CN106222673B - A kind of annular turns bottom flexibility heat-treatment production line and its heat treatment method - Google Patents
A kind of annular turns bottom flexibility heat-treatment production line and its heat treatment method Download PDFInfo
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- CN106222673B CN106222673B CN201610778903.1A CN201610778903A CN106222673B CN 106222673 B CN106222673 B CN 106222673B CN 201610778903 A CN201610778903 A CN 201610778903A CN 106222673 B CN106222673 B CN 106222673B
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
- C23F17/00—Multi-step processes for surface treatment of metallic material involving at least one process provided for in class C23 and at least one process covered by subclass C21D or C22F or class C25
-
- 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
- C21D1/18—Hardening; Quenching with or without subsequent tempering
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C8/00—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C8/02—Pretreatment of the material to be coated
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C8/00—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C8/06—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases
- C23C8/08—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases only one element being applied
- C23C8/20—Carburising
- C23C8/22—Carburising of ferrous surfaces
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C8/00—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C8/80—After-treatment
Abstract
The invention discloses a kind of annulars of technical field of heat treatment to turn bottom flexibility heat-treatment production line and its heat treatment method, including feeding platform, the feeding platform upper and lower ends are symmetrically arranged with feeding storing stand and transmission device and discharging storing stand and transmission device, equipped with cleaning machine before two stations at the top of the feeding storing stand and transmission device, the bottom of the double-station oil-quenching tank and lifting device is equipped with cleaning machine after three stations, the left side of cleaning machine pushes and pulls chain mechanism by pawl type and is connected with push-down low-temp temper furnace after three station, the air-cooled left side is connected with discharging transition bench, lifting platform is installed on the left of the discharging transition bench, the present invention is able to achieve the product of a variety of different layer depths while producing, with very flexible productive prospecting, conveniently condition is provided to tissue production, blank panel need not be pushed away when process shifts Replacing process has played device efficiency to greatest extent.
Description
Technical field
The present invention relates to technical field of heat treatment, specially a kind of annular turns bottom flexibility heat-treatment production line and its heat treatment
Method.
Background technique
Heat treatment refers to material in the solid state, by the means of heating, heat preservation and cooling, to obtain intended tissue and performance
A kind of metal heat processing technique.Metal heat treatmet is one of the important process in machine-building, compared with other processing technologys,
Heat treatment does not change the shape and whole chemical component of workpiece generally, but passes through the microscopic structure for changing inside workpiece, or
Change the chemical component of workpiece surface, assigns or improve the service performance of workpiece.Its main feature is that improve the inherent quality of workpiece, and
This is generally not that naked eyes can be seen.To make metal works that there is required mechanical property, physical property and chemical property,
In addition to reasonable selection material and various forming technologies, heat treatment process is often essential.Steel is answered in mechanical industry
With most wide material, microstructure of iron and steel is complicated, can be controlled by heat treatment, so the heat treatment of steel is metal fever
The main contents of processing.In addition, aluminium, copper, magnesium, titanium etc. and its alloy also can by heat treatment change its mechanics, physics and
Chemical property, to obtain different service performances.
Existing workpiece produces the product for needing different layer depths in heat treatment respectively, and works as process shifts
When, it needs different blank panels of pushing to carry out replacing process, the performance efficiency of equipment is strongly limited, for this purpose, we have invented one kind
Annular turns bottom flexibility heat-treatment production line and its heat treatment method, comes into operation to solve the above problems.
Summary of the invention
The purpose of the present invention is to provide a kind of annulars to turn bottom flexibility heat-treatment production line and its heat treatment method, to solve
Prior heat treatment process efficiency mentioned above in the background art problem not good enough in performance.
To achieve the above object, the invention provides the following technical scheme: a kind of annular turns bottom flexibility heat-treatment production line, packet
Feeding platform is included, the feeding platform upper and lower ends are symmetrically arranged with feeding storing stand and transmission device and discharging storing stand and transmission dress
It sets, cleaning machine before two stations is equipped at the top of the feeding storing stand and transmission device, cleaning motor spindle connection before two station
There is push-down pre-oxidation furnace, the push-down pre-oxidation furnace right side is connected with push-down heating furnace by pushing away chain mechanism, described to push away
It chain mechanism is pushed away by side high temperature on the right side of rod-type heating furnace is connected with annular and turn bottom carburizer, the annular turns the right side of bottom carburizer
Turn to be connected on the left of the diffusion furnace of bottom with annular, the annular, which turns to be connected with push-down by discharging mechanism on the right side of bottom diffusion furnace, quenches
Fire cooling furnace, push-down quenching cooling furnace bottom right side discharge port by push away chain mechanism be connected with double-station oil-quenching tank and
The bottom of lifting device, the double-station oil-quenching tank and lifting device is equipped with cleaning machine after three stations, clear after three station
The left side of washing machine pushes and pulls chain mechanism by pawl type and is connected with push-down low-temp temper furnace, the push-down low-temp temper furnace left side
Discharge port is connected with air-cooled by zipper, and the air-cooled left side is connected with discharging transition bench, the discharging transition bench
Left side is equipped with lifting platform, the feeding storing stand and transmission device and is uniformly provided with feeding storing stand by mounting bracket, and every
Charging tray detection device is equipped on a feeding storing stand, cleaning machine includes that buck embathes cleaning device and hot water before two station
Spraying and cleaning apparatus, and buck embathes cleaning device and heat water-spraying's cleaning device in being symmetrically arranged up and down, the push-down adds
Hot stove bottom is equipped with bottom feed space, and bottom feed space is the oven chamber structure of sealing, pushes away chain on the right side of the push-down pre-oxidation furnace
Mechanism is connected with the bottom charging lifting platform being arranged in inside the feed space of bottom, and delivery pipe is equipped at the top of the push-down heating furnace.
Preferably, the annular turns to be equipped with gear motor on the carburizer of bottom, and gear motor bottom power output end with
Gear on the left of turntable is meshed.
Preferably, two groups of air-coolers are symmetrically equipped on the air-cooled platform.
The present invention also provides a kind of methods that annular turns bottom flexibility heat-treatment production line, specifically includes the following steps:
S1: it feeding and stock: by operator by workpiece to be processed, is packed into empty tray by charging requirement, passes through vehicle
Between charging tray transfer device the charging tray for installing workpiece is put on the feeding platform on production line, and by two-way transfer trolley will fill
The charging tray of good workpiece takes out and is transferred in feeding storing stand and transmission device, and is sent to before two stations at cleaning machine；
S2: preceding cleaning: before charging tray is transferred to two stations from feeding storing stand and transmission device by two-way transfer trolley
In cleaning machine, embathing cleaning and heat water-spraying's cleaning using buck will clean before workpiece to be processed；
S3: it pre-oxidation: is set inside push-down pre-oxidation furnace there are five charging tray position, the workpiece to be processed after preceding cleaning is transmitted
Into push-down pre-oxidation furnace, the heating of the area Bing Fenliang and control, use temperature range are 350-550 DEG C；
S4: heating: the workpiece for completing pre-oxidation is transferred on bottom charging lifting platform by pushing away chain mechanism, and bottom feeds lifting platform band
Charging tray and workpiece rise to the orbit altitude of push-down heating furnace, charging tray is transferred to push-down by the electric pushrod of air-exchanging chamber
In heating furnace, workpiece heat treatment is carried out；
S5: carburizing: after the completion of heating, workpiece, which by side high temperature pushes away chain mechanism charging tray is transferred to annular, to be turned in the carburizer of bottom,
By the way that different carburizing times is arranged, to complete the carburizing requirement of the different layer depths under identical furnace gas；
S6: diffusion: after reaching the carburization process time of workpiece setting, charging tray tracking system can issue instruction and by signal
It feeds back to annular to turn in the discharging mechanism of bottom carburizer, charging tray is transferred to annular and is turned in the diffusion furnace of bottom, carry out workpiece diffusion flow
Journey；
S7: cooling and quenching: after reaching the diffusion technique time of workpiece setting, charging tray tracking system can issue instruction simultaneously
Signal is fed back into the discharging mechanism that annular turns bottom diffusion furnace, charging tray is transferred to push-down quenching cooling furnace by discharging mechanism
In, the stepping of charging tray is completed by electric pushrod in push-down quenching cooling furnace, and controls its movement by rear limit detection bar
Distance, and by signal feed back to push-down quenching cooling furnace side high temperature push away chain mechanism, chain mechanism is pushed away for workpiece by side high temperature
It is transferred to quenching and preserving heat room, workpiece is pushed on double-station oil-quenching tank and lifting device by the chain mechanism that pushes away of quenching and preserving heat room, from
And complete the type of cooling of oil quenching；
S8: rear cleaning: cleaning machine is cleaned after the workpiece transfer to three stations after the completion of quenching, and successively passes through three works
The caustic dip of cleaning machine, clear water cleaning and drying course, workpiece stop time of a cycle in each interior behind position,
The pawl type that the equidistant movement of charging tray is driven by chain pushes and pulls chain mechanism to complete；
S9: tempering: chain mechanism is pushed and pulled by pawl type again after the completion of cleaning, charging tray is pushed into push-down low-temp temper furnace
Interior, push-down low-temp temper furnace is equipped with two, can be divided into different temperature and is tempered, and every push-down low-temp temper furnace is single
Structure is arranged, is equipped with 10 charging tray positions in every push-down low-temp temper furnace, is divided into the heating of 3rd area and control；
S10: air-cooled: workpiece discharging is pulled out by zipper after completing tempering process, and is placed on air-cooled roller-way, air-cooled
Roller-way is divided into three air-cooled, discharging transition bench and lifting platform structures, is carried out using two groups of air-coolers on air-cooled platform to workpiece
It is air-cooled；
S11: discharging and storing: it is air-cooled after the completion of by two-way transfer trolley by the one disk workpiece transfer of end on lifting platform extremely
On discharging storing stand and transmission device, and draw operation is implemented by two-way transfer trolley.
Compared with prior art, the beneficial effects of the present invention are: the present invention is able to achieve the product of a variety of different layer depths simultaneously
Produced, have very flexible productive prospecting, to tissue production provide conveniently condition, when process shifts without
Blank panel must be pushed away and carry out replacing process, played device efficiency to greatest extent.
Detailed description of the invention
Fig. 1 is schematic structural view of the invention.
In figure: clear before 1 feeding platform, 2 discharging storing stands and transmission device, 3 feeding storing stands and transmission device, 4 two stations
Washing machine, 5 push-down heating furnaces, 6 annulars turn bottom carburizer, 7 annulars turn bottom diffusion furnace, 8 push-downs quenching cooling furnace, 9 push-downs
Pre-oxidation furnace, 10 lifting platforms, 11 discharging transition bench, 12 air-cooled, 13 push-down low-temp temper furnaces, 14 double-station oil-quenching tanks and
Cleaning machine after lifting device, 15 3 stations.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Referring to Fig. 1, the present invention provides a kind of technical solution: a kind of annular turns bottom flexibility heat-treatment production line, including upper
Expect platform 1,1 upper and lower ends of feeding platform are symmetrically arranged with feeding storing stand and transmission device 3 and discharging storing stand and transmission device
2, the feeding storing stand and transmission device 3 are uniformly provided with feeding storing stand by mounting bracket, and on each feeding storing stand
It is equipped with charging tray detection device, is equipped with cleaning machine 4 before two stations, two work at the top of the feeding storing stand and transmission device 3
Cleaning machine 4 includes that buck embathes cleaning device and heat water-spraying's cleaning device, and buck embathes cleaning device and hot water spray before position
Cleaning device is drenched in being symmetrically arranged up and down, and 4 bottom of cleaning machine is connected with push-down pre-oxidation furnace 9 before two station, described to push away
9 right side of rod-type pre-oxidation furnace is connected with push-down heating furnace 5 by pushing away chain mechanism, and 5 bottom of push-down heating furnace is equipped with bottom
Feed space, and bottom feed space is the oven chamber structure of sealing, 9 right side of push-down pre-oxidation furnace pushes away chain mechanism and setting the bottom of at
Bottom charging lifting platform inside feed space is connected, and delivery pipe, the push-down heating are equipped at the top of the push-down heating furnace 5
It chain mechanism is pushed away by side high temperature on the right side of furnace 5 is connected with annular and turn bottom carburizer 6, the annular turns to install on bottom carburizer 6 with teeth
Turbin generator, and gear motor bottom power output end is meshed with the gear on the left of turntable, the annular turns the right side of bottom carburizer 6
Side is connected with the left side that annular turns bottom diffusion furnace 7, and the annular turns to be connected with push rod by discharging mechanism on the right side of bottom diffusion furnace 7
Formula quenching cooling furnace 8, the push-down quenching cooling 8 bottom right side discharge port of furnace are connected with double-station quenching by pushing away chain mechanism
The bottom of oil groove and lifting device 14, the double-station oil-quenching tank and lifting device 14 is equipped with cleaning machine 15 after three stations, institute
The left side for stating cleaning machine 15 after three stations pushes and pulls chain mechanism by pawl type and is connected with push-down low-temp temper furnace 13, the push rod
13 left side discharge port of formula low-temp temper furnace is connected with air-cooled 12 by zipper, is symmetrically equipped on described air-cooled 12
Two groups of air-coolers, air-cooled 12 left side are connected with discharging transition bench 11, are equipped with lifting on the left of the discharging transition bench 11
Platform 10.
The present invention also provides a kind of methods that annular turns bottom flexibility heat-treatment production line, specifically includes the following steps:
S1: it feeding and stock: by operator by workpiece to be processed, is packed into empty tray by charging requirement, passes through vehicle
Between charging tray transfer device the charging tray for installing workpiece is put on the feeding platform 1 on production line, and by two-way transfer trolley will
The charging tray for installing workpiece is taken out and is transferred in feeding storing stand and transmission device 3, and is sent to before two stations at cleaning machine 4；
S2: preceding cleaning: before charging tray is transferred to two stations from feeding storing stand and transmission device 3 by two-way transfer trolley
In cleaning machine 4, embathing cleaning and heat water-spraying's cleaning using buck will clean before workpiece to be processed；
S3: it pre-oxidation: is set inside push-down pre-oxidation furnace 9 there are five charging tray position, the workpiece to be processed after preceding cleaning is passed
It send into push-down pre-oxidation furnace 9, the heating of the area Bing Fenliang and control, use temperature range are 350-550 DEG C；
S4: heating: the workpiece for completing pre-oxidation is transferred on bottom charging lifting platform by pushing away chain mechanism, and bottom feeds lifting platform band
Charging tray and workpiece rise to the orbit altitude of push-down heating furnace 5, charging tray is transferred to push rod by the electric pushrod of air-exchanging chamber
In formula heating furnace 5, workpiece heat treatment is carried out；
S5: carburizing: after the completion of heating, workpiece, which by side high temperature pushes away chain mechanism charging tray is transferred to annular, to be turned in bottom carburizer 6,
By the way that different carburizing times is arranged, to complete the carburizing requirement of the different layer depths under identical furnace gas, independent annular turns bottom
6 carburizing of carburizer is set as a temperature controlling value and a carbon-potential control value is controlled, while turning bottom carburizer 6 in annular
3 temperature detections are provided in burner hearth and 2 carbon potential test points, these test points monitor each other, when any one test point is super
When crossing defined deviation, system will issue sound-light alarm, when main Control point is overproof, will automatically switch to not overproof auxiliary control and examine
On measuring point；
S6: diffusion: after reaching the carburization process time of workpiece setting, charging tray tracking system can issue instruction and by signal
It feeds back to annular to turn in the discharging mechanism of bottom carburizer 6, charging tray is transferred to annular and is turned in bottom diffusion furnace 7, carry out workpiece diffusion
Process；
S7: cooling and quenching: after reaching the diffusion technique time of workpiece setting, charging tray tracking system can issue instruction simultaneously
Signal is fed back into the discharging mechanism that annular turns bottom diffusion furnace 7, charging tray is transferred to push-down quenching cooling furnace 8 by discharging mechanism
In, the stepping of charging tray is completed by electric pushrod in push-down quenching cooling furnace 8, and controls its movement by rear limit detection bar
Distance, and by signal feed back to push-down quenching cooling furnace 8 side high temperature push away chain mechanism, chain mechanism is pushed away for workpiece by side high temperature
It is transferred to quenching and preserving heat room, workpiece is pushed on double-station oil-quenching tank and lifting device 14 by the chain mechanism that pushes away of quenching and preserving heat room,
To complete the type of cooling of oil quenching；
S8: rear cleaning: cleaning machine 15 is cleaned after the workpiece transfer to three stations after the completion of quenching, and successively passes through three
The caustic dip of cleaning machine 15, clear water cleaning and drying course after station, workpiece is in each indoor stop a cycle
Time, the pawl type that the equidistant movement of charging tray is driven by chain push and pull chain mechanism to complete；
S9: tempering: chain mechanism is pushed and pulled by pawl type again after the completion of cleaning, charging tray is pushed into push-down low-temp temper furnace
In 13, push-down low-temp temper furnace 13 is equipped with two, can be divided into different temperature and is tempered, every push-down low-temp temper furnace
13 be single row configuration, is equipped with 10 charging tray positions in every push-down low-temp temper furnace 13, is divided into the heating of 3rd area and control；
S10: air-cooled: workpiece discharging is pulled out by zipper after completing tempering process, and is placed on air-cooled roller-way, air-cooled
Roller-way is divided into 10 3 air-cooled 12, discharging transition bench 11 and lifting platform structures, utilizes two groups of air-coolers pair on air-cooled 12
Workpiece carries out air-cooled；
S11: discharging and storing: by two-way transfer trolley by the one disk workpiece transfer of end on lifting platform 10 after the completion of air-cooled
Implement draw operation, the control system of whole production lines to discharging storing stand and transmission device 2, and through two-way transfer trolley
Three parts are divided to form, i.e. execute-in-place cabinet, program control system and dispatch from foreign news agency path control system, execute-in-place cabinet is equipped with visible human
Machine operates conversational system, and operator is related to setting by all information of visualization human-machine operation conversational system understanding equipment
Technological parameter, program control system completes the automatically and manually operation function of whole production lines.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (4)
1. a kind of annular turns bottom flexibility heat-treatment production line, including feeding platform (1), it is characterised in that: the feeding platform (1) is up and down
Both ends are symmetrically arranged with feeding storing stand and transmission device (3) and discharging storing stand and transmission device (2), the feeding storing stand and
Transmission device (3) top is equipped with cleaning machine (4) before two stations, and it is pre- to be connected with push-down for cleaning machine (4) bottom before two station
Oxidation furnace (9), push-down pre-oxidation furnace (9) right side are connected with push-down heating furnace (5), the push rod by pushing away chain mechanism
It chain mechanism is pushed away by side high temperature on the right side of formula heating furnace (5) is connected with annular and turn bottom carburizer (6), the annular turns bottom carburizer
(6) right side turns to be connected on the left of bottom diffusion furnace (7) with annular, and the annular turns to pass through discharging machine on the right side of bottom diffusion furnace (7)
Structure is connected with push-down quenching cooling furnace (8), and described push-down quenching cooling furnace (8) bottom right side discharge port is by pushing away chain mechanism
It is connected with double-station oil-quenching tank and lifting device (14), the bottom of the double-station oil-quenching tank and lifting device (14) is equipped with
Cleaning machine (15) after three stations, the left side of cleaning machine (15) pushes and pulls chain mechanism by pawl type and is connected with push rod after three station
Formula low-temp temper furnace (13), push-down low-temp temper furnace (13) left side discharge port are connected with air-cooled by zipper
(12), it is connected with discharging transition bench (11) on the left of described air-cooled (12), lifting is installed on the left of the discharging transition bench (11)
Platform (10), the feeding storing stand and transmission device (3) are uniformly provided with feeding storing stand by mounting bracket, and each feeding stores up
It is equipped with charging tray detection device on material platform, cleaning machine (4) includes that buck embathes cleaning device and heat water-spraying before two station
Cleaning device, and buck embathes cleaning device and heat water-spraying's cleaning device in symmetric arrays up and down, the push-down heating furnace
(5) bottom is equipped with bottom feed space, and bottom feed space is the oven chamber structure of sealing, pushing away on the right side of the push-down pre-oxidation furnace (9)
Chain mechanism is connected with the bottom charging lifting platform being arranged in inside the feed space of bottom, the row of being equipped at the top of the push-down heating furnace (5)
Put pipe；The annular turns to be equipped with gear motor on bottom carburizer (6), and on the left of gear motor bottom power output end and turntable
Gear be meshed；Two groups of air-coolers are symmetrically equipped on air-cooled (12).
2. a kind of method for turning bottom flexibility heat-treatment production line using annular as described in claim 1, it is characterised in that: specific
The following steps are included:
S1: it feeding and stock: by operator by workpiece to be processed, is packed into empty tray by charging requirement, passes through workshop
On the feeding platform (1) that the charging tray for installing workpiece is put on production line by charging tray transfer device, and it will be filled by two-way transfer trolley
The charging tray of good workpiece is taken out and is transferred in feeding storing stand and transmission device (3), and is sent to cleaning machine (4) before two stations
Place；
S2: preceding cleaning: by two-way transfer trolley by charging tray from feeding storing stand and transmission device (3) be transferred to two stations before it is clear
In washing machine (4), embathing cleaning and heat water-spraying's cleaning using buck will clean before workpiece to be processed；
S3: it pre-oxidation: is set inside push-down pre-oxidation furnace (9) there are five charging tray position, the workpiece to be processed after preceding cleaning is transmitted
Into push-down pre-oxidation furnace (9), the heating of the area Bing Fenliang and control, use temperature range are 350-550 DEG C；
S4: heating: the workpiece for completing pre-oxidation is transferred on bottom charging lifting platform by pushing away chain mechanism, and bottom feeds lifting platform with material
Disk and workpiece rise to the orbit altitude of push-down heating furnace (5), and charging tray is transferred to push-down by the electric pushrod of air-exchanging chamber
In heating furnace (5), workpiece heat treatment is carried out；
S5: carburizing: after the completion of heating, workpiece, which by side high temperature pushes away chain mechanism charging tray is transferred to annular, to be turned in bottom carburizer (6), is led to
It crosses and different carburizing times is set, to complete the carburizing requirement of the different layer depths under identical furnace gas；
S6: diffusion: after reaching the carburization process time of workpiece setting, charging tray tracking system, which can issue, to be instructed and feeds back signal
In the discharging mechanism for turning bottom carburizer (6) to annular, charging tray is transferred to annular and is turned in bottom diffusion furnace (7), workpiece diffusion is carried out
Process；
S7: cooling and quenching: after reaching the diffusion technique time of workpiece setting, charging tray tracking system can issue instruction and will letter
Number the discharging mechanism that annular turns bottom diffusion furnace (7) is fed back to, charging tray is transferred to push-down quenching cooling furnace (8) by discharging mechanism
In, the stepping of charging tray is completed by electric pushrod in push-down quenching cooling furnace (8), and controls its fortune by rear limit detection bar
Dynamic distance, and the side high temperature that signal feeds back to push-down quenching cooling furnace (8) is pushed away into chain mechanism, pushing away chain mechanism by side high temperature will
Workpiece is pushed into double-station oil-quenching tank and lifting device by workpiece transfer to quenching and preserving heat room, the chain mechanism that pushes away of quenching and preserving heat room
(14) on, to complete the type of cooling of oil quenching；
S8: rear cleaning: cleaning machine (15) is cleaned after the workpiece transfer to three stations after the completion of quenching, and successively passes through three works
The caustic dip of cleaning machine (15), clear water cleaning and drying course behind position, workpiece is in each indoor stop a cycle
Time, the pawl type that the equidistant movement of charging tray is driven by chain push and pull chain mechanism to complete；
S9: tempering: chain mechanism is pushed and pulled by pawl type again after the completion of cleaning, charging tray is pushed into push-down low-temp temper furnace (13)
Interior, push-down low-temp temper furnace (13) is equipped with two, can be divided into different temperature and is tempered, every push-down low-temp temper furnace
(13) it is single row configuration, is equipped with 10 charging tray positions in every push-down low-temp temper furnace (13), is divided into the heating of 3rd area and control；
S10: air-cooled: workpiece discharging is pulled out by zipper after completing tempering process, and is placed on air-cooled roller-way, air-cooled roller-way
It is divided into (10) three air-cooled (12), discharging transition bench (11) and lifting platform structures, utilizes two groups of cold wind on air-cooled (12)
Machine carries out workpiece air-cooled；
S11: discharging and storing: it is air-cooled after the completion of by two-way transfer trolley by the one disk workpiece transfer of end on lifting platform (10) extremely
On discharging storing stand and transmission device (2), and draw operation is implemented by two-way transfer trolley.
3. the method that annular according to claim 2 turns bottom flexibility heat-treatment production line, it is characterised in that: the step S5
In, independent annular turns that bottom carburizer (6) carburizing is set as a temperature controlling value and a carbon-potential control value is controlled, simultaneously
3 temperature detections are provided in the burner hearth that annular turns bottom carburizer (6) and 2 carbon potential test points, these test points are supervised each other
Control, when any one test point is more than defined deviation, system will issue sound-light alarm, will be certainly when main Control point is overproof
It is dynamic to be switched on not overproof auxiliary control test point.
4. the method that annular according to claim 2 turns bottom flexibility heat-treatment production line, it is characterised in that: whole production lines
Points three part of control system form, i.e. execute-in-place cabinet, program control system and dispatch from foreign news agency path control system, execute-in-place cabinet dress
There is visualization human-machine operation conversational system, operator understands all information of equipment by visualization human-machine operation conversational system
The relevant technological parameter with setting, program control system complete the automatically and manually operation function of whole production lines.
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| CN106967869B (en) * | 2017-04-25 | 2018-10-12 | 王宇 | A kind of induction heat treatment flexible machining centre and its processing method |
| CN109055944A (en) * | 2018-10-12 | 2018-12-21 | 郑州华威齿轮有限公司 | Bevel gear is heat-treated double continuous carbonization, pressure is quenched production line and its production technology |
| CN113512640B (en) * | 2021-07-12 | 2022-02-25 | 浙江五洲新春集团股份有限公司 | Heat treatment production line of bearing part |
| CN113736960B (en) * | 2021-09-01 | 2022-11-15 | 江西樟树市福铃内燃机配件有限公司 | Heat treatment equipment for castings |
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| CN88101735A (en) * | 1987-04-03 | 1988-10-19 | 霍尔克罗特/洛夫图斯公司 | Rotary hearth, multi-chamber, multi-purpose furnace system |
| CN104313259A (en) * | 2014-11-22 | 2015-01-28 | 唐山亚捷机械有限公司 | Martensite and bainite isothermal salt bath quenching production line for high chrome bearing steel part |
| CN206109547U (en) * | 2016-08-30 | 2017-04-19 | 赫菲斯热处理系统江苏有限公司 | Flexible heat treatment line in end is changeed to annular |
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| CN102776470B (en) * | 2012-07-09 | 2015-10-21 | 陈曦 | For method and the equipment used thereof of the Surface thermo-chemical treatment of mechanical component |
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| CN88101735A (en) * | 1987-04-03 | 1988-10-19 | 霍尔克罗特/洛夫图斯公司 | Rotary hearth, multi-chamber, multi-purpose furnace system |
| CN104313259A (en) * | 2014-11-22 | 2015-01-28 | 唐山亚捷机械有限公司 | Martensite and bainite isothermal salt bath quenching production line for high chrome bearing steel part |
| CN206109547U (en) * | 2016-08-30 | 2017-04-19 | 赫菲斯热处理系统江苏有限公司 | Flexible heat treatment line in end is changeed to annular |
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