Axial locking device for two-roller reducing and sizing rolling mill
By designing an axial locking device for a two-roll reduction-diameter rolling mill, stable axial locking is achieved using components such as workbench, U-shaped frame, slide rod, cylinder and clamp, the problem of axial position in the prior art is solved, and the operation convenience and disassembly and assembly efficiency are improved.
Patent Information
- Application Number
- CN202421800567.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-29
- Publication Date
- 2025-06-06
- Estimated Expiration
- 2034-07-29
AI Technical Summary
The axial locking device of existing diameter rolling mills lacks a stable locking mechanism after use, resulting in unstable axial position of the roll during the rolling process, affecting the dimensional consistency and surface quality of the product.
An axial locking device for a two-roller reduced-diameter rolling mill is designed, which is fixed by a workbench and a U-shaped frame, is fixed with a slide rod and a stabilizing plate, and is locked by a cylinder, a clamping block and a rotating shaft. The locking stability is strengthened by the twisting of the bolts, and a stable axial locking is achieved.
It enhances the stability of axial locking, improves the convenience and accuracy of operation, and is convenient for operators to use, and at the same time, it effectively disassembles and assembles the diameter rolling mill, reducing the disassembly and assembles the duration and improving the disassembly and assembles the efficiency.
Smart Images

Figure CN222944195U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of locking of sizing mills, in particular to an axial locking device for a two-roller reducing and sizing mill. Background Art
[0002] In a two-roll reducing and sizing mill, the axial locking device is a key mechanical device used to ensure that the rolls can be firmly fixed in their positions during operation to ensure the stability and accuracy of the rolling process. This device is designed for the active roll or driven roll of the rolling mill. At the same time, in the steel, aluminum alloy or other metal processing industries, the two-roll reducing and sizing mill is used to reduce the diameter or thickness of large metal billets through the rolling process to produce plates or strips of required specifications.
[0003] The axial locking device of the two-roll reducing and sizing mill is mainly used to ensure that the rollers maintain a stable axial position during operation and to prevent unnecessary movement or deviation of the rollers under high speed and high pressure. The following are some typical use scenarios of this device. The axial locking device ensures that the rollers maintain a stable position at high speed to ensure the accuracy and surface quality of the product.
[0004] The axial locking device of the existing radial rolling mill is composed of a locking nut, a locking washer and a locating pin. However, after use, the axial locking device of the current radial rolling mill lacks a stable locking mechanism, which will cause the axial position of the roller to be unstable during the rolling process, resulting in inconsistent dimensions or uneven surface quality of the rolled products, thereby affecting the quality and specification compliance of the products. Utility Model Content
[0005] In order to make up for the above shortcomings, the utility model provides an axial locking device for a two-roll reducing and sizing mill, which aims to improve the problem that the existing mid-diameter rolling mill lacks a stable locking mechanism, which leads to unstable axial position of the rollers during the rolling process, resulting in inconsistent size or uneven surface quality of the rolled products, thereby affecting the quality and specification compliance of the products.
[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: an axial locking device for a two-roll reducing and sizing rolling mill, comprising a workbench, the top of the workbench is fixedly connected to a support plate, the top of the support plate is fixedly connected to a U-shaped frame, the left and right ends of the front side of the U-shaped frame are fixedly connected to slide bars, the front sides of the two slide bars are fixedly connected to a stabilizing plate, the middle part of the rear side of the stabilizing plate is fixedly connected to a cylinder, the output end of the cylinder is fixedly connected to a long plate, the upper and lower sides of the inner part of the long plate are fixedly connected There is a circular ring, and blocks are fixedly connected to the upper and lower sides of the inner part of the circular ring. The upper and lower sides of the inner wall of the U-shaped frame are rotatably connected to a rotating shaft. A second clamping groove is provided on the front side of the outer wall of the rotating shaft. The inner side of the second clamping groove is engaged with the outer wall of the clamping block. An L-shaped plate is fixedly connected to the middle part of the rear side of the long plate. Bolt two is threadedly connected to the front side of the L-shaped plate. The outer wall of the bolt two is threadedly connected to the front side of the U-shaped frame. An installation mechanism is provided on the outer wall of the workbench, and the installation mechanism is used to disassemble and assemble the radial rolling mill.
[0007] As a further description of the above technical solution:
[0008] The mounting mechanism includes a base plate, the inner side of the base plate is arranged at the bottom of the outer wall of the workbench, the outer wall of the workbench is provided with a card slot 1, the right side of the base plate is provided with a card hole 1, the right side of the inner side of the card hole 1 is provided with a card hole 2, the inner side of the card hole 2 is engaged with a T-shaped buckle, the outer wall of the card slot 1 is engaged with the inner side of the card hole 1, the four corners of the base plate are fixedly connected, and the top thread is connected with a bolt 1.
[0009] As a further description of the above technical solution:
[0010] An L-shaped block is fixedly connected to the bottom of the rear side of the U-shaped frame, a servo motor is fixedly connected to the front side of the L-shaped block, a gear 2 is fixedly connected to the output end of the servo motor, a gear 1 is meshedly connected to the outer wall of the gear 2, and the front sides of the gear 1 and the gear 2 are respectively fixedly connected to the rear sides of the corresponding rotating shafts.
[0011] As a further description of the above technical solution:
[0012] A telescopic rod is fixedly connected to the right side of the interior of the U-shaped frame, a connecting plate is fixedly connected to the output end of the telescopic rod, and a clamping column is fixedly connected to the bottom of the connecting plate.
[0013] As a further description of the above technical solution:
[0014] The rear side of the outer wall of the rotating shaft is provided with holes, and the inner sides of the holes are engaged with the clamping columns.
[0015] As a further description of the above technical solution:
[0016] The front side of the bottom plate is fixedly connected with a fluorescent plate, and the middle part of the top surface of the T-shaped buckle is fixedly connected with a handle.
[0017] As a further description of the above technical solution:
[0018] The left side of the top of the workbench is fixedly connected with an illuminating lamp, and the middle part of the right side of the top surface of the workbench is fixedly connected with a storage battery.
[0019] As a further description of the above technical solution:
[0020] A controller is fixedly connected to the right side of the top of the workbench, and the controller is electrically connected to the battery, the lighting lamp, the L-shaped block, the telescopic rod and the cylinder respectively.
[0021] The utility model has the following beneficial effects:
[0022] 1. In the utility model, the workbench is fixed to the U-shaped frame, and the sliding rod is fixed to the stabilizing plate. The cylinder fixedly connected to the stabilizing plate is opened. When it moves to the end, the clamping block is locked with the clamping groove 2 opened on the rotating shaft. The bolt 2 threadedly connected on the L-shaped plate 1 is twisted to the U-shaped frame to enhance the stability of the locking, so that the clamping column and the inner side of the hole can be stably engaged. Therefore, the axial locking device is designed to enhance the stability of the axial locking, thereby improving the convenience and accuracy of operation and facilitating the use of operators.
[0023] 2. In the utility model, after the card slot 1 opened on the workbench and the card hole 1 opened on the bottom plate are engaged with each other, the outer wall of the T-shaped buckle is engaged with the inner side of the card hole 2, so that the card slot 1 is stably engaged with the inner side of the card hole 1, and then the threaded bolt 1 is connected to the fixed object to complete the installation, thereby realizing the effective disassembly and assembly operation of the radial rolling mill, and the disassembly and assembly process is more convenient, reducing the disassembly and assembly time, thereby improving the disassembly and assembly efficiency of the radial rolling mill. BRIEF DESCRIPTION OF THE DRAWINGS
[0024] Figure 1 This is a front perspective view of a workbench of an axial locking device for a two-roller reducing and sizing mill proposed by the utility model;
[0025] Figure 2 This is a disassembled diagram of the rotating shaft structure of an axial locking device for a two-roll reducing and sizing mill proposed by the utility model;
[0026] Figure 3 This is a disassembled display diagram of a U-shaped frame of an axial locking device for a two-roller reducing and sizing mill proposed by the utility model;
[0027] Figure 4The utility model is a schematic diagram of the disassembly of the bottom plate of an axial locking device for a two-roll reducing and sizing mill.
[0028] Legend:
[0029] 1. Workbench; 2. Mounting mechanism; 201. L-shaped plate 1; 202. Bolt 1; 203. Bottom plate; 204. Clamp hole 1; 205. Clamp hole 2; 206. T-shaped buckle; 207. Handle; 208. Clamp slot 1; 3. Fluorescent plate; 4. Controller; 5. Rotating shaft; 6. Long plate; 7. Connecting plate; 8. U-shaped frame; 9. Support plate; 10. Battery; 11. Lighting lamp; 12. Circular ring; 13. Stabilizing plate; 14. Cylinder; 15. Sliding rod; 16. Clamp block; 17. L-shaped plate 1; 18. Clamp slot 2; 19. Hole; 20. Gear 1; 21. Servo motor; 22. L-shaped block; 23. Gear 2; 24. Clamp column; 25. Telescopic rod; 26. Bolt 2. DETAILED DESCRIPTION
[0030] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0031] Please refer to the attached Figure 1 - Attachment Figure 3The utility model provides an embodiment: an axial locking device for a two-roll reducing and sizing rolling mill, comprising a workbench 1, a support plate 9 is fixedly connected to the top of the workbench 1, a U-shaped frame 8 is fixedly connected to the top of the support plate 9, the left and right ends of the front side of the U-shaped frame 8 are fixedly connected to slide bars 15, a stabilizing plate 13 is fixedly connected between the front sides of the two slide bars 15, a cylinder 14 is fixedly connected to the middle of the rear side of the stabilizing plate 13, an elongated plate 6 is fixedly connected to the output end of the cylinder 14, a circular ring 12 is fixedly connected to the upper and lower sides of the inner part of the elongated plate 6, a clamping block 16 is fixedly connected to the upper and lower sides of the inner wall of the U-shaped frame 8, a rotating shaft 5 is rotatably connected to the upper and lower sides of the inner wall of the rotating shaft 5, and a rotating shaft 5 is provided on the front side of the outer wall There is a second card slot 18, the inner side of the second card slot 18 is engaged with the outer wall of the card block 16, the middle part of the rear side of the long plate 6 is fixedly connected with an L-shaped plate 17, the front side of the L-shaped plate 17 is threadedly connected with a second bolt 26, the outer wall of the second bolt 26 is threadedly connected with the front side of the U-shaped frame 8, the outer wall of the workbench 1 is provided with a mounting mechanism 2, the mounting mechanism 2 is used for disassembling and assembling the radial rolling mill, the rear bottom of the U-shaped frame 8 is fixedly connected with an L-shaped block 22, the front side of the L-shaped block 22 is fixedly connected with a servo motor 21, the output end of the servo motor 21 is fixedly connected with a second gear 23, the outer wall of the second gear 23 is meshedly connected with a gear 1 20, and the front sides of the gear 1 20 and the gear 2 23 are respectively fixedly connected with the rear side of the corresponding rotating shaft 5;
[0032] Specifically, it is directly fixed on the top of the workbench 1 through the support plate 9, and its function is to provide a stable support for the U-shaped frame 8. The slide bar 15 is made of high-quality steel, and the surface is rust-proofed to ensure smooth sliding and not easy to damage during long-term use. The stabilizing plate 13 is used to enhance the connection strength between the two slide bars 15, and at the same time serves as a fixed base for the cylinder 14. The circular ring 12 fixed on the upper and lower sides of the elongated plate 6 and the block 16 inside it cooperate with the slot 18 on the rotating shaft 5, and can be quickly locked with the rotating shaft 5 to maintain a stable working state. At the same time, the material of the circular ring 12 and the block 16 should have good wear resistance and toughness to ensure reliability in long-term use.
[0033] Please refer to the attached Figure 4 The mounting mechanism 2 includes a bottom plate 203, the inner side of the bottom plate 203 is arranged at the bottom of the outer wall of the workbench 1, the outer wall of the workbench 1 is provided with a card slot 208, the right side of the bottom plate 203 is provided with a card hole 204, the right side of the inner side of the card hole 204 is provided with a card hole 205, the inner side of the card hole 205 is engaged with a T-shaped card buckle 206, the outer wall of the card slot 208 is engaged with the inner side of the card hole 204, the four corners of the bottom plate 203 are fixedly connected with 201, the top of 201 is threadedly connected with a bolt 202, the front side of the bottom plate 203 is fixedly connected with a fluorescent plate 3, and the middle part of the top surface of the T-shaped card buckle 206 is fixedly connected with a handle 207;
[0034] Specifically, the base plate 203 is used as the basic component to support the entire workbench 1, and its material should be selected from strong and durable materials, such as cold-rolled steel plates or high-strength alloys, to ensure long-term load stability. The inner side of the base plate 203 fits tightly to the bottom of the outer wall of the workbench 1. This design not only increases the overall strength of the structure, but also the card slot 1 208 is evenly opened on the outer wall of the workbench 1, and the card hole 1 204 is set at the corresponding position of the base plate 203. When the base plate 203 is close to the workbench 1, the design of the T-shaped buckle 206 enables it to be easily inserted into the card hole 205, and achieves a firm snap fit through its unique shape. This double locking mechanism ensures that it is stable even when subjected to large external forces or vibrations.
[0035] Please refer to the attached Figure 1 - Attachment Figure 3 The right side of the U-shaped frame 8 is fixedly connected with a telescopic rod 25, the output end of the telescopic rod 25 is fixedly connected with a connecting plate 7, the bottom of the connecting plate 7 is fixedly connected with a clamping column 24, the rear side of the outer wall of the rotating shaft 5 is provided with a hole 19, the inner side of the hole 19 is engaged with the clamping column 24, the left side of the top of the workbench 1 is fixedly connected with a lighting lamp 11, the middle part of the right side of the top surface of the workbench 1 is fixedly connected with a battery 10, and the right side of the top of the workbench 1 is fixedly connected with a controller 4, and the controller 4 is electrically connected to the battery 10, the lighting lamp 11, the L-shaped block 22, the telescopic rod 25 and the cylinder 14 respectively;
[0036] Specifically, the telescopic rod 25 can accurately control the lifting or telescopic movement of the connecting plate 7 to meet different work requirements. The bottom of the connecting plate 7 is fixedly connected with a card column 24, and these card columns 24 match the holes 19 opened on the rear side of the outer wall of the rotating shaft 5. When the telescopic rod 25 pushes the connecting plate 7 to move to the specified position, sufficient light is provided for fine work on the workbench 1. The designer fixedly connects the lighting lamp 11 to the left side of the top of the workbench 1. The layout position of the lighting lamp 11 has been carefully considered to ensure that the light can be evenly irradiated to the surface of the workbench 1, reduce the shadow area, and improve the working accuracy. The battery 10 is fixedly connected to the middle right side of the top surface of the workbench 1, and the battery 10 serves as an independent power supply unit.
[0037] Working principle: When the axial locking device of the radial rolling mill is needed, the workbench 1 is first fixed to the U-shaped frame 8, and then the slide bar 15 is fixed to the stabilizing plate 13, and then the cylinder 14 fixedly connected to the stabilizing plate 13 is opened, so as to push the second card slot 18 and the circular ring 12 to move along the outer wall of the rotating shaft 5. When it moves to the end, the card block 16 is locked with the second card slot 18 opened on the rotating shaft 5, so that the rotating shaft 5 cannot move, and finally the bolt 26 threadedly connected on the L-shaped plate 17 is twisted to the U-shaped frame 8 to strengthen the locking stability, and finally the connecting plate 7 and the clamping column 24 are moved downward by the telescopic rod 25, so as to cooperate with the clamping column 24 and the inner side of the hole 19 for stable engagement, so as to realize the design of the axial locking device, enhance the stability of the axial locking, thereby improving the convenience and accuracy of operation, and facilitating the use of operators:
[0038] After that, after the slot 208 opened on the matching workbench 1 is engaged with the hole 204 opened on the bottom plate 203, the T-shaped buckle 206 is picked up by the matching handle 207, and the outer wall of the T-shaped buckle 206 is engaged with the inner side of the hole 205, so that the slot 208 is stably engaged with the inner side of the hole 204 to avoid falling off, and finally the bolt 202 threadedly connected on the matching 201 is connected to the fixed object to complete the installation, thereby realizing the effective disassembly and assembly operation of the radial rolling mill, and the disassembly and assembly process is more convenient, reducing the disassembly and assembly time, thereby improving the disassembly and assembly efficiency of the radial rolling mill.
[0039] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.
Claims
1. An axial locking device for a two-roll reducing and sizing mill, comprising a workbench (1), characterized in that: The top of the workbench (1) is fixedly connected to a support plate (9), the top of the support plate (9) is fixedly connected to a U-shaped frame (8), the left and right ends of the front side of the U-shaped frame (8) are fixedly connected to sliding rods (15), the front sides of the two adjacent sliding rods (15) are fixedly connected to a stabilizing plate (13), the middle of the rear side of the stabilizing plate (13) is fixedly connected to a cylinder (14), the output end of the cylinder (14) is fixedly connected to a long plate (6), the upper and lower sides of the inner part of the long plate (6) are fixedly connected to a circular ring (12), and the upper and lower sides of the inner part of the circular ring (12) are fixedly connected to a card block (1 6), the upper and lower sides of the inner wall of the U-shaped frame (8) are rotatably connected to a rotating shaft (5), the front side of the outer wall of the rotating shaft (5) is provided with a second clamping groove (18), the inner side of the second clamping groove (18) is engaged with the outer wall of the clamping block (16), the middle part of the rear side of the elongated plate (6) is fixedly connected with an L-shaped plate (17), the front side of the L-shaped plate (17) is threadedly connected with a second bolt (26), the outer wall of the second bolt (26) is threadedly connected with the front side of the U-shaped frame (8), and the outer wall of the workbench (1) is provided with a mounting mechanism (2), and the mounting mechanism (2) is used for disassembling and assembling the radial rolling mill.
2. The axial locking device for a two-roll reducing and sizing mill according to claim 1, characterized in that: The mounting mechanism (2) comprises a base plate (203), the inner side of the base plate (203) is arranged at the bottom of the outer wall of the workbench (1), the outer wall of the workbench (1) is provided with a first card slot (208), the right side of the base plate (203) is provided with a first card hole (204), the right side of the inside of the first card hole (204) is provided with a second card hole (205), the inner side of the second card hole (205) is engaged with a T-shaped buckle (206), the outer wall of the first card slot (208) is engaged with the inner side of the first card hole (204), the four corners of the base plate (203) are fixedly connected with (201), and the top of the (201) is threadedly connected with a bolt (202).
3. The axial locking device for a two-roll reducing and sizing mill according to claim 1, characterized in that: The rear bottom of the U-shaped frame (8) is fixedly connected to an L-shaped block (22), the front side of the L-shaped block (22) is fixedly connected to a servo motor (21), the output end of the servo motor (21) is fixedly connected to a second gear (23), the outer wall of the second gear (23) is meshingly connected to a first gear (20), and the front sides of the first gear (20) and the second gear (23) are respectively fixedly connected to the rear sides of the corresponding rotating shafts (5).
4. The axial locking device for a two-roll reducing and sizing mill according to claim 1, characterized in that: A telescopic rod (25) is fixedly connected to the right side of the interior of the U-shaped frame (8), an output end of the telescopic rod (25) is fixedly connected to a connecting plate (7), and a clamping column (24) is fixedly connected to the bottom of the connecting plate (7).
5. The axial locking device for a two-roll reducing and sizing mill according to claim 1, characterized in that: A hole (19) is provided on the rear side of the outer wall of the rotating shaft (5), and the inner side of the hole (19) is engaged with the clamping column (24).
6. The axial locking device for a two-roll reducing and sizing mill according to claim 2, characterized in that: The front side of the bottom plate (203) is fixedly connected to a fluorescent plate (3), and the middle part of the top surface of the T-shaped buckle (206) is fixedly connected to a handle (207).
7. The axial locking device for a two-roll reducing and sizing mill according to claim 1, characterized in that: A lighting lamp (11) is fixedly connected to the left side of the top of the workbench (1), and a storage battery (10) is fixedly connected to the middle part of the right side of the top surface of the workbench (1).
8. The axial locking device for a two-roll reducing and sizing mill according to claim 1, characterized in that: A controller (4) is fixedly connected to the right side of the top of the workbench (1), and the controller (4) is electrically connected to the battery (10), the lighting lamp (11), the L-shaped block (22), the telescopic rod (25) and the cylinder (14) respectively.