Coil tightening machine balance beam with forced limiting function

Abstract

The utility model discloses a balance beam of a tight coiling machine with forced limiting, which belongs to the field of tight coiling machines and comprises a balance beam, a mounting frame, a limiting structure and a supporting structure, the mounting frame is arranged on one side of the balance beam, and both the limiting structure and the supporting structure are arranged at the top of the mounting frame; the limiting structure comprises supporting frames, limiting plates, first bolts and fixing blocks, the two supporting frames are symmetrically arranged at the top of the mounting frame, the limiting plates are arranged on the inner sides of the tops of the supporting frames, the first bolts are arranged on the sides, away from the balance beam, of the supporting frames, and the fixing blocks are arranged at the bottoms of the sides, away from the balance beam, of the supporting frames. According to the forced limiting balance beam of the tight coiling machine, the limiting structure can limit the working distance of the hydraulic cylinder, the balance beam and the lug plate are protected from being hit and damaged, the equipment replacement cost is reduced, the service life of the lug plate can be effectively prolonged, the abrasion degree of the balance beam and damage to the tight coiling machine are relieved, and the service life of the device is prolonged. The aim of reducing striking abrasion of the roll core and the lug plates is achieved.

Description

Technical Field

[0001] The utility model relates to the field of tight coiling machines, in particular to a tight coiling machine balance beam with added forced limiting function. Background Art

[0002] The coiler is an auxiliary equipment in the rolling mill that coils hot-rolled or cold-rolled steel into a coil. It is arranged after the finished product stand on the hot strip rolling mill (hot rolling unit), cold strip rolling mill and wire rod rolling mill; it is installed before and after the rolling mill on the single-stand reversible cold strip rolling mill. In addition, it is also installed in various finishing units such as continuous pickling units, slitting, annealing, coating, etc. As an important equipment at the back end of the strip production line, the coiler plays a key role in the compactness of the strip coil and the appearance of the coil.

[0003] The hydraulic cylinders on both sides of the existing tight winder (which play the role of adjusting the internal balance beam up and down) have a working distance that is greater than the maximum working distance of the balance beam each time. As the hydraulic cylinders work downward, the internal balance beam forms a downward force, causing damage to the winding core and the inner ear plate of the balance beam, resulting in production delays. A set of equipment needs to be replaced at regular intervals, and the equipment cost is high. Utility Model Content

[0004] In order to solve the problem that the internal balance beam forms a downward force when the hydraulic cylinder works downward, causing damage to the winding core and the inner ear plate of the balance beam, the utility model provides a balance beam for adding a forced limit tight winder, and the technical solution is as follows:

[0005] The balance beam of the tight coiler with forced limit includes a balance beam, a mounting frame, a limit structure and a support structure. The mounting frame is arranged on one side of the balance beam, and the limit structure and the support structure are both arranged on the top of the mounting frame.

[0006] The limiting structure includes a support frame, a limiting plate, a first bolt and a fixing block. There are two support frames and they are symmetrically arranged on the top of the mounting frame. The limiting plate is arranged on the inner side of the top of the support frame. The first bolt is arranged on the side of the support frame away from the balance beam. The fixing block is arranged on the bottom of the side of the support frame away from the balance beam.

[0007] It can limit the working distance of the hydraulic cylinder, protect the balance beam and the ear plate from being damaged by impact, reduce the cost of equipment replacement, and effectively extend the service life of the ear plate.

[0008] Preferably, the support structure comprises a movable block and a connecting structure, the number of the movable blocks is two and they respectively correspond to the positions of the two fixed blocks, and the movable block is movably connected to the support frame through the connecting structure.

[0009] Preferably, the connecting structure includes a first connecting member, a second connecting member and a connecting shaft, a groove is provided on the top of the movable block, the first connecting member is arranged at the top of the support frame away from the balance beam, the second connecting member is arranged on the inner side of the groove, and the first connecting member is fixedly connected to the second connecting member through the connecting shaft.

[0010] Preferably, the first connecting member comprises a fixed block, a first fixed shaft and a first rotating block, the first fixed shaft is fixedly installed between opposite sides of the first connecting member, and the first rotating block is movably installed on the outer surface of the first fixed shaft.

[0011] Preferably, the second connecting member comprises a second fixed shaft and a second rotating block, the second rotating block is movably mounted on the outer surface of the second fixed shaft, and the connecting shaft is fixedly mounted between opposite sides of the first rotating block and the second rotating block.

[0012] Preferably, a slot for engaging with a limiting plate is provided on the top of the supporting frame, and the supporting frame and the limiting plate are both arranged at an incline.

[0013] Preferably, positioning grooves are provided on both left and right sides of the limiting plate away from the balance beam, and positioning blocks extending into the positioning grooves are provided on the inner side of the clamping grooves.

[0014] Preferably, a first thread groove corresponding to the position of the first bolt is formed on one side of the limiting plate close to the first bolt, the first bolt passes through the support frame and extends to the inside of the first thread groove, and the first bolt is threadedly connected to the first thread groove.

[0015] Preferably, second bolts are provided on both left and right sides of the top of the fixed block, a third bolt is provided on the top of the movable block, and a second thread groove and a third thread groove corresponding to the positions of the second bolt and the third bolt respectively are opened on the top of the mounting frame.

[0016] Preferably, the second bolt and the third bolt respectively penetrate the fixed block and the movable block and extend to the inside of the second thread groove and the third thread groove, the second bolt and the third bolt are threadedly connected to the second thread groove and the third thread groove, respectively, and the fixed block and the movable block are fixedly connected to the mounting frame through the second bolt and the third bolt, respectively.

[0017] The supporting structure can effectively support the limiting structure, ensuring the stability of the overall structure and minimizing damage due to excessive force.

[0018] Beneficial effects:

[0019] The beneficial effects of the technical solution of the utility model are as follows:

[0020] 1. The added forced limit coiler balance beam and the limit structure can limit the working distance of the hydraulic cylinder, protect the balance beam and the ear plate from damage caused by impact, reduce the equipment replacement cost, and effectively extend the service life of the ear plate, reduce the wear of the balance beam and the damage to the coiler, and achieve the purpose of reducing the impact wear of the winding core and the ear plate.

[0021] 2. The added forced limit coiler balance beam and support structure can effectively support the limit structure, ensuring the stability of the overall structure, minimizing damage due to excessive force, and facilitating the installation and disassembly of the limit plate and the replacement of the limit plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the technical solution of the implementation mode of the utility model, the drawings required for use in the implementation mode will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying creative work.

[0023] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the utility model with a balance beam of a forced limit tight coiler added;

[0024] Figure 2 The utility model adds a forced limit tight coiler balance beam Figure 1 The enlarged structural diagram at A in the middle;

[0025] Figure 3 It is a front view structural diagram of the utility model with a balance beam of a tight coiler having forced limit added thereto.

[0026] In the figure, 1, balance beam; 2, mounting frame; 3, support frame; 4, limit plate; 5, positioning block; 6, first bolt; 7, fixed block; 8, movable block; 9, first connecting member; 10, second connecting member; 11, connecting shaft; 12, second bolt; 13, third bolt. DETAILED DESCRIPTION

[0027] In order to make the purpose, technical solutions and advantages of the embodiments of the utility model clearer, the technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Therefore, the following detailed description of the embodiments of the utility model provided in the drawings is not intended to limit the scope of the utility model for which protection is sought, but merely represents the selected embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0028] like Figure 1-3 As shown, the balance beam of the tight coiler with forced limit includes a balance beam 1, a mounting frame 2, a limit structure and a support structure. The mounting frame 2 is arranged on one side of the balance beam 1, and the limit structure and the support structure are both arranged on the top of the mounting frame 2;

[0029] The limiting structure includes a support frame 3, a limiting plate 4, a first bolt 6 and a fixing block 7. There are two support frames 3 and they are symmetrically arranged on the top of the mounting frame 2. The limiting plate 4 is arranged on the inner side of the top of the support frame 3. A slot for engaging with the limiting plate 4 is provided on the top of the support frame 3. The support frame 3 and the limiting plate 4 are both inclined. The first bolt 6 is provided on the side of the support frame 3 away from the balance beam 1. A first thread groove corresponding to the position of the first bolt 6 is provided on the side of the limiting plate 4 close to the first bolt 6. The first bolt 6 penetrates the support frame 3 and extends to the inside of the first thread groove. The first bolt 6 is threadedly connected to the first thread groove, which facilitates the installation and disassembly of the limiting plate 4. The fixing block 7 is arranged at the bottom of the support frame 3 away from the balance beam 1.

[0030] Specifically, positioning grooves are provided on both sides of the limit plate 4 away from the balance beam 1, and a positioning block 5 extending into the positioning groove is provided on the inner side of the groove, which facilitates the positioning of the limit plate 4 during installation and can prevent the limit plate 4 from accidentally shifting or shaking as much as possible.

[0031] In this embodiment, the limiting structure can limit the working distance of the hydraulic cylinder, protect the balance beam and the ear plate from being damaged by impact, reduce the cost of equipment replacement, and effectively extend the service life of the ear plate, reduce the wear of the balance beam and the damage to the winder.

[0032] like Figure 2As shown, the supporting structure includes a movable block 8 and a connecting structure. The number of movable blocks 8 is two and they correspond to the positions of the two fixed blocks 7 respectively. The movable block 8 is movably connected to the supporting frame 3 through the connecting structure. The connecting structure includes a first connecting member 9, a second connecting member 10 and a connecting shaft 11. A groove is opened on the top of the movable block 8. The first connecting member 9 is arranged at the top of the supporting frame 3 away from the balance beam 1, and the second connecting member 10 is arranged on the inner side of the groove. The first connecting member 9 is fixedly connected to the second connecting member 10 through the connecting shaft 11.

[0033] In addition, the first connecting member 9 includes a fixed block, a first fixed shaft and a first rotating block, the first fixed shaft is fixedly installed between the opposite sides of the first connecting member 9, and the first rotating block is movably installed on the outer surface of the first fixed shaft. The second connecting member 10 includes a second fixed shaft and a second rotating block, the second rotating block is movably installed on the outer surface of the second fixed shaft, and the connecting shaft 11 is fixedly installed between the opposite sides of the first rotating block and the second rotating block.

[0034] In this embodiment, the supporting structure can support the limiting structure, thereby ensuring the stability of the overall structure and avoiding damage due to excessive force as much as possible.

[0035] like Figure 1-2 As shown, second bolts 12 are provided on the left and right sides of the top of the fixed block 7, and a third bolt 13 is provided on the top of the movable block 8. The top of the mounting frame 2 is provided with a second thread groove and a third thread groove corresponding to the positions of the second bolt 12 and the third bolt 13, respectively. The second bolt 12 and the third bolt 13 respectively penetrate the fixed block 7 and the movable block 8 and extend to the inside of the second thread groove and the third thread groove, and the second bolt 12 and the third bolt 13 are respectively threadedly connected with the second thread groove and the third thread groove, and the fixed block 7 and the movable block 8 are respectively fixedly connected to the mounting frame 2 by the second bolt 12 and the third bolt 13.

[0036] In this embodiment, the installation and disassembly of the limiting structure and the supporting structure are facilitated without damaging the original structure of the balance beam 1 .

[0037] The method of using the utility model is as follows:

[0038] Align the positioning groove and the positioning block 5 to insert the limit plate 4 into the inner side of the two support frames 3, and then fix the limit plate 4 through the first bolt 6 and the first threaded groove, fix the fixing block 7 and the support frame 3 to the mounting frame 2 through the second bolt 12 and the second threaded groove, move the movable block 8 to make it contact with the mounting frame 2 and fix the movable block 8 through the third bolt 13 and the third threaded groove to complete the installation. When the limit plate 4 needs to be replaced, first unscrew the third bolt 13 and lift the connecting shaft 11 and the movable block 8, and then unscrew the first bolt 6 to conveniently take out the limit plate 4 for replacement.

[0039] The above description is only the preferred implementation of the utility model, and is not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A balance beam for a tight coiler with a forced limiter, characterized in that: include: A balance beam (1), a mounting frame (2), a limiting structure and a supporting structure, wherein the mounting frame (2) is arranged on one side of the balance beam (1), and the limiting structure and the supporting structure are both arranged on the top of the mounting frame (2); The limiting structure comprises a support frame (3), a limiting plate (4), a first bolt (6) and a fixing block (7); the number of the support frames (3) is two and they are symmetrically arranged on the top of the mounting frame (2); the limiting plate (4) is arranged on the inner side of the top of the support frame (3); the first bolt (6) is arranged on a side of the support frame (3) away from the balance beam (1); and the fixing block (7) is arranged on the bottom of the side of the support frame (3) away from the balance beam (1).

2. The balance beam of the tensioning coiler with added forced limit according to claim 1 is characterized in that: The support structure comprises a movable block (8) and a connecting structure. The movable blocks (8) are two in number and correspond to the positions of two fixed blocks (7) respectively. The movable block (8) is movably connected to the support frame (3) via the connecting structure.

3. The balance beam of the tensioning coiler with added forced limit according to claim 2 is characterized in that: The connection structure comprises a first connection member (9), a second connection member (10) and a connection shaft (11); a groove is provided on the top of the movable block (8); the first connection member (9) is arranged on the top of the support frame (3) away from the balance beam (1); the second connection member (10) is arranged on the inner side of the groove; the first connection member (9) is fixedly connected to the second connection member (10) via the connection shaft (11).

4. The balance beam of the tensioning coiler with added forced limit according to claim 3 is characterized in that: The first connecting member (9) comprises a fixed block, a first fixed shaft and a first rotating block, wherein the first fixed shaft is fixedly installed between opposite sides of the first connecting member (9), and the first rotating block is movably installed on the outer surface of the first fixed shaft.

5. The balance beam of the tension coiler with added forced limit according to claim 4 is characterized in that: The second connecting member (10) comprises a second fixed shaft and a second rotating block, the second rotating block is movably mounted on the outer surface of the second fixed shaft, and the connecting shaft (11) is fixedly mounted between opposite sides of the first rotating block and the second rotating block.

6. The balance beam of the tensioning coiler with added forced limit according to claim 1 is characterized in that: The top of the support frame (3) is provided with a slot for engaging with the limiting plate (4), and the support frame (3) and the limiting plate (4) are both arranged in an inclined manner.

7. The balance beam of the tightening coiler with added forced limit according to claim 6, characterized in that: The limit plate (4) is provided with positioning grooves on both the left and right sides of the side away from the balance beam (1), and a positioning block (5) extending into the positioning groove is provided inside the positioning groove.

8. The balance beam of a tight coiler with added forced limit according to claim 1, characterized in that: A first thread groove corresponding to the position of the first bolt (6) is formed on a side of the limiting plate (4) close to the first bolt (6); the first bolt (6) passes through the support frame (3) and extends into the interior of the first thread groove; the first bolt (6) is threadably connected to the first thread groove.

9. The balance beam of a tight coiler with added forced limit according to claim 2, characterized in that: The fixed block (7) is provided with a second bolt (12) on both left and right sides of its top, the movable block (8) is provided with a third bolt (13) on its top, and the mounting frame (2) is provided with a second thread groove and a third thread groove respectively corresponding to the positions of the second bolt (12) and the third bolt (13).

10. The balance beam of the tightening coiler with added forced limit according to claim 9, characterized in that: The second bolt (12) and the third bolt (13) respectively penetrate the fixed block (7) and the movable block (8) and extend to the inside of the second thread groove and the third thread groove, the second bolt (12) and the third bolt (13) are respectively threadedly connected to the second thread groove and the third thread groove, and the fixed block (7) and the movable block (8) are respectively fixedly connected to the mounting frame (2) by the second bolt (12) and the third bolt (13).

Images