CN108728612A - A kind of salt bath furnace doffer and salt bath heating stove - Google Patents
A kind of salt bath furnace doffer and salt bath heating stove Download PDFInfo
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- CN108728612A CN108728612A CN201810978785.8A CN201810978785A CN108728612A CN 108728612 A CN108728612 A CN 108728612A CN 201810978785 A CN201810978785 A CN 201810978785A CN 108728612 A CN108728612 A CN 108728612A
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- Prior art keywords
- salt
- curtain
- blanking
- workpiece
- channel
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- 150000003839 salts Chemical class 0.000 title claims abstract description 181
- 238000010438 heat treatment Methods 0.000 title claims abstract description 33
- 230000007246 mechanism Effects 0.000 claims abstract description 121
- 239000012267 brine Substances 0.000 claims abstract description 20
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 claims abstract description 20
- 239000011449 brick Substances 0.000 claims abstract description 17
- 238000002347 injection Methods 0.000 claims description 66
- 239000007924 injection Substances 0.000 claims description 66
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 23
- 230000003014 reinforcing effect Effects 0.000 claims description 13
- 229910052757 nitrogen Inorganic materials 0.000 claims description 12
- 238000005096 rolling process Methods 0.000 claims description 12
- 239000007921 spray Substances 0.000 claims description 8
- 238000004804 winding Methods 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims description 2
- 239000007787 solid Substances 0.000 claims 1
- 238000004513 sizing Methods 0.000 abstract description 8
- 239000000463 material Substances 0.000 description 8
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 7
- 238000010586 diagram Methods 0.000 description 7
- 239000007789 gas Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 5
- 238000010791 quenching Methods 0.000 description 3
- 238000004064 recycling Methods 0.000 description 3
- WCUXLLCKKVVCTQ-UHFFFAOYSA-M Potassium chloride Chemical compound [Cl-].[K+] WCUXLLCKKVVCTQ-UHFFFAOYSA-M 0.000 description 2
- 230000002950 deficient Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 230000000171 quenching effect Effects 0.000 description 2
- VWDWKYIASSYTQR-UHFFFAOYSA-N sodium nitrate Chemical compound [Na+].[O-][N+]([O-])=O VWDWKYIASSYTQR-UHFFFAOYSA-N 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000002912 waste gas Substances 0.000 description 2
- 229910001018 Cast iron Inorganic materials 0.000 description 1
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 229910001566 austenite Inorganic materials 0.000 description 1
- WDIHJSXYQDMJHN-UHFFFAOYSA-L barium chloride Chemical compound [Cl-].[Cl-].[Ba+2] WDIHJSXYQDMJHN-UHFFFAOYSA-L 0.000 description 1
- 229910001626 barium chloride Inorganic materials 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- 229910001562 pearlite Inorganic materials 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 235000011164 potassium chloride Nutrition 0.000 description 1
- 239000001103 potassium chloride Substances 0.000 description 1
- NNFCIKHAZHQZJG-UHFFFAOYSA-N potassium cyanide Chemical compound [K+].N#[C-] NNFCIKHAZHQZJG-UHFFFAOYSA-N 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- MNWBNISUBARLIT-UHFFFAOYSA-N sodium cyanide Chemical compound [Na+].N#[C-] MNWBNISUBARLIT-UHFFFAOYSA-N 0.000 description 1
- 235000010344 sodium nitrate Nutrition 0.000 description 1
- 239000004317 sodium nitrate Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/34—Methods of heating
- C21D1/44—Methods of heating in heat-treatment baths
- C21D1/46—Salt baths
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Furnace Details (AREA)
Abstract
The present invention provides a kind of salt bath furnace doffer and salt bath heating stoves, it is related to the blanking technical field of industrial furnace, salt bath furnace doffer includes workpiece conveying mechanism, workpiece blanking mechanism and salt curtain blanking mechanism, workpiece conveying mechanism is accommodated in heating furnace body, and workpiece conveying mechanism has discharge end corresponding with blanking port, and workpiece blanking mechanism has the first blanking channel of inner wall smooth, the top of first blanking channel is oppositely arranged with discharge end, salt curtain blanking mechanism is arranged in the lower section of blanking port, and salt curtain blanking mechanism has the second blanking channel, second blanking channel is oppositely arranged and is interconnected with the first blanking channel.Compared to the prior art, a kind of salt bath furnace doffer provided by the invention, avoids workpiece from being contacted with stove brick, so as to avoid there is that sizing phenomenon so that workpiece can swimmingly be fallen into brine, avoid the occurrence of " off-temper " phenomenon, ensure workpiece quality.
Description
Technical field
The present invention relates to the blanking technical fields of industrial furnace, in particular to a kind of salt bath furnace doffer and salt
Bathe heating furnace.
Background technology
Salt bath furnace, which refers to, to be used melting saline solution as heat medium, workpiece is immersed to the industrial furnace heated in saline solution.Salt bath furnace refers to
It uses melting saline solution as heat medium, workpiece is immersed to the industrial furnace heated in saline solution and (can be added in saline solution by metal electrode
Heat).According to the operating temperature of stove, sodium chloride, potassium chloride, barium chloride, Cymag, potassium cyanide, sodium nitrate, nitric acid are usually selected
The salts such as potassium are as heat medium.The heating speed of salt bath furnace is fast, and temperature is uniform.
In the prior art, the blanking of salt bath furnace goes directly to use stove brick to be in blanking channel, and due to itself table of stove brick
Face is coarse, therefore sizing is easy in blanking channel, and part thin-wall workpiece cannot be fallen directly into from heating furnace guipure inside brine,
But be detained on the stove brick of guipure lower part, the austenite in thin-wall workpiece can be changed into pearlite at this time, in turn result in " quenching
It is bad " phenomenon, influence the quality of workpiece.
In view of this, sizing can be avoided by designing and manufacturing one kind so that workpiece can smoothly be fallen into brine, be avoided out
Existing " off-temper " phenomenon, ensures that the salt bath furnace doffer of workpiece quality is just particularly important.
Invention content
The purpose of the present invention is to provide a kind of salt bath furnace doffers, can avoid sizing so that workpiece can be smooth
It falls into brine, avoids the occurrence of " off-temper " phenomenon, ensure workpiece quality.
Another object of the present invention is to provide a kind of salt bath heating stoves, can avoid sizing so that workpiece can be smooth
It falls into brine, avoids the occurrence of " off-temper " phenomenon, ensure workpiece quality.
The present invention is realized using technical solution below.
A kind of salt bath furnace doffer, in heating furnace body, heating furnace body has blanking port, salt bath furnace blanking for setting
Device includes workpiece conveying mechanism, workpiece blanking mechanism and salt curtain blanking mechanism, and workpiece conveying mechanism is for being accommodated in heating
In furnace body, and workpiece conveying mechanism has discharge end corresponding with blanking port, and workpiece blanking mechanism is for being arranged in blanking
At mouthful, and workpiece blanking mechanism has the first blanking channel of inner wall smooth, the top of the first blanking channel opposite with discharge end
Setting, salt curtain blanking mechanism is for being arranged in the lower section of blanking port, and salt curtain blanking mechanism has the second blanking channel, and second falls
Material channel is oppositely arranged and is interconnected with the first blanking channel.
Further, workpiece blanking mechanism includes the first material-falling hopper and the second material-falling hopper, the first material-falling hopper and the second blanking
Bucket is detachably connected and surrounds the first blanking channel jointly.
Further, the first material-falling hopper includes the first bucket body and the first connecting plate, and the first connecting plate is fixed at first
The outer lower portion of bucket body；Second material-falling hopper includes the second bucket body and the second connecting plate, and the second connecting plate is arranged in the second bucket body
Outer upper, the first bucket body and the second bucket body are oppositely arranged and surround jointly the first blanking channel, and the first connecting plate and second connect
Fishplate bar is overlapped and is bolted, and the second connecting plate is used to be connected to the supporting brick of blanking port.
Further, the lower end of the first bucket body have protruding portion, protruding portion stretch into the second bucket body and in the second bucket body
Wall fits.
Further, the outer surface of the first bucket body is provided with the first reinforcing rib structure, the first reinforcing rib structure and first
Side of the connecting plate far from the second connecting plate is fixedly connected；The outer surface of second bucket body is provided with the second reinforcing rib structure, the
Two reinforcing rib structures are fixedly connected with side of second connecting plate far from the first connecting plate.
Further, salt curtain blanking mechanism includes the first salt curtain injection pipe, the second salt curtain injection pipe and salt curtain material-falling hopper, salt
Curtain material-falling hopper is used to be connected to the lower section of blanking port, and salt curtain material-falling hopper is oppositely arranged with workpiece blanking mechanism and has second to fall
Expect channel, the first salt curtain injection pipe and the second salt curtain injection pipe connect with salt curtain material-falling hopper and be separately positioned on salt curtain material-falling hopper
Both sides, the first salt curtain injection pipe have the first injection channel, the second salt curtain injection pipe have the second injection channel, first injection
Channel and the second injection channel are connected to the second blanking channel, and the first salt curtain injection pipe is by the first salt curtain injection channel to
Two blanking channels spray brine, and the second salt curtain injection pipe sprays brine by the second salt curtain injection channel to the second blanking channel.
Further, salt curtain material-falling hopper includes salt curtain level-one bucket and salt curtain two level bucket, salt curtain level-one bucket and workpiece blanker
Structure is oppositely arranged and is used to be connected to the lower section of blanking port, and salt curtain two level bucket is detachably connected with salt curtain level-one bucket, and salt curtain two
Grade bucket surrounds the second blanking channel jointly with salt curtain level-one bucket, the first salt curtain injection pipe and the second salt curtain injection pipe with salt curtain one
Grade bucket connection.
Further, nitrogen air curtain mechanism is provided between workpiece blanking mechanism and salt curtain blanking mechanism, nitrogen air curtain mechanism is set
It sets in the lower section of workpiece blanking mechanism, for generating nitrogen curtain.
Further, workpiece conveying mechanism includes rolling tail roller, returning to roller, guipure and scraps recycle box, roll tail roller with
The upper end of workpiece blanking mechanism is oppositely arranged, and is returned to roller and is arranged in the lower section for rolling tail roller, guipure winding setting is rolling tail roller
With return on roller, scraps recycle box, which is arranged, to be returned to the lower section of roller and opposite is being set rolling tail roller and returning to the guipure between roller
It sets.
A kind of salt bath heating stove, including heating furnace body and salt bath furnace doffer, heating furnace body have blanking port, salt
Liquid furnace doffer includes workpiece conveying mechanism, workpiece blanking mechanism and salt curtain blanking mechanism, workpiece conveying mechanism have with
The corresponding discharge end of blanking port, workpiece blanking mechanism have inner wall smooth the first blanking channel, the top of blanking channel with
Discharge end is oppositely arranged, and salt curtain blanking mechanism has the second blanking channel, and the second blanking channel is opposite with the first blanking channel to be set
It sets and is interconnected.Workpiece conveying mechanism is accommodated in heating furnace body, and workpiece blanking mechanism is arranged at blanking port, and salt curtain is fallen
Material mechanism is arranged in the lower section of blanking port.
The invention has the advantages that：
A kind of salt bath furnace doffer provided by the invention, by workpiece conveying mechanism setting in heating furnace body, and work
There is part conveying mechanism discharge end corresponding with blanking port, thin-wall workpiece to be transported to falling for heating furnace by workpiece conveying mechanism
At material mouth, and blanking port is fallen into from discharge end, workpiece blanking mechanism is arranged at blanking port, and workpiece blanking mechanism has inner wall
The first smooth blanking channel, the top of the first blanking channel and the discharge end of workpiece conveying mechanism are oppositely arranged, salt curtain blanking
Mechanism is arranged in the lower section of blanking port, and salt curtain blanking mechanism has the second blanking channel, the second blanking channel and the first blanking
Channel is oppositely arranged and is interconnected.In actual moving process, workpiece is delivered to close to blanking port by workpiece conveying mechanism
One end and the first blanking channel that workpiece blanking mechanism is dropped by discharge end, due to the first blanking channel inner wall smooth, therefore work
Part can move smoothly through the first blanking channel and continue to drop downward into the second blanking channel, and eventually fall into brine, Bu Hui
It is stopped in first blanking channel.Compared to the prior art, a kind of salt bath furnace doffer provided by the invention, by the way that inner wall is arranged
Smooth workpiece blanking mechanism, avoids workpiece from being contacted with stove brick, so as to avoid there is that sizing phenomenon so that workpiece can be suitable
It freely falls into brine, avoids the occurrence of " off-temper " phenomenon, ensure workpiece quality.
A kind of salt bath furnace doffer provided by the invention, salt curtain material-falling hopper is arranged in the lower section of blanking port, and salt curtain
Material-falling hopper has the second blanking channel, and the first salt curtain injection pipe and the second salt curtain injection pipe are connect with salt curtain material-falling hopper and difference
It is arranged in the both sides of salt curtain material-falling hopper, there is the first salt curtain injection pipe the first injection channel, the second salt curtain injection pipe to have second
Injection channel, the first injection channel and the second injection channel are connected to the second blanking channel, and the first salt curtain injection pipe passes through
One salt curtain injection channel sprays brine to the second blanking channel, and the second salt curtain injection pipe is by the second salt curtain injection channel to second
Blanking channel sprays brine.In actual moving process, the first salt curtain injection pipe and second salt curtain injection pipe the second blanking of phase are logical
Brine and forming salt curtain are sprayed in road, and lower part can be avoided to quench the salt gas part to be formed and returned in stove, the holding furnace brick longevity is caused
Life reduces.
Description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly described, it should be understood that the following drawings illustrates only certain embodiments of the present invention, therefore is not construed as pair
The restriction of range for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other relevant attached drawings.
Fig. 1 is the structural schematic diagram for the salt bath furnace doffer that first embodiment of the invention provides；
Fig. 2 is the structural schematic diagram of workpiece blanking mechanism in Fig. 1；
Fig. 3 is the structural schematic diagram of the second material-falling hopper in Fig. 2；
Fig. 4 is the structural schematic diagram of the first material-falling hopper in Fig. 2；
Fig. 5 is the structural schematic diagram of salt curtain blanking mechanism in Fig. 1；
Fig. 6 is the structural schematic diagram of workpiece conveying mechanism in Fig. 1；
Fig. 7 is the structural schematic diagram for the salt bath heating stove that second embodiment of the invention provides.
Icon：10- salt bath heating stoves；100- salt bath furnace doffers；110- workpiece conveying mechanisms；111- rolls tail roller；
113- returns to roller；115- guipures；117- scraps recycle boxes；130- workpiece blanking mechanisms；The first material-falling hoppers of 131-；1311- first
Bucket body；The first connecting plates of 1313-；The first reinforcing ribs of 1315-；1317- protruding portions；The second material-falling hoppers of 133-；1331- second struggles against
Body；The second connecting plates of 1333-；The second reinforcing ribs of 1335-；150- salt curtain blanking mechanisms；151- the first salt curtain injection pipes；153-
Disalt curtain injection pipe；155- salt curtain material-falling hoppers；1551- salt curtain level-one buckets；1553- salt curtain two level buckets；157- nitrogen air curtain mechanisms；
The first blanking channels of 170-；The second blanking channels of 190-；200- heats furnace body.
Specific implementation mode
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.The present invention being usually described and illustrated herein in the accompanying drawings is implemented
The component of example can be arranged and be designed with a variety of different configurations.
Therefore, below the detailed description of the embodiment of the present invention to providing in the accompanying drawings be not intended to limit it is claimed
The scope of the present invention, but be merely representative of the present invention selected embodiment.Based on the embodiments of the present invention, this field is common
The every other embodiment that technical staff is obtained without creative efforts belongs to the model that the present invention protects
It encloses.
It should be noted that：Similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined, then it further need not be defined and explained in subsequent attached drawing in a attached drawing.
In the description of the present invention, it should be noted that term "center", "upper", "vertical", "horizontal", "inner", "outside"
The orientation or positional relationship of equal instructions is to be based on the orientation or positional relationship shown in the drawings or when invention product uses is used
The orientation or positional relationship often put, is merely for convenience of description of the present invention and simplification of the description, rather than indicates or imply and is signified
Device or element must have a particular orientation, with specific azimuth configuration and operation, therefore should not be understood as to the present invention
Limitation.In addition, term " first ", " second " etc. are only used for distinguishing description, it is not understood to indicate or imply relatively important
Property.
In the description of the present invention, it is also necessary to which explanation is unless specifically defined or limited otherwise, term " setting ",
" connected ", " installation ", " connection " shall be understood in a broad sense, for example, it may be fixedly connected, may be a detachable connection or one
Connect to body；It can be mechanical connection, can also be electrical connection；It can be directly connected, it can also be indirect by intermediary
It is connected, can is the connection inside two elements.For the ordinary skill in the art, on being understood with concrete condition
State the concrete meaning of term in the present invention.
Below in conjunction with the accompanying drawings, it elaborates to some embodiments of the present invention.In the absence of conflict, following
Feature in embodiment can be combined with each other.
First embodiment
Referring to Fig. 1, a kind of salt bath furnace doffer 100 is present embodiments provided, setting adds in heating furnace body 200
Hot stove ontology 200 have blanking port, salt bath furnace doffer 100 include workpiece conveying mechanism 110, workpiece blanking mechanism 130 with
And salt curtain blanking mechanism 150, workpiece conveying mechanism 110 is for being accommodated in heating furnace body 200, and workpiece conveying mechanism 110
With discharge end corresponding with blanking port, workpiece blanking mechanism 130 is for being arranged at blanking port, and workpiece blanking mechanism
130 the first blanking channels 170 with inner wall smooth, the top of the first blanking channel 170 are oppositely arranged with discharge end, and salt curtain is fallen
Material mechanism 150 is for being arranged in the lower section of blanking port, and salt curtain blanking mechanism 150 has the second blanking channel 190, the second blanking
Channel 190 is oppositely arranged and is interconnected with the first blanking channel 170.
In the present embodiment, it is piled up using stove brick at the blanking port of heating furnace body 200, workpiece blanking mechanism 130
It is embedded between stove brick and fits with workpiece conveying mechanism 110, so that the workpiece that workpiece conveying mechanism 110 conveys can
Workpiece blanking mechanism 130 is accurately fallen into, workpiece is avoided to be in contact with stove brick.
In the present embodiment, the lower section of salt curtain blanking mechanism 150 is provided with brine pit, and workpiece passes through the second blanking channel
It falls into brine pit and is quenched after 190.
In conjunction with referring to Fig. 2 to Fig. 4, workpiece blanking mechanism 130 includes the first material-falling hopper 131 and the second material-falling hopper 133, and first
Material-falling hopper 131 and the second material-falling hopper 133 are detachably connected and surround the first blanking channel 170 jointly.Specifically, the first material-falling hopper
131 and second material-falling hopper 133 be detachably connected, workpiece blanking mechanism 130 use two level bucket shape formula, it is easy to disassemble and safeguard.
In the present embodiment, the first material-falling hopper 131 and the second material-falling hopper 133 are all made of SUS310S stainless steels and are made, simultaneously
By alumetizing process, ensure weld seam not by industrial salt corrosion, inner wall smooth can avoid workpiece in the first material-falling hopper 131 and the
It is detained on the inner wall of two material-falling hoppers 133.Certainly, the first material-falling hopper 131 and the second material-falling hopper 133 can also be other types herein
Material such as steel or cast iron, be not specifically limited herein.
First material-falling hopper 131 includes the first bucket body 1311 and the first connecting plate 1313, the fixed setting of the first connecting plate 1313
In the outer lower portion of the first bucket body 1311.Second material-falling hopper 133 includes the second bucket body 1331 and the second connecting plate 1333, and second connects
The outer upper in the second bucket body 1331 is arranged in fishplate bar 1333, and the first bucket body 1311 and the second bucket body 1331 are oppositely arranged simultaneously common
The first blanking channel 170 is surrounded, the first connecting plate 1313 is overlapped and is bolted, second with the second connecting plate 1333
Connecting plate 1333 is used to be connected to the support stove brick of blanking port.Specifically, the inside of the first material-falling hopper 131 is provided with arc mistake
Opening is crossed, guipure 115 is facilitated to turn round.
In the present embodiment, there is protruding portion 1317, protruding portion 1317 to stretch into the second bucket body for the lower end of the first bucket body 1311
It 1331 and fits with the inner wall of the second bucket body 1331.By the way that protruding portion 1317 is arranged, the first bucket body 1311 and the can be avoided
The interconnecting pieces of two bucket bodies 1331 forms lateral clearance, the phenomenon that be easy to causeing sizing.
In the present embodiment, the outer surface of the first bucket body 1311 is provided with 1315 structure of the first reinforcing rib, and first reinforces
1315 structure of muscle is fixedly connected with side of first connecting plate 1313 far from the second connecting plate 1333；The outside of second bucket body 1331
Surface is provided with 1335 structure of the second reinforcing rib, and 1335 structure of the second reinforcing rib is with the second connecting plate 1333 far from the first connecting plate
1313 side is fixedly connected.
Referring to Fig. 5, salt curtain blanking mechanism 150 includes the first salt curtain injection pipe 151, the second salt curtain injection pipe 153 and salt curtain
Material-falling hopper 155, salt curtain material-falling hopper 155 are used to be connected to the lower section of blanking port, and salt curtain material-falling hopper 155 and workpiece blanking mechanism
130 are oppositely arranged and have the second blanking channel 190, the first salt curtain injection pipe 151 and the second salt curtain injection pipe 153 with salt curtain
Material-falling hopper 155 connects and is separately positioned on the both sides of salt curtain material-falling hopper 155, and the first salt curtain injection pipe 151 has the first injection logical
Road, the second salt curtain injection pipe 153 have the second injection channel, the first injection channel and the second injection channel logical with the second blanking
Road 190 be connected to, the first salt curtain injection pipe 151 by the first salt curtain injection channel to the second blanking channel 190 spray brine, second
Salt curtain injection pipe 153 sprays brine by the second salt curtain injection channel to the second blanking channel 190, and forms the second blanking of covering
The salt curtain in channel 190 can avoid lower part from quenching the salt gas part to be formed and return in stove, cause holding furnace brick service life reduction.
Salt curtain material-falling hopper 155 includes salt curtain level-one bucket 1551 and salt curtain two level bucket 1553, salt curtain level-one bucket 1551 and workpiece
Blanking mechanism 130 is oppositely arranged and the lower section for being connected to blanking port, and salt curtain two level bucket 1553 can with salt curtain level-one bucket 1551
Dismantling connection, and salt curtain two level bucket 1553 surrounds the second blanking channel 190, the injection of the first salt curtain jointly with salt curtain level-one bucket 1551
Pipe 151 and the second salt curtain injection pipe 153 are connect with salt curtain level-one bucket 1551.
In the present embodiment, it is provided with nitrogen air curtain mechanism 157 between workpiece blanking mechanism 130 and salt curtain blanking mechanism 150,
Nitrogen air curtain mechanism 157 is arranged in the lower section of workpiece blanking mechanism 130, for generating nitrogen curtain, to play insulating effect, further
It avoids salt gas from entering furnace body, improves the service life of heat preservation defective material.
In the present embodiment, the top of salt curtain level-one bucket 1551 is additionally provided with waste gas exhaust pipeline, can be by the second blanking
Exhaust gas in channel 190 is discharged to the external world.
Referring to Fig. 6, workpiece conveying mechanism 110 includes rolling tail roller 111, returning to roller 113, guipure 115 and scraps recycle box
117, it rolls tail roller 111 and the upper end of workpiece blanking mechanism 130 is oppositely arranged, return to roller 113 and be arranged in the case where rolling tail roller 111
Side, the winding of guipure 115 setting are rolling tail roller 111 and are returning on roller 113, and scraps recycle box 117 is arranged in the case where returning to roller 113
The guipure 115 that Fang Bingyu rolls tail roller 111 and returns between roller 113 is oppositely arranged.Specifically, guipure 115 respectively with roll tail
Roller 111 and return roller 113 are sequentially connected, and workpiece is delivered to by guipure 115 to be rolled tail roller 111 and fall into the first blanking channel
170, guipure 115, which is turned to and continued towards, at this time returns to the movement of roller 113, returns to roller 113 and rolls the guipure between tail roller 111
115 are inclined to set, and the workpiece of 115 outside minute quantity adhesion of guipure can fall and fall into residual in 115 motion process of guipure
Expect in recycling box 117, cleanout is offered on heating furnace body 200, opens cleanout and can be taken off scraps recycle box 117 simultaneously
It is cleaned, it is very convenient.
In conclusion the present embodiment provides crossed a kind of salt bath furnace doffer 100, in actual moving process, workpiece
Workpiece is delivered to close to one end of blanking port and drops into the first of workpiece blanking mechanism 130 by discharge end by conveying mechanism 110
Blanking channel 170, due to 170 inner wall smooth of the first blanking channel, therefore workpiece can move smoothly through the first blanking channel 170 simultaneously
Continue to drop downward into the second blanking channel 190, and eventually fall into brine, will not be stopped in the first blanking channel 170.Exist simultaneously
By the first injection pipe and the second injection pipe forming salt curtain in second blanking channel 190, and workpiece blanking mechanism 130 and salt
It is formed with nitrogen curtain between curtain blanking mechanism 150, salt gas can be avoided to enter furnace body.In addition, being provided with below guipure 115 residual
Expect recycling box 117, and can be cleared up and be cleaned by cleanout, it is very convenient.Compared to the prior art, the present embodiment carries
A kind of salt bath furnace doffer 100 supplied avoids workpiece from being connect with stove brick by the way that the workpiece blanking mechanism 130 of inner wall smooth is arranged
It touches, so as to avoid there is that sizing phenomenon so that workpiece can swimmingly be fallen into brine, and it is existing to avoid the occurrence of " off-temper "
As ensureing workpiece quality, while can reduce salt gas to the maximum extent by salt curtain, waste gas exhaust pipeline and nitrogen curtain and enter
Furnace body improves the service life of thermal insulation material, while by the way that scraps recycle box 117 is arranged, being convenient for the recycling and cleaning of defective material.
Second embodiment
Referring to Fig. 7, a kind of salt bath heating stove 10, including heating furnace body 200 and salt bath furnace blanking are present embodiments provided
Device 100, the wherein basic structure and principle of salt bath furnace doffer 100 and the technique effect of generation and first embodiment phase
Together, to briefly describe, the present embodiment part does not refer to place, can refer to corresponding contents in first embodiment.
It includes workpiece conveying mechanism 110, workpiece blanking to heat furnace body 200 to have blanking port, salt bath furnace doffer 100
Mechanism 130 and salt curtain blanking mechanism 150, workpiece conveying mechanism 110 have discharge end corresponding with blanking port, workpiece blanking
There is the first blanking channel 170 of inner wall smooth, top and the discharge end of blanking channel to be oppositely arranged for mechanism 130, salt curtain blanking
There is the second blanking channel 190, the second blanking channel 190 to be oppositely arranged with the first blanking channel 170 and mutually interconnect for mechanism 150
It is logical.Workpiece conveying mechanism 110 is accommodated in heating furnace body 200, and workpiece blanking mechanism 130 is arranged at blanking port, and salt curtain is fallen
Material mechanism 150 is arranged in the lower section of blanking port.
In the present embodiment, blanking port is piled up using stove brick, workpiece blanking mechanism 130 be embedded between stove brick and with
Workpiece conveying mechanism 110 fits, so that the workpiece that workpiece conveying mechanism 110 conveys can accurately fall into workpiece blanking
Mechanism 130 avoids workpiece from being in contact with stove brick.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, any made by repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of salt bath furnace doffer, in heating furnace body, there is the heating furnace body blanking port, feature to exist for setting
In the salt bath furnace doffer includes that workpiece conveying mechanism, workpiece blanking mechanism and salt curtain blanking mechanism, the workpiece are defeated
Send mechanism for being accommodated in the heating furnace body, and the workpiece conveying mechanism with it is corresponding with the blanking port go out
Expect end, the workpiece blanking mechanism is for being arranged at the blanking port, and the workpiece blanking mechanism has inner wall smooth
First blanking channel, top and the discharge end of first blanking channel are oppositely arranged, and the salt curtain blanking mechanism is used for
Be arranged in the lower section of the blanking port, and the salt curtain blanking mechanism has the second blanking channel, second blanking channel with
First blanking channel is oppositely arranged and is interconnected.
2. salt bath furnace doffer according to claim 1, which is characterized in that the workpiece blanking mechanism is fallen including first
Hopper and the second material-falling hopper, first material-falling hopper and second material-falling hopper are detachably connected and surround described first jointly and fall
Expect channel.
3. salt bath furnace doffer according to claim 2, which is characterized in that first material-falling hopper includes the first bucket body
With the first connecting plate, first connecting plate is fixed at the outer lower portion of first bucket body；The second material-falling hopper packet
The second bucket body and the second connecting plate are included, the outer upper in second bucket body, first bucket is arranged in second connecting plate
Body is oppositely arranged and surrounds jointly first blanking channel with second bucket body, and first connecting plate connects with described second
Fishplate bar is overlapped and is bolted, and second connecting plate is used to be connected to the supporting brick of the blanking port.
4. salt bath furnace doffer according to claim 3, which is characterized in that the lower end of first bucket body, which has, to be protruded
Portion, the protruding portion stretch into second bucket body and fit with the inner wall of second bucket body.
5. salt bath furnace doffer according to claim 3, which is characterized in that the outer surface of first bucket body is arranged
There are the first reinforcing rib structure, first reinforcing rib structure solid with side of first connecting plate far from second connecting plate
Fixed connection；The outer surface of second bucket body is provided with the second reinforcing rib structure, second reinforcing rib structure and described the
Side of two connecting plates far from first connecting plate is fixedly connected.
6. salt bath furnace doffer according to claim 1, which is characterized in that the salt curtain blanking mechanism includes the first salt
Curtain injection pipe, the second salt curtain injection pipe and salt curtain material-falling hopper, the salt curtain material-falling hopper are used to be connected to the lower section of the blanking port,
And the salt curtain material-falling hopper is oppositely arranged and has second blanking channel, the first salt curtain with the workpiece blanking mechanism
Injection pipe and the second salt curtain injection pipe connect with the salt curtain material-falling hopper and are separately positioned on the salt curtain material-falling hopper
There is the first injection channel, the second salt curtain injection pipe to have the second injection channel, institute for both sides, the first salt curtain injection pipe
It states the first injection channel and second injection channel is connected to second blanking channel, the first salt curtain injection pipe is logical
It crosses the first salt curtain injection channel and sprays brine to second blanking channel, the second salt curtain injection pipe passes through described the
Disalt curtain injection channel sprays brine to second blanking channel.
7. salt bath furnace doffer according to claim 6, which is characterized in that the salt curtain material-falling hopper includes salt curtain level-one
Bucket and salt curtain two level bucket, the salt curtain level-one bucket are oppositely arranged with the workpiece blanking mechanism and are used to be connected to the blanking port
Lower section, the salt curtain two level bucket is detachably connected with the salt curtain level-one bucket, and the salt curtain two level bucket and the salt curtain one
Grade bucket surrounds second blanking channel jointly, the first salt curtain injection pipe and the second salt curtain injection pipe with the salt
Curtain level-one bucket connects.
8. salt bath furnace doffer according to claim 1, which is characterized in that the workpiece blanking mechanism and the salt curtain
Nitrogen air curtain mechanism is provided between blanking mechanism, the nitrogen air curtain mechanism is arranged in the lower section of the workpiece blanking mechanism, is used for
Generate nitrogen curtain.
9. salt bath furnace doffer according to claim 1, which is characterized in that the workpiece conveying mechanism includes rolling tail
Roller returns to roller, guipure and scraps recycle box, and the rolling tail roller and the upper end of the workpiece blanking mechanism are oppositely arranged, described
Roller is returned to be arranged in the lower section for rolling tail roller, the guipure winding is arranged on the rolling tail roller and the return roller,
The scraps recycle box is arranged in the lower section for returning to roller and the net between the rolling tail roller and the return roller
Band is oppositely arranged.
10. a kind of salt bath heating stove, which is characterized in that including heating furnace body and such as claim 1-9 any one of them salt
There is blanking port, the workpiece conveying mechanism to be accommodated in the heating furnace body for liquid furnace doffer, the heating furnace body,
The workpiece blanking mechanism is arranged at the blanking port, and the salt curtain blanking mechanism is arranged in the lower section of the blanking port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810978785.8A CN108728612A (en) | 2018-08-27 | 2018-08-27 | A kind of salt bath furnace doffer and salt bath heating stove |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810978785.8A CN108728612A (en) | 2018-08-27 | 2018-08-27 | A kind of salt bath furnace doffer and salt bath heating stove |
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| CN108728612A true CN108728612A (en) | 2018-11-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810978785.8A Pending CN108728612A (en) | 2018-08-27 | 2018-08-27 | A kind of salt bath furnace doffer and salt bath heating stove |
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Cited By (1)
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| CN116590512A (en) * | 2023-05-31 | 2023-08-15 | 金华克钻特钢工具有限公司 | Vacuum quenching furnace for broach |
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