A guide mechanism for a steel rolling looper

Abstract

This utility model discloses a guide mechanism for a rolling mill looper, relating to the technical field of rolling mill equipment. It includes a cover shell for connecting the looper. A mounting base is symmetrically arranged at the top of the inclined portion of the cover shell. A rotating rod is rotatably connected inside the mounting base. Connecting rods extending downwards are arranged at both ends of the rotating rod. An arc-shaped plate is arranged between the connecting rods, extending arc-shaped towards the bottom of the inclined portion of the cover shell. A contact roller adapted to the opening length of the cover shell is arranged at the end of the arc-shaped plate. Under the influence of weight, the connecting rods always remain in a drooping state, and the arc-shaped plate ensures that the contact roller is positioned above the bottom of the inner wall of the cover shell. When the steel strip moves on the surface of the contact roller, it naturally presses downwards against the contact roller. At this time, the contact roller, due to the aforementioned weight, always exerts a pushing force on the steel strip, thereby supporting the steel strip to a certain extent. Even if the steel strip moves upwards or downwards, the contact roller can always maintain contact with the steel strip, preventing the steel strip from losing its conveying capacity.

Description

Technical Field

[0001] This utility model relates to the field of steel rolling equipment technology, and in particular to a guide mechanism for a steel rolling looper. Background Technology

[0002] A steel rolling looper can maintain a constant low tension on the steel strip within a certain range, preventing necking of the steel strip due to excessive tension, or even breakage due to uneven width.

[0003] Typically, a guide mechanism is installed at the discharge end of the rolling looper to assist the movement of the steel strip. Most existing guide mechanisms are fixed rollers. The steel strip is guided to move by rotating through contact with the roller and lifting it to a certain extent. However, when the tension of the steel strip is adjusted by the rolling looper, the moving steel strip may change its movement state in the vertical direction, that is, vertical displacement occurs.

[0004] The existing delivery mechanism is fixed in place and cannot maintain contact with the steel belt when it moves upward, thus failing to ensure the stability of the steel belt's movement. When the steel belt is pressed downward, the position of the delivery mechanism is fixed, which hinders the movement of the steel belt, increases the tension of the steel belt, and raises the risk of steel belt deformation. Utility Model Content

[0005] To address the aforementioned problems, the purpose of this utility model is to provide a guide mechanism for a steel rolling looper, which solves the problem that if the steel rolling looper adjusts the tension of the steel strip when it passes through the guide mechanism, the steel strip may separate or be squeezed between itself and the guide mechanism.

[0006] The technical solution of this utility model is as follows: it includes a cover shell for connecting the loop, the opening end of the cover shell is inclined from top to bottom, the top of the inclined part of the cover shell is symmetrically provided with a mounting seat, a rotating rod is rotatably connected inside the mounting seat, the two ends of the rotating rod are provided with downward extending connecting rods, an arc plate is provided between the connecting rods, the arc plate extends arc-shaped towards the bottom of the inclined part of the cover shell, the end of the arc plate is provided with a contact roller adapted to the opening length of the cover shell, and heat dissipation mechanisms are provided on both sides of the surface of the arc plate.

[0007] Furthermore, the connecting rod is a rod-shaped structure with diameters at both ends larger than the diameter in the middle. The large-diameter portion at the top of the connecting rod is provided with a collar, which connects to the rotating rod. The large-diameter portion at the bottom of the connecting rod is a counterweight portion, so that the weight of the connecting rod is evenly distributed.

[0008] Furthermore, the arc-shaped plate is an upwardly curved plate structure made of high-strength, high-temperature resistant aluminum alloy. The aluminum alloy material ensures that the arc-shaped plate does not deform under high temperature conditions and has good thermal conductivity.

[0009] Furthermore, the contact roller at the end of the arc-shaped plate is a solid steel roller with a smooth surface. The arc-shaped plate and the contact roller are made by full welding or layered casting. The length of the contact roller is adapted to the inner diameter of the cover shell, so that the temperature inside the contact roller can be quickly absorbed by the arc-shaped plate, avoiding the contact roller itself from getting too hot, which would affect the contact effect with the steel.

[0010] Furthermore, the weight of the large-diameter portion at the bottom of the connecting rod, the arc-shaped plate, and the contact roller is greater than the sum of the weight of the small-diameter portion in the middle and the large-diameter portion at the top of the connecting rod. Under the action of the weight, the connecting rod always remains in a drooping state and extends the end of the arc-shaped plate to a horizontal position higher than the bottom of the inner wall of the cover shell. This ensures that the contact roller always remains in a fixed position without the influence of external force and can quickly reset after positional movement. At the same time, it maintains a certain thrust under the action of weight when positional movement occurs.

[0011] Furthermore, the heat dissipation mechanism includes heat dissipation grooves evenly spaced on the upper surface of the arc-shaped plate, and fins evenly spaced on the lower surface of the arc-shaped plate. The heat dissipation grooves and fins on the surface of the arc-shaped plate are distributed alternately, so that the arc-shaped plate can dissipate heat quickly.

[0012] Furthermore, the connecting rods are located on both sides of the cover shell, and the length of the arc plate between the two connecting rods is greater than the diameter of the cover shell, so that the arc plate cannot enter the cover shell during movement. The length of the arc plate limits the range of movement of the arc plate.

[0013] The beneficial effects of this utility model are as follows:

[0014] 1. This utility model sets a counterweight at the bottom of the connecting rod, as well as an arc plate and a contact roller on the surface of the arc plate to ensure that the connecting rod always remains in a drooping state under the influence of weight. The arc plate also makes the contact roller positioned above the bottom of the inner wall of the cover shell. Under normal use, the steel belt will naturally press down on the contact roller as it moves on the surface of the contact roller. At this time, the contact roller will always exert a pushing force on the steel belt due to the weight influence mentioned above, thereby supporting the steel belt to a certain extent. Even if the steel belt moves up or down, the contact roller can always maintain contact with the steel belt, preventing the steel belt from losing its conveying limit.

[0015] 2. This utility model also uses an arc-shaped plate to install the contact roller. When the contact roller comes into contact with the steel strip, it will be affected by the temperature of the steel strip and heat up rapidly. The arc-shaped plate can quickly absorb the heat and dissipate it outward through the heat dissipation mechanism set on its surface, so as to avoid the contact roller from overheating when it is in contact with the steel strip for a long time, thereby affecting its material properties and extending its service life. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0017] Figure 2 This is a schematic diagram of the covering shell structure of this utility model;

[0018] Figure 3 This is a schematic diagram of the arc-shaped plate structure of this utility model;

[0019] Figure 4 This is a schematic diagram of the swing state of the linkage structure of this utility model.

[0020] Reference numerals: 1. Cover shell; 2. Mounting base; 3. Rotating rod; 4. Connecting rod; 5. Arc plate; 6. Contact roller; 7. Heat dissipation mechanism. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0022] like Figure 1-4 As shown, an output mechanism for a steel rolling looper includes a cover shell 1 for connecting the looper. The open end of the cover shell 1 is inclined from top to bottom. The top of the inclined part of the cover shell 1 is symmetrically provided with a mounting base 2. A rotating rod 3 is rotatably connected inside the mounting base 2. The rotating rod 3 is provided with downwardly extending connecting rods 4 at both ends. The connecting rod 4 is a rod-shaped structure with the diameter at both ends being larger than the diameter in the middle. The large diameter part at the top of the connecting rod 4 is provided with a collar, which connects to the rotating rod 3. The large diameter part at the bottom of the connecting rod 4 is a counterweight part, so that the weight of the connecting rod 4 is evenly distributed.

[0023] An arc-shaped plate 5 is provided between the connecting rods 4. The arc-shaped plate 5 is a plate-shaped structure with an upward arc bend made of high-strength, high-temperature resistant aluminum alloy. The aluminum alloy material ensures that the arc-shaped plate 5 does not deform under high temperature and has good thermal conductivity. The connecting rods 4 are located on both sides of the cover shell 1. The length of the arc-shaped plate 5 between the two connecting rods 4 is greater than the diameter of the cover shell 1, so that the arc-shaped plate 5 cannot enter the cover shell 1 during movement. The length of the arc-shaped plate 5 limits the range of movement of the arc-shaped plate 5.

[0024] The arc-shaped plate 5 extends arc-shaped to the bottom of the inclined portion of the cover shell 1. A contact roller 6, adapted to the opening length of the cover shell 1, is provided at the end of the arc-shaped plate 5. The contact roller 6 at the end of the arc-shaped plate 5 is a solid steel roller with a smooth surface. The arc-shaped plate 5 and the contact roller 6 are formed by full welding or layered casting. The length of the contact roller 6 is adapted to the inner diameter of the cover shell 1, allowing the temperature inside the contact roller 6 to be quickly absorbed by the arc-shaped plate 5, preventing the contact roller 6 from overheating and affecting the contact effect with the steel. The weight of the large-diameter portion at the bottom of the connecting rod 4, the arc-shaped plate 5, and the contact roller 6 is greater than the weight of the small-diameter portion in the middle and the large-diameter portion at the top of the connecting rod 4. The total weight, under the action of the weight, the connecting rod 4 always remains in a drooping state and extends the end of the arc plate 5 to the horizontal direction above the bottom of the inner wall of the cover shell 1, ensuring that the contact roller 6 always remains in a fixed position without the influence of external force, and can quickly reset after position movement. At the same time, under the action of the weight, it maintains a certain thrust when position movement occurs. Heat dissipation mechanism 7 is provided on both sides of the surface of the arc plate 5. The heat dissipation mechanism 7 includes heat dissipation grooves evenly spaced on the upper surface of the arc plate 5 and fins evenly spaced on the lower surface of the arc plate 5. The heat dissipation grooves and fins on the surface of the arc plate 5 are staggered to allow the arc plate 5 to dissipate heat quickly.

[0025] Working principle of this utility model:

[0026] First, the operator installs the cover shell 1 on the discharge end side of the rolling looper. When the steel strip inside the rolling looper is discharged outward, it will first contact the contact roller 6. Under the action of weight and the direction of movement, the steel strip presses down on the contact roller 6. When the contact roller 6 is pressed, it pushes the arc plate 5 to drive the connecting rod 4 to rotate along the rotating rod 3. At this time, the downward direction of the connecting rod 4 changes, and the counterweight part at the bottom of the arc plate 5 and the connecting rod 4 drives the connecting rod 4 to try to return to its original position under the action of weight. During this process, the connecting rod 4 pushes the contact roller 6 through the arc plate 5 so that the contact roller 6 always keeps in contact with the moving steel strip. Even if the steel strip changes vertically during the movement, the contact roller 6 can always maintain contact with the steel strip under the action of thrust, ensuring that the steel strip is always supported and restricted by the contact roller 6. At the same time, the steel strip will not be subjected to additional tension due to the support and restriction of the contact roller 6.

[0027] When the contact roller 6 comes into contact with the steel strip, it absorbs heat from the steel strip. This heat is quickly transferred to the arc plate 5. The heat inside the arc plate 5 is then dissipated to the outside through the heat dissipation mechanism 7. This prevents the material structure of the contact roller 6 from being affected by prolonged high temperatures, which could lead to scratches on the surface and damage to the steel strip during use.

[0028] 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 run-out mechanism for a steel rolling loop, comprising a covering shell (1) for connecting the loop, the open end of the covering shell (1) being inclined downward from top, characterized in that: The top of the inclined portion of the cover shell (1) is symmetrically provided with mounting bases (2), and a rotating rod (3) is rotatably connected inside the mounting base (2). The two ends of the rotating rod (3) are provided with downwardly extending connecting rods (4), and an arc plate (5) is provided between the connecting rods (4). The arc plate (5) extends arc-shapedly towards the bottom of the inclined portion of the cover shell (1). The end of the arc plate (5) is provided with a contact roller (6) adapted to the opening length of the cover shell (1), and a heat dissipation mechanism (7) is provided on both sides of the surface of the arc plate (5).

2. An extraction mechanism for a steel rolling loop as claimed in claim 1, characterized in that: The connecting rod (4) is a rod-shaped structure with diameters at both ends greater than the diameter in the middle. The large-diameter part at the top of the connecting rod (4) is provided with a collar, which connects to the rotating rod (3). The large-diameter part at the bottom of the connecting rod (4) is a counterweight.

3. An ejection mechanism for a steel rolling loop as defined in claim 1, characterized in that: The arc-shaped plate (5) is an upwardly curved plate structure made of high-strength, high-temperature resistant aluminum alloy material.

4. An ejection mechanism for a steel rolling loop as defined in claim 1, characterized in that: The contact roller (6) at the end of the arc plate (5) is a solid steel roller with a smooth surface, and the length of the contact roller (6) is adapted to the opening diameter of the cover shell (1).

5. A guide mechanism for a steel rolling looper according to any one of claims 2-4, characterized in that: The weight of the large diameter part at the bottom of the connecting rod (4), the arc plate (5), and the contact roller (6) is greater than the total weight of the small diameter part in the middle and the large diameter part at the top of the connecting rod (4). Under the action of the weight, the connecting rod (4) always remains in a drooping state and the end of the arc plate (5) extends to the bottom of the inner wall of the cover shell (1) in the horizontal direction.

6. The guide mechanism for a steel rolling looper according to claim 1, characterized in that: The heat dissipation mechanism (7) includes heat dissipation grooves evenly spaced on the upper surface of the arc plate (5) and fins evenly spaced on the lower surface of the arc plate (5). The heat dissipation grooves and fins on the surface of the arc plate (5) are interleaved.

7. The guide mechanism for a steel rolling looper according to claim 1, characterized in that: The two connecting rods (4) are located on both sides of the cover shell (1), and the length of the arc plate (5) between the two connecting rods (4) is greater than the diameter of the cover shell (1).

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