Roll changing device of rolling mill
By designing a mill roll changing device with adjustable idler spacing, the problem of unreasonable force on the rolls and idlers caused by the inability to adjust the idler spacing was solved, achieving uniform force on the rolls and idlers and extending the service life of the equipment.
Patent Information
- Application Number
- CN202520579884.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-31
- Publication Date
- 2025-11-28
- Estimated Expiration
- 2035-03-31
AI Technical Summary
The spacing between the idler rollers cannot be adjusted according to the rolling mill rolls, resulting in unreasonable contact and force between the rolling mill rolls and the idler rollers, which easily leads to wear and damage.
A rolling mill roll changing device was designed, including a main component and an adjustment component. The adjustment system, composed of adjustment components, reset components, moving components, and locking components, enables the adjustment of the idler roll spacing, ensuring that the weight of the rolling mill roll is evenly distributed on each idler roll and avoiding excessive local stress.
This achieves a more reasonable and balanced force distribution on the rolls and idlers, avoiding damage such as deformation and cracks, and extending their service life.
Smart Images
Figure CN223603124U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of steel rolling equipment, in particular to a rolling mill roll changing device. BACKGROUND
[0002] In the production running process of the rolling mill, due to the wear and damage of the roll after a long time of rolling work, or in order to meet the specific requirements of different specifications and models of products on the size, shape and performance of the roll, the original roll on the rolling mill needs to be replaced. When the rolling mill roll is changed, a hydraulic lifting trolley is needed. By moving the trolley to the side of the rolling mill, the old roll is first removed using the lifting function of the trolley in cooperation with the bearing device, and then the new roll is transported to the rolling mill. The new roll is accurately installed on the rolling mill. A carrier roll is usually provided on the lifting frame of the hydraulic lifting trolley to support and position the roll during the roll changing process, ensuring the stability of the roll on the trolley and facilitating the accurate transportation of the roll to the designated position for replacement. Different specifications of rolls often differ in length, diameter and other dimensions. The spacing of the carrier roll cannot be adjusted according to the roll during transportation, which may cause unreasonable contact and stress between the roll and the carrier roll, and may cause the roll and the carrier roll to be more prone to wear and damage. SUMMARY
[0003] The purpose of this section is to outline some aspects of the embodiments of the utility model and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and the abstract of the specification and the utility model name to avoid obscuring the purpose of this section, the abstract of the specification and the utility model name. Such simplifications or omissions cannot be used to limit the scope of the utility model.
[0004] In view of the above and / or existing problems in the roll changing device of the rolling mill, the utility model is proposed.
[0005] Therefore, the problem to be solved by the utility model is that the spacing of the carrier roll cannot be adjusted according to the roll, which leads to unreasonable contact and stress between the roll and the carrier roll, and is prone to wear and damage.
[0006] To solve the above technical problems, the utility model provides the following technical scheme: a rolling mill roll changing device, comprising a main body assembly, comprising a hydraulic vehicle, the hydraulic vehicle is provided with a lifting frame on one side, the lifting frame is provided with a bearing wheel;
[0007] An adjusting assembly is provided on the lifting frame and comprises an adjusting member, the adjusting member comprises an adjusting wheel, the adjusting wheel is in sliding connection with the lifting frame, one end of the adjusting wheel is fixed with a sliding strip, the top of the sliding strip is provided with a limiting block, the top of the limiting block is provided with a limiting plate, and a clamping frame is provided above the adjusting wheel.
[0008] As a preferred scheme of the rolling mill roll changing device, the adjusting assembly further comprises a reset member, the reset member comprises a reset column, one end of the reset column is fixed to the adjusting wheel, a reset plate is fixed to the top of the reset column, a first spring is fixed to one side of the reset plate, a first supporting box is arranged outside the first spring, and a supporting column is fixed to the inner wall of the first supporting box.
[0009] As a preferred scheme of the rolling mill roll changing device, the adjusting assembly further comprises a moving member, the moving member comprises a moving strip, a supporting frame is arranged outside the moving strip, and the moving strip and the supporting frame are movably connected.
[0010] As a preferred scheme of the rolling mill roll changing device, a second spring is fixed to one end of the moving strip.
[0011] As a preferred scheme of the rolling mill roll changing device, a guide strip is fixed to one side of the moving strip, a guide plate is arranged outside the guide strip, the guide strip and the guide plate are movably connected, and a pressing column is fixed to one side of the guide plate.
[0012] As a preferred scheme of the rolling mill roll changing device, a second supporting box is arranged outside the limiting plate, and the second supporting box is fixed to the top of the lifting frame.
[0013] As a preferred scheme of the rolling mill roll changing device, the adjusting assembly further comprises a clamping member, the clamping member comprises a sliding frame, and the sliding frame is arranged outside the pressing column.
[0014] As a preferred scheme of the rolling mill roll changing device, one side of the clamping frame is fixed with a movable rod, a positioning frame is arranged outside the movable rod, and the movable rod and the positioning frame are movably connected.
[0015] As a preferred scheme of the rolling mill roll changing device, one side of the movable rod is provided with an inclined surface block, one side of the inclined surface block is fixed with a movable strip, and a hinged rod is arranged at one end of the movable strip.
[0016] As a preferred scheme of the rolling mill roll changing device, one end of the hinged rod is provided with a driving plate, and the driving plate is fixed to one end of the pressing column.
[0017] The utility model discloses beneficial effect is: through the demand -based adjustment carrier roller spacing, can ensure that the weight of roll can evenly be dispersed to each carrier roller, make the stress between roll and carrier roller be more reasonable, balanced, avoid the deformation, crackle and so on damage of roll because of local excessive stress, can also reduce the excessive wear phenomenon of carrier roller because of uneven stress, prolong the service life of roll and carrier roller. BRIEF DESCRIPTION OF DRAWINGS
[0018] In order to more clearly illustrate the technical scheme of the utility model embodiment, the following will be needed to use the drawing in the embodiment description briefly introduced, obviously, the drawing in the following description only some embodiments of the utility model, for the ordinary skilled person in the art, under the premise of not paying the creative labor, can also obtain other drawings according to these drawings. Wherein:
[0019] Figure 1 It is the overall structural diagram of rolling mill roll changing device.
[0020] Figure 2 It is the adjusting wheel structural diagram of rolling mill roll changing device.
[0021] Figure 3 It is the Figure 2 It is the local enlarged structure diagram of A in the middle.
[0022] Figure 4 It is the frame structure diagram of rolling mill roll changing device.
[0023] Figure 5 It is the limiting plate structural diagram of rolling mill roll changing device.
[0024] Figure 6 It is the support frame section structure diagram of rolling mill roll changing device.
[0025] Figure 7 It is the positioning frame section structure diagram of rolling mill roll changing device
[0026] Figure 8 It is the Figure 7 It is the local enlarged structure diagram of B in the middle.
[0027] In the figure: the main body assembly 100; the adjusting assembly 200; the hydraulic vehicle 101; the lifting frame 102; the bearing wheel 103; the adjusting piece 201; the adjusting wheel 201a; the sliding strip 201b; the limiting block 201c; the limiting plate 201d; the clamping frame 201e; the reset piece 202; the reset column 202a; the reset plate 202b; the first spring 202c; the first supporting box 202d; the supporting column 202e; the moving piece 203; the moving strip 203a; the supporting frame 203b; the second spring 203c; the guide strip 203d; the guide plate 203e; the extrusion column 203f; the second supporting box 203g; the clamping piece 204; the sliding frame 204a; the movable rod 204b; the positioning frame 204c; the inclined block 204d; the movable strip 204e; the hinged rod 204f; the driving plate 204g. DETAILED DESCRIPTION
[0028] In order to make the above-mentioned purposes, features and advantages of the present application more apparent and easy to understand, the specific embodiments of the present application will be described in detail below with reference to the accompanying drawings.
[0029] In the following description, a large number of specific details are set forth in order to facilitate a thorough understanding of the present application, but the present application can also be implemented in other ways different from those described herein, and those skilled in the art can make similar generalizations without departing from the connotation of the present application, therefore the present application is not limited by the specific embodiments disclosed below.
[0030] Secondly, the "one embodiment" or "embodiment" referred to herein means that the specific features, structures or characteristics can be included in at least one implementation of the present application. "In one embodiment" appearing in different places in the specification does not mean the same embodiment, nor is it an embodiment that is independent or alternative to other embodiments.
[0031] Embodiment 1
[0032] Reference Figures 1-8 For the first embodiment of the present application, the embodiment provides a rolling mill roll changing device, the rolling mill roll changing device comprises a main body assembly 100 and an adjusting assembly 200, and the two can adjust the distance between the supporting rollers as required to uniformly disperse the weight of the rolling mill, so that the stress is reasonable and balanced, and the damage to the rolling mill and the excessive wear of the supporting roller are avoided, and the service life of the two is prolonged.
[0033] The main body assembly 100 comprises a hydraulic vehicle 101, and the hydraulic vehicle 101 is provided with a lifting frame 102 on one side, and the lifting frame 102 is provided with a bearing wheel 103.
[0034] The hydraulic vehicle 101 relies on its own moving function to move flexibly around the rolling mill, and provides strong support for the rolling ring link of dismounting, transporting and transporting, installing and the like of the old roll, the lifting frame 102 can realize the lifting operation of the roll, the load wheel 103 can play a role in carrying the weight of the roll, assisting the movement of the roll and the like during the rolling ring, which is beneficial to the smooth development of the rolling ring process.
[0035] The adjusting assembly 200 is arranged on the lifting frame 102, and includes an adjusting part 201, the adjusting part 201 includes an adjusting wheel 201a, the adjusting wheel 201a is in sliding connection with the lifting frame 102, one end of the adjusting wheel 201a is fixed with a sliding strip 201b, a limiting block 201c is arranged at the top of the sliding strip 201b, a limiting plate 201d is arranged at the top of the limiting block 201c, and a clamping frame 201e is arranged above the adjusting wheel 201a.
[0036] When it is necessary to transport rolls of different specifications, the position of the adjusting wheel 201a is adjusted, so that the distance between the adjusting wheel 201a and the load wheel 103 changes, so that rolls of different specifications can be adapted, limiting grooves corresponding to the limiting block 201c are formed in the limiting plate 201d, when it is necessary to move the adjusting wheel 201a, the limiting block 201c is first moved away from the limiting plate 201d, and then the sliding strip 201b is moved, at this time, the adjusting wheel 201a can be adjusted to a specified position by moving the sliding strip 201b, after the adjustment is completed, the limiting block 201c is clamped with the limiting groove in the limiting plate 201d, then the adjusting wheel 201a can be limited, to prevent the adjusting wheel 201a from moving by itself, and then the clamping frame 201e is moved, so that the clamping frame 201e is in contact with the roll, to prevent the roll from tilting and falling during transportation.
[0037] Embodiment 2
[0038] Reference Figures 2-8 For the second embodiment of the utility model, the embodiment is based on the previous embodiment.
[0039] Specifically, the adjusting assembly 200 further includes a reset part 202, the reset part 202 includes a reset column 202a, the reset column 202a is fixed at one end of the adjusting wheel 201a, a reset plate 202b is fixed at the top of the reset column 202a, a first spring 202c is fixed on one side of the reset plate 202b, a first supporting box 202d is sleeved outside the first spring 202c, and a supporting column 202e is fixed on the inner wall of the first supporting box 202d.
[0040] The reset column 202a can be moved when the adjusting wheel 201a is moved, and the reset column 202a can drive the reset plate 202b to move. The support column 202e is inserted into one side of the reset plate 202b, and the support column 202e and the reset plate 202b are movably connected. The reset plate 202b can move on the support column 202e, and the reset plate 202b can be supported by moving on the support column 202e to prevent the reset plate 202b from deviating during movement. When the reset plate 202b moves, the first spring 202c can be subjected to a pressing force. After the limiting block 201c is separated from the limiting slot on the limiting plate 201d, the first spring 202c can be subjected to a restoring force to drive the adjusting wheel 201a to return to the original position for next use. The first support box 202d is fixed to the top of the lifting frame 102, and the support column 202e can be supported by the first support box 202d to prevent the support column 202e from deviating.
[0041] Specifically, the adjusting assembly 200 further comprises a moving piece 203, and the moving piece 203 comprises a moving strip 203a. A support frame 203b is arranged outside the moving strip 203a, and the moving strip 203a and the support frame 203b are movably connected.
[0042] When it is necessary to move the limiting block 201c away from the limiting slot, the limiting block 201c can be moved by moving the moving strip 203a, so that the adjusting wheel 201a can be released. The support frame 203b is fixed to the top of the sliding strip 201b, and the moving strip 203a can be supported by the support frame 203b to prevent the moving strip 203a from deviating.
[0043] Specifically, the support frame 203b is fixed with a second spring 203c on the inner wall, and one end of the second spring 203c is fixed to one end of the moving strip 203a.
[0044] When the moving strip 203a moves to drive the limiting block 201c to move away from the limiting slot, the second spring 203c can be subjected to a pressing force. The limiting block 201c can be driven to return to the original position by the restoring force of the second spring 203c to reengage with the limiting slot.
[0045] Specifically, the moving strip 203a is fixed with a guide strip 203d on one side. A guide plate 203e is arranged outside the guide strip 203d, and the guide strip 203d and the guide plate 203e are movably connected. The guide plate 203e is fixed with a pressing column 203f on one side.
[0046] The guide plate 203e is provided with a guide groove corresponding to the guide strip 203d, and the extrusion column 203f is moved, so that the guide plate 203e is moved, the guide groove is moved, the guide strip 203d is extruded and moved, and the moving strip 203a is moved through the movement of the guide strip 203d, so that the limiting block 201c is moved and separated from the limiting groove.
[0047] Specifically, the limiting plate 201d is provided with a second supporting box 203g outside, and the second supporting box 203g is fixed to the top of the lifting frame 102.
[0048] The second supporting box 203g is arranged to support the limiting plate 201d and prevent the limiting plate 201d from deviating during use.
[0049] Specifically, the adjusting assembly 200 further comprises a clamping piece 204, and the clamping piece 204 comprises a sliding frame 204a which is sleeved outside the extrusion column 203f.
[0050] The sliding frame 204a is slidably connected to the outside of the second supporting box 203g, and when the adjusting wheel 201a moves, the sliding frame 204a moves, so that the clamping frame 201e moves, and the clamping frame 201e moves synchronously with the adjusting wheel 201a.
[0051] Embodiment 3
[0052] Reference Figures 1-8 For the third embodiment of the utility model, the embodiment is based on the first two embodiments.
[0053] Specifically, the clamping frame 201e is provided with a movable rod 204b on one side, the movable rod 204b is sleeved with a positioning frame 204c outside, and the movable rod 204b and the positioning frame 204c are movably connected.
[0054] A reset spring is arranged at the bottom of the movable rod 204b, one end of the reset spring is fixed to the inner wall of the positioning frame 204c, and when the clamping frame 201e moves and contacts the top of the roller, the clamping frame 201e moves to drive the movable rod 204b to move, so that the reset spring is extruded, and when it is required to separate the clamping frame 201e from the roller, the reset spring rebounds to drive the movable rod 204b to return to the original position, so that the clamping frame 201e is separated from the top of the roller.
[0055] Specific, the movable rod 204b side is provided with a slope block 204d, the slope block 204d side is fixed with a movable strip 204e, the movable strip 204e one end is provided with a hinged rod 204f.
[0056] The movable rod 204b side is provided with a slope block 204d, the slope block 204d side is fixed with a movable strip 204e, the movable strip 204e one end is provided with a hinged rod 204f. The hinged rod 204f is hinged with one side of the positioning frame 204c, the movable strip 204e and the hinged rod 204f are hinged, the hinged rod 204f is moved to drive the movable strip 204e to move, when the movable strip 204e moves, the slope block 204d can be moved to separate from the slope slot, so that the movable rod 204b is released from the limit, and then the reset spring rebound force can drive the movable rod 204b to return to the original position, one end of the movable strip 204e is inserted with a positioning rod, the positioning rod and the movable strip 204e are movably connected, the positioning rod is fixed on one side of the positioning frame 204c, the movable strip 204e can move on the positioning rod when moving, so as to support the movable strip 204e and prevent the movable strip 204e from moving.
[0057] Specific, the hinged rod 204f one end is provided with a drive plate 204g, the drive plate 204g is fixed on one end of the extrusion column 203f.
[0058] The hinged rod 204f is moved to drive the movable rod 204b to move, to release the limit of the movable rod 204b, the extrusion column 203f is moved to drive the adjusting wheel 201a to return to the original position, so as to release the limit of the roller and take it off.
[0059] In use, if different specifications of the roller are to be transported, the position of the adjusting wheel 201a needs to be adjusted first, the extrusion column 203f is pushed, the extrusion column 203f drives the guide plate 203e to move, the guide groove on the guide plate 203e extrudes the guide strip 203d to move, the movement of the guide strip 203d drives the movement of the moving strip 203a, the movement of the moving strip 203a exerts extrusion force on the second spring 203c, the movement of the moving strip 203a drives the movement of the limiting block 201c, the limiting block 201c is separated from the limiting groove on the limiting plate 201d, the limiting of the adjusting wheel 201a is released, then the slide 201b is moved, the slide 201b drives the adjusting wheel 201a to slide on the lifting frame 102, the adjusting wheel 201a is adjusted to the specified position, the distance between the adjusting wheel 201a and the bearing wheel 103 can adapt to the corresponding specifications of the roller, after the position of the adjusting wheel 201a is adjusted, the extrusion column 203f is released, the force of the second spring 203c returns to the original position and re-engages with the limiting groove, the adjusting wheel 201a is limited, and the self-movement of the adjusting wheel 201a is prevented, then the roller can be placed on the hydraulic vehicle 101.
[0060] Then the clamping frame 201e is moved, the clamping frame 201e is in contact with the roller, and the clamping frame 201e plays a protective role on the roller, preventing the roller from tilting and falling during transportation, the movement of the clamping frame 201e drives the movement of the movable rod 204b, the movable rod 204b exerts extrusion force on the reset spring at the bottom of the movable rod 204b, during the process of the clamping frame 201e descending and clamping with the roller, the inclined groove on one side of the movable rod 204b will engage with the inclined block 204d, at this time the inclined block 204d will prevent the movable rod 204b from returning to the original position under the action of the reset spring, thereby limiting the clamping frame 201e, ensuring that the clamping frame 201e can stably play a protective role on the roller, maintaining the position of the roller during transportation, and preventing the roller from tilting, falling and other situations.
[0061] When the roller needs to be removed, the driving plate 204g is pressed, the driving plate 204g can drive the extrusion column 203f to move and release the limiting of the adjusting wheel 201a, at the same time, the driving plate 204g can also drive the hinged rod 204f to move, the movement of the hinged rod 204f drives the movement of the movable strip 204e, the movement of the movable strip 204e drives the movement of the inclined block 204d, the inclined block 204d is separated from the inclined groove on one side of the movable rod 204b, and the limiting of the movable rod 204b is released, then the force of the reset spring returns to the original position, the movable rod 204b drives the clamping frame 201e to separate from the top of the roller, the limiting of the clamping frame 201e is released, so that the clamping frame 201e can be separated from the roller and the limiting of the roller is released, then the roller can be removed from the bearing wheel 103 and the adjusting wheel 201a.
[0062] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present application and are not limiting. Although the present application has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present application can be modified or replaced equivalently without departing from the spirit and scope of the technical solutions of the present application, and they should be covered in the scope of the claims of the present application.
Claims
1. A roll changing device for a rolling mill, characterized in that: Including, The main body assembly (100) includes a hydraulic vehicle (101), and one side of the hydraulic vehicle (101) is provided with a lifting frame (102), and the lifting frame (102) is provided with a bearing wheel (103); The adjusting assembly (200) is arranged on the lifting frame (102) and includes an adjusting piece (201), the adjusting piece (201) includes an adjusting wheel (201a), the adjusting wheel (201a) is in sliding connection with the lifting frame (102), one end of the adjusting wheel (201a) is fixedly connected with a sliding strip (201b), the top of the sliding strip (201b) is provided with a limiting block (201c), the top of the limiting block (201c) is provided with a limiting plate (201d), and the upper side of the adjusting wheel (201a) is provided with a clamping frame (201e).
2. A rolling mill roll changing device according to claim 1, characterized in that: The adjusting assembly (200) further includes a reset piece (202), the reset piece (202) includes a reset column (202a), the reset column (202a) is fixed to one end of the adjusting wheel (201a), the top of the reset column (202a) is fixedly connected with a reset plate (202b), one side of the reset plate (202b) is fixedly connected with a first spring (202c), the outer side of the first spring (202c) is sleeved with a first supporting box (202d), and the inner wall of the first supporting box (202d) is fixedly connected with a supporting column (202e).
3. The rolling mill roll changing device according to claim 2, characterized in that: The adjusting assembly (200) further includes a moving piece (203), the moving piece (203) includes a moving strip (203a), the outer side of the moving strip (203a) is sleeved with a supporting frame (203b), and the moving strip (203a) and the supporting frame (203b) are movably connected.
4. The rolling mill roll changing device according to claim 3, characterized in that: The inner wall of the supporting frame (203b) is fixedly connected with a second spring (203c), and one end of the second spring (203c) is fixed to one end of the moving strip (203a).
5. A rolling mill roll changing device according to claim 3 or 4, characterised in that: One side of the moving strip (203a) is fixedly connected with a guide strip (203d), the outer side of the guide strip (203d) is sleeved with a guide plate (203e), the guide strip (203d) and the guide plate (203e) are movably connected, one side of the guide plate (203e) is fixedly connected with a pressing column (203f).
6. The rolling mill roll changing device according to claim 5, characterized in that: The outer side of the limiting plate (201d) is sleeved with a second supporting box (203g), and the second supporting box (203g) is fixed to the top of the lifting frame (102).
7. A rolling mill roll changing device according to claim 6, characterised in that: The adjusting assembly (200) further includes a clamping piece (204), the clamping piece (204) includes a sliding frame (204a), and the sliding frame (204a) is sleeved on the outer side of the pressing column (203f).
8. A rolling mill roll changing device according to claim 6 or 7, characterised in that: One side of the clamping frame (201e) is fixedly connected with a movable rod (204b), the outer side of the movable rod (204b) is sleeved with a positioning frame (204c), and the movable rod (204b) and the positioning frame (204c) are movably connected.
9. A rolling mill roll changing device according to claim 8, characterized in that: One side of the movable rod (204b) is provided with an inclined surface block (204d), one side of the inclined surface block (204d) is fixedly connected with a movable strip (204e), and one end of the movable strip (204e) is provided with a hinged rod (204f).
10. A rolling mill roll changing device according to claim 9, characterized in that: One end of the articulated rod (204f) is provided with a driving plate (204g), and the driving plate (204g) is fixed to one end of the extrusion column (203f).