Combined hard alloy roll collar

Abstract

The utility model discloses a combined hard alloy roll collar which comprises a roll collar unit and a roll body, and the roll collar unit is installed outside the roll body. The roll collar unit comprises a roll collar I and a roll collar II, the roll collar I and the roll collar II are ring-shaped, one side of each of the roll collar I and the roll collar II protrudes outwards, an outer ring is arranged on one side of the roll collar I, an inner ring is arranged on one side of the roll collar II, the inner ring is inserted into the inner side of the outer ring, and the ring outer ends of the roll collar I and the roll collar II are arranged away from each other; a limiting hole is formed in the roller body, an inner hole and an outer hole are formed in the corresponding positions of the inner ring and the outer ring, the outer hole, the inner hole and the limiting hole are sequentially and correspondingly formed from outside to inside, fixing pieces are arranged outside for connection, and the distance between the roller rings is determined according to the length difference of the inner ring and the outer ring. The utility model belongs to the technical field of roll collars, and particularly provides a combined hard alloy roll collar which is used for solving the problem that the distance between roll collars in the prior art is inconvenient to adjust, and is good in wear resistance and long in service life.

Description

Technical Field

[0001] The utility model belongs to the technical field of roller rings, in particular to a combined hard alloy roller ring. Background Art

[0002] Roller rings can be divided into two types: support type roller rings and positioning type roller rings according to their uses and structural forms. Among them, the support type roller ring is mainly used to support the roller. By directly contacting the roller, it bears the weight of the roller and maintains the stability of the roller. This type of roller ring usually has a cylindrical shape and matches the axis of the roller. In addition, the roller ring can also bear the weight and torque of the roller, reduce the load on the bearing, and extend the service life of the bearing.

[0003] The applicant has found that, when the existing roller rings are in use, the pressure generated by the rolling of the roller groups cooperates with each other to roll the steel into a specific shape, but the distance between the roller rings is not easy to adjust. Utility Model Content

[0004] In view of the above situation, in order to overcome the defects of the prior art, the utility model provides a combined carbide roller ring, which is used to solve the problem that the roller ring spacing is difficult to adjust in the prior art.

[0005] The technical solutions adopted in this application are as follows:

[0006] This solution provides a combined cemented carbide roller ring, comprising a roller ring unit and a roller body, wherein the roller ring unit is installed outside the roller body;

[0007] The roller ring unit comprises a roller ring 1 and a roller ring 2, both of which are arranged in a circular ring shape and have one side protruding outward, an outer ring is arranged on one side of the roller ring 1, and an inner ring is arranged on one side of the roller ring 2, and the inner ring is inserted on the inner side of the outer ring, and the outer ends of the roller rings 1 and 2 are arranged away from each other;

[0008] The roller body is provided with a limiting hole, and the inner ring and the outer ring are provided with an inner hole and an outer hole at corresponding positions. The outer hole, the inner hole and the limiting hole are arranged correspondingly from the outside to the inside, and a fixing piece is provided on the outside to connect and play a fixing role.

[0009] Preferably, the inner diameter of roller ring one is the same as the inner diameters of roller ring two and the inner ring, the inner diameter of the inner ring is slightly larger than or equal to the diameter of the roller body, and the inner diameter of the outer ring is slightly larger than or equal to the outer diameter of the inner ring.

[0010] Furthermore, the roller ring spacing is determined according to the difference in length between the inner ring and the outer ring. Preferably, the length of the inner ring is greater than the length of the outer ring, and a suitable size is selected according to needs.

[0011] In a preferred embodiment, the fixing member is a fixing bolt, and the fixing bolt coincides with the vertical center lines of the outer hole, the inner hole, and the limiting hole.

[0012] In a preferred embodiment, the inner holes and the outer holes are evenly distributed in at least two groups on the inner ring and the outer ring respectively.

[0013] As a preferred solution, the roller rings 1 and 2 are made of hard tungsten carbide material, and the inner ring and outer ring are made of alloy structural steel material, which have good wear resistance, long service life, and improved work efficiency.

[0014] As a further illustrative embodiment, the roller ring 1 and the roller ring 2 are overlapped and arranged outside the roller body along the axial direction.

[0015] The beneficial effects achieved by the utility model using the above structure are as follows:

[0016] 1. The roller ring spacing is determined by the difference in length between the inner ring and the outer ring. Combinations of different sizes can be processed as needed to solve the problem that the roller ring spacing in the prior art is not easy to adjust.

[0017] 2. In addition, the roller ring is made of hard tungsten carbide material, and the inner and outer rings are made of alloy structural steel material, which makes it have good wear resistance and long service life. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 A schematic diagram of the overall structure of a combined carbide roller ring provided in this solution;

[0019] Figure 2 An exploded structural composition diagram of a combined carbide roller ring provided in this scheme;

[0020] Figure 3 for Figure 1 main view.

[0021] The meanings of the numbers in the accompanying drawings are as follows:

[0022] 1. Roller ring unit, 2. Roller ring 1, 3. Roller ring 2, 4. Fixing part;

[0023] 21, outer ring, 22, outer hole;

[0024] 31. Inner ring, 32. Inner hole. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0026] Example 1

[0027] Please refer to Figure 1-3As shown, this embodiment provides a combined cemented carbide roller ring, including a roller ring unit 1 and a roller body, wherein the roller ring unit 1 is installed outside the roller body.

[0028] Combination Figure 2 As shown, the roller ring unit 1 includes a roller ring 1 2 and a roller ring 2 3, and the roller ring 1 2 and the roller ring 2 3 are overlapped and arranged outside the roller body along the axial direction.

[0029] Among them, roller ring 1 2 and roller ring 2 3 are both arranged in a circular ring shape and one side protrudes outward. An outer ring 21 is arranged on one side of roller ring 1 2, and an inner ring 31 is arranged on one side of roller ring 2 3. The inner ring 31 is inserted on the inner side of the outer ring 21, and the outer ends of the circular rings of roller ring 1 2 and roller ring 2 3 are arranged far away from each other.

[0030] In the preferred embodiment, the inner diameter of roller ring 1 2 is the same as the inner diameters of roller ring 2 3 and inner ring 31 , the inner diameter of inner ring 31 is slightly larger than or equal to the diameter of the roller body, and the inner diameter of outer ring 21 is slightly larger than or equal to the outer diameter of inner ring 31 .

[0031] refer to Figure 1 and Figure 3 As shown, the roller ring spacing is determined according to the difference in length between the inner ring 31 and the outer ring 21. Preferably, the length of the inner ring 31 is greater than the length of the outer ring 21. The appropriate size is selected according to needs.

[0032] In addition, a limiting hole is provided on the roller body, and an inner hole 32 and an outer hole 22 are provided at corresponding positions of the inner ring 31 and the outer ring 21. The outer hole 22, the inner hole 32 and the limiting hole are arranged correspondingly from the outside to the inside, and a fixing part 4 is provided on the outside to connect and play a fixing role.

[0033] Preferably, the fixing member 4 is a fixing bolt, and the fixing bolt coincides with the vertical center lines of the outer hole 22, the inner hole 32, and the limiting hole.

[0034] In order to improve the stability of the combination with the roller body, at least two groups of inner holes 32 and outer holes 22 are evenly distributed on the inner ring 31 and the outer ring 21 respectively.

[0035] When the utility model is used, the inner ring 31 is inserted inside the outer ring 21, and the spacing between the roller rings is determined by the difference in length between the inner ring 31 and the outer ring 21. Combinations of different sizes can be processed as needed to adjust the spacing between the roller rings. The fixing bolts arranged outside are used to fix the roller rings 1 2 and 2 3 to the outside of the roller body to achieve a fixing effect.

[0036] Example 2

[0037] Roller ring 1 2 and roller ring 2 3 are made of hard tungsten carbide material, inner ring 31 and outer ring 21 are made of alloy structural steel material, and the connection between the two adopts existing technology, which will not be elaborated in this scheme. It can achieve good wear resistance, long service life, and improve work efficiency.

[0038] It should be noted that although the embodiments of the utility model have been shown and described, for ordinary technicians in this field, without departing from the inventive purpose of the utility model, structural methods and embodiments similar to the technical scheme without creative design should all fall within the scope of protection of the utility model.

Claims

1. A combined cemented carbide roller ring, comprising a roller ring unit and a roller body, wherein the roller ring unit is installed outside the roller body, and is characterized in that: The roller ring unit comprises a roller ring 1 and a roller ring 2, both of which are arranged in a circular ring shape and have one side protruding outward, an outer ring is arranged on one side of the roller ring 1, and an inner ring is arranged on one side of the roller ring 2, and the inner ring is inserted on the inner side of the outer ring, and the outer ends of the roller rings 1 and 2 are arranged away from each other; The roller body is provided with a limiting hole, and the inner ring and the outer ring are provided with an inner hole and an outer hole at corresponding positions, and the outer hole, the inner hole and the limiting hole are arranged correspondingly from the outside to the inside.

2. The combined carbide roller ring according to claim 1, characterized in that: The inner diameter of the roller ring 1 is the same as the inner diameters of the roller ring 2 and the inner ring. The inner diameter of the inner ring is greater than or equal to the diameter of the roller body. The inner diameter of the outer ring is greater than or equal to the outer diameter of the inner ring.

3. The combined carbide roller ring according to claim 2, characterized in that: The roller ring spacing is determined according to the difference in length between the inner ring and the outer ring.

4. The combined carbide roller ring according to claim 1, characterized in that: The outer hole, the inner hole and the limiting hole are fixed with fixing parts, and the fixing parts are fixing bolts, and the fixing bolts coincide with the vertical center lines of the outer hole, the inner hole and the limiting hole.

5. The combined carbide roller ring according to claim 1, characterized in that: The inner holes and the outer holes are evenly distributed in at least two groups on the inner ring and the outer ring respectively.

6. The combined carbide roller ring according to claim 1, characterized in that: The roller ring 1 and the roller ring 2 are made of hard tungsten carbide material, and the inner ring and the outer ring are made of alloy structural steel material.

7. The combined carbide roller ring according to claim 1, characterized in that: The roller ring 1 and the roller ring 2 are overlapped and arranged outside the roller body along the axial direction.

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