CN103555918B - A kind of non-hardened and tempered steel makes the control-cooling equipment of fractured connecting rod - Google Patents
A kind of non-hardened and tempered steel makes the control-cooling equipment of fractured connecting rod Download PDFInfo
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- CN103555918B CN103555918B CN201310534361.XA CN201310534361A CN103555918B CN 103555918 B CN103555918 B CN 103555918B CN 201310534361 A CN201310534361 A CN 201310534361A CN 103555918 B CN103555918 B CN 103555918B
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- blower fan
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- cooling equipment
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- 238000001816 cooling Methods 0.000 title claims abstract description 37
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 33
- 239000010959 steel Substances 0.000 title claims abstract description 33
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 8
- 239000003607 modifier Substances 0.000 abstract description 3
- 229910000859 α-Fe Inorganic materials 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 4
- 229910001562 pearlite Inorganic materials 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000007664 blowing Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 235000019362 perlite Nutrition 0.000 description 2
- 239000010451 perlite Substances 0.000 description 2
- 238000010583 slow cooling Methods 0.000 description 2
- 208000037656 Respiratory Sounds Diseases 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005242 forging Methods 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000009628 steelmaking Methods 0.000 description 1
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- Heat Treatments In General, Especially Conveying And Cooling (AREA)
- Heat Treatment Of Articles (AREA)
Abstract
The invention discloses the control-cooling equipment that a kind of non-hardened and tempered steel makes fractured connecting rod, in frame, be provided with one article for the first blower fan in word order, the second blower fan, the 3rd blower fan, four fan device and the tendencies machine of carrying the annular conveyer chain of fractured connecting rod and arrange along conveyer chain throughput direction; The blower fan mouth of above-mentioned each blower fan is all positioned at directly over annular conveyer chain and it is just arranged the surface of annular conveyer chain; The second blower fan, the 3rd blower fan, all coordinating with the blower fan mouth place of tendencies machine of four fan device be provided with cage.Connecting rod in the present invention adopts non-hardened and tempered steel, without the need to modifier treatment, simplifies operation; Connecting rod is carried out control by five Fans successively cold to obtain uniform metallographic structure, whole process remains on certain temperature range and the time cools because of quick the internal stress produced to eliminate; Connecting rod enters control-cooling equipment successively, goes out control-cooling equipment successively, and namely single-piece arrangement through type control-cooling equipment, ensures the consistence of product requirements.
Description
Technical field
The present invention relates to Machining of Connecting Rod equipment, particularly a kind of non-hardened and tempered steel makes the control-cooling equipment of fractured connecting rod.
Background technology
Be adopt mechanical means or adopt the pre-crackle of laser beam manufacture at present by the manufacturing technology that connecting rod lid separates, then make it rupture in pre-cracks by specific equipment distending mode, large end link lid is removed from connecting rod body, directly to rupture separately.The beneficial effect done like this is to eliminate a large amount of machining operations, compared with general mechanical workout connecting rod, can investment reduction 25%, and save process cost 35%; What now fractured connecting rod material adopted is non-hardened and tempered steel, this just has strict requirement to the connecting rod metallographic structure of forging, the metallographic structure of connecting rod should be the carbide that ferrite adds perlite and disperse, ferrite content is lower than 10%, mean grain size must not be coarser than 5 grades, for reaching this requirement, key is strictly to control strong cold technique, so just needs to realize this equipment that strictly can control strong cold technique.At present, yet there are no a kind of operation simple, control the cold effective and control-cooling equipment making fractured connecting rod of non-hardened and tempered steel that cost is low.
Summary of the invention
Instant invention overcomes above-mentioned the deficiencies in the prior art, propose a kind of operation simple, control the control-cooling equipment that the low non-hardened and tempered steel of cold effective and cost makes fractured connecting rod, the invention of this control-cooling equipment makes also can reach modified strength level when adopting non-hardened and tempered steel to make fractured connecting rod, eliminate modifier treatment, simplify production process, save energy.
Technical scheme of the present invention is achieved in that
A kind of non-hardened and tempered steel makes the control-cooling equipment of fractured connecting rod, comprise frame, in frame, be provided with one article for the first blower fan in word order, the second blower fan, the 3rd blower fan, four fan device and the tendencies machine of carrying the annular conveyer chain of fractured connecting rod and arrange along conveyer chain throughput direction; The blower fan mouth of above-mentioned each blower fan is all positioned at directly over annular conveyer chain and it is just arranged the surface of annular conveyer chain; The second blower fan, the 3rd blower fan, all coordinating with the blower fan mouth place of tendencies machine of four fan device be provided with cage; Be provided with steel bar in the left and right sides of annular conveyer chain, steel bar is fixed on control-cooling equipment, and cage is fixed on steel bar; First blower fan, the second blower fan, the 3rd blower fan, four fan device and tendencies machine are all equipped with independent frequency transformer and independent switch; Switch box is provided with in the mid-way of control-cooling equipment.
In order to eliminate the internal stress produced owing to cooling fast, as preferably, the power of the first described blower fan is 4KW, and flow is 4500m
3/ h, rotating speed is 2500r/min; The power of the second blower fan, the 3rd blower fan, four fan device and tendencies machine is 2.2KW, and flow is 1264m
3/ h, rotating speed is 2900r/min.
As preferably, the blower fan mouth of each blower fan is the opening of falling funnel type.
Cold in order to make connecting rod obtain fully control, improve craft precision, as preferably, described cage comprises the rectangular-shaped top plate be connected with blower fan mouth, the side plate A that two parallel sides of rectangular-shaped top plate are extended vertically downward respectively and side plate B, described side plate A and side plate B is welded and fixed with steel bar respectively.This wind to external diffusion can be reflexed to the sidepiece of connecting rod by the side plate on cage both sides, thus makes connecting rod keep evenly catching a cold everywhere.
Conveniently operate control-cooling equipment, as preferably, described is provided with outer cover outside frame; Outer cover is provided with opening with the opposite position place of independent switch.
In order to improve the life-span of annular conveyer chain, as preferably, described annular conveyer chain adopts combination chain or stainless steel guipure.
As preferably, between cage adjacent between two, be spaced apart 20CM ~ 60CM.
Have employed the invention has the beneficial effects as follows of technique scheme:
The present invention is a kind of control-cooling equipment met with non-hardened and tempered steel making fractured connecting rod.When connecting rod material adopts non-hardened and tempered steel, the metallographic structure of connecting rod must meet the carbide that ferrite adds perlite and disperse, ferrite content is lower than 10%, mean grain size must not be coarser than 5 grades, non-hardened and tempered steel just can be made to reach modified strength level, so not only eliminate modifier treatment, simplify production process, and save energy, there is certain economic benefit.
In order to reach this effect, in the present invention, connecting rod is placed on the blower fan mouth being transmitted through five Fans after on annular conveyer chain successively, and to carry out control cold, the second blower fan, the 3rd blower fan, also coordinating with the blower fan mouth place of tendencies machine of four fan device be provided with cage, cage is in order to block cold wind toward extraneous diffusion, cold wind is toward the top of blowing during blowing down at connecting rod, cold wind is beaten on side plate A and side plate B subsequently, again cold wind is returned side and the bottom of connecting rod, connecting rod is fully cooled, reaches the cold effect of best control.
Five Fans are all equipped with independent frequency transformer, and independent frequency transformer is adjustable in order to realize rotating speed; The use of independent frequency transformer can regulate according to temperature, such as when summer because external temperature is higher, control cold strength will double improve, open five frequency transformers as the case may be and regulate; And carry out timely adjustment, to ensure the cold effect of the control of connecting rod; Because external temperature is lower during winter, coldly strong condition is brought for controlling, need as the case may be to open first and third, five frequency transformers or second, four, five frequency transformers, so just the strict rotating speed controlling each blower fan, has greatly saved the energy and has reduced cost.
The quick cooling carried out at the first blower fan that power is higher, in order to obtain uniform metallographic structure, remains on certain temperature range and time in order to eliminate the internal stress produced owing to cooling fast in the cold process of whole control; Temperature out is controlled, in the temperature range separated out in refine pearlite, make the time lengthening of Slow cooling in the temperature can separated out in refine pearlite after product cartonning, to obtain more nodular troostite tissue, with reach ferrite lower than 10% requirement.
Be provided with opening at outer cover with the corresponding position of independent switch, facilitate control-cooling equipment to overhaul, observation and switch; Five Fans are equipped with independent switch, are convenient to control whole operating process; Also be provided with independently-powered switch box in the mid-way of control-cooling equipment to facilitate the switching action to circuit, and have higher class of safety protection.Five Fans have strict requirement on power, flow, rotating speed, add the strict control in the transfer rate of annular conveyer chain, achieve strict strong cold Controlling Technology.
Connecting rod enters control-cooling equipment successively, goes out control-cooling equipment successively, and namely single-piece arrangement through type control-cooling equipment, ensure that the consistence of product requirements.
Accompanying drawing explanation
Fig. 1 is the internal structure schematic diagram of control-cooling equipment in the embodiment of the present invention;
Fig. 2 is the fit structure schematic diagram of blower fan mouth and cage in the embodiment of the present invention;
Fig. 3 is the external overall structural representation of control-cooling equipment in the embodiment of the present invention.
Embodiment
The specific embodiment of the present invention is as follows:
Embodiment: a kind of non-hardened and tempered steel makes the control-cooling equipment of fractured connecting rod, as shown in Figures 1 to 3, comprises frame 6, is provided with the first blower fan 1, second blower fan 2, the 3rd blower fan 3, four fan device 4 and tendencies machine 5 in word order in frame 6; In frame 6, be also provided with an annular conveyer chain 7, described annular conveyer chain 7 be positioned at the first blower fan 1, the second blower fan 2, the 3rd blower fan 3, four fan device 4 with the blower fan mouth 8 of tendencies machine 5 immediately below place; The second blower fan 2, the 3rd blower fan 3, all coordinating with the blower fan mouth place of tendencies machine 5 of four fan device 4 be provided with cage 9; Be provided with steel bar 10 in the left and right sides of annular conveyer chain 7 transmission direction, steel bar 10 is fixed on annular conveyer chain 7 both sides, and cage 9 is fixed on steel bar 10; First blower fan 1, second blower fan 2, the 3rd blower fan 3, four fan device 4 and tendencies machine 5 are all equipped with independent frequency transformer 11 and independent switch 12; Switch box 13 is provided with in the mid-way of control-cooling equipment; The power of the first blower fan 1 is 4KW, and flow is 4500m
3/ h, rotating speed is 2500r/min; The power of the second blower fan 2, the 3rd blower fan 3, four fan device 4 and tendencies machine 5 is 2.2KW, and flow is 1264m
3/ h, rotating speed is 2900r/min.
In order to make connecting rod fully be caught a cold, blower fan mouth 8 is the opening of falling funnel type 14; Described cage 9 extends to form rectangular-shaped top plate 15 on the outside horizontal plane in blower fan mouth 8 edge, the side plate A16 that two parallel sides of rectangular-shaped top plate 15 are extended vertically downward respectively and side plate B17, side plate A16 and side plate B17 are welded and fixed with the steel bar 10 of annular conveyer chain 7 both sides respectively; Distance between described side plate A16 and side plate B17 equals the distance between steel bar 10; Frame 6 is wrapped with an outer cover 18; Opening 19 is equipped with the opposite position place of independent switch 12 at outer cover 18; Annular conveyer chain 7 adopts combination chain or stainless steel guipure; 20CM ~ 60CM is spaced apart between cage 9 adjacent between two.
During use, open switch box 13, five Fans and be divided into different temperature-controlled areas by respective independent switch 12 and independent frequency transformer 11 to realize frame 6 inside; Connecting rod is put on annular conveyer chain 7, connecting rod by annular conveyer chain 7 be transmitted through successively the first blower fan 1, the second blower fan 2, the 3rd blower fan 3, the catching a cold with the blower fan mouth of tendencies machine 5 of four fan device 4; Wherein, temperature-controlled area is divided into three districts: the firstth district comprises the first blower fan 1 and the second blower fan 2, and in order to obtain uniform metallographic structure, connecting rod must cool fast, and within the time of 2 ~ 2.5 minutes, temperature is down to 700 DEG C by 930 DEG C; Secondth district comprises the 3rd blower fan 3 and four fan device 4, and in order to eliminate the internal stress produced because the firstth district cools fast, connecting rod temperature within the time of 2 to 2.5 minutes is down to 650 DEG C by 700 DEG C; 3rd district is the 5th Fans 5, and connecting rod temperature within the time of 2 to 2.5 minutes is down to 600 DEG C-550 DEG C by 650 DEG C; The product temperature that wherein hardness requirement is high drops to 550 DEG C, and the product temperature that hardness requirement is low drops to 600 DEG C.The speed of annular conveyer chain 7 is about 0.93 ~ 1.08m/s, be sent to tendencies machine 5 and export the cold process stopping of time control, temperature out is controlled in the temperature range of refine pearlite precipitation, the time lengthening of Slow cooling in the temperature can separated out in refine pearlite after making product cartonning, to obtain more nodular troostite tissue, reach ferrite lower than 10% requirement.In the present invention, connecting rod enters frame 6 successively, and connecting rod goes out frame 6 successively, then puts into product box heap and is chilled to room temperature, i.e. single-piece arrangement through type frame 6, and speed of cooling is consistent, and envrionment temperature is consistent, ensure that the consistence of product requirements.
Claims (7)
1. one kind makes the control-cooling equipment of fractured connecting rod of non-hardened and tempered steel, it is characterized in that: comprise frame, in frame, be provided with one article for the first blower fan in word order, the second blower fan, the 3rd blower fan, four fan device and the tendencies machine of carrying the annular conveyer chain of fractured connecting rod and arrange along conveyer chain throughput direction; The blower fan mouth of above-mentioned each blower fan is all positioned at directly over annular conveyer chain and it is just arranged the surface of annular conveyer chain; The second blower fan, the 3rd blower fan, all coordinating with the blower fan mouth place of tendencies machine of four fan device be provided with cage; Be provided with steel bar in the left and right sides of annular conveyer chain, steel bar is fixed on control-cooling equipment, and cage is fixed on steel bar; First blower fan, the second blower fan, the 3rd blower fan, four fan device and tendencies machine are all equipped with independent frequency transformer and independent switch; Switch box is provided with in the mid-way of control-cooling equipment.
2. a kind of non-hardened and tempered steel according to claim 1 makes the control-cooling equipment of fractured connecting rod, it is characterized in that: the power of the first described blower fan is 4kW, and flow is 4500m
3/ h, rotating speed is 2500r/min; The power of the second blower fan, the 3rd blower fan, four fan device and tendencies machine is 2.2kW, and flow is 1264m
3/ h, rotating speed is 2900r/min.
3. a kind of non-hardened and tempered steel according to claim 1 makes the control-cooling equipment of fractured connecting rod, it is characterized in that: the blower fan mouth of each blower fan is the opening of falling funnel type.
4. a kind of non-hardened and tempered steel according to claim 1 makes the control-cooling equipment of fractured connecting rod, it is characterized in that: described cage comprises the rectangular-shaped top plate be connected with blower fan mouth, the side plate A that two parallel sides of rectangular-shaped top plate are extended vertically downward respectively and side plate B, described side plate A and side plate B is welded and fixed with steel bar respectively.
5. a kind of non-hardened and tempered steel according to claim 1 makes the control-cooling equipment of fractured connecting rod, it is characterized in that: outside frame, be provided with outer cover; Outer cover is provided with opening with the opposite position place of independent switch.
6. a kind of non-hardened and tempered steel according to claim 1 makes the control-cooling equipment of fractured connecting rod, it is characterized in that: described annular conveyer chain adopts combination chain or stainless steel guipure.
7. a kind of non-hardened and tempered steel according to claim 1 makes the control-cooling equipment of fractured connecting rod, it is characterized in that: be spaced apart 20cm ~ 60cm between cage adjacent between two.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310534361.XA CN103555918B (en) | 2013-10-31 | 2013-10-31 | A kind of non-hardened and tempered steel makes the control-cooling equipment of fractured connecting rod |
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| CN201310534361.XA CN103555918B (en) | 2013-10-31 | 2013-10-31 | A kind of non-hardened and tempered steel makes the control-cooling equipment of fractured connecting rod |
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| CN103555918B true CN103555918B (en) | 2015-11-18 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105033158A (en) * | 2015-07-26 | 2015-11-11 | 浙江雅博汽配有限公司 | Conveying mechanism for forged parts |
| CN107442722A (en) * | 2017-08-22 | 2017-12-08 | 江西江锻重工有限公司 | Non-hardened and tempered steel forging multiple spot strengthens controlled cooling device |
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| CN203546097U (en) * | 2013-10-31 | 2014-04-16 | 浙江跃进机械有限公司 | Controlled cooling equipment for manufacturing expansion breaking connection rod by using non-quenched and tempered steel |
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2013
- 2013-10-31 CN CN201310534361.XA patent/CN103555918B/en active Active
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| CN101480669A (en) * | 2008-01-07 | 2009-07-15 | 宝山钢铁股份有限公司 | Stelmor line cooling method and cooling apparatus of high-speed rod-rolling mill |
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Effective date of registration: 20201127 Address after: 313000 No. 818 Xinhui Road, Lianshi Town, Nanxun District, Huzhou City, Zhejiang Province Patentee after: ZHEJIANG SANXING ELECTRICAL TECHNOLOGY Co.,Ltd. Address before: Room 1,020, Nanxun Science and Technology Pioneering Park, No. 666 Chaoyang Road, Nanxun District, Huzhou City, Zhejiang Province, 313000 Patentee before: Huzhou You Yan Intellectual Property Service Co.,Ltd. |
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Denomination of invention: A Controlled Cooling Equipment for Making Expanding and Breaking Connecting Rods with Non quenched and Tempered Steel Effective date of registration: 20230921 Granted publication date: 20151118 Pledgee: Nanxun rural commercial bank Limited by Share Ltd. Zhejiang Pledgor: Hongmufang home technology (Huzhou) Co.,Ltd. Registration number: Y2023980057875 |
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