CN104908256A - Pneumatic type forced demolding mechanism and mold thereof - Google Patents
Pneumatic type forced demolding mechanism and mold thereof Download PDFInfo
- Publication number
- CN104908256A CN104908256A CN201510410944.0A CN201510410944A CN104908256A CN 104908256 A CN104908256 A CN 104908256A CN 201510410944 A CN201510410944 A CN 201510410944A CN 104908256 A CN104908256 A CN 104908256A
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- China
- Prior art keywords
- mould
- mold
- plate
- snap ring
- core
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/40—Removing or ejecting moulded articles
- B29C45/43—Removing or ejecting moulded articles using fluid under pressure
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/33—Moulds having transversely, e.g. radially, movable mould parts
- B29C45/332—Mountings or guides therefor; Drives therefor
Abstract
The invention provides a pneumatic type forced demolding mechanism and a mold thereof. The pneumatic type forced demolding mechanism comprises a mold base structure component for a mold, a molding component, a pneumatic forced push-out component and a fixed distance parting control mechanism component; the basic structure of the mold is a three-plate type injection mold structure; the layout of the mold is that one mold is provided with four cavities; the pouring mode is a pin-point gate pouring mode; by adopting the mold of the invention provided by the abovementioned technical scheme, the defect of being unable to adopt a push plate, an ejector pin and other conventional push-out modes to push out the mold is overcome when a small-sized product is smaller and the shape of a parting surface is not regular in the injection molding process of molding, a simple pneumatic push-out mechanism is used to realize the push-out function of the abovementioned product, the automatic molding production of the mold is realized, and the molding quality of the product is guaranteed effectively; the pneumatic type forced demolding mechanism is reasonable in structural design, stable when working, safe and reliable.
Description
Technical field
The present invention relates to injection mold mechanism design field, be specially a kind of pneumatic type forced demoulding mechanism and mould thereof.
Background technology
As shown in Figure 1, during small-size product injection mo(u)lding, because product is less, and die joint out-of-shape, the conventional pushing method such as push pedal release and thimble can not be adopted when ejecting to eject, must the special ejecting mechanism of design and mould produce with the automation injection moulding completing product.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of pneumatic type forced demoulding mechanism and mould thereof, reasonable in design, compact conformation, and working stability is safe and reliable, easy-to-use, for solving above-mentioned existing technical problem, the present invention adopts following scheme: a kind of pneumatic type forced demoulding mechanism and mould thereof, comprise ventilation ejector sleeve, eject core pin, ejector sleeve snap ring, snap ring cover plate, sealing ring on snap ring, vent board, valve, core pin lower seal, core pin tapered end screw, vent board guide pillar, upper clamping plate, stripper plate, guide pillar, impression bolster, core fixing plate, dynamic model backing plate, eject connecting rod, mould foot rest, thimble cover plate, thimble push plate, counterdie seat board, back-moving spring, release link, die cavity pull bar, stripper plate pull bar, resin shutter, die cavity mold insert, core mold insert.
As preferably, described mould die carrier structure assembly comprises upper clamping plate, stripper plate, guide pillar, impression bolster, core fixing plate, dynamic model backing plate, ejects connecting rod, mould foot rest, thimble cover plate, thimble push plate, counterdie seat board, back-moving spring, release link, die cavity pull bar, stripper plate pull bar, resin shutter.
As preferably, described molding assembly comprises die cavity mold insert), core mold insert, ejector sleeve of ventilating, eject core pin.
As preferably, described pneumatic pressure ejection assembly comprises ventilation ejector sleeve, ejects sealing ring on core pin, ejector sleeve snap ring, snap ring cover plate, snap ring, vent board, valve, core pin lower seal, core pin tapered end screw, vent board guide pillar; Ventilation ejector sleeve head is core, and its underpart is provided with draw-in groove, and limited by ejector sleeve snap ring and be installed on snap ring cover plate, snap ring cover plate and vent board are connect by screw fastening; When draw-in groove position is installed on mould on ventilation ejector sleeve, sealing ring on snap ring is housed, core pin lower seal is equipped with in lower end; Eject core pin upper end and be installed on ventilation ejector sleeve core position, lower end is installed on mould dynamic model backing plate, by the fastening installation of core pin tapered end screw in compression; Vent board offers air flue, and air flue is connected by valve and extraneous source of the gas.
As preferably, described mould Given-distance Parting controlling organization assembly comprises die cavity pull bar, stripper plate pull bar, resin shutter.
As preferably, described mould basic structure is three plate injection mold lamps structure; Mold layout one mould goes out four chambeies; Pouring type is spot pouring mouth pouring type.
Beneficial effect: a kind of pneumatic type forced demoulding mechanism that the present invention adopts technique scheme to provide and mould thereof, overcome in molding injection molding process, during less the and die joint out-of-shape of small-size product product, the shortcoming that the conventional pushing method such as push pedal release and thimble can not be adopted to eject ejects, the ejecting function of the said goods is realized with simple pneumatic ejecting mechanism, the automation molding achieving mould is produced, and effectively ensure that forming quality of products; Reasonable in design, working stability, safe and reliable.
Accompanying drawing explanation
Fig. 1 is a kind of pneumatic type forced demoulding mechanism of the present invention and mould institute application product schematic diagram thereof;
Fig. 2 is a kind of pneumatic type forced demoulding mechanism of the present invention and mold layout schematic diagram thereof;
Fig. 3 is a kind of pneumatic type forced demoulding mechanism of the present invention and mould spacing controlling organization scheme of installation thereof;
Fig. 4 is a kind of pneumatic type forced demoulding mechanism of the present invention and the pneumatic ejecting mechanism scheme of installation of mould thereof;
Fig. 5 is a kind of pneumatic type forced demoulding mechanism of the present invention and mould is pneumatic ejects part detail drawing of installation schematic diagram;
Fig. 6 is a kind of pneumatic type forced demoulding mechanism of the present invention and mould ventilation ejector sleeve structural representation thereof;
Fig. 7 is that a kind of pneumatic type forced demoulding mechanism of the present invention and mould ventilation ejector sleeve head thereof and core pin assemble schematic diagram;
Fig. 8 is that a kind of pneumatic type forced demoulding mechanism of the present invention and mould somatotype thereof control schematic diagram;
Fig. 9 is a kind of pneumatic type forced demoulding mechanism of the present invention and mould product ejection process schematic diagram thereof;
Figure 10 is that a kind of pneumatic type forced demoulding mechanism of the present invention and the pneumatic air inlet of mould thereof control opening and closing schematic diagram.
Detailed description of the invention
Fig. 1-10 is depicted as related description figure of the present invention, a kind of pneumatic type forced demoulding mechanism and mould thereof, comprise ventilation ejector sleeve 1, eject core pin 2, ejector sleeve snap ring 3, snap ring cover plate 4, sealing ring 5 on snap ring, vent board 6, valve 7, core pin lower seal 8, core pin tapered end screw 9, vent board guide pillar 10, upper clamping plate 11, stripper plate 12, guide pillar 13, impression bolster 14, core fixing plate 15, dynamic model backing plate 16, eject connecting rod 17, mould foot rest 18, thimble cover plate 19, thimble push plate 20, counterdie seat board 21, back-moving spring 22, release link 23, die cavity pull bar 24, stripper plate pull bar 25, resin shutter 26, die cavity mold insert 27, core mold insert 28.
Described mould die carrier structure assembly comprises upper clamping plate 11, stripper plate 12, guide pillar 13, impression bolster 14, core fixing plate 15, dynamic model backing plate 16, ejects connecting rod 17, mould foot rest 18, thimble cover plate 19, thimble push plate 20, counterdie seat board 21, back-moving spring 22, release link 23, die cavity pull bar 24, stripper plate pull bar 25, resin shutter 26, die cavity mold insert 27, core mold insert 28, as shown in Figure 3, Figure 4.
Described molding assembly comprises die cavity mold insert 27, core mold insert 28, ventilation ejector sleeve 1, ejects core pin 2.
Described pneumatic pressure ejection assembly comprises ventilation ejector sleeve 1, ejects sealing ring 5 on core pin 2, ejector sleeve snap ring 3, snap ring cover plate 4, snap ring, vent board 6, valve 7, core pin lower seal 8, core pin tapered end screw 9, vent board guide pillar 10; Ventilation ejector sleeve 1 head is core, and its underpart is provided with draw-in groove, and limited by ejector sleeve snap ring 3 and be installed on snap ring cover plate 4, snap ring cover plate 4 and vent board 6 are connect by screw fastening; When draw-in groove position is installed on mould on ventilation ejector sleeve 1, sealing ring 5 on snap ring is housed, core pin lower seal 8 is equipped with in lower end; Eject core pin 2 upper end and be installed on ventilation ejector sleeve 1 core position, lower end is installed on mould dynamic model backing plate 16, compresses fastening installation by core pin tapered end screw 9; Vent board 6 offers air flue, and air flue is connected, as shown in Fig. 4, Fig. 5, Fig. 6, Fig. 7 by valve 7 and extraneous source of the gas.
Described mould Given-distance Parting controlling organization assembly comprises die cavity pull bar 24, stripper plate pull bar 25, resin shutter 26, as shown in Figure 8.
Described mould basic structure is three plate injection mold lamps structure; Mold layout one mould goes out four chambeies; Pouring type is spot pouring mouth pouring type, as shown in Figure 2.
During real work, as shown in Fig. 8, Fig. 9, Figure 10, its motion operation principle is as follows:
1) die sinking as shown in Figure 8, and mold injection is complete, and mould is the same with three template die die sinking modes, is in successively under the control of described mould Given-distance Parting controlling organization assembly successively by PL1-PL2-PL3 die sinking at PL1, PL2, PL3;
2) demoulding is as shown in Figure 9, product from injection moulding complete to ejection process respectively as shown in I, II, III, IV Fig. 9; Accordingly, shown in composition graphs 4, the course of action of supporting pneumatic pressure ejection assembly is: after mold cavity is opened, injection machine push rod withstands thimble push plate 20, thus promote ventilation ejector sleeve 1, ejector sleeve snap ring 3, snap ring cover plate 4, sealing ring 5, vent board 6, valve 7, core pin lower seal 8 on snap ring, eject connecting rod 17 under the guiding of vent board guide pillar 10, move upward and eject, as shown in III in Fig. 9; After product ejects in core mold insert 28, the core bore UNICOM of the air flue in vent board 6 and ventilation ejector sleeve 1 inner core pin hole by close change into open-minded, as shown in Figure 10, now, external air source is open-minded, and the core pin hole by ventilation ejector sleeve 1 top is entered product with in the encirclement space that formed of ventilation ejector sleeve 1 by pressure-air, and gases at high pressure will force product to be deviate from from ejector sleeve 1 of ventilating, as shown in IV in Fig. 9, thus complete the demoulding of whole product.
3) when resetting, pneumatic pressure ejection assembly, under the promotion of back-moving spring 22, first resets, and then mould template presses PL2-PL1-PL3 reset, and mould is completely closed, waits for that next injection cycle starts.
Specific embodiment described herein is only to the explanation for example of the present invention's spirit, those skilled in the art can make various amendment or supplement or adopt similar mode to substitute to described specific embodiment, but can't depart from spirit of the present invention or surmount the scope that appended claims defines.
Claims (6)
1. a pneumatic type forced demoulding mechanism and mould thereof, comprise ventilation ejector sleeve (1), eject core pin (2), ejector sleeve snap ring (3), snap ring cover plate (4), sealing ring (5) on snap ring, vent board (6), valve (7), core pin lower seal (8), core pin tapered end screw (9), vent board guide pillar (10), upper clamping plate (11), stripper plate (12), guide pillar (13), impression bolster (14), core fixing plate (15), dynamic model backing plate (16), eject connecting rod (17), mould foot rest (18), thimble cover plate (19), thimble push plate (20), counterdie seat board (21), back-moving spring (22), release link (23), die cavity pull bar (24), stripper plate pull bar (25), resin shutter (26), die cavity mold insert (27), core mold insert (28).
2., according to claim 1 pneumatic type forced demoulding mechanism and mould thereof, described mould die carrier structure assembly comprises upper clamping plate (11), stripper plate (12), guide pillar (13), impression bolster (14), core fixing plate (15), dynamic model backing plate (16), ejects connecting rod (17), mould foot rest (18), thimble cover plate (19), thimble push plate (20), counterdie seat board (21), back-moving spring (22), release link (23), die cavity pull bar (24), stripper plate pull bar (25), resin shutter (26).
3., according to claim 1 pneumatic type forced demoulding mechanism and mould thereof, described molding assembly comprises die cavity mold insert (27), core mold insert (28).
4., according to claim 1 pneumatic type forced demoulding mechanism and mould thereof, described pneumatic pressure ejection assembly comprises ventilation ejector sleeve (1), ejects sealing ring (5), vent board (6), valve (7), core pin lower seal (8), core pin tapered end screw (9), vent board guide pillar (10) on core pin (2), ejector sleeve snap ring (3), snap ring cover plate (4), snap ring; Ventilation ejector sleeve (1) head is core, and its underpart is provided with draw-in groove, and limited by ejector sleeve snap ring (3) and be installed on snap ring cover plate (4), snap ring cover plate (4) and vent board (6) are connect by screw fastening; When the upper draw-in groove position of ventilation ejector sleeve (1) is installed on mould, sealing ring on snap ring (5) is housed, core pin lower seal (8) is equipped with in lower end; Eject core pin (2) upper end and be installed on ventilation ejector sleeve (1) core position, lower end is installed on mould dynamic model backing plate (16), compresses fastening installation by core pin tapered end screw (9); Vent board (6) offers air flue, and air flue is connected by valve (7) and extraneous source of the gas.
5., according to claim 1 pneumatic type forced demoulding mechanism and mould thereof, described mould Given-distance Parting controlling organization assembly comprises die cavity pull bar (24), stripper plate pull bar (25), resin shutter (26).
6., according to claim 1 pneumatic type forced demoulding mechanism and mould thereof, described mould basic structure is three plate injection mold lamps structure; Mold layout one mould goes out four chambeies; Pouring type is spot pouring mouth pouring type.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510410944.0A CN104908256B (en) | 2015-07-14 | 2015-07-14 | A kind of pneumatic type forced demoulding mechanism and its mould |
| CN201710876223.8A CN107650348B (en) | 2015-07-14 | 2015-07-14 | A kind of pneumatic type forced demoulding mechanism mold and its application method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510410944.0A CN104908256B (en) | 2015-07-14 | 2015-07-14 | A kind of pneumatic type forced demoulding mechanism and its mould |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710876223.8A Division CN107650348B (en) | 2015-07-14 | 2015-07-14 | A kind of pneumatic type forced demoulding mechanism mold and its application method |
Publications (2)
| Publication Number | Publication Date |
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| CN104908256A true CN104908256A (en) | 2015-09-16 |
| CN104908256B CN104908256B (en) | 2018-01-02 |
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| CN201710876223.8A Active CN107650348B (en) | 2015-07-14 | 2015-07-14 | A kind of pneumatic type forced demoulding mechanism mold and its application method |
| CN201510410944.0A Active CN104908256B (en) | 2015-07-14 | 2015-07-14 | A kind of pneumatic type forced demoulding mechanism and its mould |
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| CN201710876223.8A Active CN107650348B (en) | 2015-07-14 | 2015-07-14 | A kind of pneumatic type forced demoulding mechanism mold and its application method |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105834639A (en) * | 2016-04-28 | 2016-08-10 | 东风襄阳旅行车有限公司 | Pneumatic demoulding method of passenger car body frame from integrate welding fixture |
| CN106584819A (en) * | 2016-12-24 | 2017-04-26 | 浙江工商职业技术学院 | PVC-skin mold for blowing mold stripping method |
| CN106738492A (en) * | 2017-01-06 | 2017-05-31 | 张家港天乐橡塑科技股份有限公司 | A kind of limiter cover lid mould |
| CN106738650A (en) * | 2016-12-24 | 2017-05-31 | 浙江工商职业技术学院 | A kind of flype mould emptier injection mold |
| CN107225740A (en) * | 2017-07-05 | 2017-10-03 | 上海小糸车灯有限公司 | The lens die ejecting structure and extrusion method of a kind of inert gas auxiliary ejection |
| CN107791469A (en) * | 2016-12-24 | 2018-03-13 | 王文亮 | Flexible glue pneumatically blows out mould emptier injection mold |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110466123A (en) * | 2019-08-12 | 2019-11-19 | 格力电器（武汉）有限公司 | A kind of blowning installation, injection mold and injection molding machine for injection mold |
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| US3892512A (en) * | 1973-09-13 | 1975-07-01 | Alan V Diehl | Transfer molding apparatus with resilient pad to distribute molding pressure |
| US4364895A (en) * | 1981-07-29 | 1982-12-21 | Underwood J Larry | Fluid-assisted core-release method and apparatus |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105834639A (en) * | 2016-04-28 | 2016-08-10 | 东风襄阳旅行车有限公司 | Pneumatic demoulding method of passenger car body frame from integrate welding fixture |
| CN106584819A (en) * | 2016-12-24 | 2017-04-26 | 浙江工商职业技术学院 | PVC-skin mold for blowing mold stripping method |
| CN106738650A (en) * | 2016-12-24 | 2017-05-31 | 浙江工商职业技术学院 | A kind of flype mould emptier injection mold |
| CN107791469A (en) * | 2016-12-24 | 2018-03-13 | 王文亮 | Flexible glue pneumatically blows out mould emptier injection mold |
| CN106738492A (en) * | 2017-01-06 | 2017-05-31 | 张家港天乐橡塑科技股份有限公司 | A kind of limiter cover lid mould |
| CN107225740A (en) * | 2017-07-05 | 2017-10-03 | 上海小糸车灯有限公司 | The lens die ejecting structure and extrusion method of a kind of inert gas auxiliary ejection |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107650348A (en) | 2018-02-02 |
| CN107650348B (en) | 2019-09-27 |
| CN104908256B (en) | 2018-01-02 |
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Inventor after: Ge Xiaohong Inventor before: Yan Peng |
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Effective date of registration: 20171207 Address after: 528400 Guangdong city of Zhongshan province Henglan Town new Mao Industrial Zone six Kanglong Road No. 1 building second card Applicant after: Zhongshan Yu Hao Hardware Co., Ltd. Address before: 315600 Ningbo County, Zhejiang, Ninghai Tan Road, No. 809 Applicant before: Yan Peng |
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