Straightener roller box replacing device

Abstract

The invention discloses a straightening machine roller box replacing device which comprises a frame body and a roller box assembly arranged in the frame body. The roller box assembly comprises an upper roller box and a lower roller box which are oppositely arranged, and the upper roller box can move in the frame body in the z-axis direction; a guide unit used for guiding and drawing out the roller box assembly is arranged on the frame body and comprises limiting parts arranged on the two sides of the upper roller box and the lower roller box respectively and guide plate assemblies arranged on the two sides of the frame body and corresponding to the limiting parts respectively; guide grooves are formed in the guide plate assemblies and used for positioning and guiding the roller box assemblies, and the limiting components are arranged in the corresponding guide grooves to slide; after the roller changing frame is in butt joint with the guide unit, the guide unit can guide the roller box assembly to be pulled out from the side portion of the frame body to move to the roller changing frame, a steel belt does not need to be cut off, the roller box assembly can be replaced or maintained conveniently, meanwhile, it can be ensured that the installation position of the roller box assembly is accurate, and the roller box assembly replacement difficulty and labor intensity are reduced; the replacement efficiency is improved.

Description

Technical Field

[0001] The present application relates to the technical field of straightening machines, and in particular to a roller box replacement device for a straightening machine. Background Art

[0002] During the operation of the straightening machine, the working rolls in the roll box will come into contact and friction with the strip steel. After long-term operation, the roll surface may be damaged, the working rolls may be sticky with impurities, and the bearings or other components in the roll box may be worn and aged during use. Therefore, the rolls need to be pulled out for replacement or cleaning.

[0003] The multi-roller straightening machine with publication number CN112296129A that can quickly replace the roller box needs to place the upper roller box on the lower roller box before pulling it out when pulling out the roller box. However, when it is on a continuous production line, when there is a steel belt in the straightening machine, the steel belt needs to be cut off before the roller box can be pulled out, resulting in low replacement efficiency, high operating difficulty and work intensity. Summary of the invention

[0004] In view of the above shortcomings, the present application provides a straightening machine roller box replacement device, which cooperates with workers to replace or disassemble the roller box without cutting the steel belt, so as to improve the replacement efficiency, reduce the work intensity and the difficulty of replacement, and adopts the following technical solutions: A roller box replacement device for a straightening machine comprises a frame and a roller box assembly, wherein the roller box assembly is arranged in the frame; The roller box assembly comprises an upper roller box and a lower roller box which are arranged opposite to each other, and the lower roller box can follow the upper roller box to move in the frame along the z-axis direction; The frame is provided with a guide unit for guiding the roller box assembly to be pulled out, and the guide unit includes limit components respectively arranged on both sides of the roller box assembly, and guide plate components respectively arranged on both sides of the frame and corresponding to the limit components; The guide plate assemblies are all provided with guide grooves for positioning and guiding the roller box assemblies, and the limiting components are respectively arranged in the corresponding guide grooves for sliding.

[0005] Preferably, the limiting component includes a first guide member provided on the side of the upper roller box, and a second guide member provided on the lower roller box; The guide plate assembly comprises an upper guide plate and a lower guide plate, wherein the upper guide plate corresponds to the first guide member, and the lower guide plate corresponds to the second guide member.

[0006] Preferably, the guide grooves each include a vertical groove and a horizontal groove which are interconnected, the vertical groove is used to cooperate with the limiting component to locate the position of the roller box assembly, and the horizontal groove is used to guide the roller box assembly to be pulled out or loaded in.

[0007] Further preferably, a filling component is further included, and a gap is provided in the guide groove on the lower guide plate, and the filling component is used to fill the gap.

[0008] Preferably, it further comprises a linkage component, which is detachably connected to both sides of the upper roller box and is used to connect the lower roller box and the upper roller box.

[0009] Preferably, it further comprises a roller changing frame located at one side of the frame body, one end of the roller changing frame is docked with the guide unit for placing the drawn roller box assembly.

[0010] Preferably, a blocking component is further included, and the blocking component is arranged on the same side of the guide plate assembly and is used to block the limiting component.

[0011] Preferably, the frame includes an upper frame and a lower frame, and a lifting component for driving the upper frame to approach or move away from the lower frame along the z-axis direction.

[0012] Preferably, it also includes an adjustment mechanism, which is respectively connected to the upper roller box and the lower roller box and is used to adjust the gap between the upper roller box and the lower roller box.

[0013] Further preferably, the notch is opened at the junction of the transverse groove on the lower guide plate and the vertical groove on the lower guide plate.

[0014] Compared with the prior art, the present invention has the following beneficial effects: The present application uses the limiting components on both sides of the roller box assembly to cooperate with the guide grooves set on the guide plate to guide the upper roller box or the lower roller box assembly to be pulled out or loaded into the side of the frame in sequence, so as to replace or repair the upper roller box and / or the lower roller box without cutting the steel belt, thereby reducing the difficulty and labor intensity of replacing the roller box assembly and improving work efficiency.

[0015] Secondly, the guide groove on the guide unit can guide the movement of the roller box assembly and ensure the installation position of the roller box assembly. The installation position of the roller box can be ensured by moving the limiting component on the roller box assembly to the corresponding vertical groove, thereby reducing the difficulty of installation and reducing replacement and maintenance time.

[0016] After the roller changing frame is docked with the guide unit, the roller changing frame can support the drawn roller box assembly or place a new roller box that needs to be replaced, which can further improve the efficiency of replacing the roller box assembly and reduce the strength of replacing the roller box. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a three-dimensional structural schematic diagram of the present application; Figure 2 It is a schematic diagram of the structure of the roller box assembly of the present application; Figure 3is a schematic diagram of the structure of the roller box assembly of the present application (the guide unit is not shown); Figure 4 This application Figure 3 Schematic diagram of the structure of the guide unit on the right side of the roller box assembly; Figure 5 It is a front view of the present application.

[0018] In the figure: 1. frame, 11. upper frame, 12. lower frame; 2. Roller box assembly, 21. upper roller box, 22. lower roller box, 23. support seat, 24. connecting plate; 3. Roller changing rack; 4. guide unit, 41. limiting component, 411. guide member 1, 412. guide member 2, 42. guide plate assembly, 421. upper guide plate, 422. lower guide plate, 43. guide groove, 43A. upper guide groove, 43B. lower guide groove, 431. vertical groove, 432. horizontal groove, 44. notch, 45. filling component; 5. Adjusting mechanism, 6. Linking component, 7. Blocking component. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings of the present application to clearly and completely describe the technical solutions in the embodiments of the present application. Obviously, the embodiments described in the present application are only some embodiments of the present application, not all embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present application.

[0020] See also Figures 1 to 5 , further illustrating the present application: wherein, the x-axis direction is the conveying direction of the steel belt, and the y-axis direction is the withdrawal direction of the roller box assembly 2.

[0021] Combination Figure 1 and Figure 3 , a straightening machine roller box replacement device includes a frame 1, and a roller box assembly 2 arranged in the frame 1; wherein the frame 1 includes an upper frame 11 and a lower frame 12, and a lifting component for driving the upper frame 11 to move away from or close to the lower frame 12 along the z-axis direction; in one embodiment, the lifting component (not shown) can be arranged on the lower frame 12 and connected to the upper frame 11, and the lifting component can be a screw lifter, of course, it can also be a cylinder or a screw lifting mechanism, etc., which is not limited here.

[0022] In this embodiment, the roller box assembly 2 includes an upper roller box 21 and a lower roller box 22, and the upper roller box 21 is arranged opposite to the lower roller box 22; wherein the upper roller box 21 is correspondingly installed in the upper frame 11, and the lower roller box 22 is correspondingly installed in the lower frame 12; the lower roller box can follow the upper roller box 21 to move in the frame 1 along the z-axis direction.

[0023] Combination Figure 1 and Figure 4 The frame 1 is provided with a guide unit 4 for guiding the roller box assembly 2 to be pulled out, and the guide unit 4 includes a limiting component 41 respectively arranged on both sides of the upper roller box 21 and the lower roller box 22 (on both sides of the roller box assembly in the x-axis direction), and a guide plate assembly 42 respectively arranged on both sides of the frame 1 and corresponding to the limiting component 41.

[0024] Combination Figure 3 and Figure 4 In this embodiment, the position limiting component 41 includes a guide member 1 411 disposed on the side of the upper roller box 21, and a guide member 2 412 disposed on the lower roller box 22; the guide plate assembly 42 includes an upper guide plate 421 and a lower guide plate 422, the upper guide plate 421 corresponds to the guide member 1 411, and the lower guide plate 422 corresponds to the guide member 2 412; the guide member 1 411 and the guide member 2 412 can both be cam followers. In this embodiment, two guide members 1 are respectively disposed on both sides of the upper roller box, and two guide members 2 are respectively disposed on both sides of the lower roller box.

[0025] Combination Figure 4 The guide plate assemblies 42 are each provided with a guide groove 43 for positioning and guiding the roller box assembly 2, and the limiting components 41 are respectively arranged in the corresponding guide grooves 43 for sliding; wherein, the upper guide plate 421 is provided with an upper guide groove 43A corresponding to the placement of the guide member 1 411, and the lower guide plate 422 is provided with a lower guide groove 43B corresponding to the placement of the guide member 2 412; the roller box assembly 2 is moved out of the frame 1 through the guide groove 43 for maintenance or replacement, and there is no need to cut off the steel belt, which can improve the replacement efficiency of the roller box assembly 2 and reduce the difficulty and work intensity of replacing the roller box assembly 2.

[0026] Combination Figure 4 The guide grooves 43 include a vertical groove 431 and a horizontal groove 432 which are interconnected; the vertical groove 431 is used to cooperate with the limiting component 41 to locate the position of the roller box assembly 2, and the horizontal groove 432 is used to guide the roller box assembly 2 to be pulled out or loaded; in this embodiment, the upper guide groove 43A and the lower guide groove 43B are both "F" shaped.

[0027] When installing the roller box assembly 2, the vertical groove 431 can limit the position of the limiting component 41, thereby quickly positioning the roller box assembly 2, so that the installation position of the roller box assembly 2 can be accurately controlled during installation, reducing the difficulty of installing the roller box assembly 2 and improving installation efficiency.

[0028] When it is necessary to pull out the upper roller box 21, first remove the connecting components between the upper frame 11 and the upper roller box 21, and push the upper frame 11 through the lifting component to drive the upper guide plate 421 to move upward (z-axis), so that the guide members 411 on both sides of the upper roller box 21 are disengaged from the vertical groove 431 in the upper guide plate 421 and move to the corresponding transverse groove 432. The upper roller box 21 can be moved out of the frame 1 along the transverse groove 432 on the upper guide plate 421 manually or by an external traction device, and the upper roller box 21 can be replaced, cleaned or repaired.

[0029] When installing the upper roller box 21, it is only necessary to push the guide member 411 on the side of the new roller box along the horizontal groove 432 on the upper guide plate 421 to the corresponding vertical groove 431 position, and the lifting component drives the upper frame 11 to move downward with the upper guide plate 421 to move the guide member 411 into the vertical groove 431, and then connect the upper roller box to the upper frame through the connecting component.

[0030] It can be understood that when the straightening machine is working, the limiting component 43 is placed in the corresponding vertical groove 431 ( Figure 4 The position of the limiting component in the middle), thereby limiting the movement of the roller box assembly 2. When replacing the roller box assembly 2, the vertical groove 431 can ensure the accuracy of the installation position of the roller box assembly 2, and the roller box assembly 2 will not have deviations, which can reduce the difficulty of installation and enable the roller box assembly 2 to be quickly positioned to the installation position.

[0031] Combination Figure 2 and Figure 4 The guide plate assembly 42 further includes a filling component 45, which is disposed on the lower guide plate 422. A notch 44 is disposed in the lower guide groove 43B, and the filling component 45 is used to fill the notch 44. The notch 44 is located at the junction of the transverse groove 432 and the vertical groove 431.

[0032] When the second guide member 412 on the side of the lower roller box 22 is separated from the corresponding vertical groove 431 and moves into the transverse groove 432 , the filling component 45 fills the gap 44 and the transverse groove 432 so that the lower roller box 22 can be pulled out along the transverse groove 432 .

[0033] The filling component 45 includes a filling block and a power component adapted to the transverse groove 432. The filling block is used to fill the gap 44 and complete the transverse groove 432. The power component is used to drive the filling block to move to or out of the gap 44. The power component may be a cylinder.

[0034] Combination Figure 2 The roller box assembly 2 is also provided with a plurality of linkage components 6, which are detachably connected to the roller box assembly 2, and can make the lower roller box 22 move following the upper roller box 21. The linkage component 6 can be a hook, one end of which is detachably connected to the upper roller box 21, and the hook portion of the hook is connected to the lower roller box 22.

[0035] When it is necessary to take out the lower roller box 22, it is only necessary to remove the connecting component between the lower frame 12 and the lower roller box 21. When the lifting component drives the upper frame 11 to drive the upper roller box 21 to move upward, at this time, the lower roller box 22 is driven by the linkage component 6 to move upward synchronously with the upper roller box 21, and the guide member 2 412 on the side of the lower roller box 22 is disengaged from the corresponding vertical groove 431 and moves into the horizontal groove 432. At the same time, the filling component 45 fills the gap 44 to support the guide member 2 412, and the lower roller box 22 is pulled out along the horizontal groove 432 on the lower guide plate 422.

[0036] During installation, the horizontal groove 432 on the lower guide plate cooperates with the guide member 2 412 on both sides of the lower roller box. After the guide member 2 412 is aligned with the corresponding vertical groove 421, the upper roller box and the lower roller box are connected through the linkage component 6, the filling component is pulled out of the gap, the guide member 2 is moved into the vertical groove, and the lower roller box is connected to the lower frame through the connecting component.

[0037] Combination Figure 5 In some embodiments, a roller changing frame 3 is further provided on one side of the frame body 1, and one end of the roller changing frame 3 is docked with the guide unit 4 for placing the drawn roller box assembly 2. Specifically, the roller changing frame 3 is a double-layer structure, which is used to dock with the transverse groove 432 on the upper guide plate 421 and the transverse groove 432 on the lower guide plate 422, respectively, so as to place the drawn roller box assembly 2 or place a new roller box that needs to be replaced. In this embodiment, a positioning pin is provided on the roller changing frame 3, and a hole matching the positioning pin is provided on the guide unit 4 to achieve docking between the two.

[0038] Combination Figure 4In some embodiments, the guide plate assembly 42 is further provided with a blocking component 7; the blocking component 7 may be a stopper; the blocking component 7 is provided on the same side of the upper guide plate 421 and the lower guide plate 422, and is located on a side away from the roller changing frame 3, and is used to block the limiting component 41. When the limiting component 41 on the side of the roller box assembly 2 moves into the frame body along the transverse groove 432, and the limiting component 41 abuts against the blocking component 7, at this time, the limiting component 41 is aligned with the vertical groove 431, so as to quickly position the roller box assembly 2, and further improve the replacement efficiency.

[0039] Combination Figure 4 The upper roller box 21 and the lower roller box 22 both include intermediate rollers and working rollers, and support seats 23 that support the rotation of both ends of the intermediate rollers and the working rollers. Connecting plates 24 are provided between the supporting seats 23; the limiting components 41 are all installed on the corresponding connecting plates 24.

[0040] In some embodiments, an adjusting mechanism 5 is also included, wherein the adjusting mechanism 5 is respectively connected to the upper roller box 21 and the lower roller box 22, and is used to adjust the gap between the upper roller box 21 and the lower roller box 22; the adjusting mechanism 5 includes an adjusting component and a supporting component, wherein the supporting component is used to support the roller box assembly 2, and the adjusting component is used to push the supporting component to adjust the gap between the upper roller box 21 and the lower roller box 22; the supporting component includes a supporting platform and a supporting roller arranged on the supporting platform; the adjusting component can be two wedge blocks to realize the adjustment of the roller box assembly 2.

Claims

1. The roller box replacement device of the straightening machine is characterized by: It comprises a frame and a roller box assembly, wherein the roller box assembly is arranged in the frame; The roller box assembly comprises an upper roller box and a lower roller box which are arranged opposite to each other, and the lower roller box can follow the upper roller box to move in the frame along the z-axis direction; The frame is provided with a guide unit for guiding the roller box assembly to be pulled out, and the guide unit includes limit components respectively arranged on both sides of the roller box assembly, and guide plate components respectively arranged on both sides of the frame and corresponding to the limit components; The guide plate assemblies are all provided with guide grooves for positioning and guiding the roller box assemblies, and the limiting components are respectively arranged in the corresponding guide grooves for sliding.

2. The roller box replacement device for a straightening machine according to claim 1 is characterized in that: The limiting component includes a guide member 1 provided on the side of the upper roller box, and a guide member 2 provided on the lower roller box; The guide plate assembly comprises an upper guide plate and a lower guide plate, wherein the upper guide plate corresponds to the first guide member, and the lower guide plate corresponds to the second guide member.

3. The roller box replacement device for a straightening machine according to claim 1 is characterized in that: The guide grooves each include a vertical groove and a horizontal groove which are interconnected, the vertical groove is used to cooperate with the limiting component to locate the position of the roller box assembly, and the horizontal groove is used to guide the roller box assembly to be pulled out or loaded in.

4. The roller box replacement device for a straightening machine according to claim 2, characterized in that: It also includes a filling component. A gap is provided in the guide groove on the lower guide plate, and the filling component is used to fill the gap.

5. The roller box replacement device for a straightening machine according to claim 1, characterized in that: It also includes a linkage component, which is detachably connected to both sides of the upper roller box and is used to connect the lower roller box and the upper roller box.

6. The roller box replacement device for a straightening machine according to claim 1, characterized in that: It also includes a roller changing frame located at one side of the frame body, one end of which is connected to the guide unit and is used to place the drawn roller box assembly.

7. The roller box replacement device for a straightening machine according to claim 1, characterized in that: It also includes a blocking component, which is arranged on the same side of the guide plate assembly and is used to block the limiting component.

8. The roller box replacement device for a straightening machine according to claim 1, characterized in that: The frame includes an upper frame and a lower frame, and a lifting component for driving the upper frame to approach or move away from the lower frame along the z-axis direction.

9. The roller box replacement device for a straightening machine according to claim 1, characterized in that: It also includes an adjusting mechanism, which is respectively connected to the upper roller box and the lower roller box and is used to adjust the gap between the upper roller box and the lower roller box.

10. The roller box replacement device for a straightening machine according to claim 4, characterized in that: The notch is formed at the junction of the transverse groove on the lower guide plate and the vertical groove on the lower guide plate.

Images