CN218167682U

CN218167682U - Coarse sand screening machine

Info

Publication number: CN218167682U
Application number: CN202222464465.5U
Authority: CN
Inventors: 李观幅; 李轩中; 赖春霞
Original assignee: Wuchuan Yuanming Silica Sand Co ltd
Current assignee: Wuchuan Yuanming Silica Sand Co ltd
Priority date: 2022-09-16
Filing date: 2022-09-16
Publication date: 2022-12-30
Anticipated expiration: 2032-09-16

Abstract

The utility model relates to the technical field of coarse sand screening machines, in particular to a coarse sand screening machine, which comprises a screening box body, wherein the upper end of the screening box body is provided with a feeding pipe, one side of the lower end of the screening box body is provided with a first discharge port, the other side of the lower end of the screening box body is provided with a second discharge port, and a screening mechanism with a cleaning function is arranged in the screening box body; the annular screen who constantly rocks sieves coarse sand, make the great coarse sand of granule stay on the annular screen, the annular screen conveys the great coarse sand of granule to the tripod and goes out, because the relative annular screen of tripod is removed, consequently the tripod scrapes the great coarse sand of granule from the annular screen, and fall into in the screening box, discharge through discharge gate one, the cellosilk on the brush simultaneously will continuous friction annular screen, avoid the sieve mesh on the finer coarse sand jam annular screen.

Description

Coarse sand screening machine

Technical Field

The utility model relates to a coarse sand screening machine technical field specifically is a coarse sand screening machine.

Background

The screening machine is a vibrating screening mechanical device which utilizes the relative movement of bulk materials and a screen surface to make partial particles penetrate through screen holes and divide materials such as sand, gravel, broken stone and the like into different grades according to the particle size, the screening process of the screening machine is generally continuous, and after screening raw materials are fed onto the screening machine, the materials smaller than the size of the screen holes penetrate through the screen holes and are called undersize products; material larger than the mesh size is continuously discharged from the screen surface and called oversize product.

In urban construction, can use a large amount of coarse sand, current screening machine is when screening coarse sand, and the mechanism that rocks through the screening machine is inside makes the continuous rocking of screen cloth, and the screen cloth of rocking realizes the screening to coarse sand, because coarse sand is more moist, and the screen cloth sieves coarse sand for a long time, and the mesh on the screen cloth can be blockked up to the thinner granule in the coarse sand, influences the screening of screen cloth to coarse sand.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a coarse sand screening machine to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above purpose, the utility model provides a following technical scheme: a coarse sand screening machine comprises a screening box body, wherein a feeding pipe is arranged at the upper end of the screening box body, a first discharge port is formed in one side of the lower end of the screening box body, a second discharge port is formed in the other side of the lower end of the screening box body, and a screening mechanism with a cleaning function is arranged in the screening box body;

screening mechanism includes the transmission post, and the transmission post sets up two sets ofly, and two sets of transmission posts all rotate to connect the ring screen, and the transmission post both ends connect two sets of curb plates soon, sets up two sets of baffles between two sets of transmission posts, and the guiding axle is connected to the baffle, and the spring is established to the cover on a set of guiding axle, sets up the brush in the ring screen, and the tripod is connected to the brush, and a set of transmission post connection actuating mechanism.

Preferably, actuating mechanism includes the transmission shaft, sets up L shape pole on the transmission shaft, and L shape pole one end is the equal angle and is set up six tooth groups, and tooth both ends set up two sets of bevels.

Preferably, two groups of bearings are arranged at two ends of the transmission column, and the bearings are embedded into the side plates.

Preferably, the side plate is provided with a first rectangular hole, the first rectangular hole is connected with the guide shaft in a sliding mode, and one end of the guide shaft is fixedly connected with the inner wall of the screening box body.

Preferably, the two ends of the brush are fixedly connected with the inner wall of the screening box body, a rectangular hole II is arranged in one end of the group of transmission columns, and the rectangular hole II is connected with the transmission shaft in an inserting mode.

Preferably, the transmission shaft is provided with a bearing, the bearing is embedded into the screening box body, and the six groups of teeth are fixed on one group of side plates.

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

1. coarse sand is added into the annular screen through the feeding pipe, then the motor drives the transmission shaft to rotate, the transmission shaft drives a group of transmission columns to rotate through the two rectangular holes, the group of transmission columns drives the annular screen to perform reciprocating transmission, the annular screen drives the coarse sand to move towards the tripod, meanwhile, the transmission shaft drives the L-shaped rod to rotate, the end part of the L-shaped rod extrudes the inverted inclined plane on the tooth, so that one group of side plate slides along one group of guide shafts, the other group of side plate slides along the other group of guide shafts through the transmission columns, the spring is compressed, meanwhile, the transmission column drives the annular screen to move until the end part of the L-shaped rod staggers the inverted inclined plane, the annular screen moves back under the action of the counter-elastic force of the spring, therefore, the annular screen continuously shakes back and forth along with the rotation of the end part of the L-shaped rod around the six groups of teeth, and the screening of the moving coarse sand is achieved.

2. The annular screen who constantly rocks sieves coarse sand, make the great coarse sand of granule stay on the annular screen, the annular screen conveys the great coarse sand of granule to the tripod and goes out, because the relative annular screen of tripod is removed, consequently the tripod scrapes the great coarse sand of granule from the annular screen, and fall into in the screening box, discharge through discharge gate one, the cellosilk on the brush simultaneously will continuous friction annular screen, avoid the sieve mesh on the finer coarse sand jam annular screen.

Drawings

Fig. 1 is a schematic view of the present invention.

Fig. 2 is a schematic sectional view of the present invention.

Fig. 3 is the assembly schematic diagram of the screening mechanism of the utility model.

FIG. 4 is an enlarged view taken at A in FIG. 3;

fig. 5 is a schematic view of the combination of the brush and the tripod of the present invention.

In the figure: 1. screening the box body; 2. a feed pipe; 3. a first discharge hole; 4. a discharge hole II; 5. a screening mechanism; 501. a drive post; 502. an annular screen; 503. a side plate; 504. a baffle plate; 505. a guide shaft; 506. a spring; 507. a brush; 508. a tripod; 509. a drive mechanism; 91. a drive shaft; 92. an L-shaped rod; 93. teeth; 94. and (4) chamfering the inclined plane.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 5, the present invention provides a technical solution: a coarse sand screening machine comprises a screening box body 1, a feeding pipe 2 is arranged at the upper end of the screening box body 1, a first discharge port 3 is formed in one side of the lower end of the screening box body 1, a second discharge port 4 is formed in the other side of the lower end of the screening box body 1, a screening mechanism 5 with a cleaning function is arranged in the screening box body 1, the screening mechanism 5 comprises two groups of transmission columns 501, the two groups of transmission columns 501 are respectively rotatably connected with an annular screen 502, two ends of each transmission column 501 are rotatably connected with two groups of side plates 503, two groups of baffles 504 are arranged between the two groups of transmission columns 501, the baffles 504 are connected with guide shafts 505, springs 506 are sleeved on one group of guide shafts 505, one group of transmission columns 501 is connected with a driving mechanism 509, the driving mechanism 509 comprises a transmission shaft 91, an L-shaped rod 92 is arranged on the transmission shaft 91, six groups of teeth 93 are arranged at equal angles at one end of the L-shaped rod 92, two inverted inclined planes 94 are arranged at two ends of the teeth 93, two groups of bearings are arranged at two ends of the transmission columns 501, the side plates 503 are embedded into the side plates 503, the side plate 503 is provided with a first rectangular hole, the first rectangular hole is slidably connected with a guide shaft 505, one end of the guide shaft 505 is fixedly connected with the inner wall of the screening box body 1, two ends of a brush 507 are fixedly connected with the inner wall of the screening box body 1, a second rectangular hole is arranged in one end of a group of transmission columns 501, the second rectangular hole is inserted into the transmission shaft 91, a bearing is arranged on the transmission shaft 91 and is embedded into the screening box body 1, six groups of teeth 93 are all fixed on the group of side plate 503, wherein the end part of an L-shaped rod 92 is a spherical surface, the lower ends of a baffle 504, the brush 507 and a tripod 508 are all attached to the inner ring of the annular screen 502, the annular screen 502 is woven by a plurality of groups of steel wires, the transmission shaft 91 is driven by a motor, when coarse sand needs to be screened, the coarse sand is added into the annular screen 502 through a feeding pipe 2, then the motor drives the transmission shaft 91 to rotate, the transmission shaft 91 drives the group of transmission columns 501 to rotate through the second rectangular hole, the group of transmission columns 501 drive the circular screen 502 to perform reciprocating transmission, the circular screen 502 drives coarse sand to move towards the tripod 508, the transmission shaft 91 drives the L-shaped rod 92 to rotate, the end part of the L-shaped rod 92 presses the inverted inclined plane 94 on the teeth 93, so that the group of side plates 503 slide along the group of guide shafts 505, the group of side plates 503 drive the other group of side plates 503 to slide along the other group of guide shafts 505 through the transmission columns 501, the springs 506 are compressed, the transmission columns 501 drive the circular screen 502 to move simultaneously until the end part of the L-shaped rod 92 is staggered with the inverted inclined plane 94, the circular screen 502 moves back under the action of the counterforce of the springs 506, and therefore the circular screen 502 continuously shakes along with the rotation of the end part of the L-shaped rod 92 around the six groups of teeth 93, the moving coarse sand is screened, fine coarse sand passes through the circular screen 502, and then flows out through the discharge port II 4.

The annular screen 502 is internally provided with a brush 507, the brush 507 is connected with a tripod 508, a plurality of groups of fiber filaments are distributed at the lower end of the brush 507, the plurality of groups of fiber filaments are tightly attached to the inner ring of the annular screen 502, the annular screen 502 which continuously shakes screens coarse sand, the coarse sand with larger particles is left on the annular screen 502, the annular screen 502 conveys the coarse sand with larger particles to the tripod 508, and the tripod 508 moves relative to the annular screen 502, so the tripod 508 scrapes the coarse sand with larger particles from the annular screen 502 and falls into the screening box 1, the coarse sand is discharged through a discharge port I3, meanwhile, the fiber filaments on the brush 507 continuously rub the annular screen 502, and screen holes on the annular screen 502 are prevented from being blocked by the fine coarse sand.

In the using process, coarse sand is added into the circular screen 502 through the feeding pipe 2, then the motor drives the transmission shaft 91 to rotate, the transmission shaft 91 drives one group of transmission columns 501 to rotate through two rectangular holes, one group of transmission columns 501 drives the circular screen 502 to perform reciprocating transmission, the circular screen 502 drives the coarse sand to move towards the triangular support 508, the transmission shaft 91 drives the L-shaped rod 92 to rotate, the end part of the L-shaped rod 92 presses the inverted inclined surface 94 on the teeth 93, one group of side plates 503 slides along one group of guide shafts 505, one group of side plates 503 slides the other group of side plates 503 along the other group of guide shafts 505 through the transmission columns 501, the spring 506 is compressed, the transmission column 501 drives the circular screen 502 to move simultaneously, the end part of the L-shaped rod 92 is staggered with the inverted inclined surface 94, the circular screen 502 moves back under the reverse elasticity of the spring 506, therefore, the circular screen 502 continuously shakes along with the rotation of the end part of the L-shaped rod 92 around the six groups of teeth 93, the circular screen 502 continuously shakes, the continuously shaky circular screen 502 screens the coarse sand 502 screen screens the coarse sand, large coarse sand is left on the circular screen 502, the large coarse sand particles 508 are conveyed to the circular screen 502, the large coarse sand, the circular screen 502 is discharged from the circular screen 508 through the circular screen 508, and the triangular support 502, the circular screen 502, the large fiber particles in the circular screen 502 are discharged from the circular screen 508, and the triangular support 502, the triangular support 502 are discharged by the circular screen 502, and the circular screen 502, the triangular support, and the triangular support 502, the fiber particles 508, and the triangular support 502 are scraped.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a coarse sand screening machine, includes screening box (1), screening box (1) upper end sets up inlet pipe (2), and discharge gate one (3) are seted up to screening box (1) lower extreme one side, and discharge gate two (4), its characterized in that are seted up to screening box (1) lower extreme opposite side: a screening mechanism (5) with a cleaning function is arranged in the screening box body (1);

screening mechanism (5) are including transmission post (501), transmission post (501) sets up two sets ofly, and is two sets of transmission post (501) all rotates and connects annular screen cloth (502), transmission post (501) both ends connect two sets of curb plates (503) soon, and are two sets of set up two sets of baffle (504) between transmission post (501), guide shaft (505), a set of are connected to baffle (504) the cover is established spring (506) on guide shaft (505), set up brush (507) in annular screen cloth (502), tripod (508), a set of are connected to brush (507) actuating mechanism (509) is connected to transmission post (501).

2. The coarse sand screening machine according to claim 1, wherein: actuating mechanism (509) includes transmission shaft (91), set up L shape pole (92) on transmission shaft (91), L shape pole (92) one end is the angle such as, sets up six tooth (93) of group, tooth (93) both ends set up two sets of inclined planes (94) of falling.

3. The coarse sand screening machine according to claim 1, wherein: two groups of bearings are arranged at two ends of the transmission column (501), and the bearings are embedded into the side plates (503).

4. The coarse sand screen machine according to claim 1, wherein: the side plate (503) is provided with a first rectangular hole, the first rectangular hole is connected with a guide shaft (505) in a sliding mode, and one end of the guide shaft (505) is fixedly connected with the inner wall of the screening box body (1).

5. The coarse sand screening machine according to claim 1, wherein: the inner wall of screening box (1) is fixed connection in brush (507) both ends, and is a set of transmission post (501) one end embeds rectangular hole two, and rectangular hole two grafting transmission shaft (91).

6. The coarse sand screening machine according to claim 2, wherein: the transmission shaft (91) is provided with a bearing, the bearing is embedded into the screening box body (1), and the six groups of teeth (93) are fixed on one group of side plates (503).