CN102514160B - Inclined top mechanism of injection mold and injection mold having same - Google Patents
Inclined top mechanism of injection mold and injection mold having same Download PDFInfo
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- CN102514160B CN102514160B CN201110416306.1A CN201110416306A CN102514160B CN 102514160 B CN102514160 B CN 102514160B CN 201110416306 A CN201110416306 A CN 201110416306A CN 102514160 B CN102514160 B CN 102514160B
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- 230000007246 mechanism Effects 0.000 title claims abstract description 38
- 238000002347 injection Methods 0.000 title claims abstract description 35
- 239000007924 injection Substances 0.000 title claims abstract description 35
- 238000001746 injection moulding Methods 0.000 claims description 40
- 239000007788 liquid Substances 0.000 claims description 21
- 239000007787 solid Substances 0.000 claims description 10
- 230000007547 defect Effects 0.000 abstract description 3
- 239000012530 fluid Substances 0.000 abstract 1
- 239000003921 oil Substances 0.000 description 21
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000010720 hydraulic oil Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 101100117236 Drosophila melanogaster speck gene Proteins 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
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Abstract
The present invention provides an inclined top mechanism of an injection mold and an injection mold possessing the mechanism, the described injection mold comprises a movable template and a fixed template, the movable template can move along the die locking direction, and the movable template and the fixed template form a closed mold cavity, a hot nozzle body is provided on the movable template which can pass through the movable template and can inject the injection fluid in the cavity and can stretch along the die locking direction, an inclined top block is provided at the end part of an inclined top rod close to one side of the mold cavity, a channel used for communicating the heat nozzle body and the mold cavity is formed on the inclined top block. The channel is used for communicating the heat nozzle body and the mold cavity. If the hot nozzle body and the cavity are not directly connected, a high-temperature hot zone can not formed on the surface of the product, the invention is able to avoid the surface defects formed in the product, like burrs, sharp corners, shrink and so on, thereby the quality of the product can be improved.
Description
Technical field
The present invention relates to a kind of Slanted ejecting mechanism of injection mould and the injection mold of this mechanism is installed.
Background technology
At present, along with the raising of people's level of consumption, people require more and more higher to equipment appearances such as various daily necessitiess or the vehicles.Take automobile as example, and people all have higher requirement to the moulding of automotive upholstery and outward appearance.Yet, when producing this base part, conventionally adopting traditional injection mold, this injection mold generally adopts side gate or needle valve cast gate, adopts these two kinds of cast gates to have following shortcoming:
1) side gate: enter injection moulding liquid from product periphery, injection moulding liquid flows to its another edge side from the edge side of die cavity in injection moulding process, causes the injection moulding liquid filling time long, and injection moulding efficiency is low.Meanwhile, adopt this side gate, after injection moulding completes, need manually to revise material handle, and artificial revise material time may scratch dermatoglyph, on Surface Appearance, leave a trace, the quality of reduction product.
2) needle valve cast gate: hot-runner nozzle portion is directly in the appearance of product, because the temperature in the exit of spray nozzle part is very high, when it contacts with the appearance of product, very easily in its appearance, form hot spot region, easily on Surface Appearance, form obvious speck and shrink mark, reduce the quality of product.
Summary of the invention
In view of this, the injection mold that main purpose of the present invention is to provide a kind of Slanted ejecting mechanism of injection mould that can improve the quality of products and this mechanism is installed.
In order to achieve the above object, the present invention proposes a kind of Slanted ejecting mechanism of injection mould, described injection mold comprises moving platen and solid plate, described moving platen can move along matched moulds direction, closed and form mold cavity mutually by described moving platen and solid plate, on described moving platen, be provided with through its inside and angle ejector rod that can be flexible in matched moulds direction with for inject the hot nozzle body of injection moulding liquid in described die cavity, it is characterized in that, end in close described die cavity one side of described angle ejector rod is connected with slanted kicking block, on this slanted kicking block, be formed with to be communicated with the runner of described hot nozzle body and described die cavity.
Draw from the above mentioned, owing to being provided with runner on slanted kicking block, injection moulding liquid is flowed through this runner by the outlet of described hot nozzle body and is injected in described die cavity.Like this, between hot nozzle body and described die cavity, by this runner, be connected, the outlet of hot nozzle body is not directly connected and can not forms high temperature hot-zone at product surface with die cavity, can avoid forming the blemish such as burr, wedge angle, shrink on the surface of product, thereby improve the quality of product.
In addition, because described runner is opened on described slanted kicking block, make this slanted kicking block for when offering runner, can also realize the ejecting function of product, can reduce the quantity of the parts of injection mold, make its structure compacter.
Preferably, the groove of described runner for offering on described slanted kicking block, and at the two ends of this groove, there is opening, and one end opening is corresponding with hot nozzle body, and its other end opening is corresponding with the die cavity opening injecting for described injection moulding liquid on described die cavity.
Draw from the above mentioned, described runner adopts groove structure to realize, because a side of this groove structure has opening, when injection moulding liquid is flowed through this runner, can carry out cooling to a certain degree to injection moulding liquid, thereby avoid because injection moulding liquid temp is too high and form defect at product surface.
Preferably, join with the opening of close described die cavity one side of described runner, on described slanted kicking block, be provided with the cast gate with streamlined curved surface, and this cast gate and described die cavity opening align.
Draw from the above mentioned, because described cast gate is streamlined curved surface, can avoid the place contacting with mould at product to form back-off, be conducive to, after injection moulding completes, product is carried out to the demoulding.
Preferably, described runner is opened in the middle part of described slanted kicking block, and on described slanted kicking block, the both sides of corresponding described runner are respectively equipped with described angle ejector rod.
Draw from the above mentioned, because the both sides of corresponding described runner on described slanted kicking block are respectively equipped with described angle ejector rod, can make to act on the ejecting force distributing equilibrium on described slanted kicking block, thereby in the ejection process of product, make to act on the dynamics distributed uniform on product, be conducive to ejecting product.
Preferably, in the middle part of described slanted kicking block, offer U-shaped portion, the opposition side of open side that should U-shaped portion is provided with to runner on slanted kicking block.
Draw from the above mentioned, owing to offering U-shaped portion on described slanted kicking block, and the opposition side of open side that should U-shaped portion is provided with to runner on slanted kicking block, hot nozzle body can be stretched into by the open side of U-shaped portion in this U-shaped portion and align with the opening of described runner, is conducive to make the outlet of hot nozzle body and the opening of runner to align.
Preferably, in the side relative with described die cavity of described moving platen, be provided with and eject template, and this ejects template and can move along matched moulds direction, one end away from described die cavity of described angle ejector rod is connected with the described template that ejects by attaching parts.
Draw from the above mentioned, because the two ends of described angle ejector rod are connected with described slanted kicking block with the described template that ejects respectively, when ejecting template and move along matched moulds direction, described angle ejector rod can drive described slanted kicking block to move along matched moulds direction, thereby realizes the ejection process of product.
Preferably, be connected and be provided with to lock the oil cylinder locking mechanism of described slanted kicking block with described slanted kicking block, this oil cylinder locking mechanism at least include oil cylinder and can be by this hydraulic oil cylinder driving and in the direction vertical with described matched moulds direction flexible check lock lever, described oil cylinder is fixed on described moving platen, on described slanted kicking block, be provided with hole, under injection moulding state, described check lock lever is stretched in this hole by described hydraulic oil cylinder driving.
Draw from the above mentioned, owing to being provided with retaining mechanism, in injection moulding process, can to described slanted kicking block, be fixed by this retaining mechanism, avoid slanted kicking block to be beaten back because injection moulding power is excessive.
Preferably, described oil cylinder locking mechanism comprises described oil cylinder, oil cylinder fixed block, cylinder connector, check lock lever fixed block and the described check lock lever setting gradually, described oil cylinder is fixed on the outside of described moving platen by described oil cylinder fixed block, one end of described cylinder connector is connected with described oil cylinder fixed block, its other end is connected with described check lock lever fixed block, and one end away from described slanted kicking block of described check lock lever is connected with described check lock lever fixed block.
Meanwhile, the invention allows for a kind of injection mold, it is characterized in that, arbitrary described pitched roof mechanism in aforementioned is installed on described injection mold.
Draw from the above mentioned, described injection mold has beneficial effect same as described above, and therefore not to repeat here.
Preferably, described die cavity opening is opened in a side of the injection mold corresponding with the back side of described product.
Draw from the above mentioned, because described die cavity opening is opened in a side of the injection mold corresponding with the back side of described product, in injection moulding process, from the back side with product, a corresponding side enters in described die cavity injection moulding liquid, like this, even if form blemish in injection moulding process, this blemish is also positioned at the back side of product, to can not affect the appearance of whole product, be conducive to improve the quality of product.
Accompanying drawing explanation
Fig. 1 is the schematic diagram that arranges of pitched roof mechanism and described mold cavity, has wherein omitted the solid plate and the moving platen that form die cavity;
Fig. 2 is the partial enlarged drawing at A place in Fig. 1.
The specific embodiment
Below in conjunction with Fig. 1 and Fig. 2, the Slanted ejecting mechanism of injection mould of the present invention's proposition is elaborated.
Fig. 1 is the schematic diagram that arranges of pitched roof mechanism and molding mold cavity, has omitted in the figure the solid plate and moving platen and other structures that form die cavity.Fig. 2 is the partial enlarged drawing at A place in Fig. 1.As shown in Figure 1, injection mold comprises moving platen (not shown) and solid plate (not shown), and this moving platen can move along matched moulds direction.Between moving platen and solid plate, there is gap, by this gap, formed the product mold die cavity 1 matching with shape of product, wherein, the back side that a side of the die cavity 1 of corresponding moving platen side is product; The front (being also the appearance of product) that one side of the die cavity 1 of corresponding solid plate side is product.Die cavity opening (not shown) is opened on the moving platen corresponding with the back side of product, and this die cavity opening is positioned at the middle part of described die cavity 1, like this, in injection moulding process, from the back side with product, a corresponding side enters in described die cavity injection moulding liquid, and flow to surrounding from the middle part of die cavity 1, like this, even if form blemish in injection moulding process, this blemish is also positioned at the back side of product, to can not affect the appearance of whole product, be conducive to improve the quality of product.Meanwhile, injection moulding liquid flows to surrounding from the middle part of die cavity 1, can shorten the filling time of injection moulding liquid, is conducive to improve injection moulding efficiency.
In a side of the close die cavity 1 of moving platen, be provided with and eject template (not shown), this eject template can along matched moulds direction towards close/away from the direction of die cavity 1, move.On moving platen, be provided with the pitched roof mechanism through its inside, this pitched roof mechanism comprises a pair of diversion piece 11 (forming attaching parts of the present invention), a pair of angle ejector rod 2, a pair of slider guide 12 and the slanted kicking block 6 setting gradually, wherein, diversion piece 11 by the first screw 14 with eject template and be connected; One end of angle ejector rod 2 is connected with diversion piece 11 by the second screw 15, and its other end is connected with slanted kicking block 6 by oblique top fixed block 13 through slider guide 12.When ejecting template and move along matched moulds direction, diversion piece 11 can drive slanted kicking blocks 6 carry out uniformity along matched moulds direction by angle ejector rod 2 and move, thus ejecting product.In the present embodiment, slanted kicking block 6 is rectangular-shaped, offers a U-shaped opening 61 (form of the present invention U-shaped portion) in the middle part of this slanted kicking block 6, and the both sides of described angle ejector rod 2 and this U-shaped opening 61 are corresponding and be connected on slanted kicking block 6.Because angle ejector rod 2 is symmetricly set in the both sides of slanted kicking block 6, can make to act on the ejecting force distributing equilibrium on slanted kicking block 6, thereby in the ejection process of product, make to act on the dynamics distributed uniform on product, be conducive to ejecting product.Align with the U-shaped opening 61 of slanted kicking block 6, be fixed with hot nozzle body 3 on moving platen, this hot nozzle body 3 for providing the injection moulding liquid of high-temperature fusion in die cavity 1.
As shown in Figure 2, corresponding with the opposition side of the open side of U-shaped opening 61, on slanted kicking block 6, offer a groove 7, two ends at this groove 7 have opening, the outlet 31 of one end opening and hot nozzle body 3 aligns, die cavity opening on its other end opening and die cavity 1 aligns, and by this groove 7, hot nozzle body outlet 31 is communicated with die cavity 1.In injection moulding process, injection moulding liquid enters groove 7 by the outlet 31 of hot nozzle body 3, and this groove 7 of flowing through is injected in die cavity 1 by die cavity opening.Like this, hot nozzle body outlet 31 does not directly contact with the product back side, can avoid forming the blemish such as burr, wedge angle, shrink on the surface of product, thereby improve the quality of product.Meanwhile, because a side of this groove 7 is hatch frame,, when injection moulding liquid is flowed through this runner, can carry out cooling to a certain degree to injection moulding liquid, thereby avoid because injection moulding liquid temp is too high and form defect at product surface.In addition, because groove 7 is opened on slanted kicking block 6, make this slanted kicking block 6 for when offering runner, can also realize the ejecting function of product, can reduce the quantity of the parts of injection mold, make its structure compacter.
As shown in Figure 2, join with the opening of close die cavity one side of groove 7, be provided with cast gate 9 on slanted kicking block 6, this cast gate 9 aligns with die cavity opening, and this cast gate 9 has streamlined curved surface.Because cast gate 9 has popular type curved surface, can avoid the place contacting with mould at product to form back-off, be conducive to, after injection moulding completes, product is carried out to the demoulding.
On injection mold, be connected and be provided with oil cylinder locking mechanism with slanted kicking block 6, in injection moulding process, by this oil cylinder locking mechanism locking slanted kicking block 6, so that slanted kicking block 6 is fixed, can avoid slanted kicking block 6 to be beaten back because injection moulding power is excessive.As shown in Figure 1, oil cylinder locking mechanism includes oil cylinder 8, oil cylinder fixed block 5, cylinder connector (not shown), check lock lever fixed block 10 and the check lock lever 4 setting gradually, wherein, oil cylinder 8 is fixed on the outside of moving platen by oil cylinder fixed block 5, oil cylinder fixed block 3 is connected with check lock lever fixed block 10 by cylinder connector, one end of check lock lever 4 is connected with check lock lever fixed block 10, and its other end is connected with slanted kicking block 6 through moving platen inside.Under the effect of cylinder connector, check lock lever fixed block 10 drives check lock lever 4 to seesaw, when check lock lever 4 travels forward, check lock lever 4 inserts in the through hole 62 (forming hole of the present invention) on slanted kicking blocks 6 and locks slanted kicking block 6 it can not be moved along matched moulds direction; When check lock lever 4 moves backward, in the through hole 62 of check lock lever 4 from slanted kicking block 6, exit slanted kicking block 6 and can move along matched moulds direction, with this, realize the locking effect to pitched roof mechanism.
Below in conjunction with the structure shown in Fig. 1, the course of action of injection mold is described.
During injection mould closing, slanted kicking block 6 is got back in die cavity 1 by being fixed under the promotion of the diversion piece 11 that ejects in template and angle ejector rod 2, then the check lock lever fixed block 10 being fixed on check lock lever 4 drives check lock lever 4 to move forward under the driving of oil cylinder 8, in the through hole 62 that check lock lever 4 inserts on slanted kicking block 6, lock slanted kicking block 6, complete mould assembling action.In injection moulding process, injection moulding liquid enters groove 7 by the outlet 31 of hot nozzle body 3, this groove 7 being injected in die cavity 1 by die cavity opening of flowing through.After injection moulding completes, first moving platen and solid plate carry out die sinking, when injection mold reach die sinking apart from time, check lock lever fixed block 10 drives check lock lever 4 to detach from through hole 62 under the driving of oil cylinder 8, check lock lever 4 is return from slanted kicking block 6, then slanted kicking block 6 ejects product downwards by being fixed under the promotion of the diversion piece 11 that ejects in template and angle ejector rod 2, thereby completes the ejection process of product.
The foregoing is only preferred embodiment of the present invention, in order to limit the present invention, within the spirit and principles in the present invention not all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
For example, of the present invention focusing on protected the runner that is provided with an employing groove structure on slanted kicking block, for other pitched roof mechanisms and retaining mechanism, is prior art, also can adopt other alternative schemes in prior art to realize, and therefore not to repeat here.
Again for example, in the above-described embodiments, as shown in Figure 1, take slanted kicking block 6 as the rectangular-shaped explanation of carrying out as example, yet not limited thereto, this slanted kicking block also can adopt other shapes, and the shape of this slanted kicking block is determined according to the concrete structure of product particularly.
Again for example, in the above-described embodiments, as shown in Figure 1, be provided with a pair of angle ejector rod 2 on slanted kicking block 6, yet not limited thereto, this angle ejector rod 2 also can be a plurality of (being greater than 2).When a plurality of angle ejector rod being set on slanted kicking block, this angle ejector rod is preferably uniformly distributed on slanted kicking block.
Again for example, in the above-described embodiments, adopt oil cylinder to drive the motion of check lock lever in described retaining mechanism, yet not limited thereto, it also adopts cylinder that driving force is provided.
Claims (8)
1. a Slanted ejecting mechanism of injection mould, described injection mold comprises moving platen and solid plate, described moving platen can move along matched moulds direction, closed and form mold cavity (1) mutually by described moving platen and solid plate, on described moving platen, be provided with through its inside and angle ejector rod (2) that can be flexible in matched moulds direction with for inject the hot nozzle body (3) of injection moulding liquid in described die cavity (1), it is characterized in that, end in close described die cavity one side of described angle ejector rod (2) is connected with slanted kicking block (6), in the middle part of described slanted kicking block (6), offer U-shaped portion (61), the opposition side of open side that should U-shaped portion (61) is provided with to be communicated with on slanted kicking block (6) to the runner of described hot nozzle body (3) and described die cavity (1), the groove (7) of described runner for offering on described slanted kicking block (6), and there is opening at the two ends of this groove (7), one end opening and hot nozzle body (3) align, the upper die cavity opening injecting for described injection moulding liquid of its other end opening and described die cavity (1) aligns.
2. pitched roof mechanism according to claim 1, it is characterized in that, join with the opening of close described die cavity one side of described runner, on described slanted kicking block (6), be provided with the cast gate (9) with streamlined curved surface, and this cast gate (9) aligns with described die cavity opening.
3. pitched roof mechanism according to claim 1, is characterized in that, described runner is opened in the middle part of described slanted kicking block (6), in the both sides of the upper corresponding described runner of described slanted kicking block (6), is respectively equipped with described angle ejector rod (2).
4. pitched roof mechanism according to claim 1, it is characterized in that, in the side relative with described die cavity (1) of described moving platen, be provided with and eject template, and this ejects template and can move along matched moulds direction, one end away from described die cavity of described angle ejector rod (2) is connected with the described template that ejects by attaching parts.
5. pitched roof mechanism according to claim 1, it is characterized in that, be connected and be provided with to lock the oil cylinder locking mechanism of described slanted kicking block (6) with described slanted kicking block (6), this oil cylinder locking mechanism at least include oil cylinder (8) and can be driven by this oil cylinder (8) and in the direction vertical with described matched moulds direction flexible check lock lever (4), described oil cylinder (8) is fixed on described moving platen, on described slanted kicking block (6), be provided with hole (62), under injection moulding state, described check lock lever (4) is driven and stretches in this hole (62) by described oil cylinder (8).
6. pitched roof mechanism according to claim 5, it is characterized in that, described oil cylinder locking mechanism comprises the described oil cylinder (8) setting gradually, oil cylinder fixed block (5), cylinder connector, check lock lever fixed block (10) and described check lock lever (4), described oil cylinder (8) is fixed on the outside of described moving platen by described oil cylinder fixed block (5), one end of described cylinder connector is connected with described oil cylinder fixed block (5), its other end is connected with described check lock lever fixed block (10), one end away from described slanted kicking block (6) of described check lock lever (4) is connected with described check lock lever fixed block (10).
7. an injection mold, is characterized in that, arbitrary described pitched roof mechanism in claim 1-6 is installed on described injection mold.
8. injection mold according to claim 7, is characterized in that, described die cavity opening is opened in a side of the injection mold corresponding with the back side of described product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110416306.1A CN102514160B (en) | 2011-12-13 | 2011-12-13 | Inclined top mechanism of injection mold and injection mold having same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110416306.1A CN102514160B (en) | 2011-12-13 | 2011-12-13 | Inclined top mechanism of injection mold and injection mold having same |
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| Publication Number | Publication Date |
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| CN102514160A CN102514160A (en) | 2012-06-27 |
| CN102514160B true CN102514160B (en) | 2014-05-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201110416306.1A Active CN102514160B (en) | 2011-12-13 | 2011-12-13 | Inclined top mechanism of injection mold and injection mold having same |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105881828A (en) * | 2015-01-08 | 2016-08-24 | 宁波米勒模具制造有限公司 | Pitched roof shunt mechanism |
| CN105150467A (en) * | 2015-08-25 | 2015-12-16 | 天津银宝山新科技有限公司 | Flat seam adhesive feeding type pitched roof mechanism |
| CN107379424A (en) * | 2016-05-17 | 2017-11-24 | 群达模具(深圳)有限公司 | A kind of mould and forming method of notebook face-piece |
| CN108115893A (en) * | 2017-12-21 | 2018-06-05 | 青岛华涛汽车模具有限公司 | A kind of upside-down mounting mould is into gluing mechanism |
| CN110341130B (en) * | 2019-08-15 | 2021-02-26 | 友信精密实业(深圳)有限公司 | Injection mold for buffering L-shaped sheet |
| CN115256797B (en) * | 2022-06-13 | 2024-07-02 | 江苏新泉模具有限公司 | Automobile interior trim rolling shutter door double-material injection mold interior trim production mold |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101618580A (en) * | 2008-07-02 | 2010-01-06 | 李扬德 | Energy-saving mode locking device |
| CN201511498U (en) * | 2009-09-25 | 2010-06-23 | 滨海模塑集团有限公司 | Plastic die large-span hidden type gate |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5429492A (en) * | 1992-12-23 | 1995-07-04 | Taniyama; Yoshihiko | Plastic molding apparatus |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101618580A (en) * | 2008-07-02 | 2010-01-06 | 李扬德 | Energy-saving mode locking device |
| CN201511498U (en) * | 2009-09-25 | 2010-06-23 | 滨海模塑集团有限公司 | Plastic die large-span hidden type gate |
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Effective date of registration: 20210118 Address after: 266101 Haier Road, Qingdao hi tech Industrial Park, Shandong Province (inside Haier Industrial Park) Patentee after: Qingdao Haier Molds Co.,Ltd. Address before: 266101 Haier Industrial Park, 1 Haier Road, hi tech park, Laoshan District, Shandong, Qingdao Patentee before: QINGDAO HAIER MOLDS Co.,Ltd. Patentee before: HAIER Group Corp. |
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Address after: 266101 Haier Industrial Park, Qingdao High tech Industrial Park, Shandong Province Patentee after: Kaos Mold (Qingdao) Co.,Ltd. Address before: 266101 Haier Road, Qingdao hi tech Industrial Park, Shandong Province (inside Haier Industrial Park) Patentee before: Qingdao Haier Molds Co.,Ltd. |