Centering device for cold-rolled strip steel uncoiler

Abstract

The utility model relates to a centering device for a cold-rolled strip steel uncoiler, which comprises two press rollers arranged in parallel at an interval, the press rollers are rotatably connected to the uncoiler, a gap between the two press rollers is defined as a strip steel channel, one end of the strip steel channel is provided with a stop block, the stop block is mounted on the uncoiler, and the stop block is connected with the press rollers. And after the strip steel penetrates through the strip steel channel, the stop blocks can abut against the two sides, parallel to the length direction of the stop blocks, of the strip steel. The strip steel uncoiling device has the effect of improving the strip steel uncoiling stability.

Description

Technical Field

[0001] The present invention relates to the technical field of uncoiling equipment, and more particularly to a centering device for a cold-rolled strip uncoiler. Background Art

[0002] Cold-rolled strip is a common type of steel, which is formed into thin sheets through cold extrusion. The strip is usually stored in coils, so when the strip is used later, an uncoiler is needed to uncoil the coiled strip.

[0003] The uncoiler mainly includes a frame and an air shaft rotatably connected to the frame. The air shaft is driven by a servo motor. The steel coil (here referring to the coiled strip) is sleeved on the air shaft, and by rotating the air shaft, the steel coil can be driven to rotate, thus realizing the uncoiling of the steel coil. Usually, two pressure rollers are arranged in parallel and spaced apart on the frame. After the strip is uncoiled, it passes through between the two pressure rollers, thereby improving the stability of the strip during movement.

[0004] In the related art, the pressure rollers block the vibration of the strip in a direction perpendicular to itself to a certain extent. However, during the movement of the strip, there is still an offset in the direction parallel to the strip, resulting in a deviation in the feeding position of the subsequent equipment. Therefore, the stability during the uncoiling process of the steel coil needs to be further improved. Summary of the Invention

[0005] In order to further improve the stability during the uncoiling process of cold-rolled strip, a centering device for a cold-rolled strip uncoiler is provided.

[0006] The centering device for a cold-rolled strip uncoiler provided in this application adopts the following technical solutions:

[0007] A centering device for a cold-rolled strip uncoiler includes two pressure rollers arranged in parallel and spaced apart. The pressure rollers are rotatably connected to the uncoiler. The gap between the two pressure rollers is defined as the strip channel. One end of the strip channel is provided with a stop block. The stop block is installed on the uncoiler and is arranged in two groups at intervals along the length direction of the pressure rollers. Each group includes at least one. After the strip passes through the strip channel, the stop block can abut against both sides of the strip parallel to its own length direction.

[0008] By adopting the above technical solution, two groups of stop blocks are arranged on both sides of the strip channel. The strip passes through the strip channel, and the two pressure rollers limit it in a direction perpendicular to the strip. The two groups of stop blocks limit it in a direction parallel to the strip, thereby reducing the situation of the strip deviating in a direction parallel to itself during the uncoiling process and improving the stability during the uncoiling process of the strip.

[0009] Optionally, an extension part is provided on the side of the stop block close to the pressure roller. One side of the extension part is fixedly connected to the stop block, and the other side extends into the strip channel.

[0010] By adopting the above technical solution, the extension part is provided to increase the contact area between the stopper and the strip steel, further improve the limiting effect on the strip steel, and thus further improve the stability during the uncoiling process of the strip steel.

[0011] Optionally, an adjusting component is arranged between the stopper and the uncoiler. The adjusting component includes an adjusting rod threadedly connected to the uncoiler, and the stopper is installed on the adjusting rod. Rotating the adjusting rod can drive the stopper to move in a direction parallel to the axis of the pressure roller.

[0012] By adopting the above technical solution, rotating the adjusting rod drives the stopper to move, thereby adjusting the distance between the two stoppers, and thus being able to limit strip steels of different widths.

[0013] Optionally, the adjusting component further includes a mounting block. The mounting block is located between the adjusting rod and the uncoiler. The mounting block is connected to the uncoiler, and the adjusting rod is threadedly connected to the mounting block.

[0014] By adopting the above technical solution, the mounting block is provided to connect the uncoiler and the adjusting rod, facilitating the assembly and installation of the adjusting rod.

[0015] Optionally, the mounting block can rotate around the rotation axis of one of the pressure rollers.

[0016] By adopting the above technical solution, rotating the mounting block drives the adjusting rod to move, and further drives the stopper to approach or move away from the strip steel channel, so as to reduce the influence of the stopper on the movement of the strip steel during the process of the strip steel penetrating into the strip steel channel.

[0017] Optionally, a limiting component is arranged on the mounting block. The limiting component includes a limiting block. The limiting block is slidably connected to the mounting block in a direction perpendicular to the rotation axis of the mounting block. A limiting groove is provided on the uncoiler corresponding to the position of the limiting block. Sliding the limiting block can make one end of the limiting block insert into the limiting groove.

[0018] By adopting the above technical solution, sliding the limiting block makes one end of the limiting block insert into the limiting groove, thereby limiting the rotation of the mounting block and improving the stability of the stopper for limiting the strip steel.

[0019] Optionally, the limiting component further includes an elastic member, and the elastic member is used to apply a force to the limiting block to make the limiting block move in a direction approaching the limiting groove.

[0020] By adopting the above technical solution, the elastic member can make the limiting block stably inserted into the limiting groove, further improving the stability of the mounting block during the uncoiling process of the strip steel.

[0021] Optionally, a connecting rod is arranged between two groups of mounting blocks, and two ends of the connecting rod are respectively fixedly connected to the two mounting blocks.

[0022] By adopting the above technical solution, two mounting blocks are connected by a connecting rod, so that the two mounting blocks form an integral body, facilitating the staff to synchronously adjust the positions of the two mounting blocks.

[0023] In summary, the beneficial technical effects of the present invention are as follows: a stop block is provided to limit the displacement of the strip steel in the direction parallel to itself, improving the stability during the uncoiling process of the strip steel. Description of the Drawings

[0024] Figure 1 is a schematic diagram of the overall structure of an embodiment of the present application.

[0025] Figure 2 is a schematic diagram of the structure of the limit adjustment assembly of an embodiment of the present application.

[0026] Reference numerals: 1, pressure roller; 11, support shaft; 12, strip steel channel; 2, adjustment assembly; 21, mounting block; 22, adjustment rod; 23, sliding rod; 3, limit assembly; 31, limit block; 32, elastic member; 33, limit groove; 4, connecting rod; 5, stop block; 51, extension portion; 52, avoidance groove. Detailed Embodiment

[0027] The present invention will be further described in detail below with reference to the accompanying drawings.

[0028] Refer to Figure 1 , two pressure rollers 1 are arranged in parallel at intervals along the vertical direction on the uncoiler, and support shafts 11 are arranged at both ends of the pressure rollers 1. One end of the support shaft 11 is rotatably connected to the pressure roller 1, and the other end is fixedly connected to the frame of the uncoiler by screws.

[0029] Refer to Figure 1 , a centering device for a cold-rolled strip steel uncoiler disclosed in the present invention includes two groups of stop blocks 5, the two groups of stop blocks 5 are respectively arranged on two support shafts 11, and each group includes at least one stop block 5, which is set to 1 in this embodiment. Define the side surfaces of the two groups of stop blocks 5 that are close to each other as the abutting surfaces, and the perpendicular distance between the two abutting surfaces is equal to the width of the strip steel. Define the gap between the two pressure rollers 1 as the strip steel channel 12. After the strip steel passes through the strip steel channel 12, the two side surfaces of the strip steel perpendicular to its own width can abut against the two abutting surfaces, so as to limit the strip steel and prevent the strip steel from shifting in the direction parallel to its own width, further improving the stability during the uncoiling process of the strip steel.

[0030] Refer to Figure 2, on one side of the stopper 5 close to the pressure roller 1, there is an extension part 51. The extension part 51 is welded to the stopper 5. The extension part 51 corresponds to the strip steel channel 12 and extends into the strip steel channel 12, increasing the contact area between the stopper 5 and the strip steel and improving the stability of limiting the strip steel. A relief groove 52 is provided on the extension part 51 corresponding to the pressure roller 1 to prevent interference between the extension part 51 and the pressure roller 1.

[0031] Refer to Figure 2 , an adjustment assembly 2 is provided between the stopper 5 and the support shaft 11. The adjustment assembly 2 is used to drive the stopper 5 to move in a direction parallel to the axis of the pressure roller 1. The adjustment assembly 2 includes a mounting block 21 and an adjustment rod 22. The mounting block 21 is connected to one of the support shafts 11. In this embodiment, the mounting block 21 is mounted on the support shaft 11 facing away from the ground. The adjustment rod 22 is a threaded rod. A threaded hole is provided on the mounting block 21 at a position corresponding to the adjustment rod 22, and the adjustment rod 22 is threadedly engaged in the threaded hole. The stopper 5 is mounted on the adjustment rod 22. Rotating the adjustment rod 22 can drive the stopper 5 to move, realizing the adjustment of the distance between the two abutting surfaces to adapt to the uncoiling of strip steel with different widths.

[0032] The stopper 5 is rotatably connected to the adjustment rod 22. A sliding rod 23 is provided between the stopper 5 and the mounting block 21. The sliding rod 23 is slidably connected to the mounting block 21. The stopper 5 is welded to the sliding rod 23. Through the sliding rod 23, the rotation of the stopper 5 following the adjustment rod 22 can be limited, and at the same time, the movement of the stopper 5 can be guided, improving the stability of the stopper 5 during the movement process.

[0033] Refer to Figure 2 , a through hole is provided on the mounting block 21 at a position corresponding to the support shaft 11. The mounting block 21 is rotatably sleeved on the support shaft 11. Rotating the mounting block 21 can drive the stopper 5 to rotate around the rotation axis of the pressure roller 1. Further, the stopper 5 can be moved closer to or farther away from the strip steel channel 12. When the stopper 5 is located away from the strip steel channel 12, the influence of the stopper 5 on the strip steel during the process of the strip steel passing through the strip steel channel 12 can be reduced.

[0034] Refer to Figure 2A limiting assembly 3 is provided on the mounting block 21. The limiting assembly 3 is used to limit the rotation of the mounting block 21. The limiting assembly 3 includes a limiting block 31 slidably connected to the mounting block 21 in a direction perpendicular to the rotation axis of the mounting block 21. A limiting groove 33 is provided on the support shaft 11 at a position corresponding to the limiting block 31. The sliding limiting block 31 can make one side of the limiting block 31 inserted into the limiting groove 33, thereby limiting the rotation of the mounting block 21. Improve the stability of the stopper 5 in the process of limiting the strip steel. It is defined that the stopper 5 is in an avoidance state when it is away from the strip steel channel 12. In order to improve the stability of the stopper 5 in the avoidance state, two limiting grooves 33 are provided along the circumference of the support shaft 11, so that when the stopper 5 is in the avoidance state, one side of the limiting block 31 can also be inserted into the limiting groove 33 to limit the mounting block 21.

[0035] Reference Figure 2 The limit assembly 3 further includes an elastic member 32, which is used to apply a force to the limit block 31 to move the limit block 31 toward the direction close to the support shaft 11. In this embodiment, the elastic member 32 is a compression spring, one end of which is welded to the limit block 31, and the other end is welded to the mounting block 21. Under the action of the spring, the limit block 31 can be prevented from escaping from the limit groove 33, thereby improving the stability of the limit assembly 3 limiting the mounting block 21.

[0036] Reference Figure 2 The side of the stop block 31 close to the support shaft 11 is provided with an arc surface with an opening facing away from the support shaft 11, and the axis of the arc surface is parallel to the rotation axis of the mounting block 21. When sufficient force is applied to the mounting block 21, under the action of the arc surface, the stop block 31 can overcome the elastic force of the elastic member 32 and escape from the stop groove 33, thereby facilitating the staff to adjust the state of the stop block 5.

[0037] Reference Figure 2 A connecting rod 4 is provided between the two mounting blocks 21, and the two ends of the connecting rod 4 are respectively welded to the two mounting blocks 21. Connecting the two mounting blocks 21 by the connecting rod 4 facilitates the staff to adjust the two mounting blocks 21. At the same time, the setting of the connecting rod 4 facilitates the staff to apply force to the mounting blocks 21, and further facilitates the staff to rotate the mounting blocks 21.

[0038] The implementation principle of this embodiment is: stoppers 5 are arranged on both sides of the strip in the width direction, so as to limit the displacement of the strip in the direction parallel to its own width, thereby further improving the stability of the strip during unwinding.

[0039] The embodiments of this specific implementation method are all preferred embodiments of the present invention, and are not intended to limit the protection scope of the present invention. Therefore, any equivalent changes made based on the structure, shape, and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A centering device for a cold-rolled steel strip uncoiler, comprising two parallel and spaced-apart pressure rollers (1), wherein the pressure rollers (1) are rotatably connected to the uncoiler, and characterized in that: The gap between the two pressing rollers (1) is defined as a steel strip channel (12). A stopper (5) is provided at one end of the steel strip channel (12). The stopper (5) is installed on the uncoiler and is arranged in two groups at intervals along the length direction of the pressing roller (1). Each group includes at least one stopper. After the steel strip passes through the steel strip channel (12), the stopper (5) can abut against both sides of the steel strip parallel to its own length direction.

2. The centering device for a cold-rolled strip uncoiler according to claim 1, characterized in that: An extension portion (51) is provided on one side of the stopper (5) close to the pressure roller (1); one side of the extension portion (51) is fixedly connected to the stopper (5) and the other side extends toward the inside of the strip steel channel (12).

3. A centering device for a cold-rolled strip uncoiler according to claim 1 or 2, characterized in that: An adjustment assembly (2) is provided between the stopper (5) and the uncoiler, the adjustment assembly (2) comprising an adjustment rod (22) threadedly connected to the uncoiler, the stopper (5) being mounted on the adjustment rod (22), and rotating the adjustment rod (22) can drive the stopper (5) to move in a direction parallel to the axis of the pressure roller (1).

4. The centering device for a cold-rolled strip uncoiler according to claim 3, characterized in that: The adjustment assembly (2) also includes a mounting block (21), wherein the mounting block (21) is located between the adjustment rod (22) and the uncoiler, the mounting block (21) is connected to the uncoiler, and the adjustment rod (22) is threadedly connected to the mounting block (21).

5. The centering device for a cold-rolled strip uncoiler according to claim 4, characterized in that: The mounting block (21) is rotatable about the rotation axis of one of the pressure rollers (1).

6. A centering device for a cold-rolled strip uncoiler according to claim 5, characterized in that: A limit assembly (3) is arranged on the mounting block (21), the limit assembly (3) comprising a limit block (31), the limit block (31) being slidably connected to the mounting block (21) in a direction perpendicular to the rotation axis of the mounting block (21), a limit groove (33) being arranged on the uncoiler at a position corresponding to the limit block (31), and sliding the limit block (31) enables one side of the limit block (31) to be inserted into the limit groove (33).

7. A centering device for a cold-rolled strip uncoiler according to claim 6, characterized in that: The limiting assembly (3) further comprises an elastic member (32), wherein the elastic member (32) is used to apply a force to the limiting block (31) so as to cause the limiting block (31) to move in a direction close to the limiting groove (33).

8. The centering device for a cold-rolled strip uncoiler according to claim 5, characterized in that: A connecting rod (4) is arranged between the two groups of mounting blocks (21), and two ends of the connecting rod (4) are respectively fixedly connected to the two mounting blocks (21).

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