CN108081555A - A kind of undercut loose-core injection mould and its method of work - Google Patents
A kind of undercut loose-core injection mould and its method of work Download PDFInfo
- Publication number
- CN108081555A CN108081555A CN201711459627.3A CN201711459627A CN108081555A CN 108081555 A CN108081555 A CN 108081555A CN 201711459627 A CN201711459627 A CN 201711459627A CN 108081555 A CN108081555 A CN 108081555A
- Authority
- CN
- China
- Prior art keywords
- pulling
- core
- forming convax
- side core
- convax mould
- 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
Links
- 238000002347 injection Methods 0.000 title claims abstract description 28
- 239000007924 injection Substances 0.000 title claims abstract description 28
- 238000004080 punching Methods 0.000 claims abstract description 9
- 238000001746 injection moulding Methods 0.000 claims abstract description 8
- 239000000047 product Substances 0.000 claims description 24
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 12
- 238000001816 cooling Methods 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 4
- 239000006227 byproduct Substances 0.000 claims description 3
- 230000000875 corresponding Effects 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims description 3
- 238000000465 moulding Methods 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000004512 die casting Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
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
- B29C45/26—Moulds
- B29C45/33—Moulds having transversely, e.g. radially, movable mould parts
- B29C45/332—Mountings or guides therefor; Drives therefor
-
- 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
Abstract
The invention discloses a kind of undercut loose-core injection moulds, including upper mold seat, die holder, forming convax mould and product ejecting mechanism, centre position is equipped with injection molding sprue on the upper mold seat, it moulds and oblique lead is equipped on the left of cast gate, the die holder is equipped with forming convax mould, lateral cylinder is equipped on the left of the forming convax mould, side core_pulling and punching drill bit, the lateral cylinder is connected by telescopic rod with side core_pulling left end, institute's punching drill bit is arranged on the right side of side core_pulling, the side core_pulling is equipped with the hole slot to match with oblique lead, product ejecting mechanism is arranged below forming convax mould.Side core_pulling realizes the side core-pulling processing of injecting products under the action of horizontal air cylinder, product ejecting mechanism coordinates side core_pulling that will be molded the upward ejection device of product completed, it prevents from deforming during de-molding injection molded products, quality of mold release is effectively ensured, improve processability.
Description
Technical field
The present invention relates to injection molding machine technical fields, and in particular to a kind of undercut loose-core injection mould and its work side
Method.
Background technology
Injection mold is a kind of instrument for producing plasthetics, is also to confer to plasthetics complete structure and accurate dimension
Instrument, be in the industrial production being molded, being blow molded, squeezing out, die casting or obtain the various moulds of required product the methods of punching press
Tool during injection, mainly realizes the processing of the shape of article by the change of moulding material physical state, during injection, mold
For clamping on injection molding machine, molten plastic is injected into pattern intracavitary, and in intracavitary cooling and shaping, in the process of die sinking, via production
The injecting products of cooling from die cavity are ejected and realize the demoulding by product ejecting mechanism, and the injection holding cavity structure of existing injection mold is more multiple
It is miscellaneous, when injection molding product is with hole, pit, boss, only when being demoulded by product ejecting mechanism, inevitably cause hole,
The positions such as pit and boss deform, and stripping result is poor.
The content of the invention
Goal of the invention：Existing problem and shortage in for the above-mentioned prior art, the object of the present invention is to provide one kind
Undercut loose-core injection mould and its method of work.
Technical solution：In order to achieve the above objectives, a kind of undercut loose-core injection mould of the present invention, including upper mold
Seat, die holder, forming convax mould and product ejecting mechanism, centre position is equipped with injection molding sprue on the upper mold seat, on the left of modeling cast gate
Equipped with oblique lead, the die holder is equipped with forming convax mould, and lateral cylinder, side core_pulling are equipped on the left of the forming convax mould
With punching drill bit, the lateral cylinder is connected by telescopic rod with side core_pulling left end, and institute's punching drill bit is arranged on side core_pulling
Right side, the side core_pulling are equipped with the hole slot to match with oblique lead, and product ejecting mechanism is arranged under forming convax mould
Side.
Further, the product ejecting mechanism includes longitudinal cylinder, transverse link and mandril, transverse link and longitudinal gas
The telescopic rod connection of cylinder, mandril are separately positioned on the left and right ends of transverse link, and the mandril is arranged 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 formed 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 die holder be equipped with water inlet and water outlet, the die holder be internally provided with water inlet and
The water-cooling channel of water outlet connection.
Further, the oblique lead and vertical direction angle are 15 ~ 30 °.
A kind of undercut loose-core injection mould method of work, specific works method are as follows：
（1）, open lateral cylinder, lateral cylinder drive side core_pulling move right；Control upper mold seat is run downwards, oblique guiding
Corresponding groove in column insertion side core_pulling；
（2）, required injection materials are poured into the modeling cast gate of upper mold seat, be poured；
（3）, injection liquid along modeling cast gate flow into forming convax mould at left and right sides of；
（4）, upper mold seat run up, injecting products and upper mold seat depart from, and lateral cylinder drives side core_pulling to left movement, oblique
Lead is disengaged with side core_pulling；
（5）, product ejecting mechanism longitudinal cylinder movement, retractable support column compressed, mandril under longitudinal cylinder drive upwards
Movement, product is ejected from forming convax mould.
Above-mentioned technical proposal can be seen that beneficial effects of the present invention：
A kind of undercut loose-core injection mould of the present invention, simple in structure, design is reasonable, easy to operate, side core_pulling
The side core-pulling processing of injecting products is realized under the action of horizontal air cylinder, product ejecting mechanism cooperation side core_pulling will be molded
Into the upward ejection device of product, prevent from deforming during de-molding injection molded products, be effectively ensured quality of mold release, improve injection molding
Efficiency.
Description of the drawings
Fig. 1 is overall structure diagram of the present invention.
Specific embodiment
In the following with reference to the drawings and specific embodiments, the present invention is furture elucidated.
A kind of undercut loose-core injection mould as shown in Figure 1, including upper mold seat 1, die holder 2, forming convax mould 3 and production
Product ejecting mechanism 4, centre position is equipped with injection molding sprue on the upper mold seat 1, and 1 left side of modeling cast gate is equipped with oblique lead 5, described
Die holder 2 is equipped with forming convax mould 6, and 6 left side of forming convax mould is equipped with lateral cylinder 7, side core_pulling 8 and punching drill bit 9, institute
It states lateral cylinder 7 to be connected with 8 left end of side core_pulling by telescopic rod, institute's punching drill bit 9 is arranged on 8 right side of side core_pulling, described
Side core_pulling 8 is equipped with the hole slot to match with oblique lead 5, and product ejecting mechanism 4 is arranged on 3 lower section of forming convax mould.
Product ejecting mechanism described in the present embodiment 4 includes longitudinal cylinder 41, transverse link 42 and mandril 43, transverse link
42 are connected 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 horizontal stroke
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 cavity volume that adjacent rod piece is formed
Adjustable spring is equipped 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.
Die holder 2 described in the present embodiment is equipped with water inlet and water outlet, and the die holder 2 is internally provided with and water inlet
The water-cooling channel connected with water outlet.
Oblique lead 5 described in the present embodiment is 15 ~ 30 ° with vertical direction angle.
A kind of core_pulling mechanism injection mold method of work, specific works method are as follows：
（1）Lateral cylinder 7 is opened, lateral cylinder 7 drives side core_pulling 8 to move right；
（2）Upper mold seat 1 is controlled to run downwards, oblique lead 5 is inserted into corresponding groove in side core_pulling 8；
（2）Required injection materials are poured into the modeling cast gate of upper mold seat 1, are poured；
（3）It is molded liquid and flows into 6 left and right sides of forming convax mould along modeling cast gate；
（4）Upper mold seat 1 is run up, and injecting products and upper mold seat depart from, and lateral cylinder 7 drives side core_pulling 8 to left movement, tiltedly
It is disengaged to lead 5 and 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 41 band of longitudinal cylinder
It is moved upwards under dynamic, product is ejected from forming convax mould 6.
Embodiment is only illustrative of the invention and is not intended to limit the scope of the invention, after the present invention has been read, this
Field technology personnel fall within the application scope as defined in the appended claims to the various equivalences of the present invention.
Claims (7)
1. a kind of undercut loose-core injection mould, it is characterised in that：Including upper mold seat（1）, die holder（2）, die cylinder
（3）, product ejecting mechanism（4）And forming convax mould（6）, the upper mold seat（1）With die cylinder（3）Connection, upper mold seat（1）In upper
Meta position has installed injection molding sprue, moulds cast gate（1）Left side is equipped with oblique lead（5）, the 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）With punching drill bit（9）, the lateral cylinder
（7）Pass through telescopic rod and side core_pulling（8）Left end connects, institute's punching drill bit（9）It is arranged on side core_pulling（8）Right side, the side
To core（8）It is equipped with and oblique lead（5）The hole slot to match, product ejecting mechanism（4）It is arranged on forming convax mould（3）Under
Side.
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）Arranged 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 formed.
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 die holder (2)
Equipped with water inlet and water outlet, the die holder（2）It is internally provided with the water-cooling channel connected with 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 lead
（5）It it is 15 ~ 30 ° with vertical direction angle.
It is 7. a kind of such as claim 1-6 any one undercut loose-core injection mould method of works, it is characterised in that：Specific work
It is as follows to make method：
（1）Open lateral cylinder（7）, lateral cylinder（7）Drive side core_pulling（8）It moves right；
（2）Control upper mold seat（1）Operation downwards, oblique lead（5）It is inserted into side core_pulling（8）Interior corresponding groove；
（2）Required injection materials are poured into upper mold seat（1）Modeling cast gate, be poured；
（3）It is molded liquid and flows into forming convax mould along modeling cast gate（6）The left and right sides；
（4）Upper mold seat（1）It runs up, injecting products depart from upper mold seat, lateral cylinder（7）Drive side core_pulling（8）To the left
Movement, oblique lead（5）With side core_pulling（8）It disengages；
（5）Product ejecting mechanism（4）Longitudinal cylinder（41）Movement, retractable support column（11）It is compressed, mandril（43）In longitudinal direction
Cylinder（41）It is moved upwards under drive, by product from forming convax mould（6）Middle ejection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711459627.3A CN108081555A (en) | 2017-12-28 | 2017-12-28 | A kind of undercut loose-core injection mould and its method of work |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711459627.3A CN108081555A (en) | 2017-12-28 | 2017-12-28 | A kind of undercut loose-core injection mould and its method of work |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108081555A true CN108081555A (en) | 2018-05-29 |
Family
ID=62180417
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711459627.3A Pending CN108081555A (en) | 2017-12-28 | 2017-12-28 | A kind of undercut loose-core injection mould and its method of work |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108081555A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112582163A (en) * | 2020-11-26 | 2021-03-30 | 苏州鑫睿益荣信息技术有限公司 | Automatic filling production system and method for mutual inductor |
-
2017
- 2017-12-28 CN CN201711459627.3A patent/CN108081555A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112582163A (en) * | 2020-11-26 | 2021-03-30 | 苏州鑫睿益荣信息技术有限公司 | Automatic filling production system and method for mutual inductor |
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