CN113828765A - Pneumatic control mechanism for tundish slide plate - Google Patents
Pneumatic control mechanism for tundish slide plate Download PDFInfo
- Publication number
- CN113828765A CN113828765A CN202111109295.2A CN202111109295A CN113828765A CN 113828765 A CN113828765 A CN 113828765A CN 202111109295 A CN202111109295 A CN 202111109295A CN 113828765 A CN113828765 A CN 113828765A
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- air cylinder
- piston rod
- control system
- tundish
- speed
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- 230000007246 mechanism Effects 0.000 title claims abstract description 15
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 8
- 239000010959 steel Substances 0.000 claims abstract description 8
- 238000012544 monitoring process Methods 0.000 claims description 10
- 230000008859 change Effects 0.000 claims description 3
- 238000006073 displacement reaction Methods 0.000 abstract description 3
- 238000003723 Smelting Methods 0.000 abstract description 2
- 230000004044 response Effects 0.000 abstract description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D41/00—Casting melt-holding vessels, e.g. ladles, tundishes, cups or the like
- B22D41/14—Closures
- B22D41/22—Closures sliding-gate type, i.e. having a fixed plate and a movable plate in sliding contact with each other for selective registry of their openings
- B22D41/38—Means for operating the sliding gate
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D2/00—Arrangement of indicating or measuring devices, e.g. for temperature or viscosity of the fused mass
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Casting Support Devices, Ladles, And Melt Control Thereby (AREA)
Abstract
The invention belongs to the technical field of smelting equipment, and relates to a pneumatic control mechanism for a tundish sliding plate, which comprises an air cylinder and a control system, wherein the output end of a piston rod of the air cylinder is provided with a connecting part, and the connecting part is connected with the sliding plate for controlling the molten steel amount of a tundish; the air cylinder is provided with a plurality of position sensors, and the position sensors are used for acquiring position information and time information when a piston rod of the air cylinder passes through; the position sensor is connected with the control system and transmits signals to the control system, and the control system controls the operation of the air cylinder according to the signals of the position sensor. The traditional oil cylinder is changed into the air cylinder, and the air cylinder has the advantages of light weight and sensitive response; the position and the speed of the piston rod are obtained by arranging the position sensors, and the air inlet and outlet amount is controlled by the electromagnetic flow valve, so that the speed and the displacement of the piston rod are accurately controlled, and the situation that the sliding plate does not move in place is prevented.
Description
Technical Field
The invention belongs to the technical field of smelting equipment, and relates to a pneumatic control mechanism for a tundish sliding plate.
Background
Tundish sliding gate mechanisms typically control the amount of molten steel by controlling the displacement of the slide plate, while metering tundish controls the amount of molten steel by the size of the opening in the middle of the slide plate. Chinese patent with publication number CN200995275Y discloses a tundish sliding nozzle mechanism, which comprises an upper nozzle, a lower nozzle and an immersion nozzle, and is characterized in that: the device adopts a three-layer sliding plate structure, an upper sliding plate, a middle sliding plate and a lower sliding plate are sequentially arranged between an upper water gap and a lower water gap to divide the upper water gap and the lower water gap into two cavities; the upper sliding plate is arranged in a groove of the bracket through a supporting plate, the middle sliding plate is connected with a guide plate through a middle sliding plate frame, and the guide plate is connected with a connecting arm and is connected with an oil cylinder; the lower sliding plate is positioned in the lower sliding plate box, air cylinders are arranged on two sides of a lower water opening in the lower portion of the lower sliding plate box, and the air cylinders are fixed to the lower portion of the lower sliding plate box through bolts.
Meanwhile, in the process that the oil cylinder pushes the sliding plate, the sliding plate does not have an effective monitoring means, and is controlled only by experience, so that the sliding plate is prone to not sliding in place, the molten steel quantity is controlled inaccurately, the sliding plate opening degree action is abnormal, the casting stopping accident is caused, and the production efficiency is seriously influenced.
Disclosure of Invention
In view of the above, the present invention provides a pneumatic control mechanism for a tundish slide plate, which aims to improve the control accuracy of the slide plate opening degree.
In order to achieve the purpose, the invention provides the following technical scheme:
a pneumatic control mechanism for a tundish sliding plate comprises an air cylinder and a control system, wherein a connecting part is arranged at the output end of a piston rod of the air cylinder and is connected with the sliding plate for controlling the molten steel amount of a tundish; the air cylinder is provided with a plurality of position sensors, and the position sensors are used for acquiring position information and time information when a piston rod of the air cylinder passes through; the position sensor is connected with the control system and transmits signals to the control system, and the control system controls the operation of the air cylinder according to the signals of the position sensor.
And furthermore, electromagnetic flow valves are arranged on an air inlet and an air outlet of the air cylinder, and are connected with and controlled by a control system.
Further, the position sensor is detachably connected with the air cylinder.
Further, the control system comprises a display screen, a monitoring control module and an alarm;
furthermore, the display screen, the alarm, the electromagnetic flow valve and the position sensor are all connected with the monitoring control module;
furthermore, the monitoring control module is used for setting the stroke and the speed of the air cylinder, calculating the actual position and the speed of the piston rod according to the signal of the position sensor, and controlling the electromagnetic flow valve by comparing the actual value with a set value so as to change the position and the speed of the piston rod;
further, the alarm is used for reminding the position and speed of the piston rod of exceeding the limit;
furthermore, the display screen is used for displaying the position and speed information of the piston rod.
And the control system further comprises a control switch for manually controlling the starting and stopping of the air cylinder, and the control switch is connected with the control system.
The invention has the beneficial effects that:
the traditional oil cylinder is changed into the air cylinder, and the air cylinder has the advantages of light weight and sensitive response; the position and the speed of the piston rod are obtained by arranging the position sensors, and the air inlet and outlet amount is controlled by the electromagnetic flow valve, so that the speed and the displacement of the piston rod are accurately controlled, and the situation that the sliding plate does not move in place is prevented.
The display screen and the alarm can show the position and the speed of the piston rod in real time, so that the sliding plate is monitored in real time, and an operator can observe and control the sliding plate conveniently.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention. The objectives and other advantages of the invention may be realized and attained by the means of the instrumentalities and combinations particularly pointed out hereinafter.
Drawings
For the purposes of promoting a better understanding of the objects, aspects and advantages of the invention, reference will now be made to the following detailed description taken in conjunction with the accompanying drawings in which:
FIG. 1 is a pneumatic control mechanism for a tundish slide plate according to the present invention;
reference numerals: 1-a cylinder; 2-an electromagnetic flow valve; 3-a control system; 4-a position sensor; 5-a piston rod; 6-an air inlet; 7-an exhaust port; 31-a display screen; 32-an alarm; 33-a control switch; 34-input button; 51-a connecting part.
Detailed Description
The embodiments of the present invention are described below with reference to specific embodiments, and other advantages and effects of the present invention will be easily understood by those skilled in the art from the disclosure of the present specification. The invention is capable of other and different embodiments and of being practiced or of being carried out in various ways, and its several details are capable of modification in various respects, all without departing from the spirit and scope of the present invention. It should be noted that the drawings provided in the following embodiments are only for illustrating the basic idea of the present invention in a schematic way, and the features in the following embodiments and examples may be combined with each other without conflict.
Wherein the showings are for the purpose of illustrating the invention only and not for the purpose of limiting the same, and in which there is shown by way of illustration only and not in the drawings in which there is no intention to limit the invention thereto; to better illustrate the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar components; in the description of the present invention, it should be understood that if there is an orientation or positional relationship indicated by terms such as "upper", "lower", "left", "right", "front", "rear", etc., based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplification of description, but it is not an indication or suggestion that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes, and are not to be construed as limiting the present invention, and the specific meaning of the terms may be understood by those skilled in the art according to specific situations.
Referring to fig. 1, a pneumatic control mechanism for a tundish slide plate comprises an air cylinder 1, a control system 3 and a control switch 33 for manually controlling the start and stop of the air cylinder 1, wherein an output end of a piston rod 5 of the air cylinder 1 is provided with a connecting part 51, and the connecting part 51 is connected with the slide plate for controlling the molten steel amount of the tundish and pushes the slide plate to slide; a plurality of position sensors 4 are mounted on the air cylinder 1 through screws, and the position sensors 4 are used for obtaining position information and time information when a piston rod 5 of the air cylinder 1 passes through; the position sensor 4 is connected with the control system 3, and transmits signals to the control system 3, and the control system 3 controls the operation of the cylinder 1 according to the signals of the position sensor 4. Wherein, all install electromagnetic flow valve 2 on the air inlet 6 of cylinder 1, the gas vent 7, electromagnetic flow valve 2 is connected with control system 3, is controlled by control system 3.
In this embodiment, the control system 3 includes a display screen 31, a monitoring control module, and an alarm 32; the control switch 33, the display screen 31, the alarm 32, the electromagnetic flow valve 2 and the position sensor 4 are all connected with the monitoring control module;
the monitoring control module is provided with an input button 34 for setting the stroke and the speed of the air cylinder 1, calculates the actual position and the speed of the piston rod 5 according to the signal of the position sensor 4, and controls the electromagnetic flow valve 2 by comparing the actual value with the set value, so as to change the position and the speed of the piston rod 5;
the alarm 32 is used for reminding the position and speed of the piston rod 5 of exceeding the limit; the display screen 31 is used for displaying position and speed information of the piston rod 5.
When the sliding plate is used, an operator connects the air cylinder 1 with the sliding plate, the stroke and the speed of the air cylinder 1 are set through the input button 34, after the setting is finished, the air cylinder 1 pushes the sliding plate to move to a set position through the pneumatic control switch 33, and an operator observes the running state of the air cylinder 1 in real time through the display screen 31 and the alarm, so that the sliding plate is ensured to be in place.
Finally, the above embodiments are only intended to illustrate the technical solutions of the present invention and not to limit the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, it will be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions, and all of them should be covered by the claims of the present invention.
Claims (5)
1. The utility model provides a middle package slide pneumatic control mechanism which characterized in that: the tundish molten steel quantity control device comprises an air cylinder and a control system, wherein a connecting part is arranged at the output end of a piston rod of the air cylinder and is connected with a sliding plate used for controlling the molten steel quantity of a tundish; the air cylinder is provided with a plurality of position sensors, and the position sensors are used for acquiring position information and time information when a piston rod of the air cylinder passes through; the position sensor is connected with the control system and transmits signals to the control system, and the control system controls the operation of the air cylinder according to the signals of the position sensor.
2. A tundish slide pneumatic control mechanism according to claim 1, wherein: and the air inlet and the air outlet of the air cylinder are respectively provided with an electromagnetic flow valve, and the electromagnetic flow valves are connected with and controlled by a control system.
3. A tundish slide pneumatic control mechanism according to claim 1, wherein: the position sensor is detachably connected with the air cylinder.
4. A tundish slide pneumatic control mechanism according to claim 2, wherein: the control system comprises a display screen, a monitoring control module and an alarm;
the display screen, the alarm, the electromagnetic flow valve and the position sensor are all connected with the monitoring control module;
the monitoring control module is used for setting the stroke and the speed of the air cylinder, calculating the actual position and the speed of the piston rod according to the signal of the position sensor, and controlling the electromagnetic flow valve by comparing the actual value with a set value so as to change the position and the speed of the piston rod;
the alarm is used for reminding the position and speed overrun of the piston rod;
the display screen is used for displaying the position and speed information of the piston rod.
5. A tundish slide pneumatic control mechanism according to claim 1, wherein: the device also comprises a control switch for manually controlling the starting and stopping of the air cylinder, and the control switch is connected with a control system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111109295.2A CN113828765A (en) | 2021-09-22 | 2021-09-22 | Pneumatic control mechanism for tundish slide plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111109295.2A CN113828765A (en) | 2021-09-22 | 2021-09-22 | Pneumatic control mechanism for tundish slide plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113828765A true CN113828765A (en) | 2021-12-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111109295.2A Pending CN113828765A (en) | 2021-09-22 | 2021-09-22 | Pneumatic control mechanism for tundish slide plate |
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| CN (1) | CN113828765A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4759479A (en) * | 1981-06-01 | 1988-07-26 | Metacon Ag | Apparatus and method for oscillating slide closure of casting vessel to prevent solidification of molten metal in closed outlet |
| JPH08318355A (en) * | 1995-05-25 | 1996-12-03 | Meidensha Corp | Device for controlling operation in continuous casting equipment |
| WO2010094447A1 (en) * | 2009-02-18 | 2010-08-26 | Vesuvius Group S.A. | Drive device of a regulation valve for casting liquid metal |
| CN205614051U (en) * | 2016-04-19 | 2016-10-05 | 河源市新天彩科技有限公司 | Sliding water gap mechanism |
| CN110102730A (en) * | 2019-04-18 | 2019-08-09 | 宣化钢铁集团有限责任公司 | A kind of crystallizer pouring procedure |
| CN210139055U (en) * | 2019-04-18 | 2020-03-13 | 宣化钢铁集团有限责任公司 | Opening control device for sliding gate of tundish |
| CN213794197U (en) * | 2020-11-26 | 2021-07-27 | 荣垂振 | Opening water gap sliding device for steelmaking |
| CN113210596A (en) * | 2021-05-06 | 2021-08-06 | 重庆钢铁股份有限公司 | Method for installing ladle upper nozzle |
-
2021
- 2021-09-22 CN CN202111109295.2A patent/CN113828765A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4759479A (en) * | 1981-06-01 | 1988-07-26 | Metacon Ag | Apparatus and method for oscillating slide closure of casting vessel to prevent solidification of molten metal in closed outlet |
| JPH08318355A (en) * | 1995-05-25 | 1996-12-03 | Meidensha Corp | Device for controlling operation in continuous casting equipment |
| WO2010094447A1 (en) * | 2009-02-18 | 2010-08-26 | Vesuvius Group S.A. | Drive device of a regulation valve for casting liquid metal |
| CN205614051U (en) * | 2016-04-19 | 2016-10-05 | 河源市新天彩科技有限公司 | Sliding water gap mechanism |
| CN110102730A (en) * | 2019-04-18 | 2019-08-09 | 宣化钢铁集团有限责任公司 | A kind of crystallizer pouring procedure |
| CN210139055U (en) * | 2019-04-18 | 2020-03-13 | 宣化钢铁集团有限责任公司 | Opening control device for sliding gate of tundish |
| CN213794197U (en) * | 2020-11-26 | 2021-07-27 | 荣垂振 | Opening water gap sliding device for steelmaking |
| CN113210596A (en) * | 2021-05-06 | 2021-08-06 | 重庆钢铁股份有限公司 | Method for installing ladle upper nozzle |
Non-Patent Citations (1)
| Title |
|---|
| 葛秀村等: "《机械电子工程专业教学指导》", 30 September 2007, 山东大学出版社 * |
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| Date | Code | Title | Description |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: No.2 Jiangnan Avenue, Jiangnan street, Changshou District, Chongqing 401220 Applicant after: Chongqing Iron & Steel Co.,Ltd. Address before: 401220 No. 1, Gangcheng Road, Changshou District, Chongqing Applicant before: Chongqing Iron & Steel Co.,Ltd. |
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| CB02 | Change of applicant information | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20211224 |
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| RJ01 | Rejection of invention patent application after publication |