Elbow at outlet of pinch roll of high-speed wire rod rolling mill

By designing an integrated outlet bend structure and corrosion-resistant and wear-resistant coating, the problems of frequent wear and poor neutrality of the guide are solved, and efficient fixation and extended service life of the guide are achieved.

CN223113825UActive Publication Date: 2025-07-18BAOTOU IRON & STEEL (GROUP) CO LTD
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Patent Information

Application Number
CN202422238217.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-12
Publication Date
2025-07-18
Estimated Expiration
2034-09-12

AI Technical Summary

Technical Problem

The existing high-speed wire rolling mills have frequent wear and high replacement costs, and the three separate structures have poor neutrality.

Method used

An integrated outlet bend structure is designed to achieve the fixing and disassembly of the guide through the combination of pull rings, installation grooves, connecting rods, springs, movable plates and insert blocks, avoiding the replacement of the nose and three guides at each time, and a corrosion-resistant and wear-resistant coating is used to improve the service life.

Benefits of technology

Reduce navigation wear and replacement frequency, reduce production costs, and improve navigation neutrality and service life.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223113825U_ABST
Patent Text Reader

Abstract

The utility model discloses a high-speed wire rod mill pinch roll outlet bend pipe, which comprises a mounting seat and an outlet bend pipe body, the left end of the outlet bend pipe body is fixedly connected with an outlet bend pipe end, the upper and lower surfaces of the outlet bend pipe end are both provided with slots, the upper and lower surfaces of the inner cavity of the mounting seat are both provided with mounting grooves, and the mounting grooves are fixedly connected with the mounting seat. A spring is fixedly connected to an inner cavity of the mounting groove, a movable plate is fixedly connected to the other end of the spring, and an insertion block is fixedly connected to the other face of the movable plate. The integrated outlet elbow can be formed through the outlet elbow end and the outlet elbow body, the nose end and the three guides do not need to be replaced every time the outlet guides are replaced, and a fixing structure can be formed through the pull ring, the mounting groove, the connecting rod, the spring, the movable plate, the inserting groove and the inserting block. The integrated outlet elbow can be fixed to the mounting base, and when the integrated outlet elbow needs to be disassembled, the pull ring is pulled, and the connecting rod can be driven to move through the pull ring.
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Description

Technical Field

[0001] The utility model relates to the technical field of outlet elbows, in particular to an outlet elbow of a pinch roll of a high-speed wire rod rolling mill. Background Technique

[0002] The outlet guide of the 2# pinch roll of the Morgan V high-speed wire rod rolling mill is designed in two types: sliding and rolling. The sliding and rolling are further divided into two types: large specification and small specification. Whether it is a sliding guide or a rolling guide, there is a nose end at the front end of the first piece. The nose end is divided into two types according to the production specifications, but the outer shape is the same, only the inner hole diameter size is different, and it is an integral structure. The rear outlet guide is designed in two types: sliding and rolling. Whether it is sliding or rolling, it is composed of three guides. In the actual production process, the advancing rolled piece needs to change its direction here, changing the angle from the horizontal direction to enter the coiler for coiling. Therefore, the outlet guide needs to apply a certain external force to the rolled piece to force it to change direction. However, in this way, the wear and replacement of the outlet guide are relatively frequent, and since it is a three-piece separate structure, due to machining tolerances, the alignment between the three pieces is relatively poor. If new sliders are replaced each time, the production cost is relatively high. For this reason, we propose an outlet elbow of a pinch roll of a high-speed wire rod rolling mill. Content of the Utility Model

[0003] The purpose of the utility model is to provide an outlet elbow of a pinch roll of a high-speed wire rod rolling mill, which has the advantages that when replacing the outlet guide each time, there is no need to replace the nose end and the three guides, and solves the problems that the wear and replacement of such an outlet guide are relatively frequent, and since it is a three-piece separate structure, due to machining tolerances, the alignment between the three pieces is relatively poor, and if new sliders are replaced each time, the production cost is relatively high.

[0004] To achieve the above object, the utility model provides the following technical solution: An outlet elbow of a pinch roll of a high-speed wire rod rolling mill, including a mounting seat and an outlet elbow body. The left end of the outlet elbow body is fixedly connected with an outlet elbow end. Slots are opened on both the upper and lower surfaces of the outlet elbow end. Mounting grooves are opened on both the upper and lower surfaces of the inner cavity of the mounting seat. A spring is fixedly connected to the inner cavity of the mounting groove. The other end of the spring is fixedly connected with a movable plate. A plug is fixedly connected to the other side of the movable plate. The plug is inserted into the inner cavity of the slot. A connecting rod is arranged on the movable plate.

[0005] Preferably, the outlet elbow body includes a corrosion-resistant coating, a high-strength layer, a wear-resistant layer, and a wear-resistant coating. The corrosion-resistant coating is phenolic paint. The high-strength layer is 42CrMo alloy steel. The wear-resistant layer is 20CrMnTi alloy steel. The wear-resistant coating is tungsten carbide paint.

[0006] Preferably, the corrosion-resistant coating is applied to the outside of the high-strength layer, the high-strength layer is located outside the wear-resistant layer, and the wear-resistant coating is applied to the inner wall of the wear-resistant layer.

[0007] Preferably, the other end of the connecting rod penetrates through the installation groove and extends to the outside of the mounting seat, and a pull ring is fixedly connected to the other end of the connecting rod.

[0008] Preferably, positioning blocks are fixedly connected to both the upper and lower ends on the right side of the inner cavity of the mounting seat, positioning grooves are formed on the right side of the end of the outlet elbow, and the positioning blocks are inserted into the inner cavity of the positioning grooves.

[0009] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0010] 1. In the present utility model, the end of the outlet elbow and the outlet elbow body can form an integrated outlet elbow, which can achieve that when replacing the outlet guide each time, it is not necessary to replace the nose end and the three guides. By using the pull ring, installation groove, connecting rod, spring, movable plate, slot and plug, a fixing structure can be formed, and the integrated outlet elbow can be fixed on the mounting seat. When disassembly is required, pull the pull ring. By using the pull ring, the connecting rod can be driven to move. By using the connecting rod, the movable plate can be driven to move, so that the plug can be driven to leave the slot, which is convenient for people to install and disassemble the integrated outlet elbow.

[0011] 2. In the present utility model, through the corrosion-resistant coating, the outlet elbow body can be prevented from being corroded by substances in the external environment during long-term use, thereby improving the service life. By using the high-strength layer, the outlet elbow body can have good strength, avoid deformation under the influence of external forces during long-term use, and improve the service life. By using the wear-resistant layer and wear-resistant coating, the inner wall of the outlet elbow body can have good wear resistance, and the service life can be improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 is a schematic structural diagram of the present utility model;

[0013] Figure 2 is a schematic front sectional structural diagram of the present utility model;

[0014] Figure 3 is an enlarged structural diagram at A of the present utility model;

[0015] Figure 4 is a schematic structural diagram of the outlet elbow body of the present utility model.

[0016] In the figure: 1. Mounting base; 2. Outlet elbow end; 3. Outlet elbow body; 301. Corrosion-resistant coating; 302. High-strength layer; 303. Wear-resistant layer; 304. Wear-resistant coating; 4. Positioning groove; 5. Positioning block; 6. Pull ring; 7. Installation groove; 8. Connecting rod; 9. Spring; 10. Movable plate; 11. Slot; 12. Insert block. Detailed implementation mode

[0017] 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. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative work belong to the protection scope of the present invention.

[0018] Secondly, the so-called "one embodiment" or "embodiment" herein refers to a specific feature, structure or characteristic that can be included in at least one implementation mode of the present invention. The "in one embodiment" that appears in different places in this specification does not necessarily refer to the same embodiment, nor is it an independent or alternative embodiment that excludes other embodiments.

[0019] Embodiment 1:

[0020] Please refer to Figures 1-4 As shown, the present invention provides an outlet elbow for a pinch roll of a high-speed wire rod rolling mill, including a mounting base 1 and an outlet elbow body 3. The left end of the outlet elbow body 3 is fixedly connected to an outlet elbow end 2. Slots 11 are opened on both the upper and lower surfaces of the outlet elbow end 2. Installation grooves 7 are opened on both the upper and lower surfaces of the inner cavity of the mounting base 1. A spring 9 is fixedly connected to the inner cavity of the installation groove 7. The other end of the spring 9 is fixedly connected to a movable plate 10. An insert block 12 is fixedly connected to the other side of the movable plate 10. The insert block 12 is inserted into the inner cavity of the slot 11. A connecting rod 8 is arranged on the movable plate 10. The other end of the connecting rod 8 penetrates through the installation groove 7 and extends to the outside of the mounting base 1. A pull ring 6 is fixedly connected to the other end of the connecting rod 8. Positioning blocks 5 are fixedly connected to both the upper and lower ends on the right side of the inner cavity of the mounting base 1. A positioning groove 4 is opened on the right side of the outlet elbow end 2. The positioning block 5 is inserted into the inner cavity of the positioning groove 4.

[0021] Through the end 2 of the outlet elbow and the outlet elbow body 3, an integral outlet elbow can be formed. When replacing the outlet guide device each time, it is not necessary to replace the nose end and the three guide devices. By using the pull ring 6, the installation groove 7, the connecting rod 8, the spring 9, the movable plate 10, the slot 11 and the plug 12, a fixing structure can be formed to fix the integral outlet elbow on the mounting seat 1. When disassembly is required, pull the pull ring 6. By using the pull ring 6, the connecting rod 8 can be driven to move. By using the connecting rod 8, the movable plate 10 can be driven to move, so that the plug 12 can be driven to leave the slot 11, facilitating the installation and disassembly of the integral outlet elbow by people.

[0022] Embodiment 2:

[0023] Based on Embodiment 1, as shown in the present utility model Figures 1-4 shows that the outlet elbow body 3 includes a corrosion-resistant coating 301, a high-strength layer 302, a wear-resistant layer 303 and a wear-resistant coating 304. The corrosion-resistant coating 301 is phenolic paint, the high-strength layer 302 is 42CrMo alloy steel, the wear-resistant layer 303 is 20CrMnTi alloy steel, and the wear-resistant coating 304 is tungsten carbide paint. The corrosion-resistant coating 301 is coated on the outside of the high-strength layer 302, the high-strength layer 302 is located outside the wear-resistant layer 303, and the wear-resistant coating 304 is coated on the inner wall of the wear-resistant layer 303.

[0024] Through the corrosion-resistant coating 301, the outlet elbow body 3 can be prevented from being corroded by substances in the external environment during long-term use, thereby improving the service life. By using the high-strength layer 302, the outlet elbow body 3 can have good strength, avoiding deformation under the influence of external forces during long-term use, and improving the service life. By using the wear-resistant layer 303 and the wear-resistant coating 304, the inner wall of the outlet elbow body 3 can have good wear resistance, improving the service life.

[0025] The working principle of the present utility model is as follows: Through the end 2 of the outlet elbow and the outlet elbow body 3, an integrated outlet elbow can be formed, enabling the nose end and three pieces of guide guards not to be replaced each time the outlet guide guard is changed. By using the pull ring 6, the mounting groove 7, the connecting rod 8, the spring 9, the movable plate 10, the slot 11 and the insertion block 12, a fixing structure can be formed to fix the integrated outlet elbow on the mounting seat 1. When disassembly is required, pulling the pull ring 6 can drive the connecting rod 8 to move by using the pull ring 6, and the movable plate 10 can be driven to move by using the connecting rod 8, thereby driving the insertion block 12 to leave the slot 11, facilitating the installation and disassembly of the integrated outlet elbow. Through the corrosion-resistant coating 301, the outlet elbow body 3 can be prevented from being corroded by substances in the external environment during long-term use, thus improving the service life. By using the high-strength layer 302, the outlet elbow body 3 can have good strength, avoiding deformation under the influence of external forces during long-term use and improving the service life. By using the wear-resistant layer 303 and the wear-resistant coating 304, the inner wall of the outlet elbow body 3 can have good wear resistance, improving the service life.

[0026] Importantly, it should be noted that the construction and arrangement of the present application shown in multiple different exemplary embodiments are only illustrative. Although only a few embodiments are described in detail in this disclosure, those who refer to this disclosure should easily understand that many modifications are possible on the premise of substantially not deviating from the novel teachings and advantages of the subject matter described in this application (for example, the dimensions, scales, structures, shapes and proportions of various components, and parameter values (such as temperature, pressure, etc.), installation arrangements, use of materials, color, orientation changes, etc.). For example, an element shown as integrally formed can be composed of multiple parts or elements, the position of the element can be inverted or otherwise changed, and the nature, number or position of discrete elements can be changed or altered. Therefore, all such modifications are intended to be included within the scope of the present utility model. The order or sequence of any process or method steps can be changed or reordered according to alternative embodiments. In the claims, any "means-plus-function" clause is intended to cover the structure that performs the recited function herein, and not only structural equivalents but also equivalent structures. Other substitutions, modifications, changes and omissions can be made in the design, operating conditions and arrangement of the exemplary embodiments without departing from the scope of the present utility model. Therefore, the present utility model is not limited to a specific embodiment, but extends to various modifications that still fall within the scope of the appended claims.

[0027] In addition, in order to provide a concise description of the exemplary embodiments, not all features of the actual embodiments may be described (i.e., those features that are not relevant to the currently considered best mode of implementing the present utility model or those features that are not relevant to the implementation of the present utility model).

[0028] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present utility model, rather than limiting the protection scope of the present utility model. Although the present utility model 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 utility model can be modified or equivalently replaced without departing from the essence and scope of the technical solutions of the present utility model.

Claims

1. A pinch roll outlet elbow of a high-speed wire rod rolling mill, comprising a mounting seat (1) and an outlet elbow body (3), characterized in that: The left end of the outlet elbow body (3) is fixedly connected to an outlet elbow end (2). Slots (11) are formed on both the upper and lower surfaces of the outlet elbow end (2). Installation grooves (7) are formed on both the upper and lower surfaces inside the installation seat (1). A spring (9) is fixedly connected to the inner cavity of the installation groove (7). The other end of the spring (9) is fixedly connected to a movable plate (10). A plug (12) is fixedly connected to the other side of the movable plate (10). The plug (12) is inserted into the inner cavity of the slot (11). A connecting rod (8) is arranged on the movable plate (10).

2. The outlet elbow of the pinch roll of a high-speed wire rod rolling mill according to claim 1, characterized in that: The outlet elbow body (3) includes a corrosion-resistant coating (301), a high-strength layer (302), a wear-resistant layer (303), and a wear-resistant coating (304). The corrosion-resistant coating (301) is phenolic paint. The high-strength layer (302) is 42CrMo alloy steel. The wear-resistant layer (303) is 20CrMnTi alloy steel. The wear-resistant coating (304) is tungsten carbide paint.

3. The outlet elbow of the pinch roll of a high-speed wire rod mill according to claim 2, characterized in that: The corrosion-resistant coating (301) is coated on the outside of the high-strength layer (302). The high-strength layer (302) is located outside the wear-resistant layer (303). The wear-resistant coating (304) is coated on the inner wall of the wear-resistant layer (303).

4. A bent pipe at the outlet of the pinch roll of a high-speed wire rod rolling mill according to claim 1, characterized in that: The other end of the connecting rod (8) penetrates through the installation groove (7) and extends to the outside of the installation seat (1). A pull ring (6) is fixedly connected to the other end of the connecting rod (8).

5. A bent pipe at the outlet of the pinch roll of a high-speed wire rod mill according to claim 1, characterized in that: Positioning blocks (5) are fixedly connected to both the upper and lower ends on the right side inside the installation seat (1). A positioning groove (4) is formed on the right side of the outlet elbow end (2). The positioning blocks (5) are inserted into the inner cavity of the positioning groove (4).