CN206799725U - A kind of atmosphere furnace and austenitic stainless steel superficial treatment system - Google Patents
A kind of atmosphere furnace and austenitic stainless steel superficial treatment system Download PDFInfo
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- CN206799725U CN206799725U CN201720413239.0U CN201720413239U CN206799725U CN 206799725 U CN206799725 U CN 206799725U CN 201720413239 U CN201720413239 U CN 201720413239U CN 206799725 U CN206799725 U CN 206799725U
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Abstract
The utility model provides a kind of atmosphere furnace, including body of heater, body of heater is provided with bell, bell is provided with motor, blower fan is provided with body of heater, the output shaft of fan shaft through bell and the motor of blower fan is connected by shaft coupling, and sealed bearings are provided between fan shaft and bell, fan shaft exposes being partially disposed in the housing of motor of bell, is tightly connected between the housing of motor and bell upper surface.The atmosphere furnace good airproof performance, by the dynamic sealing between body of heater and motor, it ensure that the stabilization of air pressure in body of heater；In addition, the utility model additionally provides austenitic stainless steel superficial treatment system, austenitic stainless steel is handled by the system and not only increases its carburizing effect, and it can effectively remove its surface attachments, it is high to polish precision, can reach micro/nano level, color and luster is bright in vain, meet the requirement to austenitic stainless steel high accuracy and color and luster etc. in the fields such as chemical industry, nuclear industry, expand the use range of austenitic stainless steel.
Description
Technical field
It the utility model is related to a kind of atmosphere furnace and austenite stainless for the unconventional gas carburizing of austenitic stainless steel
Steel surface treatment system.
Background technology
Austenitic stainless steel is widely used in chemical industry, automobile, medicine machinery, electric elements, sea-freight and ocean component, decoration
And the field such as daily necessities, typical part such as water pump, gear, pipeline, valve valve seat etc..The chemical industry such as filter, pipe joint, ball valve
Industry field fluid part will not only have good corrosion resisting property, and need certain anti-wear performance, so as to ensure it repeatedly
Use in will not cause because of abrasion size diminish cause workpiece fail or prolonged corrosion cause chemical liquid drop,
Phenomena such as leakage, race.The surface peening means such as conventional chemical heat treatment, thermal spraying, surface deposition, ion implanting, easily cause resistance to
Corrosion declines, disbonding, or technological operation is difficult, reinforcing effect is poor.The unconventional gas carburizing of austenitic stainless steel is effective
Solve and keep its excellent corrosion resistance while improving its case hardness, the technology progressively be applied to chemical industry ball
In the industries such as the steam brake valve in valve, bullet train, promote the development of austenitic stainless steel industry.
And austenitic stainless steel needs to be constantly in carburizing atmosphere in the unconventional Gas Carburizing Process of austenitic stainless steel,
Therefore it is fully sealed position to need reacting furnace, and the reacting furnace of the unconventional gas carburizing of existing austenitic stainless steel and stirring
There can be gap between the blower fan of carburizing atmosphere, it is impossible to reacting furnace is met the requirement being fully sealed, so as to which austenite can be influenceed
The carburizing effect of stainless steel.
Carried out further, since the unconventional gas carburizing of austenitic stainless steel needs multiple pre-treatment, carburizing to intersect, cause to ooze
The component of polymer of carbon part surface attachment is complicated, and the number of levels of polymer is relatively more, is broadly divided into three layers, outermost layer is not expand
The remaining carbon atom accumulation dissipated into base material forms, i.e. the sedimentary of simple substance carbon；Intermediate layer is the chloro- chromium of pretreatment process residual
Compound；Innermost layer is the simple substance carbon-coating not spread completely.These attachments and base material poor bonding strength, in the effect of frictional force
Under, attachment composition granule can come off in structural member, because it has strong corrosivity, corrosion can be caused to damage to other structures part
It is bad, thus typically austenitic stainless steel carburizing part is processed by shot blasting before the use.
The utility model provides removes the unconventional gas carburizing part surface attachments of austenitic stainless steel using laser
Superficial treatment system.
Utility model content
The purpose of this utility model is that the atmosphere furnace for overcoming the unconventional gas carburizing of existing austenitic stainless steel seals not
Completely, the problem of influenceing carburizing effect.
Therefore, the utility model provides a kind of atmosphere furnace, including body of heater, the body of heater is provided with bell, the bell
Motor is provided with, blower fan is provided with the body of heater, the output shaft of fan shaft through bell and the motor of the blower fan passes through shaft coupling
Device connects, and sealed bearings is provided between the fan shaft and bell, the fan shaft exposes the shell for being partially disposed in motor of bell
In vivo, it is tightly connected between the housing of the motor and bell upper surface.
Further, the bell is divided into bell and lower bell, is fixedly connected between the lower bell and body of heater, described
It is tightly connected between upper bell and lower bell.
Further, the sealed bearings are divided into upper bearing (metal) and lower bearing, and the upper bearing (metal) is arranged on bell and blower fan
Between axle, lower bearing is arranged between lower bell and fan shaft.
Further, the upper surface of the sealed bearings is higher than the upper surface of bell, the housing and seal shaft of the motor
It is tightly connected between holding by seal.
Further, the seal is O-ring seal.
Further, it is provided with material frame in the body of heater.
In addition, the utility model additionally provides a kind of austenitic stainless steel superficial treatment system, including carburizing station and swash
Light polishes station, and the mechanical arm being arranged between carburizing station and laser polishing station, is placed on the carburizing station
Atmosphere furnace, laser holographic scanning instrument, laser range finder and turnable pulse width nanosecond laser are set gradually on the laser polishing station
Device.
Compared with prior art, the beneficial effects of the utility model：
(1) this atmosphere furnace provided by the utility model is in complete by sealed bearings and electric machine casing fan shaft
In the space of sealing, effectively overcome between existing fan shaft and bell and gap be present, it is impossible to reach fully sealed position, and shadow
The problem of ringing austenitic stainless steel case-carbonizing effect.
(2) this austenitic stainless steel superficial treatment system provided by the utility model utilizes laser first to austenite stainless
The attachment of steel surface is purged, then carries out laser polishing, and polishing precision is high, can reach micro/nano level, and color and luster is bright in vain, full
To the requirement of austenitic stainless steel high accuracy and color and luster etc. in the fields such as sufficient chemical industry, nuclear industry, expand austenitic stainless steel
Use range.
The utility model is described in further details below with reference to accompanying drawing.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model atmosphere furnace；
Fig. 2 is the enlarged drawing in A portions in Fig. 1；
Fig. 3 is the structural representation of the utility model austenitic stainless steel superficial treatment system.
Description of reference numerals：1st, body of heater；2nd, material frame；3rd, blower fan；4th, fan shaft；5th, lower bell；6th, upper bell；7th, seal shaft
Hold；8th, shaft coupling；9th, output shaft；10th, motor；11st, upper bearing (metal)；12nd, lower bearing；13rd, seal；14th, mechanical arm；15th, swash
Light holographic scanners；16th, laser range finder；17th, turnable pulse width nanosecond laser.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The all other embodiment obtained, belong to the scope of the utility model protection.
As shown in figure 1, a kind of atmosphere furnace is present embodiments provided, including body of heater 1, the body of heater 1 is provided with bell, described
Bell is provided with motor 10, is provided with blower fan 3 in the body of heater 1, and the fan shaft 4 of the blower fan 3 passes through the defeated of bell and motor 10
Shaft 9 is connected by shaft coupling 8, and sealed bearings 7 are provided between the fan shaft 4 and bell, and the fan shaft 4 exposes bell
It is partially disposed in the housing of motor 10, is tightly connected between the housing of the motor 10 and bell upper surface.
Austenitic stainless steel is put into the atmosphere furnace and carries out unconventional gas carburizing, carburizing atmosphere is filled with body of heater 1, electricity
Machine 10 drives fan shaft 4 to stir the carburizing atmosphere in body of heater 1, and because fan shaft 4 is in rotary state, it exists between bell
Certain gap, and the gap is sealed by sealed bearings 7, meanwhile, the housing of motor 10 covers fan shaft 4, motor
It is tightly connected between 10 housing and bell upper surface, so, is not fully sealed between fan shaft 4 and sealed bearings 7 at part
, also can only be in the limited of the enclosure interior of motor 10 even if the carburizing atmosphere revealed from body of heater 1 in the enclosure interior of motor 10
In space, poised state is reached between the enclosure interior of body of heater 1 and motor 10, forms dynamic sealing so that atmosphere furnace can reach
It is hermetically sealed, stable gas pressure in body of heater 1.
The embodiment of refinement, the bell are divided into bell 6 and lower bell 5, solid between the lower bell 5 and body of heater 1
Fixed connection, is tightly connected between the upper bell 6 and lower bell 5.The sealed bearings 7 are divided for upper bearing (metal) 11 and lower bearing 12,
The upper bearing (metal) 11 is arranged between bell 6 and fan shaft 4, and lower bearing 12 is arranged between lower bell 5 and fan shaft 4.On
The setting of bearing 11 and lower bearing 12, on the one hand can be tentatively to body of heater 1 carry out dynamic sealing, prevent the internal corrosion of body of heater 1
The internal corrosion motor 10 of motor 10 is channeled on carburizing gas, causes motor 10 to damage；On the other hand preferably fan shaft 4 can be risen
To support and positioning action.
Material frame 2 is provided with the body of heater 1, is entered pending workpiece (such as austenite stainless steel workpiece) by material frame 2
Row positioning.
Further, as shown in Fig. 2 the upper surface of the sealed bearings 7 is higher than the upper surface of bell, the motor 10
It is tightly connected between housing and sealed bearings 7 by seal 13；The seal 13 is O-ring seal.Sealed bearings 7 are pacified
Its upper surface protrudes bell upper surface during dress, and the housing and sealed bearings 7 for facilitating motor 10 are connected and sealed, and then make sealing
The gap not being fully sealed between bearing 7 and fan shaft 4 is in the space of a closing.
In addition, as shown in figure 3, the utility model additionally provides a kind of austenitic stainless steel superficial treatment system, including ooze
Carbon station and laser polishing station, and the mechanical arm 14 being arranged between carburizing station and laser polishing station, it is described to ooze
Atmosphere furnace is placed on carbon station, laser holographic scanning instrument 15, the and of laser range finder 16 are set gradually on the laser polishing station
Turnable pulse width nanosecond laser 17.
First, austenitic stainless steel is placed in above-mentioned atmosphere furnace, in low pressure（100~1000Pa）, medium temperature（480~500
℃）Under the conditions of carry out unconventional gas carburizing, after the completion of Carburization Treatment, by mechanical arm 14 by the austenite after Carburization Treatment
Stainless steel takes out from atmosphere furnace and moved at laser polishing station；Then, laser hologram is used using laser holographic scanning instrument 15
Scan mode obtains the surface profile of austenitic stainless steel, and by its data input into processor；Reuse laser range finder
16 carry out dynamic focusing according to the profile of austenite stainless steel surface；Finally using turnable pulse width nanosecond laser 17 to austenite
Stainless steel carries out laser polishing, and first passing through high power, small pulsewidth in laser polishing process tentatively removes the austenite after carburizing not
The attachment for steel surface of becoming rusty, is then polished using low-power, big pulsewidth.The austenitic stainless steel superficial treatment system uses
The above-mentioned atmosphere furnace being fully sealed carries out unconventional gas carburizing, and carburizing is stable, and effect is good, while is swashed by turnable pulse width nanosecond
Light device 17 is polished, and polishing precision is high, can reach micro/nano level, color and luster is bright in vain, and it is right in the fields such as chemical industry, nuclear industry to meet
Austenitic stainless steel high accuracy and the requirement of color and luster etc., expand the use range of austenitic stainless steel.
In summary, this atmosphere furnace good airproof performance provided by the utility model, by dynamic close between body of heater and motor
Envelope, ensure that the stabilization of air pressure in body of heater；In addition, austenitic stainless steel is through austenite stainless steel surface provided by the utility model
Processing system processing, not only increases the carburizing effect of austenitic stainless steel, and can effectively remove austenite stainless steel surface
Attachment, polishing precision is high, can reach micro/nano level, color and luster is bright in vain, meets in the fields such as chemical industry, nuclear industry to austenite
Stainless steel high accuracy and the requirement of color and luster etc., expand the use range of austenitic stainless steel.
Exemplified as above is only for example, not forming to the scope of protection of the utility model to of the present utility model
Limitation, it is every to be belonged to the same or analogous design of the utility model within the scope of protection of the utility model.
Claims (7)
1. a kind of atmosphere furnace, including body of heater (1), it is characterised in that：The body of heater (1) is provided with bell, and the bell is provided with
Motor (10), the body of heater (1) is interior to be provided with blower fan (3), and the fan shaft (4) of the blower fan (3) passes through bell and motor (10)
Output shaft (9) is connected by shaft coupling (8), and the fan shaft (4) is provided with sealed bearings (7), the fan shaft between bell
(4) expose being partially disposed in the housing of motor (10) of bell, sealed between the housing of the motor (10) and bell upper surface
Connection.
2. atmosphere furnace as claimed in claim 1, it is characterised in that：The bell is divided into bell (6) and lower bell (5), institute
State and be fixedly connected between lower bell (5) and body of heater (1), is tightly connected between the upper bell (6) and lower bell (5).
3. atmosphere furnace as claimed in claim 2, it is characterised in that：The sealed bearings (7) are divided into upper bearing (metal) (11) and lower axle
Hold (12), the upper bearing (metal) (11) is arranged between bell (6) and fan shaft (4), and lower bearing (12) is arranged on lower bell (5)
Between fan shaft (4).
4. atmosphere furnace as claimed in claim 1, it is characterised in that：The upper surface of the sealed bearings (7) is upper higher than bell
End face, it is tightly connected between the housing and sealed bearings (7) of the motor (10) by seal (13).
5. atmosphere furnace as claimed in claim 4, it is characterised in that：The seal (13) is O-ring seal.
6. atmosphere furnace as claimed in claim 1, it is characterised in that：Material frame (2) is provided with the body of heater (1).
A kind of 7. austenitic stainless steel superficial treatment system, it is characterised in that：Including carburizing station and laser polishing station, and
The mechanical arm (14) being arranged between carburizing station and laser polishing station, atmosphere furnace is placed on the carburizing station, it is described
Laser holographic scanning instrument (15), laser range finder (16) and turnable pulse width nanosecond laser are set gradually on laser polishing station
(17)。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720413239.0U CN206799725U (en) | 2017-04-19 | 2017-04-19 | A kind of atmosphere furnace and austenitic stainless steel superficial treatment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720413239.0U CN206799725U (en) | 2017-04-19 | 2017-04-19 | A kind of atmosphere furnace and austenitic stainless steel superficial treatment system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206799725U true CN206799725U (en) | 2017-12-26 |
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ID=60733352
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720413239.0U Active CN206799725U (en) | 2017-04-19 | 2017-04-19 | A kind of atmosphere furnace and austenitic stainless steel superficial treatment system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206799725U (en) |
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2017
- 2017-04-19 CN CN201720413239.0U patent/CN206799725U/en active Active
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