Fabricated low-alloy high-boron high-speed steel roller

Abstract

The utility model provides an assembly type low-alloy high-boron high-speed steel roller, which belongs to the field of steel roller equipment and comprises a rotating shaft, an assembly component and a cleaning component. Shaft heads are fixedly mounted at the two ends of the rotating shaft, mounting holes are formed in the surfaces of the shaft heads, and the surface of the rotating shaft is sleeved with a roller; after the roller is sleeved on the surface of the rotating shaft, one end of the roller is in contact with the surface of the fixing ring, and the fixing screw is in threaded connection with the threaded holes formed in the surfaces of the roller and the fixing ring, so that the roller and the rotating shaft are fixedly connected, and the angle of the roller is adjusted during assembly; limiting grooves formed in the inner wall of the roller correspond to limiting strips on the surface of the rotating shaft, the roller is pushed to enable the limiting strips to be inserted into the limiting grooves, and therefore stress on the fixing screws is dispersed; and the roller and the rotating shaft can be stably connected, the roller and the rotating shaft can be disassembled and assembled, the roller can be replaced after the roller is abraded subsequently, and resource waste is reduced.

Description

Technical Field

[0001] The utility model relates to the field of steel rolling rolls, in particular to an assembled low-alloy high-boron high-speed steel roll. Background Technique

[0002] During high-speed steel rolling of the existing high-speed steel rolls, due to the intense friction between the roll sleeve of the high-speed steel roll and the steel, a large amount of heat will be generated during this process. If this heat cannot be dissipated in time, the roll sleeve on the high-speed steel roll will be severely worn due to the too high surface temperature, which will not only reduce the wear resistance of the high-speed steel roll but also shorten the service life of the high-speed steel roll. The cooling of the high-speed steel roll is mainly to directly introduce cooling water on the surface of the roll sleeve to cool the roll sleeve through the cooling water. This method has low cooling efficiency and poor heat dissipation effect, and has limited improvement on the wear resistance of the high-speed steel roll. Among them, a wear-resistant high-speed steel roll with the application number of "CN201620397426.X" centrifugally composes the left joint and the right joint on the roll sleeve by using the left chamber and the right chamber. The mechanical strength of the joint part between the mandrel and the roll sleeve is high and the wear resistance is good; by introducing cooling water into the water inlet groove, the cooling channel, and the drainage groove to quickly cool the working roll sleeve, the heat dissipation rate is fast, and the wear resistance of the roll sleeve is further improved. However, this high-speed steel roll still has certain deficiencies in use: the roll is severely worn during use. When the diameter of the steel roll is worn less than the standard, it needs to be replaced. The left and right joints of this roll and the roll sleeve are integrally made. When it is severely worn after long-term use, it can only be scrapped as a whole, resulting in a large amount of waste. Therefore, a steel roll with an assembly and replaceable rotating shaft and roll has better application prospects. Content of the Utility Model

[0003] The purpose of the utility model is to provide an assembled low-alloy high-boron high-speed steel roll to solve the problem that the roll is severely worn during use in the above background technique. When the diameter of the steel roll is worn less than the standard, it needs to be replaced. The left and right joints of this roll and the roll sleeve are integrally made. When it is severely worn after long-term use, it can only be scrapped as a whole, resulting in a large amount of waste.

[0004] To achieve the above purpose, the utility model provides the following technical solution: an assembled low-alloy high-boron high-speed steel roll, including a rotating shaft, an assembly component, and a cleaning component;

[0005] Among them: both ends of the rotating shaft are fixedly installed with shaft heads, the surface of the shaft head is provided with mounting holes, and a roll is sleeved on the surface of the rotating shaft;

[0006] The assembly component includes a fixing ring fixedly installed at one end of the rotating shaft. Threaded holes are opened on the surface of the fixing ring and one end of the roll. A fixing screw is threadedly connected inside the threaded hole, and an anti-loosening gasket is provided on the surface of the fixing screw;

[0007] The cleaning component includes a cleaning roller arranged on the top of the rolling roller. A brush is provided on the surface of the cleaning roller, and the brush is in contact connection with the surface of the rolling roller.

[0008] As a preferred solution of the present utility model: A number of limiting strips are fixedly installed on the surface of the rotating shaft. A limiting groove is opened on the inner wall of the rolling roller, and the limiting strips are inserted into the limiting groove.

[0009] As a preferred solution of the present utility model: A plurality of fixing holes are opened between the limiting strips at the other end of the rotating shaft. A fixing pin is inserted and connected inside the fixing hole near one end of the rolling roller.

[0010] As a preferred solution of the present utility model: A mounting seat is installed at one end of the shaft head. A bearing seat is fixedly installed on the top of the mounting seat, and the cleaning roller is rotatably installed inside the bearing seat.

[0011] As a preferred solution of the present utility model: The length of the cleaning roller is greater than the length of the rolling roller.

[0012] As a preferred solution of the present utility model: The surfaces of the rotating shaft and the shaft head are subjected to hot-dip galvanizing treatment.

[0013] Compared with the prior art, the beneficial effects of the present utility model are:

[0014] (1) A fixing ring is installed at one end of the rotating shaft. When the rolling roller is sleeved on the surface of the rotating shaft, one end of the rolling roller contacts the surface of the fixing ring. By screwing the fixing screw into the threaded holes opened on the surfaces of the rolling roller and the fixing ring, the rolling roller is fixedly connected to the rotating shaft. The anti-loosening gasket on the surface of the fixing screw can prevent the fixing screw from loosening. During assembly, adjust the angle of the rolling roller so that the limiting groove opened on the inner wall of the rolling roller corresponds to the limiting strips on the surface of the rotating shaft, and push the rolling roller so that the limiting strips are inserted into the limiting groove, thereby dispersing the force on the fixing screw; making the connection between the rolling roller and the rotating shaft stable. The rolling roller can be disassembled and installed with the rotating shaft. After the rolling roller is worn out later, only the rolling roller needs to be replaced, reducing waste of resources;

[0015] (2) Through the provided cleaning component, when the rolling roller rotates, the brush on the surface of the cleaning roller cleans the surface of the rolling roller. The cleaning roller is rotatably installed in the bearing seat on the top of the mounting seat. When the rolling roller rotates, the brush on the surface of the cleaning roller contacts the rolling roller, so that the impurities on the surface of the rolling roller are cleaned off. When the brush contacts the rotating rolling roller, it will drive the cleaning roller to rotate, so that the brush on the surface of the cleaning roller evenly contacts the rolling roller for cleaning. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 is the overall structural schematic diagram of the present utility model;

[0017] Figure 2 is the split structural schematic diagram of the present utility model;

[0018] Figure 3 This is a schematic structural diagram of the assembly component of the present utility model;

[0019] Figure 4 This is a schematic structural diagram of the cleaning component of the present utility model.

[0020] In the figure: 1, rotating shaft; 2, shaft head; 3, mounting hole; 4, roll; 5, assembly component; 51, fixing ring; 52, threaded hole; 53, fixing screw; 54, anti-loosening gasket; 55, limiting strip; 56, limiting groove; 6, cleaning component; 61, cleaning roll; 62, brush; 7, fixing hole; 8, fixing pin; 9, mounting seat; 10, bearing seat. Specific embodiments

[0021] To make the purpose, technical solutions and advantages of the embodiments of the present utility model clearer, the technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are part of the embodiments of the present utility model, rather than all of the embodiments. Based on the embodiments in the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0022] Please refer to Figures 1 - 4 , an assembled low-alloy high-boron high-speed steel roll, comprising: a rotating shaft 1, an assembly component 5 and a cleaning component 6; both ends of the rotating shaft 1 are fixedly installed with shaft heads 2, mounting holes 3 are provided on the surfaces of the shaft heads 2, and a roll 4 is sleeved on the surface of the rotating shaft 1;

[0023] Please refer to Figure 2 , Figure 3 , the assembly component 5 includes a fixing ring 51 fixedly installed at one end of the rotating shaft 1, threaded holes 52 are provided on the surface of the fixing ring 51 and one end of the roll 4, a fixing screw 53 is threadedly connected inside the threaded hole 52, an anti-loosening gasket 54 is provided on the surface of the fixing screw 53, a plurality of limiting strips 55 are fixedly installed on the surface of the rotating shaft 1, and limiting grooves 56 are provided on the inner wall of the roll 4, and the limiting strips 55 are inserted inside the limiting grooves 56.

[0024] During specific use: A fixing ring 51 is installed at one end of the rotating shaft 1. After the rolling roll 4 is sleeved on the surface of the rotating shaft 1, one end of the rolling roll 4 contacts the surface of the fixing ring 51. By threadedly connecting the fixing screw 53 into the threaded holes 52 formed on the surfaces of the rolling roll 4 and the fixing ring 51, the rolling roll 4 is fixedly connected to the rotating shaft 1. The anti-loosening gasket 54 on the surface of the fixing screw 53 can prevent the fixing screw 53 from loosening. During assembly, the angle of the rolling roll 4 is adjusted so that the limiting groove 56 formed on the inner wall of the rolling roll 4 corresponds to the limiting strip 55 on the surface of the rotating shaft 1. Then, the rolling roll 4 is pushed so that the limiting strip 55 is inserted into the limiting groove 56. The rolling roll 4 contacts the limiting strip 55 on the surface of the rotating shaft 1 and remains stable, thereby dispersing the force borne by the fixing screw 53; enabling the rolling roll 4 to be stably connected to the rotating shaft 1. The rolling roll 4 can be detachably installed on the rotating shaft 1. After the rolling roll 4 is worn out later, the rolling roll 4 can be replaced, reducing waste of resources.

[0025] Please refer to Figure 1 , Figure 4 , the cleaning assembly 6 includes a cleaning roll 61 arranged on the top of the rolling roll 4. A brush 62 is provided on the surface of the cleaning roll 61. The brush 62 is in contact connection with the surface of the rolling roll 4. One end of the shaft head 2 is installed with a mounting seat 9. A bearing seat 10 is fixedly installed on the top of the mounting seat 9. The cleaning roll 61 is rotatably installed inside the bearing seat 10.

[0026] During specific use: When the rolling roll 4 is rotating, the brush 62 installed on the surface of the cleaning roll 61 cleans the surface of the rolling roll 4. The cleaning roll 61 is rotatably installed in the bearing seat 10 on the top of the mounting seat 9. When the rolling roll 4 rotates, the brush 62 on the surface of the cleaning roll 61 contacts the rolling roll 4, removing impurities on the surface of the rolling roll 4. When the brush 62 contacts the rotating rolling roll 4, it will drive the cleaning roll 61 to rotate, enabling the brush 62 on the surface of the cleaning roll 61 to evenly contact the rolling roll 4 for cleaning.

[0027] Please refer to Figure 2 , Figure 3 , multiple fixing holes 7 are formed between the limiting strips 55 at the other end of the rotating shaft 1. A fixing pin 8 is inserted into the fixing hole 7 near one end of the rolling roll 4.

[0028] During specific use: After the rolling roll 4 is assembled on the surface of the rotating shaft 1, the fixing pin 8 is inserted into the fixing hole 7 formed on the surface of the rotating shaft 1 to limit the other end of the rolling roll 4. Multiple fixing holes 7 are provided to facilitate fixing and limiting when replacing rolling rolls 4 of different lengths.

[0029] Please refer to Figure 1 , the length of the cleaning roll 61 is greater than the length of the rolling roll 4.

[0030] During specific use: The length of the cleaning roll 61 being greater than the length of the rolling roll 4 ensures that the surface of the rolling roll 4 is cleaned, avoiding cleaning dead corners.

[0031] Please refer to Figure 1 , the surfaces of the rotating shaft 1 and the shaft head 2 are treated with hot-dip galvanization.

[0032] During specific use: The surfaces of the rotating shaft 1 and the shaft head 2 are treated by the hot-dip galvanization process, so that the structural parts have good oxidation resistance and corrosion resistance.

[0033] A fixing ring 51 is installed at one end of the rotating shaft 1. After the roller 4 is sleeved on the surface of the rotating shaft 1, one end of the roller 4 contacts the surface of the fixing ring 51. By threadedly connecting the fixing screw 53 into the threaded holes 52 formed on the surfaces of the roller 4 and the fixing ring 51, the roller 4 is fixedly connected to the rotating shaft 1. The anti-loosening gasket 54 on the surface of the fixing screw 53 can prevent the fixing screw 53 from loosening. During assembly, the angle of the roller 4 is adjusted so that the limiting groove 56 formed on the inner wall of the roller 4 corresponds to the limiting strip 55 on the surface of the rotating shaft 1. Push the roller 4 so that the limiting strip 55 is inserted into the limiting groove 56. The roller 4 contacts the limiting strip 55 on the surface of the rotating shaft 1 and remains stable, thereby dispersing the force on the fixing screw 53; making the connection between the roller 4 and the rotating shaft 1 stable. The roller 4 can be disassembled and installed with the rotating shaft 1. After the roller 4 is worn out later, the roller 4 can be replaced, reducing the waste of resources.

[0034] The content not described in detail in this specification belongs to the prior art well-known to those skilled in the art. Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims

1. An assembled low alloy high boron high speed steel roll, characterized in that: include: A rotating shaft (1), wherein shaft heads (2) are fixedly mounted on both ends of the rotating shaft (1), a mounting hole (3) is provided on the surface of the shaft head (2), and a roller (4) is sleeved on the surface of the rotating shaft (1); An assembly component (5), the assembly component (5) comprising a fixing ring (51) fixedly mounted on one end of the rotating shaft (1), a threaded hole (52) being provided on the surface of the fixing ring (51) and one end of the roller (4), a fixing screw (53) being internally threadedly connected to the threaded hole (52), and an anti-slip gasket (54) being provided on the surface of the fixing screw (53); A cleaning assembly (6), the cleaning assembly (6) comprising a cleaning roller (61) arranged on the top of the roller (4), a brush (62) being provided on the surface of the cleaning roller (61), and the brush (62) being in contact with and connected to the surface of the roller (4).

2. The assembled low alloy high boron high speed steel roll according to claim 1, characterized in that: A plurality of limit strips (55) are fixedly mounted on the surface of the rotating shaft (1), and a limit groove (56) is provided on the inner wall of the rolling roller (4), wherein the limit strips (55) are inserted into the limit grooves (56).

3. The assembled low alloy high boron high speed steel roll according to claim 2, characterized in that: The other end of the rotating shaft (1) is provided with a plurality of fixing holes (7) between the limiting strips (55).

4. The assembled low alloy high boron high speed steel roll according to claim 3, characterized in that: A fixing pin (8) is inserted and connected inside the fixing hole (7) near one end of the roller (4).

5. The assembled low alloy high boron high speed steel roll according to claim 1, characterized in that: A mounting seat (9) is mounted on one end of the shaft head (2), and a bearing seat (10) is fixedly mounted on the top of the mounting seat (9).

6. The assembled low alloy high boron high speed steel roll according to claim 5, characterized in that: The cleaning roller (61) is rotatably mounted inside the bearing seat (10).

7. The assembled low alloy high boron high speed steel roll according to claim 1, characterized in that: The length of the cleaning roller (61) is greater than the length of the rolling roller (4).

8. The assembled low alloy high boron high speed steel roll according to claim 1, characterized in that: The surfaces of the rotating shaft (1) and the shaft head (2) are subjected to hot-dip galvanizing treatment.

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