CN215657056U

CN215657056U - High-wear-resistance roller

Info

Publication number: CN215657056U
Application number: CN202121284118.3U
Authority: CN
Inventors: 李红霞
Original assignee: Tangshan Fengrun Hongfa Roll Co ltd
Current assignee: Tangshan Fengrun Hongfa Roll Co ltd
Priority date: 2021-06-09
Filing date: 2021-06-09
Publication date: 2022-01-28
Anticipated expiration: 2031-06-09

Abstract

The utility model discloses a high wear-resistant roller, which relates to the field of rollers and comprises a roller body and a cooling shaft, wherein roller heads are arranged on two sides of the roller body, roller necks are arranged on the inner sides of the roller heads on the two sides, a roller body is arranged between the roller necks on the two sides, a wear-resistant layer is arranged on the roller body, oil injection holes are formed in the roller heads on the two sides, the roller heads, the roller necks and the roller body are integrated, a cooling cavity is formed in the roller body in a penetrating manner, the roller heads are connected with a coupler to transmit torque of a rolled piece, the roller necks are supporting parts of the roller body, are arranged in a bearing and are arranged in a frame, rolling force is transmitted to the frame through a bearing seat and a pressing device, the roller bodies are parts which are in contact with the rolled piece and enable metal to generate plastic deformation, cooling liquid is introduced from a water inlet in the cooling shaft, cools the roller body through the cooling cavity and is matched with the arrangement of the wear-resistant layer, the wear resistance of the roller body is improved, the service efficiency is improved, and the service life is prolonged.

Description

High-wear-resistance roller

Technical Field

The utility model relates to the field of rollers, in particular to a high-wear-resistance roller.

Background

Rolls are the primary working components and tools on a rolling mill that produce continuous plastic deformation of metal. The roller mainly comprises a roller body, a roller neck and a shaft head. The roll body is the middle part of the roll that actually participates in rolling metal. It has a smooth cylindrical or grooved surface.

However, most of rollers in the prior art are all arranged to be integrated, the cutting process is time-consuming, long and high in cost, the effect of cooling in the internal cooling mode is not achieved, long-time machining is high in surface wear degree, machining in the later period is not facilitated, and machining efficiency is reduced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a high-wear-resistance roller, which can effectively solve the problems in the prior art.

In order to solve the problems, the utility model adopts the following technical scheme:

a high-wear-resistance roller is composed of a roller body and a cooling shaft.

Wherein, the two sides of the roller body are provided with roller heads, the inner sides of the roller heads are provided with roller necks, a roller body is arranged between the roller necks, the roller body is provided with a wear-resistant layer, the roller heads on the two sides are provided with oil injection holes, the roller heads, the roller necks and the roller body are arranged into a whole, the roller bodies are internally provided with a cooling cavity in a run-through manner, the roller heads are connected with a coupler to transmit torque of a rolled piece, the roller necks are supporting parts of the roller body, are arranged in a frame in a bearing and transmit rolling force to the frame through a bearing seat and a screw-down device, the roller bodies are parts which are contacted with the rolled piece and enable metal to generate plastic deformation, cooling liquid is led in from a water inlet in a cooling shaft, the roller bodies are cooled through the cooling cavity and are matched with the setting of the wear-resistant layer to improve the wear resistance of the roller body, efficiency of use and longevity;

the cooling shaft penetrates through the roller body and is arranged in the cooling cavity, cooling liquid enters from the water inlet, is transmitted to the cooling cavity through the plurality of groups of water outlets, cools the roller body, and is matched with the wear-resistant layer to improve the wear resistance of the roller body, the service efficiency and the service life.

Preferably, the cooling shaft also comprises a shaft head, a shaft neck and a shaft body, the shaft heads on two sides are respectively sleeved with a retainer, a rolling body is arranged in each notch on each retainer in a rolling manner, and the cooling shaft and the roller body are arranged in a rolling manner through the rolling bodies.

Preferably, a blocking layer is sleeved on one side of the shaft body, a water passing layer is sleeved on the other side of the shaft body, and a plurality of groups of through holes are uniformly formed in the circumference of the water passing layer.

Preferably, the shape of the water passing layer and the shape of the blocking layer are both circular, and the diameter of the water passing layer is larger than that of the blocking layer.

Preferably, the drainage recess has been seted up at one side both ends in the cooling die cavity, the diameter of logical water layer equals to be the laminating setting with the inner wall diameter of drainage recess, the diameter of barrier layer equals and is the laminating setting with the opposite side inner wall of cooling die cavity equally.

Preferably, a plurality of groups of water outlets are formed in one side wall of the roller body in a penetrating mode, and each group of water outlets are connected with the through holes in the water passing layer in a penetrating mode.

Preferably, a water inlet is formed in the surface of one side of the shaft head, a plurality of groups of water outlets are formed in the two ends of the shaft body in a penetrating mode, the water inlet penetrates through the inside of the shaft body, and the water inlet and the water outlets are arranged in a penetrating mode.

Compared with the prior art, the utility model has the advantages that:

the roller body rotates outside the cooling shaft through the matching between the retainer and the rolling body, lubricating oil is injected into the oil injection hole, the abrasion between structures is avoided, and the rolled piece is processed; cooling liquid enters the inside of cooling shaft from the water inlet earlier, and cooling liquid cools down the roll body in the leading-in cooling die cavity of multiunit delivery port, cooperates the setting of wearing layer again, improves the abrasion resistance of roll body, and with availability factor and life-span, through the through-hole on the water layer with liquid discharge from the outlet after the processing is accomplished.

Drawings

FIG. 1 is a schematic perspective view of a roll body according to the present invention;

FIG. 2 is a perspective view of the cooling shaft of the present invention;

FIG. 3 is a schematic view of the internal structure of the roll body according to the present invention;

FIG. 4 is an enlarged view of the structure at A in FIG. 3 according to the present invention;

fig. 5 is a schematic view of the internal structure of the cooling shaft according to the present invention.

The reference numbers in the figures illustrate:

1. a roll body; 101. a roll head; 102. a roll neck; 103. a roll body; 104. a wear layer; 105. an oil filler hole; 106. cooling the cavity; 107. a drainage groove; 108. a water outlet; 2. cooling the shaft; 201. a shaft head; 202. a journal; 203. a shaft body; 204. a holder; 205. a barrier layer; 206. introducing a water layer; 207. a through hole; 208. a water inlet; 209. a water outlet; 3. and a rolling body.

Detailed Description

The technical solution 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. It is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be 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 meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example (b):

referring to fig. 1-5, a high wear-resistant roll is composed of a roll body 1 and a cooling shaft 2.

Wherein, the two sides of the roller body 1 are provided with roller heads 101, the inner sides of the roller heads 101 on the two sides are provided with roller necks 102, a roller body 103 is arranged between the roller necks 102 on the two sides, a wear-resistant layer 104 is arranged on the roller body 103, oil injection holes 105 are arranged on the roller heads 101 on the two sides, the roller heads 101, the roller necks 102 and the roller body 103 are all arranged into a whole, a cooling cavity 106 is arranged in the roller body 1 in a penetrating way, the roller heads 101 are connected with a coupler to transmit the torque of a rolled piece, the roller necks 102 are the supporting parts of the roller body 1, are arranged in a bearing and are arranged in a frame, and transmit the rolling force to the frame through a bearing seat and a screw-down device, the roller bodies 103 are the parts which are contacted with the rolled piece and cause the plastic deformation of metal, cooling liquid is led in from a water inlet 208 in the cooling shaft 2, the temperature of the roller body 1 is cooled through the cooling cavity 106, and then the arrangement of the wear-resistant layer 104 is matched, the wear resistance, the use efficiency and the service life of the roller body 1 are improved;

wherein, cooling shaft 2 runs through roller body 1 and sets up in cooling die cavity 106, and cooling liquid gets into from water inlet 208, and in passing through multiunit delivery port 209 with cooling liquid transmission to cooling die cavity 106, cool down roller body 1, and the setting of wearing layer 104 of deuterogamying improves roller body 1's wearability, with availability factor and life.

Specifically, the cooling shaft 2 also comprises a shaft head 201, a shaft neck 202 and a shaft body 203, the shaft heads 201 on two sides are respectively sleeved with a retainer 204, a rolling body 3 is arranged in each notch on the retainer 204 in a rolling manner, and the cooling shaft 2 and the roller body 1 are arranged in a rolling manner through the rolling bodies 3.

In this embodiment, the shaft head 201, the shaft neck 202 and the shaft body 203 correspond to the roller head 101, the roller neck 102 and the roller body 103 in position, the cooling shaft 2 is fixedly arranged, the roller body 1 rotates outside the cooling shaft 2 through the matching between the retainer 204 and the rolling body 3, lubricating oil is injected into the oil injection hole 105, abrasion between structures is avoided, and rolled pieces are processed.

Specifically, a blocking layer 205 is sleeved on one side of the shaft body 203, a water passing layer 206 is sleeved on the other side of the shaft body 203, and a plurality of groups of through holes 207 are uniformly formed in the circumference of the water passing layer 206.

In this embodiment, the barrier layer 205 on one side is provided to prevent the cooling liquid from entering the rolling elements 3, and the water permeable layer 206 on the other side is connected to the inner wall of the roll body 103 in a penetrating manner, and finally, the cooling liquid is discharged.

Specifically, the water passage layer 206 and the barrier layer 205 are both formed in a circular shape, and the diameter of the water passage layer 206 is larger than that of the barrier layer 205.

In this embodiment, the water discharge groove 107 is attached to and sealed with the inner wall of the roll body 1 and the inner wall of the water discharge groove.

Specifically, the two ends of one side of the cooling cavity 106 are provided with the drainage grooves 107, the diameter of the water passing layer 206 is equal to the diameter of the inner wall of the drainage groove 107, and the diameter of the barrier layer 205 is equal to the diameter of the inner wall of the other side of the cooling cavity 106, and the same is attached.

In this embodiment, the cooling liquid is attached to and sealed with the inner wall of the roll body 1 and the inner wall of the drain groove 107, so that the cooling liquid is prevented from entering the rolling elements 3 on one side and is conveniently drained on the other side.

Specifically, a plurality of groups of water outlets 108 are arranged in one side wall of the roller body 103 in a penetrating manner, and each group of water outlets 108 is connected with a through hole 207 on the water passing layer 206 in a penetrating manner.

In this embodiment, the through hole 207 of the water passing layer 206 is connected to the inner wall of the roll body 103, and is provided with a water outlet 108 for discharging the cooling liquid finally.

Specifically, a water inlet 208 is formed in the surface of one side of the shaft head 201, a plurality of groups of water outlets 209 are formed in the two ends of the shaft body 203 in a penetrating mode, and the water inlet 208 penetrates through the inside of the shaft body 203 and is arranged between the water inlet 208 and the plurality of groups of water outlets 209 in a penetrating mode.

In this embodiment, the cooling liquid enters the cooling shaft 2 from the water inlet 208, the cooling liquid is discharged from the plurality of water outlets 209 to fill the cooling cavity 106, and after the machining, the liquid is discharged from the water outlet 108 through the through hole 207 in the water passing layer 206.

The working principle is as follows:

when the roll head 101 is used, the roll head 101 is connected with a coupler to transmit the torque of a rolled piece, the roll body 1 rotates outside the cooling shaft 2 through the matching between the retainer 204 and the rolling body 3, lubricating oil is injected into the oil injection hole 105, abrasion between structures is avoided, and the rolled piece is processed. Cooling liquid enters the interior of the cooling shaft 2 from the water inlet 208, the cooling liquid is guided into the cooling cavity 106 from the plurality of groups of water outlets 209, the roller body 1 is cooled, the arrangement of the wear-resistant layer 104 is matched, the wear resistance of the roller body 1 is improved, the service efficiency and the service life are improved, and the liquid is discharged from the water outlet 108 through the through hole 207 in the water passing layer 206 after the processing is finished.

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 the equivalent replacement or change according to the technical solution and the modified concept of the present invention should be covered by the scope of the present invention.

Claims

1. A high wear resistant roll, comprising:

the roll comprises a roll body (1), roll heads (101) are arranged on two sides of the roll body (1), roll necks (102) are arranged on the inner sides of the roll heads (101) on the two sides, a roll body (103) is arranged between the roll necks (102) on the two sides, a wear-resistant layer (104) is arranged on the roll body (103), oil filling holes (105) are formed in the roll heads (101) on the two sides, the roll heads (101), the roll necks (102) and the roll body (103) are arranged integrally, and a cooling cavity (106) is formed in the roll body (1) in a penetrating manner;

a cooling shaft (2), wherein the cooling shaft (2) penetrates through the roller body (1) and is arranged in the cooling cavity (106).

2. A high wear resistant roll according to claim 1, characterized in that: the cooling shaft (2) also comprises a shaft head (201), a shaft neck (202) and a shaft body (203), the shaft head (201) is sleeved with a retainer (204), a rolling body (3) is arranged in each notch on the retainer (204) in a rolling mode, and the cooling shaft (2) and the roller body (1) are arranged in a rolling mode through the rolling bodies (3).

3. A high wear resistant roll according to claim 2, characterized in that: the barrier layer (205) has been cup jointed to one side of axle body (203), logical water layer (206) has been cup jointed on the opposite side of axle body (203), a plurality of groups through-hole (207) have evenly been seted up to the circumference on logical water layer (206).

4. A high wear resistant roll according to claim 3, characterized in that: the shape of water passing layer (206) and barrier layer (205) all sets up and is circular, the diameter of water passing layer (206) is greater than barrier layer (205).

5. A high wear resistant roll according to claim 3, characterized in that: drainage recess (107) have been seted up at one side both ends in cooling die cavity (106), the diameter of logical water layer (206) equals with the inner wall diameter of drainage recess (107) and is the laminating setting, the diameter of barrier layer (205) equals and is the laminating setting with the opposite side inner wall of cooling die cavity (106) equally.

6. A high wear resistant roll according to claim 1, characterized in that: a plurality of groups of water outlets (108) are arranged in one side wall of the roller body (103) in a penetrating way, and each group of water outlets (108) is connected with the through hole (207) on the water passing layer (206) in a penetrating way.

7. A high wear resistant roll according to claim 2, characterized in that: a water inlet (208) is formed in the surface of one side of the shaft head (201), and a plurality of groups of water outlets (209) are formed in the two ends of the shaft body (203) in a penetrating mode.

8. A high wear resistant roll according to claim 7, characterized in that: the water inlet (208) penetrates through the inside of the shaft body (203) and is communicated with the water outlets (209).