CN107626830A - Same steel plate reaches the mould heating arrangement of variable strength - Google Patents
Same steel plate reaches the mould heating arrangement of variable strength Download PDFInfo
- Publication number
- CN107626830A CN107626830A CN201710962263.4A CN201710962263A CN107626830A CN 107626830 A CN107626830 A CN 107626830A CN 201710962263 A CN201710962263 A CN 201710962263A CN 107626830 A CN107626830 A CN 107626830A
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- CN
- China
- Prior art keywords
- mould
- cooling system
- gas circuit
- mold forming
- circuit cooling
- 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
Links
- 238000010438 heat treatment Methods 0.000 title claims abstract description 59
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 39
- 239000010959 steel Substances 0.000 title claims abstract description 39
- 238000001816 cooling Methods 0.000 claims abstract description 79
- 238000009413 insulation Methods 0.000 claims description 17
- 238000000465 moulding Methods 0.000 claims description 16
- 230000001681 protective effect Effects 0.000 claims description 15
- 150000001875 compounds Chemical group 0.000 claims description 14
- 230000015572 biosynthetic process Effects 0.000 abstract description 3
- 238000012544 monitoring process Methods 0.000 abstract description 2
- 239000000463 material Substances 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 229910000797 Ultra-high-strength steel Inorganic materials 0.000 description 2
- 229910001566 austenite Inorganic materials 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000004080 punching Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 229910001563 bainite Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 229910000734 martensite Inorganic materials 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229910001562 pearlite Inorganic materials 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 238000003856 thermoforming Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Abstract
The invention discloses the mould heating arrangement that same steel plate reaches variable strength, including upper mould hot briquetting system and lower mould hot briquetting system, upper mould hot briquetting system includes upper die forming system, upper mould system for detecting temperature, upper mould gas circuit cooling system, upper mould waterway cooling system, upper die forming insert backing plate；Lower mould hot briquetting system includes lower mold forming system, lower mould system for detecting temperature, lower mould gas circuit cooling system, lower mould waterway cooling system, lower mold forming insert backing plate.The heating general power of the present invention calculates heating tube quantity according to forming blocks weight, and the control heat time reaches assigned temperature in 30min 60min；Need to arrange two thermocouple sensors in one formation system, for monitoring insert center and surface temperature, worked more than gas circuit cooling system after assigned temperature, keeping temperature is stable.
Description
Technical field
The present invention relates to the hot forming tool technical field of automobile ultra-high strength steel plate local softening, especially same steel plate reaches
To the mould heating arrangement of variable strength.
Background technology
In recent years in order to meet automotive light weight technology and safety coefficient while raising the needs of, ultrahigh-strength steel plates cover in automobile
To meet that automobile part of Same Part after colliding is accomplished using more and more extensive and such covering in cover piece
High intensity requirement, locally accomplish to absorb external force effect, reach the protection to passengers inside the car.
It is that the steel plate of variable strength is welded together, or uses by thick to not waiting material in common thermoforming process
Do not wait the carry out molding fabrication techniques of the thick rolling steel plate of material, the welding cost of steel plate, do not wait the cost of raw material of material steel plate,
All considerably increase the manufacturing cost of vehicle.
The content of the invention
For above-mentioned problem, the purpose of the present invention is to realize that same steel plate reaches the mould heating knot of variable strength
Structure, by controlling the forming temperature of steel plate diverse location, meet mechanical property requirements of the Same Part in diverse location.
The technical scheme is that：Same steel plate reaches the mould heating arrangement of variable strength, including upper mould is heated into
Type system and lower mould hot briquetting system,
The upper mould hot briquetting system includes upper die forming system, upper mould system for detecting temperature, upper mould gas circuit cooling system
System, upper mould waterway cooling system, upper die forming insert backing plate, the upper mould system for detecting temperature connect with upper mould gas circuit cooling system
Connect, the upper mould system for detecting temperature sends the opening and closing of the upper mould gas circuit cooling system of signal control according to the change of temperature, keeps
The temperature of the upper die forming system within the specified range, the upper mould waterway cooling system and the upper die forming insert backing plate
Connection, avoids damage of the conduction of the upper die forming system temperature to mould miscellaneous part；
The lower mould hot briquetting system includes lower mold forming system, lower mould system for detecting temperature, lower mould gas circuit cooling system
System, lower mould waterway cooling system, lower mold forming insert backing plate, the lower mould system for detecting temperature connect with lower mould gas circuit cooling system
Connecing, the lower mould system for detecting temperature sends the opening and closing of the signal control lower mould gas circuit cooling system according to the change of temperature,
Keep lower mold forming system temperature within the specified range, the lower mould waterway cooling system connects with the lower mold forming insert backing plate
Connect, avoid damage of the conduction of the lower mold forming system temperature to mould miscellaneous part.
Further, the upper die forming system includes upper die forming insert 11, upper molding compound core shaped insert 4, heating
Pipe 5, thermal insulation board 7, pad 9, potsherd 10, gas circuit cooling system 6 and heating tube protective cover 15, in the upper die forming insert 11
Equipped with heating tube 5, heating tube protective cover 15 and upper mould gas circuit cooling system, the thermal insulation board 7 is wrapped in upper die forming insert 11
Around, the pad 9 and potsherd 10 are supported on below the upper die forming insert 11；The upper molding compound core shaped insert
Heating tube 5, heating tube protective cover 15 and upper mould gas circuit cooling system be housed on 4, the thermal insulation board 7 be wrapped in molding compound core into
Around type insert 4, the pad 9 and potsherd 10 are supported on below the upper molding compound core shaped insert 4.
Further, the upper mould system for detecting temperature includes thermocouple sensor 12 and sensor fixing nut 14.
Further, the upper mould gas circuit cooling system includes AIR Proportional valve, steel pipe and muffler, the AIR Proportional
Valve is connected to the entrance of mould gas circuit cooling system, and the outlet of the steel pipe, muffler and the upper mould gas circuit cooling system connects
Connect.
Further, the upper die forming insert backing plate includes disengaging waterway cooling system 17.
Further, the lower mold forming system includes lower mold forming insert 16, heating tube 5, thermal insulation board 7, pad 9, pottery
Ceramics 10, gas circuit cooling system 6 and heating tube protective cover 15, heating tube 5, heating protection of pipe are installed in lower mold forming insert 16
15 gentle line cooling systems are covered, the thermal insulation board 7 is wrapped in around lower mold forming insert 16, pad and the potsherd support
Below lower mold forming insert 16.
Further, the lower mould system for detecting temperature includes thermocouple sensor 12 and sensor fixing nut 14.
Further, the lower mould gas circuit cooling system includes AIR Proportional valve, joint, steel pipe and muffler, the sky
Gas proportioning valve is connected to the entrance of lower mould gas circuit cooling system, the steel pipe, muffler and the upper mould gas circuit cooling system
Outlet connection.
Further, the lower mold forming insert backing plate includes disengaging waterway cooling system 17.
Compared with prior art, the beneficial effects of the invention are as follows：
(1) heating general power of the invention calculates heating tube quantity according to forming blocks weight, and the control heat time exists
30min-60min reaches assigned temperature；Need to arrange two thermocouple sensors in one formation system, for monitoring in insert
The heart and surface temperature, worked more than gas circuit cooling system after assigned temperature, keeping temperature is stable.
(2) in order to reduce heating after insert heat-energy losses, around insert install thermal insulation board and bottom installation backing plate, keep away
Exempt from heat to be transmitted to elsewhere, influence processability.
(3) gas circuit of the invention cooling will set suitable opening/closing time, avoid plate continuous punching from bringing insert surface
Heat accumulative；Water route cooling isolation insert heating brings the damage of mould rack.
Brief description of the drawings
Fig. 1 is the lower mould top view of the present invention.
Fig. 2 is the upper mould top view of the present invention.
Fig. 3 is the general assembly drawing of the present invention.
Fig. 4 is the sectional view of the present invention.
In figure：A- hot briquetting system synthesis, B- conventional molding system assemblies, 1- upper die forming insert systems, the upper moulds of 2-
Material pressing core shaped insert system, mold forming insert system under 3-, the upper molding compound core shaped inserts of 4-, 5- heating tubes, 6- gas circuits are cold
But system, 7- thermal insulation boards, mold forming insert backing plate under 8-, 9- pads, 10- potsherds, 11- upper die forming inserts, 12- thermocouples
Sensor, 13- upper die forming insert backing plates, 14- sensor fixing nuts, 15- heating tube protective covers, mold forming insert under 16-.
Embodiment
In the description of the invention, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " on ", " under ",
The orientation or position relationship of the instruction such as "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outer " are
Based on orientation shown in the drawings or position relationship, it is for only for ease of the description present invention and simplifies description, rather than instruction or dark
Show that the device of meaning or element there must be specific orientation, with specific azimuth configuration and operation, thus it is it is not intended that right
The limitation of the present invention.In addition, term " first ", " second " etc. are only used for describing purpose, and it is not intended that instruction or hint phase
To importance or the implicit quantity for indicating indicated technical characteristic.Thus, the feature for defining " first ", " second " etc. can
To express or implicitly include one or more this feature.In the description of the invention, unless otherwise indicated, " multiple "
It is meant that two or more.
In the description of the invention, it is necessary to illustrate, unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or be integrally connected；Can
To be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected by intermediary, Ke Yishi
The connection of two element internals.For the ordinary skill in the art, above-mentioned term can be understood by concrete condition
Concrete meaning in the present invention.
The present invention is further illustrated with reference to the accompanying drawings and examples.
Same steel plate reaches the mould heating arrangement of variable strength, including upper mould hot briquetting system and lower mould hot briquetting
System,
Upper mould hot briquetting system include upper die forming system, upper mould system for detecting temperature, upper mould gas circuit cooling system, on
Mould waterway cooling system, upper die forming insert backing plate, upper mould system for detecting temperature are connected with upper mould gas circuit cooling system, upper mould temperature
Degree detecting system sends the opening and closing of the upper mould gas circuit cooling system of signal control according to the change of temperature, keeps upper die forming system
Within the specified range, upper mould waterway cooling system is connected temperature with upper die forming insert backing plate, avoids upper die forming system temperature
Damage of the conduction to mould miscellaneous part；
Lower mould hot briquetting system include lower mold forming system, lower mould system for detecting temperature, lower mould gas circuit cooling system, under
Mould waterway cooling system, lower mold forming insert backing plate, the lower mould system for detecting temperature are connected with lower mould gas circuit cooling system, under
Mould system for detecting temperature sends the opening and closing of the lower mould gas circuit cooling system of signal control according to the change of temperature, keeps lower mold forming system
Within the specified range, lower mould waterway cooling system is connected temperature of uniting with lower mold forming insert backing plate, avoids lower mold forming system temperature
Damage of the conduction of degree to mould miscellaneous part.
Upper die forming system includes upper die forming insert 11, upper molding compound core shaped insert 4, heating tube 5, thermal insulation board 7, pad
Piece 9, potsherd 10, gas circuit cooling system 6 and heating tube protective cover 15, equipped with heating tube 5, heating tube in upper die forming insert 11
Protective cover 15 and upper mould gas circuit cooling system, thermal insulation board 7 are wrapped in around upper die forming insert 11, pad 9 and potsherd 10
It is supported on below upper die forming insert 11；In upper molding compound core shaped insert 4 equipped with heating tube 5, heating tube protective cover 15 and on
Mould gas circuit cooling system, thermal insulation board 7 are wrapped in around molding compound core shaped insert 4, and pad 9 and potsherd 10 are supported on institute
State below molding compound core shaped insert 4.
Upper mould system for detecting temperature includes thermocouple sensor 12 and sensor fixing nut 14.
Upper mould gas circuit cooling system includes AIR Proportional valve, steel pipe and muffler, and AIR Proportional valve is connected to mould gas circuit
The entrance of cooling system, the steel pipe, muffler are connected with the outlet of the upper mould gas circuit cooling system.
Upper die forming insert backing plate includes disengaging waterway cooling system 17.
It is cold that lower mold forming system includes lower mold forming insert 16, heating tube 5, thermal insulation board 7, pad 9, potsherd 10, gas circuit
But system 6 and heating tube protective cover 15, it is cold that heating tube 5, heating tube protective cover 15 and gas circuit are installed in lower mold forming insert 16
But system, thermal insulation board 7 are wrapped in around lower mold forming insert 16, and pad and potsherd are supported under lower mold forming insert 16
Face.
Lower mould system for detecting temperature includes thermocouple sensor 12 and sensor fixing nut 14.
Lower mould gas circuit cooling system includes AIR Proportional valve, joint, steel pipe and muffler, and AIR Proportional valve is connected to lower mould
The entrance of gas circuit cooling system, steel pipe, muffler are connected with the outlet of the upper mould gas circuit cooling system.
Lower mold forming insert backing plate includes disengaging waterway cooling system 17.
In Tu1Zhong A areas, upper die forming system includes upper die forming insert system 1, upper molding compound core shaped insert system 2,
Lower mold forming system includes lower mold forming insert system 3.Upper die forming system and lower mold forming system are independently equipped with a set of independent
The gentle line cooling system of heating system.By mold heating system, steel plate temperature during punch forming is slowly declined to
Assigned temperature, the metallographic structure in steel plate are changed into pearlite or bainite from austenite.Using tradition heat in Tu1Zhong B areas
Forming die structure, by die waterway cooling system, steel plate temperature rapid decrease during punch forming is realized, in steel plate
Metallographic structure be changed into martensite from austenite.Realize that same steel plate reaches variable strength in same mould.
The gentle line cooling system of heating system in Fig. 2 in upper and lower mould hot briquetting system is all to be individually connected to an electricity
In gas control system, by electric logic control element, each part independent heating and cooling are realized, ensures three portion temperatures
Stable, the heat time is synchronous.
In punching course, heating tube 5 heats, and after heat transfer makes insert temperature rise to assigned temperature, heating tube stops work
Make, with the heat accumulation that steel plate strip comes during punch forming, gas circuit cooling system is started working, cooling insert surface temperature
Degree, control temperature are formulating work in temperature ± 20 degree.
It is complete by above-mentioned description, relevant staff using the above-mentioned desirable embodiment according to the present invention as enlightenment
Various changes and amendments can be carried out without departing from the scope of the technological thought of the present invention' entirely.The technology of this invention
Property scope is not limited to the content on specification, it is necessary to determines its technical scope according to right.
Claims (9)
1. same steel plate reaches the mould heating arrangement of variable strength, it is characterised in that including upper mould hot briquetting system with
Mould hot briquetting system,
The upper mould hot briquetting system include upper die forming system, upper mould system for detecting temperature, upper mould gas circuit cooling system, on
Mould waterway cooling system, upper die forming insert backing plate, the upper mould system for detecting temperature are connected with upper mould gas circuit cooling system, institute
State the opening and closing that mould system for detecting temperature sends the upper mould gas circuit cooling system of signal control according to the change of temperature, keep described on
Within the specified range, the upper mould waterway cooling system is connected the temperature of mold forming system with the upper die forming insert backing plate；
The lower mould hot briquetting system include lower mold forming system, lower mould system for detecting temperature, lower mould gas circuit cooling system, under
Mould waterway cooling system, lower mold forming insert backing plate, the lower mould system for detecting temperature are connected with lower mould gas circuit cooling system, institute
The opening and closing that lower mould system for detecting temperature sends the signal control lower mould gas circuit cooling system according to the change of temperature is stated, under holding
Within the specified range, the lower mould waterway cooling system is connected mold forming system temperature with the lower mold forming insert backing plate.
2. same steel plate according to claim 1 reaches the mould heating arrangement of variable strength, it is characterised in that on described
Mold forming system includes upper die forming insert (11), upper molding compound core shaped insert (4), heating tube (5), thermal insulation board (7), pad
(9), potsherd (10), gas circuit cooling system (6) and heating tube protective cover (15), on the upper die forming insert (11) equipped with plus
Heat pipe (5), heating tube protective cover (15) and upper mould gas circuit cooling system, the thermal insulation board (7) are wrapped in upper die forming insert
(11) around, the pad (9) and potsherd (10) are supported on the upper die forming insert (11) below；The upper molding compound
Heating tube (5), heating tube protective cover (15) and upper mould gas circuit cooling system, the thermal insulation board (7) are housed in core shaped insert (4)
It is wrapped in around molding compound core shaped insert (4), the pad (9) and potsherd (10) are supported on the upper molding compound core
Shaped insert (4) is below.
3. same steel plate according to claim 1 reaches the mould heating arrangement of variable strength, it is characterised in that on described
Mould system for detecting temperature includes thermocouple sensor (12) and sensor fixing nut (14).
4. same steel plate according to claim 1 reaches the mould heating arrangement of variable strength, it is characterised in that on described
Mould gas circuit cooling system includes AIR Proportional valve, steel pipe and muffler, and the AIR Proportional valve is connected to mould gas circuit cooling system
The entrance of system, the steel pipe, muffler are connected with the outlet of the upper mould gas circuit cooling system.
5. same steel plate according to claim 1 reaches the mould heating arrangement of variable strength, it is characterised in that on described
Mold forming insert backing plate includes disengaging waterway cooling system (17).
6. same steel plate according to claim 1 reaches the mould heating arrangement of variable strength, it is characterised in that under described
Mold forming system is cold including lower mold forming insert (16), heating tube (5), thermal insulation board (7), pad (9), potsherd (10), gas circuit
But system (6) and heating tube protective cover (15), heating tube (5), heating tube protective cover are installed on lower mold forming insert (16)
(15) gentle line cooling system, the thermal insulation board (7) are wrapped in around lower mold forming insert (16), the pad and potsherd
It is supported on below lower mold forming insert (16).
7. same steel plate according to claim 1 reaches the mould heating arrangement of variable strength, it is characterised in that under described
Mould system for detecting temperature includes thermocouple sensor (12) and sensor fixing nut (14).
8. same steel plate according to claim 1 reaches the mould heating arrangement of variable strength, it is characterised in that under described
Mould gas circuit cooling system includes AIR Proportional valve, joint, steel pipe and muffler, and it is cold that the AIR Proportional valve is connected to lower mould gas circuit
But the entrance of system, the steel pipe, muffler are connected with the outlet of the upper mould gas circuit cooling system.
9. same steel plate according to claim 1 reaches the mould heating arrangement of variable strength, it is characterised in that under described
Mold forming insert backing plate includes disengaging waterway cooling system (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710962263.4A CN107626830A (en) | 2017-10-17 | 2017-10-17 | Same steel plate reaches the mould heating arrangement of variable strength |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710962263.4A CN107626830A (en) | 2017-10-17 | 2017-10-17 | Same steel plate reaches the mould heating arrangement of variable strength |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107626830A true CN107626830A (en) | 2018-01-26 |
Family
ID=61104429
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710962263.4A Pending CN107626830A (en) | 2017-10-17 | 2017-10-17 | Same steel plate reaches the mould heating arrangement of variable strength |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107626830A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111842597A (en) * | 2020-07-14 | 2020-10-30 | 永胜机械工业（昆山）有限公司 | Titanium material and special metal pipe orifice extension forming equipment and method |
| CN114011974A (en) * | 2021-11-12 | 2022-02-08 | 东莞理工学院 | Insert type variable-strength hot forming die circulating cooling system |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102259138A (en) * | 2011-05-03 | 2011-11-30 | 上海北特科技股份有限公司 | Thermal forming test die with cooling water path |
| CN102304612A (en) * | 2011-09-20 | 2012-01-04 | 唐炳涛 | High-temperature splicing and quenching forming process and device of ultrahigh-strength steel |
| CN102873213A (en) * | 2012-10-21 | 2013-01-16 | 吉林大学 | Ultrahigh-strength steel plate local quenching and hardening forming die |
| CN207372165U (en) * | 2017-10-17 | 2018-05-18 | 麦格纳技术与模具***（天津）有限公司 | Same steel plate reaches the mold heating structure of variable strength |
-
2017
- 2017-10-17 CN CN201710962263.4A patent/CN107626830A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102259138A (en) * | 2011-05-03 | 2011-11-30 | 上海北特科技股份有限公司 | Thermal forming test die with cooling water path |
| CN102304612A (en) * | 2011-09-20 | 2012-01-04 | 唐炳涛 | High-temperature splicing and quenching forming process and device of ultrahigh-strength steel |
| CN102873213A (en) * | 2012-10-21 | 2013-01-16 | 吉林大学 | Ultrahigh-strength steel plate local quenching and hardening forming die |
| CN207372165U (en) * | 2017-10-17 | 2018-05-18 | 麦格纳技术与模具***（天津）有限公司 | Same steel plate reaches the mold heating structure of variable strength |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111842597A (en) * | 2020-07-14 | 2020-10-30 | 永胜机械工业（昆山）有限公司 | Titanium material and special metal pipe orifice extension forming equipment and method |
| CN114011974A (en) * | 2021-11-12 | 2022-02-08 | 东莞理工学院 | Insert type variable-strength hot forming die circulating cooling system |
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