CN102501355B - Double-layer injection mold - Google Patents
Double-layer injection mold Download PDFInfo
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- CN102501355B CN102501355B CN201110364642.6A CN201110364642A CN102501355B CN 102501355 B CN102501355 B CN 102501355B CN 201110364642 A CN201110364642 A CN 201110364642A CN 102501355 B CN102501355 B CN 102501355B
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Abstract
The invention discloses a double-layer injection mold. The double-layer injection mold comprises a fixed mold (2), a panel (1), a movable mold supporting plate (6), a movable mold (2), a bottom plate (10), a hot runner system and an ejecting mechanism, wherein the panel (1) is fixedly connected to the upper end of the fixed mold (2); the bottom plate (10) is fixedly connected to the lower end of the movable mold (9); and the ejecting mechanism is used for ejecting out the product; the movable mold supporting plate (6) is placed between the movable mold (9) and the fixed mold (2); a first mold cavity and a second mold cavity which are used for molding the product are formed between the upper surface of the movable mold supporting plate (6) and the fixed mold (2); a third mold cavity and a fourth mold cavity which are used for molding the product are formed between the lower surface of the movable mold supporting plate (6) and the movable mold; a limiting device is arranged between the fixed mold (2) and the movable mold supporting plate (6); and multiple rubber plug screws (16) are mounted between the movable mold supporting plate (6) and the movable mold (9) in the form of close fit. The double-layer injection mold disclosed by the invention has the advantages of small volume and high efficiency.
Description
Technical field
The present invention relates to injection mold field, particularly a kind of double-layer injection mold.
Background technology
Injection mo(u)lding refer to be heated melt material inject die cavity by high pressure, after cooling curing, obtain the method for formed products, be mainly applicable to the batch production of plastic products.For the plastic products of the shallow chamber of these thin-walleds of the large drainpipe of the refrigerator class of for example discharging for chilled water, in order to enhance productivity, generally arrange multiple die cavitys at individual layer mould, thereby realize the multiple products of one-shot forming, but after the die cavity number of individual layer increases, will inevitably greatly increase the length and width size of mould, take up room many, need large size plastic jetting-moulding device to coordinate production, increased production cost.And one-time formed die cavity number is still limited, production efficiency is still not high.
Summary of the invention
Technical problem to be solved by this invention is: the double-layer injection mold that a kind of volume is little, efficiency is high is provided.
For solving the problems of the technologies described above, technical scheme provided by the invention is: a kind of double-layer injection mold, comprise cover half, be fixedly connected on the panel of cover half upper end, dynamic model supporting plate, dynamic model, be fixedly connected on the base plate of dynamic model lower end, hot runner system and for the ejecting mechanism of ejecting product, described dynamic model supporting plate is placed between described dynamic model and cover half, between the upper surface of described dynamic model supporting plate and cover half, be provided with the first die cavity and the second die cavity for shaped article, between the lower surface of described dynamic model supporting plate and dynamic model, be provided with the 3rd die cavity and the 4th die cavity for shaped article, between described cover half and described dynamic model supporting plate, be provided with stopping means, between described dynamic model supporting plate and described dynamic model, tight fit is provided with multiple plug screws.
Compared with prior art, the invention has the advantages that: between the dynamic model of this double-layer injection mold and cover half, be provided with dynamic model supporting plate, between the upper surface of dynamic model supporting plate and cover half, be provided with the first die cavity and the second die cavity for shaped article, i.e. ground floor die cavity; Between the lower surface of dynamic model supporting plate and dynamic model, be provided with the 3rd die cavity and the 4th die cavity, i.e. second layer die cavity for shaped article.Between fixed half and moving half supporting plate, be provided with stopping means, between dynamic model supporting plate and dynamic model, tight fit is provided with multiple plug screws, like this, utilize the frictional force of plug screw, can make the first die sinking of fixed half and moving half supporting plate, and die sinking after dynamic model and dynamic model supporting plate is deviate from two-layer product respectively by two-time parting.Like this can be on the mould of small volume four products of property moulding (just can produce four products on 80T injection machine) once, can greatly enhance productivity, save production cost.
As improvement, described stopping means comprises the limiting plate that is provided with along its length stopper slot, one end of described limiting plate by the first screw through one end of described stopper slot and be fixedly connected on cover half, the other end of described limiting plate by the second screw through the other end of described stopper slot and be fixedly connected on described dynamic model supporting plate.Like this, just can carry out by limiting plate spacingly to fixed half and moving half supporting plate, in the process of die sinking, prevent from coming off.
As preferably, described hot runner system comprises that upper end is provided with cast gate and excircle and is provided with the hot flow path of heating wire, the vertical main running channel arranging and multiple points of running channel compositions, described point running channel is by the first point of running channel being connected with the 3rd die cavity, the second point of running channel being connected with the 4th die cavity, the 3rd point of running channel being connected with the first die cavity and the 4th point of running channel composition being connected with the second die cavity, the bottom of the main running channel described in first point of described running channel and second point of running channel are connected to, the 3rd point of described running channel is connected in the end of first point of described running channel, the 4th point of described running channel is connected in the end of second point of described running channel.So just can carry out injection moulding to two-layer product respectively by this hot runner system, the structure of running channel is more reasonable, can ensure that each die cavity stablizes charging as far as possible.
As further preferred, described first point of running channel and second point of running channel adopt single-point hot runner structure, and described the 3rd point of running channel and the 4th point of running channel adopt pin point glue inlet flow passage structure.
As preferably, described ejecting mechanism refers to and is arranged at respectively in the first die cavity, the second die cavity, the 3rd die cavity and the 4th die cavity and the Pneumatic tailstock communicating with breather line.Like this, the space that Pneumatic tailstock takies is less, can make fast product deviate from, convenient.
Brief description of the drawings
The structural representation of Fig. 1 double-layer injection mold of the present invention.
The structural representation of another angle of Fig. 2 double-layer injection mold of the present invention.
The structural representation (comprising product) of the runner system of Fig. 3 double-layer injection mold of the present invention.
In Fig. 1-3: 1 panel, 2 cover half, 3 ground floor shaped articles, 4 confinement plates, 4.1 stopper slots, 5 ground floor moulding guide pillars, 6 dynamic model supporting plates, 7 is second layer shaped article, 8 second layer moulding guide pillars, 9 dynamic models, 10 base plates, 11 ground floor slide blocks, 12 second layer slide blocks, 13.1 main running channels, 13.2 first points of running channels, 13.3 second points of running channels, 13.4 the 3rd points of running channels, 13.5 the 4th points of running channels, 14 Pneumatic tailstocks, 15 cast gates, 16 plug screws, 17 is Angle Pin.
Below in conjunction with accompanying drawing, embodiments of the invention are further described.
As Figure 1-3, a kind of double-layer injection mold, comprise cover half 2, be fixedly connected on panel 1, dynamic model supporting plate 6, dynamic model 9, the base plate 10 that is fixedly connected on dynamic model 9 lower ends, hot runner system and the ejecting mechanism for ejecting product of cover half 2 upper ends, described dynamic model supporting plate 6 is placed between described dynamic model 9 and cover half 2, between the upper surface of described dynamic model supporting plate 6 and cover half 2, be provided with the first die cavity and the second die cavity for shaped article, between the lower surface of described dynamic model supporting plate 6 and dynamic model 9, be provided with the 3rd die cavity and the 4th die cavity for shaped article; Between described cover half 2 and described dynamic model supporting plate 6, be provided with stopping means, between described dynamic model supporting plate 6 and described dynamic model 9, tight fit is provided with multiple plug screws 16, specifically refer to that multiple plug screws 16 are fixedly installed in the upper surface of dynamic model 9, the lower surface correspondence of dynamic model supporting plate 6 is provided with multiple installing holes, and plug screw 16 tightly fits in installing hole.3 ground floor shaped articles, 7 is second layer shaped article; Between cover half 2 and dynamic model supporting plate 6, be provided with many ground floor moulding guide pillars 5 and the Angle Pin 17 for leading, between dynamic model supporting plate 6 and dynamic model 9, be provided with second layer moulding guide pillar 8 and the Angle Pin 17 for leading, and between cover half 2 and dynamic model supporting plate 6, be provided with the ground floor slide block 11 for ground floor product stripping, totally eight, between dynamic model supporting plate 6 and dynamic model 9, be provided with the second layer slide block 12 for second layer product stripping, totally eight, these structures are the known technology general knowledge that industry technology personnel know, therefore do not repeat at this.
Described stopping means comprises the limiting plate 4 that is provided with along its length stopper slot 4.1, one end of described limiting plate 4 is passed one end of described stopper slot 4.1 and is fixedly connected on cover half 2 by the first screw, and the other end of described limiting plate 4 is passed the other end of described stopper slot 4.1 and is fixedly connected on described dynamic model supporting plate 6 by the second screw.
Described hot runner system comprises that upper end is provided with cast gate 15 and the vertical main running channel 13.1 arranging and multiple points of running channel compositions, described point running channel is by the first point of running channel 13.2 being connected with the 3rd die cavity, the second point of running channel 13.3 being connected with the 4th die cavity, the 3rd point of running channel 13.4 being connected with the first die cavity and the 4th point of running channel 13.5 being connected with the second die cavity form, the bottom of the main running channel 13.1 described in first point of described running channel 13.2 and second point of running channel 13.3 are connected to, the 3rd point of described running channel 13.4 is connected in the end of first point of described running channel 13.2, the 4th point of described running channel 13.5 is connected in the end of second point of described running channel 13.3.
Described first point of running channel 13.2 and second point of running channel 13.3 are the running channel of single-point hot runner structure, described the 3rd point of running channel 13.4 and the 4th point of running channel that running channel 13.5 is pin point glue inlet flow passage structure.
Described ejecting mechanism refers to and is arranged at respectively in the first die cavity, the second die cavity, the 3rd die cavity and the 4th die cavity and the Pneumatic tailstock 14 communicating with breather line.
Below be only described with regard to most preferred embodiment of the present invention, but can not be interpreted as it is limitations on claims.The present invention is not only confined to above embodiment, and its concrete structure allows to change.All various variations of doing in the protection domain of independent claims of the present invention are all in protection domain of the present invention.
Claims (2)
1. a double-layer injection mold, it is characterized in that: comprise cover half (2), be fixedly connected on the panel (1) of cover half (2) upper end, dynamic model supporting plate (6), dynamic model (9), be fixedly connected on the base plate (10) of dynamic model (9) lower end, hot runner system and for the ejecting mechanism of ejecting product, described dynamic model supporting plate (6) is placed between described dynamic model (9) and cover half (2), between the upper surface of described dynamic model supporting plate (6) and cover half (2), be provided with the first die cavity and the second die cavity for shaped article, between the lower surface of described dynamic model supporting plate (6) and dynamic model (9), be provided with the 3rd die cavity and the 4th die cavity for shaped article, between described cover half (2) and described dynamic model supporting plate (6), be provided with stopping means, between described dynamic model supporting plate (6) and described dynamic model (9), tight fit is provided with multiple plug screws (16),
Described stopping means comprises the limiting plate (4) that is provided with along its length stopper slot (4.1), one end of described limiting plate (4) is passed one end of described stopper slot (4.1) and is fixedly connected on cover half (2) upper by the first screw, the other end of described limiting plate (4) passes the other end of described stopper slot (4.1) by the second screw and is fixedly connected on described dynamic model supporting plate (6);
Described hot runner system comprises that upper end is provided with cast gate (15) and the vertical main running channel (13.1) arranging and multiple points of running channel compositions, described point running channel is by the first point of running channel (13.2) being connected with the 3rd die cavity, the second point of running channel (13.3) being connected with the 4th die cavity, the 3rd point of running channel (13.4) being connected with the first die cavity and the 4th point of running channel (13.5) composition being connected with the second die cavity, described first point of running channel (13.2) and second point of running channel (13.3) are connected to the bottom of described main running channel (13.1), described the 3rd point of running channel (13.4) is connected in the end of described first point of running channel (13.2), described the 4th point of running channel (13.5) is connected in the end of described second point of running channel (13.3),
Described first point of running channel (13.2) and second point of running channel (13.3) are the running channel of single-point hot runner structure, the running channel that described the 3rd point of running channel (13.4) and the 4th point of running channel (13.5) are pin point glue inlet flow passage structure.
2. double-layer injection mold according to claim 1, is characterized in that: described ejecting mechanism refers to and is arranged at respectively in the first die cavity, the second die cavity, the 3rd die cavity and the 4th die cavity and the Pneumatic tailstock (14) communicating with breather line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110364642.6A CN102501355B (en) | 2011-11-17 | 2011-11-17 | Double-layer injection mold |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110364642.6A CN102501355B (en) | 2011-11-17 | 2011-11-17 | Double-layer injection mold |
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| Publication Number | Publication Date |
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| CN102501355A CN102501355A (en) | 2012-06-20 |
| CN102501355B true CN102501355B (en) | 2014-06-04 |
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| CN201110364642.6A Active CN102501355B (en) | 2011-11-17 | 2011-11-17 | Double-layer injection mold |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103895176A (en) * | 2014-03-18 | 2014-07-02 | 昆山市大久电子有限公司 | Double-color mold |
| CN103895174A (en) * | 2014-03-18 | 2014-07-02 | 昆山市大久电子有限公司 | Double-color mold capable of demolding conveniently |
| CN103895175A (en) * | 2014-03-18 | 2014-07-02 | 昆山市大久电子有限公司 | Bicolor mold capable of automatically demolding |
| CN110450369A (en) * | 2019-08-27 | 2019-11-15 | 张丽珠 | A kind of palace column key cap mould |
| CN112743775A (en) * | 2021-01-14 | 2021-05-04 | 广州市旭胜模具有限公司 | Secondary ejection type injection mold and injection molding method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201020823Y (en) * | 2007-03-30 | 2008-02-13 | 卫岗 | Compound type plastic mold device |
| CN202318794U (en) * | 2011-11-17 | 2012-07-11 | 宁波万隆模塑成型有限公司 | Double-layer injection mold |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2848540Y (en) * | 2005-11-08 | 2006-12-20 | 佛山市顺德区汉达精密电子科技有限公司 | Hot gate runner system in overlapped mould |
| CN201922519U (en) * | 2010-12-03 | 2011-08-10 | 大连日进精密模塑有限公司 | Mold opening and closing sequence control device |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201020823Y (en) * | 2007-03-30 | 2008-02-13 | 卫岗 | Compound type plastic mold device |
| CN202318794U (en) * | 2011-11-17 | 2012-07-11 | 宁波万隆模塑成型有限公司 | Double-layer injection mold |
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| CN102501355A (en) | 2012-06-20 |
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