CN107127254A - Hot stamping die cooling structure and its processing method - Google Patents
Hot stamping die cooling structure and its processing method Download PDFInfo
- Publication number
- CN107127254A CN107127254A CN201710500706.8A CN201710500706A CN107127254A CN 107127254 A CN107127254 A CN 107127254A CN 201710500706 A CN201710500706 A CN 201710500706A CN 107127254 A CN107127254 A CN 107127254A
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- China
- Prior art keywords
- water
- block
- cooling
- operation block
- support block
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/10—Die sets; Pillar guides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/16—Heating or cooling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
- B23P15/24—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass dies
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
- Mounting, Exchange, And Manufacturing Of Dies (AREA)
Abstract
The invention discloses a kind of hot stamping die cooling structure and its processing method, this structure includes operation block, support block and template, and the operation block is fixed with support block, and the support block is fixed with template；Some cooling-water ducts are provided with operation block, every cooling-water duct is equal with the working face distance of corresponding operation block；It is provided with and is connected with one-to-one two grades of water channels of cooling-water duct and Municipal secondary effluent passage, two grades of water channels with corresponding cooling-water duct water inlet end in support block, the Municipal secondary effluent passage is connected with corresponding cooling-water duct discharge ends；One-level water channel and one-level drainage channel are provided with template, the one-level water channel is connected with two grades of water channel water inlet ends, and the one-level drainage channel is connected with Municipal secondary effluent channel drainage end.The hot stamping die cooling structure produced by this processing method solves work department cooling-water duct and sets problem, substantially improves heat-punch member quenching effect.
Description
Technical field
The present invention relates to technical field of mold, more particularly to a kind of hot stamping die cooling structure and its processing method.
Background technology
It is the effective means for realizing body lightening using ultrahigh-strength steel plates formed automotive body part, but traditional cold stamping
High intensity and low elongation feature of the technological side to ultrahigh-strength steel plates at normal temperatures, it appears unable to do what one wishes, therefore drop stamping skill
Art is arisen at the historic moment, and it can solve the limitation of ultrahigh-strength steel plates forming property under normal temperature.
Drop stamping technology is a kind of advanced manufacturing technology for shaping superhigh intensity part, and its principle is first by unimach
Superhigh intensity heat parts after plate or preform are sent in special dies to more than 950 DEG C after complete austenitizing
Shaping, pressurize carries out die quenching afterwards for a period of time, under the quenching rate more than 30 DEG C/S, and drip molding microstructure is by Austria
Family name's body is changed into martensite, so that the intensity of final drip molding reaches more than 1500MPa.
In hot stamping die during quenching workpiece, hot stamping die cooling effectiveness directly affect workpiece forming property and
The mechanical property of part after shaping.In order to realize workpiece fast cooling, in the prior art, it is necessary to be set in hot stamping die cold
But aquaporin, is taken away heat by the cooling water flowed through in cooling-water duct in hot stamping die quenching workpiece；Cooling water
The design of passage determines hot stamping die cooling effectiveness, therefore, and the processing of cooling-water duct is of crucial importance, is hot stamping die
One of key technology of quenching.At present, in the complex hot stamping die of work department, cooling-water duct is difficult and corresponding work
Make the working face in portion while keeping spacing, if a cooling-water duct different positions and corresponding work department working face away from
Deviation away from it is excessive when, the cooling water of a cooling-water duct diverse location take away heat effect will gap it is larger, Jin Erhui
Influence the effect of quenching workpiece in hot stamping die.Therefore, cooling-water duct how is reduced in different positions and complicated shape
The working face range difference of work department away from be at present need solve the problem of.
The content of the invention
The purpose of the present invention is to be improved that there is provided a kind of hot stamping die cooling structure in view of the shortcomings of the prior art
And its processing method, the hot stamping die manufactured by the processing method solve complicated shape work department cooling-water duct setting
Problem, substantially improves heat-punch member quenching effect.
The technical proposal of the invention is realized in this way：
In a first aspect, the invention provides a kind of hot stamping die cooling structure, including work department and use for stamped workpieces
In the template of the fixed work department, the work department is divided into support block and operation block in vertical direction, and the support block is located at
Between operation block and template, the operation block is fixed with support block, and the support block is fixed with template；The operation block is provided with
Some cooling-water ducts a, cooling-water duct does not exist together the inwall of nearly operation block working face and the work of corresponding operation block
Identity distance is from equal, and the inwall of the nearly operation block working face of every cooling-water duct and the working face distance of corresponding operation block are homogeneous
Deng；It is provided with the support block and one-to-one two grades of water channels of cooling-water duct and Municipal secondary effluent passage, described two
Level water channel is connected with corresponding cooling-water duct water inlet end, the Municipal secondary effluent passage and corresponding cooling-water duct draining
End connection；One-level water channel and one-level drainage channel, the one-level water channel and two grades of water supply are provided with the template
Passage water inlet end is connected, and the one-level drainage channel is connected with Municipal secondary effluent channel drainage end.
Further, it is provided with soft foil metal between operation block and support block of the present invention.
Further, connected between operation block and support block of the present invention by screw and pin and junction welds close
Envelope.
Further, operation block of the present invention is punch-pin, cavity plate or holding pad.
Further, it is Curved that cooling-water duct of the present invention, which is overlooked,.
Further, it is linear that cooling-water duct of the present invention, which is overlooked,.
Further, one-level water channel of the present invention/one-level drainage channel diameter is more than two grades of water channel/bis- grade
Drainage channel diameter.
Second aspect, present invention also offers a kind of processing method of hot stamping die cooling structure, comprises the following steps：
1）When manufacturing work department, in vertical direction by working portion into operation block and support block, the connection of operation block and support block
Face surrounding is respectively provided with groove to weld；
2）Processing work block, support block and template；During processing work block, from the joint face of operation block and support block（Operation block work
Make the opposite side in face）Cooling-water duct is processed to operation block working face, makes cooling-water duct and corresponding operation block work interplanar distance
All the time it is equal；
3）Support block is fixed in template, it is ensured that one-level water channel is connected with two grades of water channel water inlet ends, one-level row
Aquaporin is connected with Municipal secondary effluent channel drainage end；
4）Soft foil metal is set in support block, and the soft foil metal is opened up mutually fits with two grades of water channels and Municipal secondary effluent passage
The through hole matched somebody with somebody；
5）Operation block pressurization is connected with support block, it is ensured that cooling-water duct water inlet end and two grades of water channels are corresponded and connected
Logical, cooling-water duct discharge ends are corresponded with Municipal secondary effluent passage and connected, and are consolidated operation block and support block with screw and pin
Fixed connection；
6）Along the gap of operation block and the joint face surrounding of support block by operation block and support block the company of welding by the way of built-up welding
Connect, core wire used is that heat resistant and wear resistant damages core wire during welding, it is ensured that the solder side after welding is high higher than operation block or support block
Degree；
7）Carrying out finishing to weld makes weld be flushed with the operation block or support block of weld both sides.
Further, step 3 of the present invention）The water inlet end of middle one-level water channel and the equal position in water side of one-level drainage channel
In template the same side.
Further, step 6 of the present invention）Middle solder side is higher than 1 ~ 3mm of operation block or support block.
Compared with prior art, the beneficial effects are mainly as follows：The present invention is by complicated shape in hot stamping die
Work department be divided into operation block with support block in vertical direction and process respectively, from the joint face of operation block and support block（Work
The opposite side of block working face）Cooling-water duct is processed to operation block working face, the cooling-water duct and operation block for making operation block work
Interplanar distance is equal all the time, solves complicated shape work department cooling-water duct and sets problem, improves complicated shape work department
Cooling effect, so as to substantially improve the quenching effect of drop stamping workpiece in mould.
Brief description of the drawings
Fig. 1 is the structural representation of the embodiment of the present invention；
Fig. 2 is Fig. 1 A-A views.
In accompanying drawing：1- operation blocks；2- support blocks；3- templates；4- soft foil metals；5- workpiece；6- screws and pin；
11- cooling-water ducts；Bis- grades of water channels of 21-；22- Municipal secondary effluent passages；Bis- grades of water channels of 31-；32- Municipal secondary effluents
Passage.
Embodiment
The present invention is described in detail with reference to the accompanying drawings and detailed description.
As shown in figure 1, a kind of hot stamping die cooling structure of the present embodiment, including the work department for stamped workpieces 5
With the template 3 for fixing the work department, the work department is divided into support block 2 and operation block 1, the support in vertical direction
Block 2 is located between operation block 1 and template 3, and the operation block 1 is fixed with support block 2, and the support block 2 is fixed with template 3.
As depicted in figs. 1 and 2, operation block 1 is provided with some cooling-water ducts 11, and a cooling-water duct 11 does not exist together
The inwall of nearly operation block working face is with the working face of corresponding operation block 1 apart from equal, every nearly operation block of cooling-water duct 11
The inwall of working face is equal with the working face distance of corresponding operation block 1.
As depicted in figs. 1 and 2, it is provided with support block 2 and 11 one-to-one two grades of water channels 21 of cooling-water duct
With Municipal secondary effluent passage 22, two grades of water channels 21 are connected with corresponding cooling-water duct water inlet end, the Municipal secondary effluent
Passage 22 is connected with corresponding cooling-water duct discharge ends.
As shown in figure 1, being provided with one-level water channel 31 and one-level drainage channel 32 in template 3, the one-level supplies water logical
Road 31 is connected with two grades of water channel water inlet ends, and the one-level drainage channel 32 is connected with Municipal secondary effluent channel drainage end.
As depicted in figs. 1 and 2, in the present embodiment, soft foil metal 4 is provided between operation block 1 and support block 2 cold to prevent
But water seepage, is connected and junction welded seal, cooling-water duct 11 between operation block 1 and support block 2 by screw and pin 6
Overlook as Curved, more than two grades Municipal secondary effluent passages of water channel 21/ of the diameter of 31/ one-level drainage channel of one-level water channel 32
22 diameters.Specifically, pin is used for position between operation block 1 and support block 2, screw be used for by operation block 1 and support block 2 it
Between fasten；In practical application, operation block 1 can be punch-pin, cavity plate or holding pad, and soft foil metal 4 can select copper sheet, can also
It is other resistant to elevated temperatures soft metals, the shape that cooling-water duct 11 can be specifically arrangement suitable for according to the shape of operation block 1 such as can be with
It is arranged to the mode of linear or the combination of multiple U-shapeds.
Present invention also offers a kind of processing method of hot stamping die cooling structure, comprise the following steps：
1）When manufacturing work department, in vertical direction by working portion into operation block 1 and support block 2, operation block 1 and support block 2
Joint face surrounding is respectively provided with groove to weld；
2）Processing work block 1, support block 2 and template 3；During processing work block 1, from the joint face of operation block 1 and support block 2（Work
Make the opposite side of the working face of block 1）Cooling-water duct 11 is processed to the working face of operation block 1, makes cooling-water duct 11 and corresponding work
Block work interplanar distance is equal all the time.
3）Support block 2 is fixed in template 3, it is ensured that one-level water channel 31 connects with two grades of water channel water inlet ends
Logical, one-level drainage channel 32 is connected with Municipal secondary effluent channel drainage end；The wherein water inlet end and one-level of one-level water channel 31
The water side of drainage channel 32 is respectively positioned on the same side of template 3.Specifically, the water inlet end of one-level water channel 31 leads to one-level draining
The water side in road 32 can also be located at the not homonymy of template 3, as long as convenient install.
4）Soft foil metal 4 is set in support block 2, and the soft foil metal 4 is opened up to be arranged with two grades of water channels 21 and two grades
The through hole that aquaporin 22 is adapted.
5）Operation block 1 is pressurizeed and is connected with support block 2, it is ensured that cooling-water duct water inlet end and two grades of water channels 21 are one by one
Correspondence connection, cooling-water duct discharge ends and Municipal secondary effluent passage 22 one-to-one corresponding is connected, with screw and pin 6 by operation block 1
It is fixedly connected with support block 2.
6）Operation block 1 and support block 2 are used to the side of built-up welding along the gap of operation block 1 and the joint face surrounding of support block 2
Formula is welded to connect, and core wire used is that heat resistant and wear resistant damages core wire during welding, it is ensured that solder side after welding higher than operation block 1 or
1 ~ the 3mm of surface of support block 2.
7）Carrying out finishing to weld makes weld be flushed with the operation block 1 or support block 2 of weld both sides.
The work department of complicated shape in hot stamping die is divided into operation block 1 and support block 2 simultaneously by the present invention in vertical direction
Process respectively, from the joint face of operation block 1 and support block 2（The opposite side of operation block working face）Process and cool down to operation block working face
Aquaporin 11, makes the cooling-water duct 11 of operation block 1 equal all the time with operation block work interplanar distance, solves complicated shape work
Portion's cooling-water duct 11 sets problem, improves the cooling effect of complicated shape work department, so as to substantially improve hot in mould
The quenching effect of stamped workpieces.
It is last it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention and it is unrestricted, although Shen
Ask someone that the present invention is described in detail with reference to preferred embodiment, it will be understood by those within the art that, to this hair
Bright technical scheme is modified or equivalent substitution, without departing from the objective and scope of the technical program, all should be covered at this
Among the right of invention.
Claims (10)
1. a kind of hot stamping die cooling structure, including the work department for stamped workpieces and the mould for fixing the work department
Plate；It is characterized in that：The work department is divided into support block and operation block in vertical direction, and the support block is located at operation block and mould
Between plate, the operation block is fixed with support block, and the support block is fixed with template；
The operation block is provided with some cooling-water ducts, and a cooling-water duct does not exist together the inwall of nearly operation block working face
Working face with corresponding operation block is apart from equal, the inwall of the nearly operation block working face of every cooling-water duct and corresponding work
The working face distance of block is equal；
It is provided with the support block and one-to-one two grades of water channels of cooling-water duct and Municipal secondary effluent passage, described two
Level water channel is connected with corresponding cooling-water duct water inlet end, the Municipal secondary effluent passage and corresponding cooling-water duct draining
End connection；
One-level water channel and one-level drainage channel, the one-level water channel and two grades of water channels are provided with the template
Water inlet end is connected, and the one-level drainage channel is connected with Municipal secondary effluent channel drainage end.
2. hot stamping die cooling structure according to claim 1, it is characterised in that：Between the operation block and support block
It is provided with soft foil metal.
3. hot stamping die cooling structure according to claim 2, it is characterised in that：Between the operation block and support block
Pass through screw and pin connection and junction welded seal.
4. hot stamping die cooling structure according to claim 1, it is characterised in that：The operation block is punch-pin, cavity plate
Or holding pad.
5. hot stamping die cooling structure according to claim 1, it is characterised in that：The cooling-water duct is overlooked to be curved
It is curved.
6. hot stamping die cooling structure according to claim 1, it is characterised in that：It is straight that the cooling-water duct, which is overlooked,
It is linear.
7. hot stamping die cooling structure according to claim 1, it is characterised in that：One-level water channel/the one-level
Drainage channel diameter is more than two grades of water channel/Municipal secondary effluent channel diameters.
8. a kind of processing method of hot stamping die cooling structure, using the hot stamping die described in any one of claim 1 ~ 7
The processing method of cooling structure, it is characterised in that comprise the following steps：
1）When manufacturing work department, in vertical direction by working portion into operation block and support block, the connection of operation block and support block
Face surrounding is respectively provided with groove to weld；
2）Processing work block, support block and template；During processing work block, from the connection of operation block and support block towards operation block work
Make face processing cooling-water duct, make cooling-water duct equal all the time with corresponding operation block work interplanar distance；
3）Support block is fixed in template, it is ensured that one-level water channel is connected with two grades of water channel water inlet ends, one-level row
Aquaporin is connected with Municipal secondary effluent channel drainage end；
4）Soft foil metal is set in support block, and the soft foil metal is opened up mutually fits with two grades of water channels and Municipal secondary effluent passage
The through hole matched somebody with somebody；
5）Operation block pressurization is connected with support block, it is ensured that cooling-water duct water inlet end and two grades of water channels are corresponded and connected
Logical, cooling-water duct discharge ends are corresponded with Municipal secondary effluent passage and connected, and are consolidated operation block and support block with screw and pin
Fixed connection；
6）Along the gap of operation block and the joint face surrounding of support block by operation block and support block the company of welding by the way of built-up welding
Connect, core wire used is that heat resistant and wear resistant damages core wire during welding, it is ensured that the solder side after welding is high higher than operation block or support block
Degree；
7）Carrying out finishing to weld makes weld be flushed with the operation block or support block of weld both sides.
9. the processing method of hot stamping die cooling structure according to claim 8, it is characterised in that：Step 3）Middle one-level
The water inlet end of water channel is respectively positioned on template the same side with the water side of one-level drainage channel.
10. the processing method of hot stamping die cooling structure according to claim 8, it is characterised in that：Step 6）Middle weldering
Junction is higher than 1 ~ 3mm of operation block or support block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710500706.8A CN107127254B (en) | 2017-06-27 | 2017-06-27 | Hot stamping die cooling structure and processing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710500706.8A CN107127254B (en) | 2017-06-27 | 2017-06-27 | Hot stamping die cooling structure and processing method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107127254A true CN107127254A (en) | 2017-09-05 |
| CN107127254B CN107127254B (en) | 2020-03-31 |
Family
ID=59735663
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710500706.8A Active CN107127254B (en) | 2017-06-27 | 2017-06-27 | Hot stamping die cooling structure and processing method thereof |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202114160U (en) * | 2011-05-03 | 2012-01-18 | 上海北特科技股份有限公司 | Thermoforming experimental mold with cooling water channel |
| CN202845532U (en) * | 2012-08-31 | 2013-04-03 | 浙江瑞隆汽车零部件有限公司 | Diaphragm spring forming mould |
| KR20130138570A (en) * | 2012-06-11 | 2013-12-19 | 현대자동차주식회사 | Press system |
| CN104923660A (en) * | 2014-03-20 | 2015-09-23 | 宝山钢铁股份有限公司 | Hot stamping die of snakelike cooling water channel type |
| CN206868936U (en) * | 2017-06-27 | 2018-01-12 | 重庆理工大学 | Mold cooling water road is set and sealing structure |
-
2017
- 2017-06-27 CN CN201710500706.8A patent/CN107127254B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202114160U (en) * | 2011-05-03 | 2012-01-18 | 上海北特科技股份有限公司 | Thermoforming experimental mold with cooling water channel |
| KR20130138570A (en) * | 2012-06-11 | 2013-12-19 | 현대자동차주식회사 | Press system |
| CN202845532U (en) * | 2012-08-31 | 2013-04-03 | 浙江瑞隆汽车零部件有限公司 | Diaphragm spring forming mould |
| CN104923660A (en) * | 2014-03-20 | 2015-09-23 | 宝山钢铁股份有限公司 | Hot stamping die of snakelike cooling water channel type |
| CN206868936U (en) * | 2017-06-27 | 2018-01-12 | 重庆理工大学 | Mold cooling water road is set and sealing structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107127254B (en) | 2020-03-31 |
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