CN217568944U

CN217568944U - Wear-resisting element, wear-resisting roller shaft and roller press with wear-resisting roller shaft

Info

Publication number: CN217568944U
Application number: CN202221495905.7U
Authority: CN
Inventors: 何亚民; 魏勇; 徐智平
Original assignee: Chengdu Leejun Industrial Co Ltd
Current assignee: Chengdu Leejun Industrial Co Ltd
Priority date: 2022-06-13
Filing date: 2022-06-13
Publication date: 2022-10-14
Anticipated expiration: 2032-06-13

Abstract

The utility model discloses a wear-resisting roll squeezer of wear-resisting component, wear-resisting roller and roller relates to roll squeezer technical field, wear-resisting component, include with material direct contact's work portion and make work portion connect in the assembly portion of roller supporting part, work portion butt in the terminal surface of supporting part, the one end of work portion is located to the assembly portion to at least match with the circumference curved surface of supporting part, be equipped with a plurality of pilot holes that match with the connecting piece in the assembly portion. The utility model provides a pair of wear-resisting component, wear-resisting roller and roller wear-resisting roll squeezer has solved conventional roll surface + keeps off the poor and uneven problem of atress of ring structure through setting up wear-resisting component and supporting part, has effectively prolonged wear-resisting component's life to the extrusion effect when having improved the material and passing through the roller.

Description

Wear-resisting element, wear-resisting roller shaft and roller press with wear-resisting roller shaft

Technical Field

The utility model relates to a roll squeezer technical field, concretely relates to wear-resisting roll squeezer of wear-resisting component, wear-resisting roller and roller.

Background

In the production process of the traditional industries such as building material cement, metallurgical mine, chemical industry and the like, the grinding power consumption accounts for 60-70% of the total power consumption, the high energy consumption and the low efficiency are the old and difficult problems of the industries such as building material cement, metallurgical mine, chemical industry and the like, and the improvement of the economic benefit of enterprises and the large-scale production scale are seriously hindered.

Due to the change of the grinding mechanism, the roller press (or called high-pressure roller mill) and the system process technology thereof can reduce the power consumption of the grinding system by 20-60 percent and improve the yield by 25-200 percent, and are suitable for the capacity expansion transformation of newly built plants or old plants. With the development of grinding technology in recent years, a roller press (high-pressure roller mill) based on the material bed grinding principle is widely applied to the grinding field of cement clinker, cement raw materials, slag, steel slag, iron ore, chemical industry and the like, has an obvious energy-saving effect, is an ideal roller shaft supporting part for saving energy and reducing consumption, saves energy, reduces power consumption and realizes sustainable development. However, with the generalization of the application of the roller press (or the high-pressure roller mill), the roller shaft of the extrusion roller of the conventional roller press (or the high-pressure roller mill) faces the following problems, as shown in fig. 1 to 3:

1. conventional roll surface + side baffle (stop at the roll sleeve end surface). Because the side baffle is movably blocked on the end surface of the roller sleeve, the side baffle is kept away from and close to the end surface of the roller sleeve according to the stress when the side baffle receives the extrusion force of the material by the ejector rod and the disc spring or the spring to resist the action of the extrusion force of the material on the side baffle. In the process that the side baffle is far away from the end face of the roller sleeve, materials leak from the edge, so that the extrusion effect of the materials at the edge is poor, and the overall extrusion effect of the roller press (or called high-pressure roller mill) is influenced. The side baffle keeps off there is still a serious problem in the side just, and the side baffle does not rotate, and when the material passes through the roll squeezer (or called high-pressure roller mill), is equivalent to the side baffle is fixed, and the material is in the in-process of passing through the roll squeezer, and both sides material is the friction with the side baffle all the time, and like this, the side baffle just has a concentrated wearing area, and the life-span of side baffle is shorter relatively, needs often to change.

2. And (4) a conventional roll surface and a baffle ring (the baffle ring is fixedly connected to the side surface of the roll sleeve through a bolt). In the material extrusion process, because the baffle ring blocks the material to move towards the edge, material aggregation is formed at the joint of the baffle ring and the roller sleeve. The stress condition of the whole roller in the width direction is that the middle is small, the two ends are large, and the stress is very uneven and consistent. The retaining ring is far away from the end face of the roller sleeve after being stressed, a gap is formed between the retaining ring and the end face of the roller sleeve in the process of distance, small materials enter the gap, the more the materials are accumulated, a wedge principle is formed between the retaining ring and the side face of the roller sleeve, and finally the bolt is broken or the retaining ring is broken or the side face of the roller sleeve is damaged by pulling.

And (4) conventional roll surfaces and baffle rings (the baffle rings are clamped on the roll sleeve and fixedly connected to the side surface of the roll sleeve through bolts). In the material extrusion process, because the baffle ring blocks the material to move towards the edge, material aggregation is formed at the joint of the baffle ring and the roller sleeve. The stress condition of the whole roller in the width direction is that the middle is small, the two ends are large, and the stress is very uneven and consistent. The retaining ring has a tendency of moving towards the end face far away from the roller sleeve after being stressed, in the process, the retaining ring and the clamping groove of the roller sleeve are very stressed, the clamping groove of the roller sleeve close to the end face is easily broken, the clamping groove is broken to drive the bolt on the side face to be broken or the retaining ring to be broken, and the edge of the roller sleeve is damaged.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: to the problem that exists, the utility model provides a wear-resisting roll squeezer of wear-resisting component, wear-resisting roller and roller through setting up wear-resisting component and supporting part, has solved the poor and uneven problem of atress of above-mentioned structure, has effectively prolonged wear-resisting component's life to the extrusion effect when having improved the material and passing through the roller.

The utility model adopts the technical scheme as follows:

the utility model provides a wear-resisting component, includes the work portion with material direct contact and makes the work portion connect in the assembly portion of roller supporting part, work portion butt in the terminal surface of supporting part, the one end of work portion is located to the assembly portion to match with the circumference curved surface of supporting part at least, be equipped with a plurality of pilot holes that match with the connecting piece in the assembly portion, the axis of pilot hole is parallel with the work portion.

Further, the working part comprises a wear surface directly contacted with the material and a supporting surface abutted to the roller shaft supporting part, the wear surface and the supporting surface are oppositely arranged on two sides of the working part, and the assembling part is connected to the supporting surface.

Further, one end of the working portion, opposite to the connecting and assembling portion, is provided with a fixing portion which can be limited in the fixing groove and extends outwards from the abrasion surface.

Further, a wear-resistant layer is arranged on the wear surface.

Further, a plurality of the assembly holes are uniformly distributed along the length direction of the assembly part, and fillets are arranged between every two adjacent assembly holes.

A wear-resistant roll shaft comprises a roll shaft body, wherein the roll shaft body comprises a supporting part used for installing a wear-resistant element and a roll pressing part acting on a material, and the supporting part is arranged at the end part of the roll pressing part; the wear-resistant element comprises a working part directly contacted with the material and an assembling part connecting the working part to the supporting part, the assembling part is arranged at one end of the working part and at least matched with the circumferential curved surface of the supporting part, a plurality of assembling holes matched with the connecting piece are formed in the assembling part, and the axis of each assembling hole is parallel to the working part; the assembling part is detachably connected to the supporting part through a connecting piece, and the working part is abutted against one side end face of the supporting part connected with the rolling part.

Further, the ends of adjacent wear-resistant elements can abut against each other, a plurality of wear-resistant elements can cooperate with each other to form a wear-resistant ring matched with the support part, and the ends of the adjacent wear-resistant elements in the wear-resistant ring abut against each other.

Furthermore, the rolling part is of a cylindrical structure, the supporting parts protrude out of the rolling part along the radial direction, and the paired supporting parts and the rolling parts are matched with each other to form an inwards concave rolling area; the junction of supporting part and roll-in portion is equipped with and is annular fixed slot, the work portion is equipped with the fixed part that can restrict in the fixed slot with the relative one end of connection assembly portion.

Furthermore, the working portion comprises a wear surface directly contacted with the material and a supporting surface abutted to the end surface of the supporting portion, the wear surface and the supporting surface are oppositely arranged on two sides of the working portion, the assembling portion is connected to the supporting surface, and the fixing portion extends outwards from the wear surface.

A roller press with a wear-resistant roller shaft comprises a first roller shaft and a second roller shaft, wherein the second roller shaft comprises a supporting part for mounting a wear-resistant element and a second rolling part for rolling a material, and the supporting part is arranged at the end part of the second rolling part; the second roll pressing part is matched with the first roll pressing part of the first roll shaft; the wear-resistant element comprises a working part directly contacted with the material and an assembling part for connecting the working part to the supporting part, the assembling part is arranged at one end of the working part and at least matched with the circumferential curved surface of the supporting part, a plurality of assembling holes matched with the connecting piece are formed in the assembling part, and the axis of each assembling hole is parallel to the working part; the assembling part is detachably connected to the supporting part through a connecting piece, and the working part is abutted to one side, matched with the first roll shaft, of the supporting part.

To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that: the wear-resistant element is matched with the supporting part, rotates along with the roller shaft and is consistent with the running direction of the material, so that the impact of the material on the wear-resistant element can be reduced; the widths of the assembly part and the supporting part can be adjusted as required, the wider assembly part has good force bearing effect, and the problem that the conventional roller surface and baffle ring structure is easy to break and damage is solved; compared with the conventional fixed side baffle, the wear surface area is large, each wear-resistant element rotates for one circle and then enters the wear area again, the total wear amount in unit time is evenly shared by the whole wear-resistant ring, and the service life of the wear-resistant element can be effectively prolonged.

Drawings

FIG. 1 is a schematic structural view of a conventional roll surface + side baffle of a roll press (or high pressure roller mill);

FIG. 2 is a schematic structural diagram of a conventional roll surface + baffle ring (the baffle ring is fixedly connected to the side surface of a roll sleeve through a bolt) of a rolling machine (or called a high-pressure roller mill);

FIG. 3 is a schematic structural diagram of a conventional roll surface + baffle ring (the baffle ring is clamped on a roll sleeve and fixedly connected to the side surface of the roll sleeve through a bolt) of a roll squeezer (or called a high-pressure roll grinder);

fig. 4 is a front view of the wear member of the present invention;

fig. 5 is a side view of the wear member of the present invention;

FIG. 6 is a schematic view of the wear member of the present invention mounted to a roller shaft;

fig. 7 is a side view of the wear member of the present invention mounted to a roller shaft;

fig. 8 is a schematic structural diagram of the first roller shaft and the second roller shaft of the present invention.

The labels in the figure are: 1-first roller shaft, 2-second roller shaft, 3-support part, 4-wear-resistant element, 401-working part, 402-assembly part, 403-fixing part, 404-assembly hole, 9-connecting part, 16-wear-resistant layer, 20-fixing groove.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings.

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Example 1

A wear-resisting element, as shown in fig. 4-5, includes the working portion 401 with the direct contact of supplies, and make the working portion 401 connect in the fitting part 402 of the roll shaft support 3, the working portion 401 butt in the terminal surface of the support 3, the fitting part 402 locates one end of the working portion 401, and match with the circumferential curve of the support 3 at least, be equipped with a plurality of pilot holes 404 that match with the connecting piece 9 on the fitting part 402, the axis of the pilot hole 404 is parallel with working portion 401.

The working part 401 comprises a wear surface directly contacted with the material and a supporting surface abutted to the roller shaft supporting part 3, the wear surface and the supporting surface are oppositely arranged on two sides of the working part 401, and the assembling part 402 is connected to the supporting surface.

The end of the working part 401 opposite to the connection fitting part 402 is provided with a fixing part 403 which is restricted to the fixing groove 20, and the fixing part 403 extends outward from the wear surface. Specifically, the securing portion 403 facilitates wear ring installation and securing. An L-shaped structure is formed between the fixing part 403 and the working part 401, so that the material is prevented from being accumulated at the connecting part of the fixing part 403 and the fixing groove 20,

the wear surface is provided with a wear resistant layer 16. Preferably, the wear resistant layer 16 is a hardfacing composite wear layer.

A plurality of the assembling holes 404 are uniformly distributed along the length direction of the assembling portion 402, and a fillet is arranged between two adjacent assembling holes 404.

Specifically, the wear-resistant element 4 is matched with the supporting part 3, the wear-resistant element 4 rotates along with the roller shaft and is consistent with the material running direction, and the impact of the material on the wear-resistant element 4 can be reduced; the width of assembly portion 402 and supporting part 3 can be adjusted as required, and the assembly portion 402 load bearing of broad is effectual, has solved the easy broken problem of damaging of conventional roll surface + fender ring structure.

Example 2

A wear-resistant roll shaft is shown in figures 6-7 and comprises a roll shaft body, wherein the roll shaft body comprises a supporting part 3 for installing a wear-resistant element 4 and a roll pressing part acting on materials, and the supporting part 3 is arranged at the end part of the roll pressing part; the wear-resistant element 4 comprises a working part 401 directly contacted with the material and an assembling part 402 connecting the working part 401 to the supporting part 3, the assembling part 402 is arranged at one end of the working part 401 and at least matched with the circumferential curved surface of the supporting part 3, a plurality of assembling holes 404 matched with the connecting piece 9 are arranged on the assembling part 402, and the axis of the assembling holes 404 is parallel to the working part 401; the assembling portion 402 is detachably connected to the supporting portion 3 through a connecting member 9, and the working portion 401 abuts against one side end face of the supporting portion 3 connected with the rolling portion.

The ends of adjacent wear-resistant elements 4 can abut against each other, and a plurality of wear-resistant elements 4 can cooperate with each other to form a wear-resistant ring matched with the support 3, wherein the ends of the adjacent wear-resistant elements 4 in the wear-resistant ring abut against each other.

The rolling pressing part is of a cylindrical structure, the supporting parts 3 protrude out of the rolling pressing part along the radial direction, and the paired supporting parts 3 and the rolling pressing parts are matched with each other to form an inwards concave rolling area; a fixing groove 20 having a ring shape is formed at a boundary between the support portion 3 and the roll pressing portion, and a fixing portion 403 capable of being restricted by the fixing groove 20 is formed at an end of the operating portion 401 opposite to the coupling and fitting portion 402.

Working portion 401 includes the wearing surface of direct and material contact and the holding surface of butt in 3 terminal surfaces of supporting part, the wearing surface sets up in working portion 401 both sides with the holding surface relatively, assembly portion 402 is connected in the holding surface, fixed part 403 extends outward from the wearing surface.

Specifically, compared with the conventional fixed side baffle, the wear surface area is large, each wear-resistant element 4 rotates for one circle and then enters the wear area again, the total wear amount in unit time is uniformly distributed by the whole wear-resistant ring, and the service life of the wear-resistant elements 4 can be effectively prolonged. Preferably, the roll shaft body is integrally forged by the roll sleeve and the flange having both ends as the support portions 3, instead of being fastened by bolts, and the thickness of the flange may be selected as desired.

Example 3

A roller press with a wear-resistant roller shaft, as shown in fig. 8, comprises a first roller shaft 1 and a second roller shaft 2, wherein the second roller shaft 2 comprises a supporting part 3 for mounting a wear-resistant element 4 and a second rolling part for rolling a material, and the supporting part 3 is arranged at the end part of the second rolling part; the second roll pressing part is matched with the first roll pressing part of the first roll shaft 1; the wear-resistant element 4 comprises a working part 401 directly contacted with the material and an assembling part 402 connecting the working part 401 to the supporting part 3, the assembling part 402 is arranged at one end of the working part 401 and at least matched with the circumferential curved surface of the supporting part 3, a plurality of assembling holes 404 matched with the connecting piece 9 are arranged on the assembling part 402, and the axis of the assembling holes 404 is parallel to the working part 401; the assembling portion 402 is detachably connected to the supporting portion 3 through a connecting member 9, and the working portion 401 abuts against one side of the supporting portion 3, which is matched with the first roller shaft 1.

Specifically speaking, first roller 1 and second roller 2 form the concave-convex type, second roller 2 is unmovable at the horizontal direction, first roller 1 is along frame guide rail board horizontal migration, the in-process that first roller 1 removed, move between two supporting part 3 all the time, the material is at the in-process through first roller 1 and second roller 2, both sides material except that the extrusion and the drive of receiving first roll splenium and second roll splenium, still will receive the drive of 3 circular motion in-process downstream of supporting part, make both sides material atress bigger, the probability of forming the cake is bigger.

The principles and embodiments of the present invention have been explained herein using specific examples, which are presented only to aid in understanding the methods and their core concepts. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Claims

1. The wear-resistant element is characterized by comprising a working part and an assembling part, wherein the working part is in direct contact with a material, the assembling part is connected to a roller shaft supporting part, the working part is abutted to the end face of the supporting part, the assembling part is arranged at one end of the working part and at least matched with the circumferential curved surface of the supporting part, and a plurality of assembling holes matched with connecting pieces are formed in the assembling part.

2. A wear member in accordance with claim 1, characterized in that the working portion comprises a wear surface directly in contact with the material and a support surface abutting the roller support portion, the wear surface being arranged on both sides of the working portion opposite the support surface, the fitting portion being connected to the support surface.

3. A wear member in accordance with claim 2 in which the end of the working portion opposite the attachment formation is provided with a fixing portion which is captive to the retaining groove, the fixing portion extending outwardly from the wear surface.

4. A wear member in accordance with claim 2 or 3, wherein the wear surface is provided with a wear layer.

5. A wear member in accordance with claim 1, 2 or 3, in which a plurality of said fitting holes are uniformly distributed along the length of the fitting portion, and a fillet is provided between two adjacent fitting holes.

6. A wear-resistant roll shaft comprises a roll shaft body, and is characterized in that the roll shaft body comprises a supporting part for mounting a wear-resistant element and a roll pressing part acting on a material, wherein the supporting part is arranged at the end part of the roll pressing part; the wear-resistant element comprises a working part directly contacted with the material and an assembling part for connecting the working part to the supporting part, the assembling part is arranged at one end of the working part and at least matched with the circumferential curved surface of the supporting part, and a plurality of assembling holes matched with the connecting piece are formed in the assembling part; the assembling part is detachably connected to the supporting part through a connecting piece, and the working part is abutted against one side end face of the supporting part connected with the rolling part.

7. The wear-resistant roller axle of claim 6 wherein a plurality of said wear members cooperate to form a wear ring that mates with the support portion, adjacent ends of said wear members in said wear ring abutting each other.

8. The wear-resistant roller shaft according to claim 6 or 7, wherein the roller pressing portion has a cylindrical structure, the supporting portions protrude from the roller pressing portion in a radial direction, and the paired supporting portions and the roller pressing portions cooperate with each other to form a concave roller pressing region; the junction of supporting part and roll-in portion is equipped with and is annular fixed slot, the work portion is equipped with the fixed part that can restrict in the fixed slot with the relative one end of connection assembly portion.

9. The wear-resistant roller shaft according to claim 8, wherein the working portion includes a wear surface directly contacting the material and a support surface abutting an end surface of the support portion, the wear surface being disposed opposite the support surface on both sides of the working portion, the fitting portion being connected to the support surface, and the fixing portion extending outward from the wear surface.

10. A roller press with a wear-resistant roller shaft comprises a first roller shaft and a second roller shaft, and is characterized in that the second roller shaft comprises a supporting part for mounting a wear-resistant element and a second rolling part for rolling a material, and the supporting part is arranged at the end part of the second rolling part; the second roll pressing part is matched with the first roll pressing part of the first roll shaft; the wear-resistant element comprises a working part directly contacted with the material and an assembling part connecting the working part to the supporting part, the assembling part is arranged at one end of the working part and at least matched with the circumferential curved surface of the supporting part, and a plurality of assembling holes matched with the connecting piece are formed in the assembling part; the assembling part is detachably connected to the supporting part through a connecting piece, and the working part is abutted to one side, matched with the first roll shaft, of the supporting part.