CN1111175A - Method for making die with variable impression camber - Google Patents
Method for making die with variable impression camber Download PDFInfo
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- CN1111175A CN1111175A CN 94105214 CN94105214A CN1111175A CN 1111175 A CN1111175 A CN 1111175A CN 94105214 CN94105214 CN 94105214 CN 94105214 A CN94105214 A CN 94105214A CN 1111175 A CN1111175 A CN 1111175A
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- die
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- epoxy resin
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Abstract
The present invention provides a making method of die for automobile casing and in the method, impression camber of die is changed by changing metallic impression panels. The moulds for impression panels are first produced with composite glass/plaster material, impression panels are then cast with alloy cast iron, and the die is finally made with the panels by means of screw bolts and thermal-sol composition process. The die thus made may be conveniently updated by replacing new impression panels.
Description
The present invention relates to the manufacturing process of metal die, specifically, it relates to topped manufacturing process with large mold of automobile.
In the auto manufacturing topped of vehicle body of compacting with large mold, generally on large-scale copying die milling machine, process with alloy cast iron blank, equipment investment greatly, demand strict technology, manufacturing cost height, process-cycle be long.Also have producer to adopt epoxy resin-base composite material to make topped punch die of automobile, the characteristics that cost is low, the manufacturing cycle is short are arranged, but service life is short, only is suitable for small batch production.Adopt method (fully steel-rimmed epoxy plastic dies fabrication technique and application local or that all inlay the steel mouth, patent of invention CN 86101869A), the service life of epoxy resin-base composite material mould can be improved to a certain extent, but requirement of mass production can not be satisfied.Along with the fierceness day by day of market competition, car production producer needs constantly to release new model handsome in appearance, mould that this just constantly need more renew, thereby expend great amount of investment.
The object of the present invention is to provide topped mould manufacturing method of a kind of new automobile, make that a kind of used car type is eliminated after, utilize old mould, spend few fund and time, can suppress topped of the vehicle body of new model, to adapt to the needs of market competition.
Realize that principle of the present invention is to insert by replacing metal profile to change the mold cavity curve form.At first technology master mould curved surface is separated into the plurality of sub piece according to certain rules, at each sub-piece top casting glass/composite gypsum material slurry, the prescription of this slurry is gesso 100%, 500# cement 0～15%, short glass fiber 0～25%, water 80%, after treating that slurry solidifies, with the set gypsum mould is model, adopts the foundry technique means to water to cast out the metal mold face to insert and polishes, revises work such as cleaning; Again prepared metal profile is inserted and be fixed in order on the technology master mould (or the good exemplar of supporting) that scribbles mold release, itself and profile are coincide, on inserting, punch die holder panel and each metal profile join brill then, tapping, the metal profile insert and the die holder panel between cast quartz stone/epoxy resin composite material slurry and link the die holder panel and metal mold is inserted with thru-bolt, scribble hot melt adhesive on bolt and the die holder panel, the prescription of its quartz/epoxy resin composite material slurry is: E-51 epoxy resin 40%, E-44 epoxy resin 60%, dibutyl phthalate 10～15%, diethylenetriamine 10～12%, 180～200 order silica flours 30～60%, 16～20 order quarz sanies 40～80%, 2～5 order quartzs 60～95%, used hot melt adhesive is the EVA hot melt adhesive, treats to go up the demoulding and correction from technology master mould (or the good exemplar of supporting) behind the resin solidification, the then required punch of polishing is made.Same process can be made into die.
If when needing to change the new model mould, the mold heated of then old profile being inserted or be: soaked 1～2 hour in the solution of methylene chloride 80%, formic acid 15%, phenol 5%, cresol 15% at prescription, promptly detachable then no metal is down inserted, and just can be made into required new mould by aforementioned way again.
Die holder and holding pad protruding, die are welded with steel plate.
Compare with existing technology, the present invention has following advantage:
1, the moulding cycle shortens significantly, and manufacturing cost reduces significantly.
2, utilize removable bolt and hot melt adhesive interlayer combination process, make the old profile of dismounting insert, replacing new model profile is inserted convenient feasible, can satisfy requirement of mass production.
Below in conjunction with drawings and Examples content of the present invention is described in detail as follows:
Fig. 1 is a variable impression camber punch die structure scheme drawing
Fig. 2 is the new model to be replaced scheme drawing of inserting
For the making example of topped drawing die of an automobile, the punch manufacturing process is as follows:
1, on topped technology master mould of automobile (or the good exemplar of supporting), fixing can the separation profile in an orderly manner or the frame of plurality of sub piece, successively at each sub-piece top casting glass/composite gypsum material slurry (prescription: gesso 100%, 500# cement 0～15%, short glass fiber 0～25%, water 80%).After treating that gypsum condenses, remove frame and separator of battery plates, the demoulding obtains the profile plaster mold of inserting.
2, be model founding or technologies such as employing precision cast, lost foam casting by plaster mold, cast out Q alloy cast iron profile to insert 4, see Fig. 1, profile is inserted 4, polishing light is revised, and cleans with acetone.The nickel chrome cast iron composition is as follows:
Carbon 3.0～3.3%, silicon 1.0～1.5%, manganese 0.5～1.0%, chromium 0.4～0.8% when nickel 1.25～1.75%(life requirements is not high, can adopt magnesium iron or grey pi iron).
3, profile is inserted 4 be fixed in according to the order of sequence on the technology master mould that scribbles mold release (or the good exemplar of supporting), make with profile and coincide.The mold release prescription is as follows:
Gasoline 100%.
4, punch die holder panel 1 and respectively insert and 4 join brill, tapping, glazing thru-bolt.Punch die holder panel 1 and bolt shank 7 are coated with EVA hot melt adhesive 6(prescription: EVA20～60%, paraffin 0～20%, abietic resin 20～40%, BHT0.1～1.0%, french talc 10～50%).
5, insert 4 and punch die holder panel 1 between cast quartz stone/epoxy resin composite material slurry 5, this formula of size is as follows:
E-51 epoxy resin 40%, E-44 epoxy resin 60%,
Dibutyl phthalate 10～15%, diethylenetriamine 10%,
180 order silica flours, 60%, 16 order quarz sand 75%,
4 order quarz sand material 95%.
6, the demoulding after 24 hours, correction polishing, the punch manufacturing finishes.
The die manufacturing process is as follows:
1, at punch profile upper berth sheet lead (thickness lacks 0.1mm than topped), spray varnish in surface is coated with soap water.
2, add separator of battery plates being covered with on the punch of sheet lead, casting glass/composite gypsum material slurry obtains the die profile model of inserting.
3, cast out Q alloy cast iron profile by plaster cast and insert, revise, polish smooth.
4, sheet lead surface paraffine mold release is inserted the die profile and 4 is fixed in according to the order of sequence on the sheet lead, makes identical.Die base plate 2 and insert and 4 join brill, tapping, glazing thru-bolt.Be coated with EVA hot melt adhesive 6 on bolt 7, die base plate 2 and the side plate.
5, cast quartz stone/epoxy resin composite material slurry in insert 4 and base plate 2 between, room curing 24 hours.The demoulding, correction, polishing light, the die manufacturing finishes.
Die holder protruding, die all adopts the steel plate welding to make, and can shorten die manufacturing cycle.
Adopt the steel plate welding manner to make bead stopper 3 simultaneously.
When needs are changed new model, can adopt physics or chemical method to dismantle old die insert, that is: mold heated to 140 ℃, be incubated 1 hour, make hot melt adhesive 6 disengagements, can pull down smoothly and oldly insert 4; Or at prescription be: soaked 1～2 hour in the solution of methylene chloride 80%, formic acid 15%, phenol 5%, cresol 15%, also can dismantle down easily and oldly insert 4 the position of inserting.Repeat aforementioned protruding, negative mold manufacture craft then, just can change new model die insert 8(and see Fig. 2).By that analogy, when needing, can on original mould die holder panel, change out the third generation, the 4th generation in the future ... the mold cavity of new model comes.
By topped mould of the prepared auto body of the present invention, the service life of its service life and the metal die that processed by large-scale copying die milling machine is close, but its manufacturing cost reduces greatly, and the manufacturing cycle shortens greatly, has improved the market competitiveness of producer.
Claims (5)
1, a kind of mould manufacturing method of variable curve form, it comprises the following steps:
(1) the technology master mould is separated into the plurality of sub piece, and at each sub-piece top casting glass/composite gypsum material slurry;
(2) be model to solidify the back plaster mold, adopt the foundry technique means to cast out the metal profile and insert and clean up, revise polishing;
(3) the metal profile is inserted be fixed in according to the order of sequence on the technology master mould that scribbles mold release (or the good exemplar of supporting), make itself and profile identical;
(4) on inserting, protruding, die die holder panel and each metal profile join brill, tapping, the metal profile insert and the die holder panel between cast quartz stone/epoxy resin composite material slurry and on thru-bolt link the die holder panel and metal mold is inserted, scribble hot melt adhesive on bolt and the die holder panel;
(5) go up the demoulding, correction, polishing from technology master mould (or the good exemplar of supporting) behind the resin solidification, punch is made; Be benchmark with the punch then, adopt same process to make die;
(6) will need the mold heated changed, hot melt adhesive is thrown off, or at prescription be: soaked 1～2 hour in the solution of methylene chloride 80%, formic acid 15%, phenol 5%, cresol 15%, dismounting metal is down inserted, the metal that more renews is inserted, and changes the profile surface shape.
2,, it is characterized in that the prescription of glass/composite gypsum material slurry is: gesso 100%, 500# cement 0～15%, short glass fiber 0～25%, water 80% according to the described mould manufacturing method of claim 1.
3,, it is characterized in that the prescription of quartz/epoxy resin composite material slurry is according to the described mould manufacturing method of claim 1:
E-51 epoxy resin 40%, E-44 epoxy resin 60%,
Dibutyl phthalate 10～15%, diethylenetriamine 10～12%,
180～200 order silica flours, 30～60%, 16～20 order quarz sanies 40～80%,
2～5 order quartzs 60～95%.
4, according to the described mould manufacturing method of claim 1, it is characterized in that the metal profile inserts, all scribble the EVA hot melt adhesive on protruding, die die holder panel, the binder bolt.
5,, it is characterized in that die holder and holding pad protruding, die are to be welded with steel plate according to the described mould manufacturing method of claim 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 94105214 CN1111175A (en) | 1994-05-05 | 1994-05-05 | Method for making die with variable impression camber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 94105214 CN1111175A (en) | 1994-05-05 | 1994-05-05 | Method for making die with variable impression camber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1111175A true CN1111175A (en) | 1995-11-08 |
Family
ID=5031973
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 94105214 Pending CN1111175A (en) | 1994-05-05 | 1994-05-05 | Method for making die with variable impression camber |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1111175A (en) |
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1310717C (en) * | 2002-10-30 | 2007-04-18 | 本田技研工业株式会社 | Mold for casting and method for manufacture thereof |
| CN101898230A (en) * | 2010-08-09 | 2010-12-01 | 江苏吉鑫风能科技股份有限公司 | Casting die for 5MW and above large-scale wind power components |
| CN1958717B (en) * | 2006-10-27 | 2011-05-18 | 河北东恒宇功能材料新技术有限公司 | Release agent of bonding agent in epoxies, and preparation method |
| CN102069127A (en) * | 2010-12-21 | 2011-05-25 | 常州华森医疗器械有限公司 | Universal forming die with upper and lower adjustable curved surfaces |
| CN101417307B (en) * | 2008-11-06 | 2011-07-06 | 四川集成天元模具制造有限公司 | New high-strength laser tailor-welded blanks drawing-mold processing technique |
| CN102601599A (en) * | 2012-04-01 | 2012-07-25 | 常熟市建华模具有限责任公司 | Method for processing neck mold of glass mold |
| CN102601598A (en) * | 2012-04-01 | 2012-07-25 | 常熟市建华模具有限责任公司 | Method for processing neck mold of glass mold |
| CN102701690A (en) * | 2012-01-05 | 2012-10-03 | 刘立文 | High-strength tire mould casting gypsum powder and preparation process thereof |
| CN104005044A (en) * | 2014-05-27 | 2014-08-27 | 滁州迪蒙德模具制造有限公司 | Cleaning agent for ink transfer type in-mold decoration moulds |
| CN105466696A (en) * | 2014-09-24 | 2016-04-06 | 标致雪铁龙(中国)汽车贸易有限公司 | Hand movement envelope testing system for testing vehicle handbrake device and testing method thereof |
| CN106077305A (en) * | 2016-06-15 | 2016-11-09 | 苏州市振业模具有限公司 | A kind of preparation method of automobile forming mould |
| CN107952879A (en) * | 2016-10-18 | 2018-04-24 | 标致雪铁龙集团 | A kind of automobile ceiling molding mould assembly |
| CN109590449A (en) * | 2019-01-14 | 2019-04-09 | 河南工业职业技术学院 | A kind of integrated cast structure and its method of Design of Die |
| CN111925152A (en) * | 2020-08-12 | 2020-11-13 | 薛寅 | Metal casting composite material and preparation method thereof |
-
1994
- 1994-05-05 CN CN 94105214 patent/CN1111175A/en active Pending
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1310717C (en) * | 2002-10-30 | 2007-04-18 | 本田技研工业株式会社 | Mold for casting and method for manufacture thereof |
| CN1958717B (en) * | 2006-10-27 | 2011-05-18 | 河北东恒宇功能材料新技术有限公司 | Release agent of bonding agent in epoxies, and preparation method |
| CN101417307B (en) * | 2008-11-06 | 2011-07-06 | 四川集成天元模具制造有限公司 | New high-strength laser tailor-welded blanks drawing-mold processing technique |
| CN101898230A (en) * | 2010-08-09 | 2010-12-01 | 江苏吉鑫风能科技股份有限公司 | Casting die for 5MW and above large-scale wind power components |
| CN102069127A (en) * | 2010-12-21 | 2011-05-25 | 常州华森医疗器械有限公司 | Universal forming die with upper and lower adjustable curved surfaces |
| CN102701690A (en) * | 2012-01-05 | 2012-10-03 | 刘立文 | High-strength tire mould casting gypsum powder and preparation process thereof |
| CN102701690B (en) * | 2012-01-05 | 2014-07-30 | 刘立文 | High-strength tire mould casting gypsum powder and preparation process thereof |
| CN102601598A (en) * | 2012-04-01 | 2012-07-25 | 常熟市建华模具有限责任公司 | Method for processing neck mold of glass mold |
| CN102601599A (en) * | 2012-04-01 | 2012-07-25 | 常熟市建华模具有限责任公司 | Method for processing neck mold of glass mold |
| CN104005044A (en) * | 2014-05-27 | 2014-08-27 | 滁州迪蒙德模具制造有限公司 | Cleaning agent for ink transfer type in-mold decoration moulds |
| CN105466696A (en) * | 2014-09-24 | 2016-04-06 | 标致雪铁龙(中国)汽车贸易有限公司 | Hand movement envelope testing system for testing vehicle handbrake device and testing method thereof |
| CN106077305A (en) * | 2016-06-15 | 2016-11-09 | 苏州市振业模具有限公司 | A kind of preparation method of automobile forming mould |
| CN107952879A (en) * | 2016-10-18 | 2018-04-24 | 标致雪铁龙集团 | A kind of automobile ceiling molding mould assembly |
| CN109590449A (en) * | 2019-01-14 | 2019-04-09 | 河南工业职业技术学院 | A kind of integrated cast structure and its method of Design of Die |
| CN111925152A (en) * | 2020-08-12 | 2020-11-13 | 薛寅 | Metal casting composite material and preparation method thereof |
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| WD01 | Invention patent application deemed withdrawn after publication |