CN106270317A - Double-piece cold rolling moulding process and mould - Google Patents

Double-piece cold rolling moulding process and mould Download PDF

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Publication number
CN106270317A
CN106270317A CN201610680270.0A CN201610680270A CN106270317A CN 106270317 A CN106270317 A CN 106270317A CN 201610680270 A CN201610680270 A CN 201610680270A CN 106270317 A CN106270317 A CN 106270317A
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CN
China
Prior art keywords
cold rolling
wheel
double
mould
circularity
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.)
Pending
Application number
CN201610680270.0A
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Chinese (zh)
Inventor
周红刚
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
HUANGSHI HATEBUR PRECISE FORGING Co Ltd
Original Assignee
HUANGSHI HATEBUR PRECISE FORGING Co Ltd
Priority date (The priority date 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 date listed.)
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Application filed by HUANGSHI HATEBUR PRECISE FORGING Co Ltd filed Critical HUANGSHI HATEBUR PRECISE FORGING Co Ltd
Priority to CN201610680270.0A priority Critical patent/CN106270317A/en
Publication of CN106270317A publication Critical patent/CN106270317A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21HMAKING PARTICULAR METAL OBJECTS BY ROLLING, e.g. SCREWS, WHEELS, RINGS, BARRELS, BALLS
    • B21H1/00Making articles shaped as bodies of revolution
    • B21H1/06Making articles shaped as bodies of revolution rings of restricted axial length
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21HMAKING PARTICULAR METAL OBJECTS BY ROLLING, e.g. SCREWS, WHEELS, RINGS, BARRELS, BALLS
    • B21H1/00Making articles shaped as bodies of revolution
    • B21H1/06Making articles shaped as bodies of revolution rings of restricted axial length
    • B21H1/12Making articles shaped as bodies of revolution rings of restricted axial length rings for ball or roller bearings

Abstract

The invention discloses a kind of double-piece cold rolling moulding process and mould, moulding process comprises the following steps: 1) blanking;2) cold rolling to model: two blanks are started simultaneously at cold rolling deformation and is rolled into cold rolling part;3) measurement puts in place: uses two measuring probes to carry out cold rolling part and processes the detection whether put in place;4) blanking: the cold rolling part two processing put in place leaves processing stations simultaneously.Mould includes that two blanking mechanical hands, cold rolling wheel, cold rolling mandrel, two support wheels, intermediate supports wheel, circularity are taken turns and two measuring probes, the die cavity of cold rolling wheel is dual-trench type design, the double flute rolling molding that two blanks are placed between the cold rolling wheel of cold rolling mould and cold rolling mandrel, two support wheel, intermediate supports wheel for the pressure to the applying equilibrium of cold rolling mandrel, the control of circularity during assisting blank forming to be cold rolling part of circularity wheel.Present invention achieves two blanks of same model to produce, working (machining) efficiency is double simultaneously.

Description

Double-piece cold rolling moulding process and mould
Technical field
The present invention relates to the cold rolling field of plastic deformation, be specifically related to a kind of double-piece cold rolling moulding process and shaping mould Tool.
Background technology
Cold rolling processing be a kind of less, without cutting new technology, owing to precise cold rolling can make workpiece shape to greatest extent Shape and precision are close to the shape of fabricated part and precision, and can significantly improve the inherent quality of workpiece, and countries in the world are all causing Power is in the developmental research of cold rolling technology, and actual application in batch production.Cold rolling such as FORMFIO company of Britain produces Line, the EMB type closing molding staving press cold rolling production line of Aktiebolaget SKF of Germany, the URWA type that Germany's treasured flies spiral shell (Ahmedabad Du is originally) is complete Automatic shaft bearing ring cold rolling machine, the CRF type cold rolling machine etc. of Japan's common prosperity, wherein Germany and the equipment bearing industry at home of Japan Existing a small amount of introduction.Along with the development of domestic technique, there is a lot of enterprise can make various types of cold rolling machine, size model Enclosing and be extended to 350mm, meanwhile, the concern of cold rolling technology is continuously increased by each application enterprise, and cold rolling technology the most progressively obtains Extensively application, manufacture field is progressively extended to the high-end part field such as automobile, Aero-Space, military project from bearing part.Therefore Solve the operation principle of cold rolling, technique and existing strengths and weaknesses, contribute to enterprise and the application of cold rolling is made correctly Select.
Above-mentioned described cold rolling to model mode is all the fabrication cycles of a part, and working (machining) efficiency is not high enough.If able to Circulate at one and successfully realize the molding of two pieces part and then can be greatly improved working (machining) efficiency, reduce human cost.The most how Carrying out Selection and Design cold rolling technology and mould is the key issue that technical staff is to be solved, part type selecting and technological design are bad Or unreasonable, then cannot be stable by cold for finished product rolling molding.
Summary of the invention
The technical problem to be solved in the present invention is, for existing cold rolling to model above shortcomings, it is provided that a kind of double-piece Cold rolling moulding process and mould, two blanks of same model produce simultaneously, it is achieved that working (machining) efficiency double.
The present invention solves that above-mentioned technical problem be the technical scheme is that
Double-piece cold rolling moulding process, comprises the following steps:
1) blanking: the station that two blanks simultaneously enter cold rolling mould carries out cold rolling processing;
2) cold rolling to model: two blanks are started simultaneously at cold rolling deformation and is rolled into cold rolling part;
3) measurement puts in place: uses two measuring probes to carry out cold rolling part and processes the detection whether put in place;
4) blanking: the cold rolling part two processing put in place leaves processing stations simultaneously.
By such scheme, described cold rolling mould include two blanking mechanical hands, cold rolling wheel, cold rolling mandrel, two Supporting wheel, circularity wheel and two measuring probes, the die cavity of cold rolling wheel is dual-trench type design, and two blanks are placed into cold rolling molding Double flute rolling molding between cold rolling wheel and the cold rolling mandrel of mould, two support wheel for applying the pressure of equilibrium to cold rolling mandrel Power, cold rolling mandrel, under the feeding supporting wheel, allows two blanks progressively carry out plastic deformation, and circularity wheel is used for assisting blank forming For the control of circularity during cold rolling part;Blank is deformed to certain size and is i.e. shaped to cold rolling part, and two measuring probes detect Behind setting position (put in place size), stopping supporting the feeding of wheel, cold rolling part molding terminates, and cold rolling part starts blanking.
By such scheme, described step 1) in, blank size design before cold rolling particularly as follows:
According to the cold rolling part of design, calculating the volume of cold rolling part, foundation Plastic Forming constancy of volume principle, cold rolling are normal By rolling than parameter: 1.15-1.45, cold rolling part and blank height these 3 conditions basically identical, design the shape of blank before cold rolling Shape.
By such scheme, described step 2) in, the size of cold rolling part is for increase at its periphery according to fabricated part size Add surplus to obtain.
By such scheme, described cold rolling part is annular element, external diameter surplus be fabricated part outside dimension increase 0.6~ 0.7mm, internal diameter surplus is that fabricated part internal diameter size reduces 0.75~0.85mm, and height dimension increases by 0.8~0.9mm.
Present invention also offers a kind of double-piece cold rolling mould, including two blanking mechanical hands, cold rolling wheel, cold rolling core Axle, two support wheels, intermediate supports wheel, circularity are taken turns and two measuring probes, and the die cavity of cold rolling wheel is dual-trench type design, two bases Part is placed into the double flute rolling molding between the cold rolling wheel of cold rolling mould and cold rolling mandrel, and two support wheel, centre Support wheel is for the pressure applying to equalize to cold rolling mandrel, the control of circularity during assisting blank forming to be cold rolling part of circularity wheel System;Two measuring probes are for two blank formings of detection to after being sized, and to one signal of control system, control system is stopped Only supporting the feeding of wheel, cold rolling part molding terminates, and two blanking mechanical hands are for the cold rolling part blanking after molding.
The operation principle of the present invention: rolling process is that two pieces blank is processed simultaneously, once produces two products;The cold rolling of mould The double Blanking cavity design of wheel, it is simple to two pieces blank is processed simultaneously;Intermediate supports wheel increases when necessary, can give the spreading power of necessity, Prevent cold rolling mandrel unbalance stress from rapid wear problem occurring simultaneously;Circularity takes turns the design of split if desired, can add single blank respectively Circularity tapering during work is adjusted.Measuring probe carries out the measurement of two blank formings simultaneously, according to circumstances may be used simultaneously Put in place condition arranging processing, it is achieved loading and unloading action is to produce continuously.
Compared with prior art, the invention has the beneficial effects as follows: common cold rolling molding mode is substantially one one The processing of part, ibid, part blanking, cold rolling, measurement, blanking complete a fabrication cycles to step, and different processing parts is The design of end form shape is different from the blank design before processing, and the present invention is in existing technique and machine foundation, by transformation Improve, it is achieved that the effect that two blanks of same model produce simultaneously, allow an original cycle of operation can produce two parts, It is achieved thereby that working (machining) efficiency is double.
Accompanying drawing explanation
Fig. 1 is the finished product structure schematic diagram of existing conventional cold rolling to model technique;
Fig. 2 is the blank structural representation of existing conventional cold rolling to model technique;
Fig. 3 is existing conventional cold rolling mould assembling figure;
Fig. 4 is double-piece of the present invention cold rolling mould assembling figure;
Fig. 5 is the front view of Fig. 4;
In figure, the cold rolling wheel of 1-, 2-cold rolling mandrel, 3-supports wheel, 4-blank, and 5-intermediate supports is taken turns, and 6-circularity is taken turns, and 7-measures Probe.
Detailed description of the invention
Below in conjunction with the accompanying drawings the New Process of the present invention is described further, but can not constitute work of the present invention The restriction of skill, and the present invention remaining do not explain part all the most consistent with prior art.
Fig. 1 is the finished product structure schematic diagram of existing conventional cold rolling to model technique, is finished size in Fig. 1 bracket, cold rolling Part size design is i.e. increase surplus on the basis of finished size;Fig. 2 is the blank knot of existing conventional cold rolling to model technique Structure schematic diagram, blank, according to constancy of volume principle and highly consistent condition, chooses rolling ratio 1.35;Can calculate in blank Footpath about 43mm, can draw the concrete size of blank in conjunction with forging draw taper.
Fig. 3 is existing conventional cold rolling mould assembling figure, including cold rolling wheel 1, cold rolling mandrel 2, supports wheel 3, and blank 4 is put Put rolling molding between the cold rolling wheel 1 of cold rolling mould and cold rolling mandrel 2, support wheel 3 for applying to cold rolling mandrel 2 The pressure of equilibrium.
With reference to shown in Fig. 4~Fig. 5, double-piece of the present invention cold rolling mould, including two blanking mechanical hands, cold Rolling wheel 1, cold rolling mandrel 2, two support wheel 3, intermediate supports wheel 5, circularity wheel 6 and two measuring probes 7, the die cavity of cold rolling wheel 1 Being dual-trench type design, two blanks 4 are placed into the double flute between cold rolling wheel 1 and the cold rolling mandrel 2 of double-piece cold rolling mould Rolling molding, two support wheels 3, intermediate supports wheels 5 for applying the pressure of equilibrium to cold rolling mandrel 2, and circularity is taken turns 6 and is used for assisting Blank 4 is shaped to the control of circularity during cold rolling part;Two measuring probes 7 are worked into setting chi for two blanks 4 of detection After very little, to one signal of control system, control system stops supporting wheel 3 and the feeding of intermediate supports wheel 5, and cold rolling part molding is tied Bundle, two blanking mechanical hands are for the cold rolling part blanking after molding.
Double-piece of the present invention cold rolling moulding process, comprises the following steps:
1) blanking: two blanks 4 are simultaneously entered the station of double-piece cold rolling mould and carries out cold rolling processing, two Blank 4 is placed into the double flute rolling molding between the cold rolling wheel 1 of cold rolling mould and cold rolling mandrel 2, two support wheel 3, Intermediate supports wheel 5 for applying the pressure of equilibrium to cold rolling mandrel 2, and cold rolling mandrel 2 is supporting wheel 3, the feeding of intermediate supports wheel 5 Under, allow two blanks 2 progressively carry out plastic deformation, circularity wheel 6 (split designs if desired) are used for assisting blank 4 to be shaped to cold rolling The control of circularity during part;
2) cold rolling to model: two blanks 4 are started simultaneously at cold rolling deformation and is rolled into cold rolling part (blank is deformed to certain size I.e. it is shaped to cold rolling part);
3) measurement puts in place: uses two measuring probes 7 to carry out cold rolling part and processes the detection whether put in place, two measuring probes 7 detect setting position after (put in place size), to one signal of control system of machine, machine power system stops supporting wheel 3 Feeding, cold rolling part molding terminates;
4) blanking: the cold rolling part two processing put in place leaves processing stations simultaneously.
Step 1) in, blank 4 size design before cold rolling is particularly as follows: according to the cold rolling part designed, calculate the body of cold rolling part Long-pending, commonly use rolling than parameter according to Plastic Forming constancy of volume principle, cold rolling: 1.2, cold rolling part and blank 4 the most basic Cause this 3 conditions, design the shape of blank 4 before cold rolling.
Step 2) in, the size of cold rolling part obtains for increasing surplus according to fabricated part size at its periphery.
In embodiment, cold rolling part is annular element, and external diameter surplus is that fabricated part outside dimension increases 0.6~0.7mm, internal diameter Surplus is that fabricated part internal diameter size reduces 0.75~0.85mm, and height dimension increases by 0.8~0.9mm, and this is modal cold Roll over blank design and shape;The cold rolling part of the slightly complicated shape of part is mainly designed to some areas (such as external diameter, internal diameter, spy Different type groove etc.) use circular sliding slopes or allow cold rolling blank shapes substantially coincide fabricated part shape.
Present invention process equipment needs extra quality road, in order to the Flow of Goods and Materials of the cold rolling of double-piece, under the transmission of mechanical hand, once Can lower two blanks 4, once can go out two cold rolling parts after cold rolling, measurement crucial in control system sets important, uses Minimum outer diameter control methods: i.e. measure the minimum outer diameter after gauge head 7 detects cold rolling to model and stop forming process, machine after setting value Device enters blanking process.
Rolling process is that two pieces blank 4 is processed simultaneously, once produces two products;1 pair of Blanking cavity design of the cold rolling wheel of mould, just Process in two pieces blank 4 simultaneously;Intermediate supports wheel 5 increases when necessary, can give the spreading power of necessity, prevent cold rolling core simultaneously There is rapid wear problem in axle 2 unbalance stress;The design of split if desired of circularity wheel 6, can be respectively to the circle in single blank 4 course of processing Degree tapering is adjusted.Measuring probe 7 carries out the measurement of two blank 4 processing simultaneously, according to circumstances can arrange processing simultaneously Put in place condition, it is achieved loading and unloading action is to produce continuously.
Embodiment described above adds the preferable enforcement of cold rolling lasso processing technology, the only present invention from Balance mechanism Example, not in order to limit the present invention, the present invention is not limited to Balance mechanism or bearing industry, all spirit in the present invention Any amendment, equivalent and improvement etc. with being made within principle, should be included within the scope of the present invention.

Claims (6)

1. double-piece cold rolling moulding process, it is characterised in that comprise the following steps:
1) blanking: the station that two blanks simultaneously enter cold rolling mould carries out cold rolling processing;
2) cold rolling to model: two blanks are started simultaneously at cold rolling deformation and is rolled into cold rolling part;
3) measurement puts in place: uses two measuring probes to carry out cold rolling part and processes the detection whether put in place;
4) blanking: the cold rolling part two processing put in place leaves processing stations simultaneously.
Double-piece the most according to claim 1 cold rolling moulding process, it is characterised in that described cold rolling mould includes Two blanking mechanical hands, cold rolling wheel, cold rolling mandrel, two support wheels, intermediate supports wheel, circularity are taken turns and two measuring probes, cold The die cavity of rolling wheel is dual-trench type design, and it is double that two blanks are placed between the cold rolling wheel of cold rolling mould and cold rolling mandrel Groove rolling molding, two support wheels, intermediate supports wheels are supporting wheel for the pressure applying to equalize to cold rolling mandrel, cold rolling mandrel Feeding under, allow two blanks progressively carry out plastic deformation, it is circularity during cold rolling part that circularity wheel is used for assisting blank forming Control;Blank is deformed to certain size and is i.e. shaped to cold rolling part, after two measuring probes detect setting position, stops supporting The feeding of wheel, cold rolling part molding terminates, and cold rolling part starts blanking.
Double-piece the most according to claim 1 cold rolling moulding process, it is characterised in that described step 1) in, base before cold rolling Part size design particularly as follows:
According to the cold rolling part of design, calculate the volume of cold rolling part, according to Plastic Forming constancy of volume principle, the conventional rolling of cold rolling Expand than parameter: 1.15-1.45, cold rolling part and blank height these 3 conditions basically identical, design the shape of blank before cold rolling.
Double-piece the most according to claim 1 cold rolling moulding process, it is characterised in that described step 2) in, cold rolling part A size of increase surplus according to fabricated part size at its periphery to obtain.
Double-piece the most according to claim 4 cold rolling moulding process, it is characterised in that described cold rolling part is annular element, outward Footpath surplus be fabricated part outside dimension increase 0.6~0.7mm, internal diameter surplus be fabricated part internal diameter size reduce 0.75~ 0.85mm, height dimension increases by 0.8~0.9mm.
6. a double-piece cold rolling mould, it is characterised in that include two blanking mechanical hands, cold rolling wheel, cold rolling mandrel, two Individual support wheel, circularity wheel and two measuring probes, the die cavity of cold rolling wheel is dual-trench type design, and two blanks are placed into cold rolling Double flute rolling molding between cold rolling wheel and the cold rolling mandrel of mould, two support wheel for applying equilibrium to cold rolling mandrel Pressure, the control of circularity during assisting blank forming to be cold rolling part of circularity wheel;Two measuring probes are for detection two Blank forming is to after being sized, and to one signal of control system, control system stops supporting the feeding of wheel, and cold rolling part molding is tied Bundle, two blanking mechanical hands are for the cold rolling part blanking after molding.
CN201610680270.0A 2016-08-17 2016-08-17 Double-piece cold rolling moulding process and mould Pending CN106270317A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610680270.0A CN106270317A (en) 2016-08-17 2016-08-17 Double-piece cold rolling moulding process and mould

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Application Number Priority Date Filing Date Title
CN201610680270.0A CN106270317A (en) 2016-08-17 2016-08-17 Double-piece cold rolling moulding process and mould

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Publication Number Publication Date
CN106270317A true CN106270317A (en) 2017-01-04

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108555197A (en) * 2018-05-03 2018-09-21 江苏翔能科技发展有限公司 Monolithic base multi-disc assembling process and the blanking device and molding die for being applicable in it

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201008932Y (en) * 2006-05-27 2008-01-23 李郑凯 Off-centering supporting wheel shaft mechanism of cooling ring roller
CN101829745A (en) * 2010-04-23 2010-09-15 武汉理工大学 Cold ring rolling forming method for double-flute section ring
CN202377448U (en) * 2011-11-21 2012-08-15 江绍成 Multifunctional horizontal ring rolling machine
CN104001843A (en) * 2013-02-21 2014-08-27 Skf公司 A cold rolling method for forming bearing rings
CN105522083A (en) * 2016-02-18 2016-04-27 徐�明 Double-station horizontal type digital control ring rolling machine tool
CN205200424U (en) * 2015-12-09 2016-05-04 湖州以创精工机械有限公司 Can two ring rollss that encircle piece of simultaneous processing
CN105562568A (en) * 2015-12-16 2016-05-11 青岛衡均锻压机械有限公司 Vertical rolling expansion machine and rolling expansion method

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201008932Y (en) * 2006-05-27 2008-01-23 李郑凯 Off-centering supporting wheel shaft mechanism of cooling ring roller
CN101829745A (en) * 2010-04-23 2010-09-15 武汉理工大学 Cold ring rolling forming method for double-flute section ring
CN202377448U (en) * 2011-11-21 2012-08-15 江绍成 Multifunctional horizontal ring rolling machine
CN104001843A (en) * 2013-02-21 2014-08-27 Skf公司 A cold rolling method for forming bearing rings
CN205200424U (en) * 2015-12-09 2016-05-04 湖州以创精工机械有限公司 Can two ring rollss that encircle piece of simultaneous processing
CN105562568A (en) * 2015-12-16 2016-05-11 青岛衡均锻压机械有限公司 Vertical rolling expansion machine and rolling expansion method
CN105522083A (en) * 2016-02-18 2016-04-27 徐�明 Double-station horizontal type digital control ring rolling machine tool

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108555197A (en) * 2018-05-03 2018-09-21 江苏翔能科技发展有限公司 Monolithic base multi-disc assembling process and the blanking device and molding die for being applicable in it

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Application publication date: 20170104