CN102658629A - Oxhorn-shaped feeding mouth forming mould - Google Patents
Oxhorn-shaped feeding mouth forming mould Download PDFInfo
- Publication number
- CN102658629A CN102658629A CN2012101745953A CN201210174595A CN102658629A CN 102658629 A CN102658629 A CN 102658629A CN 2012101745953 A CN2012101745953 A CN 2012101745953A CN 201210174595 A CN201210174595 A CN 201210174595A CN 102658629 A CN102658629 A CN 102658629A
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- Prior art keywords
- feed nozzle
- feeding mouth
- oxhorn
- die cavity
- mold insert
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- 239000000463 material Substances 0.000 claims abstract description 40
- 239000007788 liquid Substances 0.000 claims abstract description 22
- 241000283690 Bos taurus Species 0.000 claims description 12
- 238000002347 injection Methods 0.000 claims description 11
- 239000007924 injection Substances 0.000 claims description 11
- 230000007704 transition Effects 0.000 claims description 8
- 230000003068 static effect Effects 0.000 claims description 6
- 230000000295 complement effect Effects 0.000 claims description 3
- 238000001746 injection moulding Methods 0.000 abstract description 27
- 239000002994 raw material Substances 0.000 abstract description 4
- 239000002699 waste material Substances 0.000 abstract description 4
- 238000000034 method Methods 0.000 abstract description 3
- 230000002950 deficient Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- FGRBYDKOBBBPOI-UHFFFAOYSA-N 10,10-dioxo-2-[4-(N-phenylanilino)phenyl]thioxanthen-9-one Chemical compound O=C1c2ccccc2S(=O)(=O)c2ccc(cc12)-c1ccc(cc1)N(c1ccccc1)c1ccccc1 FGRBYDKOBBBPOI-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
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- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The invention relates to an oxhorn-shaped feeding mouth forming mould which mainly solves the technical problems of raw material waste, cost increase and the like caused by the fact that an existing feeding mouth is communicated with an ejector pin hole and excess materials are remained on a molded part after injection molding is completed. The oxhorn-shaped feeding mouth forming mould is characterized in that a feeding mouth is oxhorn-shaped, a sharp end of the feeding mouth is communicated with the bottom of a cavity, and the tail end of the feeding mouth is communicated with a feed liquid runner. The oxhorn-shaped feeding mouth forming mould has the advantages that the feeding mouth is designed into an oxhorn shape, the sharp end of the oxhorn-shaped feeding mouth is communicated with the bottom of the cavity, and when injection molding is completed and the molded part is ejected by an ejector pin, the joint of the feeding mouth with the cavity can be easily broken under the ejection force of the ejector pin, so that the molded part is demoulded and generates no excess material. Therefore, materials are saved, injection molding cost of signal parts is lowered, and procedures and cost for rejecting of the excess materials by workers can be reduced.
Description
Technical field
The present invention relates to a kind of injection mold, relate to a kind of mould of cattle horn shape feed nozzle in particular, be mainly used in die industry.
Background technology
When the plastic injection mo(u)lding; For guaranteeing the outward appearance of plastic; Existing injection forming mold adopts the submarine feeding structure mostly, and so-called submarine feeding structure is arranged on the feed nozzle on the mould inner surface of plastic exactly; The plastic outer surface that comes out of injection moulding can not stay the feed opening vestige like this, thereby the outer surface that guarantees plastic is attractive in appearance.
Existing submarine feeding structure is as shown in Figure 1, and the injection moulding material gets in the inclination feed nozzle 2 through runner 1 earlier, and the recoil that after feed nozzle 2 gets into centre hole 3, makes progress again gets into plastic die cavity 4 and accomplishes injection moulding; When the plastic demoulding, thimble 4 is disconnected with top, centre hole 3 junctions with feed nozzle 2 earlier, again with the clout in the centre hole 3 together with plastic ejection device together; Adopt this structure, though can guarantee the attractive in appearance of plastic surface, because feed nozzle 2 is to communicate with centre hole 3; The injection moulding material gets into injection moulding die cavity 4 through centre hole 3, when accomplishing injection moulding, and the corresponding residual one section waste material that has of meeting in the centre hole 3; This has not only wasted raw material, has increased the injection moulding cost of single-piece plastic, simultaneously; After injection moulding is accomplished, also need manual work manually to reject, increased production process one; One line producers' workload is strengthened, reduced the productivity effect of plastic.
Summary of the invention
Be connected with centre hole in order to solve existing feed nozzle, injection moulding is accomplished after, the clout that gets in the centre hole remains on the plastic, causes the waste of raw material and increases technical problem such as cost; The present invention provides a kind of mould of cattle horn shape feed nozzle, but this mould conservation not only reduce cost, also can improve the injection moulding productivity effect of plastic simultaneously, can directly pack transhipment after making the plastic demoulding.
For solving above technical problem; The technical scheme that the present invention takes is a kind of mould of cattle horn shape feed nozzle, and it includes dynamic and static module, between dynamic and static module, is provided with die cavity and material liquid flowing channel; Feed nozzle one end communicates with material liquid flowing channel, and the other end communicates with die cavity; Described feed nozzle is the ox horn shape, and the tip of feed nozzle communicates with cavity bottom, and the tail end of feed nozzle communicates with material liquid flowing channel.
Further, described material injection nozzle is arranged on the mold insert, and this mold insert is fixed on the quiet module; The panelling that described mold insert also can be fitted by two symmetries is formed, and on two panels, is respectively equipped with the arc groove of ox horn shape semicircular in shape, and the arc groove on the two panels constitutes described feed nozzle.
Further, on described panelling, be provided with an end and connect feed nozzle, the transition runner that the other end links to each other with material liquid flowing channel, this transition runner are arranged on the passage that is quadrant shape on the two plate panelling end faces and constitute.
Further, described mold insert one side is provided with step, on quiet module, is provided with groove, and this groove one side is in die cavity, and mold insert is fixed in the groove, and step surface constitutes the baseplane of die cavity, is complementary perpendicular to the sidewall shape of step surface and the sidewall of die cavity; The tip of described feed nozzle is arranged on the step surface.
The invention has the beneficial effects as follows feed nozzle is made as the ox horn shape, and the ox horn tip of feed nozzle is communicated with cavity bottom, after injection moulding is accomplished; Thimble is when ejecting plastic, and the top power of thimble just can be disconnected with feed nozzle and die cavity connecting place top easily, thereby make the plastic demoulding; Just can not produce clout on the plastic like this, not only can save material, reduce the injection moulding cost of single-piece; Simultaneously, also can reduce artificial operation and cost of rejecting clout.
Description of drawings
Fig. 1 is the feed nozzle structure cutaway view of existing mould
Fig. 2 is unkitted the vertical view of dynamic model piece for the mould of a kind of cattle horn shape feed nozzle of the embodiment of the invention
Fig. 3 installs the cutaway view of dynamic model piece additional for A--A place among Fig. 2
Fig. 4 is the three-dimensional reference diagram of the quiet module of the embodiment of the invention
Fig. 5 is the front view of embodiment of the invention mold insert
Fig. 6 is the vertical view of embodiment of the invention mold insert
Fig. 7 is the three-dimensional reference diagram of embodiment of the invention panelling
Fig. 8 is the three-dimensional reference diagram of embodiment of the invention mold insert
Fig. 9 is unkitted the three-dimensional reference diagram of dynamic model piece for the mould of a kind of cattle horn shape feed nozzle of the embodiment of the invention
The specific embodiment
Below in conjunction with accompanying drawing embodiment of the present invention is described further:
Extremely shown in Figure 9 like Fig. 2; The present invention is a kind of mould of cattle horn shape feed nozzle, and it includes dynamic and static module 5,6, in dynamic and static module 5, be provided with die cavity 7 and material liquid flowing channel 8 between 6; Feed nozzle 9 one ends communicate with material liquid flowing channel 8, and the other end communicates with die cavity 7; Be connected with centre hole in order to solve existing feed nozzle, injection moulding is accomplished after, the clout that gets in the centre hole remains on the plastic, causes the waste of raw material and increases technical problem such as cost; Described feed nozzle 9 is the ox horn shape, and the tip of feed nozzle 9 communicates with die cavity 7 bottoms, and the tail end of feed nozzle 9 communicates with material liquid flowing channel 8; Existing feed nozzle is the line flowing channel (as shown in Figure 1) of downward-sloping shape, when connecting die cavity, considers the discharge of defective material; Must could link to each other with die cavity by centre hole, as change into being inclined upwardly and directly link to each other, though can accomplish the injection moulding of plastic with die cavity; But during the defective material in thimble ejects material liquid flowing channel; Defective material in the feed nozzle can only can not be realized continuous injection molding operation through manually extracting because the restriction of the angle that is inclined upwardly just can't be discharged; And adopt downward-sloping material injection nozzle when injection moulding is accomplished, will produce clout on the plastic, corresponding increased material and follow-up artificial cost and the productivity effect of rejecting lower; And present embodiment is made as the ox horn shape with feed nozzle 9, and the ox horn tip of feed nozzle 9 is communicated with die cavity 7 bottoms, because the diameter at the ox horn of feed nozzle 9 tip is less; After injection moulding was accomplished, thimble was when ejecting plastic, and the top power of thimble just can be disconnected with die cavity 7 connecting places top with feed nozzle 9 easily; Thereby make the plastic demoulding, just can not produce clout on the plastic like this, not only can save material; Reduce the injection moulding cost of single-piece, simultaneously, also can reduce artificial operation and cost of rejecting clout; After injection moulding is accomplished, can directly pack, significantly improve productivity effect; Because feed nozzle 9 is the ox horn shape; The diameter of entrance point is upwards bowed state much larger than the diameter and the integral body of the port of export; When the plastic demoulding, during the defective material of the thimble in the material liquid flowing channel 8 during ejecting material liquid flowing channel 8, the defective material at feed nozzle 9 ox horns tip just can upwards be extracted with feed nozzle 9 along arc and be separated; Thereby accomplish whole injection moulding flow process, be convenient to working continuously of injection machine.
In the present embodiment, for ease of the production and processing of material injection nozzle 9, described material injection nozzle 9 is arranged on the mold insert 10, and this mold insert 10 is fixed on the quiet module 6; The panelling 101 that described mold insert 10 also can be fitted by two symmetries is formed, and on two panels 101, is respectively equipped with the arc groove 102 of ox horn shape semicircular in shape, and the arc groove 102 on the two panels 101 constitutes described feed nozzle 9.Feed nozzle 9 is arranged on the mold insert 10 and with mold insert 10 is made as split; When processing material injection nozzle 9; The arc groove 102 of ox horn shape and semicircular in shape can be set on two panels 101 respectively, fit when two panels 101 like this, two semicircular arc grooves 102 just can form a complete ox horn shape feed nozzle 9; Be easy to production and processing like this, and be convenient to the assembling of material injection nozzle 9; Certainly also can not adopt mold insert 10,, on the structural quiet module 6 of split, process feed nozzle 9 again such as quiet module 6 is provided with the branch body structure; Can reach identical purpose equally; But quiet module 6 is made as the branch body structure, but the volume of quiet module 6 is bigger, is difficult for processing; Therefore, the embodiment of present embodiment is a preferred implementation.
In the present embodiment, link to each other with material liquid flowing channel 8, guarantee the mobile smooth and easy of injection moulding feed liquid for ease of feed nozzle 9; On described panelling 10, be provided with an end and connect feed nozzle 9, the transition runner 103 that the other end links to each other with material liquid flowing channel 8, this transition runner 103 are arranged on the path 10 4 that is quadrant shape on two plate panellings, 101 end faces and constitute; The path 10 4 that is quadrant shape is set respectively on two panels 101, when two panels 101 is fitted, just forms a semi-circular channel on mold insert 10 top end faces; When the dynamic model matched moulds, form a transition passage 103 with the semi-circular channel on the dynamic model, because feed nozzle 9 is the curved shape of cattle horn shape; When production and processing, the junction of itself and material liquid flowing channel 8 has some setbacks, when injection moulding; May influence the conveying of feed liquid; And transition runner 103 is set, and just can connect material liquid flowing channel 8 and feed nozzle 9 very smoothly, so just can guarantee the mobile smooth and easy of when injection moulding feed liquid; Simultaneously, also can guarantee the smooth demoulding of defective material in the feed nozzle 9.
In the present embodiment, link to each other with die cavity 7 for avoiding on plastic, producing clout and being convenient to feed nozzle 9, described mold insert 10 1 sides are provided with step 105; On quiet module 6, be provided with groove 61; These groove 61 1 sides are in die cavity 7, and mold insert 10 is fixed in the groove 61, and the step 105 of mold insert 10 places in the die cavity 7; Step surface 1051 constitutes the baseplane of die cavity 7, is complementary perpendicular to the sidewall shape of step surface 1051 and the sidewall of die cavity 7; The ox horn tip of described feed nozzle 9 is arranged on the step surface 1051.Groove 61 is set on die cavity 7; Step 105 is set on mold insert 10; Mold insert 10 is installed in groove 61 interior one of which sides and die cavity 7 fits, and the step 105 of mold insert 10 just can become the part of die cavity 7 like this, and the step surface 1051 of mold insert 10 just can form the baseplane of die cavity 7; And the ox horn tip of feed nozzle 9 places the baseplane that just is equivalent on the step 105 directly with the plastic sidewall to link to each other; When injection moulding is accomplished, feed nozzle 9 directly with the baseplane disjunction of plastic sidewall, thereby can not produce clout on the assurance plastic.
The foregoing description should not be regarded as limitation of the present invention, but any improvement of doing based on spirit of the present invention, all should be within protection scope of the present invention.
Claims (4)
1. the mould of a cattle horn shape feed nozzle, it includes dynamic and static module, between dynamic and static module, is provided with die cavity and material liquid flowing channel, and feed nozzle one end communicates with material liquid flowing channel, and the other end communicates with die cavity; It is characterized in that described feed nozzle is the ox horn shape, the tip of feed nozzle communicates with cavity bottom, and the tail end of feed nozzle communicates with material liquid flowing channel.
2. the mould of a kind of cattle horn shape feed nozzle according to claim 1 is characterized in that described material injection nozzle is arranged on the mold insert, and this mold insert is fixed on the quiet module; The panelling that described mold insert also can be fitted by two symmetries is formed, and on two panels, is respectively equipped with the arc groove of ox horn shape semicircular in shape, and the arc groove on the two panels constitutes described feed nozzle.
3. the mould of a kind of cattle horn shape feed nozzle according to claim 1 and 2; It is characterized in that on described panelling, being provided with an end and connect feed nozzle; The transition runner that the other end links to each other with material liquid flowing channel, this transition runner are arranged on the passage that is quadrant shape on the two plate panelling end faces and constitute.
4. the mould of a kind of cattle horn shape feed nozzle according to claim 3; It is characterized in that described mold insert one side is provided with step; On quiet module, be provided with groove, this groove one side is in die cavity, and mold insert is fixed in the groove; Step surface constitutes the baseplane of die cavity, is complementary perpendicular to the sidewall shape of step surface and the sidewall of die cavity; The tip of described feed nozzle is arranged on the step surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101745953A CN102658629A (en) | 2012-05-23 | 2012-05-23 | Oxhorn-shaped feeding mouth forming mould |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101745953A CN102658629A (en) | 2012-05-23 | 2012-05-23 | Oxhorn-shaped feeding mouth forming mould |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102658629A true CN102658629A (en) | 2012-09-12 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012101745953A Pending CN102658629A (en) | 2012-05-23 | 2012-05-23 | Oxhorn-shaped feeding mouth forming mould |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102658629A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102922685A (en) * | 2012-11-12 | 2013-02-13 | 凡嘉科技（无锡）有限公司 | Horn ejection structure |
| CN108724638A (en) * | 2018-06-26 | 2018-11-02 | 珠海格力精密模具有限公司 | Sprue gate insert and mold comprising same |
| CN110509504A (en) * | 2019-05-31 | 2019-11-29 | 太仓市天丝利塑化有限公司 | It is a kind of for product injection molding it is efficient into gluing method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000045968A (en) * | 1998-08-03 | 2000-02-15 | Daido Metal Co Ltd | Manufacturing method and molding device for scroll type tip seal |
| JP2000127204A (en) * | 1998-10-21 | 2000-05-09 | Cosmo Seimitsu:Kk | Injection mold |
| CN201346834Y (en) * | 2009-01-13 | 2009-11-18 | 圣美精密工业(昆山)有限公司 | Injection molding die |
| WO2010070160A1 (en) * | 2008-12-18 | 2010-06-24 | Universidad De Zaragoza | Horn-shaped channel insert for plastic injection moulding processes |
| CN201856348U (en) * | 2010-11-11 | 2011-06-08 | 东莞市蓝光塑胶模具有限公司 | Improved Banana Latent Sprue |
| CN202623179U (en) * | 2012-05-23 | 2012-12-26 | 温州市中工精密模具有限公司 | Molding die of horn-shaped feed nozzle |
-
2012
- 2012-05-23 CN CN2012101745953A patent/CN102658629A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000045968A (en) * | 1998-08-03 | 2000-02-15 | Daido Metal Co Ltd | Manufacturing method and molding device for scroll type tip seal |
| JP2000127204A (en) * | 1998-10-21 | 2000-05-09 | Cosmo Seimitsu:Kk | Injection mold |
| WO2010070160A1 (en) * | 2008-12-18 | 2010-06-24 | Universidad De Zaragoza | Horn-shaped channel insert for plastic injection moulding processes |
| CN201346834Y (en) * | 2009-01-13 | 2009-11-18 | 圣美精密工业(昆山)有限公司 | Injection molding die |
| CN201856348U (en) * | 2010-11-11 | 2011-06-08 | 东莞市蓝光塑胶模具有限公司 | Improved Banana Latent Sprue |
| CN202623179U (en) * | 2012-05-23 | 2012-12-26 | 温州市中工精密模具有限公司 | Molding die of horn-shaped feed nozzle |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102922685A (en) * | 2012-11-12 | 2013-02-13 | 凡嘉科技（无锡）有限公司 | Horn ejection structure |
| CN108724638A (en) * | 2018-06-26 | 2018-11-02 | 珠海格力精密模具有限公司 | Sprue gate insert and mold comprising same |
| CN108724638B (en) * | 2018-06-26 | 2023-09-08 | 珠海格力精密模具有限公司 | Pouring gate insert and die comprising same |
| CN110509504A (en) * | 2019-05-31 | 2019-11-29 | 太仓市天丝利塑化有限公司 | It is a kind of for product injection molding it is efficient into gluing method |
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| C06 | Publication | ||
| PB01 | Publication | ||
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| 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 |
Application publication date: 20120912 |