CN101920441B - Processing method of upper die and lower die of die - Google Patents
Processing method of upper die and lower die of die Download PDFInfo
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- CN101920441B CN101920441B CN2010102477163A CN201010247716A CN101920441B CN 101920441 B CN101920441 B CN 101920441B CN 2010102477163 A CN2010102477163 A CN 2010102477163A CN 201010247716 A CN201010247716 A CN 201010247716A CN 101920441 B CN101920441 B CN 101920441B
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- mould
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- lower die
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- 238000003672 processing method Methods 0.000 title claims abstract description 13
- 238000013021 overheating Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 7
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000010438 heat treatment Methods 0.000 abstract 1
- 230000010354 integration Effects 0.000 abstract 1
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
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- Molds, Cores, And Manufacturing Methods Thereof (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The present invention provides a processing method of an upper die and a lower die of a die, and relates to the die production and manufacturing technical field, which aims to solve the technical problem that the upper die and the lower die of the die are easily mismatched to influence workpiece quality, thus causing the upper die and the lower die to be wasted. The processing method comprises the steps of cutting and boring holes: cutting an upper die blank and a lower die blank of the die twice and then shrinking inwards to obtain the needed upper die blank and the lower die blank of the die; boring holes on the upper die blank and the lower die blank with a machine tool to obtain needed first through holes and locating through holes; after the lower die blank of the die is subjected to heat treatment, boring holes with the machine tool to obtain locating through holes; aligning and fixing the upper die blank and the lower die blank of the die for integration, and then boring holes on the lower die blank with the machine tool from the through hole on the upper die to obtain needed second through holes-conical holes or horn holes. The upper die and the lower die of the die processed by the method has the advantages of convenient use, simple structure and good use effect, and is firm and durable, thus being applicable to wide popularization and application.
Description
Technical field: the present invention relates to mould manufacturing technology field, particularly the upper and lower mould processing method technical field of mould.
Background technology: existing mould, its method for manufacturing generally are last die body and the lower die bodies that cuts out certain size earlier, utilize lathe to hole then respectively, form the through hole of required upper die and lower die.In theory, the through hole of the upper die and lower die of such mould is upper and lower bore unanimity, but in the processing process that mould is applied to punch die, tends to find, along with after workpiece constantly is stamped, upper die and lower die cause easily and do not match.On the one hand, the discarded part that it is stamped out causes the counterdie through hole that stops up mould inevitably, causes the counterdie through hole of mould not smooth, influences effectively carrying out of follow-up punch die operation; On the other hand, because not the matching of upper die and lower die, the quality of workpiece is also produced bad influence, can directly cause scrapping of upper die and lower die like this.
Summary of the invention: technical problem to be solved by this invention provides and a kind ofly can overcome above-mentioned defective, the upper and lower mould coupling of mould, and after workpiece was stamped, workpiece quality was good, the upper and lower mould processing method of the mould that the counterdie through hole of mould is unobstructed.Solve this technical problem the technical scheme of employing: the upper and lower mould processing method of mould, comprise cutting and boring, promptly cut out last die body, the lower die body of mould earlier; Then with lathe to last die body, the lower die body of mould this two steps of holing, when it is characterized in that cutting, the size that will cut out last die body than mould, lower die body reality earlier is more greatly; The last die body of mould inwardly shrinks through cutting twice, obtains the last die body of required mould; With lathe the last die body of mould is holed, obtain the patrix of the mould of required first through hole; On the patrix of mould, also hole, obtain two positioning through hole with lathe; The lower die body of mould is placed the patrix below that is fixed on mould after Overheating Treatment; Aim at two positioning through hole on the patrix of mould, respectively the lower die body of mould is holed, obtain two positioning through hole on the lower die body of mould by lathe; Afterwards, fix a pilot pin respectively in two positioning through hole on two positioning through hole on the patrix of mould and the lower die body of mould, the patrix of mould and the lower die body of mould are fixed into one; Aim at described first through hole of the patrix of mould, the lower die body of mould is holed, obtain the second required through hole by lathe; Separate the pilot pin between the lower die body of the patrix be fixed on mould and mould; The lower die body of mould inwardly shrinks through cutting twice, obtains the counterdie of required mould; Described second through hole on the counterdie of described mould is processed into taper hole or the bellmouth orifice that top is little, the bottom is big; Described second through hole on the counterdie of described mould is processed into the taper hole or the bellmouth orifice of two above gradients; Used lathe is a Digit Control Machine Tool.The present invention compared with prior art has following beneficial effect: the 1. upper die and lower die of mould of the present invention, and precision is higher, coupling more, longer service life is of a specified duration; 2. described second through hole of the counterdie of mould of the present invention, its shape, structure are processed as taper hole or the bellmouth orifice that top is little, the bottom is big, like this, after workpiece is stamped, the discarded part that it is stamped out, very fast by described second through hole of counterdie, can not cause the obstruction of described second through hole of counterdie of mould; 3. described second through hole of the counterdie of mould of the present invention is processed into the taper hole or the bellmouth orifice of two above gradients, and like this, on the one hand, described second through hole of the counterdie of mould is easy to process, and on the other hand, described second through-hole structure of the counterdie of mould is more firm.
The specific embodiment: now elaborate embodiments of the invention.The upper and lower mould processing method of mould comprises cutting and boring, promptly cuts out last die body, the lower die body of mould earlier; Then with lathe to last die body, the lower die body of mould this two steps of holing, when it is characterized in that cutting, the size that will cut out last die body than mould, lower die body reality earlier is more greatly; The last die body of mould inwardly shrinks gradually through cutting twice, obtains the last die body of required mould; Then, with lathe particularly Digit Control Machine Tool the last die body of mould is holed, obtain the patrix of the mould of required first through hole; On the patrix of mould, also hole, obtain two positioning through hole with lathe; The lower die body of mould is placed the patrix below that is fixed on mould after Overheating Treatment; Aim at two positioning through hole on the patrix of mould, by lathe particularly Digit Control Machine Tool respectively the lower die body of mould is holed, obtain two positioning through hole on the lower die body of mould; Afterwards, fix a pilot pin respectively in two positioning through hole on two positioning through hole on the patrix of mould and the lower die body of mould, the patrix of mould and the lower die body of mould are fixed into one; Aim at described first through hole of the patrix of mould, by lathe particularly Digit Control Machine Tool the lower die body of mould is holed, obtain the second required through hole; Separate the pilot pin between the lower die body of the patrix be fixed on mould and mould; The lower die body of mould inwardly shrinks gradually through cutting twice, obtains the counterdie of required mould; Described second through hole on the counterdie of described mould is processed into taper hole or the bellmouth orifice that top is little, the bottom is big; Described second through hole on the counterdie of described mould is processed into the taper hole or the bellmouth orifice of two above gradients.Use the upper die and lower die of processing method processed mould of the present invention, precision is higher, more mates, and longer service life is of a specified duration; Described second through hole of the counterdie of mould of the present invention, its shape, structure are processed as taper hole or the bellmouth orifice that top is little, the bottom is big, like this, after workpiece is stamped, the discarded part that it is stamped out, very fast by described second through hole of counterdie, can not cause the obstruction of described second through hole of counterdie of mould; Described second through hole of the counterdie of mould of the present invention is processed into the taper hole or the bellmouth orifice of two above gradients, and like this, on the one hand, described second through hole of the counterdie of mould is easy to process, and on the other hand, described second through-hole structure of the counterdie of mould is more firm.Use the present invention to process, after workpiece was stamped, workpiece quality was good, and the following nib of mould is also unobstructed.The upper and lower mould of the mould that the present invention processes, easy to use, simple in structure, firm and durable, result of use is good, is suitable for wide popularization and application.
Claims (4)
1. the upper and lower mould processing method of mould comprises cutting and boring, promptly cuts out last die body, the lower die body of mould earlier; Then with lathe to last die body, the lower die body of mould this two steps of holing, when it is characterized in that cutting, the size that will cut out last die body than mould, lower die body reality earlier is more greatly; The last die body of mould inwardly shrinks through cutting twice, obtains the last die body of required mould; With lathe the last die body of mould is holed, obtain the patrix of the mould of required first through hole; On the patrix of mould, also hole, obtain two positioning through hole with lathe; The lower die body of mould is placed the patrix below that is fixed on mould after Overheating Treatment; Aim at two positioning through hole on the patrix of mould, respectively the lower die body of mould is holed, obtain two positioning through hole on the lower die body of mould by lathe; Afterwards, fix a pilot pin respectively in two positioning through hole on two positioning through hole on the patrix of mould and the lower die body of mould, the patrix of mould and the lower die body of mould are fixed into one; Aim at described first through hole of the patrix of mould, the lower die body of mould is holed, obtain the second required through hole by lathe; Separate the pilot pin between the lower die body of the patrix be fixed on mould and mould; The lower die body of mould inwardly shrinks through cutting twice, obtains the counterdie of required mould.
2. the upper and lower mould processing method of mould according to claim 1 is characterized in that described second through hole on the counterdie of described mould is processed into taper hole or the bellmouth orifice that top is little, the bottom is big.
3. the upper and lower mould processing method of mould according to claim 1 and 2 is characterized in that described second through hole on the counterdie of described mould is processed into the taper hole or the bellmouth orifice of two above gradients.
4. the upper and lower mould processing method of mould according to claim 1 is characterized in that used lathe is a Digit Control Machine Tool.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102477163A CN101920441B (en) | 2010-07-31 | 2010-07-31 | Processing method of upper die and lower die of die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102477163A CN101920441B (en) | 2010-07-31 | 2010-07-31 | Processing method of upper die and lower die of die |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101920441A CN101920441A (en) | 2010-12-22 |
| CN101920441B true CN101920441B (en) | 2011-09-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010102477163A Active CN101920441B (en) | 2010-07-31 | 2010-07-31 | Processing method of upper die and lower die of die |
Country Status (1)
| Country | Link |
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| CN (1) | CN101920441B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102806446B (en) * | 2012-09-03 | 2014-12-17 | 贵州安吉航空精密铸造有限责任公司 | Machining method for molds |
| CN103521621A (en) * | 2013-10-25 | 2014-01-22 | 昆山精创模具有限公司 | Female die for stamping of automobile parts and machining method thereof |
| CN104191547B (en) * | 2014-08-09 | 2016-09-21 | 歌尔股份有限公司 | Male and female die processing technique |
| CN104439998A (en) * | 2014-10-30 | 2015-03-25 | 吴中区光福良盛机械厂 | Ribbon retainer sizing matrix machining technology |
| CN107282788A (en) * | 2017-08-22 | 2017-10-24 | 江阴澄云机械有限公司 | A kind of mould manufacturing method |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4125007A (en) * | 1976-09-21 | 1978-11-14 | Kennametal Inc. | Punch and method of construction |
| DE10018823A1 (en) * | 2000-04-15 | 2001-10-31 | Mate Prec Tooling Gmbh | Die, comprising two parts made of alloys of different quality joined by friction welding |
| CN2579548Y (en) * | 2002-10-22 | 2003-10-15 | 湖南湘瓷科艺股份有限公司 | Metal base ceramic composite punch head |
| CN2761311Y (en) * | 2004-11-07 | 2006-03-01 | 洛阳轴承集团有限公司 | Combined roller punch |
| DE102006035927A1 (en) * | 2006-07-31 | 2008-02-14 | Drei-S-Werk Präzisionswerkzeuge GmbH & Co Fertigungs-KG | Tool pin for a tool mold and method for producing such a tool pin |
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| CN101920441A (en) | 2010-12-22 |
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| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Processing method of upper die and lower die of die Effective date of registration: 20160330 Granted publication date: 20110907 Pledgee: Industrial Commercial Bank of China Ltd. Putian branch Pledgor: PUTIAN CHENGXIANG XINGHUA ELECTRONIC MOLD CO.,LTD. Registration number: 2016350000029 |
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Date of cancellation: 20220712 Granted publication date: 20110907 Pledgee: Industrial Commercial Bank of China Ltd. Putian branch Pledgor: PUTIAN CHENGXIANG XINGHUA ELECTRONIC MOLD CO.,LTD. Registration number: 2016350000029 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: The upper and lower mold processing methods of molds Granted publication date: 20110907 Pledgee: Shanghai Pudong Development Bank Co.,Ltd. Putian Branch Pledgor: PUTIAN CHENGXIANG XINGHUA ELECTRONIC MOLD CO.,LTD. Registration number: Y2024980010252 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |