CN219043460U

CN219043460U - Variable pitch drum screen separator

Info

Publication number: CN219043460U
Application number: CN202223513419.6U
Authority: CN
Inventors: 马平远; 周贤跃
Original assignee: Xuancheng Yueda Machinery Co ltd
Current assignee: Xuancheng Yueda Machinery Co ltd
Priority date: 2022-12-28
Filing date: 2022-12-28
Publication date: 2023-05-19
Anticipated expiration: 2032-12-28

Abstract

The utility model relates to the technical field of pill separating equipment, and discloses a variable pitch rotary screen separator, which comprises a conveyor, wherein the upper end of the conveyor is provided with a feed inlet, one end of the conveyor is provided with a screen box, a spiral blade is rotatably arranged in the conveyor, one end of the conveyor is provided with a driving device, the driving device can drive the spiral blade to rotate and convey pills, a rotary screen is arranged in the screen box, the outer side of the rotary screen is provided with meshes, the meshes become larger along with the advancing direction of materials, two sides of the lower end of the rotary screen are connected with supporting frames, the lower end of the rotary screen is provided with a cleaning device, the upper end of the cleaning device is contacted with the surface of the rotary screen, and the lower end of the screen box is perpendicular to the rotary screen and is provided with a discharge outlet. According to the utility model, the cleaning device is arranged, so that the cleaning strip can be driven to move through the rotation of the screw rod, meshes blocked outside the roller screen mesh are cleaned, the meshes are prevented from being blocked, the normal operation of the screen mesh is facilitated, and the screen mesh is ensured to be rapidly and effectively screened.

Description

Variable pitch drum screen separator

Technical Field

The utility model relates to the technical field of pill separation equipment, in particular to a variable-pitch rotary screen separator.

Background

The drum screen separator is a common separating device, and the pellets fall from the holes on the drum screen in the conveying process, so that different particle sizes in the pellets are separated through screening and are commonly used in many occasions such as mining equipment, metallurgical equipment, cement machinery, shot blasting equipment, sand blasting equipment and the like.

When the conventional variable-pitch rotary screen separator is used, pills fall from holes with different sizes on a rotary screen in the conveying process and are separated, the problem is that the pills are easy to clamp inside meshes of the screen in the falling process, so that the meshes are blocked, the screen cannot be normally screened and separated, and the normal operation of the screen is not facilitated.

Disclosure of Invention

The utility model mainly solves the technical problems existing in the prior art and provides a variable-pitch rotary screen separator.

In order to achieve the above purpose, the variable pitch drum screen separator comprises a conveyor, wherein two groups of racks are arranged at the lower end of the conveyor, a feed inlet is fixedly connected to the upper end of the conveyor, a screen box is arranged at one end of the conveyor, the conveyor is communicated with the inside of the screen box, a spiral blade is rotatably arranged in the conveyor, a driving device is arranged at one end of the conveyor, the driving device can drive the spiral blade to rotate and convey a pill material, a drum screen is arranged in the screen box, meshes are arranged on the outer side of the drum screen and become larger along with the advancing direction of the material, supporting frames are connected to two sides of the lower end of the drum screen, a cleaning device is arranged at the lower end of the drum screen, the upper end of the cleaning device is in contact with the surface of the drum screen, and a discharge outlet is arranged at the position of the lower end of the screen box perpendicular to the drum screen.

Further, cleaning device includes the lead screw, lead screw one end threaded connection has the installation strip, the installation strip upper end is equipped with the cleaning strip, installation strip upper end both sides are connected with the stabilizer bar, and the stabilizer bar upper end is connected with the cleaning strip, installation strip both ends fixedly connected with slider, driving motor is installed to lead screw one end through the screen cloth case, driving motor output and lead screw fixed connection.

Further, the cleaning strip is an arc-shaped rod, the bending curvature of the cleaning strip is consistent with that of the roller screen, the upper end of the cleaning strip is connected with bristles, and the bristles are contacted with the surface of the roller screen.

Further, two groups of guide plates are arranged inside the screen box, the guide plates are obliquely installed, and two ends of the guide plates are connected with the screen box.

Further, the discharge gate lower extreme is equipped with collects the frame, collects frame internally mounted and has the division board.

Advantageous effects

The utility model provides a variable-pitch rotary screen separator, which has the following beneficial effects:

(1) This variable pitch drum screen separator through setting up cleaning device, can drive clean strip through the lead screw rotation and remove, clear up the mesh that the drum screen cloth outside was blocked, avoids the mesh to block up, is favorable to the normal work of screen cloth, guarantees that the screen cloth is quick effectual to screen.

(2) This variable pitch drum sieve separator through being provided with the deflector at screen cloth incasement portion both ends, can guide the pellet material of whereabouts, ensures that the pellet material falls into corresponding collection frame inside smoothly, conveniently collects the classification to the pellet material.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It will be apparent to those skilled in the art from this disclosure that the drawings described below are merely exemplary and that other embodiments may be derived from the drawings provided without undue effort.

The structures, proportions, sizes, etc. shown in the present specification are shown only for the purposes of illustration and description, and are not intended to limit the scope of the utility model, which is defined by the claims, so that any structural modifications, proportional changes, or adjustments of size, which do not affect the efficacy of the utility model or the objects achieved, should fall within the scope of the utility model.

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

FIG. 2 is a schematic diagram illustrating the internal structure analysis of the present utility model;

FIG. 3 is a schematic view of a cleaning apparatus according to the present utility model.

Legend description:

1. a conveyor; 2. a frame; 3. a feed inlet; 4. a helical blade; 5. a screen box; 6. a roller screen; 7. a support frame; 8. a cleaning device; 9. a discharge port; 10. a collection frame; 11. a guide plate; 12. a screw rod; 13. a mounting bar; 14. a cleaning bar; 15. a stabilizer bar; 16. a slide block; 17. and driving the motor.

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.

Examples: the variable pitch drum screen separator comprises a conveyor 1, wherein the conveyor 1 is a cylindrical hollow shell, two groups of racks 2 are arranged at the lower end of the conveyor 1, the racks 2 are symmetrically arranged at two sides of the lower end of the conveyor 1, the upper end of the racks 2 is fixedly connected with the conveyor 1, a feed inlet 3 is fixedly welded at one side of the upper end of the conveyor 1, the feed inlet 3 is communicated with the interior of the conveyor 1, a screen box 5 is arranged at one end of the conveyor 1 far away from the feed inlet 3, the screen box 5 is a rectangular hollow shell, the screen box 5 is fixedly connected with the conveyor 1, an opening is arranged between the conveyor 1 and the screen box 5, a cavity in the conveyor 1 is communicated with the cavity in the screen box 5 through the opening, a rotating shaft is rotatably arranged in the conveyor 1, one end of the rotating shaft extends into the screen box 5, a helical blade 4 is arranged at the outer side of the rotating shaft, the inner side of the helical blade 4 is fixedly connected with the rotating shaft, the other end of the rotating shaft penetrates through the side wall of the conveyor 1 to be connected with a driving device, the driving device can drive the helical blade 4 to rotate to one side through the rotating shaft to convey the pill, a roller screen 6 is arranged in the screen box 5 and sleeved outside the helical blade 4, two ends of the roller screen 6 are connected with the inner wall of the screen box 5, meshes are arranged outside the roller screen 6, the meshes are changed from small to large along with the advancing direction of materials, the helical blade 4 can pass through the meshes to fall below under the influence of gravity in the process of conveying the pill, two sides of the lower end of the roller screen 6 are provided with supporting frames 7, the supporting frames 7 are fixedly connected with the roller screen 6, a cleaning device 8 is arranged at the lower end of the roller screen 6, the upper end of the cleaning device 8 is contacted with the roller screen 6, a plurality of groups of discharge ports 9 are formed at the position of the lower end of the screen box 5 perpendicular to the roller screen 6, in this embodiment, the number of the discharge holes 9 is three, two groups of guide plates 11 are arranged inside the screen box 5, the guide plates 11 are obliquely and symmetrically arranged on two sides of the bottom end inside the screen box 5, two ends of each guide plate 11 are connected with the screen box 5, the guide plates 11 can guide falling balls in the middle of each guide plate, so that the falling balls can fall conveniently, a collecting frame 10 is arranged at the lower end of the discharge hole 9, and multiple groups of partition plates are arranged inside the collecting frame 10 so as to store the balls with different sizes conveniently.

Further, as shown in fig. 3, the cleaning device 8 comprises a screw rod 12, the screw rod 12 is transversely installed at the lower end of the roller screen 6, two ends of the screw rod 12 are rotatably connected with the inner wall of the screen box 5, one end of the screw rod 12 is provided with a mounting bar 13, the mounting bar 13 is of a bar-shaped bar structure, a threaded through hole is formed in the center of the mounting bar 13, the mounting bar 13 is in threaded connection with the screw rod 12 through a threaded hole, a cleaning bar 14 is arranged at the upper end of the mounting bar 13, the cleaning bar 14 is an arc-shaped bar, the bending curvature of the cleaning bar 14 is consistent with that of the roller screen 6, bristles are fixedly connected with the arc-shaped surface of the upper end of the cleaning bar 14, the bristles are in contact with the surface of the roller screen 6, two sides of the upper end of the mounting bar 13 are provided with stabilizing bars 15, the stabilizing bars 15 are obliquely installed, the upper ends of the stabilizing bars 15 are connected with the cleaning bar 14, two ends of the mounting bar 13 are fixedly connected with sliding blocks 16, sliding grooves are formed in the inner wall of the screen box 5 relative to the sliding blocks 16, the sliding grooves are formed in the sliding grooves, one end of the screw rod 12 penetrates through the screen box 5, a driving motor 17 is fixedly installed in the screen box 5, and the output end of the driving motor 17 is fixedly connected with the screw rod 12.

The working principle of the utility model is as follows: when the device is used, the power supply of the device is started, the pill to be screened is conveyed to the inside of the conveyor 1 through the feed inlet 3, the driving device drives the helical blade 4 to rotate to convey the pill to the inside of the roller screen 6, the pill is screened through meshes at the lower end of the roller screen 6 along with the conveying of the pill by the helical blade 4, the screened pill is guided by the guide plate 11, the dropped pill is guided to the center and finally passes through the discharge hole 9 to fall into the inside of the collecting frame 10, the power supply of the cleaning device 8 is connected in the screening process, the output end of the driving motor 17 drives the screw rod 12 to rotate, the mounting bar 13 is driven to move along with the rotation of the screw rod 12, and the cleaning brush at the upper end of the cleaning bar 14 is driven to clean meshes of the roller screen 6 in the moving process of the mounting bar 13, so that the pill in the meshes is cleaned out and the screening is participated again. Through setting up cleaning device 8, can rotate through lead screw 12 and drive clean strip 14 and remove, clear up the mesh that cylinder screen cloth 6 outside was blocked, avoid the mesh to block up, be favorable to the normal work of screen cloth, guarantee that the screen cloth is quick effectual to screen. Through being provided with deflector 11 at screen cloth case 5 inside both ends, can guide the pellet material that falls, ensure that the pellet material falls into corresponding collection frame 10 inside smoothly, conveniently collect categorised pellet material.

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. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in 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 variable pitch drum screen separator, includes conveyer (1), two sets of frames (2) are installed to conveyer (1) lower extreme, conveyer (1) upper end fixedly connected with feed inlet (3), conveyer (1) one end is equipped with screen cloth case (5), and conveyer (1) are linked together with screen cloth case (5) is inside, conveyer (1) internal rotation installs helical blade (4), and drive arrangement is installed to conveyer (1) one end, and drive arrangement can drive helical blade (4) and rotate and carry the ball material, its characterized in that: the novel automatic cleaning device is characterized in that a roller screen (6) is arranged inside the screen box (5), meshes are formed in the outer side of the roller screen (6) and are changed from small to large along with the advancing direction of materials, supporting frames (7) are connected to two sides of the lower end of the roller screen (6), a cleaning device (8) is arranged at the lower end of the roller screen (6), the upper end of the cleaning device (8) is in contact with the surface of the roller screen (6), and a discharge hole (9) is formed in the position, perpendicular to the roller screen (6), of the lower end of the screen box (5).

2. The variable pitch trommel separator as claimed in claim 1, wherein: cleaning device (8) are including lead screw (12), lead screw (12) one end threaded connection has installation strip (13), installation strip (13) upper end is equipped with clean strip (14), installation strip (13) upper end both sides are connected with stabilizer bar (15), and stabilizer bar (15) upper end is connected with clean strip (14), installation strip (13) both ends fixedly connected with slider (16), driving motor (17) are installed in screen cloth case (5) are passed to lead screw (12) one end, driving motor (17) output and lead screw (12) fixed connection.

3. The variable pitch trommel separator as claimed in claim 2, wherein: the cleaning strip (14) is an arc-shaped rod, the bending curvature of the cleaning strip (14) is consistent with that of the roller screen (6), the upper end of the cleaning strip (14) is connected with bristles, and the bristles are contacted with the surface of the roller screen (6).

4. The variable pitch trommel separator as claimed in claim 1, wherein: two groups of guide plates (11) are arranged inside the screen box (5), the guide plates (11) are obliquely arranged, and two ends of each guide plate (11) are connected with the screen box (5).

5. The variable pitch trommel separator as claimed in claim 1, wherein: the lower end of the discharge hole (9) is provided with a collecting frame (10), and a partition plate is arranged in the collecting frame (10).