CN102766839B - Steel part low-temperature solid boronising surface Hardening Treatment device and method - Google Patents
Steel part low-temperature solid boronising surface Hardening Treatment device and method Download PDFInfo
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- CN102766839B CN102766839B CN201210220897.XA CN201210220897A CN102766839B CN 102766839 B CN102766839 B CN 102766839B CN 201210220897 A CN201210220897 A CN 201210220897A CN 102766839 B CN102766839 B CN 102766839B
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- case
- inner cover
- outer cover
- mounting flange
- asbestos board
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Abstract
The invention discloses a kind of steel part low-temperature solid boronising surface Hardening Treatment device and method, which oozes case including barrel-shaped, and inner cover matches with oozing case；It oozes case upper end and is provided with mounting flange and match setting asbestos board and outer cover successively, at least three fixed clamping device is equably provided with along the case surrounding of oozing between outer cover and mounting flange.In use, being packed into pack boronizing medium and workpiece, inner cover is closed；The faying face for modulate waterglass mud, being coated to inner cover edge and ooze chamber interior wall is sealed around；Asbestos board and outer cover are put successively and closed, steps up to fix by fixed clamping device.The invention is characterized in that exterior and interior cover double-layer seal mode was realized, inner cover is sealed using waterglass mud, the thick asbestos board of folder among outer cover and furnace shell, and sealed with multiple equally distributed fixed clamping devices, it is effectively improved the leakproofness of low-temperature boriding surface Hardening Treatment device.
Description
Technical field
The present invention relates to a kind of device for heat treating and method more particularly to a kind of annealing device and methods.
Background technology
Boronising is a kind of chemical heat treatment method for steel part, processing intent be mainly improve the hardness on surface,
Wearability and corrosion resistance.There are many method of boronising, including solid powder boronisation, gas boriding, paste boron-doping, salt bath boronising and
Plasma boronising etc., wherein pack boriding because having many advantages, such as that technological operation is convenient, equipment is made using simple, easy to control the quality,
Wide application is obtained in production.Boriding process process is to be uniformly mixed boron supplying agent, activator, filler three, then
Certain temperature and heat preservation regular hour are heated to after workpiece loading is oozed case sealing, then carries out furnace cooling or air-cooled.
However, boronising is in high temperature（850 ℃~950 ℃）Lower progress, easily deforms workpiece, and gained Brittleness is big, easy-peel
It falls, and energy consumption is more, the technology is made to be subject to certain restrictions in practical applications.In order to energy saving, expand boronizing technology
Application range, low-temperature boriding（The A of steel1Below critical-temperature）It is concerned.Low-temperature boriding can improve penetrated layer property, drop
Low energy consumption and reduction workpiece deformation, and the mechanical property of basis material is not impacted, so as to which boriding process is applied to
Have on the precision component of particular/special requirement to precision and wearability after heat treatment, further expand the application of boriding process.
Activity and concentration under low temperature due to boron atom is smaller, and requirement of the boronizing device to leakproofness just seems especially high,
Once the bad boron atom concentration directly affected in device in boronising environment of the leakproofness of device reduces boronising effect.
Invention content
The technical problems to be solved by the invention are to provide a kind of good airproof performance, strengthen suitable for piece surface low-temperature boriding
The device of processing and the method for low-temperature solid boronising.
The present invention to solve above-mentioned technical problem and the technical solution adopted is that：
A kind of steel part low-temperature solid boronising surface Hardening Treatment device, the device include it is barrel-shaped ooze case, inner cover, asbestos board and
Outer cover, described to ooze case upper end opening, suitable for reading section of the case that oozes is provided with the bigger inner cover fixed section of bore, the inner cover lower plane
Match with the inner cover fixed section for oozing case to the step surface for oozing box cavity, the inner cover outer edge and the case inner cover that oozes are consolidated
The inner wall for determining section matches；The inner cover is provided with handle；The case upper end of oozing is provided with mounting flange, in mounting flange on
It is located between the outer cover and mounting flange with setting asbestos board and outer cover, the asbestos board, the outer cover and mounting flange
Between along it is described ooze case surrounding and be equably provided at least three the outer cover, asbestos board are fixed on the mounting flange
Fixed clamping device.
The fixed clamping device can be bolt, the nut of matching setting, described in the mounting flange upper edge
It oozes case surrounding and is equably provided at least three through-hole, the corresponding position of the outer cover and asbestos board is also equipped with through-hole, every
In the through-hole of one group of matching setting bolt, nut are provided with, are screwed the outer cover and stone removably by bolt, nut
Cotton board clamping is fixed on the mounting flange.
The handle that setting is covered in described can be a bolt, it is described in cover be provided with the bolt it is matched in
Threaded hole, the bolt are threadedly coupled with inner cover.
The present invention provides a kind of methods that above-mentioned processing unit carries out low-temperature solid boronising simultaneously：Bottom portion is oozed described
A certain amount of pack boronizing medium is poured into, workpiece, which is encased in, to be oozed in case, is then reloaded into a effective amount of pack boronizing medium；In closing
Lid；Waterglass mud is modulated, the waterglass mud is made of waterglass and fire clay reconciliation, the waterglass mud is coated to interior
Lid edge and the faying face for oozing chamber interior wall are sealed around；Asbestos board and outer cover are sequentially placed into above the mounting flange for oozing case, led to
It crosses fixed clamping device to fix to clamp the outer cover, asbestos board on the mounting flange, carries out low-temperature boriding surface peening
Processing.
Using above-mentioned processing unit carry out low-temperature solid boronising method it is as follows, it is described ooze bottom portion pour into it is a certain amount of
Pack boronizing medium, workpiece, which is encased in, to be oozed in case, is then reloaded into a effective amount of pack boronizing medium；Close inner cover；Modulate waterglass
Mud, the waterglass mud are made of waterglass and fire clay reconciliation, the waterglass mud are coated to inner cover edge and oozes case
The faying face of inner wall is sealed around；Asbestos board and outer cover are sequentially placed into above the mounting flange for oozing case, by fixing to clamp dress
It puts and fixes to clamp the outer cover, asbestos board on the mounting flange, carry out low-temperature boriding surface Hardening Treatment.The water
The mixed proportion of waterglass and fire clay mixes 225 g fire clays for every 100 ml waterglass in glass mud.
The invention is characterized in that exterior and interior cover double-layer seal mode was realized, inner cover is sealed using waterglass mud, outer cover and stove
The thick asbestos board of folder among shell, and sealed with multiple equally distributed fixed clamping devices, it is effectively improved low-temperature boriding surface
The leakproofness of strengthening and processing device.Improve boronizing device leakproofness be remarkably improved the quality of steel part low-temperature boriding, depth and
Service life.Low-temperature boriding under the conditions of this boronizing device can be applied to≤650 DEG C, the mold higher to dimension precision requirement,
Tool and some other wearing piece carry out effective Bononizing pretreatment, obtain ideal boride layer, improve their performance and
Service life.The device of the invention is succinct, easy to operate.
Low-temperature boriding can be carried out in the temperature of corresponding steel grade to part mould steel, tool steel the invention enables us,
Realization improves its surface property under conditions of the basis material performance of these tool and moulds is unaffected, improve it is wear-resisting, heat-resisting and
Corrosion resistance improves its service life and ability.
Description of the drawings
Fig. 1 is low-temperature boriding surface Hardening Treatment schematic device.
In figure：
1st, it oozes case 2, ooze case inner cover 3, waterglass mud
4th, lag bolt 5, ooze case outer cover 6, asbestos board
7th, fishbolt 8, nut.
Specific embodiment
The invention will be further described with reference to the accompanying drawings and examples.
Fig. 1 shows a kind of steel part low-temperature solid boronising surface Hardening Treatment device, including oozing case 1, inner cover 2, waterglass
Mud 3, lag bolt 4, outer cover 5, asbestos board 6, fishbolt 7, nut 8.Case 1 is oozed using stainless-steel pipe and steel plate or general steel pipe
It is made with steel plate welding, it is appropriate to be normally applied 10 mm steel plates.Lag bolt 4, fishbolt 7 and nut 8 use stainless steel
Into.6 thickness of asbestos board is 5 ~ 15 mm.
Described to ooze 1 upper end opening of case, 1 suitable for reading section of the case that oozes is provided with the bigger inner cover fixed section of bore, the inner cover 2
Lower plane matches with the inner cover fixed section for oozing case 1 to the step surface for oozing box cavity, 2 outer edge of inner cover and described oozes
The inner wall of case inner cover fixed section matches；The inner cover 2 is provided with handle, and the handle is lag bolt 4, on the inner cover 2
It is provided with and is threadedly coupled with the 4 matched internal thread through hole of lag bolt, the lag bolt with inner cover, form the handle of inner cover 2
Hand；Certainly the short thread structure can also be other conventionally forms, as long as can play the role of inner cover handle.It is described
It oozes 1 upper end of case and is provided with mounting flange, matching setting asbestos board 6 and outer cover 5, the asbestos board 6 are located on mounting flange
Between the outer cover 5 and mounting flange, 6 are equably provided with along 1 surrounding of case of oozing between the outer cover 5 and mounting flange
The outer cover, asbestos board are fixed on the fixed clamping device on the mounting flange, which is set for matching
Bolt, nut, be equably provided with 6 through-holes, the outer cover 5 oozing 1 surrounding of case described in the mounting flange upper edge
Through-hole is also equipped with the corresponding position of asbestos board 6, bolt, nut is provided in the through-hole of the matching setting at each group, passes through
The outer cover 5 and asbestos board 6 are removably fixedly clamped on the mounting flange by bolt, screwing for nut, certainly described
Fixed clamping device can also be uniformly arranged 4 or 8, at least 3 along 1 surrounding of case is oozed, and the structure of nut bolt
Can be the fixed clamping device taken other form, as long as the sealing of outer cover 5 can be clamped.
When carrying out low-temperature solid boronising using above device, a certain amount of pack boronizing medium, workpiece are poured into oozing 1 bottom of case
It is encased in and oozes in case 1, be then reloaded into suitable pack boronizing medium；Close inner cover 2；Modulate waterglass mud, the waterglass
Mud is made of waterglass and fire clay reconciliation, and the waterglass mud 3 is coated to 2 edge of inner cover and oozes the faying face of 1 inner wall of case
It is sealed around.The waterglass mud 3 mixes 225 g fire clays using every 100 ml waterglass, naturally it is also possible to as needed
Using the waterglass mud of other proportionings, as long as waterglass mud can play the sealing function to inner cover 2.By 6 He of asbestos board
Outer cover 5, which is sequentially placed into, to be oozed above case, by outer cover 5, asbestos board 6 and oozes the mounting flange clamping on case 1 with bolt 7 and nut 8, will
The sealing suitable for reading of case 1 is oozed, then workpiece low-temperature boriding surface Hardening Treatment can be achieved.
Equally we use this device that can also carry out solid nitriding, nitrocarburizing, carbo-nitriding and nitrogen boron compound
It oozes and waits operations.The present invention is also applied for the high-temp solid boronising of steel part and other solid powders as made of stainless steel material
The modified operation of forensic chemistry heat treatment.
The above description is merely a specific embodiment, but protection scope of the present invention is not limited thereto, any
Those familiar with the art in the technical scope disclosed by the present invention, can readily occur in change or replacement, should all contain
Lid is within protection scope of the present invention.Therefore, protection scope of the present invention described should be subject to the protection scope in claims.
Claims (4)
1. a kind of steel part low-temperature solid boronising surface Hardening Treatment device, it is characterised in that：The device includes the barrel-shaped case, interior of oozing
Lid, asbestos board and outer cover, described to ooze case upper end opening, suitable for reading section of the case that oozes is provided with the bigger inner cover fixed section of bore, institute
It states inner cover lower plane with the inner cover fixed section for oozing case to the step surface for oozing box cavity to match, the inner cover outer edge and institute
It states and oozes the inner wall of case inner cover fixed section and match；The inner cover is provided with handle；The case upper end of oozing is provided with mounting flange,
Matching setting asbestos board and outer cover, the asbestos board are located between the outer cover and mounting flange on mounting flange, described outer
Between lid and mounting flange along it is described ooze case surrounding be equably provided at least three the outer cover, asbestos board be fixed on it is described
Fixed clamping device on mounting flange.
2. steel part low-temperature solid boronising surface Hardening Treatment device according to claim 1, it is characterised in that：Described consolidates
It is the bolt of matching setting, nut to determine clamping device, is equably provided with oozing case surrounding described in the mounting flange upper edge
The corresponding position of at least three through-hole, the outer cover and asbestos board is also equipped with through-hole, in the through-hole of the matching setting at each group
Bolt, nut are provided with, removably the outer cover and asbestos board are fixedly clamped described solid by bolt, screwing for nut
Determine on flange.
3. steel part low-temperature solid boronising surface Hardening Treatment device according to claim 1 or 2, it is characterised in that：It is described
The handle for inside covering setting is a bolt, and interior cover is provided with and the matched internal thread hole of the bolt, the spiral shell
Bolt is threadedly coupled with inner cover.
A kind of 4. method that low-temperature solid boronising is carried out using processing unit described in claim 1, it is characterised in that：Described
It oozes bottom portion and pours into a certain amount of pack boronizing medium, workpiece, which is encased in, to be oozed in case, is then reloaded into a effective amount of pack boronizing medium；
Close inner cover；Waterglass mud is modulated, the waterglass mud is made of waterglass and fire clay reconciliation, by the waterglass mash
Be layed onto inner cover edge and ooze chamber interior wall faying face it is sealed around；Asbestos board and outer cover are sequentially placed on the mounting flange for oozing case
Side, is fixed to clamp the outer cover, asbestos board on the mounting flange by fixed clamping device, carries out low-temperature boriding surface
Intensive treatment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210220897.XA CN102766839B (en) | 2012-06-29 | 2012-06-29 | Steel part low-temperature solid boronising surface Hardening Treatment device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210220897.XA CN102766839B (en) | 2012-06-29 | 2012-06-29 | Steel part low-temperature solid boronising surface Hardening Treatment device and method |
Publications (2)
| Publication Number | Publication Date |
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| CN102766839A CN102766839A (en) | 2012-11-07 |
| CN102766839B true CN102766839B (en) | 2018-06-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210220897.XA Expired - Fee Related CN102766839B (en) | 2012-06-29 | 2012-06-29 | Steel part low-temperature solid boronising surface Hardening Treatment device and method |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103834906A (en) * | 2012-11-27 | 2014-06-04 | 大连经济技术开发区圣洁真空技术开发有限公司 | Steel box for nitriding agent |
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| CN1128887C (en) * | 2000-05-09 | 2003-11-26 | 徐国汉 | Liquid and steam protected antioxidant heat treatment method and equipment |
| CN101565810A (en) * | 2009-06-09 | 2009-10-28 | 天津大学 | Preparation method and device for industrial microwave heating diffusion coating |
| CN201778115U (en) * | 2010-08-19 | 2011-03-30 | 中国航空工业第六一八研究所 | Rust prevention device for subzero treatment of metal parts |
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|---|---|---|---|---|
| CN1153831A (en) * | 1996-01-05 | 1997-07-09 | 赵广亮 | Binary solid Ti-Al powder cocementing process on steel surface |
| CN1570195A (en) * | 2004-04-23 | 2005-01-26 | 赵广亮 | Steel surface solid powder silicon-alumnium- titanium ternary coinfiltration method |
| CN201068468Y (en) * | 2007-08-08 | 2008-06-04 | 华南理工大学 | Molecular resonance chemical heat treatment furnace |
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| CN201520799U (en) * | 2009-08-18 | 2010-07-07 | 杭州浙锚预应力有限公司 | Multicomponent penetration heating device |
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| CN102766839A (en) | 2012-11-07 |
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