Four-roller mill structure capable of quickly replacing rollers
The quick-change structure for support rolls and work rolls solves the problem of inconvenient roll installation in four-high rolling mills, enabling convenient installation and high-precision rolling operations.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- TIANJIN JINGZHOU STAINLESS STEEL PROD
- Filing Date
- 2025-03-31
- Publication Date
- 2026-04-28
AI Technical Summary
The inconvenience of installing the rolls in existing four-roll mills results in insufficient rolling accuracy and flexibility.
The system employs a quick-change structure for the support roller and the work roller. The combination of a through-type lead screw motor and a fixing clamp enables convenient installation of the support roller and the work roller, and the height of the work roller can be adjusted via an adjustment frame.
It improves the ease of roller installation and rolling accuracy, and enhances the flexibility of rolling operations.
Smart Images
Figure CN224168344U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of four-roll mill technology, specifically a four-roll mill structure with quick roll replacement. Background Technology
[0002] A four-roll mill is a common metal processing equipment, consisting of a work roll and support rolls arranged above and below it. The work roll has a smaller diameter and is used to directly roll metal materials. The support roll has a diameter more than twice that of the work roll and mainly serves to support the work roll and reduce its deflection.
[0003] However, in current commercially available four-high rolling mills, the rolls are installed into the bearing housings by hammering, which is inconvenient and can cause roll misalignment during installation, affecting rolling accuracy. Furthermore, the fixed height of the work rolls limits the flexibility of rolling operations. Therefore, those skilled in the art have provided a four-high rolling mill structure with quick roll replacement to solve the problems mentioned in the background section. Utility Model Content
[0004] The purpose of this invention is to provide a four-high rolling mill structure with quick roll replacement to solve the problems mentioned in the background art.
[0005] To achieve the above objectives, this utility model provides the following technical solution:
[0006] A four-high rolling mill structure with quick-change rolls includes a support roll mounting component, a transmission component, a support roll body, a work roll body, and a support rod. The transmission component is located above the support roll mounting component, the support roll body is located at the outer end of the support roll mounting component, the work roll body is located inside the transmission component, and the support rod is located below the support roll mounting component. The transmission component includes an adjusting frame, a through-type lead screw motor is mounted on the upper side of the adjusting frame, and a lead screw body is disposed inside the through-type lead screw motor. The work roll mounting component is disposed inside the adjusting frame, and a transmission frame is disposed below the work roll mounting component. A transmission wheel is disposed on one side of the transmission frame, and a transmission belt is disposed on the outer side of the transmission wheel. A driven wheel is disposed on one side of the work roll body, and a transmission motor is mounted on the other side of the transmission frame corresponding to the position of the transmission wheel. The support roll mounting component includes a first bracket, and a first fixing clamp is disposed on the upper side of the first bracket. The work roll mounting component includes a second bracket, and a second fixing clamp is disposed on the upper side of the second bracket.
[0007] As a further embodiment of this utility model: a first sliding groove is provided on the front side of the first fixing clamp, a first threaded rod is provided on the upper side of the first bracket at the inner position of the first sliding groove, a first nut is provided at the upper end of the first threaded rod, a first positioning screw is provided on the upper side of the first fixing clamp, a second sliding groove is provided on the front side of the second fixing clamp, a second threaded rod is provided on the upper side of the second bracket at the inner position of the second sliding groove, a second nut is provided at the upper end of the second threaded rod, and a second positioning screw is provided on the upper side of the second fixing clamp.
[0008] As a further embodiment of this utility model: the outer end of the support roller body rotates to the corresponding side position of the first bracket and the first fixing clamp, and the rear end of the first fixing clamp rotates to the upper side position of the first bracket.
[0009] As a further embodiment of this utility model: the outer end of the working roller body rotates to the corresponding side position of the second bracket and the second fixing clamp, the rear end of the second fixing clamp rotates to the upper side position of the second bracket, the transmission wheel rotates to one side position of the transmission frame through the transmission motor, and the other end of the transmission belt is located at the outward position of the driven wheel.
[0010] As a further embodiment of this utility model: the upper end of the lead screw body slides at the upper position of the adjusting frame, the lead screw body slides at the upper position of the adjusting frame through a through-type lead screw motor, the lower end of the lead screw body is fixed at the upper side of the working roller mounting component, and the working roller mounting component slides at the inner side of the adjusting frame through the lead screw body.
[0011] As a further embodiment of this utility model: the first slide groove slides on the outer side of the first threaded rod, the first threaded rod is fixed to the inner side of the first slide groove by the first nut, and the support roller body is fixed to the inner side of the first bracket and the first fixing clamp by the first positioning screw.
[0012] As a further embodiment of this utility model: the second slide groove slides on the outer side of the second threaded rod, the second threaded rod is fixed to the inner side of the second slide groove by the second nut, and the working roller body is fixed to the inner side of the second bracket and the second fixing clamp by the second positioning screw.
[0013] Compared with the prior art, the beneficial effects of this utility model are:
[0014] 1. The present invention provides a four-roll mill structure with quick roll replacement. The main body of the supporting roll is installed through the first bracket and the first fixing clamp, and the main body of the working roll is installed through the second bracket and the second fixing clamp. This improves the convenience of installation, avoids roll deviation during installation, and is beneficial to the accuracy of rolling.
[0015] 2. By adjusting the height of the work roll mounting components through the through-type lead screw motor and the lead screw body, rolling operations of metal plates of different thicknesses can be completed, which is beneficial to the flexibility of the rolling operation. Attached Figure Description
[0016] Figure 1 This is a schematic diagram of a four-high rolling mill structure with quick roll replacement;
[0017] Figure 2 This is a schematic diagram of the transmission components in a four-high rolling mill structure with quick roll replacement;
[0018] Figure 3 for Figure 1 A schematic diagram of the structure of part A;
[0019] Figure 4 This is a schematic diagram of the support roll mounting components in a four-high rolling mill structure with quick roll replacement.
[0020] Figure 5 This is a schematic diagram of the working roll mounting components in a four-high rolling mill structure with quick roll replacement.
[0021] In the diagram: 1. Support roller mounting component; 2. Transmission component; 3. Support roller body; 4. Work roller body; 5. Support rod; 6. Adjusting frame; 7. Through-type lead screw motor; 8. Lead screw body; 9. Work roller mounting component; 10. Transmission frame; 11. Transmission wheel; 12. Transmission belt; 13. Driven wheel; 14. Transmission motor; 15. First bracket; 16. First fixing clamp; 17. Second bracket; 18. Second fixing clamp; 19. First slide groove; 20. First threaded rod; 21. First nut; 22. First positioning screw; 23. Second slide groove; 24. Second threaded rod; 25. Second nut; 26. Second positioning screw. Detailed Implementation
[0022] Please see Figures 1-5In this embodiment of the present invention, a four-high rolling mill structure with quick roll replacement includes a support roll mounting component 1, a transmission component 2, a support roll body 3, a work roll body 4, and a support rod 5. The transmission component 2 is located on the upper side of the support roll mounting component 1, the support roll body 3 is located at the outer end of the support roll mounting component 1, the work roll body 4 is located on the inner side of the transmission component 2, and the support rod 5 is located on the lower side of the support roll mounting component 1. The transmission component 2 includes an adjusting frame 6, a through-type lead screw motor 7 is mounted on the upper side of the adjusting frame 6, a lead screw body 8 is disposed inside the through-type lead screw motor 7, a work roll mounting component 9 is disposed on the inner side of the adjusting frame 6, and a transmission frame 10 is disposed on the lower side of the work roll mounting component 9. One side of the transmission frame 10 is provided with... A drive wheel 11 is provided, and a drive belt 12 is provided on the outer side of the drive wheel 11. A driven wheel 13 is provided on one side of the working roller body 4. A drive motor 14 is installed on the other side of the drive frame 10 at the position corresponding to the drive wheel 11. The support roller mounting component 1 includes a first bracket 15, and a first fixing clamp 16 is provided on the upper side of the first bracket 15. The working roller mounting component 9 includes a second bracket 17, and a second fixing clamp 18 is provided on the upper side of the second bracket 17. The outer end of the support roller body 3 rotates to the corresponding side position of the first bracket 15 and the first fixing clamp 16. The rear end of the first fixing clamp 16 rotates to the upper side position of the first bracket 15. The outer end of the working roller body 4 rotates to the corresponding side position of the second bracket 17 and the second fixing clamp 18. The rear end rotates to the upper position of the second bracket 17. The transmission wheel 11 rotates to one side of the transmission frame 10 via the transmission motor 14. The other end of the transmission belt 12 is located at the outward position of the driven wheel 13. The upper end of the lead screw body 8 slides at the upper position of the adjusting frame 6. The lead screw body 8 slides at the upper position of the adjusting frame 6 via the through-type lead screw motor 7. The lower end of the lead screw body 8 is fixed to the upper position of the work roll mounting component 9. The work roll mounting component 9 slides at the inner position of the adjusting frame 6 via the lead screw body 8. First, a four-roll mill structure with quick roll replacement is constructed. The through-type lead screw motor 7 drives the lead screw body 8 to slide at the upper end of the adjusting frame 6. The lead screw body 8 drives the work roll mounting component 9 to slide at the inner position of the adjusting frame 6. Move the work roller mounting component 9 upward, rotate the first fixing clamp 16 to open the first fixing clamp 16, place the outer end of the support roller body 3 on the corresponding side of the first bracket 15 and the first fixing clamp 16, rotate the first fixing clamp 16 to fix the support roller body 3 to the inner side of the first bracket 15 and the first fixing clamp 16, completing the installation of the support roller body 3. Rotate the second fixing clamp 18 to open the second fixing clamp 18, place the outer end of the work roller body 4 on the corresponding side of the second bracket 17 and the second fixing clamp 18, rotate the second fixing clamp 18 to fix the work roller body 4 to the inner side of the second bracket 17 and the second fixing clamp 18, completing the installation of the work roller body 4. Then, the through-type lead screw motor 7 runs, driving the lead screw body 8 to slide on the upper end of the adjusting frame 6.The lead screw body 8 drives the work roll mounting component 9 to slide inside the adjusting frame 6, lowering the work roll mounting component 9 and adjusting the distance between the support roll body 3 and the work roll body 4. Material is placed on the upper side of the support roll body 3. The drive motor 14 drives the drive wheel 11 to rotate on one side of the drive frame 10. The drive wheel 11 drives the driven wheel 13 to rotate via the drive belt 12. The driven wheel 13 drives the work roll body 4 to rotate, rolling the material.
[0023] exist Figure 1 , 2 In sections 4 and 5: The first fixing clamp 16 has a first sliding groove 19 on its front side; a first threaded rod 20 is provided on the upper side of the first bracket 15, located inside the first sliding groove 19; a first nut 21 is provided at the upper end of the first threaded rod 20; a first positioning screw 22 is provided on the upper side of the first fixing clamp 16; the second fixing clamp 18 has a second sliding groove 23 on its front side; a second threaded rod 24 is provided on the upper side of the second bracket 17, located inside the second sliding groove 23; a second nut 25 is provided at the upper end of the second threaded rod 24; and a second positioning screw 25 is provided on the upper side of the second fixing clamp 18. 6. The first slide groove 19 slides on the outer side of the first threaded rod 20. The first threaded rod 20 is fixed to the inner side of the first slide groove 19 by the first nut 21. The support roller body 3 is fixed to the inner side of the first bracket 15 and the first fixing clamp 16 by the first positioning screw 22. The second slide groove 23 slides on the outer side of the second threaded rod 24. The second threaded rod 24 is fixed to the inner side of the second slide groove 23 by the second nut 25. The work roller body 4 is fixed to the inner side of the second bracket 17 and the second fixing clamp 18 by the second positioning screw 26. The first nut 21... Turn out the first threaded rod 20, rotate the first fixing clamp 16, and the first slide groove 19 slides out of the first threaded rod 20. Open the first fixing clamp 16, place the outer end of the support roller body 3 on the corresponding side of the first bracket 15 and the first fixing clamp 16, rotate the first fixing clamp 16, and the first slide groove 19 slides into the first threaded rod 20. Rotate the first nut 21 to the outside of the first threaded rod 20 to fix the first slide groove 19 to the outside of the first threaded rod 20. Rotate the first positioning screw 22 to fix the support roller body 3 to the inside of the first bracket 15 and the first fixing clamp 16, completing the installation of the support roller body 3. Turn the cap 21 out of the first threaded rod 20, rotate the second fixing clamp 18, the second slide groove 23 slides out of the second threaded rod 24, open the second fixing clamp 18, place the outer end of the work roller body 4 on the corresponding side of the second bracket 17 and the second fixing clamp 18, rotate the second fixing clamp 18, the second slide groove 23 slides into the second threaded rod 24, the second nut 25 rotates to the outside of the second threaded rod 24 to fix the second slide groove 23 to the outside of the second threaded rod 24, rotate the second positioning screw 26 to fix the work roller body 4 to the inside of the second bracket 17 and the second fixing clamp 18, and complete the installation of the work roller body 4.
[0024] The working principle of this utility model is as follows: First, in a four-roll mill structure with quick roll replacement, the through-type lead screw motor 7 drives the lead screw body 8 to slide at the upper end of the adjusting frame 6. The lead screw body 8 drives the work roll mounting component 9 to slide inside the adjusting frame 6. When the work roll mounting component 9 is moved upward, the first nut 21 rotates out the first threaded rod 20. The first fixing clamp 16 is rotated, and the first sliding groove 19 slides out the first threaded rod 20. The first fixing clamp 16 is opened, and the outer end of the support roll body 3 is placed on the first bracket 1. 5. On the side corresponding to the first fixing clamp 16, rotate the first fixing clamp 16, and the first sliding groove 19 slides into the first threaded rod 20. The first nut 21 rotates to the outside of the first threaded rod 20 to fix the first sliding groove 19 to the outside of the first threaded rod 20. Rotate the first positioning screw 22 to fix the support roller body 3 to the inside of the first bracket 15 and the first fixing clamp 16, completing the installation of the support roller body 3. The first nut 21 rotates out of the first threaded rod 20. Rotate the second fixing clamp 18, and the second sliding groove 23 slides out of the second threaded rod 20. Open the second fixing clamp 18, place the outer end of the work roller body 4 on the corresponding side of the second bracket 17 and the second fixing clamp 18, rotate the second fixing clamp 18, the second sliding groove 23 slides into the second threaded rod 24, the second nut 25 rotates to the outside of the second threaded rod 24 to fix the second sliding groove 23 to the outside of the second threaded rod 24, rotate the second positioning screw 26 to fix the work roller body 4 to the inside of the second bracket 17 and the second fixing clamp 18, completing the installation of the work roller body 4, and then, through-type The screw motor 7 drives the screw body 8 to slide on the upper end of the adjusting frame 6. The screw body 8 drives the work roll mounting component 9 to slide on the inner side of the adjusting frame 6. The work roll mounting component 9 is moved down, adjusting the distance between the support roll body 3 and the work roll body 4. The material is placed on the upper side of the support roll body 3. The drive motor 14 drives the drive wheel 11 to rotate on one side of the drive frame 10. The drive wheel 11 drives the driven wheel 13 to rotate through the drive belt 12. The driven wheel 13 drives the work roll body 4 to rotate, rolling the material.
[0025] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.
Claims
1. A four-high rolling mill structure with quick-change rolls, comprising a support roll mounting component (1), a transmission component (2), a support roll body (3), a work roll body (4), and a support rod (5), wherein the transmission component (2) is located on the upper side of the support roll mounting component (1), the support roll body (3) is located at the outer end of the support roll mounting component (1), the work roll body (4) is located on the inner side of the transmission component (2), and the support rod (5) is located on the lower side of the support roll mounting component (1), characterized in that, The transmission component (2) includes an adjustment frame (6), a through-type lead screw motor (7) is installed on the upper side of the adjustment frame (6), a lead screw body (8) is provided inside the through-type lead screw motor (7), a work roller mounting component (9) is provided on the inner side of the adjustment frame (6), a transmission frame (10) is provided on the lower side of the work roller mounting component (9), a transmission wheel (11) is provided on one side of the transmission frame (10), a transmission belt (12) is provided on the outer side of the transmission wheel (11), a driven wheel (13) is provided on one side of the work roller body (4), and a transmission motor (14) is installed on the other side of the transmission frame (10) at the position corresponding to the transmission wheel (11). The support roller mounting component (1) includes a first bracket (15), a first fixing clamp (16) is provided on the upper side of the first bracket (15), and the work roller mounting component (9) includes a second bracket (17), a second fixing clamp (18) is provided on the upper side of the second bracket (17).
2. The four-high rolling mill structure with quick roll replacement according to claim 1, characterized in that, The first fixing clamp (16) has a first sliding groove (19) on its front side. The first bracket (15) has a first threaded rod (20) located inside the first sliding groove (19) on its upper side. The first threaded rod (20) has a first nut (21) at its upper end. The first fixing clamp (16) has a first positioning screw (22) on its upper side. The second fixing clamp (18) has a second sliding groove (23) on its front side. The second bracket (17) has a second threaded rod (24) located inside the second sliding groove (23) on its upper side. The second threaded rod (24) has a second nut (25) at its upper end. The second fixing clamp (18) has a second positioning screw (26) on its upper side.
3. The four-high rolling mill structure with quick roll replacement according to claim 1, characterized in that, The outer end of the support roller body (3) rotates to the corresponding side position of the first bracket (15) and the first fixing clamp (16), and the rear end of the first fixing clamp (16) rotates to the upper side position of the first bracket (15).
4. The four-high rolling mill structure with quick roll replacement according to claim 1, characterized in that, The outer end of the working roller body (4) rotates to the corresponding side position of the second bracket (17) and the second fixing clamp (18), the rear end of the second fixing clamp (18) rotates to the upper side position of the second bracket (17), the transmission wheel (11) rotates to one side position of the transmission frame (10) through the transmission motor (14), and the other end of the transmission belt (12) is located at the outward position of the driven wheel (13).
5. The four-high rolling mill structure with quick roll replacement according to claim 1, characterized in that, The upper end of the lead screw body (8) slides at the upper position of the adjusting frame (6), the lead screw body (8) slides at the upper position of the adjusting frame (6) through the through-type lead screw motor (7), the lower end of the lead screw body (8) is fixed at the upper position of the working roller mounting component (9), and the working roller mounting component (9) slides at the inner position of the adjusting frame (6) through the lead screw body (8).
6. The four-high rolling mill structure with quick roll replacement according to claim 2, characterized in that, The first slide groove (19) slides on the outer side of the first threaded rod (20), and the first threaded rod (20) is fixed to the inner side of the first slide groove (19) by the first nut (21). The support roller body (3) is fixed to the inner side of the first bracket (15) and the first fixing clamp (16) by the first positioning screw (22).
7. The four-high rolling mill structure with quick roll replacement according to claim 2, characterized in that, The second slide groove (23) slides on the outer side of the second threaded rod (24), and the second threaded rod (24) is fixed to the inner side of the second slide groove (23) by the second nut (25). The working roller body (4) is fixed to the inner side of the second bracket (17) and the second fixing clamp (18) by the second positioning screw (26).