CN208331257U - A kind of thermometric sealing structure of vacuum melting furnace - Google Patents
A kind of thermometric sealing structure of vacuum melting furnace Download PDFInfo
- Publication number
- CN208331257U CN208331257U CN201820833493.0U CN201820833493U CN208331257U CN 208331257 U CN208331257 U CN 208331257U CN 201820833493 U CN201820833493 U CN 201820833493U CN 208331257 U CN208331257 U CN 208331257U
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- China
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- thermometric
- bellows
- thermocouple
- sprocket wheel
- thermometric bar
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- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
Abstract
The utility model discloses a kind of thermometric sealing structures of vacuum melting furnace, including vacuum drying oven, thermocouple, thermometric bar, guide sleeve, bellows, O-ring seal and driving mechanism, thermometer hole is offered on the side wall of vacuum drying oven, one end of the installation of TC in thermometric bar, thermocouple passes through thermometer hole and protrudes into vacuum drying oven, the other end of thermometric bar is connected with driving mechanism, guide sleeve is provided at thermometer hole, the thermometric bar is arranged in guide sleeve, bellows is arranged on thermometric bar, the both ends of bellows are provided with ring flange, the ring flange of bellows one end and the upper surface of guide sleeve connect, the ring flange of the bellows other end is connect with driving mechanism.
Description
Technical field
The utility model belong to vacuum melting furnace thermometry field more particularly to a kind of thermometric of vacuum melting furnace it is close
Seal structure.
Background technique
It is to be slidingly sealed in the sealing for the thermometric mode that vacuum metallurgy industry generallys use, it is this tightly to be embraced with sealing element
Tight thermometric bar seals vacuum.In order to avoid leakage when thermometric bar is flexible, sealing element needs to be fitted tightly on thermometric bar, is easy
Abrasion is generated, resistance ratios are larger, are also easy the elongated shape of gas leakage, poor sealing, and thermometric bar, the higher roughness in surface
It is required that difficulty of processing will be very big, cost is just high.
Summary of the invention
In order to solve the problems in the existing technology, the purpose of the utility model is to provide a kind of surveys of vacuum melting furnace
Warm sealing structure.
In order to realize above-mentioned purpose of utility model, the utility model uses technical solution as described below:
A kind of thermometric sealing structure of vacuum melting furnace, including vacuum drying oven, thermocouple, thermometric bar, guide sleeve, bellows, O
Type sealing ring and driving mechanism offer thermometer hole on the side wall of vacuum drying oven, and the installation of TC is in one end of thermometric bar
Portion, thermocouple pass through thermometer hole and protrude into vacuum drying oven, and the other end of thermometric bar is connected with driving mechanism, is provided at thermometer hole
Guide sleeve, the thermometric bar are arranged in guide sleeve, and bellows is arranged on thermometric bar, and the both ends of bellows are provided with
Ring flange, the ring flange of bellows one end and the upper surface of guide sleeve connect, the ring flange and driving mechanism of the bellows other end
Connection.
Further, it is provided with O-ring seal at the inner hole of the ring flange of the bellows other end, O-ring seal is sheathed on
On thermometric bar.
Further, the driving mechanism includes decelerating motor, support frame, sprocket wheel A, sprocket wheel B, chain and sliding seat, is subtracted
Sprocket wheel A is installed, support frame upper end is provided with sprocket wheel B, sprocket wheel A and sprocket wheel B and connects by chain drive on the output shaft of speed motor
It connects, the sliding seat is fixedly connected on chain, and the ring flange of the bellows other end is fixedly connected with the sliding seat.
Due to the adoption of the above technical scheme, the utility model has following superiority:
In thermometric, thermocouple replacement storehouse is mounted in vacuum drying oven bell upper end, drives chain movement by decelerating motor,
The sliding seat of chain-driving thereon moves up and down, so that thermometric bar drives thermocouple thereon to pass through from thermometer hole and from true
Empty furnace bell upper end is protruded into furnace body, and the utility model is sealed by bellows, and this non-contacting sealing structure is prolonged
Durable, no abrasion can work, and failure rate is very low compared with existing conventional seals in high vacuum environment hollow grassland, several
Without maintenance cost.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the structural schematic diagram of driving mechanism；
In figure: 1, bellows；2, O-ring seal；3, thermometric bar；4, guide sleeve；5, thermocouple replaces storehouse；6, thermocouple；
7, decelerating motor；8, support frame；9, chain；10, sliding seat；11, sprocket wheel B.
Specific embodiment
The technical solution of the utility model is described in further detail with reference to the accompanying drawings and embodiments.
As shown in Figure 1, 2, the thermometric sealing structure of a kind of vacuum melting furnace, including vacuum drying oven, thermocouple 6, thermometric bar 3,
Guide sleeve 4, bellows 1, O-ring seal 2 and driving mechanism offer thermometer hole, the thermocouple 6 on the side wall of vacuum drying oven
It is mounted on the one end of thermometric bar 3, thermocouple 6 passes through thermometer hole and protrudes into vacuum drying oven, and the other end of thermometric bar 3 is connected with driving
Mechanism is provided with guide sleeve 4 at thermometer hole, and the thermometric bar 3 is arranged in guide sleeve 4, is arranged with ripple on thermometric bar 3
Pipe 1, the both ends of bellows 1 are provided with ring flange, and the ring flange of 1 one end of bellows is connect with the upper surface of guide sleeve 4, wave
The ring flange of 1 other end of line pipe is connect with driving mechanism.
O-ring seal 2 is provided at the inner hole of the ring flange of 1 other end of bellows, O-ring seal 2 is sheathed on thermometric bar 3
On.
As shown in Fig. 2, the driving mechanism includes decelerating motor 7, support frame 8, sprocket wheel A, sprocket wheel B11, chain 9 and sliding
Seat 10 is equipped with sprocket wheel A on the output shaft of decelerating motor 7, and it is logical that 8 upper end of support frame is provided with sprocket wheel B11, sprocket wheel A and sprocket wheel B11
The transmission connection of chain 9 is crossed, the sliding seat 10 is fixedly connected on chain 9, the ring flange and sliding seat 10 of 1 other end of bellows
It is fixedly connected.
In practical applications, thermocouple replacement storehouse is arranged on vacuum drying oven bell to the utility model, is matched on bell
Equipped with the through-hole that furnace body progress thermometric is passed through and protruded into for thermocouple, in thermometric, passes through decelerating motor and drive chain movement, chain
Item drives sliding seat thereon to move up and down, so that thermometric bar drives thermocouple thereon to pass through from thermometer hole and from vacuum
Furnace bell upper end is protruded into furnace body, and the utility model is sealed by bellows, and this non-contacting sealing structure is prolonged resistance to
With no abrasion can work, and failure rate is very low, almost compared with existing conventional seals in high vacuum environment hollow grassland
Without maintenance cost.
After being used once due to thermocouple, it is necessary to re-replace, therefore, for the ease of replacing thermocouple, in thermocouple
Replacement is provided with the door that can be opened and closed on storehouse, when replacement, opens door, removes used thermocouple and install again new
Thermocouple, close door.
In addition, the decelerating motor is fixed on the support frame, support frame is on the furnace wall for being fixed on vacuum drying oven in thermometric.
Claims (3)
1. a kind of thermometric sealing structure of vacuum melting furnace, including thermocouple replace storehouse, thermocouple, thermometric bar, guide sleeve, ripple
Pipe, O-ring seal and driving mechanism, it is characterised in that: being provided on the side in thermocouple replacement storehouse can open and close
Door offers mounting hole at the top of thermocouple replacement storehouse, offers and the mounting hole in the bottom in thermocouple replacement storehouse
Corresponding thermometer hole, the installation of TC thermometric bar one end, thermocouple pass through mounting hole protrude into thermocouple replacement
In storehouse, the other end of thermometric bar is connected with driving mechanism, and guide sleeve is provided at thermometer hole, and the thermometric bar is arranged in guiding
In set, be arranged with bellows on thermometric bar, the both ends of bellows are provided with ring flange, the ring flange of bellows one end with
The upper surface of guide sleeve connects, and the ring flange of the bellows other end is connect with driving mechanism.
2. the thermometric sealing structure of vacuum melting furnace according to claim 1, it is characterised in that: the method for the bellows other end
O-ring seal is provided at the inner hole of blue disk, O-ring seal is sheathed on thermometric bar.
3. the thermometric sealing structure of vacuum melting furnace according to claim 1, it is characterised in that: the driving mechanism includes
Decelerating motor, support frame, sprocket wheel A, sprocket wheel B, chain and sliding seat are equipped with sprocket wheel A, support frame on the output shaft of decelerating motor
Upper end is provided with sprocket wheel B, sprocket wheel A and sprocket wheel B and is connected by chain drive, and the sliding seat is fixedly connected on chain, ripple
The ring flange of the pipe other end is fixedly connected with the sliding seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820833493.0U CN208331257U (en) | 2018-05-31 | 2018-05-31 | A kind of thermometric sealing structure of vacuum melting furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820833493.0U CN208331257U (en) | 2018-05-31 | 2018-05-31 | A kind of thermometric sealing structure of vacuum melting furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208331257U true CN208331257U (en) | 2019-01-04 |
Family
ID=64772173
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820833493.0U Active CN208331257U (en) | 2018-05-31 | 2018-05-31 | A kind of thermometric sealing structure of vacuum melting furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208331257U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113432736A (en) * | 2021-06-22 | 2021-09-24 | 西安热工研究院有限公司 | Casing pipe capable of replacing temperature measuring points of penultimate and last-stage blades on line |
-
2018
- 2018-05-31 CN CN201820833493.0U patent/CN208331257U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113432736A (en) * | 2021-06-22 | 2021-09-24 | 西安热工研究院有限公司 | Casing pipe capable of replacing temperature measuring points of penultimate and last-stage blades on line |
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