CN206510347U - The detachable core rod of injection mould - Google Patents
The detachable core rod of injection mould Download PDFInfo
- Publication number
- CN206510347U CN206510347U CN201720166705.XU CN201720166705U CN206510347U CN 206510347 U CN206510347 U CN 206510347U CN 201720166705 U CN201720166705 U CN 201720166705U CN 206510347 U CN206510347 U CN 206510347U
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- core rod
- mold insert
- gap
- air inlet
- groove
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Abstract
The utility model discloses the detachable core rod of injection mould, including core rod and the core rod mold insert being set on core rod, core rod mold insert is detachably mounted on core rod by locking piece, the left-half of core rod mold insert has cooperatively formed the first gap with core clearance, the left-half of core rod mold insert is communicated with the steam vent in extraneous and the first gap, core rod outer peripheral face is provided with end to end into ring-like groove around core rod one week, core rod is communicated with the air discharge duct in groove and the first gap, core rod and core rod mold insert have collectively formed air inlet area in the part of groove right-hand member, the external diameter of core rod is formed with the second gap less than the internal diameter of core rod mold insert in air inlet area in air inlet area makes groove be connected with outside core rod mold insert right side, Demountable is designed, not only the exhaust performance of mould is improved, and only need to change core rod mold insert in the case of bottleneck damage, save maintenance cost, in the daily maintenance of mould, the buildup cleared up inside core rod mold insert is easier.
Description
Technical field
The utility model belongs to injection mould applications, and in particular to the detachable core rod of injection mould.
Background technology
Injection mould is during production, and PET raw materials are extruded into molten condition from injection machine toward mould molding intracavitary, this
When forming cavity in air will be pressed against by the exhaust structure in mould outside forming cavity, multimode cavity common in the art
The core rod of injection mould, as depicted in figs. 1 and 2, including core rod mold insert 1 and core rod 5, the A faces of core rod mold insert 1 and the B faces of core rod
Interference fit, core rod mold insert 1 is provided with exhaust area 2, and the internal diameter 0.025mm formation space bigger than A faces engineering size of exhaust area 2 is met
Exhaust needs, and core rod mold insert 1 is provided with 2mm exhaust outlet 3, and the right side of core rod mold insert 1 is provided with contact zone 4, and contact zone 4 is bottle base
Bottleneck portion and the contact position of core rod mold insert 1.The shortcoming of the core rod of existing multimode cavity injection mould is work in process of production
Sequence is more complicated：First step process needs core rod mold insert 1 to need made allowance standby in C faces before finishing is completed first, and then second
Step process needs core rod 5 to finish behind D faces, and core rod mold insert 1 is by loading core rod 5, last three-procedure assembling after heating
It is another after good to play processing E faces, and core rod mold insert 1 and core rod 5 are non-dismountable, inconvenience is changed in maintenance.
Utility model content
The purpose of this utility model is the detachable core rod for providing injection mould, and Demountable is designed, not only
The exhaust performance of mould is improved, and only needs to change core rod mold insert in the case of bottleneck damage, saves maintenance cost,
In the daily maintenance of mould, the buildup inside cleaning core rod mold insert is easier.
For up to above-mentioned purpose, major technique solution of the present utility model is to provide the detachable mould of injection mould
Core, including core rod and the core rod mold insert being set on core rod, core rod mold insert are detachably mounted on core rod by locking piece, mould
The left-half of core mold insert and core clearance have cooperatively formed the first gap, the left-half of core rod mold insert be communicated with it is extraneous and
The steam vent in the first gap, core rod outer peripheral face is provided with end to end into ring-like groove around core rod one week, and core rod is provided with company
Logical groove and the air discharge duct in the first gap, core rod and core rod mold insert have collectively formed air inlet area, air inlet in the part of groove right-hand member
The external diameter of core rod is formed with the second gap less than the internal diameter of core rod mold insert in air inlet area in area makes groove and core rod mold insert right side
Outer connection.
It is corresponding fixed with positioning cotter way that the locking piece is provided with including positioning cotter way, core rod mold insert that core rod is provided with
The latch being provided with position pin-and-hole and positioning cotter way, stirring latch and being inserted into inside dowel hole can make core rod and core rod mold insert solid
Fixed, Demountable design, bottleneck only needs to change core rod mold insert in the case of damaging, and saves maintenance cost,
In the daily maintenance of mould, the buildup inside cleaning core rod mold insert is easier.
The air discharge duct is located on core rod along the axial direction of core rod.
The external diameter of core rod is than the small 0.025mm of internal diameter of core rod mold insert in air inlet area in air inlet area, and core rod mold insert right side is set
There is contact zone, contact zone is the bottleneck portion of bottle base and the contact position of core rod mold insert, is coordinated using core rod of the present utility model
When mould produces bottle base product, the position of bottleneck of the product bottle base is in core rod contact with the right side of core rod mold insert
Area, injection mould during production, PET raw materials into molten condition from injection machine toward mould molding intracavitary extrude, at this moment into
Air in die cavity will flow through groove into the second gap from the contact zone of bottle mouth position and enter air discharge duct, then eventually through row
Stomata is discharged.
For defects such as prior art core rod maintenance replacement cost height, operational maintenance inconveniences, ensureing that mould uses the longevity
On the premise of life is unaffected, a kind of convenient maintenance and replacement, the simple mold insert structure of operational maintenance are designed.
The utility model beneficial effect is：Demountable is designed, and not only the exhaust performance of mould is improved, and bottleneck
Only need to change core rod mold insert in the case of damage, save maintenance cost, in the daily maintenance of mould, clear up core rod
Buildup inside mold insert is easier.
Brief description of the drawings
Fig. 1 is the sectional view before core rod and core rod mold insert are not installed in multi-cavity mold commonly used in the prior art,
Fig. 2 is the installation diagram for Fig. 1,
Stereogram when Fig. 3 is not installed for the core rod and core rod mold insert of the embodiment of the utility model one,
Fig. 4 is the sectional view of Fig. 3 embodiments,
Fig. 5 is the installation diagram of Fig. 3 embodiments,
Fig. 6 is the structural representation of the core rod mold insert of Fig. 3 embodiments, and wherein a is the right view of core rod mold insert, and b is core rod
The sectional view of mold insert,
In figure：Core rod mold insert 1, exhaust area 2, exhaust outlet 3, contact zone 4, core rod 5, the first gap 6, steam vent 7, groove 8,
Air discharge duct 9, the second gap 10, positioning cotter way 11, dowel hole 12, latch 13.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, the every other embodiment that those of ordinary skill in the art are obtained all belongs to
The scope protected in the utility model.
As seen in figures 3-6, the detachable core rod of the injection mould described by the present embodiment, including core rod 5 and be set in
Core rod mold insert 1 on core rod 5, core rod mold insert 1 is detachably mounted on core rod 5 by locking piece, the left side of core rod mold insert 1
Divide and cooperatively formed the first gap 6 with the gap of core rod 5, the left-half of core rod mold insert 1 is communicated with extraneous and the first gap 6
Steam vent 7, the outer peripheral face of core rod 5 is provided with end to end into ring-like groove 8 around core rod 5 one weeks, and core rod 5 is communicated with groove
8 and first gap 6 air discharge duct 9, core rod 5 and core rod mold insert 1 have collectively formed air inlet area, air inlet in the part of the right-hand member of groove 8
The external diameter of core rod 5 is formed with the second gap 10 less than the internal diameter of core rod mold insert 1 in air inlet area in area makes groove 8 and core rod mold insert 1
Connected outside right side.
The locking piece include that core rod 5 the positioning cotter way 11, the core rod mold insert 1 that are provided be provided with positioning 11 pairs of cotter way
The latch 13 being provided with the dowel hole 12 and positioning cotter way 11 answered, core rod can be made by stirring latch 13 and being inserted into inside dowel hole 12
5 and core rod mold insert 1 fix, Demountable design, bottleneck only needs to change core rod mold insert 1, section in the case of damaging
Maintenance cost is saved, in daily maintenance, the buildup of the inside of cleaning core rod mold insert 1 is easier, axle of the air discharge duct 9 along core rod 5
It is located to direction on core rod 5.
The external diameter of core rod 5 is than the small 0.025mm of internal diameter of core rod mold insert 1 in air inlet area, the right side of core rod mold insert 1 in air inlet area
Provided with contact zone 4, contact zone 4 is the bottleneck portion of bottle base and the contact position of core rod mold insert 1, uses core rod of the present utility model
When 5 mating mold produce bottle base product, the position of bottleneck of the product bottle base is at the right side of core rod 5 and core rod mold insert 1
Contact zone 4, injection mould during production, PET raw materials into molten condition from injection machine toward mould molding intracavitary extrude,
At this moment the air in forming cavity will flow through the entrance air discharge duct 9 of groove 8 from the second gap 10 of entrance of contact zone 4 of bottle mouth position, so
Discharged afterwards eventually through steam vent 7.
For defects such as the maintenance of prior art core rod 5 replacement cost height, operational maintenance inconveniences, ensureing that mould uses the longevity
On the premise of life is unaffected, design a kind of convenient maintenance and replacement, the simple structure of core rod 5 of operational maintenance, not only mould
Exhaust performance is improved, and only needs to change core rod mold insert 1 in the case of bottleneck damage, maintenance cost is saved, in mould
In the daily maintenance of tool, the buildup of the inside of cleaning core rod mold insert 1 is easier.
The utility model is not limited to above-mentioned preferred forms, and anyone can draw under enlightenment of the present utility model
Other various forms of products, however, make any change in its shape or structure, it is every that there is same as the present application or phase
Approximate technical scheme, all falls within protection domain of the present utility model.
Claims (4)
1. the detachable core rod of injection mould, including core rod (5) and the core rod mold insert (1) that is set on core rod (5), its feature
It is, core rod mold insert (1) is detachably mounted on core rod (5) by locking piece, the left-half and core rod of core rod mold insert (1)
(5) gap has cooperatively formed the first gap (6), and the left-half of core rod mold insert (1) is communicated with extraneous and the first gap (6)
Steam vent (7), core rod (5) outer peripheral face, which is provided with, surrounds core rod (5) one weeks and end to end into ring-like groove (8), core rod (5)
The air discharge duct (9) of groove (8) and the first gap (6) is communicated with, core rod (5) and core rod mold insert (1) are in the portion of groove (8) right-hand member
The external diameter for point having collectively formed core rod (5) in air inlet area, air inlet area is less than the internal diameter of core rod mold insert (1) in air inlet area and is formed with the
Two gaps (10) make groove (8) be connected with outside core rod mold insert (1) right side.
2. the detachable core rod of injection mould according to claim 1, it is characterised in that the locking piece includes core rod
(5) positioning cotter way (11), the core rod mold insert (1) being provided be provided with positioning cotter way (11) corresponding dowel hole (12) and
The latch (13) being provided with positioning cotter way (11).
3. the detachable core rod of injection mould according to claim 1, it is characterised in that the air discharge duct (9) is along core rod
(5) axial direction is located on core rod (5).
4. the detachable core rod of injection mould according to claim 1, it is characterised in that in the air inlet area core rod (5)
Internal diameter small 0.025mm of the external diameter than core rod mold insert (1) in air inlet area.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720166705.XU CN206510347U (en) | 2017-02-23 | 2017-02-23 | The detachable core rod of injection mould |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720166705.XU CN206510347U (en) | 2017-02-23 | 2017-02-23 | The detachable core rod of injection mould |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206510347U true CN206510347U (en) | 2017-09-22 |
Family
ID=59868637
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720166705.XU Active CN206510347U (en) | 2017-02-23 | 2017-02-23 | The detachable core rod of injection mould |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206510347U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109514835A (en) * | 2018-12-29 | 2019-03-26 | 广东星联精密机械有限公司 | A kind of connection structure forming internal model and fixing piece |
| CN116080015A (en) * | 2023-02-27 | 2023-05-09 | 李丽萌 | Hand mold forming mold and demolding method |
-
2017
- 2017-02-23 CN CN201720166705.XU patent/CN206510347U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109514835A (en) * | 2018-12-29 | 2019-03-26 | 广东星联精密机械有限公司 | A kind of connection structure forming internal model and fixing piece |
| CN109514835B (en) * | 2018-12-29 | 2024-04-02 | 广东星联精密机械有限公司 | Connection structure of shaping centre form and mounting |
| CN116080015A (en) * | 2023-02-27 | 2023-05-09 | 李丽萌 | Hand mold forming mold and demolding method |
| CN116080015B (en) * | 2023-02-27 | 2024-05-10 | 李丽萌 | Hand mold forming mold and demolding method |
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