CN107058699A - A kind of pressure quenching mold component of high ferro bearer ring - Google Patents
A kind of pressure quenching mold component of high ferro bearer ring Download PDFInfo
- Publication number
- CN107058699A CN107058699A CN201710244320.5A CN201710244320A CN107058699A CN 107058699 A CN107058699 A CN 107058699A CN 201710244320 A CN201710244320 A CN 201710244320A CN 107058699 A CN107058699 A CN 107058699A
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- China
- Prior art keywords
- ring
- conical
- mould
- high ferro
- pressure quenching
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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
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/62—Quenching devices
- C21D1/673—Quenching devices for die 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
- 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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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Heat Treatment Of Articles (AREA)
- Forging (AREA)
Abstract
The present invention proposes a kind of pressure quenching mold component of high ferro bearer ring, including mould and core rod, mould includes array conical ring wide at the top and narrow at the bottom, section radius successively decrease successively from top to bottom, by being spliced to form conic tube wide at the top and narrow at the bottom above and below attachment means, the end face radius that two groups of neighbouring conical rings fit is identical, every group of conical ring includes several arcs and bores block, on the outer peripheral face of arc cone block several arc flange collars are provided with along axis, the junction arc transition processing of adjacent two arc flange collars, profile undulate, core rod includes locating rod and core pieces, core pieces center is connected with locating rod one end, the inner chamber phase configuration of core pieces and mould.Present invention decreases the fretting wear of pressure quenching mold, the service life of pressure quenching mold is extended.
Description
Technical field
The invention belongs to the technical field that the secondary quenching of high ferro bearing ring parts is heat-treated, more particularly to a kind of high ferro bearing
The pressure quenching mold component of ring.
Background technology
In the secondary quenching heat treatment step of production high ferro bearing ring parts, using with bearing ring parts internal diameters is intact reclines
Pressure quenching mold ensures the circularity of ring after secondary quenching, it is ensured that do not shrink change after the cooling of high ferro bearing ring forging
Shape.In actual production, high ferro bearing ring forging cooling meat is combined closely with pressure quenching mold after press quenching, it is difficult to will
High ferro bearing ring forging is separated with pressure quenching mold.On the other hand, after being used for multiple times, pressure quenching mold is because of fretting wear chi
It is very little to diminish, it is continuing with that the contraction of high ferro bearing ring forging internal diameter can be caused to diminish, it is impossible to ensure high ferro bearing ring forging very well
Dimensional accuracy, reduces pressure quenching mold service life.In addition, the scholar such as Wang Shouren is by pressure quenching mold radial direction module
Change, so reduce the fretting wear of pressure quenching mold, facilitate the separation of pressure quenching mold and high ferro bearing ring parts.But
Be, this modular pressure quenching mould outer surface with high ferro bearer ring inner conical surface is intact fits, it is impossible to suitable in difference
The production of the high ferro bearing ring forging of the conical surface.So, invent a kind of UP suitable for different inner conical surface high ferro bearer rings
Quenching mould is most important.
The content of the invention
It is an object of the invention to provide a kind of pressure quenching mold component of high ferro bearer ring, press quenching mould is reduced
The fretting wear of tool, extends the service life of pressure quenching mold.
The present invention solves the technical scheme that is used of above-mentioned technical problem:A kind of pressure quenching mold of high ferro bearer ring
Component, it is characterised in that including mould and core rod, the mould includes array conical ring wide at the top and narrow at the bottom, every group of conical ring bag
Several arc cone blocks are included, array conical ring is by being spliced to form conic tube wide at the top and narrow at the bottom, array taper above and below attachment means
The section radius of ring successively decrease successively from top to bottom, and the end face radius that two groups of neighbouring conical rings fit is identical, the arc
Several arc flange collars are provided with along axis on the outer peripheral face of shape cone block, the junction arc transition of adjacent two arc flange collars is handled,
Arc bores the profile undulate of block, and the core rod includes locating rod and core pieces, the core pieces center and the positioning
Bar one end is connected, the inner chamber phase configuration of core pieces and mould.
By such scheme, the core pieces are successively decreased conical blocks successively from top to bottom including several section radius, described several
Conical blocks are provided with central through hole, and the conical blocks center of bottom is fixedly linked with described locating rod one end, and remaining conical blocks leads to
Cross central through hole to socket-connect with locating rod, and can be slided up and down along locating rod.
By such scheme, the attachment means include several outer cranses and interior cranse, and the outer cranse is located at described adjacent
The outer wall junction of two groups of conical rings, the interior cranse is located at the inwall junction of the two adjacent groups conical ring.
By such scheme, circumferentially uniform intervals are provided with several notches, top for the upper surface of the top tapered ring of the mould
Backstop platform is provided with the outside of the top edge of portion's conical ring.
The beneficial effects of the invention are as follows:The present invention provides a kind of pressure quenching mold component of high ferro bearer ring, by high ferro
The radial and axial modularization of bearer ring pressure quenching mold, array conical ring is by inside and outside cranse spicing forming type, and interior cranse is to mould
Stress is opened in tool application, each arc is bored block formation gap mould and opens in advance, mould closed-gap is eliminated in the demoulding, convenient
Mould is smoothly deviate from, and reduces abrasion;Pressure quenching mold is put into by high ferro bearing ring parts endoporus, mould outer cone by robotic arm pawl
Face is reclined with high ferro bearer ring inner conical surface, and linear contact lay is formed between arc flange collar and inner conical surface, is easy to the demoulding, reduces abrasion;Will
The core pieces of piecemeal are put into pressure quenching mold endoporus by locating rod, core pieces is slided along pressure quenching mold inner conical surface
It is close to pressure quenching mold, realizes that the high ferro bearing ring forging of different inner diameters is secondary by the conical core rod number of blocks of change and quench
Fire, adjustment is flexible, and the scope of application is wider.
Brief description of the drawings
Fig. 1 is the axonometric drawing of the mould of one embodiment of the invention.
Fig. 2 removes the front view of attachment means for the mould of one embodiment of the invention.
Fig. 3 is the axonometric drawing of the core rod of one embodiment of the invention.
Fig. 4 is the die assembly of one embodiment of the invention and the assembling schematic diagram of high ferro bearer ring.
Wherein:1- moulds;2- core rods;3- high ferro bearer rings;4- conical rings;5- arcs bore block;6- arc flange collars;7- is positioned
Bar;8- core pieces;The outer cranses of 9-;Cranse in 10-;11- notches;12- backstop platforms.
Embodiment
To more fully understand the present invention, the invention will be further described with reference to the accompanying drawings and examples.
A kind of pressure quenching mold component of high ferro bearer ring, including mould 1 and core rod 2, mould are included in array under width
Narrow conical ring 4, every group of conical ring includes several arcs and bores block 5, array conical ring by being spliced to form above and below attachment means on
Narrow conic tube under width, the section radius of array conical ring successively decrease successively from top to bottom, two groups of neighbouring conical ring phases
The end face radius of laminating is identical, and several arc flange collars 6, adjacent two arc flange collars are provided with along axis on the outer peripheral face of arc cone block
The processing of junction arc transition, arc bores the profile undulate of block, and core rod includes locating rod 7 and core pieces 8, core pieces
Center is connected with locating rod one end, the inner chamber phase configuration of core pieces and mould.
Core pieces are successively decreased conical blocks successively from top to bottom including several section radius, and the center that is provided with of several conical blocks leads to
Hole, conical blocks center and locating rod one end of bottom are fixedly linked, and remaining conical blocks is nested by central through hole with locating rod
Connect, and can be slided up and down along locating rod.
Attachment means include several outer cranses 9 and interior cranse 10, and outer cranse is connected located at the outer wall of two adjacent groups conical ring
Place, plays a part of conical ring being connected, and interior cranse is located at the inwall junction of two adjacent groups conical ring, after installation, applies
The outside tension force of conical ring is added to, each arc is there is certain interval between boring block, not exclusively laminating.
Circumferentially uniform intervals are provided with several notches 11 for the upper surface of the top tapered ring of mould, facilitate mechanical arm pawl to capture
Backstop platform 12 is provided with the outside of positioning, the top edge of top tapered ring, facilitates mould to deviate from.
When carrying out the quenching of high ferro bearing pressure with the die assembly, the mould opened in advance is put into by robotic arm pawl first
In high ferro bearing ring inner hole, mould male cone (strobilus masculinus) is reclined with high ferro bearer ring inner conical surface, and the core pieces of piecemeal are put into mould
In conical bore, by adjusting the quantity of core pieces to adapt to the mould of different inner diameters, core pieces are made to be slided along mould internal conical surface
It is dynamic to be close to compress, carry out the quenching process of high ferro bearer ring;
After the completion of the quenching of high ferro bearer ring, core rod is taken out by robotic arm pawl, robotic arm pawl is inserted fixed in notch
Position applies inside closing force to mould closes mould, and gap is produced between mould and high ferro bearer ring, now by mould with
High ferro bearer ring, which departs from, to be taken out, and this method avoid the fretting wear between mould and high ferro bearing ring forging, extends mould
Service life
Examples detailed above is only the example demonstration to validity of the present invention and feasibility, not makees any formal to the present invention
Limitation, any specific simple change of every operation principle institute embodiment according to the present invention, equivalent variations and modification, still
It is within the scope of the present invention.
Claims (4)
1. a kind of pressure quenching mold component of high ferro bearer ring, it is characterised in that including mould and core rod, the mould includes
Array conical ring wide at the top and narrow at the bottom, every group of conical ring includes several arcs and bores block, and array conical ring above and below attachment means by spelling
Connect to form conic tube wide at the top and narrow at the bottom, the section radius of array conical ring successively decrease successively from top to bottom, neighbouring two groups
The end face radius that conical ring fits is identical, and several arc flange collars are provided with along axis on the outer peripheral face of the arc cone block, adjacent
The junction arc transition processing of two arc flange collars, arc bores the profile undulate of block, and the core rod includes locating rod
And core pieces, the core pieces center is connected with described locating rod one end, the inner chamber phase configuration of core pieces and mould.
2. the pressure quenching mold component of a kind of high ferro bearer ring according to the claims 1, it is characterised in that described
Core pieces successively decrease conical blocks successively from top to bottom including several section radius, and several conical blocks are provided with central through hole, bottom
The conical blocks center in portion is fixedly linked with described locating rod one end, and remaining conical blocks is nested by central through hole with locating rod
Connect, and can be slided up and down along locating rod.
3. the pressure quenching mold component of a kind of high ferro bearer ring according to the claims 1, it is characterised in that described
Attachment means include several outer cranses and interior cranse, and the outer cranse is located at the outer wall junction of the two adjacent groups conical ring,
The interior cranse is located at the inwall junction of the two adjacent groups conical ring.
4. the pressure quenching mold component of a kind of high ferro bearer ring according to the claims 1, it is characterised in that described
Circumferentially uniform intervals are provided with several notches for the upper surface of the top tapered ring of mould, and the top edge outside of top tapered ring is provided with
Backstop platform.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201710244320.5A CN107058699B (en) | 2017-04-14 | 2017-04-14 | A kind of pressure quenching mold component of high-speed rail bearer ring |
Applications Claiming Priority (1)
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CN201710244320.5A CN107058699B (en) | 2017-04-14 | 2017-04-14 | A kind of pressure quenching mold component of high-speed rail bearer ring |
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CN107058699A true CN107058699A (en) | 2017-08-18 |
CN107058699B CN107058699B (en) | 2018-11-23 |
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CN201710244320.5A Active CN107058699B (en) | 2017-04-14 | 2017-04-14 | A kind of pressure quenching mold component of high-speed rail bearer ring |
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109722515A (en) * | 2018-11-22 | 2019-05-07 | 王德伟 | A kind of pressing mold |
CN109943694A (en) * | 2018-03-08 | 2019-06-28 | 王德伟 | Pressing mold |
CN109943702A (en) * | 2018-03-08 | 2019-06-28 | 王德伟 | Rolling quenching system |
CN112080626A (en) * | 2020-09-23 | 2020-12-15 | 尤梦宇 | Positioning jig for quenching large bearing ring |
CN112111632A (en) * | 2020-09-23 | 2020-12-22 | 尤梦宇 | Use method of positioning jig for quenching large bearing ring |
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CN1863931A (en) * | 2003-10-06 | 2006-11-15 | Ntn株式会社 | Thin-walled part producing method, bearing raceway ring, thrust needle roller bearing, rolling bearing raceway ring producing method, rolling bearing raceway ring, and rolling bearing |
CN2700335Y (en) * | 2004-04-30 | 2005-05-18 | 洛阳轴承集团有限公司 | Assembling movable die for bearing ring heat treatment |
CN101014432A (en) * | 2004-09-03 | 2007-08-08 | 詹弗兰科·帕索尼 | Method and device for producing a mechanical part, in particular a bearing ring and a part produced by said method |
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CN201424494Y (en) * | 2009-06-19 | 2010-03-17 | 洛阳Lyc轴承有限公司 | Semi-automatic carburizing and quenching die for heat treatment of bearing ring |
CN101775480A (en) * | 2010-03-01 | 2010-07-14 | 洛阳轴研科技股份有限公司 | Control method for preventing deformation in quenching process of 9Cr18 thin-wall bearing ring |
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CN105945096A (en) * | 2016-05-20 | 2016-09-21 | 中航工业哈尔滨轴承有限公司 | Bearing ring shaping device and method |
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Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
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CN109943694A (en) * | 2018-03-08 | 2019-06-28 | 王德伟 | Pressing mold |
CN109943702A (en) * | 2018-03-08 | 2019-06-28 | 王德伟 | Rolling quenching system |
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CN112080626A (en) * | 2020-09-23 | 2020-12-15 | 尤梦宇 | Positioning jig for quenching large bearing ring |
CN112111632A (en) * | 2020-09-23 | 2020-12-22 | 尤梦宇 | Use method of positioning jig for quenching large bearing ring |
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Publication number | Publication date |
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