CN219378909U

CN219378909U - Billet counting mechanism of continuous casting cooling bed

Info

Publication number: CN219378909U
Application number: CN202320725522.2U
Authority: CN
Inventors: 冯涛; 韩一飞; 王亚东; 王卫华; 李雪; 李凤敏; 佟鑫
Original assignee: Wuhai Baogang Wanteng Steel Co ltd
Current assignee: Wuhai Baogang Wanteng Steel Co ltd
Priority date: 2023-04-05
Filing date: 2023-04-05
Publication date: 2023-07-21
Anticipated expiration: 2033-04-05

Abstract

The utility model belongs to the technical field of continuous casting operation of steel mills, and particularly relates to a billet counting mechanism of a continuous casting cooling bed. It is suitable for use in high pollution environment in steel mill, and has less wear and accurate billet counting. Comprises a counting mechanism body positioned between two adjacent casting blank conveying roller ways; the counting mechanism body comprises a mounting frame, and the top of the mounting frame is hinged with the middle part of a wane; the first end of the seesaw is hinged with a detection rod, and the detection rod keeps vertical downward under the action of gravity; the free end of the detection rod is provided with a detection block; the mounting frame is provided with a first sensor for detecting the detection block; a reset tension spring is arranged between the mounting frame and the detection rod, one end of the reset tension spring is connected with the rocker, and the other end of the reset tension spring is connected with the mounting frame; under the action of the reset tension spring, the second end of the rocker is lifted and higher than the conveying roller way.

Description

Billet counting mechanism of continuous casting cooling bed

Technical Field

The utility model belongs to the technical field of continuous casting operation of steel mills, and particularly relates to a billet counting mechanism of a continuous casting cooling bed.

Background

In a steel mill, a billet continuous casting machine consists of a plurality of flows, the section of the billet continuous casting machine is more than 100mm to 200mm, the specified length of the billet continuous casting machine is different from 4 to 12 m, and the billet productivity of each day is different from hundreds of tons to tens of thousands of tons. After each billet is cast from the tundish into the crystallizer for cooling, the steel is forced to be cooled again by the secondary cooling chamber, and the molten steel is completely solidified. And then the steel is pulled out from the withdrawal and straightening machine and is cut into different fixed sizes according to the requirement of steel rolling, and the steel is conveyed through a conveying roller way. And (3) directly delivering one part of the hot cast blank to a steel rolling heating furnace, cooling the other part of the hot cast blank by a turnover cooling bed, and finally delivering the hot cast blank to a blank distributor for travelling, lifting and stacking. And counting and warehousing the steel billets in the stack, and calculating the yield.

The safety requirements of the steel enterprises are very strict, and with the appearance of automatic detection and counting of equipment, the steel enterprises adopt the offline billet counter of the continuous casting area to replace manual counting, so that unnecessary manpower is reduced, and the operation safety is improved.

In the current steel mill, a mode of setting signal points at the joint of the overturning cooling bed and the blank distributor is generally adopted, and the blanks are collected in place through a proximity switch or a photoelectric switch and transmitted to a host computer for accumulated counting. The service life of the proximity switch or the photoelectric switch is reduced due to the fact that the proximity switch or the photoelectric switch is installed close to a high-temperature casting blank, and the proximity switch or the photoelectric switch needs to be replaced frequently. And because the steelworks are high pollution environment, the emission head of the photoelectric switch can be triggered by dust pollution to cause inaccurate counting.

Disclosure of Invention

The utility model provides a billet counting mechanism of a continuous casting cooling bed, aiming at the defects existing in the prior art.

In order to achieve the purpose, the utility model adopts the following technical scheme that the counting mechanism comprises a counting mechanism body positioned between two adjacent casting blank conveying roller ways; the counting mechanism is characterized in that the counting mechanism body comprises a mounting frame, and the top of the mounting frame is hinged with the middle part of a wane; the first end of the seesaw is hinged with a detection rod, and the detection rod keeps vertical downward under the action of gravity; the free end of the detection rod is provided with a detection block; and a first sensor for detecting the detection block is arranged on the mounting frame.

A reset tension spring is arranged between the mounting frame and the detection rod, one end of the reset tension spring is connected with the rocker, and the other end of the reset tension spring is connected with the mounting frame; under the action of the reset tension spring, the second end of the rocker is lifted and higher than the conveying roller way.

Further, after the casting blank is conveyed to the second end of the rocker through the conveying roller way, the second end of the rocker is pressed down, the detection rod drives the detection block to rise in place, and the sensor detects a signal.

Further, a second sensor for detecting the initial position of the detection block is further arranged on the mounting frame, and the initial position of the detection block is the position where the detection block is located when the second end of the rocker is not stressed.

Furthermore, the first sensor and the second sensor are fixed on the mounting frame by adopting a sensor bracket.

Furthermore, the first sensor and the second sensor are both proximity sensors, and the detection block is made of metal.

Further, the rocker adopts a V-shaped plate structure.

Further, the mounting frame adopts a fixed vertical rod.

Further, a horizontal support arm is fixed on the mounting frame, one end of the horizontal support arm is fixed on the mounting frame, a guide sleeve is arranged at the other end of the horizontal support arm, and the detection rod (specifically, the outer wall of the guide sleeve is fixedly connected with the horizontal support arm) is penetrated by the guide sleeve, and the guide sleeve is used for assisting in keeping the detection rod vertically downwards.

Further, one end of the spring of the reset tension spring is connected with the rocker, and the other end of the reset tension spring is connected with the horizontal support arm.

Further, the rocker second end is provided with a roller.

The roller is arranged to change sliding friction into rolling friction, so that abrasion to the end part of the seesaw is reduced.

Compared with the prior art, the utility model has the beneficial effects.

The utility model has simple mechanism, stable structure and reliable operation.

The utility model has convenient installation, is suitable for being used in high pollution environment of steel factories, has less abrasion and accurate billet counting.

Drawings

The utility model is further described below with reference to the drawings and the detailed description. The scope of the present utility model is not limited to the following description.

Fig. 1 is a schematic view of a cast slab on a roll table without traveling to the second end of the rocker.

Fig. 2 is a schematic view of the billet on the roll table traveling and pushing down the second end of the rocker.

Fig. 3 is a schematic view of the cast slab on the roll table after passing through the second end of the rocker.

Fig. 4 is a schematic diagram of the positions of the counting mechanism body and the conveying roller way.

In the figure, 1 is a casting blank, 2 is a conveying roller way, 3 is a counting mechanism body, 4 is a roller, 5 is a fixed upright, 6 is a support arm, 7 is a tension spring, 8 is a first hinge shaft, 9 is a second hinge shaft, 10 is a guide sleeve, 11 is a detection rod, 12 is a detection block, 13 is a first sensor, 14 is a second sensor, 15 is a sensor bracket, and 16 is a rocker.

Description of the embodiments

As shown in fig. 1-4, the continuous casting cooling bed billet counting mechanism: the counting mechanism comprises a counting mechanism body 3 positioned between two adjacent casting blank conveying roller tables 2; the counting mechanism body 3 comprises a mounting frame, and the top of the mounting frame is hinged with the middle part of a wane 16; the first end of the rocker 16 is hinged with a detection rod 11, and the detection rod 11 keeps vertical downward under the action of gravity; the free end of the detection rod 11 is provided with a detection block 12; the mounting frame is provided with a first sensor 13 for detecting the detection block 12. A reset tension spring 7 is arranged between the mounting frame and the detection rod 11, one end of the reset tension spring 7 is connected with a rocker 16, and the other end of the reset tension spring 7 is connected with the mounting frame; under the action of the reset tension spring 7, the second end of the rocker 16 is tilted and higher than the conveying roller way 2.

In actual production, a balancing weight can be arranged on the detection rod 11 to weight the detection rod 11 to replace a reset tension spring or to supplement reset of the reset tension spring; so that in the natural state, the second end of the rocker 16 is tilted up and exposed out of the conveying pipeline, when the casting blank 1 passes through, the second end of the rocker 16 is pressed down, the detection rod 11 is lifted up, and counting is triggered.

Sensor setup instructions:

1. after the casting blank 1 is transmitted to the second end of the rocker 16 through the conveying roller way 2, the second end of the rocker 16 is pressed down, the detection rod 11 drives the detection block 12 to rise in place, and the sensor I13 detects a signal. One scheme is as follows: this signal may be referred to as a billet count signal.

2. The mounting frame is also provided with a second sensor 14 for detecting the initial position of the detection block 12, and the initial position of the detection block 12 is the position where the detection block 12 is located when the second end of the rocker 16 is not stressed (i.e. the billet is not pressed on the second end of the rocker 16), and is used for judging the initial position of the mechanism. The first sensor 13 and the second sensor 14 are both proximity sensors, and the detection block 12 is made of metal. The first sensor 13 and the second sensor 14 are fixed on the mounting frame by a sensor bracket 15. Since the sensor holder 15 belongs to the prior art, it is not described in detail here. The arrangement of the sensor bracket 15 enables the sensor to be closer to the detection metal block, is convenient for detection, and improves the detection sensitivity.

In embodiment 1, the rocker 16 has a V-shaped plate structure. Or at least to ensure that: the first and second ends of rocker 16 are not in a horizontal line. So that the rocker 16 forms a see-saw structure after being hinged to the mounting frame.

Embodiment 2, mounting bracket adopt fixed pole setting 5. The fixed vertical rod 5 is provided with a horizontal support arm 6, one end of the horizontal support arm 6 is fixed on the fixed vertical rod 5, the other end of the horizontal support arm 6 is provided with a guide sleeve 10, specifically, the guide sleeve 10 is vertically arranged, and the outer wall of the guide sleeve 10 is fixedly connected with the horizontal support arm 6. The detection rod 11 is penetrated by a guide sleeve 10, and the guide sleeve 10 is used for assisting in keeping the detection rod 11 in a vertically downward state. One end of the return tension spring is connected with the rocker 16, and the other end of the return tension spring 7 is connected with the horizontal support arm 6. And the reset tension spring keeps a vertical state.

Embodiment 3, rocker 16 is provided with roller 4 at the second end. The roller 4 is arranged to change sliding friction into rolling friction, so that abrasion to the end part of the rocker 16 is reduced.

Example 4, working procedure.

1. When the casting blank 1 is transported from the left to the right by the conveying roller way 2, the front part of the casting blank 1 is contacted with the second end part of the rocker 16 (namely, the part of the rocker 16 exposed out of the upper surface of the roller way). The casting 1 continues to be transported forward, and the casting 1 presses down the right end of the rocker 16.

2. The right end of the rocker 16 is pressed down, so that the rocker 16 rotates clockwise by taking the first hinge shaft as a rotation center, the left end of the rocker 16 is connected with the guide rod (namely the detection rod 11) through the second hinge shaft, and the guide rod is stretched upwards for a certain distance in the clockwise rotation process of the rocker 16.

3. The guide bar is moved upwardly within the guide sleeve 10.

4. The sensing head (i.e., the sensing block 12) mounted at the lower end of the guide bar moves upward a certain distance therewith. So that the induction head corresponds to the first sensor 13, the first sensor 13 is triggered to output a signal, (when no casting blank 1 passes through, the guide rod does not stretch upwards for a distance, and at the moment, the induction head corresponds to the second sensor 14, and the second sensor 14 is triggered to output a signal).

5. Every time the casting blank 1 passes through 1, the sensor 13 is triggered 1 time to output signals 1 time, and the number of the signals is counted 1 time.

6. After the casting blank 1 passes through, the rocker 16 is restored to the original state (the right end extends out of the surface of the roller line body) due to the left and right sides of the reset tension spring 7.

7. The roller 4 is arranged at the right end of the rocker 16, so that sliding friction is changed into rolling friction in the process of passing the casting blank 1, and abrasion to the end part of the connecting rod is reduced.

The automatic counting device is used for the continuous casting operation area of the steel mill, and the number of billets is automatically counted by the automatic counting device, so that personnel monitoring operation is reduced. And the counting is accurate, and the problems of high abrasion and inaccurate counting of the original counting equipment are solved.

It should be understood that the foregoing detailed description of the present utility model is provided for illustration only and is not limited to the technical solutions described in the embodiments of the present utility model, and those skilled in the art should understand that the present utility model may be modified or substituted for the same technical effects; as long as the use requirement is met, the utility model is within the protection scope of the utility model.

Claims

1. A billet counting mechanism of a continuous casting cooling bed comprises a counting mechanism body positioned between two adjacent casting blank conveying roller ways; the method is characterized in that: the counting mechanism body comprises a mounting frame, and the top of the mounting frame is hinged with the middle part of a wane; the first end of the seesaw is hinged with a detection rod, and the detection rod keeps vertical downward under the action of gravity; the free end of the detection rod is provided with a detection block; the mounting frame is provided with a first sensor for detecting the detection block;

2. The continuous casting cooling bed billet counting mechanism according to claim 1, wherein: after the casting blank is transmitted to the second end of the seesaw through the conveying roller way, the second end of the seesaw is pressed down, the detection rod drives the detection block to rise in place, and the sensor detects a signal.

3. A continuous casting cooling bed billet counting mechanism according to any one of claims 1-2, wherein: and a second sensor for detecting the initial position of the detection block is further arranged on the mounting frame, and the initial position of the detection block is the position where the detection block is positioned when the second end of the seesaw is not stressed.

4. A continuous casting cooling bed billet counting mechanism according to claim 3, wherein: the first sensor and the second sensor are fixed on the mounting frame by adopting a sensor bracket.

5. A continuous casting cooling bed billet counting mechanism according to claim 3, wherein: the first sensor and the second sensor are both proximity sensors, and the detection block is made of metal materials.

6. A continuous casting cooling bed billet counting mechanism according to any one of claims 1-2, wherein: the wane adopts V-shaped plate structure.

7. A continuous casting cooling bed billet counting mechanism according to any one of claims 1-2, wherein: the mounting frame adopts a fixed vertical rod.

8. A continuous casting cooling bed billet counting mechanism according to any one of claims 1-2, wherein: the device is characterized in that a horizontal support arm is fixed on the mounting frame, one end of the horizontal support arm is fixed on the mounting frame, a guide sleeve is arranged at the other end of the horizontal support arm, the detection rod passes through the guide sleeve, and the guide sleeve is used for assisting in keeping the detection rod vertically downwards.

9. The continuous casting cooling bed billet counting mechanism according to claim 8, wherein: one end of the return tension spring is connected with the rocker, and the other end of the return tension spring is connected with the horizontal support arm.

10. A continuous casting cooling bed billet counting mechanism according to any one of claims 1-2, wherein: the rocker second end is provided with the gyro wheel.