阅读说明：本技术 一种结晶器清刷装置及其工作方法 (Crystallizer cleaning device and working method thereof ) 是由 唐孝国 余念 曾志国 于 2019-11-06 设计创作，主要内容包括：本发明提供一种结晶器清刷装置,包括：升降小车,通过丝杠升降机构的带动在立柱上做上下运功；摆动臂,通过摆动臂回转机构与升降小车连接；抛杆,所述抛杆的上端与摆动臂连接,所述抛杆的下端设置有抛光轮；结晶器自转支撑盘,设置于操作平台上；除尘器,设置于所述操作平台的下方。相对于现有技术中作业人员进入结晶器内部,使用磨光机对内壁进行清刷的方式,采用本发明作业的安全性更高,清刷过程产生的铁屑及烟尘通过除尘器同步除去,降低了环境污染；本发明的自动化程度高,大大提高了作业效率,规范了作业的工艺流程。(The invention provides a crystallizer brushing device, comprising: the lifting trolley is driven by the screw lifting mechanism to do up-and-down conveying work on the upright post; the swing arm is connected with the lifting trolley through a swing arm slewing mechanism; the upper end of the throwing rod is connected with the swing arm, and the lower end of the throwing rod is provided with a polishing wheel; the crystallizer autorotation supporting disk is arranged on the operating platform; and the dust remover is arranged below the operating platform. Compared with the mode that an operator enters the crystallizer and cleans the inner wall by using a polishing machine in the prior art, the operation safety is higher, scrap iron and smoke dust generated in the cleaning process are synchronously removed by a dust remover, and the environmental pollution is reduced; the invention has high automation degree, greatly improves the operation efficiency and standardizes the operation process.)

1. The utility model provides a crystallizer scrubbing device which characterized in that: the method comprises the following steps:

the lifting trolley is driven by the screw lifting mechanism to do up-and-down conveying work on the upright post;

the swing arm is connected with the lifting trolley through a swing arm slewing mechanism;

the upper end of the throwing rod is connected with the swing arm, and the lower end of the throwing rod is provided with a polishing wheel;

the crystallizer autorotation supporting disk is arranged on the operating platform;

and the dust remover is arranged below the operating platform.

2. The crystallizer cleaning device of claim 1, wherein: the upright post is provided with an upright post track;

the lead screw lifting mechanism comprises a lead screw and a nut arranged on the lead screw, the lead screw is driven by a first motor, and the lifting trolley is connected with the nut and driven by the nut to move up and down along the upright rail.

3. The crystallizer cleaning device of claim 1, wherein: the swing arm slewing mechanism comprises a supporting shaft arranged on the lifting trolley, an output end gear is sleeved on the supporting shaft and can rotate relative to the supporting shaft, and the output end gear is connected with the swing arm; the second motor is installed on the swing arm and connected with the input end gear, and the input end gear is meshed with the output end gear.

4. The crystallizer cleaning device of claim 3, wherein: an angle encoder is arranged on the swing arm.

5. The crystallizer cleaning device of claim 1, wherein: the polishing wheel is characterized in that a driving motor is arranged at the upper end of the polishing rod, and the driving motor drives the polishing wheel to rotate through a transmission rod arranged inside the polishing rod.

6. The crystallizer cleaning device of claim 1, wherein: the crystallizer rotation supporting disc is characterized in that a through hole for placing a crystallizer is formed in the middle of the crystallizer rotation supporting disc, a driving wheel and a guide wheel are arranged at the bottom of the crystallizer rotation supporting disc in the circumferential direction, and a third motor drives the driving wheel to drive the crystallizer rotation supporting disc to rotate.

7. The crystallizer cleaning device of claim 1, wherein: the operation platform is formed by welding steel structures.

8. A method of operating a mould cleaning apparatus according to any one of claims 1 to 7, comprising the steps of:

1) hoisting a crystallizer to be cleaned on a crystallizer rotation supporting disk, and driving a swing arm and a throwing rod to move to a working position by a swing arm rotation mechanism;

2) the lifting trolley drives the polishing rod to move downwards to the interior of the crystallizer, the polishing wheel is in contact with the inner wall of the crystallizer and starts to be cleaned, and meanwhile, the crystallizer autorotation supporting disk drives the crystallizer to rotate, and the rotating direction of the crystallizer is opposite to that of the polishing wheel;

3) in the set time, the lifting trolley drives the polishing wheel to perform reciprocating cleaning from top to bottom and from bottom to top in the crystallizer, and the dust remover synchronously operates in the whole cleaning process;

4) after the brushing is finished, the lifting trolley drives the throwing rod to move upwards to the outer part of the crystallizer, and then the brushed crystallizer is lifted away from the autorotation supporting disk of the crystallizer.

Technical Field

The invention relates to the technical field of metallurgical equipment maintenance, in particular to a crystallizer cleaning device and a working method thereof.

Background

The crystallizer of the electroslag remelting furnace is important equipment in a smelting process flow, and the inner layer of the crystallizer is a key component for carrying out heat exchange and forming molten steel when the molten steel is solidified, so the crystallizer is required to be made of materials with good heat conductivity, and copper alloy is generally adopted. After the smelting of each furnace base is finished, molten steel slag scale appears in the inner layer of the crystallizer, and the smelting quality of the next furnace base is influenced if the inner layer of the crystallizer is not cleaned in time. Therefore, according to the post operating regulations, the inner layer of the crystallizer is cleaned after the smelting of each furnace base is finished.

The traditional cleaning process mainly adopts a manual cleaning operation mode, and a polishing machine is used for polishing the inner wall of the crystallizer. Because the internal space of the crystallizer is narrow and small, and a large amount of scrap iron and smoke dust are generated in the polishing operation, certain potential safety hazards exist for operating personnel. Therefore, how to design a crystallizer cleaning device which can improve the construction efficiency, ensure the safety of the operation process and standardize the maintenance process is the problem to be solved by the technical personnel in the field.

Disclosure of Invention

In view of the above-mentioned drawbacks of the prior art, an object of the present invention is to provide a mold cleaning device.

In order to solve the technical problem, the invention provides a crystallizer cleaning device, which comprises: the lifting trolley is driven by the screw lifting mechanism to do up-and-down conveying work on the upright post; the swing arm is connected with the lifting trolley through a swing arm slewing mechanism; the upper end of the throwing rod is connected with the swing arm, and the lower end of the throwing rod is provided with a polishing wheel; the crystallizer autorotation supporting disk is arranged on the operating platform; and the dust remover is arranged below the operating platform.

Preferably, the upright post is provided with an upright post track, the screw rod lifting mechanism comprises a screw rod and a nut arranged on the screw rod, the screw rod is driven by a first motor, and the lifting trolley is connected with the nut and driven by the nut to move up and down along the upright post track.

Preferably, the swing arm slewing mechanism comprises a support shaft mounted on the lifting trolley, an output end gear is sleeved on the support shaft and can rotate relative to the support shaft, and the output end gear is connected with the swing arm; the second motor is installed on the swing arm and connected with the input end gear, and the input end gear is meshed with the output end gear.

Further, an angle encoder is arranged on the swing arm.

Preferably, the upper end of the throwing rod is provided with a driving motor, and the driving motor drives the polishing wheel to rotate through a transmission rod arranged inside the throwing rod.

Preferably, a through hole for placing the crystallizer is formed in the middle of the crystallizer rotation supporting disk, a driving wheel and a guide wheel are arranged at the bottom of the crystallizer rotation supporting disk along the circumferential direction, and a third motor drives the driving wheel to drive the crystallizer rotation supporting disk to rotate.

Preferably, the operation platform is formed by welding steel structures.

The invention also provides a working method of the crystallizer cleaning device, which comprises the following steps:

1) hoisting a crystallizer to be cleaned on a crystallizer rotation supporting disk, and driving a swing arm and a throwing rod to move to a working position by a swing arm rotation mechanism;

2) the lifting trolley drives the polishing rod to move downwards to the interior of the crystallizer, the polishing wheel is in contact with the inner wall of the crystallizer and starts to be cleaned, and meanwhile, the crystallizer autorotation supporting disk drives the crystallizer to rotate, and the rotating direction of the crystallizer is opposite to that of the polishing wheel;

3) in the set time, the lifting trolley drives the polishing wheel to perform reciprocating cleaning from top to bottom and from bottom to top in the crystallizer, and the dust remover synchronously operates in the whole cleaning process;

4) after the brushing is finished, the lifting trolley drives the throwing rod to move upwards to the outer part of the crystallizer, and then the brushed crystallizer is lifted away from the autorotation supporting disk of the crystallizer.

As described above, the crystallizer cleaning device and the working method thereof of the present invention have the following beneficial effects:

by adopting the crystallizer cleaning device and the working method thereof, the swinging arm and the lifting trolley drive the throwing rod and the polishing wheel to enter the crystallizer, the inner wall of the crystallizer is cleaned by utilizing the friction force generated by the contact of the crystallizer and the polishing wheel and the rotation in opposite directions, and the synchronous dust removal is realized by the dust remover in the whole cleaning process; compared with the mode that an operator enters the crystallizer and cleans the inner wall by using a polishing machine in the prior art, the operation safety is higher, scrap iron and smoke dust generated in the cleaning process are synchronously removed by a dust remover, and the environmental pollution is reduced; the invention has high automation degree, greatly improves the operation efficiency and standardizes the operation process.

Drawings

FIG. 1 is a schematic side view of a mold cleaning apparatus according to the present invention;

FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1;

fig. 3 is a schematic bottom structure view of the mold spinning support plate in the mold cleaning device according to the present invention.

Description of the reference numerals

1 lifting trolley

2 column

210 column rail

3 oscillating arm

4 throwing rod

410 driving motor

420 driving rod

5 polishing wheel

6 autorotation supporting disk of crystallizer

610 driving wheel

620 guide wheel

630 third motor

640 riding wheel

7 dust remover

8 lead screw lifting mechanism

810 leading screw

820 nut

830 first electric machine

9 swing arm slewing mechanism

910 support the shaft

911 output end gear

920 second electric machine

921 input end gear

10 crystallizer

Detailed Description

The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will become apparent to those skilled in the art from the present disclosure.

Please refer to the attached drawings. It should be understood that the structures, ratios, sizes, and the like shown in the drawings and described in the specification are only used for matching with the disclosure of the specification, so as to be understood and read by those skilled in the art, and are not used to limit the conditions under which the present invention can be implemented, so that the present invention has no technical significance, and any structural modification, ratio relationship change, or size adjustment should still fall within the scope of the present invention without affecting the efficacy and the achievable purpose of the present invention. In addition, the terms "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for clarity of description, and are not intended to limit the scope of the present invention, and the relative relationship between the terms and the terms is not to be construed as a scope of the present invention.

As shown in fig. 1 to 3, the present embodiment provides a mold cleaning device, including: the lifting trolley 1 is driven by the screw lifting mechanism 8 to do up-and-down conveying work on the upright post 2; the swing arm 3 is connected with the lifting trolley 1 through a swing arm swing mechanism 9; the upper end of the throwing rod 4 is connected with the swing arm 3, and the lower end of the throwing rod 4 is provided with a polishing wheel 5; the crystallizer autorotation supporting disk 6 is arranged on the operating platform; and the dust remover 7 is arranged below the operation platform.

In order to achieve a better brushing effect, the polishing wheel 5 in this embodiment is a non-standard copper-plated steel wire wheel. In order to achieve better dust removal and noise reduction effects, the dust remover 7 in this embodiment employs a bag-type dust remover.

In this embodiment, in order to realize the movement of the lifting trolley 1 on the upright 2, the upright rail 210 is arranged on the upright 2, the screw lifting mechanism 8 includes a screw 810 and a nut 820 arranged on the screw 810, the screw 810 is driven by a first motor 830, the lifting trolley 1 is connected with the nut 820, and the lifting trolley 1 moves up and down along the upright rail 210 under the driving of the nut 820 by utilizing the characteristic that the screw 810 rotates the nut 820 in the screw nut mechanism. Specifically, the fixed nut 820 on the screw 810 is provided with an inspection hole (not shown in the figure), and a movable cover plate is arranged at the inspection hole (not shown in the figure), so that the screw is convenient to fasten in daily inspection.

In the embodiment, the swing arm revolving mechanism 9 comprises a supporting shaft 910 mounted on the lifting trolley 1, an output end gear 911 is sleeved on the supporting shaft 910, the output end gear 911 can rotate relative to the supporting shaft 910, and the output end gear 911 is connected with the swing arm 3; the second motor 920 is mounted on the swing arm 3, and the second motor 920 is connected to the input gear 921, and the input gear 921 meshes with the output gear 911. Specifically, in order to reduce the free gap of the shaking, the input end gear 921 and the output end gear 911 in this embodiment use two cylindrical helical gears; in order to control the contact pressure between the polishing wheel 5 and the inner wall of the mold 10, and thus achieve better cleaning effect, the swing arm 3 in this embodiment is provided with an angle encoder (not shown).

The upper end of the throwing rod 4 in this embodiment is provided with a driving motor 410, and in order to make the transmission process more stable, the driving motor 410 drives the polishing wheel 5 to rotate through a transmission rod 420 arranged inside the throwing rod 4.

In this embodiment, a through hole for placing the mold 10 is formed in the middle of the mold rotation supporting disk 6, a driving wheel 610 and a guide wheel 620 are circumferentially disposed at the bottom of the mold rotation supporting disk 6, and the third motor 630 drives the driving wheel 610, so that the driving wheel 610 drives the mold rotation supporting disk 6 to rotate. Specifically, in order to make the rotation of the mold rotation supporting disk 6 more stable, the mold rotation supporting disk 6 in this embodiment is a steel structure tray, and the number of the guide wheels 620 is three, and the guide wheels are uniformly distributed in the circumferential direction of the bottom of the mold rotation supporting disk 6, and more specifically, the bottom of the mold rotation supporting disk 6 is further provided with two riding wheels 640.

The operation platform (not shown in the figure) in the embodiment is formed by welding steel structures, a support column is arranged at the bottom of the operation platform, the operation platform is enabled to have a certain height away from the ground, a handrail and an escalator are arranged at the edge of the operation platform, and a control console is further arranged on the upper surface of the operation platform.

The electrical control system (not shown in the figure) in this embodiment adopts a mode of combining a PLC automatic control mode and an emergency manual mode, the automatic control system is composed of an MCC cabinet, a control cabinet, a PLC module, a frequency converter, an encoder and a field touch control screen, the middle of the automatic control system is connected with a power cable, a control cable and a communication cable, and manual control is adopted in emergency.

The embodiment also provides a working method of the crystallizer cleaning device, which comprises the following steps:

1) the crystallizer 10 to be brushed is hoisted on the crystallizer rotation supporting disc 6, and the swing arm rotating mechanism 9 drives the swing arm 3 and the throwing rod 4 to move to the working position.

2) The lifting trolley 1 drives the polishing rod 4 to move downwards to the interior of the crystallizer 10, the polishing wheel 5 is in contact with the inner wall of the crystallizer 10 and starts to be cleaned, meanwhile, the crystallizer autorotation supporting disk 6 drives the crystallizer 10 to rotate, and the rotating direction of the crystallizer autorotation supporting disk is opposite to that of the polishing wheel 5.

3) Within the set time, the lifting trolley 1 drives the polishing wheel 5 to perform reciprocating cleaning from top to bottom and from bottom to top in the crystallizer 10, and the dust remover 7 synchronously operates in the whole cleaning process.

4) After the brushing is finished, the lifting trolley 1 drives the throwing rod 4 to move upwards to the outside of the crystallizer 10, and then the brushed crystallizer 10 is hung away from the crystallizer autorotation supporting disk 6.

By adopting the crystallizer cleaning device and the working method thereof, the swinging arm 3 and the lifting trolley 1 drive the throwing rod 4 and the polishing wheel 5 to enter the crystallizer 10, the inner wall of the crystallizer 10 is cleaned by utilizing the friction force generated by the contact of the crystallizer 10 and the polishing wheel 5 and the rotation in opposite directions, and the dust is synchronously removed by the dust remover 7 in the whole cleaning process.

Compared with the mode that an operator enters the crystallizer and cleans the inner wall by using a polishing machine in the prior art, the operation safety is higher, scrap iron and smoke dust generated in the cleaning process are synchronously removed by a dust remover, and the environmental pollution is reduced; the invention has high automation degree, greatly improves the operation efficiency and standardizes the operation process.

After the crystallizer cleaning and brushing process is put into use, the problem that no special equipment is arranged in the crystallizer cleaning and brushing process in the prior art is solved, a novel crystallizer cleaning and brushing process is provided, and the blank of related fields in China is filled.

The foregoing embodiments are merely illustrative of the principles and utilities of the present invention and are not intended to limit the invention. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.