CN102029310A - Integrated embedded pipe hot stamping die for automobile parts - Google Patents
Integrated embedded pipe hot stamping die for automobile parts Download PDFInfo
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- CN102029310A CN102029310A CN2009101967389A CN200910196738A CN102029310A CN 102029310 A CN102029310 A CN 102029310A CN 2009101967389 A CN2009101967389 A CN 2009101967389A CN 200910196738 A CN200910196738 A CN 200910196738A CN 102029310 A CN102029310 A CN 102029310A
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- die
- cooling water
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- hot stamping
- auto parts
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Abstract
The invention discloses an integrated embedded pipe hot stamping die for automobile parts, which comprises a female die, a male die, a water inlet joint, a water outlet joint and a sealing plug, wherein the female die and the male die are provided with profiles corresponding to structures and shapes of the automobile parts respectively. The integrated embedded pipe hot stamping die is characterized in that: cooling water pipelines are embedded in the female die and the male die, and the cooling water pipelines are arranged in a bend mode along with the directions of the profiles in the female die and the male die; and the female die and the male die with the structures have integral cast structures respectively. By adopting the combination of the straight-through pipe and the complex curved pipeline and adopting a cooling system with a shunt communicating groove and the sealing plug, the integrated hot stamping die for the complex automobile parts has simple, reliable and practical structure, the manufacture, use and maintenance costs of the hot stamping die are reduced, and the production cost of hot stamped parts is reduced.
Description
Technical field
The invention belongs to the sheet stamping forming field, particularly the pre-pipe laying hot stamping die of auto parts monoblock type.
Background technology
Drop stamping is the novel forming technique that grows up nearest two more than ten years, its technology characteristics is that the Boron steel plate of green strength about 400-600Mpa is heated to the austenitic temperature scope, move quickly into mould and punching press fast, under the press packing state, cool off part fast to realize quenching strengthening by mould, obtain about martensitic structure and 1500Mpa, even higher tensile strength.The use of drop stamping part on body structure can improve the crashworthiness of vehicle body greatly, alleviates body in white weight, satisfies automobile industry to security, the requirement of energy-conserving and environment-protective and comfortableness.Directly in mould, quench behind the sheet forming after drop stamping technology and traditional cold punching press maximum different are to heat.In order to reach the desired even cooling effect of drop stamping technology and certain cooling velocity, need in hot stamping die, arrange cooling water pipe uniformly, and the distance between cooling pipe and the die face need remain on 10-15mm.At present, on the body of a motor car there be the part of applied heat stamping technology production: B post, A post, C post; Crash bar (beam); Bumper; The roof buttress brace; Other vehicle body, chassis structure spare, reinforcement etc.
External hot stamping die all adopts the sectional type design at present, one mold generally is divided into 8-10 and inserts, mode with machine drilling in each is inserted is processed cooling water pipeline, and will respectively insert then is assembled together, and all cooling lines of inserting connect into complete cooling system.The result of this scheme is exactly the mold cooling water system complex, to boring processing, and the sealing of cooling system joint portion, the required precision of the assembling of inserting is high; Process-cycle is long, and expense is expensive high; The sealing position is many, is prone to the defective that cooling water is revealed, and the accumulation of error of making assembling is big, easily causes part profile off-dimension, mould structure complexity, maintaining complexity, cost height.
Summary of the invention
The objective of the invention is to be to design the pre-pipe laying hot stamping die of a kind of auto parts monoblock type, it is simple in structure, and is reliable and practical, reduces manufacturing, use, the maintenance cost of hot stamping die, reduces the production cost of drop stamping part.
Technical scheme of the present invention is,
The pre-pipe laying hot stamping die of auto parts monoblock type comprises die, punch, water inlet joint, delivery port joint and seal plug; Offer respectively on die, the punch and the corresponding profile of auto parts planform; It is characterized in that, pre-buried cooling water pipeline in die, the punch, cooling water pipeline moves towards curved arrangement with profile in die, punch; The punch of said structure, die are respectively the monoblock cast structure.
Further, described die, punch end are provided with the shunting connectivity slot, and cooling water pipe route shunting connectivity slot pre-buried in the die, punch connects, and the fitted seal plug forms the cooling water path of complete connection; The all external water inlet joint of die, punch and a delivery port joint.
Have the bolt hole that is used to connect seal plug, water inlet joint or delivery port joint around the described shunting connectivity slot.
Again, processing is used to place the groove of O RunddichtringO around the described shunting connectivity slot, and the O RunddichtringO is put into groove, is positioned at the centre of seal plug and die, punch, connects die, punch die body and seal plug by bolt.
In addition, water inlet joint of the present invention or the design of delivery port joint geometry are identical with seal plug, cross section employing and die, the consistent shape of punch end face, there are water inlet or delivery port in the centre, and water inlet joint or delivery port joint are threaded with external cooling water pipe.
Described cooling water pipe curb die face moves towards to adopt 6-8 root cooling water pipe curved arrangement, or arranges the direct-cooled but water pipe of 3-4 root.The cooling water pipe diameter is 8-20mm.Distance between the cooling water tube wall is not less than 10mm, with the distance maintenance 10-15mm on die face surface.
Drop stamping is passed through heat tracing with steel in adding electrothermal stove, plate after will being heated by quick manipulator moves to be intended declaring in the monoblock type hot stamping die of patent, the quick matched moulds of press is shaped, simultaneously, die surface and the heat exchange of high temperature plate, the cooling plate, the recirculated cooling water in the mould is taken away heat, reaches part is formed the purpose of quenching in the back.
The T connector end processes the shunting connectivity slot, respective line is connected into complete cooling water peripheral passage; The cooling water that will enter each branch line in the groove during work of shunting connectivity slot mixes, and makes temperature, and isostasy branches to out the groove water pipe with the cooling water behind the mixing simultaneously.
The out-of-shape of shunting connectivity slot is decided groove depth 30mm according to the distribution of water pipe gateway.For seal plug or Inlet and outlet water joint are connected with end face, around the shunting connectivity slot bolt hole is arranged, processing is used to place " " type groove of O sealing ring around the shunting connectivity slot; Sealing ring is put into groove during work, is positioned at the centre of seal plug and die body, connects die body and seal plug by bolt.
Seal plug is mounted in mould shunting connectivity slot end, be used in combination with sealing ring, prevent the device that cooling water leaks, adopt the profile identical with die face, arranged around 10-12 connecting bolt hole, be used to connect seal plug and die body, and the O RunddichtringO be compressed in the groove of die body.
The Inlet and outlet water joint, its shaped design and seal plug are basic identical.The shape consistent with die face adopted in the cross section.There are water inlet or delivery port in the centre, and joint has internal thread, is used for the connection of external cooling water pipe.10-11 bolt hole arranged around the joint, be used for being connected of joint and casting mould piece.
Beneficial effect of the present invention
Mould provided by the invention is by pre-buried cooling water pipe, and the sectional type design of existing mold employing is being made on process-cycle and the cost and will significantly reduced relatively.Simplify the mold integral structure, assembling and setting is easy, and the reduction cooling water is revealed the frequency of defective, and working service is convenient, and mold integral processing, has reduced the accumulation of error of making and assembling, part type surface accuracy height.Can be applicable to the batch process of tide of motorism punching parts, will significantly reduce the production cost of drop stamping part and use threshold.
Description of drawings
Fig. 1 is the schematic diagram of punch of the present invention;
Fig. 2 is the vertical view of Fig. 1;
Fig. 3 is the schematic diagram of die of the present invention;
Fig. 4 is the vertical view of Fig. 3;
Fig. 5 is a punch cooling water pipeline design diagram of the present invention;
Fig. 6 is a die cooling water pipeline design diagram of the present invention;
Fig. 7 is a monoblock type hot stamping die installation diagram of the present invention;
Fig. 8 is the vertical view of Fig. 7;
Fig. 9 is the schematic diagram of punch shunting connectivity slot of the present invention;
Figure 10 is the A portion enlarged diagram of Fig. 9;
Figure 11 is the schematic diagram of water inlet joint of the present invention;
Figure 12 is the schematic diagram of delivery port joint of the present invention.
The specific embodiment
Referring to Fig. 1～Figure 12, the pre-pipe laying hot stamping die of auto parts monoblock type of the present invention is an example with automobile B-column class part, this mould comprises, mould die 1, punch 2 are offered respectively on it and the corresponding profile 11,21 of automobile B-column class design of part shape, and two ends are the T type; Arrange cooling water pipeline 3,4 in the profile of mould die 1, punch 2, cooling water pipeline 3,4 is connected by shunting connectivity slot 5,6, and fitted seal plug 7,8 forms two groups and flows to different connection cooling water path; 12,22 and delivery port joints 13,23 of all external water inlet joint of mould die 1 and punch 2, and with the shunting connectivity slot 5,6 be communicated with; 6-8 root branch line 31,41 curved arrangement are moved towards to adopt with die face in cooling water pipeline 3,4 middle part in profile.3-4 root cooling water pipe is arranged along the part profile in the T connector part termination of mould die 1, punch 2.
The T connector end of described mould die 1, punch 2 processes shunting connectivity slot 5,6, and respective line is connected into complete cooling water peripheral passage; Shunting connectivity slot 5,6 each branch line 31,41 interior with entering groove is communicated with.
The cooling water pipe of arranging in the described mould die 1 is single.
Described shunting connectivity slot 6 (is example with punch 2) has bolt hole 9 on every side, and processing is used to place the groove 10 of O RunddichtringO around shunting connectivity slot 6.
The O RunddichtringO is put into groove 10, is positioned at the centre of seal plug and die body (punch 2), connects die body and seal plug by bolt.
The design of Inlet and outlet water joint geometry is basic identical with seal plug, and the shape consistent with die face adopted in the cross section, and there are water inlet or delivery port in the centre, and joint has internal thread, is used for the connection of external cooling water pipe; Be useful on the bolt hole that joint is connected with the casting die body around the joint.
The cooling water pipe diameter is 8-20mm, and the distance between the cooling water tube wall is not less than 10mm, with the distance maintenance 10-15mm on die face surface.
With two seal plugs, after the delivery port joint was installed in water inlet joint and delivery port joint on the casting die, the pre-buried pipeline of mould inside had formed by the cooling water peripheral passage of water inlet to delivery port.System is connected on respectively on entry and the delivery port by the mode that is threaded during with external cooling.Mould is in when work, and cooling water enters mould by the water inlet joint, and the place splits into two-way at the shunting connectivity slot, wherein one the road flow through 4 straight-through water pipes, after shunting connectivity slot place converges, branch to the curved water pipe of 3 U types once more, arrive the shunting connectivity slot; Other one road current branch to 3 straight-through water pipes through the curved water pipe of 3 U types once more after shunting connectivity slot place converges, arrive shunting connectivity slot and last road cooling water and converge, and flow out mould through delivery port.Cooling water constantly is circulated between the pre-buried cooling line and external refrigeration system of mould, just can the die surface of high temperature be cooled off.
Claims (8)
1. the pre-pipe laying hot stamping die of auto parts monoblock type comprises die, punch, water inlet joint, delivery port joint and seal plug; Offer respectively on die, the punch and the corresponding profile of auto parts planform; It is characterized in that, pre-buried cooling water pipeline in die, the punch, cooling water pipeline moves towards curved arrangement with profile in die, punch; The punch of said structure, die are respectively the monoblock cast structure.
2. the pre-pipe laying hot stamping die of auto parts monoblock type as claimed in claim 1, it is characterized in that described die, punch end are provided with the shunting connectivity slot, cooling water pipe route shunting connectivity slot pre-buried in die, the punch connects, the fitted seal plug forms the cooling water path of complete connection; The all external water inlet joint of die, punch and a delivery port joint.
3. the pre-pipe laying hot stamping die of auto parts monoblock type as claimed in claim 1 is characterized in that, has the bolt hole that is used to connect seal plug, water inlet joint or delivery port joint around the described shunting connectivity slot.
4. the pre-pipe laying hot stamping die of auto parts monoblock type as claimed in claim 1, it is characterized in that, processing is used to place the groove of O RunddichtringO around the described shunting connectivity slot, the O RunddichtringO is put into groove, be positioned at the centre of seal plug and die, punch, connect die, punch die body and seal plug by bolt.
5. the pre-pipe laying hot stamping die of auto parts monoblock type as claimed in claim 1, it is characterized in that, described water inlet joint or the design of delivery port joint geometry are identical with seal plug, cross section employing and die, the consistent shape of punch end face, there are water inlet or delivery port in the centre, and water inlet joint or delivery port joint are threaded with external cooling water pipe.
6. the pre-pipe laying hot stamping die of auto parts monoblock type as claimed in claim 1 is characterized in that, described cooling water pipe curb die face moves towards to adopt 6-8 root cooling water pipe curved arrangement, or arranges the direct-cooled but water pipe of 3-4 root.
7. as claim 1 or the pre-pipe laying hot stamping die of 6 described auto parts monoblock types, it is characterized in that described cooling water pipe diameter is 8-20mm.
8. as claim 1 or the pre-pipe laying hot stamping die of described auto parts monoblock type, it is characterized in that the distance between the described cooling water tube wall is not less than 10mm, with the distance maintenance 10-15mm on die face surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101967389A CN102029310A (en) | 2009-09-29 | 2009-09-29 | Integrated embedded pipe hot stamping die for automobile parts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101967389A CN102029310A (en) | 2009-09-29 | 2009-09-29 | Integrated embedded pipe hot stamping die for automobile parts |
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| Publication Number | Publication Date |
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| CN102029310A true CN102029310A (en) | 2011-04-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2009101967389A Pending CN102029310A (en) | 2009-09-29 | 2009-09-29 | Integrated embedded pipe hot stamping die for automobile parts |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102212742A (en) * | 2011-05-16 | 2011-10-12 | 马鸣图 | Hot-stamping automobile part with flexibly-distributed intensity and control method thereof |
| CN102773339A (en) * | 2011-10-17 | 2012-11-14 | 机械科学研究总院先进制造技术研究中心 | Embedded pipeline type casting mould |
| CN103143630A (en) * | 2013-04-07 | 2013-06-12 | 机械科学研究总院先进制造技术研究中心 | Heat-punching composite mould |
| CN104043732A (en) * | 2013-03-15 | 2014-09-17 | 现代自动车株式会社 | Hot stamping mold |
| CN104815908A (en) * | 2015-05-06 | 2015-08-05 | 翟述基 | Water cooling mold for high-strength steel plate stamping part thermal forming |
| CN107052163A (en) * | 2017-06-29 | 2017-08-18 | 奇瑞汽车股份有限公司 | Drawing die |
| CN107971411A (en) * | 2016-10-21 | 2018-05-01 | 福特汽车公司 | Method for the quality for monitoring hot stamping part |
| CN108421898A (en) * | 2018-04-24 | 2018-08-21 | 大连理工大学 | A kind of female conformal cooling pipe mold of band and its manufacturing method |
| CN108421898B (en) * | 2018-04-24 | 2024-05-03 | 大连理工大学 | Conformal cooling pipeline mold with internal threads and manufacturing method thereof |
-
2009
- 2009-09-29 CN CN2009101967389A patent/CN102029310A/en active Pending
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102212742A (en) * | 2011-05-16 | 2011-10-12 | 马鸣图 | Hot-stamping automobile part with flexibly-distributed intensity and control method thereof |
| CN102773339A (en) * | 2011-10-17 | 2012-11-14 | 机械科学研究总院先进制造技术研究中心 | Embedded pipeline type casting mould |
| CN104043732A (en) * | 2013-03-15 | 2014-09-17 | 现代自动车株式会社 | Hot stamping mold |
| CN103143630A (en) * | 2013-04-07 | 2013-06-12 | 机械科学研究总院先进制造技术研究中心 | Heat-punching composite mould |
| CN103143630B (en) * | 2013-04-07 | 2016-03-09 | 机械科学研究总院先进制造技术研究中心 | A kind of drop stamping compound die |
| CN104815908A (en) * | 2015-05-06 | 2015-08-05 | 翟述基 | Water cooling mold for high-strength steel plate stamping part thermal forming |
| CN107971411A (en) * | 2016-10-21 | 2018-05-01 | 福特汽车公司 | Method for the quality for monitoring hot stamping part |
| CN107971411B (en) * | 2016-10-21 | 2021-09-03 | 福特汽车公司 | Method for monitoring the quality of hot-stamped components |
| US11229935B2 (en) | 2016-10-21 | 2022-01-25 | Ford Global Technologies, Llc | Method for monitoring quality of hot stamped components |
| CN107052163A (en) * | 2017-06-29 | 2017-08-18 | 奇瑞汽车股份有限公司 | Drawing die |
| CN108421898A (en) * | 2018-04-24 | 2018-08-21 | 大连理工大学 | A kind of female conformal cooling pipe mold of band and its manufacturing method |
| CN108421898B (en) * | 2018-04-24 | 2024-05-03 | 大连理工大学 | Conformal cooling pipeline mold with internal threads and manufacturing method thereof |
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Application publication date: 20110427 |