CN205522325U - Injection mold's secondary mechanism of loosing core - Google Patents
Injection mold's secondary mechanism of loosing core Download PDFInfo
- Publication number
- CN205522325U CN205522325U CN201620281657.4U CN201620281657U CN205522325U CN 205522325 U CN205522325 U CN 205522325U CN 201620281657 U CN201620281657 U CN 201620281657U CN 205522325 U CN205522325 U CN 205522325U
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- Prior art keywords
- core
- mold insert
- loosing
- loose
- assembly
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Abstract
The utility model discloses an injection mold's secondary mechanism of loosing core, including the straight guide post of level, first pulling core assembly and back pulling core assembly, the pulling core assembly of elder generation loose core including earlier mold insert and fixed first sliding block of loosing core earlier the mold insert, loose core after back pulling core assembly includes the mold insert with fix after the loose core back sliding block of mold insert, the utility model discloses injection mold's secondary mechanism of loosing core, when loosing core for the first time, the cylinder drives first pulling core assembly earlier and retreats, make loose core earlier mold insert and part break away from, then when loosing core for the second time, the cylinder drives first pulling core assembly again and retreats simultaneously with back pulling core assembly, make back pulling core assembly break away from with the part, the mold insert is deviate from from the part owing to loose core earlier when loosing core for the second time, consequently, the back -off of part pipe end portion can inwards produce certain elastic deformation when loosing core for the second time, thereby can realize the smooth drawing of patterns of loosing core for the second time, the structure can make tubular part's surface drawing of patterns vestige, product appearance high quality and the adoption is originally loosed core.
Description
Technical field
This utility model relates to a kind of mould, particularly to a kind of injection mold.
Background technology
For the tubular member that some appearance requirements are higher, it requires can not exist on tube wall lateral surface release mark.
But in prior art, producing the injection mold of tubular member, it typically uses the die cavity of upper die and lower die composition product, and when die sinking, it will necessarily leave die sinking vestige on the die joint of product, and then product appearance quality can be caused not reach design requirement.And tube end is had to the tubular member of back-off (back-off is the annular protrusion structure on vial periphery), use an existing core-pulling mechanism can not realize the demoulding.
Utility model content
In view of this, the purpose of this utility model is to provide the secondary core-pulling mechanism of a kind of injection mold, release mark can be left on the outer surface of tubular member with the existing injection mold of solution, and the tubular member using existing core-pulling mechanism production tube end to have back-off can not realize the technical problem of the demoulding.
The secondary core-pulling mechanism of this utility model injection mold, including being arranged on two straight leads of level of upper cores and lower die side, be provided with between described two straight leads first loose core assembly and after loose core assembly；
Described assembly of first loosing core includes first loose core mold insert and the first sliding shoe of fixing mold insert of first loosing core；
Loose core after described loose core after assembly includes mold insert and fixing after loose core the rear sliding shoe of mold insert, there is on described rear sliding shoe the U-shaped portion being slidably matched with two straight lead linear reciprocation, described first sliding shoe is positioned in U-shaped portion and coordinates with U-shaped portion linear slide, described after the loose core middle part of mold insert be provided with the pilot hole being slidably matched with mold insert of first loosing core；
The locating part of first loosing core of elder generation's sliding shoe displacement when being limited to loose core for the first time it is provided with in described U-shaped portion；
The secondary core-pulling mechanism of described injection mold also includes the cylinder that the end being fixed on two straight leads and piston rod are connected with first sliding shoe；
The secondary core-pulling mechanism of described injection mold also include coordinating with the inclined side of first sliding shoe with restriction first loose core assembly and after loose core assembly shovel of position under matched moulds state.
Further, described first sliding shoe is provided with T-slot, the piston rod end of described cylinder is provided with the T-shaped head coordinated with T-slot.
The beneficial effects of the utility model:
The secondary core-pulling mechanism of this utility model injection mold, when loosing core for the first time, cylinder first drives assembly of first loosing core to retreat, make first loose core mold insert and part disengaging, then when second time is loosed core, cylinder drive again first loose core assembly and after assembly of loosing core retreat simultaneously, assembly of loosing core after making departs from part, owing to mold insert of first loosing core when second time is loosed core is deviate from from part, therefore when second time is loosed core, the back-off of part tube end can inwardly produce certain elastic deformation, it is thus possible to realize the smooth demoulding that second time is loosed core；And using this pulled core structure can make the outer surface release mark of tubular member, product appearance quality is high.
Accompanying drawing explanation
Fig. 1 is the detonation configuration schematic diagram of the secondary core-pulling mechanism of the present embodiment injection mold；
Fig. 2 is the matched moulds state sectional structure schematic diagram of the secondary core-pulling mechanism of the present embodiment injection mold；
Fig. 3 is the sectional structure schematic diagram of state of loosing core for the first time of the secondary core-pulling mechanism of the present embodiment injection mold；
Fig. 4 is that the second time of the secondary core-pulling mechanism of the present embodiment injection mold is loosed core the sectional structure schematic diagram of state.
Detailed description of the invention
With embodiment, this utility model is further described below in conjunction with the accompanying drawings.
As it can be seen, the secondary core-pulling mechanism of the present embodiment injection mold, including being arranged on two straight leads of level 3 of upper cores 1 and lower die 2 side, be provided with between described two straight leads first loose core assembly and after loose core assembly；
Described assembly of first loosing core includes first loose core mold insert 4 and the first sliding shoe 5 of fixing mold insert of first loosing core；
Loose core after described loose core after assembly includes mold insert 6 and fixing after loose core the rear sliding shoe 7 of mold insert, there is on described rear sliding shoe 7 U-shaped portion being slidably matched with two straight lead linear reciprocation, described first sliding shoe 5 is positioned in U-shaped portion and coordinates with U-shaped portion linear slide, loose core after the described middle part of mold insert is provided with the pilot hole being slidably matched with mold insert of first loosing core, first loose core mold insert and after loose core mold insert leading portion on be formed with the die cavity in portion of loosing core of part 8；
Be provided with the locating part 9 of first loosing core of elder generation's sliding shoe displacement when being limited to loose core for the first time in described U-shaped portion, locating part of first loosing core coordinated with the end face of elder generation sliding shoe by end face realize spacing；
The secondary core-pulling mechanism of described injection mold also includes the cylinder 10 that the end being fixed on two straight leads and piston rod are connected with first sliding shoe；
The secondary core-pulling mechanism of described injection mold also include coordinating with the inclined side of first sliding shoe with restriction first loose core assembly and after loose core the shovel 11 of assembly position under matched moulds state.
The secondary core-pulling mechanism of the present embodiment injection mold, when loosing core for the first time, cylinder first drives assembly of first loosing core to retreat, make first loose core mold insert and part disengaging, then when second time is loosed core, cylinder drive again first loose core assembly and after assembly of loosing core retreat simultaneously, assembly of loosing core after making departs from part, owing to mold insert of first loosing core when second time is loosed core is deviate from from part, therefore when second time is loosed core, the back-off of part tube end can inwardly produce certain elastic deformation, it is thus possible to realize the smooth demoulding that second time is loosed core；And using this pulled core structure can make the outer surface release mark of tubular member, product appearance quality is high.
As the improvement to the present embodiment, described first sliding shoe is provided with T-slot 12, the piston rod end of described cylinder is provided with the T-shaped head coordinated with T-slot, use T-slot and T-shaped head to coordinate, easy to assembly simply.
Finally illustrate is, above example is only in order to illustrate the technical solution of the utility model and unrestricted, although this utility model being described in detail with reference to preferred embodiment, it will be understood by those within the art that, the technical solution of the utility model can be modified or equivalent, without deviating from objective and the scope of technical solutions of the utility model, it all should be contained in the middle of right of the present utility model.
Claims (2)
1. the secondary core-pulling mechanism of an injection mold, it is characterised in that: include the two straight leads of level being arranged on upper cores and lower die side, be provided with between described two straight leads first loose core assembly and after loose core assembly；
Described assembly of first loosing core includes first loose core mold insert and the first sliding shoe of fixing mold insert of first loosing core；
Loose core after described loose core after assembly includes mold insert and fixing after loose core the rear sliding shoe of mold insert, there is on described rear sliding shoe the U-shaped portion being slidably matched with two straight lead linear reciprocation, described first sliding shoe is positioned in U-shaped portion and coordinates with U-shaped portion linear slide, described after the loose core middle part of mold insert be provided with the pilot hole being slidably matched with mold insert of first loosing core；
The locating part of first loosing core of elder generation's sliding shoe displacement when being limited to loose core for the first time it is provided with in described U-shaped portion；
The secondary core-pulling mechanism of described injection mold also includes the cylinder that the end being fixed on two straight leads and piston rod are connected with first sliding shoe；
The secondary core-pulling mechanism of described injection mold also include coordinating with the inclined side of first sliding shoe with restriction first loose core assembly and after loose core assembly shovel of position under matched moulds state.
The secondary core-pulling mechanism of injection mold the most according to claim 1, it is characterised in that: it is provided with T-slot on described first sliding shoe, the piston rod end of described cylinder is provided with the T-shaped head coordinated with T-slot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620281657.4U CN205522325U (en) | 2016-04-06 | 2016-04-06 | Injection mold's secondary mechanism of loosing core |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620281657.4U CN205522325U (en) | 2016-04-06 | 2016-04-06 | Injection mold's secondary mechanism of loosing core |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205522325U true CN205522325U (en) | 2016-08-31 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620281657.4U Expired - Fee Related CN205522325U (en) | 2016-04-06 | 2016-04-06 | Injection mold's secondary mechanism of loosing core |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205522325U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106965383A (en) * | 2017-03-28 | 2017-07-21 | 宁波神通模塑有限公司 | It is a kind of be stripped by force it is secondary open in take out method |
| CN108621384A (en) * | 2018-06-06 | 2018-10-09 | 珠海格力精密模具有限公司 | Demoulding structure, injection mold and injection molding |
-
2016
- 2016-04-06 CN CN201620281657.4U patent/CN205522325U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106965383A (en) * | 2017-03-28 | 2017-07-21 | 宁波神通模塑有限公司 | It is a kind of be stripped by force it is secondary open in take out method |
| CN108621384A (en) * | 2018-06-06 | 2018-10-09 | 珠海格力精密模具有限公司 | Demoulding structure, injection mold and injection molding |
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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 |
Granted publication date: 20160831 Termination date: 20190406 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |