Heavy pressing equipment for solidification tail end of rectangular blank

Abstract

The utility model discloses heavy pressing equipment for a solidification tail end of a rectangular blank, which comprises a bottom plate, a support frame is arranged on the bottom plate, an upper pressing roller and a lower pressing roller are respectively arranged on the support frame and are vertically flush, the upper pressing roller is connected with a lifting mechanism to drive the upper pressing roller to lift up and down, and the lower pressing roller is connected with a lower pressing roller to drive the lower pressing roller to lift up and down. A collecting hopper located below the lower pressing roller is arranged on the supporting frame, a crushing mechanism is arranged in the collecting hopper, and one end of the stirring mechanism extends to the outer side of the collecting hopper to be connected with a motor. When the heavy pressure equipment for the solidification tail end of the rectangular blank is used, segregation generated at the solidification tail end of the casting blank can be relieved, oxide skin is concentrated, and the heavy pressure equipment has the advantage of improving the internal quality of the casting blank.

Description

TECHNICAL FIELD

[0001] The utility model relates to steelmaking technical field, concretely for a kind of heavy pressure equipment for rectangular billet solidification end. BACKGROUND

[0002] When steel rectangular billet is produced by continuous casting machine and is conveyed to outside by conveying mechanism, shell is formed on the outer layer of billet, but the inside of rectangular billet has not been cooled completely, if with liquid steel natural cooling, the element content in the inside of billet will be higher than that of edge of casting billet, which is easy to cause center segregation, at present, most of them adopt press-down technology to change center segregation, press-down technology is to exert a downward large pressure on casting billet by hydraulic cylinder in the later stage of casting billet solidification, to reduce segregation generated at the end of billet solidification, when billet bears the pressure of press-down technology, some scales are generated on the skin of side, and the scales fall on the ground, and staff need to clean the ground frequently, therefore, the application provides a heavy pressure equipment for collecting scales. SUMMARY

[0003] In view of the defects of the prior art, the utility model provides a heavy pressure equipment for rectangular billet solidification end, which is convenient for concentrating scales.

[0004] To achieve the above object, the utility model realizes the following technical scheme: a heavy pressure equipment for rectangular billet solidification end, comprising a bottom plate, a supporting frame is arranged on the bottom plate, an upper pressing roller and a lower pressing roller are respectively arranged on the supporting frame, the upper pressing roller and the lower pressing roller are arranged in a vertical manner, a lifting mechanism is connected to the upper pressing roller, the lifting mechanism drives the upper pressing roller to move up and down, a collecting hopper is arranged below the lower pressing roller on the supporting frame, a crushing mechanism is arranged in the collecting hopper, one end of the stirring mechanism extends to the outside of the collecting hopper and is connected to a motor.

[0005] The stirring mechanism comprises a transmission column coaxially connected to the motor, and a rotating rod is arranged on the transmission column.

[0006] Preferably, a supporting plate is arranged above the supporting frame, and the lifting mechanism is arranged on the supporting plate.

[0007] Preferably, the lifting mechanism comprises a vertical hydraulic rod.

[0008] Preferably, the supporting frame comprises four supporting rods arranged in a rectangular array, two adjacent supporting rods are connected by a first connecting rod, and the lower pressing roller is installed on the first connecting rod through a first bearing seat.

[0009] Preferably, an arc-shaped block is arranged on the front side of the rear supporting rod and the rear side of the front and rear supporting rods.

[0010] Preferably, a movable scraping plate is arranged on the right supporting rod.

[0011] Preferably, the opposite sides of the scraping plate are connected with horizontal rods, the horizontal rods are sleeved on the limiting columns, the horizontal rods are clamped with U-shaped blocks, bearings are arranged on the lower sides of the U-shaped blocks, bolts are inserted into the bearings, and threaded holes matched with the bolts are arranged on the support rods.

[0012] The utility model provides a heavy pressure equipment for rectangular blank solidification end, has the following beneficial effects:

[0013] The heavy pressure equipment for rectangular blank solidification end provides guidance for the billet when conveying between the upper compression roller and the lower compression roller, avoids the billet from colliding with the support frame as far as possible, can accurately control the moving amount of the upper compression roller when the lifting mechanism drives the upper compression roller to lift through the setting of displacement sensor, thereby exerts certain pressure on the billet, has the advantage of improving the internal quality of the casting blank, and the oxide skin generated after the billet is subjected to pressure can be collected and treated in the collecting hopper, can scrape the oxide skin that has not completely fallen off from the side of the billet through the setting of the scraping plate, concentrates the oxide layer in the collecting hopper as far as possible, can break the larger oxide skin through the setting of the motor, transmission column and rotating rod, and the oxide skin is conveniently collected in the collecting hopper, has the advantage of improving the internal quality of the casting blank. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a structural schematic diagram of the utility model;

[0015] Figure 2 It is the utility model Figure 1 It is an enlarged structural schematic diagram of A in the utility model;

[0016] Figure 3 It is a top view structural schematic diagram of the utility model;

[0017] Figure 4 It is a front view structural schematic diagram of the utility model;

[0018] Figure 5 It is a front view structural schematic diagram of the utility model at the threaded hole;

[0019] Figure 6 It is a collecting hopper cross section structural schematic diagram of the utility model.

[0020] In the drawing: 1, bottom plate; 2, support frame; 3, upper compression roller; 4, lower compression roller; 5, collecting hopper; 6, motor; 7, transmission column; 8, rotating rod; 9, support rod; 10, first connecting rod; 11, first bearing seat; 12, support plate; 13, hydraulic rod; 14, arc block; 15, scraping plate; 16, horizontal rod; 17, limiting column; 18, U-shaped block; 19, bearing; 20, bolt; 21, threaded hole; 22, second bearing seat. DETAILED DESCRIPTION

[0021] The utility model will be further described below in combination with specific embodiments, such as Figures 1 to 6 As shown in the figure:

[0022] Embodiment 1: a heavy pressing equipment for rectangular billet solidification end, including bottom plate 1, be equipped with support frame 2 on bottom plate 1, be equipped with upper press roll 3 and lower press roll 4 respectively on support frame 2, upper press roll 3 and lower press roll 4 are set up in alignment, wherein upper press roll 3 is connected with lifting mechanism, drives upper press roll 3 to go up and down, adjusts the interval between upper press roll 3 and lower press roll 4, when steel billet passes between upper press roll 3 and lower press roll 4, the downward pressure is applied to steel billet by upper press roll 3 to reduce the segregation generated at the solidification end of casting billet;

[0023] Be equipped with displacement sensor on lifting mechanism, the working principle of displacement sensor is not shown in the figure, its installation method is not described here, for detecting the distance of the downward movement of upper press roll 3, to accurately control the downward movement of upper press roll 3;

[0024] Be equipped with collecting hopper 5 below lower press roll 4 on support frame 2, the oxide skin generated by steel billet under heavy pressure falls down naturally, can directly fall in collecting hopper 5, facilitates centralized processing, reduces the cleaning workload of staff as far as possible;

[0025] Be equipped with crushing mechanism in collecting hopper 5, one end of stirring mechanism is extended to the outside of collecting hopper 5 and is connected with motor 6;

[0026] Stirring mechanism includes transmission column 7 coaxially connected with motor 6, is equipped with rotary rod 8 on transmission column 7;

[0027] After larger material falls in collecting hopper 5, motor 6 can drive rotary rod 8 to rotate through transmission column 7, to break the larger oxide skin;

[0028] Be equipped with discharge port on the downside of collecting hopper 5, is equipped with baffle on discharge port, to facilitate the oxide skin after breaking to discharge.

[0029] Embodiment 2: a heavy pressing equipment for rectangular billet solidification end, including bottom plate 1, be equipped with support frame 2 on bottom plate 1, be equipped with upper press roll 3 and lower press roll 4 respectively on support frame 2, upper press roll 3 and lower press roll 4 are set up in alignment;

[0030] Support frame 2 includes four support rods 9 that are distributed in rectangular array, two adjacent support rods 9 are connected through first connecting rod 10, and lower press roll 4 is installed on the front and rear two first connecting rods 10 through first bearing seat 11, to facilitate the rotation of lower press roll 4, reduce the resistance of steel billet conveying, the height of left and right two first connecting rods 10 is lower than the upper surface of lower press roll 4;

[0031] The front side of the rear support rod 9 and the rear side of the front and rear support rod 9 are provided with arc-shaped blocks 14, which are not lower than the upper surface of the lower pressing roller 4;

[0032] Through the setting of the arc-shaped blocks 14, the movement of the steel billet between the upper pressing roller 3 and the lower pressing roller 4 is guided, and the deviation of the steel billet is prevented as much as possible;

[0033] The upper pressing roller 3 is connected with a lifting mechanism, which drives the upper pressing roller 3 to move up and down, adjusts the distance between the upper pressing roller 3 and the lower pressing roller 4, and applies downward pressure to the steel billet by the upper pressing roller 3 when the steel billet passes between the upper pressing roller 3 and the lower pressing roller 4, so as to reduce the segregation generated at the solidification end of the steel billet;

[0034] The support frame 2 is provided with a support plate 12 above, and the lifting mechanism is arranged on the support plate 12, which includes a vertically arranged hydraulic rod 13;

[0035] Both ends of the upper pressing roller 3 are connected with second bearing seats 22, and a connecting plate is arranged on the upper side of the second bearing seat 22, which is connected with the hydraulic rod 13;

[0036] A displacement sensor is arranged on the lifting mechanism, which is used to detect the distance of the downward movement of the upper pressing roller 3, so as to accurately control the downward movement amount of the upper pressing roller 3;

[0037] A collecting hopper 5 is arranged on the support frame 2 below the lower pressing roller 4, and the scale generated by the steel billet under heavy pressure naturally falls down and directly falls into the collecting hopper 5, which is convenient for centralized treatment and reduces the cleaning workload of the staff as much as possible;

[0038] A crushing mechanism is arranged in the collecting hopper 5, and one end of the stirring mechanism extends to the outside of the collecting hopper 5 and is connected with a motor 6;

[0039] The stirring mechanism includes a transmission column 7 coaxially connected with the motor 6, and a rotating rod 8 is arranged on the transmission column 7;

[0040] After the larger materials fall into the collecting hopper 5, the motor 6 can drive the rotating rod 8 to rotate through the transmission column 7, so as to crush the larger scale;

[0041] The right side support rod 9 is provided with a movable scraping plate 15;

[0042] When the scale generated on the surface of the steel billet under heavy pressure has not been removed, the scraping plate 15 can scrape the scale, so as to concentrate the scale in the collecting hopper 5 as much as possible;

[0043] The opposite side of the scraper 15 is connected with a cross bar 16, the cross bar 16 is horizontally arranged along the left-right direction, the cross bar 16 is sleeved on the limiting column 17, the cross bar 16 is clamped with a "U" shaped block 18, the bearing 19 is arranged on the lower side of the "U" shaped block 18, the bolt 20 is inserted in the bearing 19, the threaded hole 21 matched with the bolt 20 is arranged on the supporting rod 9;

[0044] The discharge port is arranged on the lower side of the collecting hopper 5, the baffle is arranged on the discharge port, so that the oxide skin after being broken can be discharged.

[0045] Working principle:

[0046] 1. The plurality of devices are arranged at intervals on the conveying track of the billet, the billet passes through the device from the left side when conveying outward, the arc-shaped block 14 can guide the billet to pass between the upper compression roller 3 and the lower compression roller 4, the hydraulic rod 13 drives the upper compression roller 3 to move downward, the downward movement is pre-set, the displacement sensor can accurately detect the downward movement of the upper compression roller 3, when the billet passes between the upper compression roller 3 and the lower compression roller 4, the upper compression roller 3 can exert downward pressure on the billet, so as to reduce the segregation generated at the solidification end of the billet;

[0047] 2. The oxide skin generated by the pressure on the billet can directly fall into the collecting hopper 5, the rotating rod 8 driven by the motor 6 can break the larger oxide skin falling into the collecting hopper 5, so as to be concentrated at the bottom of the collecting hopper 5;

[0048] 3. In order to prevent the oxide skin on the side of the billet from falling outside the collecting hopper 5, when the billet moves to the right side of the device, the position of the scraper 15 is adjusted by rotating the bolt 20, so that the scraper 15 can scrape the oxide skin which has not been completely separated, and the oxide skin is concentrated in the collecting hopper 5 as much as possible;

[0049] 4. It should be noted that the heights of the upper compression rollers 3 of the plurality of devices are inconsistent, the upper compression rollers on the device first contacting the billet to the device last contacting the billet are arranged in a stepped descending manner.

[0050] The above is only the preferred specific implementation manner of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A heavy press apparatus for the solidification end of a rectangular bloom, characterized by: The utility model provides a kind of papermaking machine, including bottom plate (1), the bottom plate (1) is equipped with support frame (2), upper press roll (3) and lower press roll (4) are respectively equipped in the support frame (2), upper press roll (3) and lower press roll (4) are arranged in upper and lower flush, wherein upper press roll (3) is connected with lifting mechanism, drives upper press roll (3) to go up and down, collecting hopper (5) is equipped in support frame (2) below lower press roll (4), breaking mechanism is equipped in the collecting hopper (5), one end of stirring mechanism extends to the outside of collecting hopper (5) and is connected with motor (6); The stirring mechanism includes a transmission column (7) coaxially connected to the motor (6), and a rotating rod (8) is provided on the transmission column (7).

2. A heavy press apparatus for the solidification end of a rectangular bloom according to claim 1, characterized in that: A support plate (12) is provided above the support frame (2), and the lifting mechanism is provided on the support plate (12).

3. A heavy press apparatus for the solidification end of a rectangular bloom according to claim 1, wherein: The lifting mechanism includes a vertically arranged hydraulic rod (13).

4. A heavy press apparatus for the solidification end of a rectangular slab according to claim 1, wherein: The support frame (2) includes four support rods (9) arranged in a rectangular array, two adjacent support rods (9) are connected by a first connecting rod (10), and the lower press roll (4) is installed on the first connecting rod (10) by a first bearing seat (11).

5. A heavy press apparatus for the solidification end of a rectangular bloom according to claim 4, characterized in that: An arc-shaped block (14) is provided on the front side of the rear support rod (9) and the rear side of the front and rear support rods (9).

6. A heavy press apparatus for the solidification end of a rectangular bloom according to claim 4, wherein: A movable scraping plate (15) is provided on the right side of the support rod (9).

7. A heavy press apparatus for the solidification end of a rectangular bloom according to claim 6, characterized in that: The scraping plate (15) is connected with a horizontal rod (16) on the side opposite to it, the horizontal rod (16) is sleeved on a limiting column (17), a "U"-shaped block (18) is clamped on the horizontal rod (16), a bearing (19) is provided on the lower side of the "U"-shaped block (18), a bolt (20) is inserted into the bearing (19), and a threaded hole (21) matched with the bolt (20) is provided on the support rod (9).

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