CN118006907A - Electrode lifting device of electroslag furnace - Google Patents
Electrode lifting device of electroslag furnace Download PDFInfo
- Publication number
- CN118006907A CN118006907A CN202311850195.4A CN202311850195A CN118006907A CN 118006907 A CN118006907 A CN 118006907A CN 202311850195 A CN202311850195 A CN 202311850195A CN 118006907 A CN118006907 A CN 118006907A
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- Prior art keywords
- sliding rod
- fixing frame
- worm
- lifting device
- electroslag furnace
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- 238000007790 scraping Methods 0.000 claims description 21
- 230000001681 protective effect Effects 0.000 claims description 10
- 230000008878 coupling Effects 0.000 claims 1
- 238000010168 coupling process Methods 0.000 claims 1
- 238000005859 coupling reaction Methods 0.000 claims 1
- 230000003028 elevating effect Effects 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 238000005242 forging Methods 0.000 abstract description 2
- 229910000831 Steel Inorganic materials 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 239000007788 liquid Substances 0.000 description 3
- 239000002893 slag Substances 0.000 description 3
- 238000003723 Smelting Methods 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 238000002425 crystallisation Methods 0.000 description 2
- 230000008025 crystallization Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910000885 Dual-phase steel Inorganic materials 0.000 description 1
- 229910001240 Maraging steel Inorganic materials 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000005204 segregation Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
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- Manufacture And Refinement Of Metals (AREA)
Abstract
The invention provides an electroslag furnace electrode lifting device, and belongs to the field of manufacturing of forging auxiliary equipment; the invention comprises the following steps: the device comprises a fixing frame, a slide bar, a worm wheel and a worm; the sliding rod can be arranged on the fixing frame in an up-and-down sliding way; a motor is also fixed on the fixing frame and is provided with a driving shaft; the upper part of the sliding rod is provided with a rack along the sliding direction of the sliding rod, and the bottom end of the sliding rod is provided with an electrode; the worm wheel is rotatably arranged on the fixing frame; the worm is arranged on the driving shaft and is contacted with the rack through the worm wheel; the driving shaft rotates, so that the worm drives the worm wheel to rotate, and the rack drives the sliding rod to slide upwards or downwards on the fixing frame. According to the invention, the accurate fine adjustment of the height of the electrode is realized through the worm and gear structure, the height of the electrode can be adjusted in real time, and the metallurgical quality of electroslag remelting can be effectively improved.
Description
Technical Field
The invention relates to a general mechanical manufacturing technology, in particular to an electrode lifting device of an electroslag furnace, and belongs to the technical field of metallurgical equipment manufacturing.
Background
The electroslag furnace is a special smelting equipment for producing heat energy by using remelting current to melt consumable electrode inserted into slag pool, after the metal molten drop is cleaned by slag liquid, crystallizing into electroslag ingot in water-cooling crystallizer, and because of the impurity-removing action of slag liquid and good crystallization condition, the electroslag remelting metal has good purity, and its as-cast structure is fine and uniform, has no white point and annual ring segregation, and its sulfur content is very low, and its impurity is fine and dispersed. Therefore, electroslag remelting is in monopoly in large and medium-sized forgings and module blank production, and is a unique place in electroslag casting special-shaped parts of high-quality tool and die steel, maraging steel, dual-phase steel tube blanks and cold-rolled roller electroslag steel, the annual output of the domestic electroslag steel reaches hundreds of thousands of tons, an electroslag furnace is an essential production device of a special steel plant, and electroslag metallurgy has three basic functions of heating, refining and sequential crystallization.
The consumable electrode in the prior art is installed in the one end of electrode pole, can not the accurate height of adjusting the consumable electrode, influences production quality, and consumable electrode passes through bolt and electrode pole fixed connection among the prior art moreover, and the structure is complicated difficult to change, has seriously influenced production efficiency.
Disclosure of Invention
The invention provides a novel electroslag furnace electrode lifting device, which can accurately adjust the height through a worm gear structure so as to solve the technical problem that the height of an electroslag furnace electrode is difficult to accurately adjust in the prior art.
The electrode lifting device of the electroslag furnace provided by the embodiment of the invention comprises: the device comprises a fixing frame, a slide bar, a worm wheel and a worm; the sliding rod can be arranged on the fixing frame in an up-and-down sliding way; a motor is also fixed on the fixing frame and is provided with a driving shaft;
The upper part of the sliding rod is provided with a rack along the sliding direction of the sliding rod, and the bottom end of the sliding rod is provided with an electrode;
The worm wheel is rotatably arranged on the fixing frame; the worm is arranged on the driving shaft and is contacted with the rack through the worm wheel; the driving shaft rotates, so that the worm drives the worm wheel to rotate, and the rack drives the sliding rod to slide upwards or downwards on the fixing frame.
The electroslag furnace electrode lifting device is characterized in that a cleaner is also arranged on the fixing frame; the cleaner comprises: two scrapers; the two scraping plates are sleeved on the outer side of the sliding rod and are in contact with the sliding rod.
The electroslag furnace electrode lifting device as described above, wherein the cleaner further comprises: two cylinders; one end of each cylinder is fixed on the fixing frame, and the other end is a telescopic end; the telescopic end is provided with one scraping plate; the cylinder stretches and contracts to enable the scraping plate to be close to or far away from the sliding rod.
The electroslag furnace electrode lifting device, wherein each scraping plate is provided with a semicircular groove; a plurality of hard scrapers are arranged in the semicircular grooves; the scraping plate is contacted with the outer diameter of the sliding rod through the hard scraping plate.
The electroslag furnace electrode lifting device is characterized in that an angle regulator is arranged between the telescopic end and the scraping plate; the telescopic end is connected with the scraping plate through the angle adjuster.
The electroslag furnace electrode lifting device, wherein a coupler is arranged at the end part of the driving shaft and is connected with the worm through the coupler; the worm is located on the same axis as the drive shaft.
The electroslag furnace electrode lifting device is characterized in that a vertical sliding hole is formed in the fixing frame; the sliding rod is sleeved in the sliding hole and can slide up and down along the sliding hole; the top of slide bar is provided with limit baffle, is provided with the lifting hole on this limit baffle.
The electroslag furnace electrode lifting device is characterized in that a protective sleeve is arranged at the bottom of the sliding rod, and the outer diameter of the protective sleeve is the same as that of the sliding rod; the electrode is sleeved in the protective sleeve, and the top end of the electrode is fixedly connected with the sliding rod.
The electroslag furnace electrode lifting device is characterized in that the motor is a servo motor.
The electroslag furnace electrode lifting device, wherein the sliding hole is a C-shaped hole; the rack is positioned at the opening of the C-shaped hole.
In the embodiment of the invention, the high-precision fine adjustment of the electrode is realized through the worm and gear structure, the height of the electrode can be adjusted in real time, and the metallurgical quality of electroslag remelting can be effectively improved.
Drawings
FIG. 1 is a side view of an electrode lifting device for an electroslag furnace according to an embodiment of the present invention.
Detailed Description
The electroslag furnace electrode lifting device can be made of the following materials and components, and is not limited to the following materials and components, for example: worm gear, worm, electrode, rack, cylinder, transmission shaft, limiting plate, motor etc..
FIG. 1 is a side view of an electrode lifting device of an electroslag furnace according to an embodiment of the present invention;
the electroslag furnace electrode lifting device of this embodiment includes: the fixing frame 1, the slide bar 2, the worm wheel 4 and the worm 50; the sliding rod 2 is arranged on the fixing frame 1 in a vertically sliding way; a motor 5 is also fixed on the fixing frame 1, and the motor 5 is provided with a driving shaft to output power.
Typically, the motor 5 is a servo motor.
A rack 20 is arranged on the upper part of the sliding rod 2 along the sliding direction of the sliding rod, and an electrode 3 is arranged at the bottom end of the sliding rod 2; the electrode 3 is intended to be brought into proximity with the metallurgical raw material and has been subjected to electroslag smelting.
The worm wheel 4 is rotatably arranged on the fixed frame 1; the worm wheel 4 has a worm wheel rotation shaft 40, and is mounted on the mount 1 via the worm wheel rotation shaft 40.
The worm 50 is mounted on the driving shaft and contacts the rack 20 through the worm wheel 4; that is to say; the worm 50 is meshed with the worm wheel 4, and then the worm wheel 4 is rotated to drive the rack to move. The driving shaft rotates to enable the worm 50 to drive the worm wheel 4 to rotate, so that the rack 20 drives the sliding rod 2 to slide upwards or downwards in the fixing frame 1.
In the embodiment of the invention, the high-precision fine adjustment of the electrode is realized through the worm and gear structure, the height of the electrode can be adjusted in real time, and the metallurgical quality of electroslag remelting can be effectively improved. The worm and gear structure is more energy-saving, and the adjusting precision is high.
In the electroslag furnace electrode lifting device of the embodiment, a cleaner is also arranged on the fixing frame 1; the cleaner comprises: two blades 12; the two scraping plates 12 are sleeved on the outer side of the sliding rod 2 and are in contact with the sliding rod 2.
Further, the cleaner further comprises: two cylinders 11; one end of each cylinder 11 is fixed on the fixing frame 1, and the other end is a telescopic end; said telescoping end having one of said blades 12 mounted thereon; the cylinder 11 is extended and contracted to make the scraper 12 approach or separate from the slide bar 2. The fixing frame 1 is provided with a supporting arm 10, one end of the air cylinder is fixed on the supporting arm 10, and the other end is connected with the scraping plate 12.
Preferably, each scraper 12 has a semicircular groove thereon; a plurality of hard scrapers are arranged in the semicircular grooves; the scraping plate 12 is contacted with the outer diameter of the sliding rod 2 through the hard scraping knife.
The semi-circular recess allows the entire outer radial surface of the slide bar 2 to be brought into contact with the scraper blade 12 to clean the residue and contaminants therefrom.
Preferably, an angle regulator is also arranged between the telescopic end and the scraping plate 12; the telescoping end is connected to the blade 12 by the angle adjuster. The angle regulator can be fixed and adjusted, and the included angle between the scraping plate 12 and the air cylinder 11 is adjusted, so that the contact area between the scraping plate 12 and the sliding rod 2 is adjusted, and the cleaning requirements under different working conditions are met.
In the electroslag furnace electrode lifting device of the embodiment, a coupler 51 is arranged at the end part of the driving shaft, and the coupler 51 is connected with the worm 50; the worm 50 is on the same axis as the drive shaft.
In general, the fixing frame 1 is provided with a vertical sliding hole; the sliding rod 2 is sleeved in the sliding hole and can slide up and down along the sliding hole; the top of slide bar 1 is provided with limit baffle 21, is provided with the lifting hole on this limit baffle 21. The lifting hole is used for withdrawing the whole slide bar 2 when the electrode 3 is replaced, thereby being convenient for operation.
In the electroslag furnace electrode lifting device of the embodiment, a protective sleeve 22 is arranged at the bottom of the slide rod 2, and the outer diameter of the protective sleeve 22 is the same as the outer diameter of the slide rod 2; the electrode 3 is sleeved in the protective sleeve 22, and the top end of the electrode 3 is fixedly connected with the slide rod 2. The protective sleeve 22 is used for conveniently butting the electrode 3 when replacing the electrode 3, so that quick replacement is realized.
Typically, the slide hole is a C-shaped hole; the rack 20 is positioned at the opening of the C-shaped hole, so that the rack is convenient to be meshed with the worm wheel 4; the effect of placing the slide bar 2 to rotate is also achieved.
The electrode lifting device of the electroslag furnace has the advantages that:
1. according to the invention, a user can clean the outer surface of the sliding rod through the cleaner in the electrode lifting process, so that the pollution on the outer side of the sliding rod is avoided; the service life is prolonged;
2. the worm and gear structure not only can accurately fine-adjust the height and improve the use experience, but also reduces the requirement on a driving motor;
3. the height of the electrode can be accurately regulated in real time according to the liquid level.
In addition, the electroslag furnace electrode lifting device has the advantages of low manufacturing cost, high adjustment precision, compact structural design, stable finished product quality, convenient electrode replacement, convenient maintenance and cleaning, and suitability for lifting control systems of various modified electroslag furnace electrodes.
The foregoing embodiment numbers of the present invention are merely for the purpose of description, and do not represent the advantages or disadvantages of the embodiments. From the description of the above embodiments, it will be apparent to those skilled in the art that the above example methods may be implemented by means of a superposition of some variants plus the necessary general techniques; of course, the method can also be realized by simplifying some important technical features. Based on such understanding, the technical solution of the present invention essentially or partly contributes to the prior art is: the whole structure and the connection mode are matched with the structures described in the various embodiments of the invention.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and not for limiting the same; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the invention.
Claims (10)
1. An electroslag furnace electrode lifting device, characterized by comprising: the device comprises a fixing frame, a slide bar, a worm wheel and a worm; the sliding rod can be arranged on the fixing frame in an up-and-down sliding way; a motor is also fixed on the fixing frame and is provided with a driving shaft;
The upper part of the sliding rod is provided with a rack along the sliding direction of the sliding rod, and the bottom end of the sliding rod is provided with an electrode;
The worm wheel is rotatably arranged on the fixing frame; the worm is arranged on the driving shaft and is contacted with the rack through the worm wheel; the driving shaft rotates, so that the worm drives the worm wheel to rotate, and the rack drives the sliding rod to slide upwards or downwards on the fixing frame.
2. The electroslag furnace electrode lifting device according to claim 1, wherein a cleaner is further installed on the fixing frame; the cleaner comprises: two scrapers; the two scraping plates are sleeved on the outer side of the sliding rod and are in contact with the sliding rod.
3. The electroslag furnace electrode elevating device according to claim 3, wherein the cleaner further comprises: two cylinders; one end of each cylinder is fixed on the fixing frame, and the other end is a telescopic end; the telescopic end is provided with one scraping plate; the cylinder stretches and contracts to enable the scraping plate to be close to or far away from the sliding rod.
4. The electroslag furnace electrode lifting device of claim 4, wherein each scraper has a semicircular groove thereon; a plurality of hard scrapers are arranged in the semicircular grooves; the scraping plate is contacted with the outer diameter of the sliding rod through the hard scraping plate.
5. The electroslag furnace electrode lifting device according to claim 5, wherein an angle adjuster is further arranged between the telescopic end and the scraper; the telescopic end is connected with the scraping plate through the angle adjuster.
6. The electroslag furnace electrode lifting device according to any one of claims 1 to 5, wherein the end of the driving shaft is provided with a coupling through which it is connected to the worm; the worm is located on the same axis as the drive shaft.
7. The electroslag furnace electrode lifting device according to any one of claims 1-3, wherein a vertical sliding hole is arranged on the fixing frame; the sliding rod is sleeved in the sliding hole and can slide up and down along the sliding hole; the top of slide bar is provided with limit baffle, is provided with the lifting hole on this limit baffle.
8. An electroslag furnace electrode lifting device according to any one of claims 1-3, wherein a protective sleeve is arranged at the bottom of the slide bar, and the outer diameter of the protective sleeve is the same as that of the slide bar; the electrode is sleeved in the protective sleeve, and the top end of the electrode is fixedly connected with the sliding rod.
9. An electroslag furnace electrode lifting device as claimed in any one of claims 1-3, wherein the motor is a servo motor.
10. The electroslag furnace electrode lifting device of claim 7, wherein the slide hole is a C-shaped hole; the rack is positioned at the opening of the C-shaped hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311850195.4A CN118006907A (en) | 2023-12-29 | 2023-12-29 | Electrode lifting device of electroslag furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311850195.4A CN118006907A (en) | 2023-12-29 | 2023-12-29 | Electrode lifting device of electroslag furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN118006907A true CN118006907A (en) | 2024-05-10 |
Family
ID=90945408
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311850195.4A Pending CN118006907A (en) | 2023-12-29 | 2023-12-29 | Electrode lifting device of electroslag furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN118006907A (en) |
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2023
- 2023-12-29 CN CN202311850195.4A patent/CN118006907A/en active Pending
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