CN209584304U - The dedicated continuous heat drum-type production line of bearing steel ball - Google Patents
The dedicated continuous heat drum-type production line of bearing steel ball Download PDFInfo
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- CN209584304U CN209584304U CN201822026556.4U CN201822026556U CN209584304U CN 209584304 U CN209584304 U CN 209584304U CN 201822026556 U CN201822026556 U CN 201822026556U CN 209584304 U CN209584304 U CN 209584304U
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 176
- 239000010959 steel Substances 0.000 title claims abstract description 176
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 26
- 238000010438 heat treatment Methods 0.000 claims abstract description 68
- 238000004140 cleaning Methods 0.000 claims abstract description 39
- 238000005496 tempering Methods 0.000 claims abstract description 34
- 238000001035 drying Methods 0.000 claims abstract description 28
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 14
- 238000000926 separation method Methods 0.000 claims abstract description 5
- 239000007788 liquid Substances 0.000 claims abstract description 4
- 238000003860 storage Methods 0.000 claims description 30
- 230000005540 biological transmission Effects 0.000 claims description 25
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- 241000276492 Melanogrammus Species 0.000 claims 1
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- 230000001681 protective effect Effects 0.000 description 10
- 238000010586 diagram Methods 0.000 description 7
- 238000007789 sealing Methods 0.000 description 7
- 230000008901 benefit Effects 0.000 description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 5
- 208000001840 Dandruff Diseases 0.000 description 5
- 229910052799 carbon Inorganic materials 0.000 description 5
- 238000012545 processing Methods 0.000 description 5
- 238000005096 rolling process 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
- 238000005261 decarburization Methods 0.000 description 3
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- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model relates to the dedicated continuous heat drum-type production lines of bearing steel ball comprising drying unit；Drum-type heating furnace, including furnace body, roller, spiral stream guidance part, heating component and driving assembly, wherein inlet end is located at the one end of furnace body, and steel ball blank 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；Steel ball blank quenches system；Cleaning machine；Tempering furnace, wherein cleaning machine includes rack, rinse bath, oil water separator, the circulatory system, conveyer system, the first and second oscillator, heater and temperature controller for the water after separation to be recycled to rinse bath, and wherein temperature controller will be located at rinse bath cleaning liquid inside temperature and control at 45 ± 5 DEG C.On the one hand the utility model realizes the heat treatment of steel ball continuity under the premise of, increase yield, and quality is stablized；On the other hand prevent the generation of slimeball and bastard phenomenon, while cleaning effect can also be improved.
Description
Technical field
The utility model belongs to bearing steel ball drum-type production line field, and in particular to a kind of dedicated Continuous Heat of bearing steel ball
Handle drum-type production line.
Background technique
As the improvement of steel ball blank making process and the research and development of equipment update, process flow is as follows at this stage: raw material
(bar)-cold-heading-photosphere-heat treatment-hard grind-early grind-lappingout-superfinishing grinds-optical appearance-cleaning rust-proof-product inspection-packet
Dress.Wherein, cold-heading is that club-shaped material is processed as blank by steel ball blank cold headers；The photosphere stage is used for the unified cold-heading stage
Dimensional tolerance afterwards 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 ball base
Internal organizational structure improves the intensity and service life of steel ball blank；Hard grind process is mainly used to improve the size of steel ball blank
Precision；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 without
Method carries out consecutive production 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,
Cause steel ball manufacturing cost higher.
Then, it after entering quenching to steel ball blank, carries out cleaning and deoils, then using oil water separator grease
Steel ball blank is finally sent into tempering furnace and carries out tempering by separation.However, above-mentioned cleaning process has the disadvantage that
1, in oil groove and cleaning machine outlet end, inevitably there is some remaining oil and water, due to small steel ball blank
Very light in weight is easy slimeball and bastard phenomenon to be generated, to the continuous production of steel ball blank with remaining water together with caking of oil
It makes troubles；
2, the cleaning solution of room temperature is difficult the removal of the grease of steel ball blank surface (principle and cold water wash the dishes identical).
Utility model content
Technical problem to be solved in the utility model is to overcome the deficiencies of the prior art and provide a kind of completely new bearing steel ball
Dedicated continuous heat drum-type production line.
In order to solve the above technical problems, the utility model adopts the following technical scheme:
A kind of dedicated continuous heat drum-type production line of bearing steel ball comprising:
Drying unit is used to carry out pre-heating drying to the preliminary molding steel ball blank of completion；
Drum-type heating furnace is used to heat the steel ball blank of drying, and including with inlet end and
The furnace body of outlet end is rotatably arranged on the intracorporal roller of the furnace around the axial line that horizontal direction extends, is arranged described
Inner wall of rotary drum and along drum length direction spiral stream guidance part in spiral distribution, be located on the outside of the roller and the furnace
Heating component between internal wall, the driving assembly for driving the roller rotation, wherein the inlet end is positioned at described
The one end of furnace body, and steel ball blank is sent to by screw-feeder the feed end of the spiral stream guidance part, the discharging
End is located at the other end of the furnace body and is connected to the outlet end of the spiral stream guidance part；
Steel ball blank quenches system, is connected to the outlet end of heating furnace, for carrying out to the steel ball blank after heating
Quenching treatment；
Cleaning machine is used to clean the steel ball blank surface after quenching treatment, removes the oil of steel ball blank surface
Rouge；
Tempering furnace, the steel ball blank after being used to clean carry out tempering,
Wherein cleaning machine include rack, with steel ball blank quenching system outlet end dock rinse bath, oil water separator,
Biography for the water after separation to be recycled to the circulatory system of rinse bath, be used to transmit from steel ball blank self-cleaning groove to tempering furnace
The first oscillator and for sending system, being separately positioned at steel ball blank quenching system outlet end and conveyer system outlet end
Two oscillators are arranged in rinse bath for the heater and temperature controller that are heated to cleaning solution, and wherein temperature controller is by position
It controls in rinse bath cleaning liquid inside temperature at 45 ± 5 DEG C.
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 utility model and preferred aspect, screw-feeder includes can be as roller be synchronous
It is rotatably arranged at furnace body inlet end and protrudes into the device ontology of drums inside, docked with device ontology and can be by batch and quantitative
The transport mechanism for transmitting steel ball 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 utility model and preferred aspect, heating furnace further include the quantitative steel ball that provides to storage
The feeder of feed bin, feeder include steel ball material stock storehouse, the hopper docked with steel ball material stock bin discharge port external, are arranged and use 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.
Preferably, the first oscillator and the second oscillator structure are identical, include being arranged in steel ball quenching system discharge end
The concussion motor of portion and conveyer system outlet end, docked with steel ball quenching system outlet end and conveyer system outlet end and
By the channel of steel ball guiding rinse bath and tempering furnace.Meanwhile oscillator is in the common product of the art, applicant is direct
Outsourcing, its specific structure and principle are not illustrated herein.
A specific implementation according to the present utility model and preferred aspect, conveyer system include annular transmission net band, setting
Multiple partition components on annular transmission net band, the driving assembly for driving annular transmission net band rotation, wherein per adjacent
Two partition components between form a steel ball storage area, by more between rinse bath outlet end and tempering furnace inlet end
A steel ball storage area is connected.The movement of endless belt conveyer belongs to conventional means for this field, therefore, to the side of driving
Formula can be using common sprocket wheel or belt wheel etc..
Preferably, partition component includes extending along annular transmission net bandwidth direction and being located on annular transmission net band
The positioning plate on surface, the demarcation plate being located on positioning plate, the end plate that demarcation plate both ends are set and same for that will be located at
The sealing plate that the end plate of side two is mutually flexibly connected, wherein two pieces of adjacent demarcation plates；End plate between two neighboring demarcation plate,
Sealing plate and positioning plate；And annular transmission net band upper surface forms steel ball storage area.
Further, demarcation plate is arranged perpendicular to positioning plate, and arranged in parallel between two adjacent demarcation plates.
Specifically, the end face three of end plate lateral surface, sealing plate medial surface and annular transmission net band flushes setting.It is convenient for
Steel ball storage area is formed, meanwhile, also enhance the intensity of mesh belt.
Preferably, annular transmission net band includes positioned at the horizontal segment of rinse bath lower horizontal transmission steel ball, from horizontal segment
The raising section that end is obliquely installed upwards, wherein horizontal segment and raising section junction are arc-shaped excessively.
According to another specific implementation of the utility model and preferred aspect, conveyer system further includes being located in above raising section
And air-dried air-dried component is carried out to steel ball in each steel ball storage area of process.
Preferably, air-dried component includes locating rack, blower and the wind-guiding mouth that fan outlet is arranged in, wherein wind-guiding
Mouth includes forming the mouth ontology become narrow gradually from top to bottom and from two sides to middle part, docking from mouth body upper part with fan outlet
Connector, wherein mouth ontology along annular transmission net bandwidth direction extend.
Specifically, the air outlet width of mouth ontology is that steel ball stores the 1/10 ~ 1/2 of sector width.
Due to the implementation of above technical scheme, the utility model has the advantages that compared with prior art
On the one hand under the premise of meeting consecutive production, steel ball ingredient is heated the utility model in rolling, and
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；Another party
Face prevents the generation of slimeball and bastard phenomenon, while being easier by cleaning solution after heating will by the concussion mode of oscillator
The grease of steel ball surface removes, and improves cleaning effect, in addition, yield obviously increases, and the interior tissue of steel ball has differences
Smaller, quality is stablized.
Detailed description of the invention
With reference to the accompanying drawing and specific embodiment, the utility model is described in more detail:
Fig. 1 is the structural schematic diagram of the utility model drum-type production line；
Fig. 2 is the structural schematic diagram of 1# feeder in Fig. 1；
Fig. 3 is that Fig. 2 falls into a trap the structural schematic diagram of heavy-duty machine structure；
Fig. 4 is the structural schematic diagram of drying unit in Fig. 1；
Fig. 5 is the schematic front view (broken section) of drum-type heating furnace in Fig. 1；
Fig. 6 is the left view schematic diagram of Fig. 5；
Fig. 7 is the right side view of Fig. 5；
Fig. 8 is the schematic front view that system is quenched in Fig. 1；
Fig. 9 is the schematic front view of cleaning machine in Fig. 1；
Figure 10 is the local overlooking schematic diagram (not showing conveyer system) of Fig. 9；
Figure 11 is the partial structurtes schematic top plan view of conveyer system in Figure 10；
Figure 12 is the structural schematic diagram (broken section) of tempering furnace (drum-type) in Fig. 1；
Wherein: e, 1# feeder；E1, steel ball material stock storehouse；E2, hopper；E3, oscillator；E4, weight calculation mechanism；E40, pivot
Axis；E41, collecting tank；E42, bracket；E43, clump weight；E5, elevator；E6, cylinder；E7, closure door；
B, drying unit；B1, drying oven；B2, drying roller；B20, helical duct；B3, heating component；B4, airflow circulating
System；B5, drive system；
C, 2# feeder；
D, drum-type heating furnace；1, furnace body；10, inlet end；11, outlet end；2, roller；3, spiral stream guidance part；4,
Heating component；41, the first heating unit；42, the second heating unit；5, driving assembly；6, relief valve assembly；7, atmosphere protection group
Part；8, blanking channel；9, oily curtain；A, idler wheel is carried；B, screw-feeder；B1, device ontology；B11, the first feeding cylinder；B12,
Two feeding cylinders；B13, adiabator layer；B2, transport mechanism；B20, weight calculation storehouse；B201, first passage door；B21, midway storehouse；
B212, second channel door；B22, Transfer pipe；C, spiral shape feeding-passage；D, heating rod；
E, system is quenched；
F, cleaning machine；F1, rack；F2, rinse bath；F3, oil water separator；F4, the circulatory system；F5, conveyer system；50,
Annular foraminous conveyer；50a, horizontal segment；50b, raising section；51, partition component；510, positioning plate；511, demarcation plate；512, it holds
Plate；513, sealing plate；52, driving assembly；53, component is air-dried；530, locating rack；531, blower；532, wind-guiding mouth；Fc, mouth ontology；
Fd, connector；F6, the first oscillator；F7, the second oscillator；Fa, concussion motor；Fb, channel；F8, heater；Q, steel ball is stored
Area.
G, tempering furnace (drum-type)；G1, tempering furnace body；G2, tempering roller；G3, feeder；G4, driving unit；G5, add
Hot device；G6, circulating fan.
Specific embodiment
To keep the above objects, features, and advantages of the utility model more obvious and easy to understand, with reference to the accompanying drawing with tool
Body embodiment is described in detail the utility model.Many details are explained in the following description in order to abundant
Understand the utility model.But the utility model can be implemented with being much different from other way described herein, this field
Technical staff can do similar improvement without prejudice to the utility model connotation, therefore the utility model is not by following public affairs
The limitation for the specific embodiment opened.
In the description of the present invention, it should be understood that term " center ", " longitudinal direction ", " transverse direction ", " length ", " width
Degree ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside",
The orientation or positional relationship of the instructions such as " clockwise ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction " is based on the figure
Orientation or positional relationship is merely for convenience of describing the present invention and simplifying the description, rather than the dress of indication or suggestion meaning
It sets or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as to the utility model
Limitation.
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.The meaning of " plurality " is at least two, such as two in the description of the present invention,
It is a, three etc., unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " Gu
It is fixed " etc. terms 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 connection, is also possible to be electrically connected；It can be directly connected, two can also be can be indirectly connected through an intermediary
The interaction relationship of connection or two elements inside element, unless otherwise restricted clearly.For the common skill of this field
For art personnel, the concrete meaning of above-mentioned term in the present invention can be understood as the case may be.
In utility model unless specifically defined or limited otherwise, fisrt feature in the second feature " on " or " down " may be used
To be that the first and second features directly contact or the first and second features pass through intermediary mediate contact.Moreover, fisrt feature
But fisrt feature is directly above or diagonally above the second feature above the second feature " above ", " above " and " above ", or only table
Show that first feature horizontal height is higher than second feature.Fisrt feature can be under the second feature " below ", " below " and " below "
Fisrt 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, drum-type production line involved by the present embodiment includes 1# feeder e, drying unit B, 2# feeder
C, drum-type heating furnace D, quenching system E, cleaning machine F, tempering furnace (drum-type) G.
As shown in Fig. 2, it includes steel ball material stock storehouse e1 and steel ball that 1# feeder e, which includes steel ball material stock storehouse, feeding unit material e,
The hopper e2 of material stock storehouse e1 discharge port docking, it is arranged on hopper e2 for controlling the oscillator e3 of steel ball discharging, around level
The pivot e40 that direction extends is rotatably arranged at below hopper e2 and has the meter for docking collecting tank e41 with hopper e2 discharge port
The heavy-duty machine structure e4 and elevator e5 that storage bin is docked and steel ball can be promoted to collecting tank e30.
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 3, 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. 3, 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.
It is conveyed in the form of roller as drying unit B, specific structure is referring to attached drawing 4 comprising drying oven
B1, the drying roller B2 being rotatably arranged in drying oven B1 along horizontal direction, it is located at the bottom drying roller B2 and drying oven B1
Between the inner wall of bottom heating component B3, the airflow circulating system B4 at the top of drying oven B1 and for drive drying rolling
The drive system B5 of cylinder B2 rotation is wherein equipped with inside drying roller B2 logical along length direction spiral in spiral distribution
Road B20, circulatory system B4 to be formed in the heating interval formed between drying oven B1 inner wall and the periphery drying roller B2
Circulation, consequently facilitating steel ball blank is uniformly dried and preheated.
Specifically, drive system B5, is arranged in the right part of drying roller B2, the left part of drying roller B2 is in idler wheel branch
It is freely rotated under support.
It is identical as 1# feeder e structure as 2# feeder C, it is not carried out repeating to state herein.
As shown in Figures 5 to 7, in this example, drum-type heating furnace D comprising there is inlet end 10 and outlet end 11
Furnace body 1, around the axial line that horizontal direction extends be rotatably arranged on roller 2 in furnace body 1, be arranged on 2 inner wall of roller and edge
2 length direction of roller spiral stream guidance part 3 in spiral distribution, the heating component between the outside of roller 2 and 1 inner wall of furnace body
4, for driving the driving assembly 5 of 2 rotation of roller, the relief valve assembly 6 that 1 inlet end 10 of furnace body is arranged in and setting in furnace body
The atmosphere protection component 7 of 1 outlet end 11, connection are logical in blanking in the blanking channel 8 of 1 outlet end 11 of furnace body and setting
Oily curtain 9 in road 8.
As shown in connection with fig. 6, 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. 6, 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.
Heating component 4 includes along extending downwardly and be located between 1 side wall of 2 side of roller and furnace body from the top of furnace body 1
The first heating unit 41, extend from the lateral of furnace body 1 and be located between 1 bottom interior wall of 2 bottom of roller and furnace body
Second heating unit 42.
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.
Using drum-type heating furnace in this example, have 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
Uniformly, 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 is during input and output material
Leaking for hot gas and protective gas will not be 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 set
Standby safety；
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 continuously
Property, and therefore periodicity disclosed in non-existing octagonal rotary drum furnace has the raising of conspicuousness, and quality in terms of production capacity
Also relatively stable.
As for quenching system E, is conventional arrangement, referring specifically to the conveyer system and cleaning machine F shown in Fig. 8, used
Conveyer system is identical.
Cleaning machine F referring to Fig. 9 to Figure 11, in this example, for bearing steel ball heat treatment comprising rack F1 and steel ball
Quenching system outlet end docking rinse bath F2, oil water separator F3, for by separation after water be recycled to rinse bath F2's
Circulatory system F4, the conveyer system F5 for transmitting steel ball self-cleaning groove F2 to tempering furnace, it is separately positioned on steel ball quenching system
The first oscillator F6 and the second oscillator F7, setting at system outlet end and conveyer system outlet end are used in rinse bath F2
In the heater F8 and temperature controller that are heated to cleaning solution, wherein temperature controller will be located at rinse bath F2 cleaning liquid inside temperature
Lower limit is controlled at 45 DEG C, and when the stabilization of cleaning solution is lower than 45 DEG C, heater F8 is heated automatically.
First oscillator F6 and the second oscillator F7 structure are identical, include setting in steel ball quenching system outlet end and
The concussion motor Fa of conveyer system outlet end, it docks and incites somebody to action with steel ball quenching system outlet end and conveyer system outlet end
The channel Fb of steel ball guiding rinse bath and tempering furnace.Meanwhile oscillator is in the common product of the art, applicant is direct
Outsourcing, its specific structure and principle are not illustrated herein.
Conveyer system F5 include annular transmission net band 50, the multiple partition components 51 being arranged on annular transmission net band 50,
Driving assembly 52 for driving annular transmission net band 50 to rotate, wherein forming one between per two adjacent partition components 51
Steel ball storage area Q is connected between rinse bath F2 outlet end and tempering furnace inlet end by multiple steel ball storage area Q.Ring
The movement of shape conveyer belt 50 belongs to conventional means for this field, therefore, can use common sprocket wheel to the mode of driving
Or belt wheel etc..
In conjunction with shown in attached drawing 12, partition component 51 includes extending along annular 50 width direction of transmission net band and being located in ring
The positioning plate 510 of 50 upper surface of shape transmission net band, is arranged at 511 liang of demarcation plate the demarcation plate 511 being located on positioning plate 510
The end plate 512 of end and the sealing plate 513 being flexibly connected for 512 phase of ipsilateral two end plates will to be located at, wherein adjacent two pieces
Demarcation plate 511；End plate 512, sealing plate 513 and positioning plate 510 between two neighboring demarcation plate；And annular transmission net band
50 upper surfaces form steel ball storage area Q.
Demarcation plate 511 is arranged perpendicular to positioning plate 510, and arranged in parallel between two adjacent demarcation plates 511.
Specifically, the end face three of 512 lateral surface of end plate, 513 medial surface of sealing plate and annular transmission net band 50 flushes and sets
It sets.Convenient for forming steel ball storage area Q, meanwhile, also enhance the intensity of mesh belt.
In this example, annular transmission net band 50 includes horizontal segment 50a, Zi Shui positioned at rinse bath F2 lower horizontal transmission steel ball
The raising section 50b that the end of flat section 50a is obliquely installed upwards, the wherein arc-shaped mistake of horizontal segment 50a and the raising section junction 50b
Degree.
Conveyer system F5 further includes being located in above the 50b of raising section and to steel ball in each steel ball storage area Q of process
Carry out air-dried air-dried component 53.
It air-dries component 53 and includes locating rack 530, blower 531 and the wind-guiding mouth 532 that 531 air outlet of blower is set,
Middle wind-guiding mouth 532 include formed the mouth ontology Fc become narrow gradually from top to bottom and from two sides to middle part, from the mouth top ontology Fc with
The connector Fd of 531 air outlet of blower docking, wherein mouth ontology Fc extends along annular 50 width direction of transmission net band.
In this example, the air outlet width of mouth ontology Fc is that steel ball stores the 1/5 of sector width.The length of air outlet is equal to annular
The width of transmission net band 50.
In addition, above-mentioned oil water separator F3 and circulatory system F4, referring specifically to 200810107155.X(the applicant
Through obtain patent right) disclosed in structure, it is not described in detail herein.
To sum up, the cleaning machine of the present embodiment, has the advantage that
1, by the concussion mode of oscillator, prevent the generation of slimeball and bastard phenomenon；
2, it is easier to remove the grease of steel ball surface by cleaning solution after heating, improves cleaning effect；
3, under the premise of convenient for forming steel ball storage area, enhance the intensity of mesh belt；
4, by air-drying the setting of component, it is in drying regime before entering tempering furnace using steel ball, substantially reduces slimeball
With the probability of bastard.
Then, referring to Figure 11, tempering furnace G, structure is similar to above-mentioned drum-type heating furnace D.
Specifically, stove G is also drum-type comprising tempering furnace body G1, the internal tempering roller with spiral flow deflector
G2, feeder G3, driving tempering roller G2 rotation that tempering roller G2 inlet end is docked with cleaning machine F outlet end are set
Driving unit G4, positioned at tempering the bottom roller G2 heater G5 and tempering the periphery roller G2 and furnace body G2 inner wall it
Between formed circulation circulating fan G6.
Purpose as feeder G3 is exactly that steel ball blank is oriented to the spiral stream guidance on piece of tempering roller G2, so that steel ball
Blank carries out tempering in rolling.
In conclusion the present embodiment is related to the heat treatment process of bearing steel ball blank, the specific steps of which are as follows:
1) feeding, is carried out by 1# feeder by steel-ball mill materials quantitative and by batch, is then fed into drying unit and carries out in advance
Heat and drying；
2) the steel ball blank dried in step 1), is sent into drum-type heating furnace by 2# feeder again, wherein the 2#
The structure of feeder is identical as the structure of 1# feeder；
3), under the premise of the rotation of roller and periphery are heated, steel ball blank rolls therewith, and is oriented in spiral stream guidance part
It is lower to be transmitted to outlet end, complete heat treatment；
4) it, is quenched from the oil-quenching tank that the outlet end of roller falls into quenching system；
5), complete quenching treatment after steel ball blank fall into cleaning machine under the concussion of the first oscillator rinse bath in into
Row cleaning, to remove the grease of steel ball surface, wherein the temperature of cleaning solution is controlled at 45 ± 5 DEG C, then will by oil water separator
Oil is separated with cleaning solution, and cleaning solution is recycled in rinse bath and is cleaned, will by endless belt conveyer after the completion of to be cleaned
Steel ball material base is transmitted to tempering furnace, and is dried steel ball material by air-drying component in transmit process；
6), dry after steel ball blank tempering furnace is sent under the concussion of the second oscillator, then in tempering furnace into
Row tempering, the outlet end discharge of last self tempering furnace, completes the heat treatment process of steel ball ingredient.
The utility model is described in detail above, its object is to allow the personage for being familiar with this field technology can be much of that
It solves the content of the utility model and is implemented, do not limit the protection scope of the present invention, it is all practical according to this
Equivalent change or modification made by novel Spirit Essence should all cover within the protection scope of the present utility model.
Claims (10)
1. a kind of dedicated continuous heat drum-type production line of bearing steel ball, it is characterised in that: comprising:
Drying unit is used to carry out pre-heating drying to the preliminary molding steel ball blank of completion；
Drum-type heating furnace is used to heat the steel ball blank of drying, and including with inlet end and discharging
The furnace body of end is rotatably arranged on the intracorporal roller of the furnace around the axial line that horizontal direction extends, is arranged in the roller
Inner wall and along drum length direction spiral stream guidance part in spiral distribution, be located on the outside of the roller in the furnace body
Heating component between wall, the driving assembly for driving the roller rotation, wherein the inlet end is located at the furnace body
One end, and steel ball blank is sent to by screw-feeder the feed end of the spiral stream guidance part, the outlet end
Positioned at the furnace body the other end and be connected to the outlet end of the spiral stream guidance part；
Steel ball blank quenches system, is connected to the outlet end of the heating furnace, for carrying out to the steel ball blank after heating
Quenching treatment；
Cleaning machine is used to clean the steel ball blank surface after quenching treatment, removes the grease of steel ball blank surface；
Tempering furnace, the steel ball blank after being used to clean carry out tempering,
Wherein the cleaning machine includes rack, with the steel ball blank quenches rinse bath, the grease that system outlet end docks
Separator, for by separation after water be recycled to the circulatory system of the rinse bath, be used for by steel ball blank self-cleaning groove to return
The conveyer system of stove transmission is separately positioned on the steel ball blank quenching system outlet end and the conveyer system discharge end
The first oscillator and the second oscillator at portion, be arranged in heater in the rinse bath for being heated to cleaning solution,
And temperature controller, it controls wherein the temperature controller will be located at the rinse bath cleaning liquid inside temperature at 45 ± 5 DEG C.
2. the dedicated continuous heat drum-type production line of bearing steel ball according to claim 1, it is characterised in that: described
The one end of furnace body is set side by side there are two the carrying idler wheel around self-axis line rotation, and the roller is freely set up from one end
On two carrying idler wheels, the other end of the roller is arranged in the driving assembly.
3. the dedicated continuous heat drum-type production line of bearing steel ball according to claim 1, it is characterised in that: described
Screw-feeder includes the furnace body inlet end being arranged in and protrudes into the roller with rotating synchronously with the roller
Internal device ontology docks and can be by batch and the quantitative biography for transmitting steel ball to the device ontology with the device ontology
Send mechanism.
4. the dedicated continuous heat drum-type production line of bearing steel ball according to claim 3, it is characterised in that: described
Device ontology includes 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 the
One feeding cylinder turns to the spiral shape feeding-passage and when the spiral stream guidance part communicating position, steel ball from the spiral shape into
Material channel is fallen into the spiral stream guidance part in the roller.
5. the dedicated continuous heat drum-type production line of bearing steel ball according to claim 4, it is characterised in that: described
Spiral shape feeding-passage on open up notch, when first feeding cylinder is rotated to the notch downward, steel ball drops down onto automatically
In spiral stream guidance part in the roller.
6. the dedicated continuous heat drum-type production line of bearing steel ball according to claim 4 or 5, it is characterised in that: institute
The first feeding cylinder stated from the furnace body inlet end to second feeding cylinder in internal diameter become larger it is pyramidal, it is described
Second feeding cylinder is extended far from the end horizontal that the furnace body is fed to the drums inside from first feeding cylinder, and
The inside of second feeding cylinder is filled with heat insulation layer.
7. the dedicated continuous heat drum-type production line of bearing steel ball according to claim 3, it is characterised in that: described
Transport mechanism includes the storage bin with first passage door, docks with the outlet end of the storage bin and have second channel door
Midway storehouse, the Transfer pipe for docking the midway storehouse with the inlet end of the furnace body, wherein storage bin is located at institute
It states above the storehouse of midway, when the first passage door is opened, the second channel door closure setting；When the second channel door is beaten
When opening, the first passage door closure setting.
8. the dedicated continuous heat drum-type production line of bearing steel ball according to claim 7, it is characterised in that: described
Drum-type production line further includes the quantitative steel ball that provides to the feeder of the storage bin, and the feeder 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 dedicated continuous heat drum-type production line of bearing steel ball according to claim 1, it is characterised in that: described
Drum-type heating furnace further includes that the relief valve assembly of the furnace body inlet end is arranged in and is arranged in the furnace body outlet end
Blanking channel and the oil that is arranged in the blanking channel in the furnace body outlet end of atmosphere protection component, connection
Curtain.
10. the dedicated continuous heat drum-type production line of bearing steel ball according to claim 1, it is characterised in that: described
Conveyer system include annular transmission net band, the multiple partition components being arranged on the annular transmission net band, for driving
It states the driving assembly of annular transmission net band rotation and is located in the rack and each described steel ball blank process
Steel ball blank carries out air-dried air-dried component in storage area, wherein forming a steel-ball mill between per two adjacent partition components
Expect storage area, passes through multiple steel ball blank storage areas between the rinse bath outlet end and the tempering furnace inlet end
It is connected.
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| CN201822026556.4U CN209584304U (en) | 2018-12-04 | 2018-12-04 | The dedicated continuous heat drum-type production line of bearing steel ball |
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| CN201822026556.4U CN209584304U (en) | 2018-12-04 | 2018-12-04 | The dedicated continuous heat drum-type production line of bearing steel ball |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109504842A (en) * | 2018-12-04 | 2019-03-22 | 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 and technique |
| WO2020114259A1 (en) * | 2018-12-04 | 2020-06-11 | 苏州中门子工业炉科技有限公司 | Cleaning apparatus for heat treatment of bearing micro steel ball |
| 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 |
| CN111899910A (en) * | 2020-07-15 | 2020-11-06 | 四川润祥辐照技术有限公司 | Electron beam irradiation method and irradiation system |
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2018
- 2018-12-04 CN CN201822026556.4U patent/CN209584304U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109504842A (en) * | 2018-12-04 | 2019-03-22 | 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 and technique |
| WO2020114259A1 (en) * | 2018-12-04 | 2020-06-11 | 苏州中门子工业炉科技有限公司 | Cleaning apparatus for heat treatment of bearing micro steel ball |
| WO2020114173A1 (en) * | 2018-12-04 | 2020-06-11 | 苏州中门子工业炉科技有限公司 | Bearing steel ball special continuous heat treatment drum-type production line and process |
| 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 |
| CN111899910A (en) * | 2020-07-15 | 2020-11-06 | 四川润祥辐照技术有限公司 | Electron beam irradiation method and irradiation system |
| CN111899910B (en) * | 2020-07-15 | 2023-04-25 | 四川润祥辐照技术有限公司 | Electron beam irradiation method and irradiation system |
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