阅读说明：本技术 一种耐磨挤压辊及使用该耐磨挤压辊的辊压机 (Wear-resisting squeeze roller and roll squeezer using same ) 是由 杨威 张海燕 魏炜 张永生 于 2020-06-08 设计创作，主要内容包括：本发明涉及挤压设备领域,具体涉及一种耐磨挤压辊及使用该耐磨挤压辊的辊压机。耐磨挤压辊,包括辊体,辊体上分布有耐磨柱钉,辊体的外周上设有将耐磨柱钉定位限制在辊体上的限位板,限位板上设有堆焊层,限位板上分布有连接孔,耐磨柱钉呈螺旋线状分布在辊体上,耐磨柱钉具有向外悬伸凸出于堆焊层的外侧的凸出部,耐磨柱钉的凸出部之间的间隔形成用于容纳物料的容纳空间,在工作过程中,容纳空间会储存一定量的物料,这些物料就能够与其他的物料相互作用形成摩擦,从而使物料颗粒变小,同时,耐磨柱钉的头部直接和物料接触,保证对物料的挤压效果,由于堆焊层被物料“保护”起来,避免过度磨损,提高了挤压辊的使用寿命。(The invention relates to the field of extrusion equipment, in particular to a wear-resistant extrusion roller and a roller press using the same. Wear-resisting squeeze roll, including the roll body, it has wear-resisting stud to distribute on the roll body, be equipped with the limiting plate with wear-resisting stud location restriction on the roll body in the periphery of roll body, be equipped with the surfacing layer on the limiting plate, it has the connecting hole to distribute on the limiting plate, wear-resisting stud is the spiral line form and distributes on the roll body, wear-resisting stud has the bulge of outside overhang protrusion in the outside of surfacing layer, interval formation between the bulge of wear-resisting stud is used for holding the accommodation space of material, in the course of the work, an amount of material can be stored in accommodation space, these materials just can form the friction with other material interact, thereby make the material granule diminish, and simultaneously, wear-resisting stud's head is direct and the material contact, guarantee the extrusion effect to the material, because the surfacing layer is got up by material "protection", avoid excessive wearing and tearing, the life of squeeze roll.)

1. The utility model provides a wear-resisting squeeze roll, includes the roll body that the axis extends along fore-and-aft direction, its characterized in that: the utility model discloses a roll body, including roll body, roller body, limiting plate, build-up layer, connecting hole, wear-resisting stud, protruding portion, interval formation between the protruding portion of wear-resisting stud and the holding space who is used for holding the material, it has wear-resisting stud to distribute in the periphery of roll body wear-resisting stud location restriction is in limiting plate on the roll body, be equipped with the build-up layer on the limiting plate, it has and is used for supplying to distribute on the limiting plate the build-up layer with the connecting hole that the roll body is connected, wear-resisting stud is the spiral line form and distributes on the roll body, wear-resisting stud have outside overhang.

2. A wear-resistant squeeze roll according to claim 1, characterized in that: the convex part comprises a vertical section extending along the vertical direction and a straight section arranged at the middle position of the convex part, and the vertical section and the straight section are connected through a smooth transition of an inclined section.

3. A wear-resistant squeeze roll according to claim 2, characterized in that: the lower extreme of wear-resisting stud is equipped with the extension platform of outside extension, the limiting plate passes through extend platform card dress wear-resisting stud.

4. A wear-resistant squeeze roll according to claim 3, characterized in that: the lower end of the wear-resistant stud is provided with a hemispherical positioning part, and the diameter of the hemispherical positioning part is larger than that of the wear-resistant stud, so that the upper end of the hemispherical positioning part forms the extension table.

5. A wear-resistant squeeze roll according to any one of claims 1 to 4, characterized in that: the material of roll body is low carbon steel, the material of limiting plate is medium carbon steel, the material of surfacing layer is high carbon steel, the material of wear-resisting stud is carbide.

6. Roller press, including frame and two squeeze roll that sets up relatively in the frame, squeeze roll includes the roll body that the axis extends along the fore-and-aft direction, its characterized in that: the utility model discloses a roll body, including roll body, roller body, limiting plate, build-up layer, interval between the bulge of wear-resisting stud, the periphery of roll body is gone up to distribute has wear-resisting stud, is equipped with in the periphery of roll body will wear-resisting stud location restriction is in limiting plate on the roll body, be equipped with the build-up layer on the limiting plate, it has and is used for the confession to distribute on the limiting plate the build-up layer with the connecting hole that the roll body is connected, wear-resisting stud is the spiral line and distributes on the roll body, wear-resisting stud have outside overhang protrusion in the bulge in the outside of build-up layer, interval between the bulge of wear-resisting.

7. The roller press according to claim 6, characterized in that: the convex part comprises a vertical section extending along the vertical direction and a straight section arranged at the middle position of the convex part, and the vertical section and the straight section are connected through a smooth transition of an inclined section.

8. The roller press according to claim 7, characterized in that: the lower extreme of wear-resisting stud is equipped with the extension platform of outside extension, the limiting plate passes through extend platform card dress wear-resisting stud.

9. The roller press according to claim 8, characterized in that: the lower end of the wear-resistant stud is provided with a hemispherical positioning part, and the diameter of the hemispherical positioning part is larger than that of the wear-resistant stud, so that the upper end of the hemispherical positioning part forms the extension table.

10. The roller press according to any one of claims 6 to 9, characterized in that: the material of roll body is low carbon steel, the material of limiting plate is medium carbon steel, the material of surfacing layer is high carbon steel, the material of wear-resisting stud is carbide.

Technical Field

The invention relates to the field of extrusion equipment, in particular to a wear-resistant extrusion roller and a roller press using the same.

Background

In the mine, coal, metallurgy and chemical industry, various ores need to be ground by using a roller press. The main working part in the roller press is the squeeze roll, and it is direct and material contact extrudees, and work load is big, inevitably can appear wearing and tearing inefficacy's phenomenon, consequently, in the roller press field, how to improve the life-span of squeeze roll is the problem that needs solve urgently.

Disclosure of Invention

The invention provides a wear-resistant squeeze roller, which aims to solve the problem that the service life of the existing squeeze roller is short; meanwhile, the invention also provides a roller press using the extrusion roller.

The wear-resistant squeeze roller adopts the following technical scheme:

the utility model provides a wear-resisting squeeze roll, includes the roll body that the axis extends along the fore-and-aft direction, it has wear-resisting stud to distribute in the periphery of roll body, be equipped with in the periphery of roll body with wear-resisting stud location restriction is in limiting plate on the roll body, be equipped with the resurfacing layer on the limiting plate, it has the confession to distribute on the limiting plate the resurfacing layer with the connecting hole that the roll body is connected, wear-resisting stud is spiral line-shaped and distributes on the roll body, wear-resisting stud have outside overhang protrusion in the bulge in the outside of resurfacing layer, interval between the bulge of wear-resisting stud forms the accommodation space that is used for holding the material.

The convex part comprises a vertical section extending along the vertical direction and a straight section arranged at the middle position of the convex part, and the vertical section and the straight section are connected through a smooth transition of an inclined section.

The lower extreme of wear-resisting stud is equipped with the extension platform of outside extension, the limiting plate passes through extend platform card dress wear-resisting stud.

The lower end of the wear-resistant stud is provided with a hemispherical positioning part, and the diameter of the hemispherical positioning part is larger than that of the wear-resistant stud, so that the upper end of the hemispherical positioning part forms the extension table.

The material of roll body is low carbon steel, the material of limiting plate is medium carbon steel, the material of surfacing layer is high carbon steel, the material of wear-resisting stud is carbide.

The roller press adopts the following technical scheme:

roller press, be in including frame and two the squeeze roll of relative setting in the frame, the squeeze roll includes the axis and follows the roll body that the fore-and-aft direction extends, it has wear-resisting stud to distribute in the periphery of roll body, is equipped with in the periphery of roll body with wear-resisting stud location restriction is in limiting plate on the roll body, be equipped with the build-up layer on the limiting plate, it has the confession to distribute on the limiting plate the build-up layer with the connecting hole that the roll body is connected, wear-resisting stud is the spiral line and distributes on the roll body, wear-resisting stud have outside overhang protrusion in the bulge in the outside of build-up layer, interval formation between the bulge of wear-resisting stud is used for holding the accommodation space of material, and the spiral of two squeeze rolls is to the same.

The convex part comprises a vertical section extending along the vertical direction and a straight section arranged at the middle position of the convex part, and the vertical section and the straight section are connected through a smooth transition of an inclined section.

The lower extreme of wear-resisting stud is equipped with the extension platform of outside extension, the limiting plate passes through extend platform card dress wear-resisting stud.

The lower end of the wear-resistant stud is provided with a hemispherical positioning part, and the diameter of the hemispherical positioning part is larger than that of the wear-resistant stud, so that the upper end of the hemispherical positioning part forms the extension table.

The material of roll body is low carbon steel, the material of limiting plate is medium carbon steel, the material of surfacing layer is high carbon steel, the material of wear-resisting stud is carbide.

The invention has the beneficial effects that: the invention relates to a wear-resistant squeeze roller, which comprises a roller body, wherein the axis of the roller body extends along the front-back direction, wear-resistant studs are distributed on the periphery of the roller body, a limiting plate for positioning and limiting the wear-resistant studs on the roller body is arranged on the periphery of the roller body, a surfacing layer is arranged on the limiting plate, connecting holes for connecting the surfacing layer and the roller body are distributed on the limiting plate, the wear-resistant studs are distributed on the roller body in a spiral shape, each wear-resistant stud is provided with a protruding part which protrudes out of the surfacing layer in an overhanging manner, and an accommodating space for accommodating materials is formed by the protruding parts of the wear-resistant studs at intervals, so that a certain amount of materials can be stored in the accommodating space during the working process, and can interact with other materials to form friction, thereby reducing material particles, meanwhile, the head of each wear-resistant stud directly contacts with the materials to ensure the squeezing effect on the materials, excessive abrasion is avoided, and the service life of the squeeze roller is prolonged.

Drawings

In order to more clearly illustrate the embodiments of the present invention 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, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic view of a wear-resistant squeeze roll in an embodiment of a roller press of the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

FIG. 3 is a schematic structural view of the wear stud of FIG. 1;

FIG. 4 is a perspective view of FIG. 3;

FIG. 5 is a perspective view of the roller body;

FIG. 6 is a front view of FIG. 5;

FIG. 7 is a perspective view of a stopper plate;

FIG. 8 is an enlarged view of a portion of FIG. 7 at B;

in the figure: 1. a roller body; 2. a limiting plate; 3. overlaying a welding layer; 4. wear-resistant stud nails; 21. connecting holes; 41. an extension stage; 42. a hemispherical positioning portion; l1, vertical section; l2, inclined section; l3, straight section; 11. a keyway; 12. positioning a groove; 13. spiral spacing; 22. stud holes.

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. 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.

The embodiment of the roller press disclosed by the invention is shown in fig. 1 to 8, and comprises a frame and two squeeze rollers which are oppositely arranged on the frame, wherein each squeeze roller comprises a roller body 1, the axis of each squeeze roller extends along the front-back direction, wear-resistant studs 4 are distributed on the periphery of each roller body 1, a limiting plate 2 which is used for positioning and limiting each wear-resistant stud 4 on each roller body 1 is arranged on the periphery of each roller body 1, a surfacing layer 3 is arranged on each limiting plate 2, connecting holes 21 used for connecting the surfacing layer 3 with the corresponding roller body 1 are distributed on each limiting plate 2, the wear-resistant studs 4 are distributed on the roller bodies 1 in a spiral shape, each wear-resistant stud 4 is provided with a protruding portion which protrudes outwards and protrudes out of the surfacing layer 3, an accommodating space used for accommodating materials is formed between the protruding portions of the wear-resistant studs 4, and the spiral directions. In the working process, the rotation directions of the two squeeze rollers are opposite, so that the direction of the spiral line of the squeeze rollers is matched, the materials form fault flow, namely the conveying directions of the two squeeze rollers to the materials are opposite, the materials between the two squeeze rollers can slide in a translation mode relatively, and the interaction degree between the materials is improved.

In the present embodiment, the protrusion includes a vertical section L1 extending in the vertical direction and a straight section L3 disposed at a middle position of the protrusion, and the vertical section L1 and the straight section L3 are smoothly transited and connected by an inclined section L2. The corresponding change in accommodation space's cross-section is made to the shape of bulge, even make accommodation space have vertical section L1 and slope section L2, vertical section L1 has guaranteed to hold a certain amount of material, and slope section L2 mainly can make the material in the transfer process, guide the material to vertical section L1 in, simultaneously, because the guide of the spiral distribution of wear-resisting stud 4, also be convenient for guide out the material in the vertical section, improve the homogeneity of material. And straight section L3 is mainly used for direct contact with the material, improves the effort to the material to improve the homogeneity of material granule.

In order to facilitate the installation of the wear-resistant stud 4, in this embodiment, the lower end of the wear-resistant stud 4 is provided with an extension table 41 extending outwards, and the limiting plate 2 clamps the stud through the extension table 41. Limiting plate 2 specifically adopts the shaping of perforated plate coiling, and its effect is at the in-process of processing squeeze roll, through limiting plate 2 with wear-resisting stud restriction on roll body 1, realize the preliminary location of wear-resisting stud like this, then, build-up welding is carried out again, until forming build-up welding layer 3.

In order to facilitate the positioning of the stud, in the present embodiment, the lower end of the stud is provided with a hemispherical positioning portion 42, and the diameter of the hemispherical positioning portion 42 is larger than that of the wear-resistant stud so that the upper end thereof forms an extension stage 41. The hemispherical rotation positioning part is adopted, so that a good centering effect can be achieved, and the processing and manufacturing precision is improved.

The roller body 1 is made of low-carbon steel, the limiting plate 2 is made of medium-carbon steel, the surfacing layer 3 is made of high-carbon steel, and the wear-resistant stud is made of hard alloy. The limiting plate is made of medium carbon steel, so that the limiting plate plays a role in transitional connection between the surfacing layer 3 and the roller body 1, and the phenomenon that the surfacing layer and the roller body fall off and lose effectiveness due to overlarge material component difference is avoided.

According to the wear-resistant squeeze roller, in the working process, a certain amount of materials can be stored in the containing space, and can interact with other materials to form friction, so that material particles are reduced, meanwhile, the head of the wear-resistant stud is directly contacted with the materials, the squeezing effect on the materials is guaranteed, the overlaying layer is protected by the materials, excessive wear is avoided, and the service life of the squeeze roller is prolonged; the spiral distribution of wear-resisting stud makes accommodation space also be spiral distribution, can carry out the spiral guide to the material like this in extrusion process to because the direction of guide is opposite, make the material relative slip, form and rub the effect, improve material homogeneity.

In other embodiments of the present invention, the protruding portion of the wear stud may also be directly provided as a cylindrical structure; the extension table 41 may also be constituted by a ring table provided on the outer periphery of the wear-resistant stud; the lower end of the wear-resistant stud can also be of a conical structure.

In the embodiment of the wear-resistant squeeze roller of the present invention, the structure of the wear-resistant squeeze roller is the same as that of the wear-resistant squeeze roller in the embodiment of the roller press, and details are not repeated herein.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.