A metal coil unwinding device

Abstract

The utility model provides a kind of metal coiled material uncoiling device, belong to mechanical technical field.It solves the problem that existing technology cannot be applied to different sizes of cylinder, coiled material exists the problem of danger of collapse.This metal coiled material uncoiling device, including rack, support plate, tensioning component and pressing assembly, characterized in that, the tensioning component is transversely arranged and one end of tensioning component is rotatably connected to rack, the support plate is detachably connected to rack and the other end of tensioning component is rotatably connected to support plate, the pressing assembly is slidably connected to rack and pressing assembly is located directly above tensioning component, the tensioning component includes central shaft and movable assembly, the central shaft is rectangular rod shape.It is characterized by high flexibility, suitable for fixing different sizes of cylinder, with anti-collapse function, more safe and reliable.

Description

Technical Field

[0001] This utility model belongs to the field of mechanical technology and relates to a metal coil uncoiling device. Background Technology

[0002] Currently, metal coils are widely used in various fields of industrial production. Metal coil uncoiling devices are an indispensable part of production, and their main function is to unwind coiled metal strips to facilitate subsequent processes.

[0003] Metal coils are typically stored wound on cylinders before use. Existing unwinding devices use tensioning components with fixed dimensions to position the cylinders, making them suitable only for cylinders of one size and unable to accommodate cylinders of different sizes. Furthermore, due to the inherent toughness of metal coils, there is a possibility of them breaking apart during the unwinding process. Existing unwinding devices lack anti-breakage functionality, posing a safety hazard. Utility Model Content

[0004] The purpose of this invention is to address the aforementioned problems in the existing technology by providing a highly flexible, safe, and reliable metal coil unwinding device.

[0005] The objective of this utility model can be achieved through the following technical solutions: A metal coil uncoiling device includes a frame, a support plate, a tensioning assembly, and a pressing assembly. The tensioning assembly is horizontally arranged with one end rotatably connected to the frame. The support plate is detachably connected to the frame, and the other end of the tensioning assembly is rotatably connected to the support plate. The pressing assembly is slidably connected to the frame and located directly above the tensioning assembly. The tensioning assembly includes a central shaft and four movable components. The central shaft is rectangular, and the four movable components are arranged circumferentially along the central shaft. Both ends of the central shaft are cylindrical and connected to the frame and support plate respectively via bearings.

[0006] This metal coil uncoiling device uses a frame to support the entire system, ensuring operational stability. A support plate and frame jointly support the central shaft, ensuring balanced force distribution and preventing damage from uneven stress, thus extending its service life. The support plate is removable, facilitating the loading of the metal coil. A tensioning assembly is used to fix the cylinder with the wound metal coil. External force drives the tensioning assembly to rotate, allowing the metal coil to unwind and be conveyed to subsequent processes. Four movable components adjust the overall diameter of the tensioning assembly, making it suitable for fixing cylinders of different sizes, offering high flexibility and wide applicability. A pressing assembly compresses the outer circumference of the metal coil, ensuring stability during the uncoiling process, preventing the metal coil from breaking apart, and enhancing safety and reliability.

[0007] In the aforementioned metal coil uncoiling device, the frame includes a support base, a top plate, and a bottom plate. The support base is arranged longitudinally, and the top plate and bottom plate are respectively fixed to the upper and lower ends on the same side of the support base. The support plate is detachably connected to the end of the bottom plate away from the support base.

[0008] The support base is the core load-bearing component of the entire device. The base plate is used to increase the contact area between the entire device and the ground, and the auxiliary support base bears part of the weight to ensure the overall stability of the device. The top plate is used to support the pressing assembly, so that the pressing assembly can be located above the tensioning assembly and effectively apply pressure to the roll material during the unwinding process.

[0009] In the aforementioned metal coil uncoiling device, the pressing assembly includes a pressure roller, a connecting seat, a connecting rod, a spring, and a limiting block. The connecting seat is inverted U-shaped, and the pressure roller is rotatably connected to the U-shaped recess of the connecting seat and can rotate circumferentially. The lower end of the connecting rod is fixedly connected to the middle of the upper surface of the connecting seat, and the upper part of the connecting rod penetrates the top plate and is fixedly connected to the limiting block. The spring is sleeved on the connecting rod, and both ends of the spring are fixedly connected to the lower surface of the top plate and the upper surface of the connecting seat, respectively. Under the action of the spring force, the limiting block has a tendency to press downward against the top plate.

[0010] The pressure roller is used to press against the surface of the roll material. During the unwinding process, the pressure roller can roll along the surface of the roll material, applying stable and uniform pressure to prevent the roll material from bursting. The setting of the connecting rod and spring allows the position of the pressure roller to be flexibly adjusted. In the initial state, the pressure roller is in the lowest position. After roll materials of different thicknesses are installed at the tensioning assembly and tensioned, they can push the pressure roller upward, and the spring is in a compressed state. As the unwinding process proceeds, the thickness of the roll material gradually decreases, and the pressure roller can move downward under the elastic force of the spring, thereby ensuring that the pressure roller always maintains a suitable contact pressure with the roll material. The setting of the limiting block plays a role in limiting the vertical movement range of the pressure roller. The lowest position that the pressure roller can move is when the limiting block presses against the top plate, and the highest position that the pressure roller can move is when the spring is compressed to the limit state, that is, when the connecting seat is closest to the top plate.

[0011] The aforementioned metal coil uncoiling device also includes guide rods. There are two guide rods, which are symmetrically arranged on both sides of the connecting rod. The lower end of the guide rod is fixedly connected to the connecting seat, and the upper part of the guide rod penetrates the top plate and is fixedly connected to the limiting block.

[0012] The two guide rods ensure that the pressure roller always moves vertically up and down with its axis parallel to the axis of the tensioning assembly, preventing skewing or shaking and improving motion accuracy. At the same time, the guide rods are connected to the limit blocks to ensure that the guide rods do not detach from the top plate, making the pressing assembly more stable and reliable.

[0013] In the aforementioned metal coil uncoiling device, the movable component includes a movable plate and a cylinder. The movable plate is an arc-shaped elongated plate and is arranged parallel to the central shaft. The cylinder is vertically fixed to the outside of the central shaft, and the inside of the movable plate is fixed to the end of the piston rod of the cylinder.

[0014] The curved, elongated movable plate adapts to the inner diameter of the cylinder with the wound metal coil, making the tensioning assembly more stable in fixing the cylinder. The cylinder drives the movable plate to extend and retract relative to the central shaft. Before use, the cylinder is in the retracted state, and the entire tensioning assembly is in the retracted state with the smallest diameter, making it easy to put the cylinder with the wound metal coil onto the tensioning assembly. Then, the cylinder is activated to drive the movable plate to extend outward, and the entire tensioning assembly gradually unfolds, with the diameter gradually increasing until the movable plate is tightly pressed against the inner side of the cylinder, thereby stabilizing and fixing the cylinder. Furthermore, this structure allows the diameter of the tensioning assembly to be flexibly adjusted to accommodate cylinders of different sizes, making the device highly flexible and widely applicable.

[0015] In the aforementioned metal coil uncoiling device, there are several cylinders arranged along the length of the movable plate.

[0016] The combined action of several cylinders ensures that the movable plate remains parallel to the central axis during telescopic movement, improving motion accuracy and thus guaranteeing the precise positioning of the metal coil.

[0017] In the aforementioned metal coil uncoiling device, the side of the support base has a through connection hole one, and the side of the support plate has a through connection hole two. The first connection hole and the second connection hole are arranged coaxially, and the two ends of the aforementioned central shaft are respectively connected to the first connection hole and the second connection hole through bearings.

[0018] The connection holes 1 and 2 are used to connect the two ends of the central shaft to the support base and support plate. Under the action of the bearing, the central shaft can rotate smoothly, while reducing wear on the central shaft and extending its service life. The connection holes 1 and 2 are set on the same axis, which is kept horizontal, so that the rotation axis of the central shaft coincides with the axis, ensuring the accuracy of the unwinding process.

[0019] In the aforementioned metal coil unwinding device, the top plate has a through connection hole three, and the aforementioned connecting rod is slidably connected at the connection hole three.

[0020] The third connecting hole allows the connecting rod to slide up and down relative to the top plate. At the same time, the third connecting hole also guides the up and down sliding of the connecting rod, ensuring that the connecting rod moves in a vertical direction.

[0021] In the aforementioned metal coil uncoiling device, the top plate has two through guide holes, which are symmetrically arranged on both sides of the connecting hole. The two guide rods are slidably connected to the two guide holes respectively.

[0022] The guide hole allows the guide rod to slide up and down relative to the top plate while ensuring that the guide rod always moves in a vertical direction.

[0023] In the aforementioned metal coil uncoiling device, the support plate and the base plate are connected by fasteners.

[0024] This structure facilitates the installation and removal of the support plate, and makes it easy to install the metal coil onto the tensioning assembly after the support plate is removed.

[0025] Compared with existing technologies, this metal coil uncoiling device is highly flexible. The adjustable tensioning assembly adapts to metal coil cylinders of different sizes, and the cylinder-driven movable plate extends and retracts to effectively fix cylinders of different diameters, making it widely applicable. The pressure assembly adapts to variations in metal coil thickness, ensuring the pressure roller remains pressed against the coil surface during uncoiling and applies appropriate pressure, preventing sudden unraveling and enhancing safety and reliability. The support plate improves the stability of the tensioning assembly, reduces damage to the central shaft due to uneven stress, extends its service life, and is detachable, facilitating the installation of the metal coil onto the tensioning assembly. Attached Figure Description

[0026] Figure 1 This is a schematic diagram of the structure of the metal coil uncoiling device; Figure 2 This is a schematic diagram of the tensioning component in the unfolded state of the metal coil unwinding device; Figure 3 This is a schematic diagram of the tensioning component in the contracted state of the metal coil unwinding device.

[0027] In the diagram, 1. Base plate; 2. Support plate; 3. Connecting hole 2; 4. Central shaft; 5. Pressure roller; 6. Connecting seat; 7. Spring; 8. Guide hole; 9. Connecting hole 3; 10. Connecting rod; 11. Limiting block; 12. Guide rod; 13. Top plate; 14. Movable plate; 15. Connecting hole 1; 16. Cylinder; 17. Support seat. Detailed Implementation

[0028] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all of them. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0029] It should be noted that when a component is said to be "mounted on" another component, it can be directly mounted on the other component or may be interspersed with a component. When a component is said to be "set on" another component, it can be directly set on the other component or may be interspersed with a component. When a component is said to be "fixed to" another component, it can be directly fixed to the other component or may be interspersed with a component.

[0030] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention pertains. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "or / and" as used herein includes any and all combinations of one or more of the associated listed items.

[0031] like Figure 1-3 As shown, this metal coil uncoiling device includes a frame, a support plate 2, a tensioning assembly, and a pressing assembly. The tensioning assembly is arranged horizontally, and one end of the tensioning assembly is rotatably connected to the frame. The support plate 2 is detachably connected to the frame, and the other end of the tensioning assembly is rotatably connected to the support plate 2. The pressing assembly is slidably connected to the frame and is located directly above the tensioning assembly. The tensioning assembly includes a central shaft 4 and movable components. The central shaft 4 is rectangular. There are four movable components arranged circumferentially along the central shaft 4. Both ends of the central shaft 4 are cylindrical, and both ends of the central shaft 4 are connected to the frame and the support plate 2 respectively through bearings.

[0032] The frame includes a support base 17, a top plate 13, and a bottom plate 1. The support base 17 is arranged longitudinally. The top plate 13 and the bottom plate 1 are respectively fixed to the upper and lower ends of the same side of the support base 17. The support plate 2 is detachably connected to the end of the bottom plate 1 away from the support base 17.

[0033] The pressing assembly includes a pressure roller 5, a connecting seat 6, a connecting rod 10, a spring 7, and a limiting block 11. The connecting seat 6 is inverted U-shaped. The pressure roller 5 is rotatably connected to the U-shaped recess of the connecting seat 6 and can rotate circumferentially. The lower end of the connecting rod 10 is fixed to the middle of the upper surface of the connecting seat 6. The upper part of the connecting rod 10 passes through the top plate 13 and the upper end of the connecting rod 10 is fixed to the limiting block 11. The spring 7 is sleeved on the connecting rod 10 and its two ends are fixed to the lower surface of the top plate 13 and the upper surface of the connecting seat 6, respectively. Under the action of the elastic force of the spring 7, the limiting block 11 tends to press downward against the top plate 13.

[0034] It also includes guide rods 12, of which there are two. The two guide rods 12 are symmetrically arranged on both sides of the connecting rod 10. The lower end of the guide rod 12 is fixedly connected to the connecting seat 6, and the upper part of the guide rod 12 penetrates the top plate 13 and the upper end of the guide rod 12 is fixedly connected to the limiting block 11.

[0035] The movable component includes a movable plate 14 and a cylinder 16. The movable plate 14 is an arc-shaped long plate and is arranged parallel to the central shaft 4. The cylinder 16 is vertically fixed to the outside of the central shaft 4 and the inside of the movable plate 14 is fixed to the piston rod end of the cylinder 16.

[0036] The number of cylinders 16 is several, and the several cylinders 16 are arranged along the length of the movable plate 14.

[0037] The support base 17 has a through connection hole 15 on its side, and the support plate 2 has a through connection hole 3 on its side. The connection hole 15 and the connection hole 3 are arranged on the same axis. The two ends of the central shaft 4 are connected to the connection hole 15 and the connection hole 3 respectively by bearings.

[0038] The top plate 13 has a through connection hole 3 9, and the connecting rod 10 is slidably connected at the connection hole 3 9.

[0039] The top plate 13 has two through guide holes 8. The two guide holes 8 are symmetrically arranged on both sides of the connecting hole 3 9. The two guide rods 12 are slidably connected to the two guide holes 8 respectively.

[0040] The support plate 2 and the base plate 1 are connected by fasteners.

[0041] When using this metal coil uncoiling device, first remove the support plate 2, and adjust the tensioning assembly to the contracted state by retracting the cylinder 16. At this time, the diameter of the tensioning assembly is smaller than the inner diameter of most cylinders. Then, the cylinder with the metal coil wound on it is placed on the tensioning assembly, and the support plate 2 is connected to the base plate 1 and the central shaft 4. The cylinder 16 drives the movable plates 14 to extend until all four movable plates 14 simultaneously abut against the inner side of the cylinder and are tensioned, so that the cylinder is fixedly connected to the tensioning assembly. During this process, the surface of the coil can contact the pressure roller 5 and push the pressure roller 5 to move upward. The spring 7 is compressed and contracts. Then, under the action of external force, the central shaft 4 is driven to rotate, so that the metal coil is uncoiled and conveyed to the next process. During the uncoiling process, the thickness of the coil changes. Under the action of the spring 7, the pressure roller 5 can always maintain contact with the surface of the coil and apply appropriate pressure to the surface of the coil, thereby preventing the metal coil from breaking during the uncoiling process and ensuring the stability and safety of uncoiling.

[0042] The technical features of the above-described embodiments can be combined in any way. For the sake of brevity, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0043] Those skilled in the art should recognize that the above embodiments are only used to illustrate the present utility model and are not intended to limit the present utility model. Any appropriate changes and variations made to the above embodiments within the scope of the essential spirit of the present utility model shall fall within the scope of protection claimed by the present utility model.

Claims

1. A metal coil uncoiling device, comprising a frame, a support plate, a tensioning assembly, and a pressing assembly, characterized in that, The tensioning component is arranged horizontally, and one end of the tensioning component is rotatably connected to the frame. The support plate is detachably connected to the frame, and the other end of the tensioning component is rotatably connected to the support plate. The pressing component is slidably connected to the frame and is located directly above the tensioning component. The tensioning component includes a central shaft and movable components. The central shaft is rectangular. There are four movable components, which are arranged circumferentially along the central shaft. Both ends of the central shaft are cylindrical, and both ends of the central shaft are connected to the frame and the support plate respectively through bearings.

2. The metal coil uncoiling device according to claim 1, characterized in that, The frame includes a support base, a top plate, and a bottom plate. The support base is arranged longitudinally, and the top plate and bottom plate are respectively fixed to the upper and lower ends of the same side of the support base. The support plate is detachably connected to the end of the bottom plate away from the support base.

3. The metal coil uncoiling device according to claim 2, characterized in that, The pressing assembly includes a pressure roller, a connecting seat, a connecting rod, a spring, and a limiting block. The connecting seat is inverted U-shaped. The pressure roller is rotatably connected to the U-shaped recess of the connecting seat and can rotate circumferentially. The lower end of the connecting rod is fixed to the middle of the upper surface of the connecting seat. The upper part of the connecting rod penetrates the top plate and the upper end of the connecting rod is fixed to the limiting block. The spring is sleeved on the connecting rod and its two ends are fixed to the lower surface of the top plate and the upper surface of the connecting seat, respectively. Under the action of the spring force, the limiting block tends to press against the top plate downward.

4. The metal coil uncoiling device according to claim 3, characterized in that, It also includes guide rods, of which there are two. The two guide rods are symmetrically arranged on both sides of the connecting rod. The lower end of the guide rod is fixed to the connecting seat, and the upper part of the guide rod penetrates the top plate and is fixed to the limiting block.

5. The metal coil uncoiling device according to claim 4, characterized in that, The movable component includes a movable plate and a cylinder. The movable plate is an arc-shaped elongated plate and is arranged parallel to the central shaft. The cylinder is vertically fixed to the outside of the central shaft, and the inside of the movable plate is fixed to the end of the piston rod of the cylinder.

6. The metal coil uncoiling device according to claim 5, characterized in that, The number of cylinders mentioned above is several, and these cylinders are arranged along the length of the movable plate.

7. The metal coil uncoiling device according to claim 6, characterized in that, The support base has a through connection hole one on its side, and the support plate has a through connection hole two on its side. The connection hole one and the connection hole two are arranged on the same axis. The two ends of the central shaft are respectively connected to the connection hole one and the connection hole two by bearings.

8. The metal coil uncoiling device according to claim 7, characterized in that, The top plate has a through connection hole three, and the aforementioned connecting rod is slidably connected at the connection hole three.

9. The metal coil uncoiling device according to claim 8, characterized in that, The top plate has two through guide holes, which are symmetrically arranged on both sides of the connecting hole. The two guide rods are slidably connected to the two guide holes respectively.

10. The metal coil uncoiling device according to claim 9, characterized in that, The support plate and the base plate are connected by fasteners.

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