CN208428605U - A kind of cavity jacking mechanism on injection mold - Google Patents
A kind of cavity jacking mechanism on injection mold Download PDFInfo
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- CN208428605U CN208428605U CN201820992302.5U CN201820992302U CN208428605U CN 208428605 U CN208428605 U CN 208428605U CN 201820992302 U CN201820992302 U CN 201820992302U CN 208428605 U CN208428605 U CN 208428605U
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- Prior art keywords
- ejector retainner
- spring
- retainner plate
- injection mold
- jacking mechanism
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Abstract
The cavity jacking mechanism that the utility model relates to a kind of on injection mold, it include: jacking block, spring, push back pin, ejector retainner plate, guide part, preceding mould mold core and soket head cap screw, wherein, the guide part, the jacking block, the push back pin are each passed through the through-hole on the ejector retainner plate and carry out installation fixation by the soket head cap screw, and the spring is set on the ejector retainner plate；Entire mechanism pushes the ejector retainner plate to complete the movement of cover half side ejection by the spring, ejects the movement that molding product completes product ejection by the jacking block.Compared with prior art, the utility model has many advantages, such as that ejecting product moulding is more complete beautiful, and ejection process is more stable.
Description
Technical field
The utility model relates to a kind of injection mold fields, more particularly, to a kind of cavity jacking on injection mold
Mechanism.
Background technique
The ejecting structure of injection mold refers to be opened after product cools and solidifies in a mold, and product can be wrapped in mold
On one side, it is necessary to be removed from the mold and, this work must be completed by ejection system.It is important in whole set of die structure
Component part resets and ejects the three parts such as guiding composition generally by ejecting.
The ejection form of product can be divided into mechanical ejection, hydraulic ejection, pneumatically eject three categories.Wherein mechanical eject is
The pushing methods such as the most frequently used ejecting mechanism, including thimble, ejector sleeve, push plate, jacking block are also wrapped according further to the difference of ejecting mechanism
Include delayed ejection, cavity jacking, the twice modes such as ejection.
Eject the fine or not quality by final decision product of quality.Therefore, the ejection of product is very important.Product top
Method is driven by plastic material and shape and appearance etc. out, and to make product, reason demoulding is not deformed, and is needed in correct position
Ejection, should be located at the place of article removal difficulty, prevent plastic deformation or damage, and Correct Analysis plastic is to the adhesion strength of die cavity
Size and its place position, targetedly select suitable stripper apparatus, and ejecting force is made to impose on plastic rigidity and maximum intensity
Position, i.e., withstand on wall side, the position of bone and column position as far as possible in the following, active area is also more as big as possible.Stay in product must
On half module (often in dynamic model) with demoulding mechanism, deviate from product using demoulding mechanism.It finally must assure that simultaneously, when mold closes
When conjunction, it will not be interfered with the other components of mold, and return to initial position, to start subsequent cycle.
Currently, since plastics can generate the stress shunk to steel part, in die sinking, product can be sticked to fixed after product is cooling
Mould, cover half have the master mold core of protrusion, are influenced by enclasping force, and product is possible to that cover half can be stayed in after die sinking.After die sinking
Product stays in dynamic model side, need to use the form of cavity jacking.In die sinking, at first cover half synchronous one ejects a distance, in this way
It can ensure that product stays in dynamic model side.Dynamic model just carries out next movement on one side after being opened completely.Again because product is semi-transparent
Bright lid, and there is higher appearance requirement on surface, surface is not allow for thimble trace, may be only available for local glue position, is not suitable for top
Needle, so can only complete to eject using preceding mould jacking block.
Utility model content
The purpose of this utility model is exactly to provide a kind of for being molded to overcome the problems of the above-mentioned prior art
Cavity jacking mechanism on mold.
The purpose of this utility model can be achieved through the following technical solutions:
A kind of cavity jacking mechanism on injection mold, comprising: jacking block, spring, push back pin, ejector retainner plate, guide part,
Preceding mould mold core and soket head cap screw, wherein the guide part, the jacking block, the push back pin are each passed through on the ejector retainner plate
Through-hole and installation fixation is carried out by the soket head cap screw, the spring is set on the ejector retainner plate；Entire mechanism by
The spring pushes the ejector retainner plate to complete the movement of cover half side ejection, ejects molding product by the jacking block and completes product
The movement of ejection.
Preferably, which further includes template, and the template includes the first template and use for the nested guide part
In the second template of overall package.
Preferably, the ejector retainner plate includes upper ejector retainner plate and lower ejector retainner plate, and the spring is set to the upper ejector retainner plate top
Portion.
Preferably, the form fit of the ejection part of the jacking block and injecting products junction.
Preferably, the guide part includes guide pillars and bushes, in the guide post insertion.
Preferably, the spring is the spring that useful life is 1,000,000 moulds time.
Preferably, it is symmetrically to open up referring to position that the through-hole, which is with ejector retainner plate midpoint, to match the suit guiding
Part, the jacking block and the push back pin.
Preferably, the spring is the spring for the product enclasping force that ejecting force is greater than preceding mould.
Preferably, the jacking block side opens up the lubrication groove for preventing dry friction.
Preferably, the preceding mould mold core is insert structure, and shape has protruding parts.
Compared with prior art, the utility model has the advantage that
(1) by the way of cavity jacking, it can be ensured that product stays in dynamic model side.
(2) cavity jacking is used for using jacking block, is not easy to leave a trace in translucent cover product, it is more aesthetically pleasing.
(3) make entire ejection process force distribution uniform balance for assisting cavity jacking using guide part, reduce and accidentally grasp
Make risk.
Detailed description of the invention
In order to further elucidate the utility model each embodiment the above and other advantages and features, will with reference to attached drawing come
The more specific description of each embodiment of the utility model is presented.It is appreciated that these attached drawings only describe the allusion quotation of the utility model
Type embodiment, therefore be not to be regarded as being restriction on its scope.Also, the relative position of various pieces shown in the accompanying drawings and
Size is exemplary, and is not to be construed as the position uniquely determined between various pieces or size relationship.
Fig. 1 is a kind of overall structure diagram of the cavity jacking mechanism on injection mold of the utility model；
Fig. 2 is a kind of configuration schematic diagram of the cavity jacking mechanism on injection mold of the utility model；
Drawing reference numeral explanation
1 is preceding mould mold core, and 2 be jacking block, and 3 be lower ejector retainner plate, and 4 be upper ejector retainner plate, and 5 be spring, and 6 be push back pin, and 7 be first
Template, 8 be guide sleeve, and 9 be guide post, and 10 be the second template, and 11 be soket head cap screw.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
It clearly and completely describes, it is clear that described embodiment is a part of the embodiment of the utility model, rather than is all implemented
Example.Based on the embodiments of the present invention, those of ordinary skill in the art institute without making creative work
The every other embodiment obtained all should belong to the range of the utility model protection.
As shown in Fig.1 and Fig.2, a kind of cavity jacking mechanism on injection mold of the utility model, comprising: jacking block 2,
Spring 5, push back pin 6, ejector retainner plate, guide part, preceding mould mold core 1, template and soket head cap screw 11；The template includes the first template
7, the second template 10, second template 10 is used for overall package, and first template 7 is described for the nested guide part
Jacking block 2, the push back pin 6, the jacking block 2 are the sharp processings according to product, are process by wire cutting and grinding machine, top
2 side of block opens up lubrication groove, prevents dry friction；The spring 5 is standard component, and the manufacture of spring 5 and purchase are easy, installation
Position is small, is simplest mechanism, but cannot bear excessive strength, and the useful life of spring 5 is 1,000,000 moulds, soon arrives
It must be replaced when up to 5 service life of spring；The push back pin 6 is standard component, and jacking block 2 is after ejecting product, apical position meeting
Higher than master mold core face many, it must be made to return to the initial position before ejection when molding next time, in case jacking block 2 breaks public affairs
Mold core, so must there is push back pin 6 to help 2 return of jacking block；The ejector retainner plate includes upper ejector retainner plate 4, lower ejector retainner plate 3, the bullet
Spring 5 is set to 4 top of upper ejector retainner plate, and the ejector retainner plate is processed by standard plate, processes shape by milling machine and grinding machine
Shape, backhaul rod aperture, spring eye and threaded hole etc. go out jacking block mounting groove by linear cutter；The guide part is standard component, by
Guide post 9 and guide sleeve 8 form, they are able to maintain the stress balance of ejector retainner plate, keep ejector retainner plate reciprocating action more reliable, flexible and steady
It is fixed；The preceding mould mold core 1 is the insert of main shaped article, by the processing such as CNC machining center, EDM spark machine and grinding machine
At shape has convex shape, causes product packet in protruding parts；The template is standard component template, by special mould bases factory
It provides；The soket head cap screw 11 is standard component, and two pieces of ejector retainner plates are locked by soket head cap screw 11, fixed jacking block 2, backhaul
Bar 6 and guide part.
2 material of jacking block is NAK80 alloy tool steel material, and chinese national standard GB corresponds to title: 12Ni3.Institute
5 material of spring stated is SWOSC-V high speed steel material, and chinese national standard GB corresponds to title: SiCrV.6 material of push back pin
For SUJ2 high speed steel material, chinese national standard GB corresponds to title: GCr15.The ejector retainner plate material is P20 alloy tool steel
Material, chinese national standard GB correspond to title: 3Cr2Mo.Guide part " guide post 9 " material is SUJ2 high speed steel material,
Chinese national standard GB corresponds to title: GCr15.Guide part " guide sleeve 8 " material is SUJ2 high speed steel material, China national
Standard GB corresponds to title: GCr15.Preceding 1 material of mould mold core is NAK80 high speed steel material, and chinese national standard GB is corresponding
Title: 12Ni3.The template material is P20 high speed steel material, and chinese national standard GB corresponds to title: 3Cr2Mo.It is described
11 material of soket head cap screw is SCM435 high speed steel material, and chinese national standard GB corresponds to title: 35CrMo35CrMoV.
By two pieces of ejector retainner plates completions of the promotion of spring 5, (lower ejector retainner plate 3 and upper ejector retainner plate 4 are by interior hexagonal spiral shell for the ejection on cover half side
11 locking of nail is assembly), the ejecting force of spring 5 obtains the product enclasping force being fully able to greater than preceding mould according to conversion, and
Jacking block 2 makes force distribution be averaged and both sides balance by guide part (guide sleeve 8 and guide post 9) during exercise.By being mounted on ejector retainner plate
On jacking block 2 eject molding product.Ejector retainner plate is resetted finally by push back pin 6.
Above description is only a specific implementation of the present invention, but the protection scope of the utility model is not limited to
In this, anyone skilled in the art within the technical scope disclosed by the utility model, can be readily occurred in various
Equivalent modifications or substitutions, these modifications or substitutions should be covered within the scope of the utility model.Therefore, this is practical
Novel protection scope should be subject to the protection scope in claims.
Claims (10)
1. a kind of cavity jacking mechanism on injection mold characterized by comprising jacking block (2), spring (5), push back pin
(6), ejector retainner plate, guide part, preceding mould mold core (1) and soket head cap screw (11), wherein the guide part, the jacking block (2), institute
It states the through-hole that push back pin (6) is each passed through on the ejector retainner plate and installation fixation, institute is carried out by the soket head cap screw (11)
Spring (5) is stated to be set on the ejector retainner plate (4)；Entire mechanism pushes the ejector retainner plate to complete cover half side by the spring (5)
The movement of ejection ejects the movement that molding product completes product ejection by the jacking block (2).
2. a kind of cavity jacking mechanism on injection mold according to claim 1, which is characterized in that the mechanism is also
Including template, the template includes for the first template (7) of the nested guide part and for the second template of overall package
(10)。
3. a kind of cavity jacking mechanism on injection mold according to claim 1, which is characterized in that the thimble
Plate includes upper ejector retainner plate (4) and lower ejector retainner plate (3), and the spring (5) is set at the top of the upper ejector retainner plate (4).
4. a kind of cavity jacking mechanism on injection mold according to claim 1, which is characterized in that the top
The ejection part of block (2) and the form fit of injecting products junction.
5. a kind of cavity jacking mechanism on injection mold according to claim 1, which is characterized in that described leads
It include guide post (9) and guide sleeve (8) to part, in the guide post (9) insertion.
6. a kind of cavity jacking mechanism on injection mold according to claim 1, which is characterized in that the bullet
Spring (5) is the spring that useful life is 1,000,000 moulds time.
7. a kind of cavity jacking mechanism on injection mold according to claim 1, which is characterized in that described is logical
It is symmetrically to open up referring to position that hole, which is with ejector retainner plate midpoint, to match the suit guide part, the jacking block (2) and the backhaul
Bar (6).
8. according to claim 1 or a kind of cavity jacking mechanism on injection mold, feature described in 4 any one exist
In the spring (5) is the spring for the product enclasping force that ejecting force is greater than preceding mould.
9. a kind of cavity jacking mechanism on injection mold according to claim 1, which is characterized in that the top
Block (2) side opens up the lubrication groove for preventing dry friction.
10. a kind of cavity jacking mechanism on injection mold according to claim 1, which is characterized in that described
Preceding mould mold core (1) is insert structure, and shape has protruding parts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820992302.5U CN208428605U (en) | 2018-06-26 | 2018-06-26 | A kind of cavity jacking mechanism on injection mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820992302.5U CN208428605U (en) | 2018-06-26 | 2018-06-26 | A kind of cavity jacking mechanism on injection mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208428605U true CN208428605U (en) | 2019-01-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820992302.5U Active CN208428605U (en) | 2018-06-26 | 2018-06-26 | A kind of cavity jacking mechanism on injection mold |
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| Country | Link |
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| CN (1) | CN208428605U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021135082A1 (en) * | 2019-12-29 | 2021-07-08 | 太仓佳锐精密模具有限公司 | Rack ejector rod for diode packaging |
-
2018
- 2018-06-26 CN CN201820992302.5U patent/CN208428605U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021135082A1 (en) * | 2019-12-29 | 2021-07-08 | 太仓佳锐精密模具有限公司 | Rack ejector rod for diode packaging |
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