CN108759485A - Blank mobile device and method in a kind of pusher-type furnace - Google Patents
Blank mobile device and method in a kind of pusher-type furnace Download PDFInfo
- Publication number
- CN108759485A CN108759485A CN201810711097.5A CN201810711097A CN108759485A CN 108759485 A CN108759485 A CN 108759485A CN 201810711097 A CN201810711097 A CN 201810711097A CN 108759485 A CN108759485 A CN 108759485A
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- Prior art keywords
- pusher
- bracket
- heat
- resisting
- furnace
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D5/00—Supports, screens, or the like for the charge within the furnace
- F27D5/0006—Composite supporting structures
Abstract
Blank mobile device and method in a kind of pusher-type furnace, belong to heating furnace technical field.The present invention introduces bracket between metal stock and heat-resisting skid, increases the spacing between metal stock and stove muscle supporting beam, and push the forward replacement of bracket to push directly on metal stock using pusher and move ahead.The device of the invention is simple in structure, easy to operate, haul flexibly, metal stock can all be discharged out of the furnace when necessary, production efficiency is high, one-time investment is few and manufacturing cost maintenance operation expense and failure rate it is low, there is the defects of scratching and wearing in the lower surface for helping to eliminate the metal stock in heating process in pusher-type furnace, greatly mitigate or thoroughly solve metal stock and generate black print temperature difference phenomenon in heating process in pusher-type furnace, avoids the occurrence of the failures such as arch material and sizing.
Description
Technical field
The invention belongs to heating furnace technical fields, and in particular to blank mobile device and side in a kind of pusher-type furnace
Method.
Background technology
Pusher-type furnace is one of the main type of furnace of current metal stock heating production, it is to complete stove by pusher
A kind of continuous-type furnace of interior haul task, with simple in structure, easy to operate, production efficiency is high, one-time investment is few, dimension
The outstanding advantages such as operating cost is low, heating speed is easily controllable, failure rate is low are protected, have been obtained extensively in metal stock heating art
Using.
In general, metal stock under the thrust of pusher, is installed in the stove muscle supporting beam in pusher-type furnace
Heat-resisting skid on from heating furnace inlet to furnace outlet from slide, realize heating to metal stock upper and lower surface.But
In the actual production process, metal stock Frictional Slipping on the heat-resisting skid of pusher-type furnace move ahead heated when, by
In reasons such as the drosses of heat-resisting skid, cause metal stock (normally about 30% or more metal stock) lower surface with it is heat-resisting in stove
The position of ramps contact easily by serious damage, generates the cut with certain depth (3~8mm is even more deep) so that metal base
Material will will produce strip " scabbing " after follow-up plastic deformation (such as rolling), on final metal product surface, stick up the quality such as skin or folding
Defect causes substandard products or waste product.Figuring of surface processing (average will be carried out for the shallower defect of final metal product case depth
Reconditioning quality is 10%~50%, and reconditioning quality reaches 80%~100% under extreme case), and for final metal product case depth compared with
Deep defect can only carry out removal procedure.
In addition, since the stove muscle supporting beam in pusher-type furnace can be having heated with heat-resisting skid CONTACT WITH FRICTION part
The amount of heat of metal stock continuously exports outside stove, leads to metal stock local heating unevenness problem occur so that gold
Belong to blank heating and be also easy to produce black print temperature difference phenomenon (temperature difference is more than 150 DEG C sometimes) in the process, significantly reduces metal stock and add
Thermal mass, there is larger fluctuation in mill load during causing follow-up Rolling Production, influences the stability of rolling mill practice, causes
Product size is overproof, extension property does not conform to and other issues, even causes roll breakage accident when serious, endangers equipment safety.
Metal stock scratch on the bottom surface and the problems such as generation black print temperature difference phenomenon are to be used at present in pusher-type furnace
Blank move mode under proper mass defect, but also usually will appear arch material and the failures such as sizing, these are not only reduced
The lumber recovery of material (defect rate and rejection rate are sometime up to 20%~30%), improves production cost, and greatly
The yield and quality for constraining final metal product has seriously affected normal production, becomes the bottleneck problem of urgent need to resolve.
Invention content
The present invention heats above shortcomings for current metal stock in pusher-type furnace, in metal stock and
Bracket is introduced between heat-resisting skid, and the Frictional Slipping between traditional metal stock and heat-resisting skid is become into bracket and heat-resisting cunning
Frictional Slipping between road realizes being moved forward without Frictional Slipping for metal stock；And bracket is pushed to move ahead using pusher
To replace pusher, directly individually promotion metal stock moves ahead, and the strict demand put to metal stock is reduced, without Gu
Consider problem of misalignment of the metal stock in moving process so that putting for metal stock is more flexible；Simultaneously by increasing metal
Spacing between blank and stove muscle supporting beam reduces the capacity of heat transmission of the metal stock to stove muscle supporting beam.The purpose of the present invention
It is to provide blank mobile device and method in a kind of pusher-type furnace, helps to eliminate heated in pusher-type furnace
There is the defects of scratching and wearing in the lower surface of metal stock in journey, greatly mitigates or thoroughly solves metal stock in steel-pushing type
Black print temperature difference phenomenon is generated in heating furnace in heating process, avoids the occurrence of the failures such as arch material and sizing.
Blank mobile device in a kind of pusher-type furnace, by pusher, bracket, heat-resisting skid and stove muscle support beam group
At；The pusher is arranged in the inlet of heating furnace, gives the mobile offer thrust of the bracket；The bracket is placed on described
On heat-resisting skid, it is used for bearing metal blank, and occur relatively with the heat-resisting skid under the thrust of the pusher
Sliding；The top of the cross section of the bracket is in ∩ type structures in △ types structure, lower part, and ∩ type structures are both sides with the recessed of side plate
Slot, the surfacing of groove top, the width of groove than the heat-resisting skid width more than 1~100mm, the height of the bracket
It is 0.5~2 times of the heat-resisting skid height, the length of the bracket is 100~800mm；The heat-resisting skid is fixed on institute
It states in stove muscle supporting beam, supports the bracket；The upper surface of the heat-resisting skid is smooth；The stove muscle supporting beam is mounted on heating
In stove, the total weight for undertaking metal stock.
Further, the pusher is pinion and-rack, feed screw nut formula, crank-linkage type, fluid pressure type or hydraulic pressure tooth
Any one of formula.
Further, the material of the bracket is carbon steel, stainless steel, heat resisting steel, high temperature alloy, ceramics or heat-resisting composite wood
At least one of material.
Further, the front lower rib of the bracket and rear lower rib are machined with the arc angling that radius is 1~30mm.
Further, the material of the heat-resisting skid is carbon steel, stainless steel, heat resisting steel, high temperature alloy, ceramics or heat-resisting multiple
At least one of condensation material.
Further, the stove muscle supporting beam is cooling any one of support tube or refractory material supporter.
Blank moving method in a kind of pusher-type furnace, moving process are：
The bracket is continuously placed to the institute being fixed in the stove muscle supporting beam since heating furnace inlet first
It states on heat-resisting skid；Then metal stock is placed into since heating furnace inlet on the bracket；Then it is pushed away described in starting
Steel machine pushes bracket linear slide on the heat-resisting skid to move ahead；With metal stock in the bracket moving process
It is moved from heating furnace entrance toward furnace outlet, realizes the heating to metal stock upper and lower surface；When reaching at furnace outlet,
The bracket is detached from the heat-resisting skid, while the heating metal stock that unloading is consigned.
Further, metal stock is continuously placed or is spaced apart on the bracket.
Further, the pusher pushes the bracket and the metal stock linear slide on the heat-resisting skid simultaneously
It moves ahead.
The present invention has the advantage that：
1. there is blank mobile device simple in structure, easy to operate, haul can incite somebody to action flexibly, when necessary in pusher-type furnace
Metal stock all discharges out of the furnace, production efficiency is high, one-time investment is few and manufacturing cost maintenance operation expense and failure rate
Low advantage.
2. blank mobile device is avoided that being in direct contact for metal stock and heat-resisting skid in stove in pusher-type furnace,
Under the action of pusher, bracket is moved together with metal stock, the friction between bracket and heat-resisting skid only occurs so that metal
The lower surface of blank will not be in direct contact with heat-resisting skid and the defects of scratching and wearing occurs, and help to improve stock utilization
And product quality, reduce production cost.
3. in pusher-type furnace blank mobile device make metal stock by bracket on heat-resisting skid can it is continuous or
Interval is arranged, and heating speed is easily controllable, can realize and is evenly heated quickly, reduces energy consumption, and can completely eliminate
The failures such as the arch material of traditional pusher-type furnace and sizing.
4. the top of the carrier cross section of blank mobile device is △ type structures in pusher-type furnace, support gold is being played
While belonging to blank, the contact area between pallet top and metal stock lower surface is minimized, reduces bracket to metal base
Material lower surface block and conductive force, realize that the upper and lower surface of metal stock is evenly heated；Carrier cross section lower part ∩ type knots
Structure is groove of the both sides with side plate, the width of groove than heat-resisting skid width more than 1~100mm so that bracket, which is easy to ride, to be stuck in
On heat-resisting skid, while effect of contraction is also functioned to, ensures that bracket will not take off when pusher acts on lower slider from heat-resisting skid
It falls, and there is guide function, it is ensured that bracket will not be biased in moving process, realize that bracket is straight on heat-resisting skid
It moves ahead；The groove top surfacing of carrier cross section lower part ∩ type structures so that bracket can be stably placed exactly in
On the heat-resisting skid of surfacing, under pusher effect, it is smooth on heat-resisting skid that bracket smoothly carries metal stock
It moves ahead.
5. blank mobile device uses bracket and heat-resisting skid by metal stock and stove muscle supporting beam in pusher-type furnace
It separates, while can also realize that the interval of metal stock is put, avoid metal stock local heating unevenness problem, solve gold
Belong to blank heating and generate black print temperature difference phenomenon in the process, helps to promote heating quality and product quality.
6. blank moving method has had both traditional pusher-type furnace haul method and chain type heating in pusher-type furnace
The advantages of stove haul method, it is not necessary that relative motion occurs between metal stock and haul mechanism (such as bracket) and pusher can be utilized
Big metal stock movement power is provided, it is easy to operate, it is easy to implement, it is easy to spread, it is suitable for various specifications size metallic base
The heating of material is a kind of novel continuous-type furnace haul method.
Description of the drawings
Fig. 1 is blank mobile device schematic diagram in a kind of pusher-type furnace of the present invention.Wherein, (1) is pusher,
(2) it is metal stock, (3) are bracket, and (4) are heat-resisting skid, and (5) are stove muscle supporting beam.
Specific implementation mode
The present invention is specifically described with reference to embodiments, it is necessary to which indicated herein is that the present embodiment is served only for pair
The present invention is further described, and should not be understood as limiting the scope of the invention, and the those of skill in the art in the field can
To make some nonessential modifications and adaptations according to the content of aforementioned present invention.
Blank mobile device in the pusher-type furnace of the present invention is described as follows in conjunction with attached drawing 1：
Blank mobile device is by pusher (1), bracket (3), heat-resisting skid (4) and stove muscle supporting beam in pusher-type furnace
(5) it forms；Pusher (1) is arranged in the inlet of heating furnace, gives the mobile offer thrust of bracket (3)；Bracket (3) is placed on resistance to
On hot slideway (4), it is used for bearing metal blank (2), and phase to occur with heat-resisting skid (4) under the thrust of pusher (1)
To sliding；The top of the cross section of bracket (3) is in ∩ type structures in △ types structure, lower part, and ∩ type structures are both sides with side plate
The width of groove, the surfacing of groove top, groove is more 1~100mm than the width of heat-resisting skid (4), the height of bracket (3)
It is 0.5~2 times of heat-resisting skid (4) height, the length of bracket (3) is 100~800mm；Heat-resisting skid (4) is fixed on stove muscle branch
It supports on beam (5), Support bracket (3)；The upper surface of heat-resisting skid (4) is smooth；Stove muscle supporting beam (5) is mounted in heating furnace, is used
In the total weight for undertaking metal stock (2).
Further, pusher (1) is pinion and-rack, feed screw nut formula, crank-linkage type, fluid pressure type or hydraulic pressure rack
Any one of formula.
Further, the material of bracket (3) is carbon steel, stainless steel, heat resisting steel, high temperature alloy, ceramics or heat-resisting composite wood
At least one of material.
Further, the front lower rib of bracket (3) and rear lower rib are machined with the arc angling that radius is 1~30mm.
Further, the material of heat-resisting skid (4) is carbon steel, stainless steel, heat resisting steel, high temperature alloy, ceramics or heat-resisting multiple
At least one of condensation material.
Further, stove muscle supporting beam (5) is cooling any one of support tube or refractory material supporter.
Embodiment 1：
It is continuously placed to the bracket (3) of heat resisting steel material to be fixed on cooling support tube since heating furnace inlet first
On the heat-resisting skid (4) of high temperature alloy material in stove muscle supporting beam (5)；Then stainless steel blank is opened from heating furnace inlet
Beginning is continuously placed on the bracket (3) of heat resisting steel material；Then start hydraulic steel pushing device (1), push the support of heat resisting steel material
Frame (3) linear slide on the heat-resisting skid (4) of high temperature alloy material moves ahead；In bracket (3) moving process of heat resisting steel material
It is moved from heating furnace entrance toward furnace outlet with stainless steel blank, realizes the heating to stainless steel blank upper and lower surface；It arrives
When at up to furnace outlet, the bracket (3) of heat resisting steel material is detached from the heat-resisting skid (4) of high temperature alloy material, while unloading institute
The stainless steel blank of heating of delivery.
Embodiment 2：
It is continuously placed to the bracket (3) of high temperature alloy material to be fixed on cooling support since heating furnace inlet first
On the heat-resisting skid (4) of high temperature alloy material in pipe furnace muscle supporting beam (5)；Then by low-alloy high-tensile structural steel blank from
Heating furnace inlet starts to be continuously placed on the bracket (3) of high temperature alloy material；Then start hydraulic steel pushing device (1), push away
The bracket (3) of dynamic high temperature alloy material linear slide on the heat-resisting skid (4) of high temperature alloy material moves ahead；High temperature alloy material
Bracket (3) moving process in moved from heating furnace entrance toward furnace outlet with low-alloy high-tensile structural steel blank, it is real
Now to the heating of low-alloy high-tensile structural steel blank upper and lower surface；When reaching at furnace outlet, the support of high temperature alloy material
Frame (3) is detached from the heat-resisting skid (4) of high temperature alloy material, while the low-alloy high-tensile structural steel base of heating that unloading is consigned
Material.
Embodiment 3：
It is continuously placed to the bracket (3) of heat resisting steel material to be fixed on cooling support tube since heating furnace inlet first
On the heat-resisting skid (4) of ceramic material in stove muscle supporting beam (5)；Then high temperature alloy steel blank is opened from heating furnace inlet
Beginning is continuously placed on the bracket (3) of heat resisting steel material；Then start hydraulic steel pushing device (1), push the support of heat resisting steel material
Frame (3) linear slide on the heat-resisting skid (4) of ceramic material moves ahead；In bracket (3) moving process of heat resisting steel material with
High temperature alloy steel blank is moved from heating furnace entrance toward furnace outlet, and realization adds high temperature alloy steel blank upper and lower surface
Heat；When reaching at furnace outlet, the bracket (3) of heat resisting steel material is detached from the heat-resisting skid (4) of ceramic material, while unloading institute
The high temperature alloy steel blank of heating of delivery.
Embodiment 4：
It is continuously placed to the bracket (3) of heat-resisting composite material to be fixed on fire resisting since heating furnace inlet first
On the heat-resisting skid (4) of stainless steel in material support stove muscle supporting beam (5)；Then by spring steel blank from heating furnace
Inlet starts to be spaced apart on the bracket (3) of heat-resisting composite material；Then start hydraulic steel pushing device (1), simultaneously
Push bracket (3) and spring the steel blank linear slide on the heat-resisting skid (4) of stainless steel of heat-resisting composite material
It moves ahead；Go out from heating furnace entrance toward heating furnace with spring steel blank in bracket (3) moving process of heat-resisting composite material
Mouth is mobile, realizes the heating to spring steel blank upper and lower surface；When reaching at furnace outlet, the support of heat-resisting composite material
Frame (3) is detached from the heat-resisting skid (4) of stainless steel, while the spring steel blank of heating that unloading is consigned.
Embodiment 5：
It is continuously placed to the bracket (3) of high temperature alloy material to be fixed on cooling support since heating furnace inlet first
On the heat-resisting skid (4) of heat resisting steel material in pipe furnace muscle supporting beam (5)；Then by carbon constructional quality steel blank from heating furnace
Inlet starts to be spaced apart on the bracket (3) of high temperature alloy material；Then start hydraulic steel pushing device (1), push simultaneously
The bracket (3) and carbon constructional quality steel blank of high temperature alloy material linear slide on the heat-resisting skid (4) of heat resisting steel material
It moves ahead；It is heated with carbon constructional quality steel blank from heating furnace entrance is past in bracket (3) moving process of high temperature alloy material
Outlet of still moves, and realizes the heating to carbon constructional quality steel blank upper and lower surface；When reaching at furnace outlet, high temperature alloy
The bracket (3) of material is detached from the heat-resisting skid (4) of heat resisting steel material, while the heating carbon constructional quality steel that unloading is consigned
Blank.
Claims (9)
1. blank mobile device in a kind of pusher-type furnace, which is characterized in that by pusher (1), bracket (3), heat-resisting skid
(4) it is formed with stove muscle supporting beam (5)；Pusher (1) is arranged in the inlet of heating furnace, gives the mobile offer thrust of bracket (3)；
Bracket (3) is placed on heat-resisting skid (4), be used for bearing metal blank (2), and under the thrust of pusher (1) with it is resistance to
Opposite sliding occurs for hot slideway (4)；The top of the cross section of bracket (3) is in ∩ type structures, ∩ type structures in △ types structure, lower part
For groove of the both sides with side plate, the surfacing of groove top, the width more than the width of heat-resisting skid (4) 1 of groove~
100mm, the height of bracket (3) are 0.5~2 times of heat-resisting skid (4) height, and the length of bracket (3) is 100~800mm；It is heat-resisting
Slideway (4) is fixed in stove muscle supporting beam (5), Support bracket (3)；The upper surface of heat-resisting skid (4) is smooth；Stove muscle supporting beam
(5) it is mounted in heating furnace, the total weight for undertaking metal stock (2).
2. blank mobile device in a kind of pusher-type furnace as described in claim 1, which is characterized in that pusher (1) is
Any one of pinion and-rack, feed screw nut formula, crank-linkage type, fluid pressure type or hydraulic pressure rack-and-pinion.
3. blank mobile device in a kind of pusher-type furnace as described in claim 1, which is characterized in that the material of bracket (3)
Matter is at least one of carbon steel, stainless steel, heat resisting steel, high temperature alloy, ceramics or heat-resisting composite.
4. blank mobile device in a kind of pusher-type furnace as described in claim 1, which is characterized in that before bracket (3)
Lower rib and rear lower rib are machined with the arc angling that radius is 1~30mm.
5. blank mobile device in a kind of pusher-type furnace as described in claim 1, which is characterized in that heat-resisting skid (4)
Material be at least one of carbon steel, stainless steel, heat resisting steel, high temperature alloy, ceramics or heat-resisting composite.
6. blank mobile device in a kind of pusher-type furnace as described in claim 1, which is characterized in that stove muscle supporting beam
(5) it is cooling any one of support tube or refractory material supporter.
7. base in a kind of pusher-type furnace using blank mobile device in a kind of pusher-type furnace described in claim 1
Expect moving method, which is characterized in that moving process is：Bracket (3) is continuously placed to since heating furnace inlet first solid
It is scheduled on the heat-resisting skid (4) in stove muscle supporting beam (5)；Then metal stock (2) is placed into since heating furnace inlet
On bracket (3)；Then start pusher (1), bracket (3) linear slide on heat-resisting skid (4) is pushed to move ahead；Bracket (3) moves
It moves, realizes to metal stock (2) upper and lower surface from heating furnace entrance toward furnace outlet with metal stock (2) during dynamic
Heating；When reaching at furnace outlet, bracket (3) is detached from heat-resisting skid (4), while the heating metal base that unloading is consigned
Expect (2).
8. blank moving method in a kind of pusher-type furnace as claimed in claim 7, which is characterized in that metal stock (2)
It continuously places or is spaced apart on bracket (3).
9. blank moving method in a kind of pusher-type furnace as claimed in claim 7, which is characterized in that pusher (1) is same
When push bracket (3) and metal stock (2) linear slide on heat-resisting skid (4) forward.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810711097.5A CN108759485B (en) | 2018-07-03 | 2018-07-03 | Blank moving device and method in steel pushing type heating furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810711097.5A CN108759485B (en) | 2018-07-03 | 2018-07-03 | Blank moving device and method in steel pushing type heating furnace |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108759485A true CN108759485A (en) | 2018-11-06 |
| CN108759485B CN108759485B (en) | 2023-09-15 |
Family
ID=63975421
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810711097.5A Active CN108759485B (en) | 2018-07-03 | 2018-07-03 | Blank moving device and method in steel pushing type heating furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108759485B (en) |
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| Publication number | Publication date |
|---|---|
| CN108759485B (en) | 2023-09-15 |
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