CN101905515A - Method for realizing zero mismatch of parting surface of injection molding or die-casting die and die - Google Patents
Method for realizing zero mismatch of parting surface of injection molding or die-casting die and die Download PDFInfo
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- CN101905515A CN101905515A CN 201010237127 CN201010237127A CN101905515A CN 101905515 A CN101905515 A CN 101905515A CN 201010237127 CN201010237127 CN 201010237127 CN 201010237127 A CN201010237127 A CN 201010237127A CN 101905515 A CN101905515 A CN 101905515A
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Abstract
The invention relates to a method for realizing the zero mismatch of a parting surface of an injection molding or die-casting die and the die. Under the condition of maintaining a complete combining part of a parting surface of a fixed die and a moving die and a die cavity, the fixed die or/and the moving die are divided into at least two parts near the combining part which cannot be polished manually or mechanically in the fixed die and moving die with at least one parting surface, wherein the two parts with the complete combining part are locked to form a whole through a positioning mechanism, and the combining part is polished until the combining part reaches zero mismatch. In the method, the zero mismatch can be reached at one time without trying and repairing dies for multiple times. In addition, through the method, the mismatch of the die can be detected by naked eyes or handfeel.
Description
Technical field
The present invention relates to a kind of method and mould thereof of realizing injection moulding or die casting zero mismatch of parting surface.
Background technology
Casing class mould (containing the die casting class) is toy particularly, household electrical appliances, and the automotive-type product is to its size, appearance requirement is more and more higher, and size often requires to be controlled at ± 0.1MM, and the requirement of die joint offset (being step) is harsh especially, because offset can influence outward appearance, safety, feel also has follow-up processing.For example: electroplate plastic cement (alloy die cast) product, oil spout etc. can be amplified offset.Therefore, generally requiring parting line is only as seen not have feel.And existing mold processing, mainly be to rely on machining apparatus such as accurate CNC machining center or accurate electrode EDM to process, generally internal mold part glue position size and position of related features can be controlled at ± 0.02MM, but, product surface needs the light face, when perhaps requiring mirror finish, also needs to take manual polishing, the vestige that is produced with cutter or discharge processing back is removed in polishing.In die manufacture, because of the mold base mismachining tolerance, the electrode mismachining tolerance, the internal mold mismachining tolerance, internal mold is inlayed error, and front and back mould die joint applying error or the like accumulative total causes die joint to exist offset inevitable.
Referring to Fig. 4, Fig. 4 is the planar structure schematic diagram of existing mold.Among Fig. 4, cover half 100 and dynamic model 200 closures, at the die joint 300 of cover half 100 and dynamic model 200, and can there be offset in the joint portion between the die cavity 500 400.Solving now the problem of offset, mainly is to rely on high-precision process equipment, and artificial experience, improves the precision of controlling offset through repairing a die repeatedly, its also can only with break and be controlled at ± 0.03MM in.Also accomplish zero mismatch once in a while, but unstable.And high precision equipment, it costs an arm and a leg, and non-general mould factory can realize, adds the personnel that will have wide experience to operate, and polishing, it becomes manufacturing cost to be multiplied.And general small-scale mould factory owing to there is not high-precision process equipment, adopts repeatedly die trial to repair a die mostly and reduces offset.Promptly by repeatedly repair a die, die trial, until customer satisfaction.Repair a die often, the inevitable time is long, the cost height.Therefore, the die joint offset is the technological difficulties of injection moulding or die casting industry.
Summary of the invention
Use the problems referred to above in order to restrain, the present invention to society provide a kind of can be in the joint portion that manual or mechanical polishing can't arrive, disposable the die joint of fixed half and moving half and the complete joint portion of die cavity are polished to the realization injection moulding of zero mismatch or the method for die casting zero mismatch of parting surface.
Second purpose of the present invention provides a kind of mould with zero mismatch of parting surface.
Technical scheme of the present invention provides a kind of method that realizes injection moulding or die casting zero mismatch of parting surface; in the fixed half and moving half that has a die joint at least; near the joint portion that manual or mechanical polishing can't arrive; under the situation of the complete joint portion of die joint that keeps fixed half and moving half and die cavity; with described cover half or/and dynamic model is divided at least two parts; two parts that wherein have complete joint portion are locked into one by detent mechanism; and the joint portion carried out polishing, reach zero mismatch until the joint portion.
Among the present invention, described polishing is with mechanical or manual the joint portion to be polished.
Among the present invention, described detent mechanism is to be provided with projection on the die joint of cover half, die joint and the corresponding position of described projection at dynamic model are provided with the recess that matches with convex shape, when dynamic model and cover half closure, described projection is just in time stretched in recess, with both location, with screw rod fixed half and moving half is locked again.Perhaps, described detent mechanism is to be provided with projection on the die joint of dynamic model, die joint and the corresponding position of described projection at cover half are provided with the recess that matches with convex shape, when dynamic model and cover half closure, described projection is just in time stretched in recess, with both location, with screw rod fixed half and moving half is locked again.
The present invention also provides a kind of mould with zero mismatch of parting surface; comprise fixed half and moving half; described fixed half and moving half has a die joint at least; near the joint portion that manual or mechanical polishing can't arrive; under the situation of the complete joint portion of die joint that keeps fixed half and moving half and die cavity; or/and dynamic model is divided at least two parts, two parts that wherein have complete joint portion connect by detent mechanism with described cover half, and described joint portion is a zero mismatch.
Among the present invention, above-mentioned detent mechanism is to be provided with projection on the die joint of cover half, is provided with the recess that matches with convex shape in the die joint and the corresponding position of described projection of dynamic model, when dynamic model and cover half closure, described projection is just in time stretched in recess, with both location.Perhaps, described detent mechanism is to be provided with projection on the die joint of dynamic model, is provided with the recess that matches with convex shape in the die joint and the corresponding position of described projection of cover half, when dynamic model and cover half closure, described projection is just in time stretched in recess, with both location.
Die joint among the present invention is meant the plane that dynamic model and cover half can contact when closing with state.And dynamic model or cover half are convenient as molding because of some reason, and are divided into several mold volumes, and these contact-making surfaces between the mold volume of dynamic model or cover half are referred to as divisional plane.
The present invention adopts after dynamic model and cover half closure; near the joint portion that manual or mechanical polishing can't arrive; under the situation of the complete joint portion of die joint that keeps fixed half and moving half and die cavity; with described cover half or/and dynamic model is divided at least two parts; two parts that will wherein have complete joint portion again are to connect by detent mechanism; carry out the method for polishing again; so just can not need repeatedly die trial; repair a die and just can reach the purpose that offset closes the symbol requirement; in addition; this method can also make things convenient for the direct naked eyes of mould offset to detect, and perhaps feel detects.Simultaneously, the present invention also provides a kind of mould of zero section, and this mould has low cost of manufacture, and its joint portion is the advantage of zero section.
Description of drawings
Fig. 1 is the decomposition planar structure schematic diagram of an embodiment of the present invention.
Fig. 2 is the planar structure schematic diagram after Fig. 1 makes up.
Fig. 3 is the planar structure schematic diagram of another kind of embodiment.
Fig. 4 is the planar structure schematic diagram of existing mold.
The specific embodiment
A kind of method that realizes injection moulding or die casting zero mismatch of parting surface provided by the invention, referring to Fig. 1 and Fig. 2, it is in cover half 2 that has a die joint 1 at least and dynamic model 3, near the joint portion 4 that manual or mechanical polishing can't arrive, under the situation of the complete joint portion 4 of die joint that keeps cover half 2 and dynamic model 3 and die cavity 5, with 2 two parts of described cover half, be fraction 21 and most of 22, wherein fraction 21 is locked into one by detent mechanism 31 with dynamic model 3, after removing most of 22, can be very easily to joint portion 4 by hand or mechanical mode carry out polishing, reach zero mismatch until joint portion 4.In the present embodiment, described polishing is the process of the joint portion being polished with mechanical or manual.
Among the present invention, described detent mechanism 31 is to be provided with projection 23 on the die joint of the fraction 21 of cover half 2, die joint and described protruding 23 corresponding positions at dynamic model 3 are provided with the recess 32 that matches with protruding 23 shapes, projection 23 in the present embodiment be shaped as truncated rectangular pyramids, obviously, described protruding 23 also can be other shape, as garden platform shape, column shape etc., so long as with after projection 23 and recess 32 cooperations, can play can with fraction 21 and dynamic model 3 positioning instants; When dynamic model 3 and cover half 2 closures, described protruding 23 just in time stretch in recess 32, with both location, with screw rod 6 cover half 2 and dynamic model 3 are locked again.Perhaps, described detent mechanism 31 also can be designed to, on the die joint of dynamic model 3, be provided with projection, die joint and the corresponding position of described projection at cover half 2 are provided with the recess that matches with convex shape, when dynamic model and cover half closure, described projection is just in time stretched in recess, with both location, with screw rod fixed half and moving half is locked again.After 2 lockings of dynamic model 3 and cover half, 4 carry out polishing in the joint portion again, because dynamic model 3 and cover half 2 relative fixed just can realize that its joint portion 4 is polished to zero mismatch.And, because cover half 2 has only fraction 21 and dynamic model 3 relative fixed when polishing, like this, help people with the naked eye or feel detect the offset situation of joint portion 4.Save the tired brain that original repeatedly die trial repairs a die, greatly reduce the molding cost.
Obviously, among the present invention, also can be that dynamic model 3 is divided into two parts, one of them part is locked mutually with cover half, can also be simultaneously dynamic model and cover half to be divided into two respectively, with the part of its cover half and the part locking of dynamic model.That is to say, core of the present invention is near the joint portion 4 that will can't arrive in manual or mechanical polishing, under the situation of the complete joint portion 4 of die joint that keeps cover half 2 and dynamic model 3 and die cavity 5, with cover half 2 or/and dynamic model 3 is divided at least two parts, with wherein having the part locking of common joint portion, in order to polishing.Therefore, though in the present embodiment, just cover half has been divided into two parts as required, but, in fact, no matter be cover half, still dynamic model all can be divided into greater than two parts, mainly decides on the structure of mould, so long as be convenient for people to polishing and check that mould offset situation is just passable.
See also Fig. 3, embodiment illustrated in fig. 3 and embodiment illustrated in fig. 2 comparing, roughly situation is identical for it, different is makes things convenient for polishing for another joint portion 7 at die cavity 5 rear portions, also dynamic model 3 has been told a fraction in the present embodiment, be cover half fraction 33, cover half fraction 33 and dynamic model 3 are locked by another screw rod 8.After removing cover half major part 22, just can be easily to another joint portion 7 polishings.
Above-mentioned detent mechanism 31 is not the detent mechanism that is used for limiting among the present invention just for example, and in fact, mode that the detent mechanism 31 among the present invention can also adopt that pressing plate compresses etc. realizes both location.
Mandatory declaration be: fixed half and moving half must just can normally use screw rod 6 and screw rod 8 removals in use, with both locking, only limits in polishing and uses when checking mould.
Equally, see also Fig. 1 to Fig. 3, a kind of mould provided by the invention with zero mismatch of parting surface, comprise cover half 2 and dynamic model 3, described cover half 2 and dynamic model 3 have a die joint 1 at least, near the joint portion 4 that manual or mechanical polishing can't arrive, under the situation of the die joint 1 that keeps cover half 2 and dynamic model 3 and the complete joint portion 4 of die cavity 5, with described cover half 2 or/and dynamic model 3 is divided at least two parts, two parts that wherein have complete joint portion 4 connect by detent mechanism 31, and described joint portion 4 is zero mismatch.
Among the present invention, above-mentioned detent mechanism 31 is to be provided with projection 23 on the die joint of cover half 2, die joint and described protruding 23 corresponding positions at dynamic model 3 are provided with the recess 32 that matches with protruding 23 shapes, when dynamic model 3 and cover half 2 closures, described protruding 23 just in time stretch in recess 32, with both location.
Above-mentioned detent mechanism (not drawing) can also be designed to, on the die joint of dynamic model, be provided with projection, be provided with the recess that matches with convex shape, when dynamic model and cover half closure in the die joint and the corresponding position of described projection of cover half, described projection is just in time stretched in recess, with both location.
Claims (7)
1. method that realizes injection moulding or die casting zero mismatch of parting surface; it is characterized in that; in the fixed half and moving half that has a die joint at least; near the joint portion that manual or mechanical polishing can't arrive; under the situation of the complete joint portion of die joint that keeps fixed half and moving half and die cavity; with described cover half or/and dynamic model is divided at least two parts; two parts that wherein have complete joint portion are locked into one by detent mechanism; and the joint portion carried out polishing, reach zero mismatch until the joint portion.
2. according to the method for described realization injection moulding of claim 1 or die casting zero mismatch of parting surface, it is characterized in that: described polishing is with mechanical or manual the joint portion to be polished.
3. according to the method for described realization injection moulding of claim 1 or die casting zero mismatch of parting surface, it is characterized in that: described detent mechanism is to be provided with projection on the die joint of cover half, die joint and the corresponding position of described projection at dynamic model are provided with the recess that matches with convex shape, when dynamic model and cover half closure, described projection is just in time stretched in recess, with both location, with screw rod fixed half and moving half is locked again.
4. according to the method for described realization injection moulding of claim 1 or die casting zero mismatch of parting surface, it is characterized in that: described detent mechanism is to be provided with projection on the die joint of dynamic model, die joint and the corresponding position of described projection at cover half are provided with the recess that matches with convex shape, when dynamic model and cover half closure, described projection is just in time stretched in recess, with both location, with screw rod fixed half and moving half is locked again.
5. mould with zero mismatch of parting surface; comprise fixed half and moving half; it is characterized in that: described fixed half and moving half has a die joint at least; near the joint portion that manual or mechanical polishing can't arrive; under the situation of the complete joint portion of die joint that keeps fixed half and moving half and die cavity; or/and dynamic model is divided at least two parts, two parts that wherein have complete joint portion connect by detent mechanism with described cover half, and described joint portion is a zero mismatch.
6. according to the described mould of claim 5 with zero mismatch of parting surface, it is characterized in that: described detent mechanism is to be provided with projection on the die joint of cover half, die joint and the corresponding position of described projection at dynamic model are provided with the recess that matches with convex shape, when dynamic model and cover half closure, described projection is just in time stretched in recess, with both location.
7. according to the described mould of claim 5 with zero mismatch of parting surface, it is characterized in that: described detent mechanism is to be provided with projection on the die joint of dynamic model, die joint and the corresponding position of described projection at cover half are provided with the recess that matches with convex shape, when dynamic model and cover half closure, described projection is just in time stretched in recess, with both location.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010237127 CN101905515B (en) | 2010-07-26 | 2010-07-26 | Method for realizing zero mismatch of parting surface of injection molding or die-casting die and die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010237127 CN101905515B (en) | 2010-07-26 | 2010-07-26 | Method for realizing zero mismatch of parting surface of injection molding or die-casting die and die |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101905515A true CN101905515A (en) | 2010-12-08 |
| CN101905515B CN101905515B (en) | 2013-11-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010237127 Expired - Fee Related CN101905515B (en) | 2010-07-26 | 2010-07-26 | Method for realizing zero mismatch of parting surface of injection molding or die-casting die and die |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108582592A (en) * | 2018-01-24 | 2018-09-28 | 深圳市海派通讯科技有限公司 | A kind of plastic mould improving offset |
| CN108715009A (en) * | 2018-06-27 | 2018-10-30 | 黄嘉坚 | A kind of injection mold with boundary material leakage automatic-sheared structure based on fusing point |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101433988A (en) * | 2007-11-14 | 2009-05-20 | 汉达精密电子(昆山)有限公司 | Method for processing mold of bottle-neck type product |
| CN201736375U (en) * | 2010-07-26 | 2011-02-09 | 邹翠云 | Mould with parting surface zero offset |
-
2010
- 2010-07-26 CN CN 201010237127 patent/CN101905515B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101433988A (en) * | 2007-11-14 | 2009-05-20 | 汉达精密电子(昆山)有限公司 | Method for processing mold of bottle-neck type product |
| CN201736375U (en) * | 2010-07-26 | 2011-02-09 | 邹翠云 | Mould with parting surface zero offset |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108582592A (en) * | 2018-01-24 | 2018-09-28 | 深圳市海派通讯科技有限公司 | A kind of plastic mould improving offset |
| CN108715009A (en) * | 2018-06-27 | 2018-10-30 | 黄嘉坚 | A kind of injection mold with boundary material leakage automatic-sheared structure based on fusing point |
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| Publication number | Publication date |
|---|---|
| CN101905515B (en) | 2013-11-06 |
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