A steel coil core anti-loosening buckle

Abstract

The present invention provides a steel coil core anti-loosening buckle, which relates to the technical field of inner coil clamping tools. It includes a clamping body, which is a long strip-shaped steel plate and is bent into a bent part in a "U" shape along the direction perpendicular to its length. A deformation slit is opened in the middle to facilitate the deformation of the clamping body. This device has the advantage of conveniently clamping a steel coil with a loose core to reduce the influence of the reduction of the inner diameter of the core on the subsequent processing of the steel coil.

Description

Technical Field

[0001] The present invention relates to the technical field of involute clamping tools, and particularly relates to an anti-loosening buckle for a steel coil core. Background Art

[0002] The raw material of a continuous hot-dip galvanizing / continuous annealing production line is a cold-rolled steel coil. With the development of steel technology, the thickness specification of cold-rolled strip steel is getting thinner and thinner, and the thinnest can reach 0.1 mm. In the processes of coil unloading, lifting, and transportation of thin-specification products, the core of the steel coil will become loose. If the final inner diameter is smaller than the minimum shrinkage diameter of the mandrel of the pay-off reel at the inlet of the hot-dip galvanizing / continuous annealing unit, during the coil loading process, the mandrel of the pay-off reel will contact the coil core, resulting in the core-pulling problem. Seriously, it is necessary to unload the material, and even cause the unit to stop the line, affecting the stable operation of the unit and the quality of the product. Summary of the Invention

[0003] In view of the deficiencies in the prior art, the present solution provides an anti-loosening buckle for a steel coil core, which solves the problem that the coil core of a loose steel coil affects coil loading.

[0004] According to an embodiment of the present invention, an anti-loosening buckle for a steel coil core includes a clamping body. The clamping body is a strip-shaped steel plate, which is bent into a bent portion in a "U" shape along the direction perpendicular to its length, and a deformation slit is opened in the middle thereof to facilitate the deformation of the clamping body.

[0005] Through the above technical solution, when loading a steel coil, if its coil core becomes loose, multiple buckles can be inserted and clamped on the innermost 2-3 layers of the steel coil to reinforce the inner layer of the steel coil, reducing the possibility that the coil core of the steel coil becomes loose during the coil loading process, resulting in the reduction of its inner diameter, and making it more convenient for the steel coil in subsequent processing; after clamping the opening on the steel coil, the deformation slit can be used to make the buckle deform along the deformation slit, so that the buckle can be more firmly clamped on the steel coil, enhancing the reliability of the buckle.

[0006] Preferably, both ends of the clamping body are provided with transition surfaces for facilitating insertion into the steel coil sandwich, and the transition surfaces are inclined surfaces or arc surfaces.

[0007] Through the above technical solution, when clamping the clamping body on the steel coil, the transition surfaces provided at its ends can be more convenient for inserting into the sandwich of the steel coil.

[0008] Preferably, one end of the clamping body is longer than the other end to form an insertion end, and a transition surface is further provided at the end of the insertion end away from the bent portion.

[0009] With the above technical solution, when one side of the clamping body is inserted into the interlayer of the steel coil, the longer insertion end can be inserted into the interlayer of the steel coil first. Compared with the clamping body with the same length at both ends, the clamping body with the insertion end is more convenient and labor-saving in the process of inserting and clamping it on the steel coil.

[0010] Preferably, the clamping body is made of spring steel.

[0011] With the above technical solution, spring steel has a greater elastic force. The clamping body made of spring steel has a greater elastic force and a greater clamping force on the core of the steel coil, and can clamp the core of the steel coil more tightly, further reducing the possibility of the core becoming loose.

[0012] Preferably, the bent portion is thickened and fixed to form a protective layer for preventing the bent portion from breaking.

[0013] With the above technical solution, the protective layer can increase the stiffness of the bent portion and reduce the possibility of the bent portion breaking.

[0014] Compared with the prior art, the present invention has at least one of the following beneficial effects:

[0015] 1. When winding a steel coil with a loose core, inserting and clamping multiple buckles on the inner 2-3 layers of the steel coil can reduce the possibility that the core of the steel coil becomes loose and the inner diameter of the core of the steel coil decreases, reducing the impact on the subsequent processing of the steel coil. The deformation joints provided on the buckles can cause the buckles to deform during the process of clamping the steel coil, so that the buckles can be more firmly clamped on the core of the steel coil, improving the reliability of the buckles;

[0016] 2. By using the insertion end with a length difference and the structure with transition surfaces provided at both ends of the buckle, the buckle can be more conveniently inserted and clamped on the core of the steel coil. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 is a schematic diagram of the overall structure of an embodiment of the present application;

[0018] Figure 2 is Figure 1 a schematic diagram of the structure from another perspective in

[0019] In the above drawings: 1. Clamping body; 11. Bent portion; 12. Insertion end; 121. Transition surface; 2. Deformation joint;

[0020] 3. Protective layer. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0021] The technical solutions in the present invention will be further described below with reference to the drawings and embodiments.

[0022] A steel coil core anti-loosening buckle, referring to Figure 1-2 , including a clamping body 1. The clamping body 1 is a long strip-shaped steel plate. The clamping body 1 can be made of steel such as spring steel or EXT800. Here, the clamping body 1 is made of spring steel.

[0023] At the middle part of the clamping body 1, a bending part 11 is made by bending it in a "U" shape along the direction perpendicular to its length. When winding a steel coil with a loose core, multiple buckles are inserted and clamped and fixed on the inner 2 - 3 layers of the steel coil. Here, two buckles are used to clamp and fix the core of the steel coil. One is clamped and fixed at a position 50 cm from the end of the steel coil core, and the other is clamped and fixed on the opposite side of this buckle, reducing the possibility that the end of the core slips out of the buckle and causing the failure of the buckle function, and enhancing the reliability of the device; the "U" - shaped bending can make the bending part 11 have an arc surface, reducing the possibility of stress concentration at the bending part 11 and the possibility of fracture at the bending part 11.

[0024] At the middle position of the bending part 11, a deformation seam 2 is opened along the length direction of the clamping body 1. When the buckle is inserted and clamped on the steel coil, the clamping body 1 can deform along the length direction of the deformation seam 2, making the contact surface between the clamping surface of the clamping body 1 and the steel coil larger, so that the buckle can be clamped on the steel coil more firmly, enhancing the reliability of the buckle.

[0025] At one end of the clamping body 1, an insertion end 12 is arranged along its length direction, making the two ends of the clamping body 1 have a length difference; when making the clamping body 1, it can be bent at one - third of the length of the steel plate to make a buckle with an insertion end 12. Transition surfaces 121 are arranged at both ends of the clamping body 1. The transition surfaces 121 can be made into inclined surfaces or arc surfaces. When clamping the buckle on the core of the steel coil, the clamping body 1 with an insertion end 12 can be inserted onto the core of the steel coil more conveniently. Arranging the transition surfaces 121 at the end of the clamping body 1 and the insertion end 12 can further facilitate inserting and clamping the buckle on the core of the steel coil.

[0026] To prevent the possibility of fracture at the bending part 11 due to excessive stress, a protective layer 3 is thickened and fixed at the bending part 11. The protective layer 3 can be welded and fixed to the bending part 11 with a steel plate.

[0027] The implementation principle of a steel coil core anti-loosening buckle in this application is as follows: When loading a steel coil with a loose core, two such buckles are clamped and fixed at the 2-3 layers of the core of the steel coil. The two buckles are respectively arranged on both sides of the core, and are located at a position 50 cm away from the end of the core. By applying a force to the buckle by the steel coil, the clamping body 1 of the buckle deforms along the length direction of the deformation seam 2, so that the clamping body 1 tightly fits on the steel coil, and the 2-3 layers clamped are tightened by the self-elasticity of the clamping body 1, reducing the possibility that the inner diameter of the steel coil core becomes smaller due to loosening, making it more convenient for subsequent processing of the steel coil.

[0028] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention and not to limit them. Although the present invention has been described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that the technical solutions of the present invention can be modified or equivalently replaced without departing from the purpose and scope of the technical solutions of the present invention, and they should all be covered by the scope of the claims of the present invention.

Claims

1. A steel coil core anti-loosening buckle, characterized in that: It includes a clamping body (1). The clamping body (1) is a long strip-shaped steel plate, which is bent into a bent portion (11) in a "U" shape along the direction perpendicular to its length, and a deformation seam (2) for facilitating the deformation of the clamping body (1) is provided in the middle thereof; Both ends of the clamping body (1) are provided with transition surfaces (121) for facilitating insertion into the interlayer of the steel coil. The transition surfaces (121) are inclined surfaces or arc surfaces; The length of one end of the clamping body (1) is greater than that of the other end to form an insertion end (12), and a transition surface (121) is further provided at the end of the insertion end (12) away from the bent portion (11); The clamping body (1) is made of spring steel; The bent portion (11) is thickened and fixed to form a protective layer (3) for preventing the bent portion (11) from breaking.

Images