CN219943610U - Screening machine - Google Patents

Abstract

The utility model relates to the technical field of screening devices, in particular to a screening machine. The technical proposal comprises: the top layer screen cylinder, the middle layer screen cylinder and the bottom layer screen cylinder comprise a baffle plate which plays a role in blocking between the middle layer screen cylinder and the bottom layer screen cylinder; the device comprises a height adjusting mechanism for separating a middle layer screen drum from a bottom layer screen drum so as to install a baffle plate, wherein the height adjusting mechanism comprises a first fixed ear block and a second fixed ear block which are respectively fixed at the upper end and the lower end of the bottom layer screen drum, a motor fixed between one pair of the first fixed ear block and the second fixed ear block, and a third fixed ear block fixed at the bottom end of the middle layer screen drum. According to the utility model, through the design that the baffle plate is arranged between the middle layer screen cylinder and the bottom layer screen cylinder, the material circulation between the middle layer screen cylinder and the bottom layer screen cylinder can be blocked, so that the screening layer number is reduced; through the design of heightening mechanism, can let middle level screen cylinder and the vertical separation of bottom screen cylinder to the dismouting baffle of being convenient for, this process need not whole screening machine of dismouting, and is more easy operation.

Description

Screening machine

Technical Field

The utility model relates to the technical field of screening devices, in particular to a screening machine.

Background

The sieving machine utilizes the relative motion of the granular materials and the sieving surface to enable partial particles to penetrate through sieve holes, and the materials such as glass beads, sand and the like are divided into different levels of vibration sieving mechanical equipment according to particle sizes. After the material gets into the screening machine, the material that is less than the sieve mesh size sees through the sieve mesh, and the material that is greater than the sieve mesh size is discharged constantly from the sifter, can realize multilayer screening when the screening machine sets up a plurality of sifters.

The screen surface number of the existing screening machine is preset, and if the number of screening layers is to be adjusted by changing the screen surface number, redundant screen surfaces are required to be removed or the screen surfaces are additionally added, so that the operation is very inconvenient.

Therefore, the utility model provides a screening machine to solve the problem that the screening layer number is not easy to adjust.

Disclosure of Invention

The utility model aims to solve the problems in the background art and provides a screening machine.

The technical scheme of the utility model is as follows: screening machine, including top layer screen bowl, middle level screen bowl and bottom screen bowl, still include:

a blocking plate for blocking between the middle layer screen cylinder and the bottom layer screen cylinder;

let middle level screen drum, bottom screen drum separation so that install the mechanism of heightening of baffle, wherein the mechanism of heightening is including being fixed in first fixed ear piece and the second fixed ear piece of bottom screen drum upper and lower both ends respectively, be fixed in motor and the third fixed ear piece of being fixed in middle level screen drum bottom between a pair of first fixed ear piece and the second fixed ear piece, the output shaft fixed connection of motor can with third fixed ear piece screwed connection's screw thread axle, another the upper surface fixed connection direction polished rod of second fixed ear piece, the direction polished rod runs through with the third fixed ear piece activity that is located its top.

Optionally, the upper surface fixed connection location earmuff of baffle, the fixed connection of second fixed ear piece upper surface can with the location axle of location earmuff activity cup joint.

Optionally, the top layer screen cylinder bottom sets up the top layer screen plate, the middle level screen cylinder bottom sets up the middle level screen plate, the bottom screen cylinder bottom sets up the bottom screen plate.

Optionally, the top layer screen cylinder, the middle layer screen cylinder and the bottom layer screen cylinder are all provided with lower part discharge openings, and the middle layer screen cylinder and the bottom layer screen cylinder are all provided with upper part discharge openings.

Optionally, the baffle plate is provided with a discharge port which can be aligned with the upper discharge port.

Optionally, the fifth fixed ear piece of middle level screen cylinder top fixed connection, the fourth fixed ear piece of top layer screen cylinder bottom fixed connection, pass through spacing spiral shell axle fixed connection between fourth fixed ear piece and the fifth fixed ear piece.

Optionally, the baffle plate is provided with a groove for containing materials, and the groove is communicated with the discharge port.

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

according to the utility model, through the design that the baffle plate is arranged between the middle layer screen cylinder and the bottom layer screen cylinder, the material circulation between the middle layer screen cylinder and the bottom layer screen cylinder can be blocked, so that the screening layer number is reduced; through the design of heightening mechanism, can let middle level screen cylinder and the vertical separation of bottom screen cylinder to the dismouting baffle of being convenient for, this process need not whole screening machine of dismouting, and is more easy operation.

Drawings

FIG. 1 is a schematic diagram of a screen machine;

FIG. 2 is a cross-sectional view of FIG. 1;

fig. 3 is a schematic diagram of a separation structure of the middle layer screen drum and the bottom layer screen drum in fig. 1.

Reference numerals: 1. a top layer screen drum; 11. a top layer sieve plate; 12. a fourth fixed ear;

2. a middle layer screen drum; 21. a middle layer sieve plate; 22. a fifth fixed ear;

3. a bottom layer screen drum; 31. a bottom layer sieve plate;

4. a baffle plate; 41. a discharge port;

5. a height adjusting mechanism; 51. a first fixed ear; 52. a second fixed ear; 53. a motor; 54. a threaded shaft; 55. a third fixed ear piece; 56. guiding a polished rod;

6. positioning the earmuffs;

7. positioning a shaft;

81. a lower discharge port; 82. an upper discharge opening; 9. and limiting the screw shaft.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific direction, be configured and operated in the specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "provided," "connected," and the like are to be construed broadly, and may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Examples

As shown in fig. 1 to 3, the screening machine provided by the utility model comprises a top layer screen cylinder 1, a middle layer screen cylinder 2 and a bottom layer screen cylinder 3. The top screen 11 with larger screen holes is arranged at the bottom end of the top screen drum 1, the middle screen 21 with medium screen holes is arranged at the bottom end of the middle screen drum 2, and the bottom screen 31 with small screen holes is arranged at the bottom end of the bottom screen drum 3. The top layer screen cylinder 1, the middle layer screen cylinder 2 and the bottom layer screen cylinder 3 are respectively provided with a lower discharge hole 81 which is aligned with the top layer screen plate 11, the middle layer screen plate 21 and the bottom layer screen plate 31. The middle layer screen cylinder 2 and the bottom layer screen cylinder 3 are respectively provided with an upper discharge hole 82.

The device comprises a baffle plate 4 which plays a role in blocking between a middle layer screen drum 2 and a bottom layer screen drum 3, wherein the baffle plate 4 is provided with a groove for containing materials, the groove is communicated with a discharge port 41, and the discharge port 41 is aligned with an upper discharge port 82;

comprises a height adjusting mechanism 5 for separating the middle layer screen drum 2 and the bottom layer screen drum 3 so as to install the baffle plate 4, wherein the height adjusting mechanism 5 comprises a first fixed lug 51 fixed at the bottom end of the bottom layer screen drum 3 and a second fixed lug 52 fixed at the top end of the bottom layer screen drum 3. A motor 53 is fixedly connected between the pair of first fixed ear blocks 51 and the pair of second fixed ear blocks 52, a third fixed ear block 55 is fixedly connected to the bottom end of the middle layer screen drum 2, and an output shaft of the motor 53 is fixedly connected with a threaded shaft 54 which can be in spiral connection with the third fixed ear block 55. The upper surface of the other second fixed ear block 52 is fixedly connected with a guiding polish rod 56, and the guiding polish rod 56 is movably penetrated with a third fixed ear block 55 positioned above the guiding polish rod 56.

The upper surface of the baffle plate 4 is fixedly connected with a pair of positioning earmuffs 6, and the upper surface of the second fixed ear block 52 is fixedly connected with a positioning shaft 7 which can be movably sleeved with the positioning earmuffs 6.

The top end of the middle layer screen drum 2 is fixedly connected with a pair of fifth fixed ear blocks 22, the bottom end of the top layer screen drum 1 is fixedly connected with a fourth fixed ear block 12, and the fourth fixed ear block 12 and the fifth fixed ear block 22 are provided with bolt holes matched with the limiting screw shaft 9.

The working principle of the embodiment is as follows: by the design that the baffle plate 4 is arranged between the middle layer screen cylinder 2 and the bottom layer screen cylinder 3, the material circulation between the middle layer screen cylinder 2 and the bottom layer screen cylinder 3 can be blocked, so that the screening layer number is reduced; through the design of heightening mechanism 5, can let middle level screen cylinder 2 and the vertical separation of bottom screen cylinder 3 to dismouting baffle 4 of being convenient for, this process need not the whole screening machine of dismouting, and is more easy operation.

Specifically, the output shaft of the motor 53 drives the threaded shaft 54 to rotate, the threaded shaft 54 drives the middle layer screen drum 2 to move upwards through the spiral connection with the third fixed ear block 55, so that a larger gap appears between the middle layer screen drum 2 and the bottom layer screen drum 3, the baffle plate 4 is placed on the upper surface of the bottom layer screen drum 3 through the gap, the positioning shaft 7 vertically penetrates through the positioning ear sleeve 6 to position the baffle plate 4, and the discharge hole 41 exactly corresponds to the upper discharge hole 82 at the top end of the bottom layer screen drum 3. During screening, materials enter the top layer screen cylinder 1 through a feed inlet at the top of the top layer screen cylinder 1 to be screened in one layer, then the materials subjected to two-layer screening are screened through the middle layer screen plate 21, and the materials subjected to two-layer screening fall onto the baffle plate 4 and do not enter the bottom layer screen cylinder 3 to be screened in three layers. The material on the baffle plate 4 falls to an upper discharge port 82 at the top end of the bottom screen drum 3 through a discharge port 41, and is discharged through the upper discharge port 82.

The above-described embodiments are merely a few alternative embodiments of the present utility model, and many alternative modifications and combinations of the above-described embodiments will be apparent to those skilled in the art based on the technical solutions of the present utility model and the related teachings of the above-described embodiments.

Claims (7)

1. Screening machine, including top layer screen bowl (1), middle level screen bowl (2) and bottom layer screen bowl (3), its characterized in that still includes:

a blocking plate (4) which plays a blocking role between the middle layer screen cylinder (2) and the bottom layer screen cylinder (3);

let the separation of middle level screen cylinder (2), bottom screen cylinder (3) so that install the mechanism (5) that increases of baffle (4), wherein increase mechanism (5) including be fixed in first fixed ear piece (51) and second fixed ear piece (52) of bottom screen cylinder (3) upper and lower both ends respectively, be fixed in motor (53) between a pair of first fixed ear piece (51) and second fixed ear piece (52) and be fixed in third fixed ear piece (55) of middle level screen cylinder (2) bottom, the output shaft fixed connection of motor (53) can with third fixed ear piece (55) screwed connection's screw mandrel (54), another the upper surface fixed connection direction polished rod (56) of second fixed ear piece (52), direction polished rod (56) are run through with the third fixed ear piece (55) that are located its top.

2. The screening machine according to claim 1, wherein the upper surface of the baffle plate (4) is fixedly connected with a positioning earcap (6), and the upper surface of the second fixed ear block (52) is fixedly connected with a positioning shaft (7) which can be movably sleeved with the positioning earcap (6).

3. The screening machine according to claim 1, wherein a top screen plate (11) is arranged at the bottom end of the top screen cylinder (1), a middle screen plate (21) is arranged at the bottom end of the middle screen cylinder (2), and a bottom screen plate (31) is arranged at the bottom end of the bottom screen cylinder (3).

4. A screening machine according to claim 3, wherein the top layer screen cylinder (1), the middle layer screen cylinder (2) and the bottom layer screen cylinder (3) are provided with lower discharge openings (81), and the middle layer screen cylinder (2) and the bottom layer screen cylinder (3) are provided with upper discharge openings (82).

5. A screening machine according to claim 4, wherein the baffle plate (4) is provided with a discharge opening (41) which is alignable with the upper discharge opening (82).

6. The screening machine according to claim 1, wherein a fifth fixed ear block (22) is fixedly connected to the top end of the middle layer screen drum (2), a fourth fixed ear block (12) is fixedly connected to the bottom end of the top layer screen drum (1), and the fourth fixed ear block (12) is fixedly connected with the fifth fixed ear block (22) through a limiting screw shaft (9).

7. A screening machine according to claim 4, wherein the baffle plate (4) is provided with a recess for holding material, which recess communicates with the discharge opening (41).