Split type inner cooling channel cold rolling roller structure
By designing a split-type internal cooling channel cold rolling roll structure, the problem of inconvenient assembly, installation, cleaning and maintenance of cold rolling rolls has been solved, realizing convenient installation and regular maintenance of cold rolling rolls, and improving the stability and service life of cold rolling rolls.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- CHANGZHOU LAIHERUN MASCH CO LTD
- Filing Date
- 2025-08-26
- Publication Date
- 2026-07-21
AI Technical Summary
Some cold rolling roll structures with internal cooling channels are not convenient for assembly, installation, and regular cleaning and maintenance.
A split-type internal cooling channel cold rolling roll structure is designed, including a middle cold rolling roll, a first connecting cold rolling roll, and a second connecting cold rolling roll. The roll and the roller are detachably connected by threaded assembly and silicone ring cooperation, and the air circulation is controlled by the cross opening of the guide diaphragm.
This enables convenient assembly, installation, and regular cleaning and maintenance of cold rolling rolls, improving their stability and lifespan.
Smart Images

Figure CN224525603U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of cold rolling roll technology, specifically a split-type internal cooling channel cold rolling roll structure. Background Technology
[0002] Cold rolling rolls are the core components in the cold rolling process. They are mainly used to roll metal sheets at or near room temperature. The internal cooling channel design of cold rolling rolls is a key structure to ensure the stability of the rolls and extend their service life under high temperature and high pressure working conditions. The above-mentioned cold rolling roll structure with internal cooling channel is an example.
[0003] Some cold rolling roll structures with internal cooling channels are inconvenient to assemble and install, and also inconvenient to clean and maintain regularly. Therefore, a split-type internal cooling channel cold rolling roll structure is proposed to address these issues. Summary of the Invention
[0004] The purpose of this utility model is to provide a split-type internal cooling channel cold rolling roll structure to solve the problem that some cold rolling roll structures with internal cooling channels are inconvenient to assemble and install, and are inconvenient to clean and maintain regularly.
[0005] To achieve the above objectives, this utility model provides the following technical solution: A split-type internal cooling channel cold rolling roll structure includes a middle cold rolling roll, a first connecting cold rolling roll, and a second connecting cold rolling roll. The first connecting cold rolling roll is arranged on the left side of the middle cold rolling roll, and the second connecting cold rolling roll is arranged on the right side of the middle cold rolling roll. The middle cold rolling roll includes a roller and a partition ring. The partition ring is fixedly arranged on the outer side of the thin shaft at the left end and the outer side of the thin shaft at the right end of the roller. The first connecting cold rolling roll includes a first roller component, a first ring cylinder, a first silicone ring, a guide tube, and a rubber sealing ring. The first ring cylinder is fixedly arranged on the outer side of the first roller component, the first silicone ring is fixedly arranged inside the first roller component, the guide tube is threadedly installed on the left end of the first roller component, and the rubber sealing ring is installed between the first roller component and the guide tube.
[0006] Preferably, the second connecting cold rolling roll includes a second roll, a second ring cylinder, a second silicone ring, a retaining ring, and a guide diaphragm. The second ring cylinder is fixedly disposed on the outer side of the second roll, the second silicone ring is fixedly disposed inside the second roll, and a retaining ring is fixedly disposed inside the right side of the second roll. A guide diaphragm with a cross-shaped opening is fixedly disposed inside the retaining ring.
[0007] Preferably, the thin shaft at the left end of the roller is threadedly assembled with the internal right side of the first roller, the outer side of the first silicone ring is installed with the thin shaft at the left end of the roller, and the first roller is in close contact with the partition ring on the left side.
[0008] Preferably, the thin shaft at the right end of the roller is threadedly assembled with the internal left side of the second roller, the outer side of the second silicone ring is installed with the thin shaft at the right end of the roller, and the second roller is in close contact with the partition ring on the right side.
[0009] Preferably, the internal channel groove of the second roller is connected to the internal channel groove of the second annular cylinder, and the internal channel groove of the first roller is connected to the internal channel groove of the first annular cylinder, and the roller has a channel groove inside.
[0010] Compared with the prior art, the beneficial effects of this utility model are: In this invention, the thin shaft at the left end of the roller is threaded onto the internal thread of the right side of the first roller until the first roller comes into contact with the partition ring on the left side. The thin shaft at the right end of the roller is threaded onto the internal thread of the left side of the second roller until the second roller comes into contact with the partition ring on the right side. When air flows from the inside of the first roller to the inside of the roller and the second roller, some air is discharged through the channel groove provided in the main structure, while the other part of the air causes the cross opening of the guide diaphragm to expand and flow out. When air flows from the inside of the second roller to the inside of the roller and the first roller, the cross opening of the guide diaphragm shrinks and closes. Through the above arrangement, the main structure facilitates the assembly and installation of cold rolling rolls with internal cooling channel grooves, and facilitates regular cleaning and maintenance of the cold rolling roll structure. Attached Figure Description
[0011] Figure 1 This is a schematic diagram of the overall structure of this utility model; Figure 2 This is a schematic diagram of the cross-sectional structure of the intermediate cold rolling roll of this utility model; Figure 3 This is a schematic diagram of the cross-sectional structure of the first connecting cold rolling roll of this utility model; Figure 4 This is a schematic diagram of the cross-sectional structure of the second connecting cold rolling roll of this utility model; Figure 5 This is a schematic cross-sectional view of the installation of the intermediate cold rolling roll, the first connecting cold rolling roll, and the second connecting cold rolling roll of this utility model. Figure 6 This utility model Figure 5 A magnified structural diagram at point A; Figure 7 This utility model Figure 5 A magnified structural diagram at point B.
[0012] In the diagram: 1. Middle section cold rolling roll; 11. Roller; 12. Partition ring; 2. First connecting cold rolling roll; 21. First roller; 22. First ring cylinder; 23. First silicone ring; 24. Guide tube; 25. Rubber sealing ring; 3. Second connecting cold rolling roll; 31. Second roller; 32. Second ring cylinder; 33. Second silicone ring; 34. Snap ring; 35. Guide diaphragm. Detailed Implementation
[0013] The technical solutions of the utility model embodiments will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the utility model, and not all embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the utility model.
[0014] In the embodiments of the utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicate the orientation or positional relationship based on the position or positional relationship shown in the accompanying drawings. They are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations of the utility model. In addition, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance. Similarly, words such as "an," "a," or "the" do not indicate a quantity limitation, but rather indicate the presence of at least one. Words such as "comprising" or "including" mean that the element or object preceding the word covers the element or object listed after the word and its equivalents, without excluding other elements or objects.
[0015] Furthermore, in the embodiments of the utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. For those skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.
[0016] Please see Figure 1-7 This utility model provides a technical solution: A split-type internal cooling channel cold rolling roll structure includes a middle cold rolling roll 1, a first connecting cold rolling roll 2, and a second connecting cold rolling roll 3. The first connecting cold rolling roll 2 is arranged on the left side of the middle cold rolling roll 1, and the second connecting cold rolling roll 3 is arranged on the right side of the middle cold rolling roll 1. The middle cold rolling roll 1 includes a roller 11 and a partition ring 12. The partition ring 12 is fixedly arranged on the outer side of the thin shaft at the left end and the outer side of the thin shaft at the right end of the roller 11. The first connecting cold rolling roll 2 includes a first roller component 21, a first ring cylinder 22, a first silicone ring 23, a guide tube 24, and a rubber sealing ring 25. The first ring cylinder 22 is fixedly arranged on the outer side of the first roller component 21, the first silicone ring 23 is fixedly arranged inside the first roller component 21, the guide tube 24 is threadedly installed inside the left end of the first roller component 21, and the rubber sealing ring 25 is installed between the first roller component 21 and the guide tube 24.
[0017] The second connecting cold rolling roll 3 includes a second roll 31, a second ring cylinder 32, a second silicone ring 33, a retaining ring 34, and a guide diaphragm 35. The second ring cylinder 32 is fixedly disposed on the outer side of the second roll 31, the second silicone ring 33 is fixedly disposed inside the second roll 31, the retaining ring 34 is fixedly disposed inside the right side of the second roll 31, and the guide diaphragm 35 with a cross opening is fixedly disposed inside the retaining ring 34. Through the above arrangement, the second connecting cold rolling roll 3 is formed and assembled with the right side of the middle section cold rolling roll 1.
[0018] The thin shaft at the left end of the roller 11 is threadedly assembled with the inner right side of the first roller 21. The outer side of the first silicone ring 23 is installed with the thin shaft at the left end of the roller 11. The first roller 21 is in close contact with the partition ring 12 on the left side. Through the above arrangement, the installation structure of the middle section cold rolling roll 1 and the first connecting cold rolling roll 2 is formed.
[0019] The thin shaft at the right end of the roller 11 is threadedly assembled with the internal thread on the left side of the second roller 31. The outer side of the second silicone ring 33 is installed with the thin shaft at the right end of the roller 11. The second roller 31 is in close contact with the partition ring 12 on the right side. Through the above arrangement, the installation structure of the intermediate cold rolling roll 1 and the second connecting cold rolling roll 3 is formed.
[0020] The internal channel groove of the second roller 31 is connected to the internal channel groove of the second ring cylinder 32, and the internal channel groove of the first roller 21 is connected to the internal channel groove of the first ring cylinder 22. The roller 11 has a channel groove inside. Through the above arrangement, three sets of split cold rolling roll assemblies with internal channel grooves are formed.
[0021] Work process: This utility model provides a split internal cooling channel cold rolling roll structure. The main body of the structure facilitates the assembly and installation of cold rolling rolls with internal cooling channel grooves, and facilitates regular cleaning and maintenance of the cold rolling roll structure.
[0022] The intermediate cold rolling roll 1 and the first connecting cold rolling roll 2 are installed and configured. The thin shaft at the left end of the roll 11 is threaded with the internal thread on the right side of the first roll 21, so that the outer side of the first silicone ring 23 is installed with the thin shaft at the left end of the roll 11 until the first roll 21 is in contact with the partition ring 12 on the left side. Then, the intermediate cold rolling roll 1 and the second connecting cold rolling roll 3 are installed and configured. The thin shaft at the right end of the roll 11 is threaded with the internal thread on the left side of the second roll 31, so that the outer side of the second silicone ring 33 is installed with the thin shaft at the right end of the roll 11 until the second roll 31 is in contact with the partition ring 12 on the right side. The cylinder 11, the first roller 21, and the second roller 31 are interconnected. After the main structure is installed, the guide diaphragm 35 acts as a one-way air valve. When air flows from the inside of the first roller 21 to the inside of the cylinder 11 and the second roller 31, part of the air is discharged through the channel groove provided in the main structure, and the other part of the air pushes the guide diaphragm 35, causing the cross opening of the guide diaphragm 35 to expand and the air to flow out. When air flows from the inside of the second roller 31 to the inside of the cylinder 11 and the first roller 21, the air pushes the guide diaphragm 35, causing the cross opening of the guide diaphragm 35 to shrink and close.
[0023] Although embodiments of the utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A split-type internal cooling channel cold rolling roll structure, comprising a middle cold rolling roll (1), a first connecting cold rolling roll (2), and a second connecting cold rolling roll (3), characterized in that: The middle section cold rolling roll (1) is provided with a first connecting cold rolling roll (2) on the left side and a second connecting cold rolling roll (3) on the right side. The middle section cold rolling roll (1) includes a roller (11) and a partition ring (12). The partition ring (12) is fixedly provided on the outer side of the thin shaft at the left end and the outer side of the thin shaft at the right end of the roller (11). The first connecting cold rolling roll (2) includes a first roller (21), a first ring cylinder (22), a first silicone ring (23), a guide (24), and a rubber sealing ring (25). The first ring cylinder (22) is fixedly provided on the outer side of the first roller (21). The first silicone ring (23) is fixedly provided inside the first roller (21). The guide (24) is installed in the threaded part at the left end of the first roller (21). The rubber sealing ring (25) is installed between the first roller (21) and the guide (24).
2. The split-type internal cooling channel cold rolling roll structure according to claim 1, characterized in that: The second connecting cold rolling roll (3) includes a second roll (31), a second ring cylinder (32), a second silicone ring (33), a retaining ring (34), and a guide diaphragm (35). The second ring cylinder (32) is fixedly disposed on the outside of the second roll (31), the second silicone ring (33) is fixedly disposed inside the second roll (31), and the retaining ring (34) is fixedly disposed inside the right side of the second roll (31). The guide diaphragm (35) with a cross opening is fixedly disposed inside the retaining ring (34).
3. The split-type internal cooling channel cold rolling roll structure according to claim 1, characterized in that: The thin shaft at the left end of the roller (11) is threadedly assembled with the inner right side of the first roller (21), the outer side of the first silicone ring (23) is installed with the thin shaft at the left end of the roller (11), and the first roller (21) is in contact with the partition ring (12) on the left side.
4. The split-type internal cooling channel cold rolling roll structure according to claim 2, characterized in that: The thin shaft at the right end of the roller (11) is threadedly assembled with the inner left side of the second roller (31), the outer side of the second silicone ring (33) is installed with the thin shaft at the right end of the roller (11), and the second roller (31) is in contact with the partition ring (12) on the right side.
5. The split-type internal cooling channel cold rolling roll structure according to claim 2, characterized in that: The internal channel groove of the second roller (31) is connected to the internal channel groove of the second ring cylinder (32), the internal channel groove of the first roller (21) is connected to the internal channel groove of the first ring cylinder (22), and the roller (11) has a channel groove inside.