CN216321756U

CN216321756U - Modular ring die pressing roller structure of ring die granulator

Info

Publication number: CN216321756U
Application number: CN202122933981.3U
Authority: CN
Inventors: 陆敏; 刘春华; 于栋; 沈业亭; 史泽鹏
Original assignee: Jiangsu Zhengchang Cereal And Feed Machinery Co ltd
Current assignee: Jiangsu Zhengchang Cereal And Feed Machinery Co ltd
Priority date: 2021-11-26
Filing date: 2021-11-26
Publication date: 2022-04-19
Anticipated expiration: 2031-11-26

Abstract

The utility model belongs to the technical field of ring die granulators, and particularly relates to a modular ring die compression roller structure of a ring die granulator, which comprises a ring die main body, a compression roller and a bushing, wherein a plurality of internal teeth are sequentially arranged on the inner wall of the ring die main body in the rotating direction of the ring die main body; the ring die main body comprises a plurality of ring die modules which are sequentially spliced in the rotating direction of the ring die main body, a first fixing ring is arranged at one end of the ring die main body, a second fixing ring is arranged at the other end of the ring die main body, and the first fixing ring and the second fixing ring are fixedly connected with the ring die modules; the bush includes first wear-resisting portion, first wear-resisting portion sets up adjacently between the internal tooth, it has a plurality of second wear-resisting portions to extend on the first wear-resisting portion, the second wear-resisting portion inserts in the nib of the ring mould main part that corresponds, run through on the bush have with nib assorted shaping hole.

Description

Modular ring die pressing roller structure of ring die granulator

Technical Field

The utility model belongs to the technical field of ring die granulators, and particularly relates to a modular ring die pressing roller structure of a ring die granulator.

Background

The main working components of the ring die granulator are a ring die and a compression roller, the common ring die granulator presses powdery materials into granules, and the working principle of the granulator is that the materials are grabbed and extruded into die holes of the ring die to be extruded and formed by means of relative motion between the compression roller and the ring die, and then the granules with required lengths are cut by a cutter. The ring die and the compression roller are the most important parts of the ring die granulator, and the performance of the ring die and the compression roller directly determines the quality of the ring die granulator.

The existing ring die and compression roller have the following defects: 1. in the using process, the ring die is the most easily worn part, mainly the inner wall and the die hole of the ring die are easily worn, the granulating effect is deteriorated until the ring die cannot be used, the service life is short, and the ring die needs to be frequently replaced; 2. the ring mould is of an integral structure, and the whole ring mould needs to be replaced every time, so that the cost is high; 3. the ring die and the compression roller are not mechanically matched and are easy to slip, and the granulating efficiency is low.

The existing ring die has high maintenance and use cost and low granulation efficiency, and influences the production efficiency and profit of enterprises. With the development of the feed industry, the requirement of customers on the index of the ring die granulator is higher and higher, and the traditional ring die pressing roller structure is not suitable for the current use requirement.

SUMMERY OF THE UTILITY MODEL

The utility model provides a modular ring die pressing roller structure of a ring die granulator, which aims to solve the problems of high replacement cost of a ring die and low ring die granulating efficiency in the prior art.

In order to solve the technical problem, the technical scheme adopted by the utility model is that the modular ring die pressing roller structure of the ring die granulator comprises a ring die main body, a pressing roller and a bush, wherein a plurality of internal teeth are sequentially arranged on the inner wall of the ring die main body in the rotating direction of the ring die main body, and a plurality of external teeth meshed with the internal teeth are arranged on the outer wall of the pressing roller in the rotating direction of the pressing roller; the ring die main body comprises a plurality of ring die modules which are sequentially spliced in the rotating direction of the ring die main body, a first fixing ring is arranged at one end of the ring die main body, a second fixing ring is arranged at the other end of the ring die main body, and the first fixing ring and the second fixing ring are fixedly connected with the ring die modules; the bush includes first wear-resisting portion, first wear-resisting portion sets up adjacently between the internal tooth, it has a plurality of second wear-resisting portions to extend on the first wear-resisting portion, the second wear-resisting portion inserts in the nib of the ring mould main part that corresponds, run through on the bush have with nib assorted shaping hole.

Preferably, both ends of the ring die main body are provided with positioning ring grooves, the first fixing ring and the second fixing ring are respectively sleeved on the corresponding positioning ring grooves, and the first fixing ring and the second fixing ring are fixedly connected with the ring die module through connecting screws. The assembly of the ring die main body is convenient.

Preferably, the first wear-resistant portion is in interference fit with the adjacent inner teeth, and two ends of the first wear-resistant portion abut against the inner end face of the first fixing ring and the inner end face of the second fixing ring respectively. The assembling of the bush is convenient, and the bush is reliably attached to the inner wall of the ring die main body under the action of centrifugal force when the ring die main body works.

Further, the number of the ring module is eight. The number of the ring die modules is moderate, so that the ring die main body is convenient to assemble, and the replacement and maintenance cost is reduced.

Furthermore, the number of the compression rollers is two, and the two compression rollers are distributed at intervals along the same diameter of the ring die main body. Further improving the granulation efficiency.

Furthermore, the periphery of the second fixing ring is provided with a mounting conical surface and is connected with the granulator through a hoop. The ring die main body is convenient to mount to the granulator.

Has the advantages that:

1. according to the modular ring die pressing roller structure of the ring die granulator, the ring die main body is composed of the plurality of modular ring die modules, when the ring die main body is worn or damaged (such as metal impurities enter) in the using process, only the worn or damaged part of the ring die modules can be replaced, the whole ring die main body does not need to be replaced, and the maintenance cost is greatly reduced;

2. according to the modular ring die pressing roller structure of the ring die granulator, the lining is arranged on the ring die main body, so that the inner wall and the die hole of the ring die main body are effectively protected, and the lining can be replaced independently without replacing the whole ring die main body after being worn, so that the maintenance cost is greatly reduced;

3. according to the modular ring die pressing roller structure of the ring die granulator, the forming holes of the lining are used as new die holes, the forming holes with different diameters, depths and shapes can be manufactured to meet the requirement of producing particles with different diameters and compression ratios, the adaptability is strong, and the cost of adaptability change is low;

4. according to the modular ring die compression roller structure of the ring die granulator, the inner wall of the ring die main body is in tooth-type fit with the compression roller, so that the transmission efficiency is high, the compression roller does not slip, and the performance and the granulation efficiency of the granulator are effectively improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

FIG. 1 is a schematic perspective view of a modular ring die press roll configuration of the ring die pelletizer of the present invention;

FIG. 2 is a schematic view in radial cross section of the modular ring die press roll configuration of the ring die pelletizer of the present invention;

FIG. 3 is an axial cross-sectional schematic view of a modular ring die press roll configuration of the ring die pelletizer of the present invention;

in the figure: 1. the ring die comprises a ring die main body, 11, a ring die module, 111, internal teeth, 2, a compression roller, 21, external teeth, 3, a lining, 31, a first wear-resistant part, 32, a second wear-resistant part, 33, a forming hole, 4, a first fixing ring, 41, a threaded hole, 5, a second fixing ring, 51 and an installation conical surface.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the utility model, its application, or uses. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Examples

As shown in fig. 1 to 3, a modular ring die pressing roller structure of a ring die granulator comprises a ring die main body 1, pressing rollers 2 and a bushing 3, wherein a plurality of internal teeth 111 are sequentially arranged on the inner wall of the ring die main body 1 around the rotation direction of the ring die main body, a plurality of external teeth 21 meshed with the internal teeth 111 are arranged on the outer wall of the pressing rollers 2 around the rotation direction of the pressing rollers, the number of the pressing rollers 2 in this embodiment is two, and the two pressing rollers 2 are distributed at intervals along the same diameter of the ring die main body 1; the ring die main body 1 comprises a plurality of ring die modules 11, the plurality of ring die modules 11 are sequentially spliced around the rotation direction of the ring die main body 1, the number of the ring die modules 11 is eight in the embodiment, a first fixing ring 4 is arranged at one end of the ring die main body 1, a second fixing ring 5 is arranged at the other end of the ring die main body 1, and the first fixing ring 4 and the second fixing ring 5 are fixedly connected with the ring die modules 11; the bush 3 includes first wear-resisting portion 31, first wear-resisting portion 31 sets up adjacently between the internal tooth 111, it has a plurality of second wear-resisting portions 32 to extend on the first wear-resisting portion 31, second wear-resisting portion 32 inserts in the nib of the corresponding ring die main part 1, run through on the bush 3 with nib assorted shaping hole 33.

In order to facilitate the assembly of the ring die main body 1 and the bush 3, in this embodiment, the first wear-resistant portion 31 is in interference fit with the adjacent inner teeth 111, and two ends of the first wear-resistant portion 31 respectively abut against an inner end face of the first fixing ring 4 and an inner end face of the second fixing ring 5; positioning ring grooves are formed in two ends of the ring die main body 1, the first fixing ring 4 and the second fixing ring 5 are respectively sleeved on the corresponding positioning ring grooves, the first fixing ring 4 and the second fixing ring 5 are fixedly connected with the ring die module 11 through connecting screws, and threaded holes 41 matched with the connecting screws are formed in the first fixing ring 4 and the second fixing ring 5; the periphery of the second fixing ring 5 is provided with a mounting conical surface 51 which is connected with a granulator through a hoop.

The assembly process of the modular ring die pressing roller structure is as follows:

firstly, sequentially arranging a plurality of bushings 3 between two corresponding inner teeth 111, inserting the second wear-resistant parts 32 into corresponding die holes, forming a whole by the plurality of bushings 3 and the corresponding ring die modules 11 until the bushings 3 are assembled in the eight ring die modules 11, fixedly connecting the eight ring die modules 11 with a first fixing ring 4 and a second fixing ring 5 in sequence by using connecting screws to complete the assembly of a whole ring die main body 1, matching and connecting the hoops and the installation conical surfaces 51 with a granulator, and simultaneously meshing the outer teeth 21 of the press roll 2 with the inner teeth 111 of the ring die main body 1; when some bushings 3 or ring die modules 11 are worn or damaged, only the corresponding bushings 3 or ring die modules 11 need to be replaced.

When the modular ring die pressing roller structure works, the ring die main body 1 rotates to drive the pressing roller 2 to rotate, the angular speeds of the pressing roller 2 are different, a rotating speed difference is formed, materials are captured, compressed and extruded, and the materials are extruded from the forming holes 33 to form particle materials.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The utility model provides a modularization ring die mould roller structure of ring die granulator which characterized in that: the ring die comprises a ring die main body (1), a press roller (2) and a lining (3), wherein a plurality of internal teeth (111) are sequentially arranged on the inner wall of the ring die main body (1) in the rotating direction of the ring die main body, and a plurality of external teeth (21) meshed with the internal teeth (111) are arranged on the outer wall of the press roller (2) in the rotating direction of the press roller; the ring die comprises a ring die main body (1) and is characterized in that the ring die main body (1) comprises a plurality of ring die modules (11), the ring die modules (11) are sequentially spliced in the rotating direction of the ring die main body (1), a first fixing ring (4) is arranged at one end of the ring die main body (1), a second fixing ring (5) is arranged at the other end of the ring die main body (1), and the first fixing ring (4) and the second fixing ring (5) are fixedly connected with the ring die modules (11); bushing (3) are including first wear-resisting portion (31), first wear-resisting portion (31) set up adjacently between internal tooth (111), it has a plurality of second wear-resisting portions (32) to extend on first wear-resisting portion (31), second wear-resisting portion (32) insert in the nib of corresponding ring die main part (1), run through on bushing (3) have with nib assorted shaping hole (33).

2. The modular ring die press roll structure of a ring die pelletizer as set forth in claim 1, wherein: the both ends of ring mould main part (1) all are provided with the positioning ring groove, the solid fixed ring of first solid fixed ring (4) and second (5) cover is established respectively on the positioning ring groove that corresponds, gu fixed ring of first solid fixed ring (4) and second (5) all through connecting screw and ring mould module (11) fixed connection.

3. The modular ring die press roll structure of a ring die granulator according to claim 1 or 2, wherein: first wear-resisting portion (31) with adjacent internal tooth (111) interference fit, the both ends of first wear-resisting portion (31) are supported respectively and are leaned on the interior terminal surface of first solid fixed ring (4) and the interior terminal surface of second solid fixed ring (5).

4. The modular ring die press roll structure of a ring die granulator according to claim 1 or 2, wherein: the number of the ring die modules (11) is eight.

5. The modular ring die press roll structure of a ring die granulator according to claim 1 or 2, wherein: the number of the compression rollers (2) is two, and the two compression rollers (2) are distributed at intervals along the same diameter of the ring die main body (1).

6. The modular ring die press roll structure of a ring die granulator according to claim 1 or 2, wherein: the periphery of the second fixing ring (5) is provided with a mounting conical surface (51) and is connected with the granulator through a hoop.