Rolling mill side guide calibration tool

Abstract

The utility model discloses a rolling mill side guide calibration tool, belongs to the technical field of auxiliary measurement, and solves the problems of difficulty in reading, poor measurement precision and low working efficiency in the existing measurement process. Comprising a cylinder body, two calibration rulers and a positioning rod, the two calibration rulers are arranged at the two ends of the cylinder body in a sleeving mode respectively and can slide in the cylinder body, the positioning rod is vertically installed in the center of the cylinder body, a sliding groove is formed in the positioning rod, a sliding block is installed in the sliding groove in a matched mode, sleeves are hinged to the two sides of the sliding block, and sliding rods are arranged in the sleeves in a sliding and sleeving mode; the free ends of the sliding rods on the two sides are hinged to the calibration rulers on the two sides respectively. The side guide measuring device is simple and small in structure, facilitates reading during side guide measurement, improves the precision of side guide measurement, and has very high applicability.

Description

Technical Field

[0001] The utility model belongs to the technical field of auxiliary measurement, and in particular relates to a rolling mill side guide calibration tool. Background Art

[0002] The side guide is an axisymmetric device consisting of two parts, and the axis of symmetry is the rolling centerline. The quality of the side guide calibration results directly affects the plate shape and coil quality of the product. The side guide calibration is divided into two points: one is that the distance deviation of the two parts relative to the rolling centerline is ≤2mm, which is called the centering accuracy, and the other is that the deviation of the distance between the two parts is ≤2mm, which is called the opening accuracy. As a large-scale hot rolling production line, there are many varieties of rolling every day. It is necessary to measure and calibrate the side guide regularly to compensate for the wear and ensure the centering accuracy, so as to ensure the product yield and extend the service life of the side guide. Therefore, the frequency of daily measurement and calibration of the side guide is high. During the calibration process of the rolling mill side guide, it is necessary to measure the distance between the two. At present, the measuring tools are mostly tape measures, and two people enter the rolling mill side guide to cooperate. During the measurement, the measurement accuracy will be reduced due to the measurement position, method, measuring tools and other reasons of different personnel, and the calibration accuracy of the side guide cannot be guaranteed. In particular, when measuring the opening accuracy, it can sometimes cause an error of 5-10mm, which is low in work efficiency and low in actual application value. Utility Model Content

[0003] The utility model provides a rolling mill side guide calibration tool to solve the problems of difficult reading, poor measuring accuracy and low working efficiency in the existing measuring process.

[0004] The technical solution of the utility model is: a rolling mill side guide calibration tool, including a cylinder, a calibration ruler and a positioning rod, there are two calibration rulers, the two calibration rulers are respectively sleeved on the two ends of the cylinder, the calibration ruler can slide in the cylinder, the positioning rod is vertically installed at the center of the cylinder, the positioning rod is provided with a slide groove, a sliding block is installed in the slide groove, sleeves are hinged on both sides of the sliding block, a sliding rod is slidably sleeved in the sleeve, and the free ends of the sliding rods on both sides are respectively hinged to the calibration rulers on both sides.

[0005] As a further improvement of the utility model, a first limiting hole is provided on the sleeve, and a second limiting hole is provided on the sliding rod. The first limiting hole and the second limiting hole are fastened and connected by bolts. After the bolt connection, the sleeve and the sliding rod are fixed and can no longer slide.

[0006] As a further improvement of the utility model, the sleeves on both sides are connected by a flexible pull rod, and the flexible pull rod is made of rubber material.

[0007] As a further improvement of the present utility model, clamping assemblies are symmetrically hinged at both ends of the cylinder body. The clamping assemblies mainly include: a swing plate and a pressing plate. The swing plate is directly hinged on the cylinder body. A limiting groove is provided on the swing plate. The pressing plate slides in the limiting groove. A spring is provided between the pressing plate and the top of the limiting groove. The pressing plate is driven by the spring. When the spring is released, the pressing plate is located at the lowermost end of the limiting groove.

[0008] As a further improvement of the present utility model, a fixing plate is provided on the swing plate. The fixing plate is located at the bottom of the limiting groove. When the spring is released, the pressing plate abuts against the fixing plate.

[0009] As a further improvement of the present utility model, grippers are symmetrically sleeved on both sides of the cylinder body. Anti-slip patterns are provided on the surfaces of the grippers.

[0010] The beneficial effects of the present utility model are as follows: The present utility model improves the original measurement method using a tape measure, and solves the problems of difficult reading, poor measurement accuracy, non-standard measurement results, and low work efficiency existing in the existing side guide measurement process. During use, it is convenient for manual holding, and can also be fixed on the device as needed during operation to prevent shaking during measurement. The structure of the present utility model is simple and compact. During measurement, the measurement results at both ends of the cylinder body are directly added, improving the measurement efficiency and having good practicability. Description of the Drawings

[0011] Figure 1 is the top view of a side guide calibration tool of the present utility model;

[0012] Figure 2 is the front view of a side guide calibration tool of the present utility model;

[0013] Figure 3 is the three-dimensional structure diagram of the swing plate in the calibration tool of the present utility model.

[0014] Reference numerals in the drawings: 1 - cylinder body; 2 - measuring scale; 3 - fixing plate; 4 - second limiting hole; 5 - gripper; 6 - fixing rod; 7 - sleeve; 8 - sliding rod; 9 - first limiting hole; 10 - slider; 11 - sliding groove; 12 - flexible pull rod; 13 - swing plate; 14 - pressing plate; 15 - limiting groove; 16 - clamping assembly. Detailed Description of the Embodiment

[0015] The following further detailed description of the present utility model will be made in conjunction with the drawings and specific embodiments.

[0016] As shown in Figure 1 — Figure 3As shown in the figure, a calibration tool for side guides of a rolling mill, characterized in that: it includes a cylinder body 1, a calibration ruler 2 and a positioning rod 6. There are two calibration rulers 2 in total. The two calibration rulers 2 are respectively sleeved at both ends of the cylinder body 1. The calibration ruler 2 can slide within the cylinder body 1. The positioning rod 6 is vertically installed at the central position of the cylinder body 1. There is a chute 11 on the positioning rod 6. A slider 10 is fitted in the chute 11. Sleeves 7 are hinged on both sides of the slider 10. A sliding rod 8 is slidably sleeved within the sleeve 7. The free ends of the sliding rods 8 on both sides are respectively hinged to the calibration rulers 2 on both sides.

[0017] There is a first limiting hole 4 on the sleeve 7, and a second limiting hole 9 on the sliding rod 8. The first limiting hole 4 and the second limiting hole 9 are fixedly connected by a bolt. After the bolt connection, the sleeve 7 and the sliding rod 8 are fixed and cannot slide anymore.

[0018] The sleeves 7 on both sides are connected by a flexible pull rod 12. The pull rod 12 is made of rubber material.

[0019] Clamping components 16 are symmetrically hinged at both ends of the cylinder body 1. The clamping component 16 includes: a swing plate 13 and a pressing plate 14. The swing plate 13 is directly hinged on the cylinder body 1. There is a limiting groove 15 on the swing plate 13. The pressing plate 14 slides within the limiting groove 15. A spring is provided between the pressing plate 14 and the top of the limiting groove 15. The entire clamping component 16 can be selectively retracted or operated depending on the actual measurement situation.

[0020] There is a fixing plate 3 on the swing plate 13. The fixing plate 3 is located at the bottom of the limiting groove 15. When in use, compress the spring, and the fixing plate 3 and the pressing plate 14 can be clamped at the measurement position to support the cylinder body 1.

[0021] Grasping hands 5 are symmetrically sleeved on both sides of the cylinder body 1. The surface of the grasping hands 5 is provided with anti-slip lines, which can increase the static friction during the measurement process and prevent falling off.

[0022] When it is necessary to support the cylinder body 1, swing the swing plate 13 outward. After adjusting to the clamping station, lift the pressing plate 14 to compress the spring, so that the pressing plate 14 slides along the limiting groove 15 to the clamping position, and fix the clamping component 16 to fix the position of the cylinder body 1. When in use, insert the sliding rod 8 into the sleeve 7, push the pull rod 12 to make the slider 10 slide along the chute 11. The slider 10 drives the sleeve 7 to move. The sliding rod 8 in the sleeve 7 moves to push the calibration rulers 2 on both sides to move along the cylinder body 1 in opposite directions. After the free ends of the calibration rulers 2 on both sides contact the measurement surface, use a pin to fix the first limiting hole 4 on the sleeve 7 and the second limiting hole 4 on the sliding rod 8, so that the calibration rulers 2 on both sides do not move again. At this time, the readings of the calibration rulers 2 on both sides plus the length of the cylinder body 1 itself are the measurement distance. After the measurement is completed, the pin can be taken out, and the calibration rulers 2 on both sides are pushed inward along the cylinder body 1 to the limit position to retract the device.

Claims

1. A rolling mill side guide calibration tool, characterized in that: The invention comprises a cylinder (1), a calibration ruler (2) and a positioning rod (6), wherein two calibration rulers (2) are provided, the two calibration rulers (2) are respectively sleeved at the two ends of the cylinder (1), the calibration ruler (2) can slide in the cylinder (1), the positioning rod (6) is vertically installed at the center of the cylinder (1), a slide groove (11) is provided on the positioning rod (6), a slide block (10) is matched and installed in the slide groove (11), sleeves (7) are hinged on both sides of the slide block (10), a sliding rod (8) is slidably sleeved in the sleeve (7), and the free ends of the sliding rods (8) on both sides are respectively hinged to the calibration rulers (2) on both sides.

2. A rolling mill side guide calibration tool according to claim 1, characterized in that: The sleeve (7) is provided with a first limiting hole (4), the sliding rod (8) is provided with a second limiting hole (9), and the first limiting hole (4) and the second limiting hole (9) are fastened and connected by bolts.

3. A rolling mill side guide calibration tool according to claim 2, characterized in that: The sleeves (7) on both sides are connected via a flexible pull rod (12).

4. A rolling mill side guide calibration tool according to any one of claims 1 to 3, characterized in that: The cylinder (1) has clamping assemblies (16) symmetrically hinged at both ends. The clamping assembly (16) comprises a swing plate (13) and a stop plate (14). The swing plate (13) is directly hinged on the cylinder (1). A limit groove (15) is provided on the swing plate (13). The stop plate (14) slides in the limit groove (15). Springs are provided at the tops of the stop plate (14) and the limit groove (15).

5. A rolling mill side guide calibration tool according to claim 4, characterized in that: A fixing plate (3) is provided on the swing plate (13), and the fixing plate (3) is located at the bottom of the limiting groove (15).

6. A rolling mill side guide calibration tool according to claim 1, characterized in that: Grippers (5) are symmetrically sleeved on both sides of the cylinder (1).

Images