Guide device between rolling mills

Abstract

The utility model belongs to the technical field of steel rolling equipment, and particularly relates to a guide device between rolling mills, which comprises a base, a guide table and a clamping mechanism, and is characterized in that the clamping mechanism comprises a supporting cross beam, a driving screw rod, a moving frame and a guide wheel, and the moving frame and the guide wheel are symmetrically arranged on two sides of the supporting cross beam; one end of the movable frame is arranged below the supporting cross beam and is meshed with the driving screw rod, and the other end of the movable frame is connected with the guide wheel through a quick change mechanism; and threads at the two ends of the driving screw rod are opposite in screwing direction. The synchronous clamping mechanism has the advantages that the synchronous clamping mechanism is adopted, synchronous rapid adjustment of two symmetrical positions can be achieved, conveying of steel is assisted, and the conveying stability of the steel is improved; the guide wheel adopts a quick-change structure, so that the guide wheel can be quickly changed after being abraded, the production efficiency is effectively improved, the requirement that steel billets or strip steel pass through a rolling mill is met, and the surface shape of the guide wheel can be changed into a form adaptive to transmission of different rolled pieces.

Description

Technical Field

[0001] This utility model belongs to the technical field of steel rolling equipment, and in particular relates to a guide device between steel rolling mills. Background Technology

[0002] Inter-mill guidance is a crucial technical step to ensure that billets or strips can pass through the mill stably and accurately during the rolling process. During the rolling process, billets or strips need to be transferred and rolled between the mills. If the guidance is inaccurate or unstable, it may cause the billets or strips to deviate from the rolling centerline, which may lead to steel piling accidents, surface and edge quality problems of the strip, and poor coiling quality.

[0003] Chinese utility model patent application number 202422113715.X discloses a guiding device for a rolling mill, including a hollow support plate. Support structures are fixedly mounted at the four corners of the lower end of the hollow support plate. A first water inlet valve and a first water outlet valve are respectively connected to both ends of the side wall of the hollow support plate. Guide plates are symmetrically fixedly mounted on both sides of the surface of the hollow support plate. The hollow support plate effectively supports the workpiece during transport. Simultaneously, in conjunction with the first and second water inlet valves, cooling water is injected into the hollow support plate to prevent thermal deformation of the support plate under high-temperature conditions. Through the action of the guide plates and guiding structures, workpieces during processing and transport are prevented from falling. The distance between the guide wheels can be adjusted to accommodate workpieces of different specifications, ensuring guiding stability. In the prior art, each guide wheel needs to be adjusted individually, and the adjustment of two symmetrically positioned guide wheels cannot be synchronized, making the adjustment process very cumbersome. Furthermore, the guide wheels are fixed installation structures, which cannot be quickly replaced after wear, affecting the operating efficiency of the production line. Utility Model Content

[0004] The purpose of this utility model is to provide a guiding device between rolling mills, which overcomes the shortcomings of the prior art. It adopts a synchronous clamping mechanism, which can realize the synchronous and rapid adjustment of the guide wheels in two symmetrical positions, so as to meet the requirements of ensuring that the billet or strip can pass through the rolling mill stably and accurately during the rolling process. The guide wheels adopt a quick-change structure, which can realize rapid replacement after wear.

[0005] To achieve the above objectives, this utility model employs the following technical solution:

[0006] A guiding device for a rolling mill includes a base, a guide platform, and a clamping mechanism. The guide platform is positioned above the base, and the clamping mechanism is mounted on the guide platform. At least two sets of clamping mechanisms are arranged along the length of the guide platform. A telescopic cylinder is vertically mounted at each of the four corners of the base, with the piston end of each telescopic cylinder fixedly connected to the bottom of the guide platform. The clamping mechanism includes a supporting beam, a drive screw, and symmetrically arranged movable frames and guide wheels on both sides of the supporting beam. One end of the drive screw is connected to a servo motor. The supporting beam is horizontally positioned. The movable frame has an L-shaped structure, with one end positioned below the supporting beam and meshing with the drive screw. The other end of the movable frame is connected to the guide wheel via a quick-change mechanism. The threads at both ends of the drive screw rotate in opposite directions.

[0007] Furthermore, the quick-change mechanism includes a pull rod, a spring, an inner slider, and a locking block. The inner slider is mounted on the guide wheel frame, and the pull rod is fitted inside the inner slider. A spring is provided between the pull rod and the inner slider, and a locking block is provided at the bottom of the pull rod. The inner slider matches the inner slide groove on the movable frame, and the locking block matches the locking groove at the bottom of the inner slide groove.

[0008] Furthermore, the supporting beam is connected to the guide platform via a supporting rod.

[0009] Furthermore, the two sets of clamping mechanisms synchronously control the clamping action.

[0010] Furthermore, one end of the drive screw and the moving frame is a ball screw pair.

[0011] Furthermore, the central axis of the guide wheel is vertical.

[0012] Furthermore, a sliding perforation is provided through the side wall of the base, and a linear bearing is provided inside the sliding perforation. The movable frame is slidably connected to the sliding perforation.

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

[0014] 1) The synchronous clamping mechanism can realize the synchronous and rapid adjustment of two symmetrical positions. When the steel is being conveyed, it can quickly clamp the steel relative to each other, assist the steel in conveying, and improve the transmission stability of the steel.

[0015] 2) The guide wheel adopts a quick-change structure, which can be quickly replaced after wear. The structure is simple and easy to operate, which effectively improves production efficiency and meets the requirements of steel billets or strips passing through the rolling mill stably and accurately during the rolling process. The surface shape of the guide wheel can be replaced to adapt to the transmission of different rolled products. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the rolling structure of an embodiment of the present utility model;

[0017] Figure 2 This is a schematic diagram of the clamping mechanism in an embodiment of the present utility model;

[0018] Figure 3 This is a schematic diagram of the guide platform structure in an embodiment of the present utility model;

[0019] Figure 4 This is a schematic diagram of the base structure in an embodiment of the present utility model.

[0020] Figure 5 for Figure 2 A magnified view of the structure at point A in the middle;

[0021] Figure 6 This is a schematic diagram of the quick-change mechanism in an embodiment of the present invention.

[0022] In the diagram: 1-Base; 2-Guide table; 3-Clamping mechanism; 4-Servo motor; 5-Moving frame; 6-Guide wheel; 7-Guide wheel frame; 8-Support beam; 9-Ball nut; 10-Drive screw; 11-Sliding hole; 12-Support rod; 13-Telescopic cylinder; 14-Cylinder mounting hole; 15-Quick change mechanism; 16-Inner groove; 17-Pull rod; 18-Spring; 19-Inner slider; 20-Card block; 21-Card slot. Detailed Implementation

[0023] The technical solution of this utility model will be clearly and completely described below with reference to specific embodiments. Obviously, the described embodiments are some embodiments of this utility model, but not all embodiments.

[0024] To more clearly illustrate the specific embodiments of this utility model or the technical solutions in the prior art, the specific embodiments used in the description of the specific embodiments or the prior art will be briefly introduced below. Obviously, the specific embodiments described below are some embodiments of this utility model. For those skilled in the art, other specific embodiments can be obtained based on these specific embodiments without creative effort.

[0025] The components of the present invention described and shown in the specific embodiments herein can be arranged and designed in numerous different configurations. Therefore, the following detailed description of the embodiments of the present invention provided in the specific embodiments is not intended to limit the scope of the claimed invention, but only to illustrate selected embodiments of the invention.

[0026] See Figure 1-6This is a schematic diagram of a guide device for a rolling mill according to the present invention. It includes a base 1, a guide platform 2, and a clamping mechanism 3. The guide platform 2 is positioned above the base 1, and the clamping mechanism 3 is mounted on the guide platform 2. At least two sets of clamping mechanisms 3 are arranged along the length of the guide platform 2. A telescopic cylinder 13 is vertically mounted on each of the cylinder mounting holes 14 at the four corners of the base 1. The piston end of the telescopic cylinder 13 is fixedly connected to the bottom of the guide platform 2 with its upward-facing end. The clamping mechanism 3 includes a supporting beam 8, a drive screw 10, and movable frames 5 and guide wheels 6 symmetrically arranged on both sides of the supporting beam 8. One end of the drive screw 10 is connected to a servo motor 4. The supporting beam 8 is horizontally positioned. The movable frame 5 has an L-shaped structure, with one end positioned below the supporting beam 8 and meshing with the drive screw 10. The other end of the movable frame 5 is connected to the guide wheel 6 via a quick-change mechanism 15. The threads at both ends of the drive screw 10 rotate in opposite directions. One end of the drive screw 10 and the movable frame 5 is a ball screw assembly, with a ball nut 9 located at one end of the movable frame 5. A sliding perforation 11 is provided through the side wall of the base 1, and a linear bearing is installed inside the sliding perforation 11. The movable frame 5 is slidably connected to the sliding perforation 11. The support beam 8 is connected to the guide table 2 through the support rod 12. The two sets of clamping mechanisms 3 synchronously control the clamping action. The central axis of the guide wheel 6 is vertical and follows the direction of movement of the rolled workpiece.

[0027] The quick-change mechanism 15 includes a pull rod 17, a spring 18, an inner slider 19, and a locking block 20. The inner slider 19 is mounted on the guide wheel frame 7, and the pull rod 17 is fitted inside the inner slider 19. A spring 18 is provided between the pull rod 17 and the inner slider 19. A locking block 20 is provided at the bottom of the pull rod 17. The inner slider 19 matches the inner slide groove 16 on the movable frame 5, and the locking block 20 matches the locking groove 21 at the bottom of the inner slide groove. The quick-change mechanism 15 realizes the detachable structure of the guide wheel 6 and the movable frame 5.

[0028] In use, the guide table 2 is first adjusted to a height suitable for the rolling mill. The guide table 2 is then raised and lowered by the telescopic cylinder 13. Once the guide table 2 is at the appropriate height, the steel plate is passed through the clamping mechanism 3. At this time, the servo motor 4 starts, driving the drive screw 10 to rotate. The ball nut 9, threadedly connected to the drive screw 10, drives the moving frame 5 to move. The threads on the outer wall of the drive screw 10 are opposite, so the moving frames 5 on both sides move closer or further apart under the same force, driving the guide wheel 6 to move until the guide wheel 6 is in contact with the side wall of the steel plate, thus limiting and guiding the steel plate. During the movement and transmission of the steel plate, the guide wheel 6 rotates to transport the steel plate. The guide wheel frame 7 and the moving frame 5 are detachable, allowing the guide wheel 6 to be replaced. The guide wheel 6 can also be replaced according to different rolled product specifications, and can be replaced with a style suitable for different rolled product transmissions. Only one style is shown in the attached drawings.

[0029] When replacing guide wheel 6, pull rod 17 upwards. Rod 17 moves locking block 20 upwards simultaneously. At this time, spring 18 is compressed, and locking block 20 moves upwards and leaves the slot 21. The inner slider 19 can then slide out along the inner groove 16, disengaging the old guide wheel frame 7 from the moving frame 5. The new guide wheel and guide wheel frame can then be installed quickly by reversing the operation.

[0030] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A guiding device for a rolling mill, comprising a base, a guide platform, and a clamping mechanism, wherein the guide platform is disposed above the base, and the clamping mechanism is disposed on the guide platform, wherein at least two sets of the clamping mechanism are disposed along the length direction of the guide platform, characterized in that, Each of the four corners of the base is vertically equipped with a telescopic cylinder, the piston end of which is fixedly connected to the bottom of the guide platform. The clamping mechanism includes a support beam, a drive screw, and movable frames and guide wheels symmetrically arranged on both sides of the support beam. One end of the drive screw is connected to a servo motor. The support beam is horizontally arranged. The movable frame has an L-shaped structure. One end of the movable frame is located below the support beam and meshes with the drive screw. The other end of the movable frame is connected to the guide wheel through a quick-change mechanism. The threads at both ends of the drive screw rotate in opposite directions.

2. The inter-rolling mill guide device according to claim 1, characterized in that, The quick-change mechanism includes a pull rod, a spring, an inner slider, and a locking block. The inner slider is mounted on the guide wheel frame, and the pull rod is fitted inside the inner slider. A spring is provided between the pull rod and the inner slider, and a locking block is provided at the bottom of the pull rod. The inner slider matches the inner slide groove on the movable frame, and the locking block matches the locking groove at the bottom of the inner slide groove.

3. A guiding device between rolling mills according to claim 1, characterized in that, The supporting beam is connected to the guide platform via a supporting rod.

4. A guiding device between rolling mills according to claim 1, characterized in that, The two sets of clamping mechanisms control the clamping action synchronously.

5. A guiding device between rolling mills according to claim 1, characterized in that, One end of the drive screw and the moving frame is a ball screw pair.

6. A guiding device between rolling mills according to claim 1, characterized in that, The central axis of the guide wheel is vertical.

7. A guiding device between rolling mills according to claim 1, characterized in that, A sliding perforation is provided through the side wall of the base, and a linear bearing is installed inside the sliding perforation. The movable frame is slidably connected to the sliding perforation.

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