CN215824222U

CN215824222U - Crystallizer liquid level control system with constant continuous casting speed

Info

Publication number: CN215824222U
Application number: CN202121627530.0U
Authority: CN
Inventors: 杨军功; 黄真凯; 甘小飞; 杨凯; 陈新年; 张新江; 郭珊珊
Original assignee: Shanxi Jinnan Iron and Steel Group Co Ltd
Current assignee: Shanxi Jinnan Iron and Steel Group Co Ltd
Priority date: 2021-07-17
Filing date: 2021-07-17
Publication date: 2022-02-15
Anticipated expiration: 2031-07-17

Abstract

The utility model relates to the technical field of crystallizers, and discloses a crystallizer liquid level control system with continuous casting and constant pulling speed, which comprises a crystallizer, a dummy bar head and a lifting mechanism, wherein the dummy bar head is arranged on the crystallizer; wherein the dummy bar head is movably inserted in the inner cavity of the crystallizer; the lifting mechanism is arranged in the middle of the inner cavity of the crystallizer and is in power connection with the dummy bar head. The servo motor works to drive the threaded screw rods to rotate, the two threaded screw rods can drive the two sliding blocks to move oppositely or oppositely in the rotating process, the two support arms are guaranteed to contract or expand, the height of the supporting plate is adjusted, and the supporting plate is lifted in the crystallizer, so that the dummy bar head can be driven to adjust the height, the operation is convenient and rapid, the operation is practical, and the automatic adjusting device is suitable for wide popularization and use.

Description

Crystallizer liquid level control system with constant continuous casting speed

Technical Field

The utility model relates to the technical field of crystallizers, in particular to a crystallizer liquid level control system with constant continuous casting speed.

Background

The crystallizer is defined as a trough-shaped vessel, the wall of which is provided with a jacket or in which coils are arranged, for heating or cooling the solution in the trough, and is a forced water-cooled bottomless ingot mold, which is one of the important parts of a continuous casting machine.

Through retrieval notice No. CN 210305691U, disclosed continuous casting crystallizer liquid level control device, though this utility model, at the in-process that the dummy bar head removed at the crystallizer inner chamber, can pass through the effect of dummy bar head altitude mixture control subassembly according to liquid level height value, drive the dummy bar head and remove at the inner chamber of crystallizer to carry on spacingly to the position of dummy bar head at the crystallizer inner chamber, the effectual accuracy of guaranteeing the dummy bar head at the crystallizer inner chamber and corresponding the height, the stability of corresponding the position.

However, the inventor finds that the technical scheme still has at least the following defects:

when adjusting the dummy bar head in this technical scheme, need operating personnel to carry out the degree of depth in the crystallizer of manual adjustment dummy bar head, there is the very inconvenient problem of adjustment to the difficult problem of height determination.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a crystallizer liquid level control system with a constant continuous casting pulling speed, which solves the problems in the background art.

In order to achieve the purpose, the utility model provides the following technical scheme: a liquid level control system of a crystallizer with constant continuous casting pulling speed comprises the crystallizer, a dummy bar head and a lifting mechanism;

wherein the dummy bar head is movably inserted in the inner cavity of the crystallizer; the lifting mechanism is arranged in the middle of the inner cavity of the crystallizer and is in power connection with the dummy bar head.

As a preferred embodiment of the present invention, the lifting mechanism includes a servo motor, two threaded screws with opposite thread directions, a support plate, and two support arms with equal length; the servo motor is horizontally fixed on the lower portion of the outer wall of the crystallizer, a driving end of the servo motor is fixed with the end portion of one of the threaded screw rods, the two threaded screw rods are welded with each other, and the supporting plate is movably inserted into the inner cavity of the crystallizer.

As a preferred embodiment of the present invention, the upper and lower ends of the two support arms are fixedly provided with a movable pin, the two end portions of the two support arms are movably hinged with the support plate and the slide blocks through the movable pin at the respective end portions, and the two slide blocks are respectively screwed with the two threaded screw rods.

As a preferred embodiment of the present invention, rollers are fixedly mounted in the middle of both side walls of the supporting plate, and the rollers are attached to the inner wall of the crystallizer.

As a preferred embodiment of the present invention, the supporting plate is provided with two horizontally aligned limiting holes, and two limiting insertion rods adapted to the limiting holes are fixed at the bottom of the dummy bar head.

Compared with the prior art, the utility model has the following beneficial effects:

1. when the depth of the dummy bar head in the crystallizer needs to be adjusted, the servo motor works to drive the threaded screw rods to rotate, the two threaded screw rods can drive the two sliding blocks to move oppositely or oppositely in the rotating process, the two support arms are ensured to contract or expand, the height of the supporting plate is adjusted, and the supporting plate is lifted in the crystallizer, so that the dummy bar head can be driven to adjust the height, the operation is convenient and rapid, and the problem that the adjustment is very inconvenient because an operator does not need to manually adjust the depth of the dummy bar head in the crystallizer is solved.

2. The utility model can move on the inner wall of the crystallizer through the rollers on the two side walls in the process that the supporting plate is lifted in the crystallizer, thereby ensuring the stable and flexible lifting height of the supporting plate and avoiding the problem of abrasion between the supporting plate and the inner wall of the crystallizer.

Drawings

Other features, objects and advantages of the utility model will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

FIG. 1 is a front view of a crystallizer liquid level control system for continuous casting at a constant casting speed according to the present invention;

FIG. 2 is a schematic diagram of a front cross-sectional view of a crystallizer of a continuous casting constant-casting-speed crystallizer liquid level control system according to the present invention;

fig. 3 is an enlarged structural schematic diagram of a position A of a crystallizer liquid level control system for continuous casting with a constant pulling speed in the utility model.

In the figure: 1. a crystallizer; 2. a dummy bar head; 3. a servo motor; 4. a threaded lead screw; 5. a movable pin shaft; 6. a support plate; 7. a support arm; 8. a slider; 9. a limiting inserted rod; 10. a limiting hole; 11. and a roller.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the utility model easy to understand, the utility model is further described with the specific embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a liquid level control system of a crystallizer with constant continuous casting pulling speed comprises a crystallizer 1, a dummy bar head 2 and a lifting mechanism;

wherein, the dummy bar head 2 is movably inserted in the inner cavity of the crystallizer 1; the lifting mechanism is arranged in the middle of the inner cavity of the crystallizer 1 and is in power connection with the dummy bar head 2.

As shown in fig. 1 and 2, in the present embodiment, the lifting mechanism includes a servo motor 3, two threaded screws 4 with opposite thread directions, a support plate 6 and two support arms 7 with equal length; the servo motor 3 is horizontally fixed on the lower portion of the outer wall of the crystallizer 1, the driving end of the servo motor 3 is fixed with the end portion of one of the threaded screw rods 4, the two threaded screw rods 4 are welded with each other, and the supporting plate 6 is movably inserted into the inner cavity of the crystallizer 1.

As shown in fig. 1, in the specific embodiment, the upper and lower ends of the two support arms 7 are both fixedly provided with a movable pin 5, the two end portions of the two support arms 7 are respectively movably hinged with a support plate 6 and a slide block 8 through the movable pin 5 at the respective end portion, and the two slide blocks 8 are respectively screwed and sleeved with the two threaded screw rods 4. In this setting, support arm 7 can be through the nimble angle of adjustment of activity round pin axle 5 between slider 8 and layer board 6 to promote the height to layer board 6, can also ensure nimble adjustment nature when guaranteeing good support nature.

As shown in fig. 1 and 3, further, rollers 11 are fixedly mounted in the middle of two side walls of the supporting plate 6, the rollers 11 are attached to the inner wall of the crystallizer 1, two horizontally aligned limiting holes 10 are formed in the supporting plate 6, and two limiting insertion rods 9 adapted to the limiting holes 10 are fixed at the bottom of the dummy bar head 2. In the setting, the supporting plate 6 can move on the inner wall of the crystallizer 1 through the rollers 11 on the two side walls in the lifting process of the supporting plate 6 in the crystallizer 1, so that the stable and flexible lifting height of the supporting plate 6 is ensured, and the problem of abrasion between the supporting plate 6 and the inner wall of the crystallizer 1 is avoided.

It should be noted that the present invention is a crystallizer liquid level control system with continuous casting and constant pulling speed, each of which is a universal standard component or a component known to those skilled in the art, and the structure and principle of the system are known to those skilled in the art through technical manuals or through routine experimental methods.

The working principle is as follows: when the depth of the dummy bar head 2 in the crystallizer 1 needs to be adjusted, the servo motor 3 works to drive the threaded screw rods 4 to rotate, the two threaded screw rods 4 can drive the two sliding blocks 8 to move oppositely or oppositely in the rotating process, so that the two support arms 7 can be ensured to contract or expand, the height of the support plate 6 can be adjusted, and the support plate 6 can lift in the crystallizer 1, so that the dummy bar head 2 can be driven to adjust the height, the operation is convenient and rapid, and the problem that the adjustment is very inconvenient because an operator needs to manually adjust the depth of the dummy bar head 2 in the crystallizer 1 is solved;

and the supporting plate 6 can move on the inner wall of the crystallizer 1 through the rollers 11 on the two side walls in the process of lifting in the crystallizer 1, so that the stable and flexible lifting height of the supporting plate 6 is ensured, and the problem of abrasion between the supporting plate 6 and the inner wall of the crystallizer 1 is avoided.

While there have been shown and described what are at present considered the fundamental principles and essential features of the utility model and its advantages, it will be apparent to those skilled in the art that the utility model is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a crystallizer liquid level control system of constant casting speed which characterized in that: comprises a crystallizer (1), a dummy bar head (2) and a lifting mechanism;

wherein the dummy bar head (2) is movably inserted in the inner cavity of the crystallizer (1); the lifting mechanism is arranged in the middle of the inner cavity of the crystallizer (1), and the lifting mechanism is in power connection with the dummy bar head (2).

2. The system for controlling the liquid level of the crystallizer for continuous casting at the constant casting speed according to claim 1, wherein: the lifting mechanism comprises a servo motor (3), two threaded screw rods (4) with opposite thread directions, a supporting plate (6) and two supporting arms (7) with equal length; the servo motor (3) is horizontally fixed on the lower portion of the outer wall of the crystallizer (1), the driving end of the servo motor (3) is fixed to the end portion of one of the threaded screw rods (4), the two threaded screw rods (4) are welded to each other, and the supporting plate (6) is movably inserted into the inner cavity of the crystallizer (1).

3. The system for controlling the liquid level of the crystallizer for continuous casting at the constant casting speed according to claim 2, wherein: the upper end and the lower end of each of the two support arms (7) are fixedly provided with a movable pin shaft (5), the two end parts of each of the two support arms (7) are movably hinged with the supporting plate (6) and the sliding block (8) through the movable pin shafts (5) at the respective end parts, and the two sliding blocks (8) are respectively screwed, sleeved and connected with the two threaded screw rods (4).

4. The system for controlling the liquid level of the crystallizer for continuous casting at the constant casting speed according to claim 2, wherein: the middle parts of two side walls of the supporting plate (6) are fixedly provided with rollers (11), and the rollers (11) are attached to the inner wall of the crystallizer (1).

5. The liquid level control system of the crystallizer for continuous casting at the constant pulling speed according to claim 4, wherein: two horizontally aligned limiting holes (10) are formed in the supporting plate (6), and two limiting insertion rods (9) matched with the limiting holes (10) are fixed at the bottom of the dummy bar head (2).