding groove and a limiting plate, through the arranged filter mechanism, the discharge directions of the first filter screen and the second discharge hopper are opposite, fine sand and stone are separated from each other after filtration, mixing is avoided, the eccentric wheel is positioned at the bottom surface of the first filter screen, so that the first filter screen vibrates up and down, blocking is avoided, the limiting plate is movably moved, the distance between the limiting plate and the bottom surface of the first filter screen is regulated, the thickness of sand and stone flowing downwards is limited, sand and stone are filtered more fully on the first filter plate, a large amount of fine sand is avoided from being contained in the filtered sand and stone, and stone repeated filtration is avoided, and work efficiency is improved.

Description

Sand and stone screening device

Technical Field

The utility model relates to the field of screening devices, in particular to a sand and stone screening device.

Background

In the building construction process, one of the raw materials of concrete, grit need be screened, the grit that does not accord with the granule size requirement in the grit is screened, but current sieving mechanism in use, easy screening is not thoroughly, still contain a large amount of fine sand in the grit that has been screened, these fine sand can use, need screen once more, avoid extravagant, simultaneously sieving mechanism is in the screening process, mesh or sieve mesh are blocked by the grit easily, cause the filtration jam, consequently need improve.

Disclosure of Invention

The utility model mainly aims to provide a sand screening device which can effectively solve the problems in the background technology.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

the utility model provides a grit sieving mechanism, includes a filter sieve, below position movable mounting of a filter sieve has the support, movable mounting has filtering mechanism on a filter sieve and the support, the filter constructs including No. two play hoppers, gyro wheel, movable groove, gear motor, eccentric wheel, a bracing piece, no. two bracing pieces, spring, spout and limiting plate, no. two play hopper fixed mounting is on the support, and is located the below position of a filter sieve, gyro wheel fixed mounting is in the lower extreme position of support, the both sides position at the support is offered to the movable groove is fixed, gear motor fixed mounting is on the support, eccentric wheel fixed connection is on gear motor's output shaft, no. one bracing piece, no. two bracing pieces fixed connection are in the left and right both sides position of a filter sieve, and No. one bracing piece, no. two bracing pieces movable mounting are in the movable groove on the support, spring movable mounting is on No. one bracing piece, no. two bracing pieces, and is located the top position of support, the inboard position at a filter sieve is offered to the spout is fixed, no. two movable mounting is in the limiting plate bottom surface of a filter sieve.

Preferably, the filtering mechanism further comprises a first filtering hole, and the first filtering hole is fixedly arranged at the bottom surface of the first filtering screen.

Preferably, the filtering mechanism further comprises a connecting rod, one end of the connecting rod is fixedly connected with the support, and the other end of the connecting rod is fixedly connected with the second discharging hopper.

Preferably, the filtering mechanism further comprises a baffle and a limiting plate, the baffle is fixedly arranged on the first supporting rod and the second supporting rod, the baffle is located on the support, the spring is located between the baffle and the support, and the limiting plate is fixedly arranged at the lower end of the first supporting rod and the lower end of the second supporting rod.

Preferably, the filtering mechanism further comprises a cover plate, and the cover plate is fixedly installed at the upper end position of the limiting plate.

Preferably, the filtering mechanism further comprises a second filtering hole, and the second filtering hole is fixedly arranged on the limiting plate.

Compared with the prior art, the utility model has the following beneficial effects:

according to the utility model, through the arranged filtering mechanism, the discharging directions of the first filtering sieve and the second discharging hopper are opposite, so that fine sand and sand are mutually separated after filtering, mixing is avoided, the eccentric wheel is positioned at the bottom surface of the first filtering sieve, the eccentric wheel is continuously rotated, the first filtering sieve vibrates up and down, blocking is avoided, the limiting plate moves movably, the distance between the limiting plate and the bottom surface of the first filtering sieve is regulated, the thickness of the downward flowing sand is limited, the sand is filtered more fully on the first filtering plate, a large amount of fine sand is prevented from being contained in the filtered sand, repeated filtering is avoided, and the working efficiency is improved.

Drawings

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

FIG. 2 is a schematic structural view of a second hopper according to the present utility model;

fig. 3 is a schematic structural view of a first filter screen of the present utility model.

In the figure: 1. a first filtering screen; 2. a bracket; 3. a filtering mechanism; 301. a first filtering hole; 302. a second discharge hopper; 303. a connecting rod; 304. a roller; 305. a movable groove; 306. a speed reducing motor; 307. an eccentric wheel; 308. a first support rod; 309. a second support rod; 310. a baffle; 311. a spring; 312. a limiting plate; 313. a chute; 314. a limiting plate; 315. a cover plate; 316. and a second filtering hole.

Detailed Description

The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.

As shown in fig. 1-3, a sand screening device, including a filter screen 1, a support 2 is movably installed below the filter screen 1, a filter mechanism 3 is movably installed on the filter screen 1 and the support 2, the filter mechanism 3 includes a second discharge hopper 302, a roller 304, a movable slot 305, a gear motor 306, an eccentric wheel 307, a first supporting rod 308, a second supporting rod 309, a spring 311, a chute 313 and a limiting plate 314, the second discharge hopper 302 is fixedly installed on the support 2 and is located below the filter screen 1, the roller 304 is fixedly installed at the lower end of the support 2, the movable slot 305 is fixedly installed at two sides of the support 2, the chute 313 is fixedly installed at the inner side of the filter screen 1, the limiting plate 314 is movably installed in the chute 313, the filter mechanism 3 further includes a cover plate 315, the cover plate 315 is fixedly installed at the upper end of the limiting plate 314, the filter mechanism 3 further includes a second filtering hole 316, the second filtering hole 316 is fixedly installed on the limiting plate 314, the eccentric wheel 307 is continuously rotated, the first filtering screen 1 is easily pushed up and the lower supporting rod 308 is not blocked by vibration, and the first filtering hole is not blocked by the second filtering hole 309, and the first filtering hole is not blocked by vibration and the first filtering hole is not smoothly moved by the support 309.

The gear motor 306 is fixedly arranged on the bracket 2, the eccentric wheel 307 is fixedly connected on the output shaft of the gear motor 306, the first supporting rod 308 and the second supporting rod 309 are fixedly connected at the left side and the right side of the first filter screen 1, the first supporting rod 308 and the second supporting rod 309 are movably arranged in the movable groove 305 on the bracket 2, the spring 311 is movably arranged on the first supporting rod 308 and the second supporting rod 309 and is positioned at the upper position of the bracket 2, the eccentric wheel 307 is positioned at the bottom surface of the first filter screen 1, the filter mechanism 3 further comprises a first filter hole 301, the first filter hole 301 is fixedly arranged at the bottom surface of the first filter screen 1, the filter mechanism 3 further comprises a connecting rod 303, one end of the connecting rod 303 is fixedly connected with the bracket 2, the other end of the connecting rod 303 is fixedly connected with the second discharge hopper 302, the filter mechanism 3 further comprises a baffle 310 and a limiting plate 312, baffle 310 is fixedly mounted on a first supporting rod 308 and a second supporting rod 309, baffle 310 is positioned on a bracket 2, a spring 311 is positioned between baffle 310 and bracket 2, a limiting plate 312 is fixedly mounted at the lower end positions of first supporting rod 308 and second supporting rod 309, limiting plate 314 moves movably in a chute 313, the distance between the bottom surface of limiting plate 314 and first filter screen 1 is changed, the thickness of sand and stone after passing through limiting plate 314 is limited, so that sand and stone can be fully filtered on first filter screen 1, a second filter hole 316 is formed in limiting plate 314, limiting plate 314 can also filter part of sand and stone, second filter hole 316 is positioned at the upper position of limiting plate 314, when sand and stone between first filter screen 1 and limiting plate 314 are excessive, the height of sand and stone reaches the upper position of limiting plate 314, part of sand and stone can be filtered through second filter hole 316, the filtering speed of sand and stone is quickened, and too much fine sand is prevented from being accumulated.

It should be noted that, the present utility model is a sand screening device, the reducing motor 306 is started, so that the eccentric wheel 307 actively rotates, the eccentric wheel 307 is located at the bottom surface position of the first filter screen 1, the eccentric wheel 307 constantly rotates, the first filter screen 1 is jacked up and down, the first support rod 308 and the second support rod 309 move up and down in the active slot 305, when the first filter screen 1 is jacked up and down and reset, the spring 311 avoids the violent impact of the baffle 310 and the support 2, and the spring 311 is extruded and the spring 311 vibrates up and down, thereby enhancing the vibration effect of the first filter screen 1, avoiding blocking, fine sand in sand enters the second discharge hopper 302 downwards through the first filter hole 301, the second discharge hopper 302 tilts downwards, so that the sand and the sand removed from the first filter screen 1 are separated from each other, avoiding the mixing of the fine sand and the sand removed from the first filter screen 1, and simultaneously restricting the movable movement of the bottom surface of the first filter screen 1 in the chute 313, so that the distance between the bottom surface of the restriction plate 314 and the first filter screen 1 is changed, the filter screen 1 is increased, the filter efficiency is avoided by repeatedly restricting the fine sand and the fine sand in the first filter screen 1 by changing the thickness of the restriction plate, and the filter screen 1.

The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. The present utility model has been described in detail with particular reference to preferred embodiments thereof, but it should not be understood by those skilled in the art that the utility model is not limited thereto, but is capable of numerous changes, modifications, substitutions and alterations herein without departing from the spirit and scope of the utility model as defined by the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a grit sieving mechanism, includes a filter screen (1), below movable mounting of a filter screen (1) has support (2), its characterized in that: the first filter screen (1) and the bracket (2) are movably provided with a filter mechanism (3), the filter mechanism (3) comprises a second discharge hopper (302), a roller (304), a movable groove (305), a gear motor (306), an eccentric wheel (307), a first supporting rod (308), a second supporting rod (309), a spring (311), a sliding groove (313) and a limiting plate (314), the second discharge hopper (302) is fixedly arranged on the bracket (2) and is positioned below the first filter screen (1), the roller (304) is fixedly arranged at the lower end of the bracket (2), the movable groove (305) is fixedly arranged at two sides of the bracket (2), the gear motor (306) is fixedly arranged on the bracket (2), the eccentric wheel (307) is fixedly connected to the output shaft of the gear motor (306), the first supporting rod (308), the second supporting rod (309) is fixedly connected to the left side and the right side of the first filter screen (1), the first supporting rod (308), the second supporting rod (309) is movably arranged on the bracket (305) and is positioned in the bracket (308) and is movably arranged in the bracket (2), the chute (313) is fixedly arranged at the inner side of the first filter screen (1), the limiting plate (314) is movably arranged in the chute (313), and the eccentric wheel (307) is positioned at the bottom surface of the first filter screen (1).

2. A sand screening apparatus according to claim 1, wherein: the filtering mechanism (3) further comprises a first filtering hole (301), and the first filtering hole (301) is fixedly arranged at the bottom surface of the first filtering screen (1).

3. A sand screening apparatus according to claim 2, wherein: the filtering mechanism (3) further comprises a connecting rod (303), one end of the connecting rod (303) is fixedly connected with the support (2), and the other end of the connecting rod (303) is fixedly connected with the second discharging hopper (302).

4. A sand screening apparatus according to claim 3, wherein: the filtering mechanism (3) further comprises a baffle (310) and a limiting plate (312), the baffle (310) is fixedly installed on a first supporting rod (308) and a second supporting rod (309), the baffle (310) is located on the support (2), the spring (311) is located between the baffle (310) and the support (2), and the limiting plate (312) is fixedly installed at the lower end positions of the first supporting rod (308) and the second supporting rod (309).

5. The sand screening apparatus of claim 4, wherein: the filtering mechanism (3) further comprises a cover plate (315), and the cover plate (315) is fixedly arranged at the upper end position of the limiting plate (314).

6. A sand screening apparatus according to claim 5, wherein: the filtering mechanism (3) further comprises a second filtering hole (316), and the second filtering hole (316) is fixedly arranged on the limiting plate (314).