CN106346725A - Injection mold and ejecting mechanism thereof - Google Patents
Injection mold and ejecting mechanism thereof Download PDFInfo
- Publication number
- CN106346725A CN106346725A CN201610949194.9A CN201610949194A CN106346725A CN 106346725 A CN106346725 A CN 106346725A CN 201610949194 A CN201610949194 A CN 201610949194A CN 106346725 A CN106346725 A CN 106346725A
- Authority
- CN
- China
- Prior art keywords
- pushing block
- push rod
- ejecting mechanism
- injection mold
- ejecting
- 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.)
- Pending
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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
- B29C45/4005—Ejector constructions; Ejector operating mechanisms
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/712—Containers; Packaging elements or accessories, Packages
- B29L2031/7154—Barrels, drums, tuns, vats
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention discloses an ejecting mechanism for an injection mold. The ejecting mechanism comprises a pushing block, a pushing rod, an injection molding machine ejecting rod, a lower template and a lower inner mold, wherein the pushing block is connected with the pushing rod; the lower inner mold is fastened on the lower template; the pushing block movably sleeves on the lower inner mold; the pushing rod is connected with the injection molding machine ejecting rod. The invention also discloses the injection mold which comprises the ejecting mechanism. The pushing rod connected with the injection molding machine ejecting rod, instead of conventional structure of ejecting plate and ejecting stroke, is directly applied to the injection mold and the ejecting mechanism thereof according to the invention; in a de-molding process, the pushing rod is driven by the injection molding machine ejecting rod to move; the pushing block on the lower inner mold is moved under the driving of the pushing rod, so that the deep barrel product on the lower inner mold can be ejected out; the ejecting plate of the mold is avoided; the height of the mold is reduced; a first level injection molding machine production cabinet can be reduced; the efficient production of the mold can be realized; the structure is simple; the de-molding operation is simple; the pushing block is sleeved on the lower inner mold; the pushing block is used for uniformly applying the ejecting force along the circumferential direction of the deep barrel product and can prevent the deep barrel product from deforming.
Description
Technical field
The invention belongs to injection molding technology field is and in particular to a kind of ejecting mechanism of injection mold and include this ejection
The injection mold of mechanism.
Background technology
It is molded into the mould of moldeed depth bucket product, be especially molded the mould of large-sized circular non-opaque depth bucket product, for protecting
The outward appearance of card injecting products, prevent deformation it is impossible to the centrally disposed ejecting mechanism of corresponding product, and usual corresponding product periphery setting
Pushing block, pushing block connects one end of push rod, and the other end of push rod is fixed on ejector retainner plate, when producing, is pushed away by injection machine push rod
Dynamic ejector retainner plate, ejector retainner plate promotes pushing block by push rod, completes product ejection.
But this block-pushing ejecting mechanism, because product is deep barrel-shaped, product is higher, needs very big ejection stroke, raw
Produce efficiency low, die shape needs design very high, need bigger one-level injection machine board could meet production during production, mould becomes
This height.
Content of the invention
A technical problem to be solved by this invention is to provide a kind of minimizing mold height, reduces the life of one-level injection machine
Produce board, enable injection mold and its ejecting mechanism that mould efficiently produces.
For solving above-mentioned technical problem, the ejecting mechanism of injection mold of the present invention the technical scheme is that
The ejecting mechanism of injection mold, including pushing block, push rod and injection machine push rod, described pushing block is connected with described push rod；
Also include lower template and the core insert being anchored in described lower template, described pushing block are movably set on described core insert, described
Push rod is connected with described injection machine push rod.
Further, described push rod is multiple, and the plurality of push rod is uniformly distributed in the outside of described core insert.
Further, described push rod and described pushing block are detachably connected.
Further, described core insert is provided with the first limiting stand of the return stroke for limiting described pushing block.
Further, described pushing block and the medial wall of described core insert cooperation are ejecting on direction gradually to described core insert
Centerline dip, described pushing block and described core insert away from one end tight fit of product die cavity, the medial wall of described pushing block with
Described core insert is used for constituting and is provided with gap between the lateral wall of product die cavity.
Further, the centrage of described push rod is overlapped with the centrage of described injection machine push rod.
Further, described pushing block is additionally provided with multiple gag lever posts, one end away from described pushing block of described gag lever post sets
There is the second limiting stand, described lower template is provided with for stopping that described second limiting stand can limit the ejection row of described pushing block
The chuck of journey.
Further, described lower template is provided with guide pad, and described gag lever post is slidably matched with described guide pad.
Further, described injection mold includes lower code mould fixed plate, and when described ejecting mechanism resets, described push rod is remote
It is located in described lower code mould fixed plate from one end of described pushing block.
For achieving the above object, the present invention also provides a kind of injection mold, and this injection mold includes above-mentioned injection mold
Ejecting mechanism.
Injection mold and its having the beneficial effects that of ejecting mechanism that the present invention provides: this ejecting mechanism is without conventional top
Needle plate adds the structure of ejection stroke, is directly attached on injection machine push rod with push rod, and during the demoulding, injection machine push rod drives push rod to move
Dynamic, push rod promotes the pushing block on core insert mobile and ejects the deep bucket product on core insert, has saved the ejector retainner plate of mould, has decreased
The height of mould, reduces one-level injection machine again and produces board, enable mould and efficiently produce, structure is simple, stripping operation is easy,
Pushing block is sheathed on core insert, and pushing block uniformly applies ejecting force in the circumference of deep bucket product, prevents deep bucket deformation of products.
Brief description
Fig. 1 is the planar structure schematic diagram of the ejecting mechanism of injection mold provided in an embodiment of the present invention；
Fig. 2 is the a-a generalized section of Fig. 1；
Fig. 3 is the b-b generalized section of Fig. 1；
Fig. 4 is the c-c generalized section of Fig. 1；
Fig. 5 is the schematic perspective view of the structure of setting on the core insert of Fig. 1；
Wherein: 1- pushing block, 2- push rod, 3- injection machine push rod, 4- lower template, 5- core insert, 501- first limiting stand, 6- limit
Code mould fixed plate, 9- product, 10 chuck under position bar, 601- second limiting stand, 7- guide pad, 8-.
Specific embodiment
In order that the objects, technical solutions and advantages of the present invention become more apparent, below in conjunction with drawings and Examples, right
The present invention is further elaborated.It should be appreciated that specific embodiment described herein is only in order to explain the present invention, not
For limiting the present invention.
As Figure 1-5, the ejecting mechanism of injection mold provided in an embodiment of the present invention, including pushing block 1, push rod 2 and note
Molding machine push rod 3, pushing block 1 is connected with push rod 2；Also include lower template 4 and the core insert 5 being anchored in lower template 4, pushing block 1 activity
It is sheathed on core insert 5, push rod 2 is connected with injection machine push rod 3.This ejecting mechanism adds ejection stroke without conventional ejector retainner plate
Structure, is directly attached on injection machine push rod 3 with push rod 2, and during the demoulding, injection machine push rod 3 drives push rod 2 mobile, and push rod 2 promotes
The product 9 (particularly deep bucket product) that pushing block 1 on core insert 5 moves and ejects on core insert 5, has saved the ejector retainner plate of mould,
Decrease the height of mould, reduce one-level injection machine again and produce board, enable mould and efficiently produce, structure is simple, demoulding behaviour
Make easy, pushing block is sheathed on core insert, pushing block uniformly applies ejecting force in the circumference of deep bucket product, prevent deep bucket product from becoming
Shape.
Further, in an embodiment of the present invention, push rod 2 is multiple, and the plurality of push rod 2 is uniformly distributed in core insert
5 outside.The plurality of push rod, around the equally distributed structure of core insert 5, makes the thrust that pushing block is subject in each orientation, and stress is put down
Weighing apparatus, it is ensured that ejection smooth operation is carried out, prevents clamping stagnation.Preferably push rod 2 is 4；Structure is simple, can be synchronous in four orientation
Promote pushing block it is ensured that ejection smooth operation is carried out, 4 push rod dispersive stresses, reduce push rod stress, anti-throw-out lever deformation.
Further, in an embodiment of the present invention, push rod 2 and pushing block 1 are detachably connected；Push rod 2 and pushing block 1 select can
The mode that dismounting connects is fixed, and is easy to assembling, dismounting and safeguards.Specifically, push rod 2 and pushing block 1 can by screw, pin etc. even
Fitting is detachably connected, and connects reliable, installation, convenient disassembly.
Further, in an embodiment of the present invention, core insert 5 is provided with of the return stroke for limiting pushing block 1
One limiting stand 501.When ejecting mechanism resets, pushing block 1 is supported with the first limiting stand 501, and the first limiting stand 501 can limit pushing block
1 return stroke, additionally it is possible to support pushing block 1, prevents ejecting mechanism from resetting moment push rod, injection machine push rod because by extreme shock
Deformation even damages additionally it is possible to reduce push rod, pressure that injection machine push rod bears in mold-closing injection is it is ensured that push rod, injection machine
Push rod uses indeformable for a long time.Preferably, the first limiting stand 501 is annular boss, can support pushing block it is ensured that pushing away in circumference
Bar, injection machine push rod use indeformable for a long time.
Further, in an embodiment of the present invention, the medial wall of pushing block 1 and core insert 5 cooperation on ejection direction by
Gradually to the centerline dip of core insert 5, and the inclined degree of the medial wall of pushing block 1 is used for constituting product die cavity more than core insert 5
Lateral wall inclined degree.In the demoulding, near one end of die cavity against product 9, especially deep bucket product, in push rod for pushing block
Drive under the deep bucket product of pushing block ejection, during the deep bucket product of ejection, the inclined degree of the medial wall of pushing block 1 is more than lower interior
Mould 5 is used for constituting the inclined degree of the lateral wall of product die cavity, and when can reduce the demoulding, pushing block and the lateral wall of core insert rubs
Wipe, reduce ejection resistance, prevent from scratching the lateral wall of core insert.
Further, in an embodiment of the present invention, the medial wall of pushing block 1 and core insert 5 cooperation on ejection direction by
Gradually to the centerline dip of core insert 5, pushing block 1 and core insert 5 are away from one end tight fit of product die cavity, the medial wall of pushing block 1
And core insert 5 is used for constituting and is provided with gap between the lateral wall of product die cavity；Ensure when ejecting mechanism resets, core insert 5 with
Pushing block 1 tight fit, the lateral wall of core insert 5 can support pushing block 1, rapid dispersion stress, in ejection operation, pushing block 1 interior
Side wall and core insert 5 are used for constituting and are provided with gap between the lateral wall of product die cavity, anti-thrust block with constitute under product die cavity
Friction between internal model 5 lateral wall, fast demoulding, prevent from scratching the lateral wall of core insert.
Further, in an embodiment of the present invention, the centrage of push rod 2 is overlapped with the centrage of injection machine push rod 3；Protect
The card steady ejecting product of ejecting mechanism 9, smooth reset, prevent clamping stagnation.
Further, in an embodiment of the present invention, pushing block is additionally provided with multiple gag lever posts, gag lever post away from pushing block
One end is provided with the second limiting stand, and lower template is provided with for stopping that the second limiting stand can limit the card of the ejection stroke of pushing block
Platform 10.Multiple gag lever posts 6 are additionally provided with pushing block 1, lower template 4 is provided with guide pad 7, gag lever post 6 is slidably matched with guide pad 7,
One end away from pushing block 1 of gag lever post 6 is provided with the second limiting stand 601 of the ejection stroke for limiting pushing block 1.Pushing block 1 is mobile
During to maximum ejection stroke, the second limiting stand 601 is supported with chuck 10 and is limited the movement of pushing block 1, and multiple gag lever posts 6 push away
Block it is ensured that pushing block stress equalization it is ensured that ejection action, homing action automatic, smooth carry out, prevent clamping stagnation.Preferably pushing block 1 and limit
Position bar 6 is detachably connected (as screw connection), is easy to produce, installs, dismantles, safeguarding.
Further, in an embodiment of the present invention, lower template 4 is provided with guide pad 7, and gag lever post 6 is slided with guide pad 7
Cooperation.Guide pad 7 play to gag lever post 6 guiding effect, prevent gag lever post from rocking, pushing block stress equalization it is ensured that ejection action,
Homing action is automatic, smooth carry out, prevent clamping stagnation.
Further, in an embodiment of the present invention, injection mold includes lower code mould fixed plate 8, resets in ejecting mechanism
When push rod 2 away from pushing block 1 one end be located at lower code mould fixed plate 8 in.Facilitate assembling on injection machine for the mould, facilitate push rod 2
With the fixation of injection machine push rod 3, push rod away from one end of pushing block stroke limiting in lower code mould fixed plate 8 and lower template, have
Beneficial to minimizing mold height.
Further, in an embodiment of the present invention, injection machine push rod 3 is threadeded with push rod 2；Structure is simple, connects
Reliable, it is easy to assembling, dismounting and safeguard.
Further, in an embodiment of the present invention, when ejecting mechanism resets, pushing block 1 is located in lower template 4.Pushing block 1
In lower template 4, the hardened structure of upper mould need not be changed, only structure according to the present invention need to be arranged on lower template,
Reduce the cost that mould is regenerated.Preferably when ejecting mechanism resets, pushing block 1 is located in lower template 4, and push rod 2 also is located at lower template 4
Interior, if any arranging aforementioned lower code mould fixed plate 8, then the two ends of push rod 2 are respectively positioned in lower template 4, or one end of push rod 2 is located at down
In template 4, the other end is located in lower code mould fixed plate 8.By the stroke of push rod, in lower template, (or lower template and lower code mould are solid
In fixed board 8), mold height can be reduced, reduce one-level injection machine and produce board, reduces cost, improve ejection, reset efficiency,
Shorten the production cycle, improve production efficiency.
Injection mold provided in an embodiment of the present invention, including the ejecting mechanism of aforesaid injection mold.Reduce mold height,
Reduce one-level injection machine and produce board, reduces cost, improve ejection, reset efficiency, shorten the production cycle, improve production efficiency.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all essences in the present invention
Any modification, equivalent and improvement made within god and principle etc., should be included within the scope of the present invention.
Claims (10)
1. the ejecting mechanism of injection mold, including pushing block, push rod and injection machine push rod, described pushing block is connected with described push rod, its
Be characterised by: also include lower template and the core insert that is anchored in described lower template, described pushing block be movably set in described lower interior
On mould, described push rod is connected with described injection machine push rod.
2. injection mold according to claim 1 ejecting mechanism it is characterised in that: described push rod is multiple, and this is many
Individual push rod is uniformly distributed in the outside of described core insert.
3. injection mold according to claim 1 ejecting mechanism it is characterised in that: described push rod is removable with described pushing block
Unload connection.
4. injection mold according to claim 1 ejecting mechanism it is characterised in that: described core insert is provided with for limiting
Make the first limiting stand of the return stroke of described pushing block.
5. injection mold according to claim 1 ejecting mechanism it is characterised in that: described pushing block is joined with described core insert
Gradually to the centerline dip of described core insert on ejection direction, described pushing block and described core insert are away from product for the medial wall closed
One end tight fit of product die cavity, the medial wall of described pushing block and described core insert are used for constituting and set between the lateral wall of product die cavity
There is gap.
6. injection mold according to claim 1 ejecting mechanism it is characterised in that: the centrage of described push rod with described
The centrage of injection machine push rod overlaps.
7. the injection mold according to any one of claim 1-6 ejecting mechanism it is characterised in that: on described pushing block also
It is provided with multiple gag lever posts, one end away from described pushing block of described gag lever post is provided with the second limiting stand, and described lower template is provided with
For stopping that described second limiting stand can limit the chuck of the ejection stroke of described pushing block.
8. injection mold according to claim 7 ejecting mechanism it is characterised in that: described lower template is provided with guiding
Block, described gag lever post is slidably matched with described guide pad.
9. injection mold according to claim 1 ejecting mechanism it is characterised in that: described injection mold includes lower code mould
Fixed plate, when described ejecting mechanism resets, described push rod is located in described lower code mould fixed plate away from one end of described pushing block.
10. injection mold it is characterised in that: include optional one of claim 1-9 described in injection mold ejecting mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610949194.9A CN106346725A (en) | 2016-10-26 | 2016-10-26 | Injection mold and ejecting mechanism thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610949194.9A CN106346725A (en) | 2016-10-26 | 2016-10-26 | Injection mold and ejecting mechanism thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106346725A true CN106346725A (en) | 2017-01-25 |
Family
ID=57863609
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610949194.9A Pending CN106346725A (en) | 2016-10-26 | 2016-10-26 | Injection mold and ejecting mechanism thereof |
Country Status (1)
| Country | Link |
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| CN (1) | CN106346725A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117183231A (en) * | 2023-09-14 | 2023-12-08 | 无锡研中科技有限公司 | Plastic mold with rapid cooling function |
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| CN104210073A (en) * | 2014-09-26 | 2014-12-17 | 天津三星电子有限公司 | Ejector-plate-free demolding structure mold |
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2016
- 2016-10-26 CN CN201610949194.9A patent/CN106346725A/en active Pending
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|---|---|---|---|---|
| CN202462818U (en) * | 2012-02-22 | 2012-10-03 | 张宗保 | Angle lifter mold-stripping mechanism without ejector pin plate |
| CN203221635U (en) * | 2012-11-30 | 2013-10-02 | 宁波旭升机械有限公司 | Fixed die ejection mechanism of die |
| CN104210073A (en) * | 2014-09-26 | 2014-12-17 | 天津三星电子有限公司 | Ejector-plate-free demolding structure mold |
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| CN117183231A (en) * | 2023-09-14 | 2023-12-08 | 无锡研中科技有限公司 | Plastic mold with rapid cooling function |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170125 |
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