CN106967875B - A kind of thin-wall annular part heat treatment deformation device - Google Patents
A kind of thin-wall annular part heat treatment deformation device Download PDFInfo
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- CN106967875B CN106967875B CN201710357931.0A CN201710357931A CN106967875B CN 106967875 B CN106967875 B CN 106967875B CN 201710357931 A CN201710357931 A CN 201710357931A CN 106967875 B CN106967875 B CN 106967875B
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- 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
- C21D9/40—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for rings; for bearing races
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- Crystallography & Structural Chemistry (AREA)
- Mechanical Engineering (AREA)
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- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Heat Treatment Of Articles (AREA)
- Heat Treatments In General, Especially Conveying And Cooling (AREA)
Abstract
The present invention provides a kind of thin-wall annular part heat treatment deformation device, can be by deformation amount controlling of the thin-wall annular part in heat treatment within the limits prescribed: the specific internal diameter of marmon clamp be greater than thin-wall annular part outer diameter and axial width also greater than thin-wall annular part axial width, thereon at least provided with three circumferentially equally distributed radial positioning mechanisms, each radial positioning mechanism includes that at least one radial through-hole of marmon clamp particularly is arranged in, locating piece, positioning link and positioning regulating part, locating piece is that the radian of outer wall is identical as the radian of the specific inner wall of marmon clamp, the radian of outer wall of radian and thin-wall annular part of inner wall is identical and axial width circular arc bar blocks corresponding with the axial width of thin-wall annular part, it is located at marmon clamp and specifically connect between thin-wall annular part and with the inner end of positioning link, positioning link Among radial through-hole and outer end is assemblied in connect with the positioning regulating part radial position adjustable except the specific periphery of marmon clamp.
Description
Technical field
The present invention relates to thin-wall annular part processing unit (plant), in particular to a kind of thin-wall annular part heat treatment deformation device.
Background technique
There is a kind of thin-wall annular part in some mechanical equipment, referring to Fig. 1, being relatively large in diameter for the thin-wall annular part 5 is greater than
210mm, internal diameter are less than outer diameter about 21mm, i.e. wall thickness about 21mm, and the higher internal tooth 5a of precision is equipped on inner wall.To improve this
The rigidity of kind thin-wall annular part 5, usually after machining will be heat-treated it, such as carry out the heat treatment such as nitrogenizing.Mesh
Before, usually the thin-wall annular part 5 is directly placed into nitridation equipment after machining and is heat-treated.Due to the circular thin-wall
The wall thickness of part 5 about 21mm, that is, wall thickness is relatively thin and inner wall is equipped with the higher internal tooth 5a of precision, i.e. structure is also more complicated.
Then, if the thin-wall annular part 5 to be carried out to the heat treatment such as nitriding in the case where being in free state, internal-and external diameter can become
To in swelling, entirety can deform, and size, the precision of internal-and external diameter and internal tooth 5a may be due to overall deformation and beyond rule
The requirement for determining range, leads to that 5 scrappage of thin-wall annular part is higher, manufacturing cost is higher.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of thin-wall annular part heat treatment deformation devices, can control thin-walled
Annular element is being heat-treated, such as the deflection after nitridation, makes its deformation amount controlling within the limits prescribed.
In order to solve the above technical problems, thin-wall annular part heat treatment deformation device of the invention, including marmon clamp are specific,
It is characterized by: the specific internal diameter of marmon clamp is greater than the outer diameter of thin-wall annular part and axial width also greater than thin-wall annular part
Axial width, it is circumferentially equally distributed for clamping the radial positioning mechanism of thin-wall annular part at least provided with three thereon,
Each radial positioning mechanism includes at least one radial through-hole being arranged in marmon clamp particularly, a locating piece, one
Positioning link and a positioning regulating part, the locating piece are the radian phase of the radian and the specific inner wall of marmon clamp of outer wall
With the radian of, inner wall, identical and axial width is opposite with the axial width of thin-wall annular part with the radian of the outer wall of thin-wall annular part
Should or the axial width greater than thin-wall annular part circular arc bar blocks, be located at marmon clamp it is specific between thin-wall annular part simultaneously
It is connect with the inner end of positioning link, the positioning link gap is assemblied among radial through-hole and outer end and clevis are specific
Connect to positioning regulating part radial position adjustable except periphery.
Preferably, each radial positioning mechanism is arranged in there are two the radial through-hole of marmon clamp particularly, two diameters
It is arranged side by side to through-hole along the specific axial spacing of marmon clamp, the positioning link and the quantity and radial direction for positioning regulating part
The quantity of through-hole is matched, and each locating piece is connect with the inner end of each positioning link respectively, described to be each located by connecting
Gap is assemblied among a radial through-hole part respectively and outer end stretches out in except the specific periphery of marmon clamp and positions with one
Connect to regulating part radial position adjustable.
Preferably, radial through-hole, positioning link and the positioning on the marmon clamp specific 1 of each radial positioning mechanism
Regulating part is that smooth radial through-hole, outer end set threaded whorl brace rod and adjusting nut respectively.
Preferably, radial through-hole, positioning link and the positioning of the marmon clamp of each radial positioning mechanism particularly
Regulating part is radial tapped through hole, threaded rod and adjusting nut respectively.
Preferably, the locating piece of each radial positioning mechanism and positioning link are separate structure, locating piece and fixed
The inner end of position connector is detachably connected.
Preferably, the locating piece of each radial positioning mechanism is threadedly coupled with the inner end of positioning link.
Preferably, the locating piece of each radial positioning mechanism is structure as a whole with positioning link.
The present invention includes following beneficial effect；
Thin-wall annular part nitrogenize etc. in heat treatment process, thin-wall annular part can be put into the annular of the present apparatus
In clamp body, and clamped using radial positioning mechanism in the Equipment for Heating Processing put into together including nitridation equipment again to thin-walled
Annular element carries out the heat treatment such as nitrogenizing, and is limited by radial positioning mechanism, thin-wall annular part when nitrogenize etc. heat treatment,
Inside and outside diameter would not be intended to swell, and entirety would not deform, and the size of inside and outside diameter and internal tooth, precision would not be by
Exceed the requirement of prescribed limit in overall deformation, thus, reduce the scrappage and manufacturing cost of thin-wall annular part.Meanwhile
The present invention is only specific by marmon clamp and radial positioning mechanism forms, relatively simple for structure, operates more convenient.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of thin-wall annular part involved in the present invention；
Fig. 2 is structural schematic diagram of the invention；
Fig. 3 is the left view of Fig. 2.
Specific embodiment
The preferred embodiment of the present invention is described in detail with reference to the accompanying drawing.
Referring to figs. 2 and 3, thin-wall annular part heat treatment deformation device of the invention, including marmon clamp specific 1.By Fig. 2
With Fig. 3 as it can be seen that the internal diameter of the marmon clamp specific 1 is greater than the outer diameter of thin-wall annular part 5 and axial width also greater than circular thin-wall
The axial width of part 5, it is circumferentially equally distributed for clamping the radial positioning machine of thin-wall annular part 5 at least provided with three thereon
Structure 1a, 2,3,4, each radial positioning mechanism (1a, 2,3,4) includes at least one diameter being arranged on marmon clamp specific 1
To through-hole 1a, 2, positioning links 3 of a locating piece and a positioning regulating part 4, the locating piece 2 is the radian of outer wall
And the radian of inner wall of marmon clamp specific 1 is identical, inner wall radian is identical as the radian of the outer wall of thin-wall annular part 5 and axial wide
Spend the circular arc bar blocks of axial width corresponding with the axial width of thin-wall annular part 5 or greater than thin-wall annular part 5, position
It is connect between marmon clamp specific 1 and thin-wall annular part 5 and with the inner end of positioning link 3,3 gap of the positioning link dress
With 4 radial position adjustable of positioning regulating part except the periphery of marmon clamp specific 1 assigned among radial through-hole 1a and outer end
Connection.So, thin-wall annular part 5 nitrogenize etc. in heat treatment process, thin-wall annular part 5 can be put into this dress
In the marmon clamp set specific 1, and radial positioning mechanism 1a is used, 2,3,4 clampings are put into together again including nitridation equipment
Thin-wall annular part 5 is carried out in Equipment for Heating Processing the heat treatment such as to nitrogenize, by radial positioning mechanism 1a, 2,3,4 limitation, thin-walled ring
When carrying out the heat treatment such as nitrogenizing, inside and outside diameter would not be intended to swell shape part 5, and entirety would not deform, interior,
The size of outer diameter and internal tooth 5a, precision would not exceed the requirement of prescribed limit due to overall deformation, thus, reduce thin-walled
The scrappage and manufacturing cost of annular element 5.Meanwhile the present invention is only by marmon clamp specific 1 and radial positioning mechanism 1a, 2,3,4 groups
At, it is relatively simple for structure, it operates more convenient.
Referring to figs. 2 and 3, each radial positioning mechanism 1a, 2,3,4 radial directions being arranged on marmon clamp specific 1 are led to
There are two hole 1a, two radial through-hole 1a along marmon clamp specific 1 axial spacing be arranged side by side, 3 He of positioning link
Position regulating part 4 quantity and radial through-hole 1a quantity match, each locating piece 2 respectively with each positioning link 3
Inner end connection, gap is assemblied among a radial through-hole 1a each positioning link 3 respectively and outer end stretches out in ring
It is connect except the periphery of clevis specific 1 and with positioning 4 radial position adjustable of regulating part.This makes to circular thin-wall
Part 5 nitrogenize etc. in heat treatment process, in the marmon clamp specific 1 that thin-wall annular part 5 can be put into the present apparatus, and uses diameter
It preferably clamps to positioning mechanism 1a, 2,3,4 and puts nitridation etc. into together again and thin-wall annular part 5 nitrogenize etc. at heat in equipment
Reason, by radial positioning mechanism 1a, 2,3,4 limitation, thin-wall annular part 5 is carrying out the deformation expanded outward when heat treatment such as nitrogenizing
Amount is more preferably controlled in technique claimed range.Thus, it is possible to preferably reduce the scrappage of thin-wall annular part 5, preferably save
About manufacturing cost.
Referring to figs. 2 and 3, each radial positioning mechanism 1a, radial through-hole 1a on 2,3,4 marmon clamp specific 1,
Positioning link 3 and positioning regulating part 4 are that smooth radial through-hole, outer end set threaded whorl brace rod and adjustment spiral shell respectively
It is female.This makes the structure of radial through-hole 1a, positioning link 3 and positioning regulating part 4 fairly simple.
Certainly, it each radial positioning mechanism 1a, radial through-hole 1a on 2,3,4 marmon clamp specific 1, is located by connecting
Part 3 and positioning regulating part 4 can also be radial tapped through hole, threaded rod and adjusting nut respectively.This is again such that radial through-hole
The structure of 1a, positioning link 3 and positioning regulating part 4 are fairly simple.
Referring to fig. 2, each radial positioning mechanism 1a, 2,3,4 locating piece 2 and positioning link 3 are separate structure,
Locating piece 2 and the inner end of positioning link 3 are detachably connected.This makes the maintenance of locating piece 2 and positioning link 3 replacement ratio
It is more convenient.
Certainly, each radial positioning mechanism 1a, 2,3,4 locating piece 2 and the inner end of positioning link 3 can be spiral shell
Line connection.This makes locating piece 2 and the maintenance replacement of positioning link 3 more more convenient.
Referring to fig. 2, each radial positioning mechanism 1a, 2,3,4 locating piece 2 are structure as a whole with positioning link 3.
This makes locating piece 2 and the design and manufacture of positioning link 3 more convenient, and cost is relatively low.
Thin-wall annular part 5 in use, be first put into marmon clamp specific 1, then by each radial positioning mechanism by the present invention
1a, 2,3,4 locating piece 2 are placed between marmon clamp specific 1 and thin-wall annular part 5, then positioning link 3 is put into radial lead to
In the 1a of hole and by its inner end and locating piece 2, regulating part 4 then is positioned in the connection of its outer end, and gradually tighten.By at least three
Radial positioning mechanism 1a, after 2,3,4 install according to above-mentioned steps, then to each radial positioning mechanism 1a, 2,3,4 are adjusted
It is whole, make each radial positioning mechanism 1a, the pretightning force that 2,3,4 pairs of thin-wall annular parts 5 apply is equal, that is, completes to thin-wall annular part
5 Set and Positioning, then the present apparatus is put into togerther in the Equipments for Heating Processing such as nitridation to thin-wall annular part 5 and carries out corresponding be heat-treated.
The preferred embodiment of the present invention is elaborated above in conjunction with attached drawing, but the present invention is not limited to above-mentioned
Embodiment, technical field those of ordinary skill within the scope of knowledge, ancestor of the present invention can also not departed from
Various changes can be made under the premise of purport.
Claims (6)
1. a kind of thin-wall annular part heat treatment deformation device, including marmon clamp are specific (1), it is characterised in that: the marmon clamp
Specifically the internal diameter of (1) be greater than thin-wall annular part (5) outer diameter and axial width also greater than thin-wall annular part (5) axial width,
Thereon at least provided with three circumferentially it is equally distributed for clamp thin-wall annular part (5) radial positioning mechanism (1a, 2,3,
4), each radial positioning mechanism (1a, 2,3,4) includes the radial through-hole (1a) being arranged on marmon clamp specific (1), positioning
Block (2), positioning link (3) and positioning regulating part (4), the locating piece (2) are the radian and marmon clamp specific (1) of outer wall
The radian of inner wall is identical, inner wall radian is identical as the radian of outer wall of thin-wall annular part (5) and axial width and circular thin-wall
The axial width of part (5) is corresponding or is greater than the circular arc bar blocks of the axial width of thin-wall annular part (5), is located at marmon clamp
It is specifically connect between (1) and thin-wall annular part (5) and with the inner end of positioning link (3), each radial positioning mechanism
(1a, 2,3,4) setting is there are two the radial through-hole (1a) on marmon clamp specific (1), and two radial through-hole (1a) are along marmon clamp
It is specifically arranged side by side to the axial spacing of (1), the positioning link (3) and the quantity and radial through-hole for positioning regulating part (4)
The quantity of (1a) is matched, and each locating piece (2) connect with the inner end of each positioning link (3) respectively, described each fixed
Gap is assemblied in the periphery that among a radial through-hole (1a) and outer end stretches out in marmon clamp specific (1) to position connector (3) respectively
Except and connect with positioning regulating part (4) radial position adjustable.
2. thin-wall annular part heat treatment deformation device as described in claim 1, it is characterised in that: each radial positioning
Radial through-hole (1a), positioning link (3) and positioning regulating part (4) point on the marmon clamp of mechanism (1a, 2,3,4) specific (1)
It is not that smooth radial through-hole, outer end set threaded whorl brace rod and adjusting nut.
3. thin-wall annular part heat treatment deformation device as described in claim 1, it is characterised in that: each radial positioning
Radial through-hole (1a), positioning link (3) and positioning regulating part (4) point on the marmon clamp of mechanism (1a, 2,3,4) specific (1)
It is not radial tapped through hole, threaded rod and adjusting nut.
4. thin-wall annular part heat treatment deformation device as claimed any one in claims 1 to 3, it is characterised in that: described
The locating piece (2) of each radial positioning mechanism (1a, 2,3,4) and positioning link (3) are separate structure, locating piece (2) and fixed
The inner end of position connector (3) is detachably connected.
5. thin-wall annular part heat treatment deformation device as claimed in claim 4, it is characterised in that: each radial positioning
The locating piece (2) of mechanism (1a, 2,3,4) is threadedly coupled with the inner end of positioning link (3).
6. thin-wall annular part heat treatment deformation device as claimed any one in claims 1 to 3, it is characterised in that: described
The locating piece (2) of each radial positioning mechanism (1a, 2,3,4) is structure as a whole with positioning link (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710357931.0A CN106967875B (en) | 2017-05-19 | 2017-05-19 | A kind of thin-wall annular part heat treatment deformation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710357931.0A CN106967875B (en) | 2017-05-19 | 2017-05-19 | A kind of thin-wall annular part heat treatment deformation device |
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| Publication Number | Publication Date |
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| CN106967875A CN106967875A (en) | 2017-07-21 |
| CN106967875B true CN106967875B (en) | 2019-07-16 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107486514B (en) * | 2017-08-24 | 2023-07-14 | 重庆望江工业有限公司 | Double-body torsion spring forming device |
| CN107723436A (en) * | 2017-09-11 | 2018-02-23 | 洛阳乾中新材料科技有限公司 | A kind of device and method for preventing heat treatment of workpieces deformation |
| CN108823517B (en) * | 2018-08-01 | 2020-07-03 | 中国兵器工业第五九研究所 | Conformal micro-constraint rigid supporting device for deformation control of thin-wall aluminum alloy casting and heat treatment method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101760602B (en) * | 2009-12-25 | 2011-08-31 | 重庆齿轮箱有限责任公司 | Large-scale thin wall gear ring quenching deformation control method |
| CN102049695B (en) * | 2010-11-10 | 2013-01-02 | 西安航天动力机械厂 | Processing method and technological equipment for cylindrical thin and long thin-walled workpiece |
| CN202741984U (en) * | 2012-07-24 | 2013-02-20 | 哈电集团（秦皇岛）重型装备有限公司 | Ultra-long thin-walled large diameter moisture separator reheater barrel body distortion preventing device |
| CN203141348U (en) * | 2013-01-15 | 2013-08-21 | 哈尔滨东安发动机（集团）有限公司 | Multi-section hooping tool for thin-walled structural parts |
| CN205166429U (en) * | 2015-12-01 | 2016-04-20 | 沈阳黎明航空发动机(集团)有限责任公司 | A support fixture that is used for processing machine casket inner ring honeycomb |
| CN206783727U (en) * | 2017-05-19 | 2017-12-22 | 重庆望江工业有限公司 | A kind of thin-wall annular part heat treatment deformation fixture |
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