A high-speed wire rod laying and bending guide wheel locking device

By designing a new locking device, which utilizes a combination structure of mandrel and locking sleeve, the problem of guide roller jamming caused by vibration and impact in high-speed wire rod production has been solved, enabling stable installation and removal of guide rollers and improving production safety and efficiency.

CN224444112UActive Publication Date: 2026-07-03JIANGYIN XINGCHENG GOLD MATERIALS CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
JIANGYIN XINGCHENG GOLD MATERIALS CO LTD
Filing Date
2025-06-24
Publication Date
2026-07-03

AI Technical Summary

Technical Problem

Existing guide wheel locking devices are prone to jamming due to vibration and impact from the red steel head in high-speed wire rod production, causing steel pile-up accidents. Furthermore, they are difficult to stabilize the position of the guide wheel, affecting production efficiency and safety.

Method used

A novel locking device was designed, which uses a combination of a spindle and a locking sleeve, an outer nut and a threaded section for connection, and welding for fixation, to achieve stable installation and removal of the guide wheel and the U-shaped groove, thereby enhancing the positional stability of the guide wheel.

Benefits of technology

This improved the ease of installation and removal of guide rollers, ensured the balance and stability of the rolling line, reduced steel pile-up accidents, and enhanced production safety and economic efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

This utility model discloses a guide wheel locking device for high-speed wire rod spinning and bending, relating to the field of high-speed wire processing technology. The utility model includes a guide wheel body and a device body. The guide wheel body is installed in a U-shaped groove via the device body. The bottom edge of the U-shaped groove has an arc-shaped groove, and both sides of the U-shaped groove have openings. An outer nut is welded and fixed to the outer side of one side of the U-shaped groove. The device body includes a mandrel and a locking sleeve. Bearing bodies are provided at both ends inside the mandrel hole of the guide wheel body, and sleeves are fixed inside the two bearing bodies. This utility model, through its novel locking device design, can be used for fastening and fixing the guide wheel and the U-shaped groove, facilitating the installation and removal of the guide wheel, and simplifying operation and replacement. Simultaneously, one end of the mandrel can be connected via an outer nut and a threaded section, while the other end of the mandrel, through the design of a locking sleeve sleeved and welded to the U-shaped groove, greatly improves the positional stability of the guide wheel body, ensuring the balance of the rolling line.
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Description

Technical Field

[0001] This utility model belongs to the field of high-speed wire processing technology, and in particular relates to a guide wheel locking device for high-speed wire spinning and bending. Background Technology

[0002] The bending tube is an important piece of equipment in the high-speed wire rod production process. Its main function is to guide the finished strip into the wire spinning machine, and it also has the functions of anti-impact and guidance. In order to solve the problem of scratching the wire products by the wire spinning bending tube, and to increase the steel throughput of the bending tube, a U-shaped groove with guide wheel is set at the end of the bending tube for guidance, as disclosed in the utility model patent with application number 201620669739.6.

[0003] Existing guide rollers are generally locked with bolts. They are subjected to high rolling temperatures and high rolling speeds, and after prolonged use, they may vibrate. This could cause the red-hot steel head to hit the roller, resulting in the roller jamming and causing steel pile-up accidents inside the bend. Steel pile-up accidents can also easily occur when wear exceeds the limit, causing significant economic losses to the production process. Summary of the Invention

[0004] The purpose of this utility model is to provide a guide wheel locking device for high-speed wire rod spinning and bending. The new locking device can be used to fasten and fix the guide wheel and the U-shaped groove, which facilitates the installation and removal of the guide wheel, and is easy to operate and replace. At the same time, one end of the mandrel can be connected by an external nut and a threaded section, and the other end of the mandrel is designed with a locking sleeve that is sleeved and welded to the U-shaped groove, which can greatly improve the positional stability of the guide wheel body and ensure the balance of the rolling line.

[0005] To solve the above-mentioned technical problems, this utility model is achieved through the following technical solution:

[0006] This utility model is a guide wheel locking device for high-speed wire spinning and bending tubes, including a guide wheel body and a device body, wherein the guide wheel body is installed in a U-shaped groove through the device body;

[0007] The bottom edge of the U-shaped groove is provided with an arc-shaped groove, and both sides of the U-shaped groove are provided with openings. An outer nut is welded and fixed to the outer side of one side of the U-shaped groove.

[0008] The device body includes a spindle and a locking sleeve;

[0009] The guide wheel body has bearing bodies at both ends inside the shaft hole. A sleeve is fixed inside the two bearing bodies. The inner hole of the sleeve is a square hole structure. The circumferential side of the sleeve has an outward protrusion located between the two bearing bodies.

[0010] The guide wheel body is set in the U-shaped groove, and the two ends of the sleeve are respectively attached to the two sides of the U-shaped groove and concentric with the opening;

[0011] The mandrel has a square shaft structure, and one end of the mandrel is provided with a cylindrical section, a threaded section and a connector end in sequence. The mandrel passes through the opening of the U-shaped groove and the inner hole of the sleeve.

[0012] The threaded section of the mandrel is threaded inside the outer nut, the cylindrical section of the mandrel is gapped in the through-hole on one side of the U-shaped groove, the locking sleeve has a square opening at the center of the shaft that mates with the mandrel, the locking sleeve is rotatably set in the through-hole on the other side of the U-shaped groove and sleeved on the end of the mandrel, and the outer end of the locking sleeve has a convex ring that is welded to the U-shaped groove.

[0013] The mandrel, cylindrical section and threaded section are provided with an inner oil guide groove that connects to the joint end. The outer protrusion is provided with an outer oil guide groove that connects to the two bearing bodies. An upper oil port extending to the inner wall of the sleeve is connected to the outer oil guide groove. The mandrel is provided with a lower oil port that connects to the upper oil port and the inner oil guide groove.

[0014] Furthermore, several cooling water pipe mounting points are welded and fixed at the top edge of one side of the U-shaped groove, and the cooling water pipe mounting points are fastening nuts.

[0015] Furthermore, the guide wheel body has a groove on its peripheral side, and a guide wire opening is formed between the groove and the arc-shaped groove.

[0016] Furthermore, the outer nut has several first weld grooves on its circumferential side, and the first weld grooves have first weld points that connect the outer nut and the U-shaped groove.

[0017] Furthermore, the convex ring is provided with a plurality of second welding grooves, and the second welding grooves are provided with second welding points connecting the locking sleeve and the U-shaped groove.

[0018] Furthermore, the outer diameter of the sleeve is larger than the inner diameter of the port.

[0019] This utility model has the following beneficial effects:

[0020] This utility model features a novel locking device that secures the guide wheel and the U-shaped groove, facilitating the installation and removal of the guide wheel and making it easy to operate and replace. Meanwhile, one end of the mandrel can be connected via an external nut and a threaded section, while the other end of the mandrel is fitted with a locking sleeve that is welded to the U-shaped groove. This design greatly improves the positional stability of the guide wheel body and ensures the balance of the rolling line.

[0021] Of course, any product implementing this utility model does not necessarily need to achieve all of the advantages described above at the same time. Attached Figure Description

[0022] To more clearly illustrate the technical solutions of the embodiments of this utility model, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0023] Figure 1 This is a schematic diagram of the guide wheel locking device for a high-speed wire spinning and bending tube according to the present invention;

[0024] Figure 2 This is a structural schematic diagram from another perspective of the present invention;

[0025] Figure 3 This is a cross-sectional view of the structure of this utility model;

[0026] Figure 4 This is a schematic diagram of the structure when the mandrel and sleeve are connected.

[0027] Figure 5 This is a schematic diagram of the mandrel structure;

[0028] The attached diagram lists the components represented by each number as follows:

[0029] 1-Guide wheel body, 2-U-shaped groove, 3-Mandrel, 4-Locking sleeve, 5-Cooling water pipe mounting point, 101-Bearing body, 102-Sleeve, 103-Outer protrusion, 104-Outer oil guide groove, 105-Upper oil port, 106-Groove, 201-Arc groove, 202-Through, 203-Outer nut, 204-First weld groove, 301-Cylindrical section, 302-Threaded section, 303-Joint end, 304-Inner oil guide groove, 305-Lower oil port, 401-Protruding ring, 402-Second weld groove. Detailed Implementation

[0030] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present utility model.

[0031] Please see Figure 1-5 As shown, this utility model is a guide wheel locking device for high-speed wire spinning and bending tubes, including a guide wheel body 1 and a device body. The guide wheel body 1 is installed in a U-shaped groove 2 through the device body.

[0032] The U-shaped groove 2 has an arc groove 201 on the inner bottom edge, and both sides of the U-shaped groove 2 have through openings 202. An outer nut 203 is welded and fixed to the outer side of one side of the U-shaped groove 2.

[0033] The device body includes a spindle 3 and a locking sleeve 4;

[0034] The guide wheel body 1 has bearing bodies 101 at both ends inside the shaft hole. A sleeve 102 is fixed inside the two bearing bodies 101. The inner hole of the sleeve 102 is a square hole structure. The circumferential side of the sleeve 102 is provided with an outward protrusion 103 located between the two bearing bodies 101.

[0035] The guide wheel body 1 is set in the U-shaped groove 2, and the two ends of the sleeve 102 are respectively attached to the two sides of the U-shaped groove 2 and concentric with the through opening 202;

[0036] The mandrel 3 has a square shaft structure. One end of the mandrel 3 is provided with a cylindrical section 301, a threaded section 302 and a connector end 303 in sequence. The mandrel 3 passes through the through-hole 202 of the U-shaped groove 2 and the inner hole of the sleeve 102.

[0037] The threaded section 302 of the mandrel 3 is threaded inside the outer nut 203. The cylindrical section 301 of the mandrel 3 is gapped inside the through-hole 202 on one side of the U-shaped groove 2. The locking sleeve 4 has a square opening at its shaft center that mates with the mandrel 3. The locking sleeve 4 is rotatably set inside the through-hole 202 on the other side of the U-shaped groove 2 and is fitted onto the end of the mandrel 3. The outer end of the locking sleeve 4 has a protruding ring 401 that is welded to the U-shaped groove 2.

[0038] The spindle 3, cylindrical section 301 and threaded section 302 are provided with an inner oil guide groove 304 that is connected to the connector end 303. The outer protrusion 103 is provided with an outer oil guide groove 104 that is connected to the two bearing bodies 101. An upper oil port 105 extending to the inner wall of the sleeve 102 is connected to the outer oil guide groove 104. The spindle 3 is provided with a lower oil port 305 that is connected to the upper oil port 105 and the inner oil guide groove 304.

[0039] Among them, such as Figure 1-3 As shown, several cooling water pipe mounting points 5 are welded and fixed at the top edge of one side of the U-shaped groove 2, and the cooling water pipe mounting points 5 are fastening nuts.

[0040] Among them, such as Figure 1-3 As shown, the guide wheel body 1 has a groove 106 on its circumferential side, and a guide wire opening is formed between the groove 106 and the arc groove 201.

[0041] Among them, such as Figure 1 As shown, the outer nut 203 has several first weld grooves 204 on its circumferential side, and the first weld grooves 204 have first weld points that connect the outer nut 203 and the U-shaped groove 2.

[0042] Among them, such as Figure 2As shown, the convex ring 401 is provided with a plurality of second weld grooves 402, and the second weld grooves 402 are provided with second weld points connecting the locking sleeve 4 and the U-shaped groove 2.

[0043] The outer diameter of the sleeve 102 is larger than the inner diameter of the port 202.

[0044] The installation process of this utility model is as follows:

[0045] Move the guide wheel 1 with sleeve 102 into the U-shaped groove 2. Insert the end of the mandrel 3 away from the connector end 303 into the through 202 on one side of the U-shaped groove 2, the sleeve 102, and the through 202 of the other U-shaped groove 2 in sequence. Put the locking sleeve 4 on the end of the mandrel 3 and insert it into the through 202 of the U-shaped groove 2 to ensure that the convex ring 401 fits against the side wall of the U-shaped groove 2. Tightening the mandrel 3 can achieve thread locking between the threaded section 302 and the outer nut 203. When it cannot be tightened, it is tightened in place. Weld the locking sleeve 4 to the U-shaped groove 2 by spot welding.

[0046] When the guide wheel body 1 needs to be replaced, the spot weld between the locking sleeve 4 and the U-shaped groove 2 can be removed by cutting. The locking sleeve 4 can be pulled out and the spindle 3 can be turned to pull out the spindle 3.

[0047] In the description of this specification, references to terms such as "an embodiment," "example," "specific example," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0048] The preferred embodiments of this utility model disclosed above are merely illustrative of the present utility model. These preferred embodiments do not exhaustively describe all details, nor do they limit the utility model to the specific implementations described. Clearly, many modifications and variations can be made based on the content of this specification. This specification selects and specifically describes these embodiments to better explain the principles and practical applications of this utility model, thereby enabling those skilled in the art to better understand and utilize it. This utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A guide wheel locking device for high-speed wire spinning and bending tubes, comprising a guide wheel body (1) and a device body, wherein the guide wheel body (1) is installed in a U-shaped groove (2) through the device body, characterized in that: The U-shaped groove (2) has an arc groove (201) on its inner bottom edge, and both sides of the U-shaped groove (2) have openings (202). An outer nut (203) is welded and fixed to the outer side of one side of the U-shaped groove (2). The device body includes a spindle (3) and a locking sleeve (4). The guide wheel body (1) has bearing bodies (101) at both ends of the shaft hole. A sleeve (102) is fixed inside the two bearing bodies (101). The inner hole of the sleeve (102) is a square hole structure. The sleeve (102) has an outward protrusion (103) located between the two bearing bodies (101) on its peripheral side. The guide wheel body (1) is set in the U-shaped groove (2), and the two ends of the sleeve (102) are respectively attached to the two sides inside the U-shaped groove (2) and concentric with the through opening (202); The mandrel (3) is a square shaft structure. One end of the mandrel (3) is provided with a cylindrical section (301), a threaded section (302) and a connector end (303) in sequence. The mandrel (3) passes through the opening (202) of the U-shaped groove (2) and the inner hole of the sleeve (102). The threaded section (302) of the mandrel (3) is threaded inside the outer nut (203). The cylindrical section (301) of the mandrel (3) is gapped inside the opening (202) on one side of the U-shaped groove (2). The locking sleeve (4) has a square opening at its shaft center that mates with the mandrel (3). The locking sleeve (4) is rotatably disposed inside the opening (202) on the other side of the U-shaped groove (2) and sleeved on the end of the mandrel (3). The outer end of the locking sleeve (4) has a convex ring (401) that is welded to the U-shaped groove (2). The mandrel (3), cylindrical section (301) and threaded section (302) are provided with an inner oil guide groove (304) connected to the connector end (303). The outer protrusion (103) is provided with an outer oil guide groove (104) connected to the two bearing bodies (101). An upper oil port (105) extending to the inner wall of the sleeve (102) is connected to the outer oil guide groove (104). The mandrel (3) is provided with a lower oil port (305) connected to the upper oil port (105) and the inner oil guide groove (304).

2. The guide wheel locking device for high-speed wire spinning and bending tubes according to claim 1, characterized in that, Several cooling water pipe mounting points (5) are welded and fixed at the top edge of one side of the U-shaped groove (2), and the cooling water pipe mounting points (5) are fastening nuts.

3. The guide wheel locking device for high-speed wire spinning and bending tubes according to claim 1, characterized in that, The guide wheel body (1) has a groove (106) on its circumferential side, and a guide wire opening is formed between the groove (106) and the arc groove (201).

4. The guide wheel locking device for high-speed wire spinning and bending tubes according to claim 1, characterized in that, The outer nut (203) has several first weld grooves (204) on its peripheral side, and the first weld grooves (204) have first weld points that connect the outer nut (203) and the U-shaped groove (2).

5. The guide wheel locking device for high-speed wire spinning and bending tubes according to claim 1, characterized in that, The convex ring (401) is provided with a plurality of second welding grooves (402), and the second welding grooves (402) are provided with second welding points connecting the locking sleeve (4) and the U-shaped groove (2).

6. The guide wheel locking device for high-speed wire spinning and bending tubes according to claim 1, characterized in that, The outer diameter of the sleeve (102) is larger than the inner diameter of the port (202).