CN113953471A - Material conveying device of slag adding machine for continuous casting crystallizer - Google Patents

Abstract

The invention provides a material conveying device of a slag adding machine for a continuous casting crystallizer. Wherein, defeated material mechanism has included conveying pipeline, defeated material motor, and the discharge end of conveying pipeline still is connected with the discharging pipe. The swing mechanism comprises a swing motor, a screw rod sliding seat and a push rod, wherein the screw rod sliding seat is connected with the material conveying pipe through the push rod, so that the material conveying pipe is controlled to swing up and down around the base through the push rod. The sliding mechanism comprises a pulley and an arc-shaped sliding groove, the pulley is sleeved on the discharging pipe, and the pulley is clamped with the arc-shaped sliding groove arranged on the bottom plate. According to the invention, the spiral auger is driven to rotate by the material conveying motor, so that the material in the material conveying pipe is conveyed, the material conveying pipe is controlled to swing up and down around the base through the push rod, and the material slag is spilled out of the discharging notch by matching with the action of the pulley and the arc-shaped chute, so that the discharged material forms a rectangular surface covering the crystallizer, and the waste of the material slag and the pollution to the environment are avoided.

Description

Material conveying device of slag adding machine for continuous casting crystallizer

Technical Field

The invention relates to the technical field of continuous casting crystallizer material conveying, in particular to a material conveying device of a slag adding machine for a continuous casting crystallizer.

Background

The casting powder is added to the surface of liquid steel of a crystallizer in continuous casting production, which is an indispensable procedure, most of the existing slag feeding modes of slab continuous casting machines in China are manual slag feeding, the randomness of the manual slag feeding is high, the slag layer in the crystallizer is uneven, and the problem of slag entrapment and the like easily caused affects the surface quality of a slab.

The automatic protective slag adding equipment is researched and developed from the seventies of the last century abroad, various automatic crystallizer protective slag adding devices are developed, and in recent years, some similar products are also introduced in China, so that the working environment is greatly improved, the problems that a slag layer in a crystallizer is uneven and slag is easily rolled are solved, and the following main defects are still existed: firstly, the swing track of conveying pipeline is the pitch arc, and the blown down tank flows out the slag charge and can't accomplish the full coverage reinforced of crystallizer.

Patent 201110232332.9 discloses a movable blanking mechanism of a slag feeder for continuous casting, which comprises a bin cover, a storage bin, two storage hoppers, two material conveying hoppers and a support column; the upper ports of the storage bins are provided with bin covers, the upper ports of the two storage hoppers are symmetrically fixed at the lower ports of the storage bins, the lower ports of the two storage hoppers are correspondingly connected with the upper ports of the two material conveying hoppers in an embedded movable connection mode; the supporting column is supported in the middle of the storage bin, a weighing sensor is arranged at the upper end or the lower end of the supporting column, and the weighing sensor is externally connected with an automatic weighing system; the shape of the storage bin is composed of a left semi-cylindrical surface, a right semi-cylindrical surface, a front plane and a rear plane, and the cross sections of the storage bin are equal; the upper ports of the two storage hoppers are respectively half of the storage bin, the lower ports of the two storage hoppers are circular, and the installation center lines of the two storage hoppers and the center lines of the two semicircles of the corresponding storage bins are the same plumb line; the cross section of storage hopper is big-end-up's variable cross section, and two storage hopper's cross section is: the outer side of the installation center line is a semicircular ring, and the inner side of the installation center line is in a groove shape tangent to the semicircular ring until the inner side of the center line is gradually transited from the groove shape of the upper port to the semicircular shape of the lower port; the upper half parts of the two material conveying funnels are funnel-shaped, and the lower half parts of the two material conveying funnels are gradually transited from a circle to a lower port to be oval.

The patent has solved the ejection of compact orbit and has been two parallel lines when the conveying pipeline is rotatory swung, and in order to realize this purpose push rod promotes the conveying pipeline swivel base that the conveying pipeline links into an organic whole, and the feed bin is heavy, the material is heavy, the heavy gross weight of bottom plate reaches 300 kilograms, and under the promotion push rod made the rotatory condition of motor reducer, the push rod lead screw realized this kind of drive. Under the condition, the push rod and the screw rod are driven forward and backward for 2-3 times/min per minute, so that the electric energy consumption of the heavy equipment reaches 5000w/h, the equipment is greatly abraded and damaged, and the service life is short.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides a material conveying device of a slag adding machine for a continuous casting crystallizer, and discharged slag of the material conveying mechanism can realize full coverage of a crystallizer pit.

The technical scheme of the invention is as follows: a material conveying device of a slag adding machine for a continuous casting crystallizer comprises a material conveying mechanism, a swinging mechanism and a sliding mechanism.

Conveying mechanism include conveying pipeline, conveying motor, conveying pipeline one end still be provided with conveying motor, conveying motor be connected with the spiral auger of setting in the conveying pipeline to pass through conveying motor drive spiral auger rotate, thereby realize the transport of the interior material of conveying pipeline, rotatable the setting of conveying pipeline on the base, the base setting on the bottom plate, the discharge end of conveying pipeline still be connected with the discharging pipe.

Swing mechanism include swing motor, lead screw sliding seat, push rod, swing motor set up on the bottom plate, just swing motor still with set up the lead screw on the bottom plate and be connected, the lead screw on be connected with the lead screw sliding seat, just the lead screw sliding seat pass through the push rod and be connected with the conveying pipeline, thereby pass through swing motor drive lead screw rotate to control the conveying pipeline through the push rod and wind the base luffing motion.

Slide mechanism include pulley and arc spout, the pulley cover establish on the discharging pipe, just the pulley still with set up the arc spout joint on the bottom plate, just the gyro wheel can the arc spout in the horizontal slip.

Preferably, the material conveying pipe is also movably matched and connected with a feeding bin.

Preferably, the feed delivery pipe is connected with a first conical feed cylinder, the lower end of the feed bin is connected with a second conical feed cylinder, and the second conical feed cylinder is inserted into the first conical feed cylinder and can move in the first conical feed cylinder.

Preferably, the discharge end of the material conveying pipe is provided with a discharge groove, the width of the discharge groove is 50mm wider than the width of the pit of the continuous casting crystallizer along the head direction, and the discharge groove is positioned on the inner side of the discharge pipe.

Preferably, the lower end of the discharge pipe is further provided with a discharge notch, and the width of the discharge notch is equal to the width of the crystallizer pit.

The invention has the beneficial effects that:

1. according to the invention, the spiral auger is driven to rotate by the material conveying motor, so that the material in the material conveying pipe is conveyed, the material conveying pipe is controlled to swing up and down around the base through the push rod, and the material slag is spilled out of the discharging notch by matching with the action of the pulley and the arc-shaped chute, so that the discharged material forms a rectangular surface covering the crystallizer, and the waste of the material slag and the pollution to the environment are avoided.

Drawings

FIG. 1 is a schematic diagram of the apparatus of the present invention;

FIG. 2 is a schematic top view of the apparatus of the present invention;

FIG. 3 is an enlarged view of the connection between the feed pipe and the discharge pipe at A-A in FIG. 1 according to the present invention;

in the figure, 1 is a material conveying motor, 2 is a swing motor, 3 is a base, 4 is a feeding bin, 5 is a screw rod sliding seat, 6 is a screw rod, 7 is a push rod, 8 is a bottom plate, 9 is a material conveying pipe, 10 is an arc-shaped sliding chute, 11 is a pulley, and 12 is a material discharging pipe.

Detailed Description

The following further describes embodiments of the present invention with reference to the accompanying drawings:

as shown in fig. 1 to 3, the present embodiment provides a material conveying device for a slag adding machine of a continuous casting mold, which includes a material conveying mechanism, a swinging mechanism and a sliding mechanism.

Conveying mechanism include conveying pipeline 9, conveying motor 1, 9 one end of conveying pipeline still be provided with conveying motor 1, conveying motor 1 be connected with the spiral auger that sets up in conveying pipeline 9 to pass through conveying motor 1 drive spiral auger rotate, thereby realize the transport of material in the conveying pipeline 9, rotatable setting of conveying pipeline 9 on base 3, the discharge end of conveying pipeline 9 still move the cooperation and be connected with discharging pipe 12. In this embodiment, the end of the feed conveyor 9 is rotatably mounted on the base 3 via a bearing. The base 3 is arranged on the bottom plate 8.

Preferably as this embodiment, swing mechanism include swing motor 2, lead screw 6, lead screw sliding seat 5, push rod 7, swing motor 2 set up on bottom plate 8, just swing motor 2 still be connected with the lead screw 6 of setting on bottom plate 8, lead screw 6 on be connected with lead screw sliding seat 5, just lead screw sliding seat 5 be connected with conveying pipeline 9 through push rod 7 to pass through swing motor drive lead screw 6 rotate, thereby control conveying pipeline 9 through push rod 7 and wind base 3 luffing motion.

Preferably as this embodiment, slide mechanism include pulley 11 and arc spout 10, 11 covers of pulley establish on discharging pipe 12, just pulley 11 still with set up the arc spout 10 joint on bottom plate 8, just the gyro wheel can arc spout 10 in the horizontal slip to drive discharging pipe 12 and remove.

Preferably, the feeding pipe 9 is further connected with a feeding bin 4 in a movable fit manner, in this embodiment, two discharging ports are arranged at the lower end of the feeding bin 4, and each discharging port corresponds to one feeding pipe 9.

The feeding pipe 9 is connected with a first conical feeding cylinder, a discharge hole at the lower end of the feeding bin 4 is connected with a second conical feeding cylinder, and the second conical feeding cylinder is inserted into the first conical feeding cylinder and can move in the first conical feeding cylinder.

Preferably, the discharge end of the feed delivery pipe 9 is provided with a discharge chute, the width of the discharge chute is 50mm wider than the width of the continuous casting mold pit along the head direction, and the slag is delivered into the discharge pipe 12 through the discharge chute.

Preferably, in this embodiment, the lower end of the discharge pipe 12 is further provided with a discharge notch, and the width of the discharge notch is equal to the width of the crystallizer pit.

The foregoing embodiments and description have been presented only to illustrate the principles and preferred embodiments of the invention, and various changes and modifications may be made therein without departing from the spirit and scope of the invention as hereinafter claimed.

Claims (8)

1. A material conveying device for a slag adding machine of a continuous casting crystallizer is characterized by comprising a material conveying mechanism, a swinging mechanism and a sliding mechanism;

the material conveying mechanism comprises a material conveying pipe (9) and a material conveying motor (1), wherein a material discharging pipe (12) is connected to the material discharging end of the material conveying pipe (9) in a matching manner;

the swing mechanism comprises a swing motor (2), a screw rod (6), a screw rod sliding seat (5) and a push rod (7), the swing motor (2) is arranged on a bottom plate (8), the swing motor (2) is further connected with the screw rod (6) arranged on the bottom plate (8), the screw rod sliding seat (5) is connected onto the screw rod (6), the screw rod sliding seat (5) is connected with a material conveying pipe (9) through the push rod (7), the screw rod (6) is driven to rotate through the swing motor, and the material conveying pipe (9) is controlled to swing up and down around the base (3) through the push rod (7);

slide mechanism include pulley (11) and arc spout (10), pulley (11) cover establish on discharging pipe (12), just pulley (11) still with arc spout (10) joint of setting on bottom plate (8), just the gyro wheel can arc spout (10) in the horizontal slip, in order to drive discharging pipe (12) remove.

2. The material conveying device of the slag adding machine for the continuous casting crystallizer as claimed in claim 1, characterized in that: conveying pipeline (9) one end still be provided with defeated material motor (1), defeated material motor (1) be connected with the spiral auger that sets up in conveying pipeline (9), thereby pass through defeated material motor (1) drive spiral auger rotate, thereby realize the transport of material in conveying pipeline (9).

3. The material conveying device of the slag adding machine for the continuous casting crystallizer as claimed in claim 2, characterized in that: one end of the material conveying pipe (9) is rotatably arranged on the base (3) through a bearing, and the base (3) is arranged on the bottom plate (8).

4. The material conveying device of the slag adding machine for the continuous casting crystallizer as claimed in claim 3, characterized in that: the feed delivery pipe (9) is also movably matched and connected with a feed bin (4).

5. The material conveying device of the slag adding machine for the continuous casting crystallizer as claimed in claim 4, characterized in that: the lower end of the feeding bin (4) is provided with two discharge ports, and each discharge port corresponds to one conveying pipeline (9).

6. The material conveying device of the slag adding machine for the continuous casting crystallizer as claimed in claim 5, characterized in that: each conveying pipeline (9) is connected with a first conical feeding cylinder, a feeding hole at the lower end of the feeding bin (4) is connected with a corresponding second conical feeding cylinder, and the second conical feeding cylinder is inserted into the first conical feeding cylinder and can move in the first conical feeding cylinder.

7. The material conveying device of the slag adding machine for the continuous casting crystallizer as claimed in claim 6, characterized in that: the discharge end of conveying pipeline (9) be provided with the blown down tank, the width of blown down tank than the width of continuous casting crystallizer pit along the head direction wide 50mm, through the blown down tank with expect the sediment carry to discharging pipe (12) in.

8. The material conveying device of the slag adding machine for the continuous casting crystallizer as claimed in claim 7, characterized in that: the lower end of the discharge pipe (12) is also provided with a discharge notch, and the width of the discharge notch is equal to that of the crystallizer pit.

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