CN112813241A - Spray type cooling equipment for heat treatment of few leaf springs of trailer - Google Patents

Spray type cooling equipment for heat treatment of few leaf springs of trailer Download PDF

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Publication number
CN112813241A
CN112813241A CN202011608151.7A CN202011608151A CN112813241A CN 112813241 A CN112813241 A CN 112813241A CN 202011608151 A CN202011608151 A CN 202011608151A CN 112813241 A CN112813241 A CN 112813241A
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China
Prior art keywords
plate
die
oil
few
heat treatment
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CN202011608151.7A
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CN112813241B (en
Inventor
吴坚铭
盛军
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Zhejiang Funiu Leaf Spring Co ltd
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Zhejiang Funiu Leaf Spring Co ltd
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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
    • C21D1/667—Quenching devices for spray 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
    • C21D9/0081—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for slabs; for billets
    • 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
    • C21D9/02—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for springs

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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 Treatments In General, Especially Conveying And Cooling (AREA)
  • Heat Treatment Of Articles (AREA)

Abstract

A spray cooling device for heat treatment of few leaf springs of a trailer relates to the field of automobile part manufacturing and comprises a cylinder frame, a die connecting plate, a hydraulic cylinder, an upper forming die, a lower forming die and an oil spraying pipe, wherein the die connecting plate is supported at the edge of a tank opening of an oil tank through the cylinder frames at two sides, the hydraulic cylinder is fixed on the side surface of the die connecting plate, the upper forming die is connected with the outer end of a push shaft of the hydraulic cylinder, the lower forming die is fixedly connected with the lower side edge of the surface of the die connecting plate, forming top shafts are horizontally arranged on the upper forming die and the lower forming die at intervals and are used for jacking the few-leaf spring steel plate, the oil injection pipes are arranged between the adjacent forming top shafts and are communicated through a communicating pipe, the communicating pipe is connected with the quenching oil pipe, so that the steel plate can be directly cooled after the bending and pressing of the few-leaf spring are finished, and the production efficiency is improved.

Description

Spray type cooling equipment for heat treatment of few leaf springs of trailer
Technical Field
The invention relates to the field of automobile part manufacturing, in particular to spray type cooling equipment for heat treatment of few leaf springs of a trailer.
Background
The steel plate spring is the most widely applied elastic element in the automobile suspension, the stress condition of the steel plate spring can directly influence the automobile suspension, the steel plate spring in the current market has the defects of poor bearing capacity and short fatigue life due to uneven bending in the manufacturing process, and particularly after the steel plate is formed, the spring is deformed due to different cooling degrees of all parts in the cooling process to cause unsmooth running, so that the overall quality of the steel plate spring can be improved if the curvature consistency of the steel plate spring or a few leaf springs is improved.
Disclosure of Invention
The invention provides spraying type cooling equipment for heat treatment of few leaf springs of a trailer, which is used for directly cooling a steel plate after the bending and pressing of the few leaf springs are completed, so that the structural deformation of the few leaf springs in the cooling process is avoided, and the production efficiency is improved.
The technical purpose of the invention is realized by the following technical scheme: the utility model provides a few leaf spring thermal treatment fountain cooling arrangement of trailer, wherein, includes hydro-cylinder frame, mould fishplate bar, pneumatic cylinder, mould, shaping lower mould and spouts the oil pipe, the mould fishplate bar supports in the pool mouth edge in fluid pond through the hydro-cylinder frame of both sides the side of mould fishplate bar is fixed with the pneumatic cylinder, mould connection in the shaping the push away a outer end of pneumatic cylinder, shaping lower mould rigid coupling in the surperficial downside edge of mould fishplate bar mould in the shaping with equal horizontal interval is provided with the shaping apical axis on the shaping lower mould, the shaping apical axis is used for the few leaf spring steel sheet of roof pressure, and is adjacent be provided with between the shaping apical axis spout the oil pipe, spout the oil pipe and connect the siphunculus intercommunication, connect the quenching oil pipe.
Preferably, the upper forming die is connected to the end of the pushing shaft through a rotating shaft.
Preferably, the die connecting plate is further provided with slide rails, the slide rails are vertical through grooves formed in two sides of the die connecting plate, and two ends of the forming upper die are embedded into the slide rails on the two sides.
Preferably, the die-receiving plate is provided with an oil retaining portion for preventing the quenching oil from splashing.
Preferably, the oil blocking portion includes an inclined plate and a side plate, the inclined plate is a plane plate extending from the surface of the mold connection plate to the outside in an inclined manner from top to bottom, and the side plate is a plane plate extending from the two side edges of the inclined plate to the vertical direction.
Preferably, the inclined plate is provided with a wave convex plate, and the wave convex plate is a wave-shaped extension cambered surface which extends downwards and is vertical to the lower surface of the inclined plate.
Preferably, the die plate further comprises a reflow plate which is an inclined panel extending downwards from the lower edge of the inclined plate and gradually approaching the die plate.
Preferably, the oil collecting cooling plate is an inclined panel extending upwards from the lower edge of the return plate and gradually approaching the die plate.
Preferably, the cooling device further comprises liquid guide notches, wherein the liquid guide notches are arc-shaped notches which are downwards sunken from the upper edge of the oil collecting cooling plate, and the liquid guide notches are distributed at intervals in the horizontal direction.
Preferably, the liquid guiding device further comprises a liquid guiding groove, and the liquid guiding groove is a horizontal straight groove communicated with the lower end of the liquid guiding notch.
In conclusion, the invention has the following beneficial effects: the steel plate is directly cooled after the bending of the few leaf springs is finished, the structural deformation of the few leaf springs in the cooling process is avoided, and the production efficiency is improved.
Drawings
Fig. 1 is a schematic view of a cooling apparatus.
Fig. 2 is an enlarged schematic view of the molding top shaft.
Fig. 3 is a side view of the oil dam.
Fig. 4 is a schematic view of a wave plate.
FIG. 5 is a schematic view of the structure of the drainage groove.
In the figure: 1. the oil cylinder comprises an oil cylinder frame, 2, a die connecting plate, 3, a hydraulic cylinder, 4, an upper forming die, 5, a lower forming die, 6, an oil spraying pipe, 7, a forming top shaft, 8, a communicating pipe, 9, a rotating shaft, 10, a sliding rail, 11, an inclined extending plate, 12, a wave convex plate, 13, a backflow plate, 14, a condensed oil cooling plate, 15, a liquid guiding notch, 16 and a liquid passing groove.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.
Embodiment 1, as shown in fig. 1 to 5, a spray cooling apparatus for heat treatment of few leaf springs of a trailer, wherein the spray cooling apparatus comprises an oil cylinder frame 1, a die connecting plate 2, a hydraulic cylinder 3, an upper forming die 4, a lower forming die 5 and an oil injection pipe 6, the die connecting plate 2 is supported at the edge of a tank opening of an oil tank through the oil cylinder frames 1 on both sides, the hydraulic cylinder 3 is fixed at the side of the die connecting plate 2, the upper forming die 4 is connected with the outer end of a push shaft of the hydraulic cylinder 3, the lower forming die 5 is fixedly connected to the edge of the lower side of the surface of the die connecting plate 2, forming top shafts 7 are horizontally arranged on the upper forming die 4 and the lower forming die 5 at intervals, the forming top shafts 7 are used for jacking the few leaf spring steel plates, the oil injection pipe 6 is arranged between the adjacent forming top shafts 7, the oil injection. The die connecting plate 2 is transversely arranged above the opening of the oil liquid pool through the oil cylinder frame 1, a heated steel plate is placed on a forming top shaft 7 of a forming lower die 5, a hydraulic cylinder 3 is started, so that a pushing shaft drives a forming upper die 4 to move downwards and extrude the steel plate, after the pressed steel plate is formed into a required bent plate between the forming top shafts 7 at the upper part and the lower part, cold quenching oil is conveyed to a quenching oil pipe from the outside, the quenching oil is conveyed to each oil spraying pipe 6 through a communicating pipe 8, oil is sprayed to a high-temperature steel plate through each oil spraying pipe 6, the steel plate is rapidly cooled, the quenching oil flows into the oil liquid pool downwards, after the steel plate is cooled, the hydraulic cylinder 3 retreats oil, the pushing shaft drives the forming upper die 4 to move upwards, and cooling of the.
The upper forming die 4 is connected to the tail end of the push shaft through a rotating shaft 9. The rotating shaft 9 can allow the upper forming die 4 to deflect left and right, namely rotate around the rotating shaft 9, so that the upper forming die 4 can better contact the surface of the steel plate.
The die connecting plate 2 is also provided with slide rails 10, the slide rails 10 are vertical through grooves formed in two sides of the die connecting plate 2, and two ends of the upper die 4 are embedded into the slide rails 10 on the two sides. The slide rails 10 are fixedly connected with the lower forming die 5 to reinforce the stability of the lower forming die 5, and the two ends of the upper forming die 4 are embedded into the slide rails 10 on the two sides, so that the deflection can be restrained, and the upper forming die 4 is prevented from excessively swinging.
The die receiving plate 2 is provided with an oil retaining portion for preventing the quenching oil from splashing.
The oil blocking part comprises an inclined extension plate 11 and side flat plates, the inclined extension plate 11 is a plane plate which extends outwards from the surface of the die connecting plate 2 from top to bottom, and the side flat plates are plane plates which extend downwards from the two side edges of the inclined extension plate 11. The quenching oil contacting the high-temperature steel plate can splash due to heating, the inclined extension plate 11 is arranged on the surface of the die connecting plate 2 and above the upper forming die 4, the quenching oil can be prevented from splashing upwards and flowing into an oil liquid pool below along the lower surface of the inclined extension plate 11, and the side flat plates prevent the quenching oil from splashing from two sides of the inclined extension plate 11.
The inclined extension plate 11 is provided with a wave convex plate 12, and the wave convex plate 12 is a wave extension cambered surface which extends downwards and is vertical to the lower surface of the inclined extension plate 11. The wave convex plate 12 can effectively reduce impact rebound of the quenching oil, so that the rebounded quenching oil is gathered and flows down.
And the return plate 13 is an inclined panel which extends downwards from the lower edge of the inclined extension plate 11 and is gradually close to the module plate 2. The extending direction of the return plate 13 may be directed toward the lower steel plate, and the steel plate may be cooled again by the quenching oil.
And a condensate cooling plate 14, wherein the condensate cooling plate 14 is an inclined panel which extends upwards from the lower edge of the return plate 13 and gradually approaches the die plate 2. The oil collecting cooling plate 14 can accumulate and cool the quenching oil until the accumulated oil of the quenching oil overflows the oil collecting cooling plate 14, and then the oil can be sprayed on the surface of the steel plate.
And the cooling device also comprises liquid guide notches 15, wherein the liquid guide notches 15 are arc-shaped notches which are downwards sunken from the upper edge of the cooling plate 14, and the liquid guide notches 15 are distributed at intervals in the horizontal direction. The liquid guiding notch 15 can enable the stored quenching oil to have a designated flowing-down position, and the phenomenon that the quenching oil flows down unevenly due to oil tension or panel burrs is avoided.
The liquid guiding groove is characterized by further comprising a liquid guiding groove 16, wherein the liquid guiding groove 16 is a horizontal straight groove communicated with the lower end of the liquid guiding notch 15. The liquid passing groove 16 can make the upper liquid level of the quenching oil extend to the liquid guiding notches 15 at the same time, so that the quenching oil is sprayed from each liquid guiding notch 15 at the same time.

Claims (10)

1. The spray type cooling equipment for the heat treatment of the few-leaf springs of the trailer is characterized by comprising an oil cylinder frame (1), a die connecting plate (2), a hydraulic cylinder (3), an upper forming die (4), a lower forming die (5) and an oil spraying pipe (6), wherein the die connecting plate (2) is supported at the edge of a pool opening of an oil pool through the oil cylinder frames (1) at two sides, the hydraulic cylinder (3) is fixed on the side surface of the die connecting plate (2), the upper forming die (4) is connected with the outer end of a push shaft of the hydraulic cylinder (3), the lower forming die (5) is fixedly connected at the edge of the lower side of the surface of the die connecting plate (2), forming top shafts (7) are horizontally arranged on the upper forming die (4) and the lower forming die (5) at intervals, the forming top shafts (7) are used for jacking the few-leaf spring steel plate, the oil spraying pipe (6) is arranged between the adjacent forming top shafts (7), the oil injection pipe (6) is communicated through a communicating pipe (8), and the communicating pipe (8) is connected with a quenching oil pipe.
2. The spray type cooling device for heat treatment of few-leaf springs of trailers as claimed in claim 1, wherein said upper forming die (4) is connected to the end of said push shaft through a rotating shaft (9).
3. The spray type cooling device for heat treatment of few leaf springs of trailers as claimed in claim 2, characterized in that there are also slide rails (10) on the die attach plate (2), the slide rails (10) are vertical through grooves arranged on both sides of the die attach plate (2), and both ends of the upper forming die (4) are embedded into the slide rails (10) on both sides.
4. The spray type cooling device for the heat treatment of few-leaf springs of trailers is characterized in that an oil blocking part for preventing quenching oil from splashing is arranged on the die connecting plate (2).
5. The few-leaf-spring thermal treatment spray type cooling device for the trailer according to claim 4, wherein the oil baffle part comprises an inclined extension plate (11) and side flat plates, the inclined extension plate (11) is a flat plate extending obliquely outwards from the surface of the die-connecting plate (2) from top to bottom, and the side flat plates are flat plates extending vertically downwards from two side edges of the inclined extension plate (11).
6. The spray cooling device for the few-leaf spring heat treatment of the trailer according to claim 5, wherein a wave-shaped convex plate (12) is arranged on the inclined plate (11), and the wave-shaped convex plate (12) is a wave-shaped extended arc surface extending downwards perpendicular to the lower surface of the inclined plate (11).
7. The few-leaf-spring heat treatment spray type cooling device for the trailer according to claim 6, characterized by further comprising a return plate (13), wherein the return plate (13) is an inclined panel extending downwards from the lower edge of the inclined extension plate (11) and gradually approaching the die plate (2).
8. The few-leaf-spring heat treatment spray type cooling device for the trailer according to claim 7, characterized by further comprising an oil collection cooling plate (14), wherein the oil collection cooling plate (14) is an inclined panel extending upward from the lower edge of the return plate (13) and gradually approaching the die plate (2).
9. The spray type cooling device for the few-leaf spring heat treatment of the trailer according to claim 8, characterized by further comprising liquid guiding notches (15), wherein the liquid guiding notches (15) are arc-shaped notches which are downwards sunken from the upper edge of the oil collecting cooling plate (14), and the liquid guiding notches (15) are distributed at intervals in the horizontal direction.
10. The spray type cooling device for heat treatment of few-leaf springs of trailers according to claim 9, further comprising a liquid passing groove (16), wherein the liquid passing groove (16) is a horizontal straight groove communicated with the lower end of the liquid guiding recess (15).
CN202011608151.7A 2020-12-30 2020-12-30 Spray type cooling equipment for heat treatment of few leaf springs of trailer Active CN112813241B (en)

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Application Number Priority Date Filing Date Title
CN202011608151.7A CN112813241B (en) 2020-12-30 2020-12-30 Spray type cooling equipment for heat treatment of few leaf springs of trailer

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Application Number Priority Date Filing Date Title
CN202011608151.7A CN112813241B (en) 2020-12-30 2020-12-30 Spray type cooling equipment for heat treatment of few leaf springs of trailer

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CN112813241A true CN112813241A (en) 2021-05-18
CN112813241B CN112813241B (en) 2022-10-21

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Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB165121A (en) * 1919-12-13 1921-06-13 Henry Brockhouse Improvements in the manufacture of springs
CN1546879A (en) * 2003-12-11 2004-11-17 高纪清 Molding pressed quench method and apparatus for automobile clutch metal disks accessory
CN201648466U (en) * 2010-03-11 2010-11-24 山东中元自动化设备有限公司 Special clamp for shaping automobile leaf spring by heat treatment
JP2011147970A (en) * 2010-01-21 2011-08-04 Toyota Motor Corp Method and device for hot press molding
CN201971868U (en) * 2010-07-07 2011-09-14 常州弹簧厂有限公司 Positioning device for thermal treatment of few-leaf springs
CN207347630U (en) * 2017-10-27 2018-05-11 山东中元自动化设备有限公司 Leaf springs of car assembly quenches molding machine
CN108486345A (en) * 2018-06-19 2018-09-04 山东雷帕得汽车技术股份有限公司 A kind of leaf springs of car double pendulum type auto-quenching equipment and technique
CN108929942A (en) * 2018-08-08 2018-12-04 南通瑞斯电子有限公司 A kind of efficient spring manufacture heating equipment
CN109013898A (en) * 2018-07-20 2018-12-18 江麓机电集团有限公司 A kind of high strength steel plate pressure of the netted molding muscle structure of large size is quenched mould and moulding process
CN208290300U (en) * 2018-04-21 2018-12-28 台州市黄岩达意隆模具有限公司 capping machine
CN110218848A (en) * 2019-07-05 2019-09-10 桂林福达股份有限公司 A kind of corrugated sheet forming quenching mould and forming process for quenching
CN210847967U (en) * 2019-10-30 2020-06-26 南京凡太奇模塑有限公司 Support mould that hot punching cold punched

Patent Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB165121A (en) * 1919-12-13 1921-06-13 Henry Brockhouse Improvements in the manufacture of springs
CN1546879A (en) * 2003-12-11 2004-11-17 高纪清 Molding pressed quench method and apparatus for automobile clutch metal disks accessory
JP2011147970A (en) * 2010-01-21 2011-08-04 Toyota Motor Corp Method and device for hot press molding
CN201648466U (en) * 2010-03-11 2010-11-24 山东中元自动化设备有限公司 Special clamp for shaping automobile leaf spring by heat treatment
CN201971868U (en) * 2010-07-07 2011-09-14 常州弹簧厂有限公司 Positioning device for thermal treatment of few-leaf springs
CN207347630U (en) * 2017-10-27 2018-05-11 山东中元自动化设备有限公司 Leaf springs of car assembly quenches molding machine
CN208290300U (en) * 2018-04-21 2018-12-28 台州市黄岩达意隆模具有限公司 capping machine
CN108486345A (en) * 2018-06-19 2018-09-04 山东雷帕得汽车技术股份有限公司 A kind of leaf springs of car double pendulum type auto-quenching equipment and technique
CN109013898A (en) * 2018-07-20 2018-12-18 江麓机电集团有限公司 A kind of high strength steel plate pressure of the netted molding muscle structure of large size is quenched mould and moulding process
CN108929942A (en) * 2018-08-08 2018-12-04 南通瑞斯电子有限公司 A kind of efficient spring manufacture heating equipment
CN110218848A (en) * 2019-07-05 2019-09-10 桂林福达股份有限公司 A kind of corrugated sheet forming quenching mould and forming process for quenching
CN210847967U (en) * 2019-10-30 2020-06-26 南京凡太奇模塑有限公司 Support mould that hot punching cold punched

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