CN207954531U - A kind of undercut loose-core injection mould - Google Patents
A kind of undercut loose-core injection mould Download PDFInfo
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- CN207954531U CN207954531U CN201721880732.XU CN201721880732U CN207954531U CN 207954531 U CN207954531 U CN 207954531U CN 201721880732 U CN201721880732 U CN 201721880732U CN 207954531 U CN207954531 U CN 207954531U
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- Prior art keywords
- pulling
- die holder
- forming convax
- core
- convax mould
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Abstract
The utility model discloses a kind of undercut loose-core injection moulds, including upper die holder, lower die holder, forming convax mould and product ejecting mechanism, centre position is equipped with injection molding sprue on the upper die holder, it moulds and is equipped with oblique guide post on the left of cast gate, the lower die holder is equipped with forming convax mould, lateral cylinder is equipped on the left of the forming convax mould, side core_pulling and staking punch, the lateral cylinder is connect by telescopic rod with side core_pulling left end, institute's staking punch is arranged on the right side of side core_pulling, the side core_pulling is equipped with the hole slot to match with oblique guide post, product ejecting mechanism is arranged below forming convax mould.It is simple in structure, reasonable design, it is easy to operate, side core_pulling realizes the side core-pulling processing of injecting products under the action of horizontal air cylinder, product ejecting mechanism coordinates the upward ejection device of product that side core_pulling completes injection molding, it prevents from deforming when de-molding injection molded products, quality of mold release is effectively ensured, improve processability.
Description
Technical field
The utility model is related to injection molding machine technical fields, and in particular to a kind of undercut loose-core injection mould.
Background technology
Injection mold is a kind of tool producing plasthetics, is also to confer to plasthetics complete structure and accurate dimension
Tool, be in the industrial production to be molded, be blow molded, squeeze out, the methods of die casting or punching press obtain the various moulds of required product
Tool when injection molding, mainly realizes the processing of the shape of article by the change of moulding material physical state, when injection molding, mold
Clamping is on injection molding machine, and molten plastic is injected into pattern intracavitary, and in intracavitary cooling and shaping, in the process of die sinking, via production
Cooling injecting products are ejected from die cavity and realize that demoulding, the injection molding holding cavity structure of existing injection mold are more multiple by product ejecting mechanism
It is miscellaneous, when injection molding product is with hole, pit, boss, when being demoulded by product ejecting mechanism, inevitably cause hole, recessed
The positions such as hole and boss deform, and stripping result is poor.
Therefore, it is necessary to it is a kind of can undercut core pulling injection mold, to solve the shortcomings of the prior art.
Utility model content
Purpose of utility model：Existing problem and shortage in for the above-mentioned prior art, the purpose of this utility model are
A kind of undercut loose-core injection mould is provided.
Technical solution：In order to achieve the above objectives, a kind of undercut loose-core injection mould described in the utility model, including
Upper die holder, lower die holder, forming convax mould and product ejecting mechanism, centre position is equipped with injection molding sprue on the upper die holder, and injection molding is poured
Oblique guide post is equipped on the left of mouthful, the lower die holder is equipped with forming convax mould, lateral cylinder, side are equipped on the left of the forming convax mould
To core and staking punch, the lateral cylinder is connect by telescopic rod with side core_pulling left end, and institute's staking punch is arranged in lateral type
On the right side of core, the side core_pulling is equipped with the hole slot to match with oblique guide post, and product ejecting mechanism is arranged in forming convax mould
Lower section.
Further, the product ejecting mechanism includes longitudinal cylinder, transverse link and mandril, transverse link and longitudinal gas
The telescopic rod of cylinder connects, and mandril is separately positioned on the left and right ends of transverse link, and the mandril is set in forming convax mould or so two
Side.
Further, backing plate is equipped with below the forming convax mould, the backing plate is connected by retractable support column and transverse link
It connects, the retractable support column is formed by more piece rod piece grafting from top to bottom, is equipped in the reservoir body that adjacent rod piece is constituted flexible
Spring.
Further, it is equipped with the limited block highly consistent with forming convax mould on the right side of the forming convax mould.
Further, the lower die holder be equipped with water inlet and water outlet, the lower die holder be internally provided with water inlet and
The water-cooling channel of water outlet connection.
Further, the oblique guide post and vertical direction angle are 15 ~ 30 °.
A kind of undercut loose-core injection mould working method, specific works method are as follows：（1）, open lateral cylinder, it is horizontal
Side core_pulling is driven to move right to cylinder；Control upper die holder is run down, and oblique guide post is inserted into corresponding in side core_pulling
Groove；
（2）, required injection molding materials are poured into the modeling cast gate of upper die holder, be poured；
（3）, injection molding liquid along modeling cast gate flow into forming convax mould at left and right sides of；
（4）, upper die holder run up, injecting products and upper die holder are detached from, and lateral cylinder drives side core_pulling to move downward,
Oblique guide post is disengaged with side core_pulling；
（5）, product ejecting mechanism longitudinal cylinder movement, retractable support column compressed, and mandril is under longitudinal cylinder drive
It moves upwards, product is ejected from forming convax mould.
Above-mentioned technical proposal can be seen that the beneficial effects of the utility model：
A kind of undercut loose-core injection mould described in the utility model, simple in structure, reasonable design, easy operation,
Side core_pulling realizes that the side core-pulling processing of injecting products, product ejecting mechanism coordinate side core_pulling under the action of horizontal air cylinder
The upward ejection device of product that injection molding is completed, prevents from deforming when de-molding injection molded products, quality of mold release is effectively ensured, and improves
Processability.
Description of the drawings
Fig. 1 is the utility model overall structure diagram.
Specific implementation mode
In the following with reference to the drawings and specific embodiments, the utility model is furtherd elucidate.
A kind of undercut loose-core injection mould as shown in Figure 1, including upper die holder 1, lower die holder 2, forming convax mould 3 and production
Product ejecting mechanism 4, centre position is equipped with injection molding sprue on the upper die holder 1, and oblique guide post 5, institute are equipped on the left of injection molding sprue
It states lower die holder 2 and is equipped with forming convax mould 6,6 left side of the forming convax mould is equipped with lateral cylinder 7, side core_pulling 8 and staking punch 9, institute
It states lateral cylinder 7 to connect with 8 left end of side core_pulling by telescopic rod, the setting of institute's staking punch 9 is in 8 right side of side core_pulling, the side
The hole slot to match with oblique guide post 5 is equipped with to core 8, product ejecting mechanism 4 is arranged below forming convax mould 6.
Product ejecting mechanism described in the present embodiment 4 includes longitudinal cylinder 41, transverse link 42 and mandril 43, transverse link
42 connect with the telescopic rod of longitudinal cylinder 41, and mandril 43 is separately positioned on the left and right ends of transverse link 42, and the mandril 43 is set
In in 6 left and right sides of forming convax mould.
Backing plate 10 is equipped with below forming convax mould 6 described in the present embodiment, the backing plate 10 passes through retractable support column 11 and cross
It is connected to connecting rod 42, the retractable support column 11 is formed by more piece rod piece grafting from top to bottom, the vessel that adjacent rod piece is constituted
It is equipped with adjustable spring in vivo.
The limited block 12 highly consistent with forming convax mould 6 is equipped on the right side of forming convax mould 6 described in the present embodiment.
Lower die holder 2 described in the present embodiment is equipped with water inlet and water outlet, and the lower die holder 2 is internally provided with and water inlet
The water-cooling channel being connected to water outlet.
Oblique guide post 5 described in the present embodiment is 15 ~ 30 ° with vertical direction angle.
A kind of core_pulling mechanism injection mold working method, specific works method are as follows：
（1）Lateral cylinder 7 is opened, lateral cylinder 7 drives side core_pulling 8 to move right；
（2）Control upper die holder 1 is run down, and oblique guide post 5 is inserted into corresponding groove in side core_pulling 8；
（2）The modeling cast gate that required injection molding materials are poured into upper die holder 1, is poured；
（3）It is molded liquid and flows into 6 left and right sides of forming convax mould along modeling cast gate；
（4）Upper die holder 1 is run up, and injecting products are detached from upper die holder, and lateral cylinder 7 drives side core_pulling 8 to transport to the left
Dynamic, oblique guide post 5 is disengaged with side core_pulling 8；
（5）The longitudinal cylinder 41 of product ejecting mechanism 4 moves, and retractable support column 11 is compressed, and mandril 43 is in longitudinal cylinder
It is moved upwards under 41 drives, product is ejected from forming convax mould 6.
Embodiment is merely to illustrate the utility model rather than limitation the scope of the utility model, is reading this practicality
After novel, it is as defined in the appended claims that those skilled in the art fall within the application to the various equivalences of the utility model
Range.
Claims (6)
1. a kind of undercut loose-core injection mould, it is characterised in that：Including upper die holder（1）, lower die holder（2）, die cylinder
（3）, product ejecting mechanism（4）And forming convax mould（6）, the upper die holder（1）With die cylinder（3）Connection, upper die holder（1）In upper
Meta position has installed injection molding sprue, and oblique guide post is equipped on the left of injection molding sprue（5）, the lower die holder（2）It is equipped with forming convax mould
（6）, the forming convax mould（6）Left side is equipped with lateral cylinder（7）, side core_pulling（8）And staking punch（9）, the lateral cylinder（7）
Pass through telescopic rod and side core_pulling（8）Left end connects, institute's staking punch（9）It is arranged in side core_pulling（8）Right side, the side core_pulling
（8）It is equipped with and oblique guide post（5）The hole slot to match, product ejecting mechanism（4）It is arranged in forming convax mould（6）Lower section.
2. a kind of undercut loose-core injection mould according to claim 1, it is characterised in that：The product ejecting mechanism
（4）Including longitudinal cylinder（41）, transverse link（42）And mandril（43）, transverse link（42）With longitudinal cylinder（41）Telescopic rod
Connection, mandril（43）It is separately positioned on transverse link（42）Left and right ends, the mandril（43）Set in forming convax mould（6）It is left
Right both sides.
3. a kind of undercut loose-core injection mould according to claim 2, it is characterised in that：The forming convax mould（6）
Lower section is equipped with backing plate（10）, the backing plate（10）Pass through retractable support column（11）With transverse link（42）Connection, the flexible branch
Dagger（11）It is formed by more piece rod piece grafting from top to bottom, adjustable spring is equipped in the reservoir body that adjacent rod piece is constituted.
4. a kind of undercut loose-core injection mould according to claim 1, it is characterised in that：The forming convax mould（6）
Right side is equipped with and forming convax mould（6）Highly consistent limited block（12）.
5. a kind of undercut loose-core injection mould according to claim 1, it is characterised in that：On the lower die holder (2)
Equipped with water inlet and water outlet, the lower die holder（2）It is internally provided with the water-cooling channel being connected to water inlet and water outlet.
6. a kind of undercut loose-core injection mould according to claim 1, it is characterised in that：The oblique guide post
（5）It it is 15 ~ 30 ° with vertical direction angle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721880732.XU CN207954531U (en) | 2017-12-28 | 2017-12-28 | A kind of undercut loose-core injection mould |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721880732.XU CN207954531U (en) | 2017-12-28 | 2017-12-28 | A kind of undercut loose-core injection mould |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207954531U true CN207954531U (en) | 2018-10-12 |
Family
ID=63730651
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721880732.XU Active CN207954531U (en) | 2017-12-28 | 2017-12-28 | A kind of undercut loose-core injection mould |
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| CN (1) | CN207954531U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108081555A (en) * | 2017-12-28 | 2018-05-29 | 太仓朗盛金属制品有限公司 | A kind of undercut loose-core injection mould and its method of work |
| CN109604556A (en) * | 2018-12-11 | 2019-04-12 | 东莞市铭旺模具有限公司 | A kind of loose-core injection mould |
-
2017
- 2017-12-28 CN CN201721880732.XU patent/CN207954531U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108081555A (en) * | 2017-12-28 | 2018-05-29 | 太仓朗盛金属制品有限公司 | A kind of undercut loose-core injection mould and its method of work |
| CN109604556A (en) * | 2018-12-11 | 2019-04-12 | 东莞市铭旺模具有限公司 | A kind of loose-core injection mould |
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