Roll locking device capable of achieving firm locking
By introducing universal bushings, arc blocks, and locking components into the roll locking device, the problem of incomplete locking structure is solved, achieving stability and convenience in roll locking, preventing loosening and slippage, and improving processing results.
Patent Information
- Application Number
- CN202423029898.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-09
- Publication Date
- 2025-11-14
- Estimated Expiration
- 2034-12-09
AI Technical Summary
Existing roll locking devices do not fully consider the locking structure, which may lead to loosening and structural slippage, affecting the processing effect.
A locking structure was designed, comprising a roll shaft head, a universal joint bushing, an arc block, a retaining ring, and a locking assembly. The mounting components are fixed by bolts, and the limiting block is engaged with the roll shaft head to ensure structural stability.
It improves the stability of the roll locking device, prevents loosening, ensures a tight connection of the structure during processing, and enhances operational convenience and work efficiency.
Smart Images

Figure CN223543719U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of rolling mill rolls, specifically a rolling mill roll locking device that provides a secure lock. Background Technology
[0002] Rolls are the main working parts and tools on rolling mills that cause continuous plastic deformation of metals. They are widely used in the processing of metal materials such as steel, aluminum, and copper. They can compress raw metal materials into metal products of the required shape and size. In these fields, the quality and performance of rolls have a crucial impact on the quality and performance of the finished products. During the use of rolls, workers can use roll locking devices to process them.
[0003] However, current roll locking devices still have some shortcomings. For example, a roll shaft head locking device and locking structure with application number 202221013765.5 has not fully considered the locking structure of the roll locking device. If the locking structure of the roll locking device is not fully considered during the use of the roll locking device, it may loosen during subsequent processing and use, causing relative sliding between the structures, which makes it inconvenient for workers to use the roll locking device.
[0004] Therefore, there is an urgent need to improve this shortcoming. This utility model studies and improves the existing structure and its deficiencies, and provides a roll locking device with a secure locking mechanism. Utility Model Content
[0005] The purpose of this invention is to provide a securely locking roll device to solve the problems mentioned in the background art.
[0006] To achieve the above objectives, this utility model provides the following technical solution: a securely locked roll locking device, comprising a roll shaft head and a locking assembly. A universal joint sleeve is provided on the outer side of the end of the roll shaft head, and an arc-shaped block is welded to one side of the universal joint sleeve. A fixing ring is welded to the universal joint sleeve through the arc-shaped block, and an mounting component is provided on one side of the universal joint sleeve. The locking assembly is located in the middle section of the mounting component, and the locking assembly includes a fixing cover, a hollow rod, a rotating component, a limiting screw, a square block, a fixing rod, a connecting rod, a limiting block, and a fixing block.
[0007] Furthermore, there are two mounting components, which are arranged symmetrically one above the other, and bolts are provided on both sides of each mounting component, and the mounting components are fixedly connected to each other by bolts.
[0008] Furthermore, the inner wall of the mounting component is provided with a slot, and the mounting component is engaged with the outer side of the arc-shaped block through the slot, and the mounting component is engaged between the universal joint sleeve and the fixing ring.
[0009] Furthermore, the fixing cover is welded to the inner side of the mounting component, and a hollow rod is provided on the inner side of the fixing cover. A rotating component is fixedly connected to the center of one side of the hollow rod, and limit rings are welded to the upper and lower outer walls of the hollow rod.
[0010] Furthermore, the hollow rod is rotatably connected to the inner side of the fixed cover via a limiting ring, and a limiting screw is rotatably connected to the inner side of the hollow rod. A square block is welded through the end of the limiting screw, and a fixing rod is welded to the center of one side of the square block.
[0011] Furthermore, a first limiting rod is rotatably connected to the center of the end of the fixing rod, and connecting rods are rotatably connected to both sides of the fixing rod through the first limiting rod, and the end of the first limiting rod is engaged and slidably connected to the fixing cover.
[0012] Furthermore, a limiting block is welded to the end of the connecting rod, and a fixing block is welded to one side of the limiting block. A second limiting rod is connected through the middle section of the limiting block and the end of the fixing block, and the end of the second limiting rod is engaged and slidably connected to the inside of the fixing cover.
[0013] Furthermore, the outer wall of the roll head contacts the inner wall of the fixing ring, and one side of the fixing cover extends into the interior of the roll head, while the limiting block extends out of the outer side of the fixing cover and engages with the roll head.
[0014] This utility model provides a securely locking device for rolls, which has the following advantages:
[0015] 1. This utility model is equipped with mounting parts. During the use of the roll locking device, bolts are used to fix the mounting parts that are symmetrically arranged on the upper and lower sides, which makes it convenient for workers to assemble and connect the roll locking device, improves the work efficiency of workers, and has a simple structure, making it more convenient for workers to operate and use the roll locking device.
[0016] 2. This utility model is equipped with a locking component. During the use of the roll locking device, the limiting block extends out of the outer side of the fixing cover and engages with the roll shaft head, thereby locking the roll shaft head, ensuring the overall stability of the structure, preventing loosening during subsequent processing and use, making the connection between structures tighter, preventing relative sliding between structures, making the roll locking more secure, and the structure is simple and convenient for workers to use the roll locking device. Attached Figure Description
[0017] Figure 1 This is a three-dimensional structural diagram of the securely locked roll locking device of this utility model.
[0018] Figure 2This is a three-dimensional structural diagram of the roll shaft head-locking assembly of the securely locked roll locking device of this utility model.
[0019] Figure 3 This is a three-dimensional cross-sectional view of the locking component - the second limiting rod - of the securely locking roll locking device of this utility model.
[0020] In the diagram: 1. Roller shaft head; 2. Universal joint bushing; 3. Arc-shaped block; 4. Fixing ring; 5. Mounting component; 6. Locking assembly; 601. Fixing cover; 602. Hollow rod; 603. Rotating component; 604. Limiting screw; 605. Square block; 606. Fixing rod; 607. Connecting rod; 608. Limiting block; 609. Fixing block; 7. Limiting ring; 8. First limiting rod; 9. Second limiting rod. Detailed Implementation
[0021] The embodiments of this utility model will be described in further detail below with reference to the accompanying drawings and examples. The following examples are for illustrative purposes only and should not be construed as limiting the scope of this utility model.
[0022] like Figure 1 and Figure 2 As shown, the securely locked roll locking device includes a roll shaft head 1 and a locking assembly 6. A universal joint sleeve 2 is provided on the outer side of the end of the roll shaft head 1, and an arc-shaped block 3 is welded to one side of the universal joint sleeve 2. A fixing ring 4 is welded to the universal joint sleeve 2 through the arc-shaped block 3. A mounting part 5 is provided on one side of the universal joint sleeve 2. There are two mounting parts 5, which are symmetrically arranged vertically. Bolts are provided on both sides of the mounting parts 5, and the mounting parts 5 are fixedly connected to each other by bolts. A slot is opened on the inner side wall of the mounting part 5, and the mounting part 5 is engaged with the outer side of the arc-shaped block 3 through the slot. The mounting part 5 is engaged between the universal joint sleeve 2 and the fixing ring 4.
[0023] The specific operation is as follows: the operator puts the universal shaft sleeve 2 on the outer side of the end of the roll head 1, then engages the mounting part 5 with the arc-shaped block 3 welded on one side of the universal shaft sleeve 2, and uses bolts to fix the mounting parts 5 that are symmetrically arranged on the upper and lower sides. This makes it easy for the operator to assemble and connect the roll locking device. The structure is simple, making it more convenient for the operator to operate and use the roll locking device.
[0024] like Figures 1-3As shown, the locking assembly 6 is located in the middle section of the mounting component 5, and the locking assembly 6 includes a fixed cover 601, a hollow rod 602, a rotating component 603, a limiting screw 604, a square block 605, a fixed rod 606, a connecting rod 607, a limiting block 608, and a fixing block 609. The fixed cover 601 is welded to the inner side of the mounting component 5, and a hollow rod 602 is provided on the inner side of the fixed cover 601. A rotating component 603 is fixedly connected to the center of one side of the hollow rod 602, and limiting rings 7 are welded to the upper and lower outer walls of the hollow rod 602. The hollow rod 602 is rotatably connected to the inner side of the fixed cover 601 through the limiting rings 7, and a limiting screw 604 is rotatably connected to the inner side of the hollow rod 602. A square block 605 is welded to the end of the limiting screw 604 through the hollow rod 602, and a square block 606 is welded to the end of the limiting screw 604. A fixing rod 606 is welded to the center of one side of the 5. A first limiting rod 8 is rotatably connected to the center of the end of the fixing rod 606. Connecting rods 607 are rotatably connected to both sides of the fixing rod 606 through the first limiting rod 8. The end of the first limiting rod 8 is engaged and slidably connected to the fixing cover 601. A limiting block 608 is welded to the end of the connecting rod 607. A fixing block 609 is welded to one side of the limiting block 608. A second limiting rod 9 is connected through the middle section of the limiting block 608 and the end of the fixing block 609. The end of the second limiting rod 9 is engaged and slidably connected to the inside of the fixing cover 601. The outer wall of the roll head 1 is in contact with the inner wall of the fixing ring 4. One side of the fixing cover 601 extends into the inside of the roll head 1. The limiting block 608 extends out of the outside of the fixing cover 601 and is engaged and connected to the roll head 1.
[0025] The specific operation is as follows: After the mounting part 5 is fixed, one side of the fixing cover 601 extends into the inside of the roll head 1. Then, the operator rotates the rotating part 603, causing the hollow rod 602 to rotate and connect to the inside of the fixing cover 601 under the restriction of the limiting ring 7. As the hollow rod 602 rotates, the limiting screw 604 connected to its inner side gradually extends out from the hollow rod 602, thereby driving the fixing rod 606 to move. As the fixing rod 606 moves, the connecting rods 607 connected to both ends rotate, thus driving the limiting block 608 to rotate around the second limiting rod 9, and gradually causing the limiting block 608 to extend out of the outside of the fixing cover 601 and engage with the roll head 1, thereby locking the roll head 1, ensuring the overall stability of the structure, avoiding loosening during subsequent processing and use, making the connection between structures tighter, avoiding relative sliding between structures, making the roll locking more secure, and the structure is simple and convenient for operators to use the roll locking device.
[0026] In summary, this securely locked roll locking device, according to Figures 1-3The structure shown illustrates that, during the use of the roll locking device, the operator first places the universal joint sleeve 2 onto the outer end of the roll head 1. Then, the mounting piece 5 is engaged with the arc-shaped block 3 welded to one side of the universal joint sleeve 2, and bolts are used to fix the symmetrically arranged mounting pieces 5 together. After the mounting pieces 5 are fixed, one side of the fixing cover 601 extends into the interior of the roll head 1. Then, the operator rotates the rotating part 603, causing the hollow rod 602 to rotate under the constraint of the limiting ring 7 and connect to the fixing cover 601. Inside, as the hollow rod 602 rotates, the limiting screw 604 rotatably connected to its inner side gradually extends out from the hollow rod 602, thereby driving the fixed rod 606 to move. As the fixed rod 606 moves, the connecting rods 607 rotatably connected to both ends rotate, thus driving the limiting block 608 to rotate around the second limiting rod 9, and gradually causing the limiting block 608 to extend out of the outer side of the fixed cover 601 and engage with the roll shaft head 1, thereby locking the roll shaft head 1. The structure is simple and convenient for workers to use the roll locking device.
[0027] The embodiments of this utility model are given for illustrative and descriptive purposes only, and are not intended to be exhaustive or to limit the utility model to the forms disclosed. Many modifications and variations will be apparent to those skilled in the art. The embodiments were chosen and described in order to better illustrate the principles and practical applications of this utility model, and to enable those skilled in the art to understand this utility model and design various embodiments with various modifications suitable for a particular purpose.
Claims
1. A securely locking roll locking device, comprising a roll shaft head (1) and a locking assembly (6), characterized in that, A universal joint sleeve (2) is provided on the outer side of the end of the roll head (1), and an arc-shaped block (3) is welded to one side of the universal joint sleeve (2). A fixing ring (4) is welded to the universal joint sleeve (2) through the arc-shaped block (3). A mounting part (5) is provided on one side of the universal joint sleeve (2). The locking assembly (6) is located in the middle section of the mounting part (5). The locking assembly (6) includes a fixing cover (601), a hollow rod (602), a rotating part (603), a limiting screw (604), a square block (605), and a fixing rod (606). The mounting includes a connecting rod (607), a limiting block (608), and a fixing block (609). The fixing cover (601) is welded to the inner side of the mounting component (5), and a hollow rod (602) is provided on the inner side of the fixing cover (601). A rotating component (603) is fixedly connected to the center of one side of the hollow rod (602), and limiting rings (7) are welded to the upper and lower outer walls of the hollow rod (602). The hollow rod (602) is rotatably connected to the inner side of the fixing cover (601) through the limiting rings (7), and a limiting wire is rotatably connected to the inner side of the hollow rod (602). A rod (604) is provided, and a square block (605) is welded to the end of the limiting screw (604) through the hollow rod (602). A fixing rod (606) is welded to the center of one side of the square block (605). A first limiting rod (8) is rotatably connected to the center of the end of the fixing rod (606). Connecting rods (607) are rotatably connected to both sides of the fixing rod (606) through the first limiting rod (8). The end of the first limiting rod (8) is engaged and slidably connected to the fixing cover (601). A limiting block (607) is welded to the end of the connecting rod (607). 08), and a fixing block (609) is welded to one side of the limiting block (608), and a second limiting rod (9) is connected through the middle section of the limiting block (608) and the end of the fixing block (609). The end of the second limiting rod (9) is engaged and slidably connected to the inside of the fixing cover (601). The outer wall of the roller head (1) is in contact with the inner wall of the fixing ring (4), and one side of the fixing cover (601) extends into the inside of the roller head (1), and the limiting block (608) extends out of the outside of the fixing cover (601) and engages with the roller head (1).
2. The securely locked roll locking device according to claim 1, characterized in that, The number of the mounting parts (5) is two, the two mounting parts (5) are arranged symmetrically on top of each other, and bolts are provided on both sides of the mounting parts (5), and the mounting parts (5) are fixedly connected to each other by bolts.
3. The securely locked roll locking device according to claim 1, characterized in that, The inner wall of the mounting component (5) is provided with a slot, and the mounting component (5) is engaged with the outer side of the arc block (3) through the slot. The mounting component (5) is engaged between the universal joint sleeve (2) and the fixing ring (4).
Citation Information
Patent Citations
Roller shaft head locking device and locking structure
CN217474447U