Combined roller

Abstract

The utility model relates to the technical field of rollers, in particular to a combined roller. The combined roller comprises a roller shaft and an inner wedge column arranged on the roller shaft in a sleeving mode, a roller body is arranged on the inner wedge column in a sleeving mode, and a pull rod is installed between the inner wedge column and the roller body. The inner wedge column is of a conical circular truncated cone structure, and a plurality of limiting ridges which are annularly arranged and distributed along the outer cylindrical surface of the inner wedge column are fixedly embedded in the outer cylindrical surface of the inner wedge column; and an inner cavity for inserting the inner wedge column is formed in the roller body. According to the combined roller, when one component is damaged, the component can be detached and replaced, waste caused by replacement of the whole roller is avoided, meanwhile, the inner wedge columns are additionally arranged between the roller shaft and the roller body for clamping connection, and due to the fact that the inner wedge columns are of a conical circular truncated cone structure and are matched with the opposite-pull rods, the roller body is installed more firmly and stably, and the service life of the roller body is prolonged. And the section of the inner wedge column is of a triangular structure, so that the inner wedge column has good balance and strength distribution and can effectively bear external load.

Description

Technical Field

[0001] The utility model relates to the technical field of rollers, in particular to a combined roller. Background Art

[0002] Rollers primarily consist of a roll body, a roll neck, and a shaft head. The roll body, the center portion of the roll that actually performs the rolling operation, has a smooth cylindrical surface or a grooved surface. Rollers are typically used for rolling and pressing metal composite sheets. Wear or damage to the roll body can affect the quality of the sheet, necessitating replacement. However, conventional rolls are typically cast in one piece. Damage to the outer wall of the roll body requires replacement of the entire roll, resulting in a waste of resources.

[0003] Therefore, it is necessary to provide a new combined roller to solve the above-mentioned technical problems. Utility Model Content

[0004] In order to solve the above technical problems, the utility model provides a combined roller.

[0005] The combined roller provided by the utility model comprises:

[0006] Rollers, and

[0007] An inner wedge column is sleeved on the roller shaft, and a roller body is sleeved on the inner wedge column, and a plurality of annularly distributed tie rods are installed between the inner wedge column and the roller body;

[0008] The inner wedge column is in a conical truncated cone structure, and the outer cylindrical surface of the inner wedge column is fixedly embedded with a plurality of limiting ridges arranged in an annular manner and distributed along the outer cylindrical surface of the inner wedge column;

[0009] An inner cavity for inserting an inner wedge column is provided in the roller body, and an expansion cavity and a contraction cavity are respectively provided on both sides of the inner cavity. A limited position slot is provided in the inner cavity of the roller body.

[0010] Preferably, a limiting plate for abutting against the small end of the inner wedge column is fixedly embedded at one end of the roller shaft.

[0011] Preferably, an insertion cavity is provided in the inner wedge column, and the insertion cavity is inserted on the roller shaft through the insertion cavity.

[0012] Preferably, the roller body is inserted onto the inner wedge column along the small end of the inner wedge column through the expanded cavity, and the limiting ridges on the inner wedge column are inserted into the limiting slots opened on the roller body and abut against the inner groove ends of the limiting slots.

[0013] Preferably, the large end of the inner wedge column is provided with a plurality of annularly distributed pulling holes A, and the pulling holes A correspond one to one, and the end face of the roller body with a receiving cavity is provided with a plurality of annularly distributed pulling holes B, and the pulling holes B correspond one to one to the limiting slots.

[0014] Preferably, a rod cap is fixedly embedded in one end of the tie rod, and a threaded section is provided on the other side of the tie rod.

[0015] Preferably, the tension rod passes through the tension hole A and the tension hole B corresponding to the tension hole A respectively, and the rod cap on the tension rod abuts against the large end of the inner wedge column, the threaded section on the tension rod extends out of the tension hole B opened in the roller body, and a fastening nut for fastening the inner wedge column and the roller body is installed on the threaded section.

[0016] Compared with the related art, the combined roller provided by the present invention has the following beneficial effects:

[0017] The utility model can disassemble and replace a component when it is damaged, thus avoiding the waste caused by replacing the entire rolling roller. At the same time, an inner wedge column is added between the roller shaft and the roller body for clamping. Since the inner wedge column has a conical frustum structure and cooperates with the tension rod, the roller body is installed more firmly and stably. The cross-section of the inner wedge column has a triangular structure, which has good balance and strength distribution and can effectively withstand external loads. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 A schematic structural diagram of a preferred embodiment of the combined roller provided by the utility model;

[0019] Figure 2 for Figure 1 Schematic diagram of the explosion structure shown;

[0020] Figure 3 for Figure 2 The schematic diagram of the structure of the inner wedge column and the roller body is shown;

[0021] Figure 4 for Figure 3 The cross-sectional structural diagram of the inner wedge column and the roller body is shown;

[0022] Figure 5 for Figure 4 The cross-sectional structural diagram of the inner wedge column and roller body combination is shown;

[0023] Figure 6 for Figure 2 Schematic diagram of the structure of the tie rod shown.

[0024] Numbers in the figure: 1. Roller shaft; 11. Limiting plate; 2. Inner wedge column; 2a. Insertion cavity; 2b. Pulling hole A; 21. Limiting ridge; 3. Roller body; 3a. Expansion cavity; 3b. Contraction cavity; 3c. Limiting slot; 3d. Pulling hole B; 4. Pull rod; 41. Rod cap; 42. Threaded section; 43. Fastening nut. DETAILED DESCRIPTION

[0025] In order to make the purpose, 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 only used to explain the present invention and are not intended to limit the present invention.

[0026] The specific implementation of the present invention is described in detail below with reference to specific embodiments.

[0027] See also Figures 1 to 6 An embodiment of the present invention provides a combined rolling roller, which includes: a roller shaft 1, an inner wedge column 2, a roller body 3 and a tension rod 4.

[0028] In the embodiments of the present invention, please refer to Figure 1 、 Figure 2 、 Figure 3 and Figure 4 , one end of the roller shaft 1 is fixedly fitted with a limit plate 11 for abutting against the small end of the inner wedge column 2, and the roller shaft 1 is sleeved with an inner wedge column 2, the inner wedge column 2 is a conical frustum structure, and the outer cylindrical surface of the inner wedge column 2 is fixedly fitted with a plurality of limit ribs 21 arranged in an annular manner and distributed along the outer cylindrical surface of the inner wedge column 2, and an insertion cavity 2a is opened in the inner wedge column 2, and the insertion cavity 2a is inserted on the roller shaft 1 through the insertion cavity 2a;

[0029] The inner wedge column 2 is sleeved with a roller body 3, and an inner cavity for inserting the inner wedge column 2 is provided in the roller body 3, and an expansion cavity 3a and a contraction cavity 3b are respectively provided on both sides of the inner cavity, and a limited slot 3c is opened in the inner cavity of the roller body 3.

[0030] It should be noted that: the inner wedge column 2 is inserted into the roller shaft 1 from the insertion cavity 2a of the large end of the inner wedge column 2, and the limit plate 11 on the roller shaft 1 is abutted against the small end surface of the inner wedge column 2, and then the roller body 3 is inserted into the inner wedge column 2 along the small end of the inner wedge column 2 from the opened expansion cavity 3a, and the limit ribs 21 on the inner wedge column 2 are kept inserted into the limit slots 3c opened in the roller body 3 until the end of the limit rib 21 abuts against the inner groove end of the limit slot 3c.

[0031] In the embodiments of the present invention, please refer to Figure 1 、 Figure 2 、 Figure 5 and Figure 6The roller body 3 is inserted into the inner wedge column 2 along the small end of the inner wedge column 2 through the expanded cavity 3a, and the limiting ribs 21 on the inner wedge column 2 are inserted into the limiting slots 3c provided in the roller body 3 and abut against the inner groove ends of the limiting slots 3c;

[0032] A plurality of annularly distributed pulling holes A2b are provided on the large end of the inner wedge column 2, and the pulling holes A2b correspond one to one. A plurality of annularly distributed pulling holes B3d are provided on the end face of the roller body 3 on which a closing cavity 3b is provided, and the pulling holes B3d correspond one to one with the limiting slots 3c. A plurality of annularly distributed pulling rods 4 are installed between the inner wedge column 2 and the roller body 3. A rod cap 41 is fixedly fitted at one end of the pulling rod 4, and a threaded section 42 is provided on the other side of the rod section of the pulling rod 4. The pulling rod 4 passes through the pulling hole A2b and the pulling hole B3d corresponding to the pulling hole A2b respectively, and the rod cap 41 on the pulling rod 4 abuts against the large end of the inner wedge column 2, and the threaded section 42 on the pulling rod 4 extends out of the pulling hole B3d opened in the roller body 3, and a fastening nut 43 for fastening the inner wedge column 2 and the roller body 3 is installed on the threaded section 42.

[0033] It should be noted that: multiple tension rods 4 are used to tension and tighten the inner wedge column 2 and the roller body 3. Specifically, the tension rods 4 are respectively passed through the tension hole A2b and the corresponding tension hole B3d until the rod cap 41 on the tension rod 4 abuts against the large end of the inner wedge column 2, and the threaded section 42 on the tension rod 4 extends out of the tension hole B3d opened in the roller body 3, and then the fastening nut 43 is put on to tighten and fix it.

[0034] The working principle of the combined roller provided by the utility model is as follows:

[0035] Insert the inner wedge column 2 from the insertion cavity 2a of the large end of the inner wedge column 2 onto the roller shaft 1, and make the limit plate 11 on the roller shaft 1 abut against the small end surface of the inner wedge column 2, and then insert the roller body 3 from the expanded cavity 3a along the small end of the inner wedge column 2 onto the inner wedge column 2, and keep the limit ribs 21 on the inner wedge column 2 inserted into the limit slots 3c opened in the roller body 3 until the end of the limit rib 21 abuts against the inner groove end of the limit slot 3c, and then use multiple tension rods 4 to tension and tighten the inner wedge column 2 and the roller body 3 respectively, specifically: pass the tension rods 4 through the tension hole A2b and the corresponding tension hole B3d respectively, until the rod cap 41 on the tension rod 4 is aligned with the inner wedge column 2 The large ends of the rollers 1 and 3 are abutted against each other, and after the threaded section 42 on the tie rod 4 extends out of the tie hole B3d opened on the roller body 3, the fastening nut 43 is put on to tighten and fix it. When one component of the roller is damaged, it can be disassembled and replaced to avoid the waste of replacing the entire roller. At the same time, an inner wedge column 2 is added between the roller shaft 1 and the roller body 3 for clamping. Since the inner wedge column 2 has a conical frustum structure and cooperates with the tie rod 4, the roller body 3 is installed more firmly and stably, and the cross-section of the inner wedge column 2 is a triangular structure, which has good balance and strength distribution, can effectively withstand external loads, and the structural form performs well in resisting pressure, bending and shear forces.

[0036] The above description is merely an embodiment of the present invention and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the description and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A combined roller, characterized in that: include: a roller (1), and An inner wedge column (2) is sleeved on the roller shaft (1), and a roller body (3) is sleeved on the inner wedge column (2), and a plurality of annularly distributed tie rods (4) are installed between the inner wedge column (2) and the roller body (3); The inner wedge column (2) is of a conical truncated cone structure, and a plurality of limiting ridges (21) arranged in an annular shape and distributed along the outer cylindrical surface of the inner wedge column (2) are fixedly embedded on the outer cylindrical surface of the inner wedge column (2); An inner cavity for inserting an inner wedge column (2) is provided in the roller body (3), and an expansion cavity (3a) and a contraction cavity (3b) are respectively provided on both sides of the inner cavity, and a limited position slot (3c) is provided in the inner cavity of the roller body (3).

2. The combined roller according to claim 1, characterized in that: A limiting plate (11) is fixedly embedded at one end of the roller shaft (1) and is used to abut against the small end of the inner wedge column (2).

3. The combined roller according to claim 2, characterized in that: An insertion cavity (2a) is provided in the inner wedge column (2), and the insertion cavity (2a) is inserted on the roller shaft (1) through the insertion cavity (2a).

4. The combined roller according to claim 1, characterized in that: The roller body (3) is inserted into the inner wedge column (2) along the small end of the inner wedge column (2) through the expanded cavity (3a), and the limiting ridges (21) on the inner wedge column (2) are inserted into the limiting slots (3c) provided in the roller body (3) and abut against the inner groove ends of the limiting slots (3c).

5. The combined roller according to claim 4, characterized in that: The large end of the inner wedge column (2) is provided with a plurality of annularly distributed pulling holes A (2b), and the pulling holes A (2b) correspond one-to-one with the stopper slots (3c). The end surface of the roller body (3) provided with a closing cavity (3b) is provided with a plurality of annularly distributed pulling holes B (3d), and the pulling holes B (3d) correspond one-to-one with the limit slots (3c).

6. The combined roller according to claim 5, characterized in that: A rod cap (41) is fixedly engaged at one end of the tie rod (4), and a threaded section (42) is provided on the other side of the tie rod (4).

7. The combined roller according to claim 6, characterized in that: The tie rod (4) passes through the tie hole A (2b) and the tie hole B (3d) corresponding to the tie hole A (2b), and the rod cap (41) on the tie rod (4) abuts against the large end of the inner wedge column (2). The threaded section (42) on the tie rod (4) extends out of the tie hole B (3d) opened on the roller body (3), and a fastening nut (43) for fastening the inner wedge column (2) and the roller body (3) is installed on the threaded section (42).

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