CN107282788A

CN107282788A - A kind of mould manufacturing method

Info

Publication number: CN107282788A
Application number: CN201710725031.7A
Authority: CN
Inventors: 范其云
Original assignee: 江阴澄云机械有限公司
Priority date: 2017-08-22
Filing date: 2017-08-22
Publication date: 2017-10-24

Abstract

Inventive die manufacture method is related to mould manufacturing technology field.It is that the upper die and lower die of mould easily cause mismatch that it is to be solved, influences workpiece quality, the technical problem for causing upper die and lower die to be scrapped.Solve the technical scheme of the technical problem：A kind of mould manufacturing method, including cutting and drilling, upper die body, the lower die body of mould pass through cutting twice, to contract, the upper die body and lower die body of the mould needed for obtaining；Drilled through lathe, through hole and positioning through hole needed for obtaining；The lower die body of mould drills after Overheating Treatment through lathe, obtains positioning through hole；Upper die and lower die base substrate is aligned into one, the through hole through upper mould is drilled by lathe to lower die body, through hole tapered hole or horn-like hole needed for obtaining.

Description

A kind of mould manufacturing method

Technical field

The present invention relates to mould manufacturing technology field, more particularly to a kind of mould manufacturing method.

Background technology

Existing mould, its method for manufacturing usually first cuts out the upper die body and lower die body of certain size, Then it is utilized respectively lathe to be drilled, the through hole of the upper die and lower die needed for being formed.In theory, the upper mould of such mould and The through hole of lower mould is that upper and lower bore is consistent, but during mould to be applied to the processing of punch die, often, it can be seen that After being constantly stamped with workpiece, upper die and lower die easily cause mismatch.On the one hand, its discarded part being stamped out, can not Cause the lower mould through hole for blocking mould with avoiding, cause the lower mould through hole of mould not smooth, influence effectively entering for follow-up punch die process OK；On the other hand, due to the mismatch of upper die and lower die, the quality to workpiece also generates bad influence, so can directly lead Cause scrapping for upper die and lower die.

The content of the invention

The technical problems to be solved by the invention, which are to provide one kind, can overcome drawbacks described above, and workpiece quality is good, under mould The unobstructed mould manufacturing method of mould through hole.Solve the technical scheme of technical problem use：Mould manufacturing method, including cutting and Drilling, i.e., first cut out upper die body, the lower die body of mould；Then upper die body, the lower die body of mould are entered with lathe The two steps of row drilling, it is characterised in that during cutting, will first cut out upper die body, the chi of lower die body reality than mould It is very little will be more greatly；The upper die body of mould passes through cutting twice, to contract, the upper die body of the mould needed for obtaining；Use lathe The upper die body of mould is drilled, the upper mould of the mould of first through hole needed for obtaining；Lathe is also used on the upper mould of mould Drilled, obtain two positioning through hole；The lower die body of mould is after Overheating Treatment, and placement is fixed under the upper mould of mould Side；Two positioning through hole on the upper mould of mould are directed at, the lower die body of mould is drilled respectively by lathe, mould is obtained Two positioning through hole on the lower die body of tool；Afterwards, on the upper mould of mould two positioning through hole and the lower mold base of mould A pilot pin is fixed respectively in two positioning through hole on body, and the lower die body of the upper mould of mould and mould is integrally fixed； The first through hole of the upper mould of mould is directed at, the lower die body of mould is drilled by lathe, required second is obtained Through hole；Separation is fixed on the pilot pin between the upper mould of mould and the lower die body of mould；The lower die body of mould is by twice Cutting, to contract, the lower mould of the mould needed for obtaining；

Optionally, second through hole on the lower mould of described mould is processed into the taper hole or loudspeaker that top is small, bottom is big Hole.

Beneficial effect：

The upper die and lower die of the mould of the present invention, precision is higher, more matches, service life is more permanent；

Second through hole described in the lower mould of the mould of the present invention, its shape, construction be processed as top is small, bottom is big taper hole or Bellmouth orifice, so, after workpiece is stamped, its discarded part being stamped out passes through the second through hole, Bu Huiyin described in lower mould quickly Play the blocking of the second through hole described in the lower mould of mould；

Second through hole described in the lower mould of the mould of the present invention is processed into the taper hole or bellmouth orifice of more than two gradients, so, On the one hand, the second through hole described in the lower mould of mould is easy to process, and on the other hand, the second through-hole structure described in the lower mould of mould is more firm Gu.

Embodiment

A kind of mould manufacturing method, including cutting and drilling, i.e., first cut out upper die body, the lower die body of mould；So The two steps that drill are carried out to upper die body, the lower die body of mould with lathe afterwards, it is characterised in that during cutting, first to cut Go out the actual size of upper die body than mould, lower die body more greatly；The upper die body of mould passes through cutting twice, gradually to Contract, the upper die body of the mould needed for obtaining；Then, the upper die body of mould is carried out with lathe particularly Digit Control Machine Tool Drilling, the upper mould of the mould of first through hole needed for obtaining；Also drilled on the upper mould of mould with lathe, obtain two positioning Through hole；The lower die body of mould is placed and is fixed on below the upper mould of mould after Overheating Treatment；It is directed at two on the upper mould of mould Individual positioning through hole, is drilled to the lower die body of mould respectively by lathe particularly Digit Control Machine Tool, obtains the lower mould of mould Two positioning through hole on base substrate；Afterwards, on the upper mould of mould two on two positioning through hole and the lower die body of mould A pilot pin is fixed in individual positioning through hole respectively, the lower die body of the upper mould of mould and mould is integrally fixed；It is directed at mould Upper mould the first through hole, the lower die body of mould is drilled by lathe particularly Digit Control Machine Tool, obtain needed for The second through hole；Separation is fixed on the pilot pin between the upper mould of mould and the lower die body of mould；The lower die body warp of mould Cutting twice is crossed, gradually to contract, the lower mould of the mould needed for obtaining；Second through hole on the lower mould of described mould It is processed into top is small, bottom is big taper hole or bellmouth orifice；Second through hole on the lower mould of described mould is processed into two The taper hole or bellmouth orifice of above gradient.The upper die and lower die for the mould processed using processing method of the present invention, precision is higher, more Match somebody with somebody, service life is more permanent；Second through hole described in the lower mould of the mould of the present invention, its shape, construction are processed as that top is small, bottom Big taper hole or bellmouth orifice, so, after workpiece is stamped, its discarded part being stamped out, quickly by second described in lower mould Through hole, will not cause the blocking of the second through hole described in the lower mould of mould；Second through hole processing described in the lower mould of the mould of the present invention Into the taper hole or bellmouth orifice of more than two gradients, thus it is possible, on the one hand, the second through hole is easy to process described in the lower mould of mould, it is another Aspect, the second through-hole structure described in the lower mould of mould is more firm.Processed using the present invention, after workpiece is stamped, workpiece Quality is good, and the lower nib of mould is also unobstructed.The upper and lower mould for the mould that the present invention is processed, it is easy to use.

The embodiment of the present invention is described in detail above, specific case used herein to the principle of the present invention and Embodiment is set forth, and the explanation of above example is only intended to the method and its core concept for helping to understand the present invention； Simultaneously for those of ordinary skill in the art, according to the thought of the present invention, can in specific embodiments and applications There is change part, in summary, this specification content should not be construed as limiting the invention.

Claims

1. a kind of mould manufacturing method, including cutting and drilling, i.e., first cut out upper die body, the lower die body of mould；Then The two steps that drill are carried out to upper die body, the lower die body of mould with lathe, it is characterised in that：During cutting, first to cut Go out the actual size of upper die body than mould, lower die body more greatly；The upper die body of mould passes through cutting twice, inwardly receives Contracting, the upper die body of the mould needed for obtaining；The upper die body of mould is drilled with lathe, first through hole needed for obtaining The upper mould of mould；Also drilled on the upper mould of mould with lathe, obtain two positioning through hole；The lower die body of mould passes through After heat treatment, place and be fixed on below the upper mould of mould；Two positioning through hole on the upper mould of mould are directed at, are distinguished by lathe The lower die body of mould is drilled, two positioning through hole on the lower die body of mould are obtained；Afterwards, in the upper mould of mould On two positioning through hole and mould lower die body on two positioning through hole in fix a pilot pin respectively, by the upper of mould The lower die body of mould and mould is integrally fixed；The first through hole of the upper mould of mould is directed at, by lathe under mould Die body is drilled, and obtains the second required through hole；Separation is fixed between the upper mould of mould and the lower die body of mould Pilot pin；The lower die body of mould passes through cutting twice, to contract, the lower mould of the mould needed for obtaining.

2. mould manufacturing method according to claim 1, it is characterised in that described second on the lower mould of described mould Through hole is processed into the taper hole or bellmouth orifice that top is small, bottom is big.