Centrifugal composite high-speed steel roller

Abstract

The utility model provides a centrifugal composite high-speed steel roller, which belongs to the technical field of high-speed steel rollers and comprises a roller body and a reinforcing component, the reinforcing component comprises a high-speed steel layer arranged on the outer wall of the roller body, the high-speed steel layer is made of high-speed steel, and a wear-resistant reinforcing layer is arranged inside the high-speed steel layer and made of hard alloy. A wear-resistant reinforcing layer is arranged in the roller body, a transition layer is arranged in the wear-resistant reinforcing layer, the transition layer is made of nodular cast iron, a toughness reinforcing layer is arranged in the transition layer, and the toughness reinforcing layer is made of alloy steel. The high-speed steel can effectively resist high temperature and high pressure, the rolling precision and surface quality of the roller are ensured, the nodular cast iron can be more stable due to the good toughness and strength, the alloy steel is utilized, breakage or damage is conveniently prevented in the rolling process during die casting, and the roller is firm and durable.

Description

Technical Field

[0001] The utility model belongs to the technical field of high-speed steel rollers, and in particular relates to a centrifugal composite high-speed steel roller. Background Art

[0002] Centrifugal casting is a technology and method of injecting liquid metal into a high-speed rotating mold to make the molten metal perform centrifugal motion to fill the mold and form a casting. Due to the centrifugal motion, the liquid metal can fill the mold well in the radial direction and form a free surface of the casting. After searching, the application number "CN202123225495.2" discloses "a centrifugally cast wear-resistant high-speed steel composite roller", which records that "by providing a threaded rod and a threaded hole, the threaded rod can control the top block to move, and the attraction between the top block and the inclined plate can be used to control the two inclined plates to approach each other. The positioning plate can be separated from the positioning groove, and the positioning of the roller body is released, thereby solving the problem that the roller is not easy to replace, resulting in a lot of time spent on replacing the roller. The threaded rod and the threaded hole are used to control the top block to move, and the top block and the inclined plate are attracted to each other to control the two inclined plates to approach each other, so that the positioning plate can be separated from the positioning groove. This can indeed solve the problem that the roller is not easy to replace, resulting in a lot of time spent on replacing the roller. However, the following problems still exist in actual use:

[0003] In actual use, such a setting may cause the body to be weak and unstable.

[0004] Based on this, a rolling roller is provided which can achieve relatively toughness, strength and durability and has extremely high practicality. Utility Model Content

[0005] The utility model aims to provide a centrifugal composite high-speed steel roller, aiming to solve the above technical problems.

[0006] The embodiment of the utility model provides a centrifugal composite high-speed steel roller, comprising a roller body and a reinforcement component.

[0007] Wherein, connectors are arranged on both sides of the roller body, a roller core is arranged inside the roller body, and an end of the roller core passes through one of the connectors;

[0008] The reinforcement component includes a high-speed steel layer arranged on the outer wall of the roller body, the material of the high-speed steel layer is high-speed steel, the interior of the high-speed steel layer is provided with a wear-resistant reinforcement layer, the material of the wear-resistant reinforcement layer is cemented carbide, the interior of the wear-resistant reinforcement layer is provided with a transition layer, the material of the transition layer is ductile iron, and the interior of the transition layer is provided with a toughness enhancement layer, and the material of the toughness enhancement layer is alloy steel.

[0009] In one embodiment of the utility model, a heat isolation layer is provided on the outside of the roller core, and the material of the heat isolation layer is cast aluminum silicate.

[0010] In one embodiment of the utility model, a wear-resistant layer is provided inside the thermal isolation layer, and the material of the wear-resistant layer is cast from a ceramic composite material.

[0011] In one embodiment of the utility model, a reinforcement layer is provided inside the wear-resistant layer, and the reinforcement layer is made of cast high-strength steel.

[0012] In one embodiment of the utility model, a base layer is provided inside the reinforcement layer, and the base layer is made of cast steel.

[0013] In an embodiment of the present invention, outer walls of the two connectors are provided with a lubricating layer, and the material of the lubricating layer is polytetrafluoroethylene.

[0014] In one embodiment of the utility model, a reinforcing connection layer is provided inside the lubricating layer, and the material of the reinforcing connection layer is cast from a carbon fiber reinforced composite material.

[0015] In one embodiment of the utility model, a basic connection layer is provided inside the enhanced connection layer, and the material of the basic connection layer is ultra-high strength steel.

[0016] Compared with the prior art, the beneficial effects of the utility model are:

[0017] The high-speed steel provided makes it convenient to use the roller body due to its high hardness, excellent wear resistance and cutting performance, so that the high-speed steel can effectively resist high temperature and high pressure and ensure the rolling accuracy and surface quality of the roller. The use of cemented carbide with its extremely high hardness and wear resistance can further improve the wear resistance of the roller and extend its service life. The use of ductile iron with its good toughness and strength can make it more stable. The use of alloy steel can prevent breakage or damage during the rolling process during die casting, making it strong and durable. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0019] Figure 1 It is a schematic diagram of the structure of the utility model;

[0020] Figure 2 It is a schematic diagram of the layered structure of the utility model;

[0021] Figure 3This is a schematic diagram of the layered structure of the roller body of the utility model;

[0022] Figure 4 This is a schematic diagram of the layered structure of the roller core of the utility model;

[0023] Figure 5 This is a schematic diagram of the layered structure of the connector of the utility model.

[0024] In the figure: 100, roller body; 110, connecting head; 120, roller core; 200, reinforcement component; 210, high-speed steel layer; 220, wear-resistant reinforcement layer; 230, transition layer; 240, toughness enhancement layer; 300, isolation layer; 400, wear-resistant layer; 500, reinforcement layer; 600, base layer; 700, lubrication layer; 800, reinforcement connection layer; 900, basic connection layer. DETAILED DESCRIPTION

[0025] In order to make the purpose, technical solution and advantages of the implementation of the utility model clearer, the technical solution in the implementation of the utility model will be clearly and completely described below in conjunction with the drawings in the implementation of the utility model. Obviously, the described implementation is a part of the implementation of the utility model, not all of the implementations. Based on the implementation of the utility model, all other implementations obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model. Example

[0026] See also Figure 1 - Figure 3 , a centrifugal composite high-speed steel roller, including a roller body 100 and a reinforcement component 200.

[0027] For details, please refer to Figure 1 A lower mold 110 is disposed on the top of the base 100 , an injection groove is opened on the top of the lower mold 110 , and fixing rods 120 are disposed at the top corners of the base 100 .

[0028] See also Figure 3 The reinforcement component 200 includes a high-speed steel layer 210 provided on the outer wall of the roller body 100. The material of the high-speed steel layer 210 is high-speed steel. A wear-resistant reinforcement layer 220 is provided inside the high-speed steel layer 210. The material of the wear-resistant reinforcement layer 220 is cemented carbide. A transition layer 230 is provided inside the wear-resistant reinforcement layer 220. The material of the transition layer 230 is ductile iron. A toughness enhancement layer 240 is provided inside the transition layer 230. The material of the toughness enhancement layer 240 is alloy steel.

[0029] In a specific embodiment, by providing high-speed steel, it is convenient to utilize its high hardness, excellent wear resistance and cutting performance when using the roller body 100, so that the high-speed steel can effectively resist high temperature and high pressure, and ensure the rolling accuracy and surface quality of the roller. By utilizing cemented carbide, its extremely high hardness and wear resistance can further improve the wear resistance of the roller and extend its service life. By utilizing ductile iron, its good toughness and strength can make it more stable. By utilizing alloy steel, it is convenient to prevent breakage or damage during the rolling process during die casting, thereby achieving the purpose of reinforcing the roller body 100.

[0030] See also Figure 4 A heat isolation layer 300 is disposed on the outside of the roller core 120 , and the heat isolation layer 300 is made of aluminum silicate casting.

[0031] In a specific embodiment, the aluminum silicate is provided to make the roller core 120 resistant to high temperatures during use, thereby avoiding the roller core 120 being unable to withstand high temperatures when required, thereby improving the tolerance of the roller core 120 and increasing its service life.

[0032] See also Figure 4 A wear-resistant layer 400 is provided inside the thermal isolation layer 300, and the wear-resistant layer 400 is made of a cast ceramic composite material.

[0033] In a specific embodiment, by providing a ceramic composite material, the ceramic composite material can be used to achieve wear resistance of the roller core 120 during use, which can effectively avoid the problem of damage caused by lack of wear resistance during use.

[0034] See also Figure 4 A reinforcing layer 500 is provided inside the wear-resistant layer 400, and the reinforcing layer 500 is made of high-strength steel.

[0035] In a specific embodiment, ultra-high strength steel is provided so that the material can be used with excellent mechanical properties. The addition of the reinforcement layer 500 helps to optimize the stress distribution of the roller core 120 and improve the bearing capacity and fatigue resistance of the roller.

[0036] See also Figure 4 A base layer 600 is provided inside the reinforcement layer 500, and the base layer 600 is made of cast steel.

[0037] In a specific embodiment, the cast steel is provided so that it can conveniently become the main structural support of the roller core 120 during use, and ensure the overall stability of the roller core 120.

[0038] See also Figure 5 The outer walls of the two connectors 110 are both provided with a lubricating layer 700 , and the material of the lubricating layer 700 is polytetrafluoroethylene.

[0039] In a specific embodiment, the polytetrafluoroethylene is provided to facilitate the use of the polytetrafluoroethylene, so that when the connecting head 110 is connected to other equipment, it can achieve the purpose of better lubrication, thereby further improving work efficiency.

[0040] See also Figure 5 A reinforcing connection layer 800 is provided inside the lubricating layer 700, and the reinforcing connection layer 800 is made of a carbon fiber reinforced composite material.

[0041] In a specific embodiment, by providing a carbon fiber reinforced composite material, the connector 110 can be reinforced with the carbon fiber reinforced composite material during use, making it more stable during use and avoiding damage during use.

[0042] See also Figure 5 A basic connection layer 900 is provided inside the enhanced connection layer 800, and the material of the basic connection layer 900 is ultra-high strength steel.

[0043] In a specific embodiment, the ultra-high strength steel is provided to further reinforce the connecting head 110 when the connecting head 110 is used, so that the connecting head 110 can be more stable when used.

[0044] When in use, the user first connects the roller body 100 with other parts through the connecting head 110, and then uses the high-speed steel provided to facilitate the use of the roller body 100. Its high hardness, excellent wear resistance and cutting performance can be used to make the high-speed steel effectively resist high temperature and high pressure, thereby ensuring the rolling accuracy and surface quality of the roller. In addition, by using cemented carbide, its extremely high hardness and wear resistance can further improve the wear resistance of the roller and extend its service life. By using ductile iron, its good toughness and strength can make it more stable. By using alloy steel, it is convenient to prevent breakage or damage during the rolling process during die casting, thereby achieving the roller body 1 00 is reinforced, and then the aluminum silicate is provided to make the roller core 120 resistant to high temperatures when in use, avoiding the inability to withstand high temperatures when needed, thereby improving the tolerance of the roller core 120 and increasing its service life. The ceramic composite material is provided to make use of the ceramic composite material to achieve wear resistance of the roller core 120 when in use, which can effectively avoid the problem of damage caused by non-wear resistance during use. The ultra-high strength steel is provided to make use of the material with excellent mechanical properties when in use. Finally, the addition of the reinforcement layer 500 helps to optimize the stress distribution of the roller core 120 and improve the load-bearing capacity and fatigue resistance of the rolling mill.

[0045] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A centrifugal composite high-speed steel roll, characterized in that: include: A roller body (100), wherein connectors (110) are arranged on both sides of the roller body (100), a roller core (120) is arranged inside the roller body (100), and an end of the roller core (120) passes through one of the connectors (110); A reinforcement component (200), the reinforcement component (200) comprising a high-speed steel layer (210) provided on the outer wall of a roller body (100), the material of the high-speed steel layer (210) being high-speed steel, a wear-resistant reinforcement layer (220) being provided inside the high-speed steel layer (210), the material of the wear-resistant reinforcement layer (220) being hard alloy, a transition layer (230) being provided inside the wear-resistant reinforcement layer (220), the material of the transition layer (230) being ductile iron, a toughness reinforcement layer (240) being provided inside the transition layer (230), the material of the toughness reinforcement layer (240) being alloy steel.

2. The centrifugal composite high-speed steel roller according to claim 1, characterized in that: A heat isolation layer (300) is provided on the outside of the roller core (120), and the material of the heat isolation layer (300) is cast aluminum silicate.

3. The centrifugal composite high-speed steel roller according to claim 2, characterized in that: A wear-resistant layer (400) is provided inside the thermal isolation layer (300), and the material of the wear-resistant layer (400) is cast from a ceramic composite material.

4. The centrifugal composite high-speed steel roller according to claim 3, characterized in that: A reinforcement layer (500) is provided inside the wear-resistant layer (400), and the reinforcement layer (500) is made of cast high-strength steel.

5. The centrifugal composite high-speed steel roller according to claim 4, characterized in that: A base layer (600) is provided inside the reinforcement layer (500), and the base layer (600) is made of cast steel.

6. The centrifugal composite high-speed steel roller according to claim 1, characterized in that: The outer walls of the two connectors (110) are both provided with a lubricating layer (700), and the material of the lubricating layer (700) is polytetrafluoroethylene.

7. The centrifugal composite high-speed steel roller according to claim 6, characterized in that: A reinforced connection layer (800) is provided inside the lubricating layer (700), and the reinforced connection layer (800) is made of a material cast from a carbon fiber reinforced composite material.

8. The centrifugal composite high-speed steel roller according to claim 7, characterized in that: A basic connection layer (900) is provided inside the enhanced connection layer (800), and the material of the basic connection layer (900) is ultra-high strength steel.

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