CN107116166A - A kind of sleeve processing device and technique - Google Patents

A kind of sleeve processing device and technique Download PDF

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Publication number
CN107116166A
CN107116166A CN201710240330.1A CN201710240330A CN107116166A CN 107116166 A CN107116166 A CN 107116166A CN 201710240330 A CN201710240330 A CN 201710240330A CN 107116166 A CN107116166 A CN 107116166A
Authority
CN
China
Prior art keywords
sleeve
punch
die sleeve
cooling water
lubricant
Prior art date
Application number
CN201710240330.1A
Other languages
Chinese (zh)
Inventor
李书益
肖长慎
张宏静
郑大林
周晋华
Original Assignee
宜昌华益工具制造股份有限公司
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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Priority to CN2016112407677 priority Critical
Priority to CN201611240767 priority
Application filed by 宜昌华益工具制造股份有限公司 filed Critical 宜昌华益工具制造股份有限公司
Publication of CN107116166A publication Critical patent/CN107116166A/en

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21JFORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J3/00Lubricating during forging or pressing
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21JFORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J5/00Methods for forging, hammering, or pressing; Special equipment or accessories therefor
    • B21J5/02Die forging; Trimming by making use of special dies ; Punching during forging
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21KMAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
    • B21K29/00Arrangements for heating or cooling during processing

Abstract

A kind of sleeve processing device and technique, mainly including processing technology, the problem of existing for the high warm forging of conventional metals sleeve is changed to middle warm forging, and by temperature control in the range of 500 600 DEG C, reduces deformation, reduces high temperature and waste, and improves the quality of product.

Description

A kind of sleeve processing device and technique
Technical field
The present invention relates to automotive service equipement field, especially a kind of sleeve processing device and technique.
Background technology
Metal sleeve is automobile protection and repaired;Machine-building process is dismantled and a kind of specific purpose tool of clamp nut, it Main material uses 45 ﹟ steel, 40Cr, 42CrMo etc., and traditional handicraft is heated to 1100-1200 DEG C of progress forging molding, These materials are just also easy to produce iron scale more than 830 DEG C, and the easy size modification of product of forging, precision is influenceed very by equipment precision Greatly.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of sleeve processing device and technique, can realize temperature to sleeve Forging, it is to avoid product produces oxidation decortication, and smooth in appearance.
In order to solve the above technical problems, the technical solution adopted in the present invention is:
A kind of sleeve processing device, including hydraulic press, hydraulic press are provided with upper punch and low punch, and low punch 2 is provided with preheating It is provided with plate, the upper punch and forces barrel, the low punch is arranged in cavity plate and bottom is provided with liftout set;The upper punch Side is provided with the first lubricant pipe, and the low punch side is provided with cooling water pipeline, the second lubricant pipe, above and below Cooling and lubrication carry out warm forging to sleeve.
The upper punch and low punch use mould steel H13, W6Mo5Cr4V2 or 3Cr2W8v.
First lubricant pipe, cooling water pipeline, the second lubricant pipe are realized certainly by magnetic valve and controller Dynamic control.
A kind of sleeve processing technology, comprises the following steps:
First, prepare before warm forging:
1), according to product specification, corresponding die sleeve and drift are installed, it is ensured that the axiality ﹤ 0.3 of upper and lower drift.
2), respectively plug into cooling water pipe, lubrication liquid pipe and confirm plug into it is errorless.
3), close die sleeve cooling water valve, open cooling water pump.
4), stirring lubricating fluid, make the bucket bottom of splendid attire lubricating fluid without precipitation.Then it is appropriate to open air valve, with compressed air come Stir lubricating fluid, it is to avoid precipitation.It is noted that add water simultaneously during addition lubricant, its volume ratio is 1 ~ 2:7~8.
2nd, warm forging is operated:
1), start the motor of oil pump 1, after the motor operation of oil pump 1 is normal, restart the motor of oil pump 2.
2), mode of operation selecting switch is put to " manual " position, be then separately operable the rising of master cylinder and lower cylinder with Drop, observes whether each cylinder has corresponding action, and confirms whether the action reaches the travel position specified.
3), mode of operation selecting switch is put to " automatic " position, then press both hands button, allow the unloaded test run of hydraulic press OK, the run action of each cylinder is observed, if meet setting program requirement, and can the travel position of action meet warm extrusion die pressing product Specification requirement.Also have whether observation lubricant automatic spraying device realizes automatic spray function in addition.
4), preheating die sleeve, die sleeve temperature is reached 180 DEG C ~ 220 DEG C, it is to avoid die sleeve material because temperature swash drastic change drop Low service life.Die sleeve will close die sleeve cooling water valve when preheating.
5), start compacting, by bar with intermediate frequency furnace fast heating to 750 DEG C ~ 820 DEG C, then with specific purpose tool will Bar is quickly put into die sleeve presses rapidly both hands button again, and hydraulic press completes product compacting by setup program.
6), operator quickly remove product, repeated after automatic spraying device completes mold lubrication and cooling task State operation.
7), examine, start compacting and pressing process in, will repeated examinations product parameters whether meet drawing will Ask.Otherwise must mode transfer again.
The 4 of the step 2)、5)In die sleeve temperature be 202 DEG C, bar temperature be 790 DEG C.
The 6 of the step 2)Middle automatic spraying device will open die sleeve cooling water valve rapidly after 1 ~ 2 product is suppressed Door, gives mould cooling.
A kind of sleeve processing device of the present invention and technique, with following technique effect:
1), save the energy:Conventional sleeve forging technology is temperature control after 1100-1200 DEG C, then to carry out forging molding.Through After up to a hundred Adjustment Tests, innovation transformation, by the way that bar is heated into 750 DEG C ~ 820 DEG C, and die sleeve is preheating to 180 DEG C ~ 220 DEG C, then forging molding is carried out, and so not only avoid equipment and materials from reducing service life because temperature swashs drastic change, and reduction adds Heat, saves electricity 30%.
2), oxide skin it is few, reduce decarburizing layer:By the lubrication to mould and cooling, make bar control in suitable middle temperature In section, steel blank is short in the electric furnace hall time, reduces because heating produces decarburizing layer, is less also easy to produce oxide skin, product appearance light Pool, forging defect are few, and the 5-10% that saves material.
3), become that molded dimension is small, precision is high:Product(Sleeve)Middle warm forging is made in technical process, because die sleeve is preheating in advance 200 DEG C, and the middle temperature heating of bar, so not only avoid die sleeve material from reducing service life because temperature drastically changes, while rod Expect that thermal change type is small, product(Sleeve)Size modification amount is small, so as to improve product size precision.
Brief description of the drawings
The invention will be further described with reference to the accompanying drawings and examples:
Fig. 1 is schematic diagram of the invention.
Fig. 2 is the close-up schematic view at A in Fig. 1.
Fig. 3 is the close-up schematic view at B in Fig. 1.
Fig. 4 is the schematic diagram of the sleeve manufactured.
In figure:Upper punch 1, low punch 2 forces barrel 3, cavity plate 4, liftout set 5, the first lubricant pipe 6, cooling water pipeline 7, the second lubricant pipe 8, drift fixed block 9, punch holder 10 encloses 11, die holder 12 outside cavity plate admittedly.
Embodiment
As Figure 1-3, a kind of sleeve processing device, including hydraulic press, hydraulic press is provided with upper punch 1 and low punch 2, It is provided with the upper punch 1 and forces barrel 3, the low punch 2 is arranged in cavity plate 4 and bottom is provided with liftout set 5, liftout set 5 Using resistant to elevated temperatures forged die sleeve, by forcing barrel 3 to position, sleeve upper end forging forming is realized in upper punch punching press;Pass through cavity plate 4 positioning, the punching press of low punch 2, realize sleeve lower end forging forming.Repair and dismantle for convenience, barrel 3 will be forced to be sleeved on upper punching On first 1 it is fixed after, the upper end of upper punch 1 is fixed by drift fixed block 9, punch holder 10, punch holder 10 again with upper hydraulic cylinder Piston rod connection.11 lower ends are enclosed admittedly and cavity plate 4 is then fixedly mounted on outside cavity plate and enclosed admittedly in 11, outside cavity plate provided with die holder 12, top Material set and low punch 2 are arranged in die holder 12 and are connected with lower hydraulic cylinder piston rod.The side of upper punch 1 is provided with the first profit Lubrication prescription pipeline 6, the side of low punch 2 is provided with cooling water pipeline 7, the second lubricant pipe 8, cooling and lubrication above and below Warm forging is carried out to sleeve.
It is special by flowing recirculated water provided with the cooling water pipeline 7 being cycling in and out at cavity plate 4 in order to effectively realize warm forging Negative molding material is avoided to cause high temperature failure because of continuous production in cooling for cavity plate.Second lubrication piping 8 is the first lubrication management The reflux line in road 6.Its meaning is that its liquid stream is flowed vertically to naturally when the first lubrication piping 6 is to 2 spray lubrication agent of upper punch Low punch, such low punch has also filled lubricant.The lubricant produces lubrication and cooling double effects in flowing, while two Person can also be recovered Reusability.
The upper punch 1 and low punch 2 use hot die steel H13, and the material has a good red hardness, and wear-resisting, It is antifatigue, it is adaptable to do stamping material.
First lubricant pipe 6, cooling water pipeline 7, the second lubricant pipe 8 are realized by magnetic valve and controller Automatically control.So interruption can be coordinated to realize automatic cooling and lubricate with forging machine tool.
4th, a kind of sleeve processing technology according to claim 1, it is characterised in that:Comprise the following steps:
First, prepare before warm forging:
1), according to product specification, corresponding die sleeve and drift are installed, it is ensured that the axiality ﹤ 0.3 of upper and lower drift.Otherwise, must be young The centralising device of upper and lower drift carefully is adjusted respectively.
2), respectively plug into cooling water pipe, lubrication liquid pipe and confirm plug into it is errorless.
3), close die sleeve cooling water valve, open cooling water pump.
4), stirring lubricating fluid, make the bucket bottom of splendid attire lubricating fluid without precipitation.Then it is appropriate to open air valve, with compressed air come Stir lubricating fluid, it is to avoid precipitation.It is noted that add water simultaneously during addition lubricant, its volume ratio is 1 ~ 2:7~8.With lubricator For the special aqua aquadag of warm forging, dilution need to be watered when using, the size of concentration is determined by production effect, according to practical experience, Its volume ratio is about 1:When 7, lubricant effect is best.
2nd, warm forging is operated:
1), start the first Oil pump electrical machinery, after the motor operation of the first oil pump is normal, restart the oil of motor first of the second oil pump Pump motor converts electrical energy into high-volume hydraulic energy, drives master cylinder(Upper punch)Quick move down is allowed to be molded so as to suppress bar. Second Oil pump electrical machinery converts electrical energy into low discharge hydraulic energy, the lower cylinder of driving(Liftout cylinder)Rapid increase has been pressed into so as to eject The product of type.
2), mode of operation selecting switch is put to " manual " position, be then separately operable the rising of master cylinder and lower cylinder with Drop, observes whether each cylinder has corresponding action, and confirms whether the action reaches the travel position specified.
3), mode of operation selecting switch is put to " automatic " position, then press both hands button, allow the unloaded test run of hydraulic press OK, the run action of each cylinder is observed, if meet setting program requirement, and can the travel position of action meet warm extrusion die pressing product Specification requirement.Also have whether observation lubricant automatic spraying device realizes automatic spray function in addition.
4), preheating die sleeve, die sleeve temperature is reached 180 DEG C ~ 220 DEG C.In warm, the cooling water closed at die sleeve Pipeline, so, it is to avoid cause unnecessary thermal loss, does not reach the temperature requirement of preheating within the regular hour.
5), start compacting, by bar with intermediate frequency furnace fast heating to 750 DEG C ~ 820 DEG C, then with specific purpose tool will Bar is quickly put into cavity plate presses rapidly operation button again, and hydraulic press completes product compacting by setup program.
6), operator quickly remove product, automatic spraying device will open die sleeve cooling rapidly after 1 ~ 2 product is suppressed Penstock, gives die sleeve cooling.So, it is to avoid die sleeve temperature is increased to 550 DEG C or so and warm forging is failed caused by continuous production.
7), examine, start compacting and pressing process in, whether the parameters of repeated examinations product meet drawing requirement. Otherwise must mode transfer again.
The 4 of the step 2)、5)In die sleeve temperature be 200 DEG C or so, bar temperature be 790 DEG C or so.So complete Into after forging and stamping, the temperature of semi-finished product just reaches control between 500-600 DEG C.

Claims (6)

1. a kind of sleeve processing device, including hydraulic press(1), hydraulic press(1)It is provided with upper punch(1)And low punch(2), undershoot Head(2)It is provided with preheating table, it is characterised in that:The upper punch(1)On be provided with and force barrel(3), the low punch(2)Install In cavity plate(4)Interior and bottom is provided with liftout set(5);The upper punch(1)Side is provided with the first lubricant pipe(6), it is described under Drift(2)Side is provided with cooling water pipeline(7), the second lubricant pipe(8), cooling and lubrication above and below are carried out to sleeve Warm forging.
2. a kind of sleeve processing device according to claim 1, it is characterised in that:The upper punch(1)And low punch(2) Using mould steel H13, W6Mo5Cr4V2 or 3Cr2W8v.
3. a kind of sleeve processing device according to claim 1, it is characterised in that:First lubricant pipe(6), it is cold But waterpipe(7), the second lubricant pipe(8)Realized and automatically controlled by magnetic valve and controller.
4. a kind of sleeve processing technology according to claim 1, it is characterised in that:Comprise the following steps:
First, prepare before warm forging:
1), according to product specification, corresponding die sleeve and drift are installed, it is ensured that the axiality ﹤ 0.3 of upper and lower drift;
2), respectively plug into cooling water pipe, lubrication liquid pipe and confirm plug into it is errorless;
3), close die sleeve cooling water valve, open cooling water pump;
4), stirring lubricating fluid, make the bucket bottom of splendid attire lubricating fluid without precipitation;
Then it is appropriate to open air valve, stir lubricating fluid with compressed air, it is to avoid precipitation;
It is noted that add water simultaneously during addition lubricant, its volume ratio is 1 ~ 2:7~8;
2nd, warm forging is operated:
1), start the motor of oil pump 1, after the motor operation of oil pump 1 is normal, restart the motor of oil pump 2;
2), mode of operation selecting switch is put to " manual " position, be then separately operable the rise and fall of master cylinder and lower cylinder, observe Whether each cylinder has corresponding action, and confirms whether the action reaches the travel position specified;
3), mode of operation selecting switch is put to " automatic " position, then press both hands button, allow the unloaded trial operation of hydraulic press, see Examine the run action of each cylinder, if meet setting program requirement, and can the travel position of action meet the rule of warm extrusion die pressing product Lattice requirement;Also have whether observation lubricant automatic spraying device realizes automatic spray function in addition;
4), preheating die sleeve, die sleeve temperature is reached 180 DEG C ~ 220 DEG C, die sleeve cooling water valve closed when die sleeve is preheated;
5), start compacting, by bar with intermediate frequency furnace fast heating to 750 DEG C ~ 820 DEG C, then with specific purpose tool by bar Quick be put into die sleeve presses rapidly both hands button again, and hydraulic press completes product compacting by setup program;
6), operator quickly remove product, repeat above-mentioned behaviour after automatic spraying device completes mold lubrication and cooling task Make;
7), examine, start in compacting and pressing process, will the parameters of repeated examinations product whether meet drawing requirement; Otherwise must mode transfer again.
5. a kind of sleeve processing technology according to claim 4, it is characterised in that:The 4 of the step 2)、5)In mould Sleeving temperature is 202 DEG C, and bar temperature is 790 DEG C.
6. a kind of sleeve processing technology according to claim 4, it is characterised in that:The 6 of the step 2)Middle automatic spray Device will open die sleeve cooling water valve rapidly after 1 ~ 2 product is suppressed, and give mould cooling.
CN201710240330.1A 2016-12-29 2017-04-13 A kind of sleeve processing device and technique CN107116166A (en)

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Application Number Priority Date Filing Date Title
CN2016112407677 2016-12-29
CN201611240767 2016-12-29

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CN107116166A true CN107116166A (en) 2017-09-01

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109955037A (en) * 2017-12-26 2019-07-02 赖传荣 The manufacturing method of short sleeve

Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4312210A (en) * 1979-03-17 1982-01-26 Kobe Steel Limited Warm forging method for cup-shaped pieces
CN88101709A (en) * 1987-04-01 1988-12-21 株式会社小松制作所 The die lubricant discharger of mould emptier
JPH0489153A (en) * 1990-07-30 1992-03-23 Daido Steel Co Ltd Cold and warm forging method for cylindrical body
JP2007136510A (en) * 2005-11-18 2007-06-07 Honda Motor Co Ltd Forging method
CN103191945A (en) * 2012-01-10 2013-07-10 江苏舒恒管夹制造有限公司 Method and device for high-pressure hydraulic flange plasticity forming
CN104117547A (en) * 2014-07-21 2014-10-29 王元琪 Continuous extrusion die of warm extrusion gear stick and machining method thereof
KR101506404B1 (en) * 2013-12-19 2015-03-26 한성철 clutch jaw manufacture method for rice transplanter
CN204639019U (en) * 2015-05-13 2015-09-16 太仓久信精密模具有限公司 A kind of gear warm forging extrusion molding dies
CN105436371A (en) * 2015-12-23 2016-03-30 太仓久信精密模具股份有限公司 Warm-forging forming process of transmission input shaft
CN105880307A (en) * 2014-09-26 2016-08-24 李书益 Cold extrusion apparatus for molding sleeves
CN206662180U (en) * 2016-12-29 2017-11-24 宜昌华益工具制造股份有限公司 A kind of sleeve processing device

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4312210A (en) * 1979-03-17 1982-01-26 Kobe Steel Limited Warm forging method for cup-shaped pieces
CN88101709A (en) * 1987-04-01 1988-12-21 株式会社小松制作所 The die lubricant discharger of mould emptier
JPH0489153A (en) * 1990-07-30 1992-03-23 Daido Steel Co Ltd Cold and warm forging method for cylindrical body
JP2007136510A (en) * 2005-11-18 2007-06-07 Honda Motor Co Ltd Forging method
CN103191945A (en) * 2012-01-10 2013-07-10 江苏舒恒管夹制造有限公司 Method and device for high-pressure hydraulic flange plasticity forming
KR101506404B1 (en) * 2013-12-19 2015-03-26 한성철 clutch jaw manufacture method for rice transplanter
CN104117547A (en) * 2014-07-21 2014-10-29 王元琪 Continuous extrusion die of warm extrusion gear stick and machining method thereof
CN105880307A (en) * 2014-09-26 2016-08-24 李书益 Cold extrusion apparatus for molding sleeves
CN204639019U (en) * 2015-05-13 2015-09-16 太仓久信精密模具有限公司 A kind of gear warm forging extrusion molding dies
CN105436371A (en) * 2015-12-23 2016-03-30 太仓久信精密模具股份有限公司 Warm-forging forming process of transmission input shaft
CN206662180U (en) * 2016-12-29 2017-11-24 宜昌华益工具制造股份有限公司 A kind of sleeve processing device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109955037A (en) * 2017-12-26 2019-07-02 赖传荣 The manufacturing method of short sleeve

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Application publication date: 20170901