A cold-rolled coil unwinding device

Abstract

The utility model discloses a cold-rolled plate unwinding device belongs to cold-rolled plate unwinding technical field, include: mounting seat and positioning board, two support plates are set up on the mounting seat and positioning board upper end respectively, and the support plate of one side is equipped with the winding shaft, and the support plate of other side is rotatably connected with the positioning shaft, two limit rings are set up on winding shaft and positioning shaft outside respectively, the utility model discloses, through setting up the multiple abutting grooves of rectangular plate outside, cooperate the multiple abutting plates of one side of multiple adjusting board, can when rotating first screw rod, will drive rectangular plate to remove, makes multiple abutting plate synchronous stress under the effect of abutting groove, promotes multiple abutting plate to separate multiple abutting groove, and then drives multiple adjusting board to remove outward, has realized to the flexible adjustment of winding shaft size, makes it can accurate adaptation according to the cold-rolled plate reel of different diameter, makes the applicability of cold-rolled plate unwinding device use better.

Description

Technical Field

[0001] This utility model belongs to the field of cold-rolled coil unwinding technology, specifically relating to a cold-rolled coil unwinding device. Background Technology

[0002] The cold-rolled coil unwinding device is a core piece of equipment used in cold-rolled coil production to achieve continuous and stable unwinding. Its principle involves a motor driving the winding rollers or shaft to rotate, which, in conjunction with limiting rollers and support components, ensures the coil remains flat and tension is controllable during unwinding. The device adapts to coils of different widths via adjustable limiting discs or movable plates. Some designs employ a main and auxiliary roller docking structure for rapid loading, while extension components expand the winding range, preventing deformation caused by concentrated load. The cold-rolled coil unwinding device provides a stable material supply for subsequent processing steps, ensuring consistent product quality, and its modular design improves coil changeover efficiency.

[0003] Chinese Patent Publication No. CN222999393U relates to the field of unwinding device technology and discloses a cold-rolled coil unwinding device, including a base and support plates opposite to each other on the base. A rotatable take-up roller is provided between the support plates. One of the two support plates is movably mounted on the base via a driving assembly. The take-up roller includes a main roller rotatably mounted on one of the two support plates and an auxiliary roller rotatably mounted on the other support plate. The opposite ends of the main roller and the auxiliary roller are docked. A docking assembly is provided inside the main roller, and movable limiting discs are provided opposite to each other on the main roller and the auxiliary roller. The movement of the support plates drives the main roller to move towards the auxiliary roller, and the docking assembly realizes the docking between the two to form the take-up roller. Thus, when installing the cold-rolled coil on the take-up roller, the main roller and the auxiliary roller pass through the cold-rolled coil and dock, which better realizes the installation of the cold-rolled coil on the take-up roller. Compared with the prior art, the installation of the cold-rolled coil on the take-up roller in this utility model is more convenient and easier to use.

[0004] In practical use, cold-rolled coils are usually loaded onto a cold-rolled coil unwinding device for subsequent operations. However, the existing cold-rolled coil unwinding devices generally adopt a fixed drum diameter design. This characteristic means that they can only be adapted to cold-rolled coils with a specific inner diameter. When faced with loading cold-rolled coils of other sizes and specifications, the existing cold-rolled coil unwinding devices have obvious shortcomings in adaptability due to their own structural limitations, which makes the applicability of the cold-rolled coil unwinding devices somewhat lacking. Utility Model Content

[0005] This utility model proposes a cold-rolled coil unwinding device to solve the problem of inconvenience in loading cold-rolled coils with different roll diameters in the prior art.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a cold-rolled coil unwinding device, comprising: Mounting base and positioning plate; Two support plates are respectively set on the upper part of the mounting base and the positioning plate. The support plate on one side is provided with a winding shaft, and the support plate on the other side is rotatably connected to the positioning shaft. Two limiting rings are respectively set on the outside of the take-up shaft and the positioning shaft. A rectangular groove is opened in the take-up shaft. A first screw is rotatably connected in the rectangular groove. A matching rectangular plate is provided in the rectangular groove. The mounting slot is provided at one end of the mounting base, and the positioning plate is provided at one end with a mounting plate that is compatible with the mounting slot. Both the mounting base and the positioning plate are provided with multiple casters at their bottom ends.

[0007] In a preferred embodiment, the rectangular plate is provided with a threaded hole adapted to the first screw, the first screw passes through the threaded hole and is threadedly connected to the side wall of the threaded hole, one end of the rectangular groove is rotatably connected to a drive shaft, one end of the drive shaft extends to the outside, the other end of the drive shaft is provided with a first bevel gear, and a second bevel gear that meshes with the first bevel gear is provided on the outside of the first screw.

[0008] To accommodate different drum diameters, the rectangular groove has multiple sidewalls with through-holes for mounting, and each mounting hole has a corresponding adjusting plate. Each adjusting plate has multiple arc-shaped abutment plates on one side. The rectangular plate has multiple abutment grooves that match the abutment plates on its outer side. The abutment plates are located in the multiple abutment grooves and are slidably connected to the sidewalls of the abutment grooves.

[0009] In a preferred embodiment, each of the multiple adjusting plates is provided with a limiting spring on both sides, and the other end of the limiting spring is provided on one side of the rectangular groove.

[0010] In a preferred embodiment, a drive motor is provided on one side of the support plate located on one side. One end of the take-up shaft passes through the support plate and is located on the output end of the drive motor. The other end of the take-up shaft is provided with a snap-fit ​​plate. One end of the positioning shaft is provided with a snap-fit ​​groove that is adapted to the snap-fit ​​plate. The snap-fit ​​plate is located in the snap-fit ​​groove and is slidably connected to the side wall of the snap-fit ​​groove.

[0011] In a preferred embodiment, multiple limiting grooves are provided on opposite sides of the two limiting rings, and limiting plates are provided in the multiple limiting grooves. One end of each of the multiple limiting plates is rotatably connected to a fixing bolt. One end of each of the multiple fixing bolts passes through the multiple limiting grooves and is fitted with a matching fixing nut. The multiple fixing nuts abut against one side of the two limiting rings respectively.

[0012] To facilitate the installation or disassembly of the cold-rolled coil, a second screw is rotatably connected to one side of the mounting groove, and a threaded groove adapted to the second screw is opened at one end of the mounting plate. One end of the second screw is located in the threaded groove and is threadedly connected to the side wall of the threaded groove.

[0013] In one preferred embodiment, a servo motor is provided at one end of the mounting slot, and the second screw is located at one end of the output end of the servo motor.

[0014] Compared with the prior art, the beneficial effects of this utility model are: This utility model, through multiple abutment grooves set on the outer side of a rectangular plate, and multiple abutment plates on one side of multiple adjustment plates, can drive the rectangular plate to move when the first screw is rotated, so that the multiple abutment plates are simultaneously subjected to force under the action of the abutment grooves, pushing the multiple abutment plates to disengage from the multiple abutment grooves, thereby driving the multiple adjustment plates to move outward, realizing flexible adjustment of the winding shaft size, enabling it to be precisely adapted to cold-rolled coils of different diameters, making the cold-rolled coil unwinding device more applicable; This invention utilizes a second screw installed within the mounting base, in conjunction with a mounting plate at one end of a positioning plate. The mounting plate has a matching threaded groove. Rotating the second screw moves the mounting plate and positioning plate, which in turn moves a support plate and positioning shaft on one side. This makes the installation and disassembly of cold-rolled coils extremely convenient, eliminating the need for complex procedures and greatly improving the ease of use of the cold-rolled coil unwinding device, thus providing strong support for efficient production. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the main appearance of the structure of this utility model; Figure 2 This is a schematic front cross-sectional view of the structure of this utility model; Figure 3 This is a schematic diagram showing the connection of the limiting ring, limiting plate, and fixing bolts in the structure of this utility model. Figure 4 for Figure 2 A magnified schematic diagram of the structure at point A in the middle.

[0016] In the diagram: 1. Mounting base; 2. Positioning plate; 3. Support plate; 4. Rewinding shaft; 5. Positioning shaft; 6. First screw; 7. Rectangular plate; 8. Mounting plate; 9. Caster wheel; 10. Drive shaft; 11. First bevel gear; 12. Second bevel gear; 13. Adjusting plate; 14. Abutment plate; 15. Limiting spring; 16. Drive motor; 17. Snap-fit ​​plate; 18. Limiting ring; 19. Limiting plate; 20. Fixing bolt; 21. Second screw; 22. Servo motor; 23. Fixing nut. Detailed Implementation

[0017] 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. Example

[0018] Please see Figure 1-4 This utility model provides a cold-rolled coil unwinding device, comprising: Mounting base 1 and positioning plate 2; Two support plates 3 are respectively set on the upper end of the mounting base 1 and the positioning plate 2. The support plate 3 on one side is provided with a winding shaft 4, and the support plate 3 on the other side is rotatably connected to the positioning shaft 5. Two limiting rings 18 are respectively set on the outside of the take-up shaft 4 and the positioning shaft 5. A rectangular groove is opened in the take-up shaft 4. A first screw 6 is rotatably connected in the rectangular groove. A matching rectangular plate 7 is provided in the rectangular groove. The mounting slot is provided at one end of the mounting base 1, and the positioning plate 2 is provided at one end with a mounting plate 8 that is compatible with the mounting slot. Both the mounting base 1 and the positioning plate 2 are provided with multiple casters 9 at their bottom ends.

[0019] Specifically, such as Figure 2 As shown, a rectangular plate 7 has a threaded hole that is adapted to the first screw 6. The first screw 6 passes through the threaded hole and is threaded to the side wall of the threaded hole. By rotating the first screw 6, the rectangular plate 7 can be moved in the rectangular groove. The rectangular plate 7 adapted to the rectangular groove can restrict its movement and prevent its position from deviating. A drive shaft 10 is rotatably connected to one end of the rectangular groove. One end of the drive shaft 10 extends to the outside, and the other end of the drive shaft 10 is provided with a first bevel gear 11. A second bevel gear 12 that meshes with the first bevel gear 11 is provided on the outside of the first screw 6. By rotating the drive shaft 10, the first screw 6 can be rotated through the first bevel gear 11 and the second bevel gear 12.

[0020] Specifically, such as Figure 2 As shown, multiple side walls of the rectangular groove are provided with mounting ports, and multiple mounting ports are provided with matching adjustment plates 13. Multiple arc-shaped abutment plates 14 are provided on one side of the multiple adjustment plates 13. Multiple abutment grooves that are adapted to the abutment plates 14 are opened on the outer side of the rectangular plate 7. The multiple abutment plates 14 are located in the multiple abutment grooves and are slidably connected to the side walls of the abutment grooves.

[0021] Through its design, when the rectangular plate 7 moves, it will drive multiple abutment grooves to move. The multiple abutment grooves will push multiple abutment plates 14 to move, so that the multiple abutment plates 14 will disengage from the multiple abutment grooves. This will allow the adjusting plate 13 to move outward synchronously, thereby adjusting the size of the winding shaft 4 so that it can be adapted to the roll diameter of cold-rolled coils of different sizes and specifications.

[0022] Specifically, such as Figure 2 and Figure 4 As shown, each of the multiple adjusting plates 13 is provided with a limiting spring 15 on both sides. The other end of the limiting spring 15 is provided on one side of the rectangular groove. When the rectangular plate 7 returns to its original position, the limiting spring 15 can drive the adjusting plate 13 to move into the rectangular groove.

[0023] Specifically, such as Figure 1 and Figure 2 As shown, a drive motor 16 is provided on one side of the support plate 3. The drive motor 16 is existing technology and will not be described in detail here. One end of the take-up shaft 4 passes through the support plate 3 and is set on the output end of the drive motor 16. The other end of the take-up shaft 4 is provided with a snap-fit ​​plate 17. One end of the positioning shaft 5 is provided with a snap-fit ​​groove that is adapted to the snap-fit ​​plate 17. The snap-fit ​​plate 17 is located in the snap-fit ​​groove and is slidably connected to the side wall of the snap-fit ​​groove. The snap-fit ​​plate 17 at one end of the take-up shaft 4, in conjunction with the snap-fit ​​groove at one end of the positioning shaft 5, can separate the take-up shaft 4 from the positioning shaft 5 without affecting the rotation of the positioning shaft 5 driven by the take-up shaft 4.

[0024] Specifically, such as Figure 2 , Figure 3 and Figure 4 As shown, multiple limiting grooves are provided on opposite sides of the two limiting rings 18, and each limiting groove is provided with a limiting plate 19. The limiting plates 19 in the multiple limiting grooves can adjust the size of the two limiting rings 18 so that they can adapt to cold-rolled coils of different thicknesses, ensuring the stability of the cold-rolled coil unwinding. Each of the multiple limiting plates 19 is rotatably connected to a fixing bolt 20 at one end. One end of each fixing bolt 20 passes through the multiple limiting grooves and is fitted with a matching fixing nut 23. The multiple fixing nuts 23 abut against one side of the two limiting rings 18. The multiple fixing bolts 20 and the multiple fixing nuts 23 can flexibly fix the limiting plates 19 in different positions, ensuring the firmness of the multiple limiting plates 19. Example

[0025] Please see Figure 1-4 This utility model provides a cold-rolled coil unwinding device, comprising: Mounting base 1 and positioning plate 2; Two support plates 3 are respectively set on the upper end of the mounting base 1 and the positioning plate 2. The support plate 3 on one side is provided with a winding shaft 4, and the support plate 3 on the other side is rotatably connected to the positioning shaft 5. Two limiting rings 18 are respectively set on the outside of the take-up shaft 4 and the positioning shaft 5. A rectangular groove is opened in the take-up shaft 4. A first screw 6 is rotatably connected in the rectangular groove. A matching rectangular plate 7 is provided in the rectangular groove. The mounting slot is provided at one end of the mounting base 1, and the positioning plate 2 is provided at one end with a mounting plate 8 that is compatible with the mounting slot. Both the mounting base 1 and the positioning plate 2 are provided with multiple casters 9 at their bottom ends.

[0026] Specifically, such as Figure 2 As shown, a second screw 21 is rotatably connected to one side of the mounting groove. One end of the mounting plate 8 is provided with a threaded groove that is compatible with the second screw 21. One end of the second screw 21 is located in the threaded groove and is threadedly connected to the side wall of the threaded groove.

[0027] Through its design, rotating the second screw 21 can drive the mounting plate 8 to move, the mounting plate 8 will drive the positioning plate 2 to move, and the positioning plate 2 will drive the support plate 3 and positioning shaft 5 on one side to move, thereby making it convenient to install or disassemble the cold-rolled coil, making the cold-rolled coil unwinding device more convenient to use.

[0028] Specifically, such as Figure 2 As shown, a servo motor 22 is provided at one end of the mounting slot. The servo motor 22 is existing technology and will not be described in detail here. One end of the second screw 21 is set on the output end of the servo motor 22.

[0029] See Figure 1-4 When using the cold-rolled coil unwinding device, the cold-rolled coil must first be loaded onto the outside of the take-up shaft 4. Then, the servo motor 22 is started. The output of the servo motor 22 drives the second screw 21 to rotate. The second screw 21 drives the mounting plate 8 and the positioning plate 2 to move, thereby driving the support plate 3 and the positioning shaft 5 on one side to move, so that the two limit rings 18 can respectively abut against both ends of the cold-rolled coil. When it is necessary to adapt to different cold-rolled coil rolls, the drive shaft 10 needs to be rotated. The drive shaft 10 drives the first screw 6 to rotate through the first bevel gear 11 and the second bevel gear 12. The first screw 6 drives the rectangular plate 7 to move to one side of the rectangular groove. 7 will drive multiple abutment grooves to move, and the multiple abutment grooves will push multiple abutment plates 14 to move, thereby driving multiple adjusting plates 13 to move outward and press against the inner wall of the cold-rolled coil drum, so that the winding shaft 4 can adapt to cold-rolled coils of different sizes and specifications. When it is necessary to limit the position of cold-rolled coils of different thicknesses, it is necessary to move the position of multiple limiting plates 19 on the two limiting rings 18 and fix their positions with fixing bolts 20 and fixing nuts 23, thereby limiting the position of cold-rolled coils of different thicknesses, ensuring the stability of cold-rolled coil unwinding, and making the cold-rolled coil unwinding device more practical.

[0030] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A cold-rolled coil unwinding device, characterized in that, include: Mounting base (1) and positioning plate (2); Two support plates (3) are respectively set on the upper end of the mounting base (1) and the positioning plate (2). The support plate (3) on one side is provided with a winding shaft (4), and the support plate (3) on the other side is rotatably connected with a positioning shaft (5). Two limiting rings (18) are respectively set on the outside of the winding shaft (4) and the positioning shaft (5). A rectangular groove is opened in the winding shaft (4). A first screw (6) is rotatably connected in the rectangular groove. A matching rectangular plate (7) is provided in the rectangular groove. The mounting slot is provided at one end of the mounting base (1), and the positioning plate (2) is provided at one end with a mounting plate (8) that is compatible with the mounting slot. Both the mounting base (1) and the positioning plate (2) are provided with multiple casters (9) at their bottom ends.

2. The cold-rolled coil unwinding device according to claim 1, characterized in that: The rectangular plate (7) is provided with a threaded hole that is adapted to the first screw (6). The first screw (6) passes through the threaded hole and is threaded to the side wall of the threaded hole. One end of the rectangular groove is rotatably connected to a drive shaft (10). One end of the drive shaft (10) extends to the outside. The other end of the drive shaft (10) is provided with a first bevel gear (11). The outside of the first screw (6) is provided with a second bevel gear (12) that meshes with the first bevel gear (11).

3. The cold-rolled coil unwinding device according to claim 1, characterized in that: The rectangular groove has multiple sidewalls through which mounting openings are provided, and multiple mounting openings are through which matching adjustment plates (13) are provided. Multiple arc-shaped abutment plates (14) are provided on one side of each of the multiple adjustment plates (13). Multiple abutment grooves that are compatible with the abutment plates (14) are opened on the outer side of the rectangular plate (7). The multiple abutment plates (14) are located in the multiple abutment grooves and are slidably connected to the sidewalls of the abutment grooves.

4. The cold-rolled coil unwinding device according to claim 3, characterized in that: Each of the multiple adjustment plates (13) is provided with a limiting spring (15) on both sides, and the other end of the limiting spring (15) is provided on one side of the rectangular groove.

5. The cold-rolled coil unwinding device according to claim 1, characterized in that: A drive motor (16) is provided on one side of the support plate (3). One end of the take-up shaft (4) passes through the support plate (3) and is set on the output end of the drive motor (16). The other end of the take-up shaft (4) is provided with a snap-fit ​​plate (17). One end of the positioning shaft (5) is provided with a snap-fit ​​groove that is adapted to the snap-fit ​​plate (17). The snap-fit ​​plate (17) is located in the snap-fit ​​groove and is slidably connected to the side wall of the snap-fit ​​groove.

6. The cold-rolled coil unwinding device according to claim 1, characterized in that: Multiple limiting grooves are provided on opposite sides of the two limiting rings (18), and each of the multiple limiting grooves is provided with a limiting plate (19). Each of the multiple limiting plates (19) is rotatably connected to a fixing bolt (20) at one end. Each of the multiple fixing bolts (20) passes through the multiple limiting grooves and is fitted with a matching fixing nut (23). Each of the multiple fixing nuts (23) abuts against one side of the two limiting rings (18).

7. The cold-rolled coil unwinding device according to claim 1, characterized in that: A second screw (21) is rotatably connected to one side of the mounting groove. One end of the mounting plate (8) is provided with a threaded groove that is compatible with the second screw (21). One end of the second screw (21) is located in the threaded groove and is threadedly connected to the side wall of the threaded groove.

8. The cold-rolled coil unwinding device according to claim 7, characterized in that: One end of the mounting slot is equipped with a servo motor (22), and one end of the second screw (21) is located on the output end of the servo motor (22).

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