CN210346293U - Intermediate frequency furnace bottom shielding device - Google Patents
Intermediate frequency furnace bottom shielding device Download PDFInfo
- Publication number
- CN210346293U CN210346293U CN201921209591.8U CN201921209591U CN210346293U CN 210346293 U CN210346293 U CN 210346293U CN 201921209591 U CN201921209591 U CN 201921209591U CN 210346293 U CN210346293 U CN 210346293U
- Authority
- CN
- China
- Prior art keywords
- intermediate frequency
- tenon
- semicircular plate
- frequency furnace
- shielding device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000003466 welding Methods 0.000 claims description 7
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 5
- 229910052802 copper Inorganic materials 0.000 claims description 5
- 239000010949 copper Substances 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 3
- 238000010030 laminating Methods 0.000 abstract description 3
- 238000010438 heat treatment Methods 0.000 description 5
- 239000004020 conductor Substances 0.000 description 3
- 230000004907 flux Effects 0.000 description 3
- 238000010791 quenching Methods 0.000 description 3
- 230000000171 quenching effect Effects 0.000 description 3
- 230000035939 shock Effects 0.000 description 3
- 230000000703 anti-shock Effects 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 230000006698 induction Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
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- General Induction Heating (AREA)
Abstract
The utility model discloses an intermediate frequency furnace stove bottom shield assembly, including first semi-circular board and second semi-circular board, there is at least one tenon on the first composition surface of first semi-circular board, exist on the second composition surface of second semi-circular board with the tenon position just right and with can with the seamless mortise of laminating of tenon. Through the joggle structure, further increased the area of composition surface, increased the overcurrent ability to for sawtooth pattern faying face, the concatenation is swift, and is not fragile.
Description
Technical Field
The utility model belongs to the technical field of the intermediate frequency furnace and specifically relates to a furnace bottom shielding device of intermediate frequency furnace is related to.
Background
In the operation of intermediate frequency furnace, the furnace shaft body that the intermediate frequency furnace arouses because of the magnetic leakage and handles, because the intermediate frequency furnace reveals that the magnetic field is very big, causes near conductor induction to go out very strong electric potential, and the electric potential that the induction goes out is different between different conductors, when the conductor short circuit difference electric potential that removes, causes the phenomenon of striking sparks. The leakage flux of the intermediate frequency furnace always troubles the work difficulty of maintenance personnel, and the root cause of the phenomenon is that most maintenance personnel are not clear about the generation reason of the leakage flux of the intermediate frequency furnace and have errors about the understanding of the heating principle of the intermediate frequency furnace body caused by the leakage flux, so that when the intermediate frequency furnace has the faults, a feasible solution cannot be found.
The original furnace bottom shielding device of the intermediate frequency furnace is formed by welding 2 semicircular copper plates with the radius of 1100mm and the thickness of 5mm, the joint surfaces of the copper plates are linear, and the joint surfaces are not enough in overcurrent capacity, the shielding device is hard and is not subjected to heat treatment, and the anti-shock capability is poor, so that the joint surfaces of the original furnace bottom shielding device of the intermediate frequency furnace are easy to crack.
In the prior art, aiming at the defects of the original intermediate frequency furnace bottom shielding device, the intermediate frequency furnace bottom shielding device with the sawtooth-shaped joint surface is provided, the overcurrent capacity is increased by increasing the area of the joint surface through sawtooth-shaped combination, and the shock resistance is increased through heat treatment. However, the shielding device with zigzag type joint is not easy to make two plates completely aligned in the welding process, which causes great inconvenience to welding, and the zigzag type structure itself is easy to damage, which easily causes unnecessary loss.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that an intermediate frequency furnace bottom shielding device which is convenient to weld and not easy to damage is provided.
The utility model adopts the technical scheme that an intermediate frequency furnace stove bottom shield assembly, including first semicircle board and second semicircle board, there is at least one tenon on the first composition surface of first semicircle board, exist on the second composition surface of second semicircle board with the tenon position just right and with the seamless mortise of laminating of tenon.
The utility model has the advantages that: by combining the tenon and the mortise, the damage prevention capability of the joint structure is improved, and the overcurrent capability is increased by increasing the area of the joint surface.
Preferably, the tenon is of a cross structure, and the area of the joint surface is increased.
Preferably, the cross-shaped port of the tenon is arc-shaped, so that the area of the joint surface is further increased.
Preferably, the first semicircular plate, the second semicircular plate and the tenon are made of copper materials, so that the first semicircular plate, the second semicircular plate and the tenon are easy to conduct electricity.
Preferably, the first semicircular plate and the second semicircular plate have a radius of 1100mm and a thickness of 5mm, and are unified with a conventional intermediate frequency furnace.
Preferably, the first semicircular plate and the second semicircular plate are joined together and then fixed by welding, so that the first semicircular plate and the second semicircular plate are not easily disassembled.
Preferably, the shielding device is subjected to heat treatment of raising the temperature from normal temperature to 350 ℃ per hour, then keeping the temperature for 20 minutes, and then discharging and quenching to increase the shock resistance and overcurrent capacity of the shielding device.
Drawings
FIG. 1 is a general schematic view of the present invention;
FIG. 2 is a schematic view of the joining surface of the first semicircular plate of the present invention;
FIG. 3 is a schematic cross-sectional view of a first semicircular plate according to the present invention;
FIG. 4 is a schematic cross-sectional view of a second half-round plate according to the present invention;
as shown in the figure: 1. a first semi-circular plate; 2. a second semicircular plate; 3. a first bonding surface; 4. a tenon; 5. mortises; 6. a second bonding surface; 7. a cross-configured port.
Detailed Description
The invention is further described below with reference to the accompanying drawings in combination with the embodiments so that those skilled in the art can implement the invention with reference to the description, and the scope of the invention is not limited to the embodiments.
As shown in fig. 1-4, the utility model discloses a furnace bottom shielding device of an intermediate frequency furnace, including first semicircle board 1 and second semicircle board 2, there is at least one tenon 4 on the first composition surface 3 of first semicircle board 1, exist on the second composition surface 6 of second semicircle board 2 with tenon 4 position just right and with can with the tenon 4 seamless mortise 5 of laminating.
By means of the combination of the tenon 4 and the mortise 5, the damage prevention capability of the joint structure is increased, and the overcurrent capability is increased by increasing the joint surface area.
The tenon 4 is of a cross structure, and the area of a joint surface is increased.
The port 7 of the cross structure of the tenon 4 is arc-shaped, so that the area of the joint surface is further increased.
The first semicircular plate 1, the second semicircular plate 2 and the tenon 4 are made of copper materials, so that the first semicircular plate, the second semicircular plate and the tenon are easy to conduct electricity.
The radius of the first semicircular plate 1 and the radius of the second semicircular plate 2 are both 1100mm, the thickness of the first semicircular plate is both 5mm, and the first semicircular plate and the second semicircular plate are unified with a conventional intermediate frequency furnace in specification.
After the first semicircular plate 1 and the second semicircular plate 2 are spliced, the fixing mode is welding, so that the first semicircular plate and the second semicircular plate are not easy to decompose.
The shielding device is subjected to heat preservation for 20 minutes after being heated from normal temperature to 50-350 ℃ per hour, and then is taken out of a furnace for quenching, so that the shock resistance and overcurrent capacity of the shielding device are improved.
During the welding, insert tenon 4 alignment mortise 5 earlier, can accomplish the concatenation of two semicircle boards fast, then weld first semicircle board 1 and second semicircle board 2, can obtain the shield assembly of preliminary completion. And then, heating the shielding device from the normal temperature to 350 ℃ per hour, preserving the heat for 20 minutes, and then discharging from the furnace for quenching to obtain the shielding device with stronger anti-shock and overcurrent capacity performance.
The number of the tenons 4 determines the area of the joint surface, and further determines the size of the overcurrent capacity, and the shielding devices with different overcurrent capacities can be obtained by arranging the semicircular plates of the tenons 4 with different numbers.
Claims (6)
1. The utility model provides an intermediate frequency furnace stove bottom shield assembly, includes first semicircle board (1) and second semicircle board (2), its characterized in that: there is at least one tenon (4) on first composition surface (3) of first semicircle board (1), exist on second composition surface (6) of second semicircle board (2) just right with tenon (4) position and with tenon (4) seamless laminated mortise (5).
2. The intermediate frequency furnace bottom shielding device according to claim 1, characterized in that: the tenon (4) is of a cross structure.
3. The intermediate frequency furnace bottom shielding device according to claim 1, characterized in that: the cross structure port (7) of the tenon (4) is arc-shaped.
4. The intermediate frequency furnace bottom shielding device according to claim 1, characterized in that: the first semicircular plate (1), the second semicircular plate (2) and the tenon (4) are all made of copper materials.
5. The intermediate frequency furnace bottom shielding device according to claim 1, characterized in that: the radius of the first semicircular plate (1) and the radius of the second semicircular plate (2) are both 1100mm, and the thickness of the first semicircular plate and the second semicircular plate are both 5 mm.
6. The intermediate frequency furnace bottom shielding device according to claim 1, characterized in that: and after the first semicircular plate (1) and the second semicircular plate (2) are spliced, the fixing mode is welding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921209591.8U CN210346293U (en) | 2019-07-30 | 2019-07-30 | Intermediate frequency furnace bottom shielding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921209591.8U CN210346293U (en) | 2019-07-30 | 2019-07-30 | Intermediate frequency furnace bottom shielding device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210346293U true CN210346293U (en) | 2020-04-17 |
Family
ID=70218111
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921209591.8U Expired - Fee Related CN210346293U (en) | 2019-07-30 | 2019-07-30 | Intermediate frequency furnace bottom shielding device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210346293U (en) |
-
2019
- 2019-07-30 CN CN201921209591.8U patent/CN210346293U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200417 |