CN219051985U

CN219051985U - Drum screen convenient to replace

Info

Publication number: CN219051985U
Application number: CN202320029233.9U
Authority: CN
Inventors: 张扬; 秦国瑾; 杨昌海
Original assignee: Gejiu Datun Jingcui Nonferrous Metal Processing Factory
Current assignee: Gejiu Datun Jingcui Nonferrous Metal Processing Factory
Priority date: 2023-01-06
Filing date: 2023-01-06
Publication date: 2023-05-23
Anticipated expiration: 2033-01-06

Abstract

The utility model relates to the technical field of rotary screens, in particular to a rotary screen convenient to replace, which comprises a screen structure and an outer frame structure, wherein the screen structure comprises a screen cylinder body, and a plurality of evenly equidistant and annularly arranged vertical mounting slide columns are arranged on the outer wall of the screen cylinder body; the outer frame structure comprises a plurality of groups of outer ring frames which are arranged in parallel and longitudinal reinforcing ribs which are used for connecting the plurality of groups of outer ring frames into an integral structure, and the outer wall of the longitudinal reinforcing ribs is provided with a mounting chute which is matched with the section size of the mounting slide column in a sliding manner. According to the utility model, the installation sliding columns arranged on the outer wall of the screen cylinder body are in sliding fit with the installation sliding grooves on the longitudinal reinforcing ribs, so that the screen cylinder body with different apertures can be conveniently installed or detached, the screen cylinder body is convenient to use, the outer frame structure is composed of a plurality of groups of outer ring frames and the longitudinal reinforcing ribs, the installation stability of the screen cylinder body is improved, and the service life is prolonged.

Description

Drum screen convenient to replace

Technical Field

The utility model relates to the technical field of rotary screens, in particular to a rotary screen convenient to replace.

Background

The rotary screen mainly comprises a motor, a speed reducer, a rotary device, a frame, a sealing cover and a feed inlet and a discharge outlet. The working principle of the drum screen is as follows: the roller device is obliquely arranged on the frame, the motor is connected with the roller device through a coupler through a speed reducer, the roller device is driven to rotate around the axis of the motor, and after materials enter the roller device, the materials on the screen surface are overturned and rolled due to the inclination and rotation of the roller device, so that qualified materials, namely undersize products, are discharged through a discharge hole at the bottom of the rear end of the roller.

Publication (bulletin) number: CN211070844U discloses a rotary screen mesh, which consists of a plurality of groups of spiral grate bars which are spirally coaxial and equidistantly arranged and a plurality of groups of straight grate bars which are uniformly and parallelly arranged on the outer circumferential surface of the spiral grate bars along the circumferential direction of the spiral grate bars. The utility model is suitable for sieving large-sized materials and high-density materials, has relatively high impact strength, is not easy to deform under the impact of the large-sized materials, and prolongs the service life of the screen to a certain extent; because the grate bars inside the screen mesh of the drum screen are spiral, when the drum screen is horizontally arranged and rotated, materials can axially move along with the spiral line direction of the spiral grate bars, and the materials do not need to be moved forwards along the axial direction of the drum in a manner of inclining the drum, so that the installation space of equipment is small and the structure is compact.

Above-mentioned drum sieve screen cloth makes equipment installation space less and compact structure, but this drum sieve screen cloth structure as an organic whole, when needs change different aperture screen cloth, inconvenient change the screen cloth, and adopt individual layer net section of thick bamboo structure, the quality is poor, yielding.

Disclosure of Invention

The utility model aims to provide a rotary screen convenient to replace, so as to solve the problems that in the background technology, the rotary screen is inconvenient to replace, and a single-layer net drum structure is adopted, so that the quality is poor and the deformation is easy.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the rotary screen convenient to replace comprises a screen structure and an outer frame structure, wherein the screen structure comprises a screen cylinder body, and a plurality of evenly equidistant and annularly arranged vertical installation sliding columns are arranged on the outer wall of the screen cylinder body;

the outer frame structure includes the outer ring frame that sets up with a plurality of group parallel and is used for connecting the vertical strengthening rib of multiunit outer ring frame structure as an organic whole, vertical strengthening rib with the quantity of installation traveller is the same, set up on the outer wall of vertical strengthening rib with installation traveller cross-section size looks adaptation and sliding fit's installation spout, every the length of vertical strengthening rib all with the length of screen cloth barrel is the same.

Preferably, the cross sections of the installation slide column and the installation slide groove are all isosceles trapezoid structures.

Preferably, the top and the bottom of the outer wall of each installation sliding column are provided with installation screw holes, and the outer wall of each longitudinal reinforcing rib is provided with through holes which are the same in number, corresponding in position and adaptive in size with the installation screw holes.

Preferably, the installation sliding column sequentially passes through the through hole and the installation screw hole through the locking bolt to be connected to the longitudinal reinforcing rib through threads.

Preferably, connecting pins are arranged at two end parts of each outer ring frame, and fixing holes are formed in the connecting pins.

Preferably, fixing screw holes with the same number, corresponding positions and adaptive sizes as the fixing holes are formed in the side walls of the longitudinal reinforcing ribs.

Preferably, the outer ring frame sequentially passes through the fixing holes and the fixing screw holes through the mounting bolts to be connected to the longitudinal reinforcing ribs through threads.

Preferably, a bearing seat is embedded and installed on the bottom surface of the top seat.

Preferably, the top of the adjustment post is connected in the inner ring of the bearing housing.

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

1. in this drum sieve of convenient change, through sliding fit between the installation spout on installation traveller and the vertical strengthening rib that set up on screen cloth barrel outer wall, be convenient for install or dismantle, can change the screen cloth barrel in different apertures according to the production demand, convenient to use, outer frame structure is constituteed through a plurality of outer ring frames of group and vertical strengthening rib, improves the stability of screen cloth barrel installation, is difficult for taking place deformation, increase of service life.

2. In the rotary screen convenient to replace, the installation sliding column sequentially penetrates through the through hole and the installation screw hole through the locking bolt to be in threaded connection with the longitudinal reinforcing rib, so that the installation or the disassembly is convenient, and the stability is improved.

3. In the rotary screen convenient to replace, the outer ring frame sequentially passes through the fixing holes and the fixing screw holes through the mounting bolts to be in threaded connection with the longitudinal reinforcing ribs, so that the outer frame structure is convenient to assemble or disassemble, and after one group of the outer ring frames is damaged, the outer ring frames can be replaced independently, and the maintenance cost is saved.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain, however, the utility model.

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

FIG. 2 is a schematic side elevational view of the present utility model;

fig. 3 is a schematic side view of the lamp panel of the present utility model.

Meaning of each reference numeral in the drawings:

10. a screen structure; 11. a screen cylinder; 12. installing a sliding column; 13. installing a screw hole;

20. an outer frame structure; 21. an outer ring frame; 22. longitudinal reinforcing ribs; 23. installing a chute; 24. a through hole; 25. a connecting pin; 26. a fixing hole; 27. fixing the screw holes;

30. a locking bolt.

Detailed Description

The following description of embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. 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 understood that the terms "center", "vertical", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

1-3, a rotary screen convenient to replace comprises a screen structure 10 and an outer frame structure 20, wherein the screen structure 10 comprises a screen cylinder 11, and a plurality of evenly equidistant and annularly arranged vertical installation slide columns 12 are arranged on the outer wall of the screen cylinder 11; the outer frame structure 20 includes with a plurality of groups parallel arrangement's outer ring frame 21 and be used for connecting the vertical strengthening rib 22 of multiunit outer ring frame 21 structure as an organic whole, vertical strengthening rib 22 is the same with the quantity of installation traveller 12, set up on the outer wall of vertical strengthening rib 22 with installation traveller 12 cross-section size looks adaptation and sliding fit's installation spout 23, the length of every vertical strengthening rib 22 is the same with the length of screen cloth barrel 11, through sliding fit between the installation traveller 12 that sets up on screen cloth barrel 11 outer wall and the installation spout 23 on the vertical strengthening rib 22, be convenient for install or dismantle, can change the screen cloth barrel 11 of different apertures according to the production demand, convenient to use, outer frame structure 20 constitutes through a plurality of groups outer ring frame 21 and vertical strengthening rib 22, improve the stability of screen cloth barrel 11 installation, increase of service life.

It should be noted that the cross sections of the mounting slide post 12 and the mounting slide groove 23 are isosceles trapezoid structures.

Further, the top and the bottom of the outer wall of each installation slide column 12 are provided with installation screw holes 13, the outer wall of each longitudinal reinforcing rib 22 is provided with through holes 24 which are the same as the installation screw holes 13 in number, corresponding in position and adaptive in size, and the installation slide columns 12 sequentially penetrate through the through holes 24 and the installation screw holes 13 through locking bolts 30 to be connected to the longitudinal reinforcing ribs 22 in a threaded manner, so that the installation or the disassembly is convenient, and the stability is improved.

Specifically, both ends of each outer ring frame 21 are provided with connecting pins 25, fixing holes 26 are formed in the connecting pins 25, fixing screw holes 27 which are the same as the fixing holes 26 in number, corresponding in position and adaptive in size are formed in the side walls of the longitudinal reinforcing ribs 22, the outer ring frames 21 sequentially penetrate through the fixing holes 26 and the fixing screw holes 27 through mounting bolts to be connected to the longitudinal reinforcing ribs 22 in a threaded mode, assembly or disassembly of the outer frame structure 20 is facilitated, and after one group of outer ring frames 21 are damaged, the outer ring frames can be independently replaced, so that maintenance cost is saved.

The working principle of the rotary screen convenient to replace is as follows: during installation, an operator selects a single component of the screen cylinder body 11 with a proper aperture and the matched outer frame structure 20, the outer ring frame 21 sequentially passes through the fixing holes 26 and the fixing screw holes 27 through the mounting bolts to be connected to the longitudinal reinforcing ribs 22 in a threaded mode, then the installation sliding columns 12 of the screen cylinder body 11 are in sliding fit with the installation sliding grooves 23 on the longitudinal reinforcing ribs 22 to be installed, and then the installation sliding columns 12 sequentially pass through the through holes 24 and the installation screw holes 13 through the locking bolts 30 to be connected to the longitudinal reinforcing ribs 22 in a threaded mode, as shown in fig. 1.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present utility model, and are not intended to limit the utility model, and that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. A rotary screen convenient to replace, characterized in that: the novel screen structure comprises a screen structure (10) and an outer frame structure (20), wherein the screen structure (10) comprises a screen cylinder body (11), and a plurality of evenly and equidistantly annularly arranged vertical installation slide columns (12) are installed on the outer wall of the screen cylinder body (11);

the outer frame structure (20) comprises an outer ring frame (21) which is arranged in parallel with a plurality of groups and longitudinal reinforcing ribs (22) which are used for connecting the outer ring frames (21) into an integral structure, the number of the longitudinal reinforcing ribs (22) is the same as that of the installation slide columns (12), the outer walls of the longitudinal reinforcing ribs (22) are provided with installation slide grooves (23) which are matched with the section size of the installation slide columns (12) in a sliding fit manner, and the length of each longitudinal reinforcing rib (22) is the same as that of the screen cylinder (11).

2. The conveniently replaced trommel as claimed in claim 1, wherein: the sections of the installation slide column (12) and the installation slide groove (23) are isosceles trapezoid structures.

3. The conveniently replaced trommel as claimed in claim 1, wherein: the top and the bottom of the outer wall of each installation sliding column (12) are respectively provided with an installation screw hole (13), and the outer wall of each longitudinal reinforcing rib (22) is respectively provided with through holes (24) which are the same as the installation screw holes (13), correspond to each other in position and are matched with each other in size.

4. A conveniently replaced trommel according to claim 3 wherein: the mounting slide column (12) sequentially passes through the through hole (24) and the mounting screw hole (13) through the locking bolt (30) to be connected to the longitudinal reinforcing rib (22) in a threaded manner.

5. The conveniently replaced trommel as claimed in claim 1, wherein: connecting pins (25) are arranged at two end parts of each outer ring frame (21), and fixing holes (26) are formed in the connecting pins (25).

6. The conveniently replaced trommel as claimed in claim 5, wherein: the side walls of the longitudinal reinforcing ribs (22) are provided with fixing screw holes (27) which are the same as the fixing holes (26) in number, corresponding in position and adaptive in size.

7. The conveniently replaced trommel as claimed in claim 6, wherein: the outer ring frame (21) sequentially passes through the fixing holes (26) and the fixing screw holes (27) through the mounting bolts to be connected to the longitudinal reinforcing ribs (22) in a threaded mode.