CN106381372A - Device applied to quenching induction equipment and used for preventing surface of hoisting chain from being oxidized - Google Patents
Device applied to quenching induction equipment and used for preventing surface of hoisting chain from being oxidized Download PDFInfo
- Publication number
- CN106381372A CN106381372A CN201611001245.1A CN201611001245A CN106381372A CN 106381372 A CN106381372 A CN 106381372A CN 201611001245 A CN201611001245 A CN 201611001245A CN 106381372 A CN106381372 A CN 106381372A
- Authority
- CN
- China
- Prior art keywords
- nitrogen
- quenching
- hoisting chain
- cover body
- mist
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/62—Quenching devices
- C21D1/667—Quenching devices for spray quenching
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/74—Methods of treatment in inert gas, controlled atmosphere, vacuum or pulverulent material
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/0087—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for chains, for chain links
Abstract
The invention discloses a device applied to quenching induction equipment and used for preventing the surface of a hoisting chain from being oxidized and belongs to the technical field of quenching induction equipment accessories. The device comprises a pressure sprayer and a mist absorbing cover body provided with a central through hole. A quenching induction coil is axially arranged in a heat-preservation vertical pipe, and a nitrogen distributor provided with a central hole is arranged at the bottom of the heat-preservation vertical pipe. A nitrogen cavity of the nitrogen distributor is filled with nitrogen, and the top wall of the nitrogen distributor corresponds to an outlet of the quenching induction coil. Nitrogen outlets which are circumferentially formed in the top wall at intervals communicate with the outlet of the quenching induction coil. The mist absorbing cover body is arranged above the pressure sprayer in a covering manner. Mist absorbing holes are densely formed in the inner side wall of the mist absorbing cover body, and a mist absorbing cavity of the mist absorbing cover body communicates with a mist absorber. By means of the device applied to the quenching induction equipment and used for preventing the surface of the hoisting chain from being oxidized, oxidation of the high-temperature hoisting chain is completely eradicated; the depth obtained after carburizing treatment conducted before is maintained; the diameter and surface roughness of the chain are guaranteed; the requirements for abrasive resistance and tensile strength of the hoisting chain are met; quenching quality is remarkably improved; and the hoisting chain oxide skin polishing procedure is omitted, and polishing cost is saved.
Description
【Technical field】
The present invention relates to a kind of for the device avoiding hoisting chain surface oxidation in sensing apparatus that quenches, belong to quenching
Sensing apparatus attachment technique field.
【Background technology】
At present, the hoisting chain through Carburization Treatment is the expensive goods of hoisting chain industry it is stipulated that the hoisting chain of diameter
According to its carburizing depth general control of technological requirement at 0.12 millimeter.
After carburization process, using mid-frequency induction hardening heat treated, the sensing apparatus that quench supply hoisting chain to hoisting chain
Used by Quenching Treatment, it be using electromagnetic induction produce in hoisting chain vortex and hoisting chain is heated.Variable-frequency electric
Machine controls hoisting chain to move through quenching inducer with 1.5m/min speed, and hoisting chain advances to quenching induction coil exit
Outside when so that hoisting chain is quickly cooled down by pressure spray device, enter back in water cooling pond, hoisting chain quenching hardness control
System is between HRC40～45.
When through quenching induction coil heating, due to quenching induction coil, it supplies chain to pass through to hoisting chain after Carburization Treatment
The long in the hole in center fill and have air, also, when the quenching chain segment that processed of sensing heating be located at pressure spray device
When in shower, because shower needs it to be carried out to produce water vapour during quick cold cut, this damp and hot water vapour can on alter
And flowing in the long in the hole in center of quenching induction coil, this two factors all can lead to the chance oxygen reaction of the chain condition of high temperature to cause surface
Produce oxide skin, have impact on the carburized (case) depth of process stipulation, reduce hoisting chain wearability.The generation of oxide skin, also makes
The diameter obtaining chain specification reduces, and have impact on the tensile strength of technological requirement.
The oxidized surface that hoisting chain exists, affects next procedure intractability, increases surface polishing cost.
【Content of the invention】
The present invention is directed to above-mentioned the deficiencies in the prior art and provides and a kind of avoid hoisting-chain for quenching in sensing apparatus
The device of bar surface oxidation, the hoisting chain after this device can make Carburization Treatment is complete during quenching induction heat treatment
Entirely avoid producing patina it is ensured that the carburizing depth of hoisting chain, meet the wearability of hoisting chain and tensile strength requires.
For solving above-mentioned technical problem, the present invention provides following technical scheme：
For the device avoiding hoisting chain surface oxidation in sensing apparatus that quenches, this device is arranged in quenching sensing and sets
Between insulation standpipe in standby and pressure spray thrower, for eliminating the air in quenching its center elongated hole of induction coil, to avoid quenching
Hoisting chain in fiery processing procedure aoxidizes and implements, and described pressure spray thrower is located at the lower section of insulation standpipe, and quench induction coil
It is located in insulation standpipe, its improvement is：Described device includes the nitrogen distributor with centre bore and has central through hole
Suction mist cover body, described nitrogen distributor located at insulation riser bottom, its nitrogen intracavity of this nitrogen distributor fill have nitrogen, nitrogen
Its roof of edema caused by disorder of QI orchestration with quenching induction coil exit corresponding, and on roof the circumferentially spaced nitrogen setting portal all connection quench
Fiery induction coil outlet, described suction mist cover body is the top covering at pressure spray thrower, its suction mist chamber connection air draught of this suction mist cover body
Device, inhales the densely covered suction mist hole on its inwall of mist cover body and all connects suction mist chamber.
As preferential, the generally axial plate-like cavity body structure with centre bore of above-mentioned nitrogen distributor, this nitrogen divides
Its nitrogen chamber of orchestration is enclosed and is formed by external annulus, internal ring wall, ring roof and ring diapire, and ring roof is exported with quenching induction coil
Place is corresponding, and is spaced apart nitrogen on ring roof and portals all connection quenching induction coil outlets, and external annulus are provided with insertion
The nitrogen input skirt in nitrogen chamber, this nitrogen input skirt is connected with effusion meter by nitrogen connecting tube, the external nitrogen of effusion meter
Source.
Above-mentioned suction its outer surface of mist cover body is in substantially truncated cone-shaped and its central through hole is bellmouth orifice, and above-mentioned suction mist chamber is by outer
Side wall, medial wall, ring roof and ring diapire enclose, and above-mentioned suction mist hole is opened on this medial wall, and lateral wall is provided with
The fog guiding pipe in mist chamber is inhaled in insertion, and this fog guiding pipe is passed through suction mist pipe and is connected with air suction device main body, the external fog exhaust pipe of air suction device main body.
There is non-scale to produce for convenience of Real Time Observation hoisting chain surface, and whether be necessary to adjust according to field condition
Effusion meter (for controlling nitrogen flow), or adjust air suction device wind speed, above-mentioned suction mist cover body warp-wise offers observation panel.
Compared with prior art, the invention has the advantages that and beneficial effect：
By setting up nitrogen distributor, nitrogen can be made to squeeze away air full quenching induction coil, and it supplies hoisting chain to pass through
Center elongated hole, hoisting chain is then wrapped up by nitrogen completely, it is to avoid the oxygen of in the air contacts high temperature oxygen with quenching hoisting chain
Change, hoisting chain does not regenerate a large amount of oxide skin erosions, actively impact is produced to environmental protection and energy saving；Inhale mist cover body by setting up,
Make high temperature quench hoisting chain through pressure spray quick cold cut when produced water vapour from inhale mist cover body enter after by air draught
Device detaches, and can avoid altering on oxygen-containing water vapour and contacts with the hoisting chain that quenches to quenching induction coil is internal, thus thoroughly prevents
The oxidation of high temperature hoisting chain.
To sum up so that hoisting chain can keep carburizing depth that original Carburization Treatment crosses it is ensured that diameter chain unchanged and
The roughness on chain surface, meets the wearability of hoisting chain and tensile strength requires, and significantly improves quenching quality, and saves
Hoisting chain oxide skin polishing process and polishing cost.
【Brief description】
Below in conjunction with the accompanying drawings the present invention is described in further detail.
Fig. 1 is the structural representation that the present invention avoids that the device of hoisting chain surface oxidation is installed in quenching sensing apparatus
Figure；
Fig. 2 is the enlarged drawing in A portion in Fig. 1；
Fig. 3 is the sectional view of the nitrogen distributor in this practicality newly；
Fig. 4 is the top view of nitrogen distributor；
Fig. 5 is the sectional view of the suction mist cover body in this practicality newly；
Fig. 6 is the top view inhaling mist cover body.
【Specific embodiment】
Refer to shown in Fig. 1～6, for the device avoiding hoisting chain surface oxidation in sensing apparatus that quenches, this dress
Put between the insulation standpipe 1 being arranged in quenching sensing apparatus and pressure spray thrower 4, for eliminating quenching its center of induction coil 2
Air in elongated hole 20, to avoid hoisting chain K oxidation during Quenching Treatment to implement, pressure spray thrower 4 is located at insulation
The lower section of standpipe 1, quenching induction coil 2 is located in insulation standpipe 1, and its improvement is：This device is included with centre bore 5H's
Nitrogen distributor 5 and the suction mist cover body 8 with central through hole 8H, nitrogen distributor 5 is divided located at insulation standpipe 1 bottom, this nitrogen
Full in its nitrogen chamber 50 of orchestration 5 have nitrogen, and its roof of nitrogen distributor 5 is corresponding with quenching induction coil outlet 21, and pushes up
On wall the circumferentially spaced nitrogen setting portal 530 all connection quenching induction coils outlet 21, inhale mist cover body 8 be cover at pressure spray
The top of device 4, its suction mist chamber 80 connection air suction device 9 of this suction mist cover body 8, inhale the suction mist hole that mist cover body 8 gathers on its inwall 82
Mist chamber 80 is inhaled in 820 all connections.
Core component in the quenching sensing apparatus induction coil 2 that quenches is used for hoisting chain K quenching；Pressure spray thrower
4 be used for quenched after hoisting chain section immediately quickly cool down.
Nitrogen distributor 5 is to be fixed on insulation standpipe 1 bottom by allotter installing plate 5B and fastening bolt.
After hoisting chain K is moved through at quenching induction coil outlet 21, advance in the shower 41 of pressure spray thrower 4,
The cooling water that shower 41 sprays from its spray apertures 410 makes hoisting chain K quickly cool down, then is immersed in bosh 3.
Descending hoisting chain K mono- tunnel travels through the quenching center elongated hole 20 of induction coil 2 and the center of nitrogen distributor 5
Hole 5H, removal quenched after hoisting chain section immediately enter central through hole 8H and the pressure spray thrower 4 inhaling mist cover body 8
In shower 41, this section of hoisting chain sprays quick cold cut in shower 41, and during spray, produced water vapour is through inhaling mist cover
Body 8 quickly taken away by air suction device 9 it is ensured that water vapour not quenching induction coil 2 center elongated hole 20 in flowing, make water vapour away from
Around at quenching induction coil outlet 21.
The quenching center elongated hole 20 of induction coil 2, the centre bore 5H of nitrogen distributor 5, inhale mist cover body 8 central through hole 8H and
Shower 41 passes sequentially through for hoisting chain K.Wherein, center elongated hole 20, centre bore 5H, central through hole 8H and shower 41 be substantially
Centering.
As a kind of preferential embodiment of nitrogen distributor, nitrogen distributor 5 is the plate-like axially with centre bore 5H
Cavity body structure, its nitrogen chamber 50 of this nitrogen distributor 5 is to be enclosed by external annulus 51, internal ring wall 52, ring roof 53 and ring diapire 54
Close, ring roof 53 is corresponding with quenching induction coil outlet 21, and the nitrogen being spaced apart on ring roof 53 portals
530 all connection quenching induction coil outlets 21, external annulus 51 are provided with the nitrogen input skirt 511 in insertion nitrogen chamber 50, this nitrogen
Input skirt 511 is connected with effusion meter 7 by nitrogen connecting tube 6, the external source nitrogen of effusion meter 7.
Effusion meter 7 is used for controlling the flow of nitrogen.
As a kind of suction preferential embodiment of mist cover body, suction its outer surface of mist cover body 8 its center substantially in truncated cone-shaped
Through hole 8H is bellmouth orifice, inhales mist chamber 80 and is enclosed and formed by lateral wall 81, medial wall 82, ring roof 83 and ring diapire 84, inhales
Mist hole 820 is opened on this medial wall 82, and lateral wall 81 is provided with the fog guiding pipe 811 that mist chamber 80 is inhaled in insertion, and this fog guiding pipe 811 leads to
Cross suction mist pipe 91 to be connected with air suction device main body 90, the external fog exhaust pipe 92 of air suction device main body 90.
Air suction device 9 is made up of air suction device main body 90, suction mist pipe 91 and fog exhaust pipe 92.
Inhaling mist cover body 8 is in umbrella design, is conducive to holding together collection water vapour, prevents water vapor diffusion.
Inhale mist cover body 8 warp-wise and offer observation panel 800.
Frame G top is respectively mounted reducing motor M and synchronous sprocket wheel M2, and its output shaft of reducing motor M is provided with deceleration
Sprocket wheel M1, deceleration sprocket wheel M1 and synchronous sprocket wheel M2 are in transmission connection by synchronization chain B, and bosh 3 bottom is provided with two trips
Wheel N1, N2.
During quenching sensing apparatus work, it is loaded under the hoisting chain K on deceleration sprocket wheel M1 and is advanced in quenching induction coil 2
Carry out 930 DEG C of Quenching Treatment, the hoisting chain K after Quenching Treatment out leads to afterwards from quenching induction coil outlet 21 in heart elongated hole 20
Cross the centre bore 5H of nitrogen distributor 5, and then pass through the shower 41 of the central through hole 8H inhaling mist cover body 8 and pressure spray thrower 4
Afterwards, leaching is fallen in bosh 3, and after passed through pleasure boat N1, N2, hoisting chain K is up, and is drawn by synchronous sprocket wheel M2,
So far complete the quenching operation of hoisting chain K epidermis non-oxidation.
I.e. in the nitrogen distributor that the filling of insulation standpipe 1 bottom is special, this nitrogen distributes for the lower end being located at quenching induction coil 2
Nitrogen in its nitrogen chamber 50 of device 5, after the outflow of the nitrogen place of portalling, flows upwardly in the center elongated hole 20 of quenching induction coil 2, makes
The center elongated hole 20 of the quenching induction coil 2 of whole height all fill nitrogen, the air in center elongated hole 20 then all squeezed walk, height
Hoisting chain K in temperature quenching no longer contact with the oxygen of in the air and oxidized, it is to avoid its surface generation oxide skin.
After suction mist cover body 8 is set up at the top of pressure spray thrower 4, hoisting chain K is in shower 41 when that sprays quick cold cut institute
The water vapour producing, quickly can be taken away by air suction device 9 through inhaling mist cover body 8, it is to avoid alter on oxygen-containing water vapour and flow to quenching sensing
In the center elongated hole 20 of circle 2, to avoid the oxygen in water vapour to contact with hoisting chain K, this addresses the problem the chain in traveling
The oxidized problem of bar K, because hoisting chain K quenching is whole not oxidized, therefore significantly improves quenching quality.
The present disclosure additionally applies for needing the mining chain of Carburization Treatment, the marine anchor chain anti-block during Quenching Treatment
Change is processed.
Claims (4)
1. a kind of for the device avoiding hoisting chain surface oxidation in sensing apparatus that quenches, this device be arranged in quenching sensing
Between insulation standpipe in equipment and pressure spray thrower, for eliminating the air in quenching its center elongated hole of induction coil, to avoid
Hoisting chain during Quenching Treatment aoxidizes and implements, and described pressure spray thrower is located at the lower section of insulation standpipe, quenching sensing
Circle be located at insulation standpipe in it is characterised in that：Described device includes the nitrogen distributor with centre bore and has central through hole
Suction mist cover body, described nitrogen distributor located at insulation riser bottom, its nitrogen intracavity of this nitrogen distributor fill have nitrogen, nitrogen
Its roof of edema caused by disorder of QI orchestration with quenching induction coil exit corresponding, and on roof the circumferentially spaced nitrogen setting portal all connection quench
Fiery induction coil outlet, described suction mist cover body is the top covering at pressure spray thrower, its suction mist chamber connection air draught of this suction mist cover body
Device, inhales the densely covered suction mist hole on its inwall of mist cover body and all connects suction mist chamber.
2. the device avoiding hoisting chain surface oxidation according to claim 1 it is characterised in that：Described nitrogen distributor
The generally axial plate-like cavity body structure with centre bore, its nitrogen chamber of this nitrogen distributor is by external annulus, internal ring wall, ring
Roof and ring diapire enclose, and ring roof is corresponding with quenching induction coil exit, and is spaced apart on ring roof
Nitrogen portals and all connects quenching induction coil outlet, and external annulus are provided with the nitrogen input skirt in insertion nitrogen chamber, and this nitrogen inputs
Skirt is connected with effusion meter by nitrogen connecting tube, the external source nitrogen of effusion meter.
3. the device avoiding hoisting chain surface oxidation according to claim 1 and 2 it is characterised in that：Described suction mist cover
Its outer surface of body is in substantially truncated cone-shaped and its central through hole is bellmouth orifice, and described suction mist chamber is by lateral wall, medial wall, ring roof
Enclose with ring diapire, described suction mist hole is opened on this medial wall, and lateral wall is provided with the fog guiding pipe that mist chamber is inhaled in insertion,
This fog guiding pipe is passed through suction mist pipe and is connected with air suction device main body, the external fog exhaust pipe of air suction device main body.
4. the device avoiding hoisting chain surface oxidation according to claim 3 it is characterised in that：Described suction mist cover body warp
To offering observation panel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611001245.1A CN106381372B (en) | 2016-11-06 | 2016-11-06 | For quenching the device for avoiding hoisting chain surface oxidation in sensing apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611001245.1A CN106381372B (en) | 2016-11-06 | 2016-11-06 | For quenching the device for avoiding hoisting chain surface oxidation in sensing apparatus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106381372A true CN106381372A (en) | 2017-02-08 |
| CN106381372B CN106381372B (en) | 2018-06-12 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611001245.1A Active CN106381372B (en) | 2016-11-06 | 2016-11-06 | For quenching the device for avoiding hoisting chain surface oxidation in sensing apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106381372B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108220537A (en) * | 2018-03-20 | 2018-06-29 | 恒进感应科技（十堰）股份有限公司 | A kind of quenching inducer for the protection of monodentate quenching machine nitrogen |
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| CN1687681A (en) * | 2005-04-29 | 2005-10-26 | 张文忠 | Well type dedicated stove of accurate controlled thin carbonization layer for lifter chain |
| CN201437546U (en) * | 2009-06-09 | 2010-04-14 | 天龙科技炉业(无锡)有限公司 | Smoke collecting and exhausting device of quenching bath |
| CN202246757U (en) * | 2011-08-08 | 2012-05-30 | 山东凯美瑞轴承科技有限公司 | Protective gas application system for preventing bearing workpiece from being quenched and oxidized |
| CN102634648A (en) * | 2012-04-26 | 2012-08-15 | 广东世创金属科技有限公司 | Pit furnace with protective atmosphere device and automatic workpiece transferring device in quenching |
| CN203034078U (en) * | 2013-01-05 | 2013-07-03 | 江铃汽车股份有限公司 | Soft-nitriding heat treatment continuous furnace |
| CN204981973U (en) * | 2015-09-10 | 2016-01-20 | 郑州机械研究所 | Closed thermal treatment quenching equipment of taking oil smoke purification performance |
| CN206219627U (en) * | 2016-11-06 | 2017-06-06 | 浙江双鸟机械有限公司 | The device for avoiding hoisting chain surface oxidation in for the sensing apparatus that quench |
-
2016
- 2016-11-06 CN CN201611001245.1A patent/CN106381372B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1687681A (en) * | 2005-04-29 | 2005-10-26 | 张文忠 | Well type dedicated stove of accurate controlled thin carbonization layer for lifter chain |
| CN201437546U (en) * | 2009-06-09 | 2010-04-14 | 天龙科技炉业(无锡)有限公司 | Smoke collecting and exhausting device of quenching bath |
| CN202246757U (en) * | 2011-08-08 | 2012-05-30 | 山东凯美瑞轴承科技有限公司 | Protective gas application system for preventing bearing workpiece from being quenched and oxidized |
| CN102634648A (en) * | 2012-04-26 | 2012-08-15 | 广东世创金属科技有限公司 | Pit furnace with protective atmosphere device and automatic workpiece transferring device in quenching |
| CN203034078U (en) * | 2013-01-05 | 2013-07-03 | 江铃汽车股份有限公司 | Soft-nitriding heat treatment continuous furnace |
| CN204981973U (en) * | 2015-09-10 | 2016-01-20 | 郑州机械研究所 | Closed thermal treatment quenching equipment of taking oil smoke purification performance |
| CN206219627U (en) * | 2016-11-06 | 2017-06-06 | 浙江双鸟机械有限公司 | The device for avoiding hoisting chain surface oxidation in for the sensing apparatus that quench |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108220537A (en) * | 2018-03-20 | 2018-06-29 | 恒进感应科技（十堰）股份有限公司 | A kind of quenching inducer for the protection of monodentate quenching machine nitrogen |
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| Publication number | Publication date |
|---|---|
| CN106381372B (en) | 2018-06-12 |
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Inventor after: Ye Xiaojiang Inventor after: Zheng Yikun Inventor after: Qiu Yuchao Inventor after: Dan Weijun Inventor after: Zhu Jingnan Inventor before: Ye Xiaojiang Inventor before: Qiu Yuchao Inventor before: Dan Weijun Inventor before: Zhu Jingnan |
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