CN209162127U - Controlled atmosphere multilayer charging rotary hearth furnace with lift material charging and discharging device - Google Patents
Controlled atmosphere multilayer charging rotary hearth furnace with lift material charging and discharging device Download PDFInfo
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- CN209162127U CN209162127U CN201821719364.5U CN201821719364U CN209162127U CN 209162127 U CN209162127 U CN 209162127U CN 201821719364 U CN201821719364 U CN 201821719364U CN 209162127 U CN209162127 U CN 209162127U
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Abstract
The controlled atmosphere multilayer that the utility model discloses a kind of with lift material charging and discharging device charges rotary hearth furnace, coats furnace lining in furnace shell；Atmosphere circulating fan, air supply system, atmosphere control device be installed in furnace shell top and with communicated inside furnace shell；Furnace shell two sides setting sealing fire door and maintenance door；Furnace shell lower part is fixed on grate and offers opening；It is equipped on grate and turns bottom driving；Rotary furnace bottom is movably installed in furnace shell lower inside, and upper part successively installs the work support of drop-bottom and two layers or more；Revolution furnace hearth level rotation can be driven by opening by turning bottom driving；Heating component is set in furnace shell；Lift material charging and discharging device is installed on the furnace shell of Sealing furnace outer side of door, can be packed into or take out workpiece from two layers or more work support；The technical program can effectively lifting workpieces heat treatment efficiency, it is ensured that workpiece quality, and can reduce dress feeding operation difficulty and avoid high temperature workpiece to personal injury caused by operator.
Description
Technical field
The utility model relates to a kind of workpiece heating furnaces, more particularly, to a kind of with the controllable of lift material charging and discharging device
Atmosphere multilayer charging rotary hearth furnace.
Background technique
Currently, heating rotary hearth furnace used in bearing ring class die quenching workpiece is one layer of fabric type design, it is such
Cloth design method there is a problem of heated work pieces to be added charging, and limited, production efficiency is low.In order to increase production capacity, it will usually increase furnace
Type specification expands burner hearth bottom area, also increases the area of equipment land occupation therewith, therefore economy is lower.In addition, application turns
When the stove heating workpiece of bottom, for filling the operation of feeding usually by being accomplished manually, not only operating time disunity, the feeding time can not
It is strict with, causes the workpiece being heated that may cool down before quenching obvious, influence the quality of workpiece, and high temperature workpiece pair
There is also potentially hazardous for the personal safety of operator；Furthermore for large-scale rotary hearth furnace, seal the usual position of fire door compared with
Height, operator need to operate by facilities such as stations, and not only operation occupied area is larger, and operation difficulty also increases therewith
Add.Therefore, the efficiency of rotary hearth furnace heat treated part how is effectively promoted, guarantees workpiece quality, and avoid high temperature workpiece to operation
The potential personal injury of personnel, it has also become this field major issue urgently to be solved.
Utility model content
The technical problem to be solved is that make heating rotary hearth furnace not increase more equipment occupation space for the technical program
Under the premise of effective improving production efficiency, improve work pieces process quantity；And raised furnace height is cooperated to realize workpiece dress feeding
Mechanized operation, reduce workpiece dress feeding operation difficulty, it is ensured that dress the feeding operating time it is unified and standard, to guarantee workpiece
Quality, and avoid the personal injury caused by operator of high temperature workpiece.
In order to solve the above-mentioned technical problem, the technical program provides a kind of controllable gas with lift material charging and discharging device
Atmosphere multilayer charging rotary hearth furnace, is set up in above grate, and there is the controlled atmosphere multilayer of lift material charging and discharging device to charge for this
Rotary hearth furnace includes: furnace shell, furnace lining, atmosphere circulating fan, air supply system, atmosphere control device, sealing fire door, maintenance door, turns bottom
Driving, rotary furnace bottom, drop-bottom, work support, heating component；Wherein, furnace lining is coated in furnace shell；Atmosphere circulating fan, gas supply
System, atmosphere control device be installed in furnace shell top and with communicated inside furnace shell；The two sides setting sealing fire door of furnace shell and maintenance
Door；Furnace shell lower part is mounted on grate and furnace shell lower part offers opening, is equipped on grate and is turned bottom driving, rotary furnace
Bottom is movably installed in furnace shell lower inside, and drop-bottom is installed on rotary furnace bottom top, and work support is set on drop-bottom,
Turn bottom and be driven through opening to engage with rotary furnace bottom and rotary furnace bottom can be driven to rotate horizontally in furnace shell；Heating component setting
In in furnace shell.In the technical program, work support is two layers or more, is installed with lift on the furnace shell of Sealing furnace outer side of door and takes on
Expect that device, the lift material charging and discharging device include elevating mechanism, translation mechanism, workpiece material fork, wherein elevating mechanism is and sealing
Furnace shell on the outside of fire door is connected and fixed, and translation mechanism is installed on elevating mechanism, and workpiece material fork is installed on translation mechanism, workpiece
Material fork can by elevating mechanism, translation mechanism driving and workpiece is packed on two layers or more work support or from two layers or more
Workpiece is taken out on work support.
The technical program is also possible that elevating mechanism includes chassis, lifting driving motor, drive shaft, two screw rod liftings
Device, dress discharge rack, chassis are connected and fixed on the furnace shell of Sealing furnace outer side of door, and two screw risers are respectively arranged on chassis
Close to the side of sealing fire door and the side far from sealing fire door, lifting driving motor are installed on any one adjacent spiral shell on chassis
The position of bar lifter is simultaneously drivingly connected with adjacent screw riser, is driven and is connected by drive shaft between two screw risers
It connects, the external thread part of two lifting screws of two screw risers and two screw holes of dress discharge rack two sides.Pass through
Lifting driving motor drives two screw risers that can make to fill the operation that discharge rack smoothly executes up and down.
The technical program is also possible that the horizontal at least one set of translation track of installing and one and translation rail on dress discharge rack
The parallel rack gear in road, translation mechanism include translation carrier, pan drive motor, at least two groups sliding bearing, pan drive motor
It is installed on translation carrier and the driving wheel and rack of pan drive motor is mutually ratcheting, at least two groups sliding bearing is installed on
It translates the two sides of carrier and is matched at least one set of translation track, workpiece material fork is installed on translation upper carrier.Pass through translation
The driving of driving motor and the cooperation of translation track and sliding bearing can make to translate the smoothly execution of carrier drive workpiece material fork
The operation of left and right translation.
The technical program can also be, wherein lifting driving motor, pan drive motor are variable frequency reducer motor, with
Ensure lift material charging and discharging device even running.
The technical program is also possible that two layers or more work support is installed on drop-bottom for fixed or on-fixed is stacked.
The technical program expands and turns by increasing the height in burner hearth under the premise of not increasing rotary hearth furnace occupied area
The heating space of heat treatment of workpieces in the furnace of bottom, and by two layers of setting or more work support make that phase can be heat-treated in burner hearth simultaneously
The workpiece of than one layer cloth at double, therefore heat treatment of workpieces quantity is substantially increased, effectively improve production efficiency；Meanwhile matching
Raised furnace height is closed, by installing lift material charging and discharging device, it can be ensured that the dress feeding operating time is unified and standard, effectively anti-
Cooling of the workpiece before hardening step after only heating, ensure that the unification of the quality and quality of workpiece, and reduce dress and take
Expect the difficulty of operation, and can avoid the personal injury caused by operator of high temperature workpiece.
Detailed description of the invention
Fig. 1 is the side, sectional for the controlled atmosphere multilayer charging rotary hearth furnace that the utility model has lift material charging and discharging device
Figure.
Fig. 2 is the schematic diagram of the lift material charging and discharging device in the utility model.
Symbol description in attached drawing:
1 furnace shell；2 furnace linings；3 atmosphere circulating fans；4 air supply systems；5 sealing fire doors；6 maintenance doors；7 grates；8
Turn bottom driving；9 rotary furnace bottoms；10 drop-bottoms；11 work supports；12 heating components；13 temperature control devices；14 carbon controls dress
It sets；15 workpiece material fork；16 workpiece；17 lift material charging and discharging devices；18 chassis；19 lifting driving motors；20 drive shafts；
21,22 screw riser；23 dress discharge racks；24 translation tracks；25 rack gears；26 translation carriers；27 pan drive motors；
28 sliding bearings.
Specific embodiment
Detailed description and technology contents in relation to the utility model, cooperation schema is described as follows, however institute's accompanying drawings only mention
For reference with illustrate to use, not be used to the utility model is limited.
As shown in Figure 1, the utility model provides a kind of controlled atmosphere multilayer charging with lift material charging and discharging device
Rotary hearth furnace is to be set up in 7 top of grate, this has the controlled atmosphere multilayer charging rotary hearth furnace packet of lift material charging and discharging device
Include: furnace shell 1, atmosphere circulating fan 3, air supply system 4, atmosphere control device, sealing fire door 5, maintenance door 6, turns bottom drive at furnace lining 2
Dynamic 8, rotary furnace bottom 9, drop-bottom 10, work support 11, heating component 12；Wherein, furnace lining 2 is coated in furnace shell 1；Atmosphere circulated air
Fan 3, air supply system 4, atmosphere control device be installed in 1 top of furnace shell and with communicated inside furnace shell 1, which includes
There are temperature control device 13 and carbon control device 14；The two sides of furnace shell 1 are provided with sealing fire door 5 and maintenance door 6, and maintenance door 6 is to turn
It carries out maintenance to burner hearth inner part when bottom furnace is stopped work to be used, sealing fire door 5 is to be packed into work support 11 for workpiece 16 or from work
It takes out workpiece 16 on part bracket 11 to be used, work support 11 may include bracket, pallet or the workpiece that need to be heated；Sealing fire door 5 can
It is made of decelerating motor (figure does not indicate), pivoted arm (figure does not indicate) and thermal insulating door thermally insulated door (figure does not indicate), by subtracting when sealing fire door 5 works
Speed motor drives pivoted arm that thermal insulating door thermally insulated door is driven to open, close, and sealing fire door 5 can be oppositely arranged with maintenance door 6, can also be with non-opposite
Setting, the utility model are without restriction for the structure of sealing fire door 5 and with the relative position of maintenance door 6；1 lower part of furnace shell
It is mounted on grate 7 and 1 lower part of furnace shell offers opening (figure does not indicate), be equipped on grate 7 and turn bottom driving 8, returned
Converter bottom 9 is movably installed in 1 lower inside of furnace shell, and drop-bottom 10 is installed on 9 top of rotary furnace bottom, and work support 11 is arranged
In on drop-bottom 10, wherein work support 11 is two layers of arrangement above, and two layers or more work support 11 is that fixed or on-fixed is folded
It sets and is installed on drop-bottom 10；Turn bottom driving 8 and engages and can drive with rotary furnace bottom 9 by opening by the gear width kind of drive
Dynamic rotary furnace bottom 9 rotates horizontally in furnace shell 1, this, which turns bottom driving 8, to be the power outputs such as decelerating motor, variable frequency reducer motor
Source, rotary furnace bottom 9 is designed in the present invention for disc type, in order to rotate around central horizontal；Heating component 12 is arranged
In in furnace shell 1, the heating component 12 is heating radiation pipe assembly in the utility model, but can also be in requisition for the other heating of selection
Source；As shown in Fig. 2, being installed with lift material charging and discharging device 17 on the furnace shell 1 in 5 outside of sealing fire door, which takes on material dress
Setting 17 includes elevating mechanism, translation mechanism, workpiece material fork 15, wherein elevating mechanism is connected with the furnace shell 1 in 5 outside of sealing fire door
Fixation is connect, translation mechanism is installed on elevating mechanism, and workpiece material fork 15 is installed on translation mechanism, and workpiece material fork 15 can be risen
Descending mechanism, translation mechanism driving and workpiece 16 is packed on two layers or more work support 11 or from two layers or more work support
Workpiece 16 is taken out on 11.In order to reinforce lift material charging and discharging device 17 and the affixed stability of furnace shell 1, material dress is taken in lift
Support column can be also equipped with by setting 17 lower sections.
As shown in Fig. 2, elevating mechanism includes chassis 18, lifting driving motor 19, drive shaft 20, two in the utility model
A screw riser 21,22 and dress discharge rack 23, chassis 18 are connected and fixed on the furnace shell 1 in 5 outside of sealing fire door, two screw rods
Lifter 21,22, which is respectively arranged on chassis 18, to be driven close to the side of sealing fire door 5 with the side far from sealing fire door 5, lifting
Dynamic motor 19 is installed on the position of any one adjacent screw riser on chassis 18 and connects with adjacent screw riser driving
It connects, is drivingly connected between two screw risers 21,22 by drive shaft 20, two liftings of two screw risers 21,22
The external thread part of screw rod (figure does not indicate) and two screw holes of dress 23 two sides of discharge rack；Fill horizontal installing on discharge rack 23
At least one set of translation track 24 and a rack gear 25 parallel with translation track 24, translation mechanism include translation carrier 26, put down
Driving motor 27, at least two groups sliding bearing 28 are moved, pan drive motor 27 is installed on translation carrier 26 and driven in translation
The driving gear (figure does not indicate) of motor 27 is mutually ratcheting with rack gear 25, and at least two groups sliding bearing 28 is installed on translation carrier 26
Two sides are simultaneously matched at least one set of translation track 24, and workpiece material fork 15 is installed on translation 26 top of carrier.It is driven by lifting
Motor 19 drives two screw risers 21,22, can make to fill the operation that discharge rack 23 smoothly executes up and down；By flat
The driving of driving motor 27 and the cooperation of translation track 24 and sliding bearing 28 are moved, can make to translate the drive workpiece material fork of carrier 26
15 smoothly execute the operation of left and right translation, wherein lifting driving motor 19, pan drive motor 27 can be frequency conversion speed-down
Motor, to ensure 17 even running of lift material charging and discharging device.
In the utility model, workpiece material fork 15 includes fixed part, connecting plate and material fork, and wherein fixed part can be at least one
Cylinder, frame body, plate-like rectangular body etc., a part of fixed part are fixed on translation 26 top of carrier, another part of fixed part to
It seals 5 direction of fire door and extends a distance；Material fork can be metal plate or be welded by laths of metal that material fork is fixed in fixed part
Towards the end of sealing fire door 5, fixed connection mode can be to be spirally connected, weld；Connecting plate can be rectangular-shaped, triangular shape etc., and connect
It is fixed between fixed part end and material fork, connecting plate is two pieces and is fixed on the two sides of material fork in the utility model.
The controlled atmosphere multilayer with lift material charging and discharging device of the utility model charges rotary hearth furnace at runtime, first
The workpiece 16 of heat treatment to be added is packed into one by one by lift material charging and discharging device 17 on two layers or more work support 11 or need to
The workpiece 16 of heating successively stacks, while turning horizontal rotation after driving 8 driving rotary furnace bottom 9 in bottom charges to a perpendicular column workpiece 16
Turn an angle to continue to carry out loading operation by lift material charging and discharging device 17 to another piece installing station, after charging to workpiece 16
It seals fire door 5 to close, controlled atmosphere multilayer charging rotary hearth furnace carries out heat treatment of workpieces；After heat treatment of workpieces, Sealing furnace
Door 5 is opened, and taking out the workpiece 16(being heated one by one by lift material charging and discharging device 17 at this time can also be by sealing fire door 5 and lifting
Formula material charging and discharging device 17 matches, and workpiece 16 is inserted sealing fire door 5 when taking and opened, and sealing fire door 5 is closed when taking out workpiece 16, practical
Operation according to practical operation need depending on, the utility model not to this restriction), and by subsequent processing device to workpiece 16 carry out after
Continuous working process.The controlled atmosphere multilayer charging rotary hearth furnace with lift material charging and discharging device of the utility model can be by manually controlling
Lift material charging and discharging device processed turns bottom driving, sealing fire door and takes and turn bottom to operate with the layer-by-layer dress for realizing workpiece, in addition, can also
Automatic operation is realized by installation controller, various kinds of sensors etc..
The controlled atmosphere multilayer charging rotary hearth furnace with lift material charging and discharging device of the utility model passes through two layers of setting
The above work support makes that the workpiece of compared to one layer cloth at double can be heat-treated in burner hearth simultaneously, effectively improves production efficiency；
Meanwhile cooperating raised furnace height, by installing lift material charging and discharging device, it can be ensured that dress feeding operating time specification system
One, cooling of the workpiece before hardening step after effectivelying prevent heating ensure that the unification of the quality and quality of workpiece, and drop
The difficulty of low dress feeding operation, and can avoid the personal injury caused by operator of high temperature workpiece.
The above is only the preferred embodiment of the utility model, the scope of the patents being not intended to limit the utility model, other
The equivalence changes done with the inventional idea of the utility model should belong to the scope of patent protection of the utility model.
Claims (5)
- The rotary hearth furnace 1. a kind of controlled atmosphere multilayer with lift material charging and discharging device charges, is set up in above grate, comprising: furnace Shell, furnace lining, atmosphere circulating fan, air supply system, atmosphere control device, sealing fire door, maintenance door, turn bottom driving, rotary furnace bottom, Drop-bottom, work support, heating component；The cladding furnace lining in the furnace shell；The atmosphere circulating fan, air supply system, gas Atmosphere control device be installed in the furnace shell top and with communicated inside the furnace shell；The Sealing furnace is arranged in the two sides of the furnace shell Door and the maintenance door；The furnace shell lower part is mounted on the grate and the furnace shell lower part offers opening, institute It states and turns bottom driving described in being equipped on grate, the rotary furnace bottom is movably installed in the furnace shell lower inside, the furnace Bottom plate is installed on rotary furnace bottom top, and the work support is set on the drop-bottom, and the bottom that turns is driven through institute Opening is stated to engage with the rotary furnace bottom and the rotary furnace bottom can be driven to rotate horizontally in the furnace shell；The heating group Part is set in the furnace shell；It is characterized in that, the work support is two layers or more；On the furnace shell of the Sealing furnace outer side of door It is installed with lift material charging and discharging device, the lift material charging and discharging device includes elevating mechanism, translation mechanism, workpiece material fork；Institute The furnace shell for stating elevating mechanism and the Sealing furnace outer side of door is connected and fixed, and the translation mechanism is installed on the elevating mechanism, The workpiece material fork is installed on the translation mechanism, and the workpiece material fork can be driven by the elevating mechanism, translation mechanism And workpiece is packed on two layers or more work support or from two layers or more work support and takes out workpiece.
- The rotary hearth furnace 2. the controlled atmosphere multilayer according to claim 1 with lift material charging and discharging device charges, feature It is, the elevating mechanism includes chassis, lifting driving motor, drive shaft, two screw risers, dress discharge rack, the bottom Frame is connected and fixed on the furnace shell of the Sealing furnace outer side of door, and described two screw risers are respectively arranged on the chassis and lean on The side of the side of the nearly sealing fire door and the separate sealing fire door, the lifting driving motor are installed on the chassis The position of any one adjacent screw riser is simultaneously drivingly connected with the adjacent screw riser, described two screw rod liftings Be drivingly connected between device by the drive shaft, the external thread part of two lifting screws of described two screw risers with it is described Fill two screw holes of discharge rack two sides.
- The rotary hearth furnace 3. the controlled atmosphere multilayer according to claim 2 with lift material charging and discharging device charges, feature It is, it is horizontal on the dress discharge rack to install at least one set of translation track and a rack gear parallel with the translation track, The translation mechanism includes translation carrier, pan drive motor, at least two groups sliding bearing, and the pan drive motor is installed on On the translation carrier and the driving gear of the pan drive motor and the rack gear are mutually ratcheting, at least two groups sliding Bearing is installed on the two sides of the translation carrier and matches at least one set of translation track, and the workpiece material fork is installed on The translation upper carrier.
- The rotary hearth furnace 4. the controlled atmosphere multilayer according to claim 3 with lift material charging and discharging device charges, feature It is, the lifting driving motor, pan drive motor are variable frequency reducer motor.
- The rotary hearth furnace 5. the controlled atmosphere multilayer according to claim 1 with lift material charging and discharging device charges, feature It is, described two layers or more work support, which is that fixed or on-fixed is stacked, to be installed on the drop-bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821719364.5U CN209162127U (en) | 2018-10-23 | 2018-10-23 | Controlled atmosphere multilayer charging rotary hearth furnace with lift material charging and discharging device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821719364.5U CN209162127U (en) | 2018-10-23 | 2018-10-23 | Controlled atmosphere multilayer charging rotary hearth furnace with lift material charging and discharging device |
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| CN209162127U true CN209162127U (en) | 2019-07-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201821719364.5U Active CN209162127U (en) | 2018-10-23 | 2018-10-23 | Controlled atmosphere multilayer charging rotary hearth furnace with lift material charging and discharging device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117568562A (en) * | 2023-11-22 | 2024-02-20 | 江苏保捷锻压有限公司 | Heat treatment device for precision bearing |
-
2018
- 2018-10-23 CN CN201821719364.5U patent/CN209162127U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117568562A (en) * | 2023-11-22 | 2024-02-20 | 江苏保捷锻压有限公司 | Heat treatment device for precision bearing |
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