CN209718494U - A kind of gauge apron injection mold mold core - Google Patents
A kind of gauge apron injection mold mold core Download PDFInfo
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- CN209718494U CN209718494U CN201920398714.0U CN201920398714U CN209718494U CN 209718494 U CN209718494 U CN 209718494U CN 201920398714 U CN201920398714 U CN 201920398714U CN 209718494 U CN209718494 U CN 209718494U
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Abstract
The utility model relates to a kind of gauge apron injection mold mold cores comprising moving-mould-core, cover half core, the first edge column and the second edge column are provided with injection die cavities between moving-mould-core and cover half core；More than one first type chamber is provided in moving-mould-core, there are three the first edge column mounting hole, two sides are respectively arranged with one second edge column mounting hole, are additionally provided with multiple mandril mounting holes communicated with the first type chamber on moving-mould-core the intracavitary middle part setting of the first type；First edge column is inserted into the first edge column mounting hole；Second edge column is inserted into the second edge column mounting hole；Cover half in-core is provided with second type chamber corresponding with the first type chamber, and hot-runner nozzle mounting hole is provided on cover half core, and hot-runner nozzle mounting hole and the first type chamber correspond.It is provided with edge column water cooling hole in first edge column, inlays and is provided with partition in column water cooling hole, the bottom in partition and edge column water cooling hole is there are the gap for crossing water, and partition is divided into inlet opening and apopore for column water cooling hole is inlayed, and inlet opening and apopore are connected to cooling water flow conduits respectively.
Description
Technical field
The utility model relates to injection mold fields more particularly to a kind of for manufacturing the injection mold of high-speed rail gauge apron
Mold core.
Background technique
WJ8-7 gauge apron is one kind of high-speed rail WJ8 type fastener nylon part, it is desirable that material is glass fibre reinforced nylon
66, this materials processing temperature is high, and to equipment die Screw Corrosion serious wear, production gas is easy in injection molding process, and
The crystallisation by cooling time is longer.
It in the prior art, can be quick group as disclosed in the Chinese utility model patent of Patent No. 201210201687.6
The constant-temperature molding mould of dress, i.e., for being molded the mold of WJ8-7 gauge apron, specific structure are as follows: the installation position of left mold base
On left mold core is installed, right mould core is installed on the installation position of right mold base, is respectively arranged with shaped article on left and right mold core
Left and right type chamber is provided with the protrusion of the recess portion on several shaped articles, the type of left mold core on the side wall and bottom wall of left and right type chamber
More than one mounting hole is provided on the wall of bottom of chamber, the quick-release that location and installation has the type for protruding into left mold core intracavitary on each mounting hole
Plug-in unit, is provided with the positioning pin of positioning when molding on one mold base of opposite face, another mold of opposite face when molding
The location hole with the described detent fit positioning is provided on seat, be respectively arranged on left mold base and right mold base one with
On cooling medium circulation passage, the medium entrance and media outlet of circulation passage be separately positioned on left mold base and right mould tool
On the same side wall or different side walls of seat.It is molded using the mold, has the shortcomings that cooling time long, uses cold flow
Road is fed, and with material handle on product, is needed later period artificial treatment, is wasted time, waste raw material.
Since WJ8-7 gauge apron product grammes per square metre is big, wall thickness, injection moulding process is long cooling time, and product structure is complicated, empty avoiding
Kong Duo, mould structure is complicated, is easy to choke with resentment, and product is caused to paste angle (corner incipient scorch).As shown in Fig. 2, for WJ8-7 gauge apron
Structural schematic diagram is provided with five lightening holes, in injection moulding process, due to choking with resentment in mold cavity, leads to type chamber corner
Temperature is excessively high, and the corner 103 of gauge apron can be made to burn.
Utility model content
The technical problem to be solved by the utility model is to provide one kind can be improved product quality, saves material, raising
The gauge apron injection mold mold core of production efficiency.
To solve the above problems, technical solution adopted in the utility model is:
A kind of gauge apron injection mold mold core, key technology are comprising: moving-mould-core, cover half core, the first edge column
And second edge column, be provided with injection die cavities between the moving-mould-core and cover half core；
More than one first type chamber is provided in the moving-mould-core, there are three first for the intracavitary middle part setting of the first type
Column mounting hole is inlayed, two sides are respectively arranged with one second edge column mounting hole, and multiple and first type is additionally provided on moving-mould-core
The mandril mounting hole that chamber communicates；
The first edge column is inserted into the first edge column mounting hole, is provided with edge column water cooling in the first edge column
Hole, edge column water cooling hole are blind hole, are provided with partition in edge column water cooling hole, the partition with inlay the bottom in column water cooling hole there are
Cross the gap of water, the partition will inlay column water cooling hole and be divided into inlet opening and apopore, the inlet opening and apopore respectively with
Cooling water flow conduits connection；
The second edge column is inserted into the second edge column mounting hole；
The cover half in-core is provided with second type chamber corresponding with the first type chamber, is provided with heat on the cover half core
Channels mounting hole, the hot-runner nozzle mounting hole and the first type chamber correspond.
The partition is copper partition as a further improvement of the utility model,.
Mandril mounting hole, second edge are provided on the second edge column as a further improvement of the utility model,
Column top is provided with the exhaust gap extended vertically downward, the exhaust gap make mandril mounting hole on the second edge column with
The perforation of its side wall.
The cross section of the exhaust gap is in " ten " font as a further improvement of the utility model,.
The exhaust gap extends to the second edge column and the first type chamber as a further improvement of the utility model,
On type chamber contact surface.
The moving-mould-core is internally provided with around the first type chamber extension as a further improvement of the utility model,
Heating flow channel；The cover half in-core is provided with the heating flow channel extended around the second type chamber.
There are two the first type chamber, the cover half cores for setting on the moving-mould-core as a further improvement of the utility model,
There are two second type chambers for upper correspondence the first type chamber setting.
It as a further improvement of the utility model, include two moving-mould-cores and two cover half cores, two moving-mould-cores
The injection die cavities that four gauge aprons are formed with two cover half cores and the first edge column and the second edge column, make injection core can
Once four gauge aprons of injection molding.
The beneficial effects of adopting the technical scheme are that
It in mold core provided by the utility model, is molded using hot flow path, can be avoided and form material handle in injection molding, save
Material, goes to drop off the operation of handle, saves labour turnover after eliminating product depanning, improves production efficiency.
In mold core provided by the utility model, the first edge column at middle part is provided with edge column water cooling hole, and inlays column water cooling
It is provided in hole and the water cooling hole is divided into inlet opening and apopore, and inlet opening and apopore connect with cooling water flow conduits respectively
It is logical, cooling water can so adequately flowed in edge column water cooling hole, keeps gauge apron cooling fast, the product crystallisation by cooling time
It reduces, reduces the Shooting Technique period, save product cost.
According to the practical Shooting Technique in workshop, the cycle period of original injection mold is 187 seconds, since workshop is 24 hours
Continuous production, can calculate original injection mold 24 hours achievable 462 circulations, and mold goes out four for one, then can be molded
1848 pieces of product；After improving the first edge rod structure, greatly shorten cooling time, the cycle period of mold injection is 170 seconds,
Similarly calculating 24 hours can be 2032 piece of injecting products, and production efficiency improves 9.96%.
In addition, wall thickness, material internal stress is big, after product depanning, often since WJ8-7 gauge apron product grammes per square metre is big
It is cooling to there is surface layer, but inside is still within molten condition, in this case, product can be caused by overflow outside in lightening hole
There is waste product.After improving edge column, the cycle period of injection molding is not only shortened, is improved efficiency, and can be effective gram
The above problem is taken, interiors of products is adequately cooled, overflow after product depanning is avoided, reduces rejection rate.
Detailed description of the invention
It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art
Specific embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, it is described below
In attached drawing be that some embodiments of the utility model are not paying creativeness for those of ordinary skill in the art
Under the premise of labour, it can also be obtained according to these attached drawings other attached drawings.
Fig. 1 and Fig. 2 is the structural schematic diagram of WJ8-7 gauge apron different perspectives.
Fig. 3 is the structural schematic diagram of moving-mould-core side under molding state.
Fig. 4 is the structural schematic diagram of cover half core side under molding state.
Fig. 5 is the structural schematic diagram that moving-mould-core is internally provided with the first type chamber.
Fig. 6 is the structural schematic diagram that moving-mould-core is provided with edge column mounting hole.
Fig. 7 is the intracavitary structural schematic diagram of second type inlayed column and be placed in cover half core.
Fig. 8 is the schematic diagram of internal structure of cover half core.
Fig. 9 is the structural schematic diagram for inlaying column and cooling water flow conduits and the heating flow channel in mold core.
Figure 10 is the schematic cross-sectional view of the first edge column.
Figure 11 is the structural schematic diagram of the second edge column.
Wherein: 1 moving-mould-core, 2 cover half cores, 3 first edge columns, 4 second edge columns, 5 mandril mounting holes, the installation of 6 hot-runner nozzles
Hole, 7 first type chambers, 8 first edge column mounting holes, 9 second edge column mounting holes, 10 third type chambers, 11 inserts, 12 second type chambers, 13
4th type chamber, 14 heating flow channels, 15 edge column water cooling holes, 16 partitions, 17 gaps, 18 exhaust gaps, 19 type chamber contact surfaces, 100 rails
Away from baffle, 101 first lightening holes, 102 second lightening holes, 103 corners, 201 cooling water flow conduits, 202 conduction oil runners.
Specific embodiment
To keep the purpose of this utility model, technical solution and advantage clearer, combined with specific embodiments below to practical
It is novel to carry out clear, complete description, it is to be understood that term " center ", " vertical ", " transverse direction ", "upper", "lower", " preceding ",
The orientation or positional relationship of the instructions such as " rear ", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" be based on
Orientation or positional relationship shown in the drawings, is merely for convenience of describing the present invention and simplifying the description, rather than instruction or dark
Show that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as pair
The limitation of the utility model.
As illustrated in fig. 1 and 2, it is the structural schematic diagram of 100 different perspectives of gauge apron of WJ8-7 type, is provided with five
A lightening hole, intermediate three the first lightening holes 101, two sides are respectively arranged with second lightening hole 102, the second lightening hole 102
Positioned at the corner of gauge apron 100 103；First lightening hole 101 and the second lightening hole 102 are blind hole.It can be with by Fig. 1 and Fig. 2
Find out, WJ8-7 gauge apron product grammes per square metre is big, wall thickness, and product structure is complicated, therefore cooling time for needing of injection moulding process compared with
It is long.In addition in injection moulding process, due to choking with resentment in mold cavity, cause type chamber corner temperature excessively high, the angle of gauge apron can be made
It burns in portion 103.
A kind of gauge apron injection mold mold core as shown in figs 1-9 comprising moving-mould-core 1, cover half core 2, multiple first
Inlay column 3 and multiple second edge columns 4；The moving-mould-core 1 is mounted on moving mold seat when use, and cover half core 2 is mounted on fixed mold seat
On.
As it can be seen in figures 5 and 6, be provided with more than one first type chamber 7 in the moving-mould-core 1, in the first type chamber 7 in
There are three the first edge column mounting hole 8, two sides are respectively arranged with one second edge column mounting hole 9, also set up on moving-mould-core 1 portion's setting
There are multiple mandril mounting holes 5 communicated with the first type chamber 7；Mandril mounting hole 5 is used for when completing for installing mandril, injection molding
Gauge apron is ejected.
As shown in FIG. 7 and 8, second type chamber 12 corresponding with the first type chamber 7, institute are provided in the cover half core 2
It states and is provided with hot-runner nozzle mounting hole 6 on cover half core 2, the hot-runner nozzle mounting hole 6 and the first type chamber 7 one are a pair of
It answers, hot-runner nozzle mounting hole 6 is communicated with second type chamber 12；Hot-runner nozzle mounting hole 6 is used for installing hot-runner nozzle
Hot flow path injection molding can reduce the process of post-processing and the waste of raw material to avoid the formation of material handle.
As shown in Fig. 3, Fig. 9 and Figure 10, the first edge column 3, the first edge column are fitted in the first edge column mounting hole 8
Edge column water cooling hole 15 is provided in 3, edge column water cooling hole 15 is blind hole, is provided with partition 16 in edge column water cooling hole 15, described
There are the gap 17 for crossing water, the partitions 16 to be divided into column water cooling hole 15 is inlayed into water for the bottom in partition 16 and edge column water cooling hole 15
Hole and apopore, the inlet opening and apopore are connected to cooling water flow conduits 201 respectively；Second edge, 9 interpolation of column mounting hole
Equipped with the second edge column 4.
First type chamber 7 of the moving-mould-core 1, the second type chamber 12, first of cover half core 2 inlay column 3 and the second edge column 4 is common
Constitute the injection die cavities of gauge apron.
If edge is not provided with partition 16 and is directly connected to cooling water flow conduits 201 in column water cooling hole 15, cooling water is being inlayed
It does not circulate in column water cooling hole 15, therefore cooling effect is poor, the time of injection molding can be extended in this way, and be also easy to lead to product
Internal cooling is insufficient after depanning, leads to the problem that product qualification rate is low.The setting of partition 16 can solve the above problem, and make cold
But water adequately flows in edge column water cooling hole 15, improves cooling efficiency.Preferably, the partition 16 is copper partition.In
Adding copper partition in edge column water cooling hole 15 in first edge column 3, it is ensured that the flowing and circulation of water in water route reduce edge column temperature, from
And the cooling, dwell time is reduced, reduce molding cycle.In order to guarantee cooling effect, as a preferred option, each first edge column
3 are all individually connected to an independent cooling water flow conduits 201.
As shown in figure 11, mandril mounting hole 5 is provided on the second edge column 4, second edge, 4 top of column is provided with vertical
The exhaust gap 18 directly extended downwardly, the exhaust gap 18 pass through the mandril mounting hole 5 on the second edge column 4 with its side wall
It is logical；The depth of the exhaust gap 18 is suitable with length of the second edge column 4 in moving-mould-core 1, that is, exhaust gap 18 extends
On to the type chamber contact surface 19 of the second edge column 4 and the first type chamber 7 of the moving-mould-core 1, row can be extended to the greatest extent in this way
Air cleft gap 18, it is ensured that exhaust effect, while the material in injection molding being avoided to flow out from exhaust gap 18；In injection moulding process, injection molding
The hot gas of intracavitary accumulation can be discharged by exhaust gap 18, and when injection molding is completed, mandril stretching ejects product, then be retracted again,
In mandril telescopic process, hot gas can be quickly discharged by exhaust gap 18, reduced ambient temperature, be avoided that the type of pouring in this way
It is intracavitary to choke with resentment, avoid the corner 103 of gauge apron from being burnt.Preferably, the cross section of the exhaust gap 18 is in
" ten " font is uniformly distributed in the surrounding of mandril mounting hole 5 and opens up four exhaust gaps 18.
The moving-mould-core 1 is internally provided with the heating flow channel 14 extended around the first type chamber 7, the heating flow channel 14
It is communicated with conduction oil runner 202, the conduction oil runner 202 is arranged in moving mold seat；It is respectively arranged in the cover half core 2
The heating flow channel 14 extended around the second type chamber 12, the heating flow channel 14 is communicated with conduction oil runner 202, described thermally conductive
Oil stream road 202 is arranged in fixed mold seat；There is the heating flow channel structure communicated, and it adds in moving-mould-core 1 and cover half core 2
Hot flow path is connected to the conduction oil runner being arranged in moving mold seat and fixed mold seat respectively.In order to clearly indicate, Fig. 3,
In Fig. 4 and Fig. 9, the heating flow channel 14, conduction oil runner 202 and cooling water flow conduits 201 are circular tube shaped, in physical device
In, heating flow channel 14 is to process the duct in moving-mould-core 1 and cover half core 2 respectively；Conduction oil runner 202 is to process respectively
Duct in moving mold seat and fixed mold seat, cooling water flow conduits 201 are the ducts processed in the moving mold seat；It is readily appreciated that
, be arranged in the duct manage accordingly it is also possible.
As viewed in figures 5-8, setting corresponds to described the there are two the first type chamber 7 on the moving-mould-core 1 on the cover half core 2
There are two second type chambers 12 for the setting of one type chamber 7；As shown in Figures 3 and 4, the mold core disclosed in the utility model that pours includes two dynamic
Mold core 1 and two cover half cores 2, two moving-mould-cores 1 and two cover half cores 2 and the first edge column 3 and the second edge 4 shape of column
At the injection die cavities of four gauge aprons, make injection core that can once be molded four gauge aprons, realizes that one goes out four effect.
Finally, it should be noted that above embodiments are only to illustrate the technical solution of the utility model, rather than its limitations；
Although the utility model is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that:
It can still modify to technical solution documented by previous embodiment, or be equal to part of technical characteristic
Replacement；And these are modified or replaceed, the utility model embodiment technical solution that it does not separate the essence of the corresponding technical solution
Spirit and scope.
Claims (8)
1. a kind of gauge apron injection mold mold core, characterized in that it comprises: moving-mould-core (1), cover half core (2), the first edge column
(3) and second inlays column (4), is provided with injection die cavities between the moving-mould-core (1) and cover half core (2)；
More than one first type chamber (7) is provided in the moving-mould-core (1), middle part is provided with three in the first type chamber (7)
A first edge column mounting hole (8), two sides are respectively arranged with one second edge column mounting hole (9), are additionally provided on moving-mould-core (1) more
A mandril mounting hole (5) communicated with the first type chamber (7)；
First edge column (3) is inserted into first edge column mounting hole (8), is provided with edge column in first edge column (3)
Water cooling hole (15), edge column water cooling hole (15) are blind hole, are provided with partition (16), the partition in edge column water cooling hole (15)
(16) with the bottom of edge column water cooling hole (15) there are the gap (17) for crossing water, the partition (16) will inlay column water cooling hole (15) and separate
For inlet opening and apopore, the inlet opening and apopore are connected to cooling water flow conduits respectively；
Second edge column (4) is inserted into second edge column mounting hole (9)；
Second type chamber (12) corresponding with the first type chamber (7), the cover half core (2) are provided in the cover half core (2)
On be provided with hot-runner nozzle mounting hole (6), the hot-runner nozzle mounting hole (6) and the first type chamber (7) correspond.
2. a kind of gauge apron injection mold mold core according to claim 1, it is characterised in that: the partition (16) is copper
Matter partition.
3. a kind of gauge apron injection mold mold core according to claim 1, it is characterised in that: second edge column (4)
On be provided with mandril mounting hole (5), it is described second edge column (4) top is provided with the exhaust gap (18) extended vertically downward, institute
Stating exhaust gap (18) penetrates through mandril mounting hole (5) and its side wall on second edge column (4).
4. a kind of gauge apron injection mold mold core according to claim 3, it is characterised in that: the exhaust gap (18)
Cross section be in " ten " font.
5. a kind of gauge apron injection mold mold core according to claim 3, it is characterised in that: the exhaust gap (18)
It extends on the second edge column (4) and the type chamber contact surface (19) of the first type chamber (7).
6. a kind of gauge apron injection mold mold core according to claim 1-5, it is characterised in that: the dynamic model
Core (1) is internally provided with the heating flow channel (14) extended around the first type chamber (7)；It is provided with and encloses in the cover half core (2)
The heating flow channel (14) extended around the second type chamber (12).
7. a kind of gauge apron injection mold mold core according to claim 1-5, it is characterised in that: the dynamic model
Setting correspond to second there are two first type chamber (7) settings on the cover half core (2) there are two the first type chamber (7) on core (1)
Type chamber (12).
8. a kind of gauge apron injection mold mold core according to claim 7, it is characterised in that: including two moving-mould-cores
(1) and two cover half cores (2), two moving-mould-cores (1) and two cover half cores (2) and first edge column (3) and second
The injection die cavities that column (4) form four gauge aprons are inlayed, make injection core that can once be molded four gauge aprons.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920398714.0U CN209718494U (en) | 2019-03-27 | 2019-03-27 | A kind of gauge apron injection mold mold core |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920398714.0U CN209718494U (en) | 2019-03-27 | 2019-03-27 | A kind of gauge apron injection mold mold core |
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| CN209718494U true CN209718494U (en) | 2019-12-03 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109822830A (en) * | 2019-03-27 | 2019-05-31 | 河北铁科翼辰新材科技有限公司 | A kind of gauge apron injection mold mold core and edge column |
-
2019
- 2019-03-27 CN CN201920398714.0U patent/CN209718494U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109822830A (en) * | 2019-03-27 | 2019-05-31 | 河北铁科翼辰新材科技有限公司 | A kind of gauge apron injection mold mold core and edge column |
| CN109822830B (en) * | 2019-03-27 | 2024-03-29 | 河北铁科翼辰新材科技有限公司 | Gauge baffle injection mold core and insert column |
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