CN1504316A - Shaping mould device - Google Patents
Shaping mould device Download PDFInfo
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- CN1504316A CN1504316A CNA031020062A CN03102006A CN1504316A CN 1504316 A CN1504316 A CN 1504316A CN A031020062 A CNA031020062 A CN A031020062A CN 03102006 A CN03102006 A CN 03102006A CN 1504316 A CN1504316 A CN 1504316A
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- master mold
- protuberance
- male model
- forming die
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Abstract
Provided is a mold assembly which improves the surface finish properties and durability of a molded object and can be manufactured simply at a low cost. This mold assembly is used for manufacturing a molded object with an opening by clamping a cavity-side part 1 and a core 2 and injecting a molten resin into the cavity 3 formed between the cavity-side part 1 and the core 2. In this mold assembly, projected parts 5 and 6, which are projected into the cavity 3 to collide with each other in the clamped state of the cavity-side part 1 and the core 2, are provided to the respective parts of the cavity-side part 1 and the core 2 for molding the opening and at least the opposed end areas of the paired projected parts 5 and 6 are differentiated.
Description
Technical field
The invention relates to that a kind of being applicable to make mold (Mold) formed body with opening, particularly as the microphone (Speaker) of telephone set, have the forming die device of the mold formed body of the intensive peristome of majority.
Background technology
A kind of known forming die device for example is to have schematic configuration shown in Figure 3.This kind forming die device possesses has the master mold (Cavity Mold) 51 that becomes the formed body face side, the male model (Core Mold) 52 that becomes formed body the inside side to touch bolt 53 with most that are arranged on the male model 52.By master mold 51 and male model 52 moulds are bonded together, touch bolt 53 and run into master mold 51 and make, then, the melting resins in the die cavity 54 that is supplied between master mold 51 and the male model 52 are shaped, can produce the mold formed body, this mold formed body has the intensive peristome of most openings.
Another kind of known forming die device, as shown in Figure 4, on master mold 61 and male model 62, be provided with punching piece (Punching block) 63,64 separately, punching piece 63,64 is touched mutually, and can be used to produce the mold formed body, this mold formed body has the intensive peristome of most openings.(for example, opening the 2001-260190 case) with reference to patent documentation 1 spy
Yet, in known forming die device shown in Figure 3, because being provided with most, male model 52 touches bolt 53, therefore easy peristome face side at formed body produces flash, and the thickness of corresponding formed body, it is big that the gross area of the opening in peristome can become.Formed body is released and when taking off, peristome can produce expansion in male model 52 sides, produces crack and albefaction between adjacent opening and make, and causes the low problem of so-called formed body profile pattern opening mould from male model 52.And, remain in distortion (defective) variation in time fast peristome in through this expansion or crack, and produce the low problem of so-called durability.
Corresponding to this, in above-mentioned patent documentation 1 disclosed forming die device,, therefore can solve the above problems owing to be provided with punching piece 63,64 separately on master mold 61 and the male model 62.Because in this forming die device, punching piece 63,64 shape of touching front end each other must equate to have high accuracy so necessarily require the manufacturing of punching piece 63,64 to cooperate with the position with area, and worry can cause the cost of device to rise.
Summary of the invention
Because above-mentioned problem points the object of the present invention is to provide a kind of profile pattern and durability that can promote the mold formed body, and simple, cheap forming die device.
In order to reach above-mentioned purpose, the invention provides a kind of forming die device, it is that master mold is engaged with the male model mould, inject melting resin in the die cavity between master mold and male model again, have with manufacturing in the forming die device of plastic film formed body of opening, wherein be provided with and touch protuberance in the various piece of master mold that above-mentioned opening is shaped and male model, this touches protuberance when master mold and male model are in the mould engagement state, project to each other in the above-mentioned die cavity, and paired protuberance opposing ends surface area difference at least.For above invention, because master mold and male model are provided with separately and touch protuberance, therefore can prevent the generation of flash, and can dwindle the inlet of two protuberances to formed body, make behind the mould formed body release and just can effectively prevent the expansion between opening or the generation of crack albefaction when taking out so open from male model, and can promote the profile pattern of formed body, and can reduce the distortion that residues in peristome, and promote the durability of formed body.In addition, because paired protuberance opposing ends surface area and inequality, the manufacturing of protuberance cooperates also more or less freely with the position, and can attempt to reduce the cost of device.
Forming die device provided by the invention can be on the basis of above invention, makes the end surface area of protuberance of the more paired above-mentioned male model side of the end surface area of protuberance of above-mentioned master mold side little.Because the end surface area of the protuberance of master mold side is less, during from the formed body surface observation, does not form drop in opening, therefore can promote the profile pattern of formed body.
Forming die device provided by the invention can also be when above-mentioned master mold and above-mentioned male model be in the mould engagement state, and the overhang of protuberance that protrudes in the more paired above-mentioned male model side of the overhang of protuberance of the above-mentioned master mold side in the above-mentioned die cavity is little.Because the protuberance of master mold side outstanding overhang in die cavity is less, when opening mould, peristome expands in the master mold side, and generation that prevents the albefaction of peristome internal fissure that can be certain, and can promote the planarization and the durability on formed body surface.
Forming die device provided by the invention, can also be provided with at least one side of above-mentioned master mold and above-mentioned male model and can make before above-mentioned master mold and above-mentioned male model opening mould, the protuberance setback device that makes corresponding protuberance utilize elastic force to retreat in the above-mentioned die cavity with elastic component.Because before opening mould, the protuberance of master mold side is extracted from formed body, the quality that therefore can make formed body is stabilization more.
In the forming die device of the present invention, can also with above-mentioned paired protuberance intensive to be provided with plural number right.By it, can produce profile pattern and durability is good, and have the formed body with peristome of stable quality.Peristome has most intensive openings.
For above and other objects of the present invention, feature and advantage can be become apparent, a preferred embodiment cited below particularly, and cooperate appended graphicly, be described in detail below:
Description of drawings
Fig. 1 is the summary construction diagram that illustrates the forming die device of first embodiment of the invention.
Fig. 2 is the summary construction diagram that illustrates the forming die device of second embodiment of the invention.
Fig. 3 is the summary construction diagram that illustrates an example of known forming die device.
Fig. 4 is the summary construction diagram that illustrates another example of known forming die device.
Description of symbols:
1,11,51,61: master mold 2,12,52,62: male model
3,13,54: die cavity 5,15: bolt is touched in the master mold side impact
6,16: bolt 17,25 is touched in the male model side impact: module
18: bar 18a: flange
19: recess 20: helical spring
21: mounting panel 22: pressing plate
53: touch bolt 63,64: the punching piece
Embodiment
Below, please refer to icon, to describe the embodiment of forming die device of the present invention in detail.
Fig. 1 illustrate is the schematic configuration schematic diagram of the forming die device of first embodiment of the invention.In the present embodiment, in order to make the plastic film formed body with the intensive peristome of most openings, and the various piece of the master mold 1 that is shaped at the peristome that makes formed body and male model 2 is provided with the master mold side impact and touches bolt 5 and touch bolt 6 with the male model side impact.The master mold side impact is touched bolt 5 and is touched bolt 6 for projecting in the die cavity 3 and the protuberance that touches each other with the male model side impact.
It is little that the front end surface area that the front end surface area of bolt 5 touches bolt 6 than the male model side impact is touched in the master mold side impact, and the master mold side impact is touched length that bolt 5 projects to die cavity 3 inside and also touched bolt 6 than the male model side impact to project to the length of die cavity 3 inside short.
So, master mold 1 is engaged with male model 2 moulds, again in the master mold side impact touch bolt 5 with and the master mold side impact touch the corresponding male model side impact of bolt 5 and touch in the die cavity 3 that bolt 6 touches separately and inject melting resin and make it shaping, and produce plastic film formed body with the intensive peristome of most openings.
For the foregoing description and since master mold 1 and male model 2 separately side be provided with the master mold side impact of touching each other and touch bolt 5 and touch bolt 6 with the male model side impact, therefore can prevent the generation of flash.And, the front end surface area that touches bolt 6 than the male model side impact by the front end surface area that makes the master mold side impact touch bolt 5 is little, making the master mold side impact touch length that bolt 5 projects to die cavity 3 inside simultaneously also touches bolt 6 than the male model side impact to project to the length of die cavity 3 inside short, so can be easy to carry out the master mold side impact touches bolt 5 and cooperates with the position with the manufacturing that bolt 6 is touched in the male model side impact, and make device become cheap, and when opening mould, the formed body peristome expands in master mold 1 side, and generation that prevents the albefaction of peristome internal fissure that can be certain, and can produce surperficial completeness and durability good, and plastic film formed body with the intensive peristome of the most openings of having of stable quality.
Fig. 2 illustrate is the schematic configuration schematic diagram of the forming die device of second embodiment of the invention.Identical with first embodiment at present embodiment, in order to make the plastic film formed body with the intensive peristome of most openings, and the various piece of the master mold 11 that is shaped at the peristome that makes formed body and male model 12 is provided with the master mold side impact and touches bolt 15 and touch bolt 16 with the male model side impact.The master mold side impact is touched bolt 15 and is touched the protuberance of bolt 16 for projecting in the die cavity 13 and touching each other with the male model side impact when master mold 11 engages with male model 12 moulds.
The master mold side impact is touched bolt 15 and is arranged in the module 17 (Block).Module 17 is arranged in the master mold 11, makes the master mold side impact touch the corresponding die cavity 13 of leading section of bolt 15 and can insert disengagement, and can engage with the direction of opening mould at mould and move.
In module 17, be provided with the upper end and have the bar 18 (rod) of flange 18a, and the recess 19 that is formed with in master mold 11 guide rod 18 and flange 18a is inserted, the helical spring 20 of promising elastic part is set between the bottom of this recess 19 and flange 18a.
And, the top of master mold 11 is provided with the pressing plate 22 that is installed in 21 of mounting panels, when carrying out the mould joint, by pushing to see through the elastic force that pressing plate 22 makes the flange 18a opposing helical spring 20 of bar 18, and module 17 is descended, and the leading section that makes the master mold side impact touch bolt 15 projects to a fixed amount in the die cavity 13, when opening mould, master mold 11 is moved, make module 17 utilize helical spring elastic force and move a fixed amount toward the top by pressing plate 22 is left from master mold 11 then, then make the master mold side impact touch bolt 15 and shrink back from die cavity 13.Wherein, helical spring 20, mounting panel 21 and pressing plate 22 formation protuberances retreat means.
The male model side impact is touched bolt 16 and is arranged in the module 25, and this module 25 is arranged in the male model 11.
Identical at present embodiment with the 1st embodiment, it is little that the front end surface area that the front end surface area of bolt 15 touches bolt 16 than the male model side impact is touched in the master mold side impact, and under the state that mould engages, the master mold side impact is touched length that bolt 15 projects to die cavity 13 inside and is also touched bolt 16 than the male model side impact to project to the length of die cavity 13 inside short.
So, when master mold 11 is engaged with male model 12 moulds, the elastic force of opposing helical spring 20 and module 17 is descended, master mold side impact touch bolt 15 project in the die cavity 13 fixed amounts and separately and the male model side impact paired with it touch bolt 16 and touch, in die cavity 13 in, inject melting resin again and make it shaping.Afterwards, when opening mould, pressing plate 22 is left from master mold 11, so module 17 moves a fixed amount by the elastic force of helical spring 20 toward the top, the master mold side impact is touched bolt 15 and is shunk back from die cavity 13, afterwards, master mold 11 and male model 12 are moved open mould, and produce plastic film formed body with the intensive peristome of most openings.
For the present embodiment, except can obtaining the effect identical with first embodiment, before opening mould, extract from formed body owing to utilize the elastic force of helical spring 20 to make the master mold side impact touch bolt 15, the quality that can make formed body is stabilization more.
In addition, the present invention does not limit the foregoing description, other distortion or change can be arranged yet.For instance, the foregoing description is that example is done explanation with the situation that manufacturing has the plastic film formed body of the intensive peristome of most openings, and certainly the present invention also goes for forming the situation of the opening or an opening of dispersion.And for the arbitrary shape that front end shape that bolt and male model side impact touch bolt can be circle, polygonal etc. is touched in the master mold side impact of protuberance, or it makes up arbitrarily.In addition, for the effect that makes the formed body peristome obtain beautifying, the front end surface area that the front end surface area that also can make the master mold side impact touch bolt touches bolt than the male model side impact is big.
The effect of invention
For the present invention, because the master mold 11 of formation mold formed body opening is formed with male model 12 side separately and touches protuberance, and paired protuberance is opposing ends surface area difference at least, therefore can promote the surface integrity and the durability of mold formed body, and device is simple and cheap.
Though the present invention with a preferred embodiment openly as above; right its is not in order to limiting the present invention, anyly is familiar with this operator, without departing from the spirit and scope of the present invention; when can doing a little change and retouching, so protection scope of the present invention is as the criterion when looking the claim protection range.
Claims (8)
1, a kind of forming die device, be applicable to master mold is engaged with the male model mould, inject melting resin in the die cavity between above-mentioned master mold and above-mentioned male model again, have with manufacturing in the forming die device of plastic film formed body of opening, it is characterized by, be provided with in the various piece of above-mentioned master mold that above-mentioned opening is shaped and above-mentioned male model and touch protuberance, the above-mentioned protuberance that touches is when above-mentioned master mold and above-mentioned male model are in the mould engagement state, project to each other in the above-mentioned die cavity, and the paired above-mentioned protuberance opposing ends surface area difference at least of touching.
2, forming die device as claimed in claim 1 is characterized in that, above-mentioned master mold side above-mentioned touches the more paired above-mentioned male model side of the end surface area of protuberance, and the above-mentioned end surface area that touches protuberance is little.
3, as wherein described forming die devices of claim 1 or 2, it is characterized in that, when above-mentioned master mold and above-mentioned male model were in the mould engagement state, the overhang that the above-mentioned male model side that the above-mentioned overhang of touching protuberance that protrudes in above-mentioned master mold side in the above-mentioned die cavity is more paired above-mentioned touches protuberance was little.
4, as wherein described forming die devices of claim 1 or 2, it is characterized in that: at least one side of above-mentioned master mold and above-mentioned male model is provided with and can makes above-mentioned master mold and above-mentioned male model before opening mould, makes the corresponding above-mentioned protuberance setback device with elastic component that protuberance utilizes elastic force to retreat in the above-mentioned die cavity that touches.
5, forming die device as claimed in claim 3, it is characterized in that: at least one side of above-mentioned master mold and above-mentioned male model is provided with and can makes above-mentioned master mold and above-mentioned male model before opening mould, makes the corresponding above-mentioned protuberance setback device with elastic component that protuberance utilizes elastic force to retreat in the above-mentioned die cavity that touches.
6, as wherein described forming die device of claim 1 or 2, it is characterized in that: paired above-mentioned touch protuberance intensive to be provided with plural number right.
7, forming die device as claimed in claim 3 is characterized in that: paired above-mentioned touch protuberance intensive to be provided with plural number right.
8, forming die device as claimed in claim 4 is characterized in that: paired above-mentioned touch protuberance intensive to be provided with plural number right.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2002347679 | 2002-11-29 | ||
| JP2002347679A JP2004181634A (en) | 2002-11-29 | 2002-11-29 | Mold assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1504316A true CN1504316A (en) | 2004-06-16 |
Family
ID=32750798
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA031020062A Pending CN1504316A (en) | 2002-11-29 | 2003-01-24 | Shaping mould device |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP2004181634A (en) |
| CN (1) | CN1504316A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI755209B (en) * | 2020-12-22 | 2022-02-11 | 欣展工業股份有限公司 | Sole production mold, system and method |
| TWI760018B (en) * | 2020-12-22 | 2022-04-01 | 欣展工業股份有限公司 | Die set, system and method for automatic shoe sole production |
-
2002
- 2002-11-29 JP JP2002347679A patent/JP2004181634A/en active Pending
-
2003
- 2003-01-24 CN CNA031020062A patent/CN1504316A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI755209B (en) * | 2020-12-22 | 2022-02-11 | 欣展工業股份有限公司 | Sole production mold, system and method |
| TWI760018B (en) * | 2020-12-22 | 2022-04-01 | 欣展工業股份有限公司 | Die set, system and method for automatic shoe sole production |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2004181634A (en) | 2004-07-02 |
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|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |