CN109554521A - The drum-type heating furnace of the dedicated continuous heat of bearing steel ball - Google Patents
The drum-type heating furnace of the dedicated continuous heat of bearing steel ball Download PDFInfo
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- CN109554521A CN109554521A CN201811475525.5A CN201811475525A CN109554521A CN 109554521 A CN109554521 A CN 109554521A CN 201811475525 A CN201811475525 A CN 201811475525A CN 109554521 A CN109554521 A CN 109554521A
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 107
- 239000010959 steel Substances 0.000 title claims abstract description 107
- 238000010438 heat treatment Methods 0.000 title claims abstract description 69
- 238000005096 rolling process Methods 0.000 claims abstract description 8
- 238000009826 distribution Methods 0.000 claims abstract description 6
- 239000000463 material Substances 0.000 claims description 22
- 238000003860 storage Methods 0.000 claims description 18
- 238000004364 calculation method Methods 0.000 claims description 10
- 230000007246 mechanism Effects 0.000 claims description 10
- 230000007723 transport mechanism Effects 0.000 claims description 10
- 238000003032 molecular docking Methods 0.000 claims description 5
- 238000007599 discharging Methods 0.000 claims description 4
- 238000009413 insulation Methods 0.000 claims description 4
- 238000012546 transfer Methods 0.000 claims description 4
- 230000009514 concussion Effects 0.000 claims description 3
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 2
- 241000276492 Melanogrammus Species 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 230000006641 stabilisation Effects 0.000 abstract description 2
- 238000011105 stabilization Methods 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 14
- 230000001681 protective effect Effects 0.000 description 10
- 238000000034 method Methods 0.000 description 9
- 230000008569 process Effects 0.000 description 7
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 5
- 208000001840 Dandruff Diseases 0.000 description 5
- 230000008901 benefit Effects 0.000 description 5
- 229910052799 carbon Inorganic materials 0.000 description 5
- 238000012545 processing Methods 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000005261 decarburization Methods 0.000 description 3
- 238000004880 explosion Methods 0.000 description 3
- 238000010791 quenching Methods 0.000 description 3
- 230000000171 quenching effect Effects 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 230000008021 deposition Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 239000001294 propane Substances 0.000 description 2
- 238000000197 pyrolysis Methods 0.000 description 2
- 235000008227 Illicium verum Nutrition 0.000 description 1
- 240000007232 Illicium verum Species 0.000 description 1
- CKUAXEQHGKSLHN-UHFFFAOYSA-N [C].[N] Chemical compound [C].[N] CKUAXEQHGKSLHN-UHFFFAOYSA-N 0.000 description 1
- 238000005255 carburizing Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000007669 thermal treatment Methods 0.000 description 1
- 230000001960 triggered effect Effects 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
-
- 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
- C21D1/74—Methods of treatment in inert gas, controlled atmosphere, vacuum or pulverulent material
-
- 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
- C21D9/36—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for balls; for rollers
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- 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)
- Tunnel Furnaces (AREA)
- Heat Treatment Of Articles (AREA)
Abstract
The present invention relates to the drum-type heating furnaces of the dedicated continuous heat of bearing steel ball, it includes the furnace body with inlet end and outlet end, the axial line extended around horizontal direction is rotatably arranged on the intracorporal roller of furnace, inner wall of rotary drum is set and the spiral stream guidance part in spiral distribution along drum length direction, heating component on the outside of roller between inboard wall of furnace body, for driving the driving assembly of roller rotation, wherein inlet end is located at the one end of furnace body, and steel ball is sent to the feed end of spiral stream guidance part by screw-feeder, outlet end is located at the other end of furnace body and is connected to the outlet end of spiral stream guidance part.The present invention is under the premise of meeting consecutive production, by the way of spirally transmitting, during steel ball rolling, it is transmitted from inlet end to outlet end, so that steel ball heating is more uniform, to improve the quality of steel ball heat treatment, furthermore, yield obviously increases, and the interior tissue of steel ball has differences smaller, quality stabilization.
Description
Technical field
The invention belongs to bearing steel ball heat treatment equipment fields, and in particular to a kind of dedicated continuous heat of bearing steel ball
Drum-type heating furnace.
Background technique
As the improvement of iron shot manufacturing process and the research and development of equipment update, process flow is as follows at this stage: raw material (stick
Material)-cold-heading-photosphere-heat treatment-hard grind-early grind-lappingout-superfinishing grinds-optical appearance-cleaning rust-proof-product inspection-packaging.Its
In, cold-heading is that club-shaped material is processed as blank by ball cold header；The photosphere stage is used for the size after the unified cold-heading stage
Tolerance grinds away annulus and the two poles of the earth of ball base, this stage is substantially at spherical shape；Heat treatment process is used to change the interior tissue of ball base
Structure improves the intensity and service life of steel ball；Hard grind process is mainly used to improve the dimensional accuracy of steel ball；Process of lapping improves
Surface accuracy after then sorting by surface detection apparatus, completes processing.
Meanwhile used heating furnace is rotary drum furnace in above-mentioned heat treatment process, since its roller is an octagonal
Retort, therefore, also referred to as octagonal rotary drum furnace, however, rotary retort type electric resistance furnace is periodic operating resistance furnace, mainly for bearing steel
The heat treatments such as ball, the gas carburizing of roller and other mini standards parts, carbon nitrogen and bright quenching heating is used, and therefore, is existed
Following technological deficiency:
1), due to being discontinuous running (after the completion of a namely batch processed, then next group is handled), cause steel ball can not be into
Line Continuity production and processing, reduces steel ball shaping efficiency, and yield is small；
2), thermal treatment quality is unstable, and the interior tissue of steel ball has very big difference, and therefore, qualification rate is very low, causes
Steel ball manufacturing cost is higher.
Summary of the invention
It is special the technical problem to be solved by the present invention is to overcome the deficiencies of the prior art and provide a kind of completely new bearing steel ball
With the drum-type heating furnace of continuous heat.
In order to solve the above technical problems, the present invention adopts the following technical scheme that:
A kind of drum-type heating furnace of the dedicated continuous heat of bearing steel ball comprising the furnace with inlet end and outlet end
Body, around horizontal direction extend axial line be rotatably arranged on the intracorporal roller of furnace, setting inner wall of rotary drum and along roller it is long
Spend direction spiral stream guidance part in spiral distribution, the heating component on the outside of roller between inboard wall of furnace body, for driving rolling
The driving assembly of cylinder rotation, wherein inlet end is located at the one end of furnace body, and steel ball is sent to spiral by screw-feeder
The feed end of conducting element, outlet end are located at the other end of furnace body and are connected to the outlet end of spiral stream guidance part.
Preferably, it is set side by side in the one end of furnace body there are two the carrying idler wheel around self-axis line rotation, roller is from one
End is freely set up on two carrying idler wheels, and the other end of roller is arranged in driving assembly.The benefit being arranged in this way, very
The rotation driving of roller is realized in labour-saving, reduces energy consumption, meanwhile, the rolling dynamics of steel ball is relatively uniform, and it is equal to be more advantageous to steel ball
Even heating.
A specific implementation according to the present invention and preferred aspect, screw-feeder include that can rotate synchronously with roller
Ground furnace body inlet end is set and protrude into the device ontology of drums inside, docked with device ontology and can by batch and it is quantitative will
The transport mechanism that steel ball is transmitted to device ontology.
Preferably, device ontology includes the first feeding cylinder and the second feeding cylinder, wherein the first feeding cylinder and the transport mechanism
Outlet end connection, and be equipped with inside first feeding cylinder spiral shape that can be connected with the spiral stream guidance part into
Expect channel, when first feeding cylinder turns to the spiral shape feeding-passage and the spiral stream guidance part communicating position, steel
Ball is fallen into the spiral stream guidance part in the roller from the spiral shape feeding-passage.Here, passing through spiral shape feeding-passage
Setting reduces leaking for hot gas and protective atmosphere in roller, and energy saving reduces steel ball hot processing cost.
Specifically, opening up notch on spiral shape feeding-passage, when the first feeding cylinder is rotated to notch downward, steel ball is certainly
In the dynamic spiral stream guidance part dropped down onto roller.
Preferably, the first feeding cylinder becomes larger from furnace body inlet end to the second feeding cylinder in internal diameter pyramidal, the
Two feeding cylinders are extended far from the end horizontal that furnace body is fed to drums inside from the first feeding cylinder, and the inside of second tin roller
It is filled with heat insulation layer.
Preferably, transport mechanism includes the storage bin with first passage door, with the outlet end of storage bin docks and have
The midway storehouse that has second channel door, the Transfer pipe for docking midway storehouse with the inlet end of furnace body, wherein storing position in storehouse
Above the storehouse of midway, when first passage door is opened, the closure setting of second channel door；When second channel door is opened, first is logical
Sect closure setting.
Although this feed for carrying out batch steel ball using midway storehouse is the conventional means of this field, in the application
In, there is a very unexpected technical effect, that is: further combined with spiral shape feeding-passage, thoroughly prevent
Hot gas and protective atmosphere leak, energy saving, and then substantially reduce steel ball hot processing cost.Therefore, the technical effect of institute's band
It is very significant.
Specifically, the discharge port in midway storehouse is turningly arranged in around horizontal direction for the side second channel Men Ziyi, transmission
Channel outlet end protrudes into device body interior.
Another specific implementation according to the present invention and preferred aspect, heating furnace further include the quantitative steel ball that provides to storage bin
Feeding unit material, feeding unit material include steel ball material stock storehouse, the hopper docked with steel ball material stock bin discharge port external, setting used on hopper
Below hopper and have and hopper in the oscillator of control steel ball discharging, the pivotally setting extended around horizontal direction
The weight calculation mechanism of discharge port docking collecting tank and the elevator that storage bin is docked and steel ball can be promoted to collecting tank,
Wherein weight calculation mechanism includes around pivotally supported bracket, the clump weight positioned at bracket both ends and collecting tank and the sense of equilibrium
Device is answered, when balance sensor, which is received, is in balancing information feedback positioned at pivot two sides, oscillator stops concussion, is located at hopper
Interior steel ball stops falling, and the door of collecting tank is opened, and the steel ball after elevator will quantify is promoted to storage bin.
In addition, heating component includes along extending downwardly at the top of the furnace body and be located between roller side and sidewall of the furnace body
The first heating unit, extend from the lateral of furnace body and be located between cylinder bottom and bottom of furnace body inner wall second plus
Hot cell.
Specifically, the first heating unit and the second heating unit respectively include more heating rods, and more heating rods along
The length direction of roller is spaced apart, so that the heating of steel ball is more uniform.
At the same time, above-mentioned heating furnace further includes that the relief valve assembly of furnace body inlet end is arranged in and is arranged in furnace body
The blanking channel and the oil that is arranged in blanking channel of the atmosphere protection component of outlet end, connection in furnace body outlet end
Curtain.
As for relief valve assembly, for this field, once exploding, the pressure that explosion generates can be leaked rapidly,
Ensure equipment safety.
As for atmosphere protection component, the protective atmosphere formed is nitrogen and Deposition During Propane Pyrolysis gas, makes carbon certain in roller
Gesture, it is ensured that bearing steel ball not decarburization.
As for oily curtain, one side is with twice access door and spiral shape feeding-passage, so that steel ball is in input and output material
During will not generate leaking for hot gas and protective gas, reduce heat treatment cost；Production when on the other hand preventing steel ball quenching
Raw oil vapour enters in furnace body, so, can prevent carbon distribution or the corrosion of burner hearth, while also ensuring that the quality of steel ball.
Due to the implementation of above technical scheme, the invention has the following advantages over the prior art:
The present invention is under the premise of meeting consecutive production, by the way of spirally transmitting, during steel ball rolling, by
Inlet end is transmitted to outlet end, so that steel ball heating is more uniform, so that the quality of steel ball heat treatment is improved, in addition, producing
Amount obviously increases, and the interior tissue of steel ball has differences smaller, quality stabilization.
Detailed description of the invention
With reference to the accompanying drawing and specific embodiment, the present invention will be further described in detail:
Fig. 1 is the schematic front view (broken section) of drum-type heating furnace of the invention；
Fig. 2 is the left view schematic diagram of Fig. 1；
Fig. 3 is the right side view of Fig. 1；
Fig. 4 is the partial structural diagram of steel ball feeding unit material in Fig. 1；
Wherein: 1, furnace body；10, inlet end；11, outlet end；2, roller；3, spiral stream guidance part；4, heating component；41,
One heating unit；42, the second heating unit；5, driving assembly；6, relief valve assembly；7, atmosphere protection component；8, blanking channel；
9, oily curtain；A, idler wheel is carried；B, screw-feeder；B1, device ontology；B11, the first feeding cylinder；B12, the second feeding cylinder；B13, guarantor
Adiabator layer；B2, transport mechanism；B20, storage bin；B201, first passage door；B21, midway storehouse；B212, second channel door；
B22, Transfer pipe；C, spiral shape feeding-passage；D, heating rod；E, feeding unit material；E1, steel ball material stock storehouse；E2, hopper；E3, shake
Swing device；E4, weight calculation mechanism；E40, pivot；E41, collecting tank；E42, bracket；E43, clump weight；E5, elevator；E6, cylinder；
E7, closure door.
Specific embodiment
In order to make the foregoing objectives, features and advantages of the present invention clearer and more comprehensible, with reference to the accompanying drawing with specific reality
Mode is applied to be described in detail the present invention.Many details are explained in the following description in order to fully understand this hair
It is bright.But the invention can be embodied in many other ways as described herein, those skilled in the art can be not
Similar improvement is done in the case where violating intension of the present invention, therefore the present invention is not limited by the specific embodiments disclosed below.
In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside", " up time
The orientation or positional relationship of the instructions such as needle ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction " be orientation based on the figure or
Positional relationship is merely for convenience of description of the present invention and simplification of the description, rather than the device or element of indication or suggestion meaning must
There must be specific orientation, be constructed and operated in a specific orientation, therefore be not considered as limiting the invention.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include at least one this feature.In the description of the present invention, the meaning of " plurality " is at least two, such as two, three
It is a etc., unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc.
Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be mechanical connect
It connects, is also possible to be electrically connected；It can be directly connected, can also can be in two elements indirectly connected through an intermediary
The interaction relationship of the connection in portion or two elements, unless otherwise restricted clearly.For those of ordinary skill in the art
For, the specific meanings of the above terms in the present invention can be understood according to specific conditions.
In invention unless specifically defined or limited otherwise, fisrt feature can be in the second feature " on " or " down "
First and second features directly contact or the first and second features pass through intermediary mediate contact.Moreover, fisrt feature is
Two features " on ", " top " and " above " but fisrt feature be directly above or diagonally above the second feature, or be merely representative of the
One characteristic level height is higher than second feature.Fisrt feature can be first under the second feature " below ", " below " and " below "
Feature is directly under or diagonally below the second feature, or is merely representative of first feature horizontal height less than second feature.
It should be noted that it can be directly another when element is referred to as " being fixed on " or " being set to " another element
On one element or there may also be elements placed in the middle.When an element is considered as " connection " another element, it can be with
It is directly to another element or may be simultaneously present centering elements.Term as used herein " vertically ", " level
", "upper", "lower", "left", "right" and similar statement for illustrative purposes only, be not offered as being uniquely to implement
Mode.
As shown in Figure 1 to Figure 3, in this example, the drum-type heating furnace of the dedicated continuous heat of bearing steel ball comprising have
The furnace body 1 of inlet end 10 and outlet end 11 is rotatably arranged on the roller in furnace body 1 around the axial line that horizontal direction extends
2, be arranged in 2 inner wall of roller and along 2 length direction of roller spiral stream guidance part 3 in spiral distribution, be located at the outside of roller 2 and furnace
Heating component 4 between 1 inner wall of body, the driving assembly 5 for driving 2 rotation of roller, the peace that 1 inlet end 10 of furnace body is set
Full valve component 6 with the atmosphere protection component 7 of 1 outlet end 11 of furnace body is set, is connected to blanking in 1 outlet end 11 of furnace body it is logical
Road 8 and the oily curtain 9 being arranged in blanking channel 8.
As shown in connection with fig. 2, it is set side by side in the left part of furnace body 1 there are two the carrying idler wheel a around self-axis line rotation, is held
Carry the axial line of idler wheel a and the axis parallel of roller 2.
Roller 2 is freely set up from left part on two carrying idler wheel a, and the right part of roller 2 is arranged in driving assembly 5.
The benefit being arranged in this way, very labour-saving realize the rotation driving of roller, reduce energy consumption, meanwhile, the rolling dynamics of steel ball is opposite
Uniformly, steel ball is more advantageous to uniformly to heat.
As for the structure of driving assembly 5, in conjunction with Fig. 3, which is conventional chain wheel driving mechanism, belongs to ability
The common sense in domain, is not described in detail herein.
In this example, inlet end 10 is located at the left part of furnace body 1, and steel ball is sent to spiral by screw-feeder b and is led
The feed end of part 3 is flowed, outlet end 11 is located at the right part of furnace body 1 and is connected to the outlet end of spiral stream guidance part 3.
Meanwhile the above-mentioned screw-feeder b being related to, main purpose: one, pressing the feed of batch convenient for steel ball, thus
Successional heat treatment is realized in furnace；Two, it prevents when steel ball is fed, causes leaking for hot gas and protective atmosphere in furnace.
Specifically, screw-feeder b include be located in 1 inlet end 10 of furnace body and protrude into the device ontology b1 inside roller 2,
It is docked with device ontology b1 and can be by batch and the quantitative transport mechanism b2 for transmitting steel ball to device ontology b1.
In this example, device ontology b1 includes the first feeding cylinder b11 and the second feeding cylinder b12 being connected, wherein the first charging
Cylinder b11 is connected to transport mechanism b2 outlet end, and is equipped with and can be connected inside the first feeding cylinder b11 with spiral stream guidance part 3
Logical spiral shape feeding-passage c, when the first feeding cylinder b11 turns to spiral shape feeding-passage c and 3 communicating position of spiral stream guidance part
When, steel ball feeds the logical road c from spiral shape and falls into the spiral stream guidance part 3 in roller 2.
Specifically, notch is opened up on spiral shape feeding-passage c, and when the first feeding cylinder b11 is rotated to notch downward, steel
Ball is dropped down onto automatically in the spiral stream guidance part 3 in roller 2.
First feeding cylinder b11 from 1 inlet end 10 of furnace body to the second feeding cylinder b12 in internal diameter become larger it is pyramidal,
Second feeding cylinder b12 is arranged far from the end horizontal that furnace body 1 is fed to 2 internal stretch of roller from the first feeding cylinder b11, and second
The inside of roller b12 is filled with heat insulation layer b13.
In this example, the centerline collineation of 2 three of the first feeding cylinder b11, the second feeding cylinder b12 and roller is arranged.
Then, in order to prevent in the gas leakage to furnace body 1 of 2 inlet end of roller, in this example, feed device further includes setting
It sets in the first periphery feeding cylinder b11 and by the connector of 2 inlet end of roller sealed connection, wherein connector is rotatably arranged on furnace
The inlet end of body.The setting of the connector, it is mainly that feeding cylinder and helix drum fixation is integral, so, charging
Cylinder and helix drum rotate together, and when the first feeding cylinder is rotated to notch downward, steel ball is dropped down onto helix drum.
Transport mechanism b2 includes the storage bin b20 with first passage door b201, docks with the outlet end of storage bin b20
And the midway storehouse b21 with second channel door b212, the transmission for docking midway storehouse b21 with the inlet end 10 of furnace body 1
Channel b22, wherein storage bin b20 is located above the b21 of midway storehouse, when first passage door b201 is opened, second channel door b212
Closure setting；When second channel door b212 is opened, first passage door b201 closure setting.
Although this feed for carrying out batch steel ball using midway storehouse b21 is the conventional means of this field, in this Shen
Please in, there is a very unexpected technical effect, that is: further combined with spiral shape feeding-passage c, thoroughly shut out
Insulation gas and protective atmosphere leak, energy saving, and then substantially reduce steel ball hot processing cost.Therefore, the technology effect of institute's band
Fruit is very significant.
Specifically, the discharging of midway storehouse b21 is turningly arranged in from a side around horizontal direction by second channel door b212
Mouthful, Transfer pipe b22 outlet end protrudes into the inside of the first feeding cylinder b11.
In this example, heating furnace further includes feeding unit material e of the quantitative offer steel ball to storage bin b20, and feeding unit material e includes
Steel ball material stock storehouse e1, the hopper e2 docked with steel ball material stock storehouse e1 discharge port, it is arranged on hopper e2 for controlling steel ball discharging
Oscillator e3, be rotatably arranged at below hopper e2 and have and hopper e2 discharges around the pivot e40 that horizontal direction extends
The weight calculation mechanism e4 of mouth docking collecting tank e41 and the promotion that storage bin is docked and steel ball can be promoted to collecting tank e30
Machine e5.
Specifically, weight calculation mechanism e4 includes the bracket e42 around pivot e40 rotation, the clump weight positioned at bracket both ends
E43 and collecting tank e41 and balance sensor (not shown) are in when balance sensor is received positioned at pivot two sides
When balancing information is fed back, oscillator e3 stops concussion, and the steel ball in hopper e2 stops falling, and the door of collecting tank e41 is beaten
It opens, the steel ball after elevator e5 will be quantified is promoted to storage bin b20.
It is not described in detail herein as elevator e5 for conventional setting.
For this block is counted weight, in conjunction with shown in attached drawing 4, the weight calculation process of steel ball is as follows:
1, steel ball is dropped in steel ball material stock storehouse e1 in the hopper e2 configured with oscillator e3；
2, steel ball is shaken by oscillator e3 in hopper e2 and is delivered in the collecting tank e41 of weight calculation mechanism e4.
3, when steel ball weight reaches setting value, weight calculation mechanism e4 balance is triggered close to switch, balance sensor receives
Balancing information simultaneously signals to PLC controller.
4, PLC controller assigns halt instruction to oscillator e3, then passes through cylinder e6 for the envelope of collecting tank e41 discharge port
Door e7 is opened, and by the rising hopper of Steel ball conveyor to elevator e5, after steel ball collecting tank e41 completion of discharge, cylinder e6 is again
The closure door e7 of collecting tank e41 is closed, and then completes a quantitative feeding of steel ball.
Meanwhile as can be seen from FIG. 4, cylinder e6 and closure door e7 and collecting tank e41 is located at the right side of pivot e40, clump weight e43
Positioned at the left side of pivot e40, and, collecting tank e41 is obliquely installed from top to bottom, the setting that closure door e7 is rotated from the connecting shaft of bottom
In the outlet end of collecting tank e41.
Then, in this example, heating component 4 includes along extending downwardly from the top of furnace body 1 and be located in 2 side of roller and furnace
The first heating unit 41 between 1 side wall of body extends from the lateral of furnace body 1 and is located in 1 bottom of 2 bottom of roller and furnace body
The second heating unit 42 between inner wall.
Specifically, the first heating unit 41 and the second heating unit 42 respectively include multiple heating rod d, and multiple heating rods
D is spaced apart along the length direction of roller 2, so that the heating of steel ball is more uniform.
As for relief valve assembly 6, for this field, once exploding, the pressure that explosion generates can be leaked rapidly,
Ensure equipment safety.
As for atmosphere protection component 7, the protective atmosphere formed is nitrogen and Deposition During Propane Pyrolysis gas, is made certain in roller 2
Carbon potential, it is ensured that bearing steel ball not decarburization.
As for oily curtain 9, one side is with twice access door and spiral shape feeding-passage, so that steel ball is in input and output material
During will not generate leaking for hot gas and protective gas, reduce heat treatment cost；Production when on the other hand preventing steel ball quenching
Raw oil vapour enters in furnace body, so, can prevent carbon distribution or the corrosion of burner hearth, while also ensuring that the quality of steel ball.
In conclusion the present embodiment has the advantage that
1, the present embodiment can realize that steel ball transmits in heating furnace in steel ball roll procedure, so that steel ball heating is more equal
It is even, to improve the quality of steel ball heat treatment；
2, by the setting of twice access door, spiral shape feeding-passage and oily curtain, so that steel ball will not during input and output material
Leaking for hot gas and protective gas is generated, heat treatment cost is reduced；
3, under the setting of relief valve assembly, once exploding, the pressure that explosion generates can be leaked rapidly, it is ensured that equipment peace
Entirely；
4, under protective atmosphere protection, make carbon potential certain in roller, it is ensured that bearing steel ball not decarburization；
5, under the premise of quantitative and batch realization steel ball feed, it can be realized steel ball heat treatment process and belong to continuity, and
Therefore periodicity disclosed in non-existing illiciumverum rotary drum furnace has the raising of conspicuousness, and quality is also opposite in terms of production capacity
Stablize.
The present invention is described in detail above, its object is to allow the personage for being familiar with this field technology that can understand this
The content of invention is simultaneously implemented, and it is not intended to limit the scope of the present invention, all Spirit Essence institutes according to the present invention
The equivalent change or modification of work, should be covered by the scope of protection of the present invention.
Claims (10)
1. a kind of drum-type heating furnace of the dedicated continuous heat of bearing steel ball, it is characterised in that: the heating furnace includes tool
There is the furnace body of inlet end and outlet end, be rotatably arranged on the intracorporal rolling of the furnace around the axial line that horizontal direction extends
Cylinder, be arranged in the inner wall of rotary drum and along drum length direction spiral stream guidance part in spiral distribution, be located at the rolling
Heating component between cylinder outside and the inboard wall of furnace body, the driving assembly for driving the roller rotation, wherein it is described into
Material end is located at the one end of the furnace body, and steel ball is sent to the feed end of the spiral stream guidance part by screw-feeder,
The outlet end is located at the other end of the furnace body and is connected to the outlet end of the spiral stream guidance part.
2. the drum-type heating furnace of the dedicated continuous heat of bearing steel ball according to claim 1, it is characterised in that:
The one end of the furnace body is set side by side there are two the carrying idler wheel around self-axis line rotation, and the roller is free from one end
It sets up on two carrying idler wheels, the other end of the roller is arranged in the driving assembly.
3. the drum-type heating furnace of the dedicated continuous heat of bearing steel ball according to claim 1, it is characterised in that: described
Screw-feeder include the furnace body inlet end to be set and protruding into the rolling with being rotated synchronously with the roller
Device ontology inside cylinder is docked with the device ontology and quantitative can be transmitted by batch and to the device ontology steel ball
Transport mechanism.
4. the drum-type heating furnace of the dedicated continuous heat of bearing steel ball according to claim 3, it is characterised in that: described
Device ontology include the first feeding cylinder and the second feeding cylinder, wherein the first feeding cylinder is connected to the transport mechanism outlet end,
And the spiral shape feeding-passage that can be connected with the spiral stream guidance part is equipped with inside first feeding cylinder, when described
First feeding cylinder turns to the spiral shape feeding-passage and when the spiral stream guidance part communicating position, and steel ball is from the spiral shape
Feeding-passage is fallen into the spiral stream guidance part in the roller.
5. the drum-type heating furnace of the dedicated continuous heat of bearing steel ball according to claim 4, it is characterised in that: in institute
Notch is opened up on the spiral shape feeding-passage stated, when first feeding cylinder is rotated to the notch downward, steel ball is fallen automatically
In spiral stream guidance part in the roller.
6. the drum-type heating furnace of the dedicated continuous heat of bearing steel ball according to claim 4, it is characterised in that: described
The first feeding cylinder become larger from the furnace body inlet end to second feeding cylinder in internal diameter it is pyramidal, described the
Two feeding cylinders are extended far from the end horizontal that the furnace body is fed to the drums inside from first feeding cylinder, and institute
The inside for stating second tin roller is filled with heat insulation layer.
7. the drum-type heating furnace of the dedicated continuous heat of bearing steel ball according to claim 3, it is characterised in that: described
Transport mechanism include the storage bin with first passage door, dock with the outlet end of the storage bin and there is second channel
The midway storehouse of door, the Transfer pipe for docking the midway storehouse with the inlet end of the furnace body, wherein storage bin is located at
Above the midway storehouse, when the first passage door is opened, the second channel door closure setting；When the second channel door
When opening, the first passage door closure setting.
8. the drum-type heating furnace of the dedicated continuous heat of bearing steel ball according to claim 7, it is characterised in that: described
Heating furnace further include the quantitative steel ball that provides to the feeding unit material of the storage bin, the feeding unit material includes steel ball material stock
Storehouse, the hopper docked with the steel ball material stock bin discharge port external are arranged on the hopper for controlling the shake of steel ball discharging
Device, the pivotally setting extended around horizontal direction, which are swung, below the hopper and is had docks with the hopper discharge port
The weight calculation mechanism of collecting tank and the elevator that the storage bin is docked and steel ball can be promoted to the collecting tank,
Wherein the weight calculation mechanism includes around the pivotally supported bracket, the clump weight positioned at bracket both ends and the collection
Slot and balance sensor, when the balance sensor, which is received, is in balancing information feedback positioned at the pivot two sides,
The oscillator stops concussion, and the steel ball in the hopper stops falling, and the door of the collecting tank is opened, described
Steel ball after elevator will quantify is promoted to the storage bin.
9. the drum-type heating furnace of the dedicated continuous heat of bearing steel ball according to claim 1, it is characterised in that: described
Heating component include along being extended downwardly from the top of the furnace body and be located in the roller side and the sidewall of the furnace body
Between the first heating unit, extend from the lateral of the furnace body and be located in the cylinder bottom and the furnace body bottom
The second heating unit between portion's inner wall.
10. the drum-type heating furnace of the dedicated continuous heat of bearing steel ball according to claim 1, it is characterised in that: institute
The heating furnace stated further includes that the relief valve assembly of the furnace body inlet end is arranged in and the furnace body outlet end is arranged in
The blanking channel and the oily curtain that is arranged in the blanking channel of atmosphere protection component, connection in the furnace body outlet end.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811475525.5A CN109554521B (en) | 2018-12-04 | 2018-12-04 | Roller type heating furnace for continuous heat treatment special for bearing steel balls |
| PCT/CN2019/115355 WO2020114169A1 (en) | 2018-12-04 | 2019-11-04 | Continuous-heat-treatment rotary-drum-type heating furnace special for bearing steel balls |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811475525.5A CN109554521B (en) | 2018-12-04 | 2018-12-04 | Roller type heating furnace for continuous heat treatment special for bearing steel balls |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109554521A true CN109554521A (en) | 2019-04-02 |
| CN109554521B CN109554521B (en) | 2023-12-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811475525.5A Active CN109554521B (en) | 2018-12-04 | 2018-12-04 | Roller type heating furnace for continuous heat treatment special for bearing steel balls |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN109554521B (en) |
| WO (1) | WO2020114169A1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020114169A1 (en) * | 2018-12-04 | 2020-06-11 | 苏州中门子工业炉科技有限公司 | Continuous-heat-treatment rotary-drum-type heating furnace special for bearing steel balls |
| CN113234897A (en) * | 2021-04-16 | 2021-08-10 | 石美 | Heat treatment device with overheat protection function for machining center |
| CN118497480A (en) * | 2024-04-16 | 2024-08-16 | 湖北蓬鑫机械有限公司 | Heat treatment method for heat accumulating type natural gas furnace and ball |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111910067B (en) * | 2020-08-31 | 2024-05-10 | 浙江宏源车轮有限公司 | Rim heat treatment equipment |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009014126A (en) * | 2007-07-06 | 2009-01-22 | Nsk Ltd | Roller bearing |
| CN201220952Y (en) * | 2008-07-24 | 2009-04-15 | 苏州中门子科技有限公司 | Spiral feeding apparatus |
| WO2009074036A1 (en) * | 2007-12-10 | 2009-06-18 | Gang Chen | A quenching device for steel balls |
| CN106086337A (en) * | 2016-08-24 | 2016-11-09 | 宁国市志诚机械制造有限公司 | A kind of steel ball quenching production line |
| CN207619461U (en) * | 2017-12-14 | 2018-07-17 | 苏州中门子工业炉科技有限公司 | A kind of buffer-type quenching hopper of gushing of bearing steel ball heat treatment |
| CN209584305U (en) * | 2018-12-04 | 2019-11-05 | 苏州中门子工业炉科技有限公司 | The drum-type heating furnace of the dedicated continuous heat of bearing steel ball |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2115343U (en) * | 1991-08-02 | 1992-09-09 | 机械电子工业部机械第十设计研究院 | Inside seal spiral cylinder continuous heat treating furnace |
| US20080308978A1 (en) * | 2005-07-20 | 2008-12-18 | Herminio Maorenzic | Heat-Treating of Rolling Elements for Bearings, and Furnace for Implementing Such Treatment |
| CN101966925B (en) * | 2010-10-28 | 2012-06-20 | 江苏大学 | Spiral quantitative feeding device and stable feeding method |
| CN102445260A (en) * | 2011-09-22 | 2012-05-09 | 山东理工大学 | Automatic weighing loading device and intelligent compensation digital control method |
| CN209292429U (en) * | 2018-12-04 | 2019-08-23 | 苏州中门子工业炉科技有限公司 | The feed device of bearing steel ball heat treatment rotary drum furnace |
| CN109554521B (en) * | 2018-12-04 | 2023-12-12 | 苏州中门子工业炉科技有限公司 | Roller type heating furnace for continuous heat treatment special for bearing steel balls |
| CN109504842B (en) * | 2018-12-04 | 2024-06-25 | 苏州中门子工业炉科技有限公司 | Continuous heat treatment roller type production line and process special for bearing steel balls |
| CN209584304U (en) * | 2018-12-04 | 2019-11-05 | 苏州中门子工业炉科技有限公司 | The dedicated continuous heat drum-type production line of bearing steel ball |
-
2018
- 2018-12-04 CN CN201811475525.5A patent/CN109554521B/en active Active
-
2019
- 2019-11-04 WO PCT/CN2019/115355 patent/WO2020114169A1/en active Application Filing
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009014126A (en) * | 2007-07-06 | 2009-01-22 | Nsk Ltd | Roller bearing |
| WO2009074036A1 (en) * | 2007-12-10 | 2009-06-18 | Gang Chen | A quenching device for steel balls |
| CN201220952Y (en) * | 2008-07-24 | 2009-04-15 | 苏州中门子科技有限公司 | Spiral feeding apparatus |
| CN106086337A (en) * | 2016-08-24 | 2016-11-09 | 宁国市志诚机械制造有限公司 | A kind of steel ball quenching production line |
| CN207619461U (en) * | 2017-12-14 | 2018-07-17 | 苏州中门子工业炉科技有限公司 | A kind of buffer-type quenching hopper of gushing of bearing steel ball heat treatment |
| CN209584305U (en) * | 2018-12-04 | 2019-11-05 | 苏州中门子工业炉科技有限公司 | The drum-type heating furnace of the dedicated continuous heat of bearing steel ball |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020114169A1 (en) * | 2018-12-04 | 2020-06-11 | 苏州中门子工业炉科技有限公司 | Continuous-heat-treatment rotary-drum-type heating furnace special for bearing steel balls |
| CN113234897A (en) * | 2021-04-16 | 2021-08-10 | 石美 | Heat treatment device with overheat protection function for machining center |
| CN113234897B (en) * | 2021-04-16 | 2023-12-22 | 石美 | Heat treatment device with overheat protection function for machining center |
| CN118497480A (en) * | 2024-04-16 | 2024-08-16 | 湖北蓬鑫机械有限公司 | Heat treatment method for heat accumulating type natural gas furnace and ball |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109554521B (en) | 2023-12-12 |
| WO2020114169A1 (en) | 2020-06-11 |
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