Scratch-proof device for feeding pipe of rolling mill

By designing the lining and protective film in the mill feed tube, setting notches and bumps on the inner side wall of the feed tube, and achieving height adjustment through lift seats and fixing bolts, the problems of conventional feed tubes being susceptible to scratches and height fixation are solved, achieving longer service life and higher product quality, as well as flexible height adjustment.

CN223011495UActive Publication Date: 2025-06-24JIANGSU LONGYANG METAL TECH CO LTD
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Patent Information

Application Number
CN202422108072.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-29
Publication Date
2025-06-24
Estimated Expiration
2034-08-29

AI Technical Summary

Technical Problem

During the transportation of metal materials, traditional rolling mill feed pipes are susceptible to scratches from the edges or uneven surfaces of the material, which affects the service life and product quality. At the same time, the height of the feed pipe is fixed and cannot be adjusted.

Method used

A rolling mill feed pipe anti-scratch device including a lining and a protective film is designed. The inner lining consists of a rubber layer, an elastic layer, an wear-resistant layer and a protective film. It is connected by a mucus to increase the wear resistance and smoothness of the inner lining, and a notch and bump are provided on the inner side wall of the feed tube for maintenance. At the same time, the height adjustment of the feed pipe is achieved through the design of the lift seat and the fixing bolt.

Benefits of technology

It effectively reduces scratches on the inner wall of the feed pipe, extends service life, improves product quality, and realizes flexible adjustment of the feed pipe height to meet different process needs.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223011495U_ABST
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Abstract

The utility model relates to the technical field of scratch prevention, and discloses a scratch-proof device for feeding pipes of a rolling mill, which comprises two feeding pipes, two linings and a bottom plate, the inner layer material of the lining is a rubber layer, an elastic layer is arranged on the outer layer of the rubber layer, elastic foam particles are arranged in the elastic layer, a wear-resistant layer is arranged on the outer layer of the elastic layer, and a protective film is arranged on the outer layer of the wear-resistant layer; the lining is in direct contact with a material, scratches to the inner wall of the feeding pipe are reduced, the protective film is made of a polyethylene film, smoothness of the surface of the lining can be improved, friction is reduced, the abrasion-resistant layer is made of a polytetrafluoroethylene material, abrasion resistance of the surface of the lining can be improved, elastic foam particles are arranged in the elastic layer, elasticity of the lining is improved, and the service life of the lining is prolonged. According to the feeding pipe, the protruding blocks are arranged, the buffering capacity is achieved on metal materials, the lining can be conveniently maintained and replaced only by pulling the protruding blocks out of the notches, the service life of the feeding pipe is not affected, damage to the metal materials is prevented, and the product quality is not affected.
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Description

Technical Field

[0001] The utility model relates to the technical field of scratch prevention, in particular to a scratch prevention device for a rolling mill feed pipe. Background Art

[0002] In the process of metal processing, a rolling mill is one of the commonly used devices for pressing and forming metal materials. As a component of the rolling mill, the feed pipe is responsible for accurately guiding the metal material to the rolling area.

[0003] During the transportation of metal materials by the traditional rolling mill feed pipe, since there is no protective structure inside, the inner wall of the feed pipe will be scratched if the material has edges or an uneven surface. This not only affects the service life of the feed pipe, but also causes damage to the metal material, affecting the product quality. Moreover, the height of the existing feed pipe is fixed and cannot be adjusted to different heights, so it is greatly limited. Summary of the Utility Model

[0004] In view of the deficiencies of the prior art, the utility model provides a scratch prevention device for a rolling mill feed pipe, which has the advantages of inner wall protection and solves the problems raised in the background art.

[0005] To achieve the above purpose of inner wall protection, the utility model provides the following technical scheme: A scratch prevention device for a rolling mill feed pipe, comprising two feed pipes, two inner linings and a bottom plate. The feed pipes are made of aluminum alloy material;

[0006] The inner layer material of the inner lining is a rubber layer. An elastic layer is arranged outside the rubber layer. Elastic foam particles are arranged inside the elastic layer. A wear-resistant layer is arranged outside the elastic layer. A protective film is arranged outside the wear-resistant layer. The protective film, the wear-resistant layer, the elastic layer and the rubber layer are sequentially connected by mucus.

[0007] As a further scheme of the utility model: The wear-resistant layer is made of polytetrafluoroethylene material, which can improve the wear resistance of the inner lining surface.

[0008] As a further scheme of the utility model: The protective film is made of polyethylene film, which can improve the smoothness of the inner lining surface and reduce friction.

[0009] As a further scheme of the utility model: A plurality of notches are arranged on the inner side walls of the feed pipes, and a plurality of protrusions are arranged on the outer side walls of the inner linings. The notches and the protrusions are arranged at corresponding positions. Just pull the protrusions out of the notches to facilitate the maintenance and replacement of the inner lining.

[0010] As a further solution of the utility model: Magic tapes are arranged on the outer side of the inner side wall of the feed pipe and the outer side of the inner side wall of the inner lining. The magic tapes can improve the firmness of the connection part and prevent the inner lining from falling off during the transportation of metal materials.

[0011] As a further solution of the utility model: Two connecting columns are installed in the middle of both side walls of the feed pipe. Lifting seats are installed in the middle of the upper end of the bottom plate. Lifting plates are slidably installed on the upper ends of the lifting seats. Fixing bolts are arranged on the upper part of the outer side wall of the lifting seats, and the fixing bolts are all in threaded connection with the lifting seats. By adjusting the distance between the lifting plate and the lifting seat and then tightening the fixing bolts, operations at different heights can be realized without being limited.

[0012] As a further solution of the utility model: Two mounting plates are installed at both the upper and lower ends of the feed pipe, and the locking bolts are tightened to fix the two feed pipes.

[0013] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0014] 1. In the utility model, the inner lining is in direct contact with the material, reducing scratches on the inner wall of the feed pipe. The protective film is made of polyethylene film, which can improve the smoothness of the inner lining surface and reduce friction. The wear-resistant layer is made of polytetrafluoroethylene material, which can improve the wear-resistant ability of the inner lining surface. Elastic foam particles are arranged inside the elastic layer, improving the elasticity of the inner lining and playing a buffering role for metal materials. Only by pulling the convex block out of the concave opening, it is convenient to maintain and replace the inner lining, without affecting the service life of the feed pipe, preventing damage to metal materials and not affecting the product quality.

[0015] 2. In the utility model, by adjusting the distance between the lifting plate and the lifting seat and then tightening the fixing bolts, operations at different heights can be realized without being limited. Brief Description of the Drawings

[0016] Figure 1 is the structural schematic diagram of the utility model;

[0017] Figure 2 is the external appearance schematic diagram of the inner lining in the utility model;

[0018] Figure 3 is the structural schematic diagram of the feed pipe in the utility model;

[0019] Figure 4 is the material structural schematic diagram of the inner lining in the utility model;

[0020] Figure 5 is in the utility model Figure 3 is the enlarged schematic diagram of A in the figure.

[0021] In the figure: 1, feed pipe; 2, connecting column; 3, mounting plate; 4, inner lining; 5, protective film; 6, wear-resistant layer; 7, elastic layer; 8, rubber layer; 9, notch; 10, magic tape; 11, bump; 12, lifting plate; 13, lifting seat; 14, fixing bolt; 15, bottom plate. Detailed implementation manner

[0022] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of the present invention.

[0023] Please refer to Figures 1 to 5 , in the embodiment of the present invention, an anti-scratching device for a rolling mill feed pipe includes two feed pipes 1, two inner linings 4 and a bottom plate 15. The feed pipe 1 is made of aluminum alloy material;

[0024] The inner layer material of the inner lining 4 is a rubber layer 8. An elastic layer 7 is arranged outside the rubber layer 8. Elastic foam particles are arranged inside the elastic layer 7. A wear-resistant layer 6 is arranged outside the elastic layer 7. A protective film 5 is arranged outside the wear-resistant layer 6. The protective film 5, the wear-resistant layer 6, the elastic layer 7 and the rubber layer 8 are sequentially connected by mucus.

[0025] Among them, the wear-resistant layer 6 is made of polytetrafluoroethylene material, which can improve the wear resistance of the surface of the inner lining 4; the protective film 5 is made of polyethylene film, which can improve the smoothness of the surface of the inner lining 4 and reduce friction; a plurality of notches 9 are arranged on the inner side walls of the feed pipes 1, and a plurality of bumps 11 are arranged on the outer side walls of the inner linings 4. The notches 9 and the bumps 11 are arranged at corresponding positions. Only by pulling the bumps 11 out of the notches 9 can it be convenient to maintain and replace the inner lining 4; magic tapes 10 are arranged outside the inner side walls of the feed pipes 1 and outside the inner side walls of the inner linings 4. The magic tapes 10 can improve the firmness of the connection and prevent the inner lining 4 from falling off during the transportation of metal materials; two connecting columns 2 are installed in the middle of the two side walls of the feed pipe 1, lifting seats 13 are installed in the middle of the upper end of the bottom plate 15, lifting plates 12 are slidably installed on the upper ends of the lifting seats 13, fixing bolts 14 are arranged on the upper parts of the outer side walls of the lifting seats 13, and the fixing bolts 14 are threadedly connected to the lifting seats 13. By adjusting the distance between the lifting plate 12 and the lifting seat 13 and then tightening the fixing bolts 14, operations at different heights can be realized without being limited; two mounting plates 3 are installed at the upper and lower ends of the feed pipe 1, and the locking bolts are tightened to fix the two feed pipes 1.

[0026] The working principle of the present utility model is as follows: The inner liner 4 is installed on the inner side wall of the feed pipe 1, and the convex blocks 11 are respectively clamped into the notches 9 at corresponding positions, and the magic tapes 10 are bonded, which improves the firmness of the inner liner 4. The distance between the lifting plate 12 and the lifting seat 13 is adjusted, and then the fixing bolt 14 is tightened, so as to realize operations at different heights. After the height adjustment is completed, the locking bolt is tightened to fix the two feed pipes 1. During the conveying process of the metal material, the inner liner 4 is in direct contact with the material, reducing scratches on the inner wall of the feed pipe. The protective film 5 is made of polyethylene film, which can improve the smoothness of the surface of the inner liner 4 and reduce friction. The wear-resistant layer 6 is made of polytetrafluoroethylene material, which can improve the wear-resistant ability of the surface of the inner liner 4. The elastic layer 7 is internally provided with elastic foam particles, which improves the elasticity of the inner liner 4 and has a buffering ability for the metal material. Only by pulling the convex blocks 11 out of the notches 9, it is convenient to maintain and replace the inner liner 4.

[0027] The above is only a preferred specific embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present utility model, according to the technical solution and the inventive concept of the present utility model, makes equivalent substitutions or changes, and should be covered by the protection scope of the present utility model.

Claims

1. An anti-scratch device for a rolling mill feed pipe, comprising two feed pipes (1), two liners (4) and a bottom plate (15), wherein the feed pipes (1) are made of an aluminum alloy material; Features: The inner layer material of the inner lining (4) is a rubber layer (8), the outer layer of the rubber layer (8) is provided with an elastic layer (7), the elastic layer (7) is provided with elastic foam particles, the outer layer of the elastic layer (7) is provided with a wear-resistant layer (6), the outer layer of the wear-resistant layer (6) is provided with a protective film (5), and the protective film (5), the wear-resistant layer (6), the elastic layer (7) and the rubber layer (8) are connected in sequence by mucus.

2. The anti-scratch device for a rolling mill feed pipe according to claim 1, characterized in that: The wear-resistant layer (6) is made of polytetrafluoroethylene material.

3. The anti-scratch device for a rolling mill feed pipe according to claim 1, characterized in that: The protective film (5) is made of a polyethylene film.

4. The anti-scratch device for a rolling mill feed pipe according to claim 1, characterized in that: The inner wall of the feed pipe (1) is provided with a plurality of notches (9), the outer wall of the liner (4) is provided with a plurality of protrusions (11), and the notches (9) and the protrusions (11) are arranged at corresponding positions.

5. The anti-scratch device for a rolling mill feed pipe according to claim 1, characterized in that: Velcro (10) is provided on the outside of the inner wall of the feed pipe (1) and the outside of the inner wall of the liner (4).

6. The anti-scratch device for a rolling mill feed pipe according to claim 1, characterized in that: Two connecting columns (2) are installed in the middle of both side walls of the feed pipe (1), a lifting seat (13) is installed in the middle of the upper end of the bottom plate (15), a lifting plate (12) is slidably installed on the upper end of the lifting seat (13), and fixing bolts (14) are provided on the upper part of the outer wall of the lifting seat (13), and the fixing bolts (14) are threadedly connected to the lifting seat (13).

7. The anti-scratch device for a rolling mill feed pipe according to claim 1, characterized in that: Two mounting plates (3) are mounted on the upper and lower ends of the feed pipe (1).