CN205915622U - Injection mold with secondary ejection mechanism - Google Patents
Injection mold with secondary ejection mechanism Download PDFInfo
- Publication number
- CN205915622U CN205915622U CN201620721352.0U CN201620721352U CN205915622U CN 205915622 U CN205915622 U CN 205915622U CN 201620721352 U CN201620721352 U CN 201620721352U CN 205915622 U CN205915622 U CN 205915622U
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- CN
- China
- Prior art keywords
- plate
- thimble
- jacking block
- mould
- needle
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model provides an injection mold with secondary ejection mechanism, this mould include movable mould and cover half, and the cover half includes fixed mould panel, hot runner plate and fixed die plate, the movable mould includes movable mould bottom plate, ejection bottom plate, ejecting pin face plate and movable mould board, last oblique top and the spacing part of being provided with of ejecting pin face plate, last the hinging of ejection bottom plate has the secondary kicking block, and the both sides of secondary kicking block are provided with secondary thimble and spacing needle respectively, and spacing needle fastens on the movable mould board. The utility model discloses only adopt two liftout plates to realize the oblique top and the ejecting function of secondary of moulding the piece promptly, reduced ejection mechanism's installation space, simplified mould structure, reduced the mould cost of manufacture by a wide margin. And, carry out nimble adjustment owing to can be based on the particular case that moulds distance and the distance between spacing parts and the movable mould board between to spacing needle and secondary kicking block, the utility model discloses a quadratic term goes out the mould and has still that the ejection stroke is adjustable, strong adaptability's advantage.
Description
Technical field
This utility model belongs to injection mold technical field and in particular to a kind of injection mould with secondary ejecting mechanism
Tool, this mould is applied to the injecting products that processing includes multiple back-off positions.
Background technology
The effect of mold ejection mechanism is to eject the product after molding from mold cavity, so that plastic takes off automatically
Mould.Conventional mold ejection mechanism includes hydraulic pressure, pneumatic, mechanical etc. several, and wherein mechanical ejecting mechanism is should in injection mold
With a kind of most commonly used pushing method.Generally, once ejection action can complete the demoulding of plastic, but works as product
Structure more special, after once ejecting, plastic can not completely disengage from and still sandwiched part ejector member in die cavity or product
When, shaped article can not from mould Automatic-falling, be at this time accomplished by being further added by once ejection action, this for completing two
The design of secondary ejection action, is called Double-ejection.Conventional design generally requires and just enables Double-ejection using four pieces of ejector retainner plates
Effect, is shown in Fig. 2, and common secondary ejecting mechanism generally includes secondary panel 1', secondary push plate 2', a panel 3' and a push pedal
4'；Thimble 6' is fastened with push pedal and a panel, secondary push plate and secondary panel tighten to be connected and be connected to secondary top
Pin 5'；During ejection plastic, four pieces of ejector retainner plates drives first under the driving of mould top roller 7' and ejector spring 8' thimble with
Secondary thimble synchronization ejecting product, when a thimble completes an ejection stroke being pre-designed, a panel and once pushing away
Plate stop motion in the presence of stop pull bar 9', secondary panel and secondary push plate drive secondary thimble to continue ejecting product, directly
To the Double-ejection stroke of complete design, plastic is ejected completely.
Existing secondary ejection mold has that liftout plate number is more, complex structure, installing space are big, manufacturing cost is higher
Problem, and, when plastic includes being machined with the deep position of bone in the larger relatively depth in more multiple back-off positions or back-off position or back-off
When, generally require the demoulding just enabling product by the way of oblique top is with reference to Double-ejection.Otherwise, it is possible to meeting during ejection
Occur eating oblique top, cause product ejection bad, affect yields.
Utility model content
For the problems referred to above, this utility model provides a kind of injection mold with secondary ejecting mechanism, and this mould leads to
Cross and secondary thimble, position-limited needle and secondary jacking block are arranged on thimble panel and Ejector Retainer Plate, realize only with two pieces of liftout plates
Back-off class product oblique top and Double-ejection function, ejection effect is got well and is had that structure is simple, installing space is little, low manufacture cost
Deng remarkable advantage.
This utility model is to realize the technical scheme that its technique effect adopts to be: a kind of note with secondary ejecting mechanism
Mould, including dynamic model and cover half, cover half includes cover half panel, hot runner manifold and the solid plate being fastenedly connected successively；Dynamic model bag
Include moving clamping plate, ejector retainner plate and moving platen, moving platen is fixed on moving clamping plate by square iron and in moving platen and moving clamping plate
Between formed ejector retainner plate accommodation space；Ejector retainner plate is arranged in ejector retainner plate accommodation space；Oblique top and spacing is provided with ejector retainner plate
Part；Be provided with moving clamping plate for drive ejector retainner plate oil cylinder it is characterised in that: dynamic model also includes secondary ejecting mechanism,
This secondary ejecting mechanism includes position-limited needle, secondary jacking block and secondary thimble；Ejector retainner plate offers top near the side of moving clamping plate
Block mounting groove, secondary jacking block is hinged in this jacking block mounting groove；The side that secondary jacking block corresponds to secondary thimble is provided with thimble
Groove, one end of secondary thimble is arranged in thimble groove；Position-limited needle is fastenedly connected on moving platen, and ejector retainner plate corresponds to position-limited needle
Position be provided with position-limited needle through hole, position-limited needle can pass through position-limited needle through hole extrude secondary jacking block；Position-limited needle and secondary thimble divide
Not Wei Yu between secondary jacking block and jacking block mounting groove pin joint both sides.
Further, in the injection mold with secondary ejecting mechanism that this utility model provides, ejector retainner plate includes thimble
Base plate and thimble panel；Ejector Retainer Plate and thimble panel use fastened by screw integral；Oblique top is fixed on Ejector Retainer Plate and wears
Cross thimble panel；Limiting component is fixed on thimble panel；Jacking block mounting groove is arranged on Ejector Retainer Plate near the one of moving clamping plate
Side.
Further, in the injection mold with secondary ejecting mechanism that this utility model provides, for driving ejector retainner plate
Oil cylinder one have four, four oil cylinders are arranged on the both sides of moving clamping plate two-by-two.
Further, in the injection mold with secondary ejecting mechanism that this utility model provides, limiting component and dynamic model
The distance between plate is more than the distance between position-limited needle and secondary jacking block.
This utility model technique effect beneficial compared to existing technology: after point mould, hydraulic oil cylinder driving Ejector Retainer Plate and thimble face
Plate moves to moving platen, and oblique top is synchronized with the movement under the drive of Ejector Retainer Plate and thimble panel, and meanwhile, position-limited needle is gradually deeply
Position-limited needle through hole on thimble panel, oblique top starts to eject plastic, and ejection for the first time starts；Continuous increasing with oblique top height
Plus, position-limited needle moves closer to secondary jacking block, and when position-limited needle touches secondary jacking block, secondary jacking block begins around itself and thimble bottom
Jointed shaft between plate rotates, and one end that secondary jacking block is used for connecting secondary thimble is gradually upturned, secondary thimble
Start to eject plastic, second ejection starts, now once eject synchronous carrying out；Ejector Retainer Plate and thimble panel continue to dynamic model
Plate moves, until limiting component is resisted against on moving platen, Double-ejection completes, and plastic comes off automatically from mould.During reset, top
Pin base plate and thimble panel move to moving clamping plate under the driving of oil cylinder, and secondary jacking block and secondary thimble are in the work of moving clamping plate
With under return to normal.From described above, this utility model achieves the oblique top and two of plastic only with two pieces of liftout plates
Secondary ejecting function, reduces the installing space of ejecting mechanism, simplifies mould structure, reduces Mold Making cost.And, by
In can be according to the concrete condition of plastic between the distance between position-limited needle and secondary jacking block and limiting component and moving platen
Distance be adjusted flexibly, it is adjustable, adaptable that secondary ejection mold disclosed in this utility model also has ejection stroke
Advantage.
Below in conjunction with Figure of description and specific embodiment, secondary ejection mold disclosed in this utility model is carried out in detail
Introduce.
Brief description
Fig. 1: the schematic cross-section of Double-ejection injection mold in preferred embodiment；
A kind of Fig. 2: secondary ejection mold in prior art；
Wherein:
1- cover half part, 2- dynamic model part；
11- cover half panel, 12- hot runner manifold, 13- solid plate；
21- moving clamping plate, 22- Ejector Retainer Plate, 23- thimble panel, 24- moving platen, 25- oil cylinder, 26- oblique top, 27- is spacing
Part, 29- position-limited needle, bis- thimbles of 210-, bis- jacking blocks of 211-.
Specific embodiment
Fig. 1 show the schematic cross-section of the injection mold for producing back-off class product of this utility model offer, reads
Fig. 1 understands, this injection mold includes cover half part 1 and dynamic model part 2；Cover half part 1 includes cover half panel 11, hot runner manifold 12
And solid plate 13, between cover half panel 11 and hot runner manifold 12, it is between hot runner manifold 12 and solid plate 13 and is fastenedly connected, fixed
Die face plate 11 is used for cover half 1 is installed to the fixed base plate of injection machine, and hot runner manifold 12 is used for coordinating solid plate 13 to form mould
The running gate system of tool, solid plate 13 is used for the cast die cavity coordinating dynamic model to form injecting products.Dynamic model part 2 includes moving clamping plate
21st, Ejector Retainer Plate 22, thimble panel 23 and moving platen 24；Moving platen 24 is fastened on moving clamping plate 21 by square iron, moving platen
It is formed with the ejector retainner plate accommodation space for installing Ejector Retainer Plate 22 and thimble panel 23 between 24 and moving clamping plate 21；Thimble bottom
Plate 22 and thimble panel 23 are arranged in the ejector retainner plate accommodation space between moving platen and moving clamping plate, Ejector Retainer Plate 22 and thimble
Fastened by screw is adopted to connect between panel 23.Oblique top 26 and limiting component 27 are provided with thimble panel 23, oblique top 26 is used for pushing up
The one end going out plastic acts against in the back-off position of plastic in die cavity, and limiting component 27 is used for limiting thimble panel 23 and moving platen
Degree of closeness between 24, namely limit the height of ejection.The both sides of moving clamping plate 21 are separately installed with two and are served only for driving top
The oil cylinder 25 of pin base plate 22 and thimble panel 23, during ejecting product, oil cylinder 25 drives Ejector Retainer Plate 22 and thimble panel 23 to drive
Thimble ejects to the outside of die cavity.
The secondary ejecting mechanism of this mould includes secondary jacking block 211, secondary thimble 210 and position-limited needle 29.Ejector Retainer Plate 22
On the side of moving clamping plate 21 is provided with jacking block mounting groove, secondary jacking block 211 is hinged in this jacking block mounting groove；Position-limited needle
29 and secondary thimble 210 respectively be located between secondary jacking block 211 and jacking block mounting groove pin joint both sides.Position-limited needle 29 fastening is even
It is connected on moving platen 24, the position that thimble panel 23 corresponds to position-limited needle 29 offers position-limited needle through hole, ejects the plastic time limit
Position pin 29 can extrude secondary jacking block 211 by this position-limited needle through hole and promote secondary jacking block 211 around it and Ejector Retainer Plate 22 between
Jointed shaft rotate.One end that secondary thimble 210 is used for ejecting shaped article acts against in the back-off position of plastic, secondary
The other end of thimble 210 is connected on secondary jacking block 211；One end that secondary jacking block 211 is used for connecting secondary thimble 210 is provided with
Thimble groove, one end that secondary thimble 210 is used for connecting secondary jacking block is arranged in this thimble groove, and forms card and thimble groove between
Button connects；During reset, secondary thimble 210 can return to normal (matched moulds state) under the pulling of secondary jacking block 211.
After dividing mould, hydraulic oil cylinder driving Ejector Retainer Plate 22 and thimble panel 23 move to moving platen 24, and oblique top 26 is in Ejector Retainer Plate
22 and thimble panel 23 drive under be synchronized with the movement, meanwhile, position-limited needle 19 gradually gos deep into position-limited needle on thimble panel 23 and leads to
Hole, oblique top 26 starts to eject plastic, namely ejection starts for the first time；With being continuously increased of oblique top height, position-limited needle 29 is gradually
Close to secondary jacking block 211, when position-limited needle 29 touches secondary jacking block 211, secondary jacking block 211 begins around itself and Ejector Retainer Plate
Jointed shaft between 22 rotates, and one end that secondary jacking block 211 is used for connecting secondary thimble 210 is gradually upturned, and two
Secondary thimble 210 starts to eject plastic, namely second ejection starts, and now once ejects synchronous carrying out；Ejector Retainer Plate 22 and top
Dial plate 23 continues to move to moving platen 24, until limiting component 27 is resisted against on moving platen 24, now Double-ejection completes, and moulds
Part Automatic-falling from mould.During reset, Ejector Retainer Plate 22 and thimble panel 23 are under the driving of oil cylinder 25 to moving clamping plate 21
Motion, secondary jacking block 211 and secondary thimble 210 return to normal in the presence of moving clamping plate 21, and mould enters next injection
Circulation.
As seen from the above description, in the present embodiment, the stroke ejecting twice or time depend on limiting component 27 and move
Difference l-s between the distance between template 24 l and the distance between position-limited needle 29 and secondary jacking block 211 s；Difference is bigger,
The time of Double-ejection effect is longer or stroke is longer；Difference is less, and the time of Double-ejection effect is shorter or stroke is shorter.Can
With the concrete condition according to injecting products, flexibly set the once stroke of ejection and Double-ejection or action time.
Claims (4)
1. a kind of injection mold with secondary ejecting mechanism, including dynamic model and cover half, described cover half includes being fastenedly connected successively
Cover half panel, hot runner manifold and solid plate；Described dynamic model includes moving clamping plate, ejector retainner plate and moving platen, and described moving platen leads to
Cross square iron to be fixed on moving clamping plate and form ejector retainner plate accommodation space between moving platen and moving clamping plate；Described ejector retainner plate peace
It is contained in described ejector retainner plate accommodation space；Oblique top and limiting component are provided with described ejector retainner plate；Arrange on described moving clamping plate
Have for driving the oil cylinder of described ejector retainner plate it is characterised in that: described dynamic model also includes secondary ejecting mechanism, described Double-ejection
Mechanism includes position-limited needle, secondary jacking block and secondary thimble；Described ejector retainner plate offers jacking block near the side of moving clamping plate and installs
Groove, described secondary jacking block is hinged in this jacking block mounting groove；The side that described secondary jacking block corresponds to secondary thimble is provided with top
Needle tray, one end of described secondary thimble is arranged in thimble groove；Described position-limited needle is fastenedly connected on described moving platen, described top
The position corresponding to position-limited needle on needle plate is provided with position-limited needle through hole, and it is described that described position-limited needle can pass through the extruding of this position-limited needle through hole
Secondary jacking block；Described position-limited needle and secondary thimble are located at pin joint between described secondary jacking block and described jacking block mounting groove respectively
Both sides.
2. the injection mold with secondary ejecting mechanism according to claim 1 it is characterised in that: described ejector retainner plate includes
Ejector Retainer Plate and thimble panel；Described Ejector Retainer Plate and thimble panel use fastened by screw integral；Described oblique top is fixed on institute
State on Ejector Retainer Plate and pass through described thimble panel；Described limiting component is fixed on described thimble panel；Described jacking block is installed
Groove is arranged on the side near described moving clamping plate for the described Ejector Retainer Plate.
3. the injection mold with secondary ejecting mechanism according to claim 1 it is characterised in that: described spacing after matched moulds
The distance between part and described moving platen are more than the distance between described position-limited needle and described secondary jacking block.
4. the injection mold with secondary ejecting mechanism according to claim 1 it is characterised in that: described for drive top
The oil cylinder one of needle plate has four, and four oil cylinders are arranged on the both sides of described moving clamping plate two-by-two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620721352.0U CN205915622U (en) | 2016-07-08 | 2016-07-08 | Injection mold with secondary ejection mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620721352.0U CN205915622U (en) | 2016-07-08 | 2016-07-08 | Injection mold with secondary ejection mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205915622U true CN205915622U (en) | 2017-02-01 |
Family
ID=57875868
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620721352.0U Expired - Fee Related CN205915622U (en) | 2016-07-08 | 2016-07-08 | Injection mold with secondary ejection mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205915622U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018205448A1 (en) * | 2017-05-10 | 2018-11-15 | 苏州艾特斯环保材料有限公司 | Mold stripping device of environment-friendly injection mold |
| CN114986756A (en) * | 2022-05-24 | 2022-09-02 | 欧唐科技（深圳）有限公司 | Secondary ejection structure of ultra-large mold |
-
2016
- 2016-07-08 CN CN201620721352.0U patent/CN205915622U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018205448A1 (en) * | 2017-05-10 | 2018-11-15 | 苏州艾特斯环保材料有限公司 | Mold stripping device of environment-friendly injection mold |
| CN114986756A (en) * | 2022-05-24 | 2022-09-02 | 欧唐科技（深圳）有限公司 | Secondary ejection structure of ultra-large mold |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170201 Termination date: 20180708 |