CN109822830B - Gauge baffle injection mold core and insert column - Google Patents
Gauge baffle injection mold core and insert column Download PDFInfo
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- CN109822830B CN109822830B CN201910237642.6A CN201910237642A CN109822830B CN 109822830 B CN109822830 B CN 109822830B CN 201910237642 A CN201910237642 A CN 201910237642A CN 109822830 B CN109822830 B CN 109822830B
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- 238000002347 injection Methods 0.000 title claims abstract description 18
- 239000007924 injection Substances 0.000 title claims abstract description 18
- 238000001746 injection moulding Methods 0.000 claims abstract description 36
- 239000000498 cooling water Substances 0.000 claims abstract description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 49
- 238000001816 cooling Methods 0.000 claims description 43
- 125000006850 spacer group Chemical group 0.000 claims description 15
- 238000010438 heat treatment Methods 0.000 claims description 14
- 239000004033 plastic Substances 0.000 claims description 2
- 229920003023 plastic Polymers 0.000 claims description 2
- 239000000463 material Substances 0.000 description 10
- 230000000694 effects Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 238000002425 crystallisation Methods 0.000 description 2
- 230000008025 crystallization Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 239000004677 Nylon Substances 0.000 description 1
- 229920002302 Nylon 6,6 Polymers 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
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- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention relates to a gauge baffle injection mold core and a post insert, which comprise a movable mold core, a fixed mold core, a first post insert and a second post insert, wherein an injection molding cavity is arranged between the movable mold core and the fixed mold core; the movable mold core is internally provided with more than one first cavity, the middle part in the first cavity is provided with three first embedded column mounting holes, two sides of the first embedded column mounting holes are respectively provided with a second embedded column mounting hole, and the movable mold core is also provided with a plurality of ejector rod mounting holes communicated with the first cavity; the first insert column is inserted into the first insert column mounting hole; the second insert column is inserted into the second insert column mounting hole; the fixed mold core is internally provided with a second cavity corresponding to the first cavity, and is provided with hot runner nozzle mounting holes which are in one-to-one correspondence with the first cavity. The embedded columns are a first embedded column and a second embedded column respectively, and a circulating cooling water channel is arranged in the first embedded column; the second insert is provided with an exhaust structure.
Description
Technical Field
The invention relates to the field of injection molds, in particular to an injection mold core for manufacturing a high-speed rail distance baffle plate and a post insert used in the mold core.
Background
The WJ8-7 gauge baffle is one of the nylon parts of the high-speed rail WJ8 fastener, and is required to be made of glass fiber reinforced nylon 66, so that the processing temperature of the material is high, the corrosion and abrasion of a screw rod of a die of equipment are serious, gas is easy to produce in the injection molding process, and the cooling crystallization time is long.
In the prior art, a quickly assembled constant temperature forming die disclosed in Chinese invention patent with patent number 201210201687.6, namely a die for injection molding of WJ8-7 gauge baffle, has the following specific structure: the left mold seat is provided with a left mold core, the right mold seat is provided with a right mold core, the left mold core and the right mold core are respectively provided with a left cavity and a right cavity of a formed product, the side walls and the bottom wall of the left cavity and the right cavity are respectively provided with a plurality of bulges of concave parts on the formed product, the bottom wall of the cavity of the left mold core is provided with more than one mounting hole, each mounting hole is provided with a quick-release plug-in unit extending into the cavity of the left mold core in a positioning way, one mold seat opposite to the mold closing is provided with a positioning pin for positioning, the other mold seat opposite to the mold closing is provided with a positioning hole matched with the positioning pin for positioning, the left mold seat and the right mold seat are respectively provided with more than one circulating channel of cooling medium, and a medium inlet and a medium outlet of the circulating channel are respectively arranged on the same side wall or different side walls of the left mold seat and the right mold seat. The mold is used for injection molding, has the defect of long cooling time, adopts cold runner feeding, has a material handle on a product, and needs later-stage manual treatment, so that the time and raw materials are wasted.
Because the WJ8-7 gauge baffle has large product g and wall thickness, the cooling time in the injection molding process is long, the product structure is complex, the clearance holes are more, the die structure is complex, and air is easy to nest, so that the burnt corner (corner scorch) of the product is caused. As shown in fig. 2, a structural schematic diagram of the WJ8-7 gauge baffle is provided with five lightening holes, and during injection molding, the corner 103 of the gauge baffle is burnt due to excessive temperature of the cavity corner caused by air pockets in the cavity of the mold.
Disclosure of Invention
The technical problem to be solved by the invention is to provide the gauge baffle injection mold core capable of improving the product quality, saving materials and improving the production efficiency and the embedded column used in the mold core.
In order to solve the problems, the invention adopts the following technical scheme:
the key technology of the gauge baffle injection mold core is that the gauge baffle injection mold core comprises: the injection molding die comprises a movable die core, a fixed die core, a first embedded column and a second embedded column, wherein an injection molding cavity is arranged between the movable die core and the fixed die core;
more than one first cavity is arranged in the movable mold core, three first post-embedding mounting holes are formed in the middle of the first cavity, two second post-embedding mounting holes are respectively formed in two sides of the first cavity, and a plurality of ejector rod mounting holes communicated with the first cavity are further formed in the movable mold core;
the first insert column is inserted into the first insert column mounting hole; the second insert column is inserted into the second insert column mounting hole;
the fixed die core is internally provided with a second cavity corresponding to the first cavity, the fixed die core is provided with hot runner nozzle mounting holes, and the hot runner nozzle mounting holes are in one-to-one correspondence with the first cavity.
As a further improvement of the invention, the first embedded column is internally provided with an embedded column water cooling hole which is a blind hole, the embedded column water cooling hole is internally provided with a spacer, a gap for water to flow is reserved between the spacer and the bottom of the embedded column water cooling hole, the spacer divides the embedded column water cooling hole into a water inlet hole and a water outlet hole, and the water inlet hole and the water outlet hole are respectively communicated with a cooling water flow channel
As a further improvement of the invention, the second insert column is provided with a mandril mounting hole, the upper part of the second insert column is provided with a vertically downward extending exhaust gap, and the exhaust gap enables the mandril mounting hole on the second insert column to be communicated with the side wall of the mandril mounting hole.
As a further improvement of the invention, a heating runner extending around the first cavity is arranged inside the movable mould core; and a heating runner extending around the second cavity is arranged in the fixed die core.
As a further improvement of the invention, the movable mold core is provided with two first cavities, and the fixed mold core is provided with two second cavities corresponding to the first cavities.
As a further improvement of the invention, the injection molding mold comprises two movable mold cores and two fixed mold cores, and injection molding cavities of the two movable mold cores and the two fixed mold cores as well as the first insert column and the second insert column, so that the injection molding mold cores can perform injection molding of four gauge baffles at a time.
The utility model provides a post is inlayed to it includes first post that inlays, its key technique lies in: the novel water-cooling structure is characterized in that a column-inlaid water-cooling hole is formed in the first column-inlaid water-cooling hole and is a blind hole, a spacer is arranged in the column-inlaid water-cooling hole, a gap for water to flow is reserved at the bottom of the column-inlaid water-cooling hole, and the spacer divides the column-inlaid water-cooling hole into a water inlet hole and a water outlet hole.
The embedded column comprises a second embedded column, and the key technology is as follows: the second insert column is provided with a push rod mounting hole, the upper part of the second insert column is provided with an exhaust gap which extends vertically downwards, and the exhaust gap enables the push rod mounting hole on the second insert column to be communicated with the side wall of the push rod mounting hole.
As a further improvement of the invention, the cross section of the exhaust gap is cross-shaped.
As a further development of the invention, the vent gap extends to the cavity contact surface of the second insert pin with the injection cavity.
The beneficial effects of adopting above-mentioned technical scheme to produce lie in:
according to the mold core provided by the invention, the hot runner injection molding is adopted, so that the formation of a material handle during injection molding can be avoided, the material is saved, the operation of removing the material handle after the product is demolding is omitted, the labor cost is saved, and the production efficiency is improved.
In the mold core provided by the invention, the first embedded column in the middle is provided with the embedded column water cooling hole, the embedded column water cooling hole is internally provided with the water inlet hole and the water outlet hole which are used for dividing the water cooling hole into the water inlet hole and the water outlet hole, and the water inlet hole and the water outlet hole are respectively communicated with the cooling water flow channel, so that cooling water can fully flow in the embedded column water cooling hole, the gauge baffle plate can be cooled quickly, the cooling crystallization time of a product is shortened, the injection molding process period is shortened, and the product cost is saved.
According to the actual injection molding process of a workshop, the circulation period of the original injection mold is 187 seconds, and as the workshop is 24-hour continuous production, 462 times of circulation of the original injection mold can be calculated in 24 hours, and the mold is one out of four, so that 1848 blocks of products can be injected; after the first embedded column structure is improved, the cooling time is greatly shortened, the cycle period of the injection molding of the mold is 170 seconds, 2032 blocks of injection-molded products in 24 hours are calculated in the same way, and the production efficiency is improved by 9.96%.
In addition, because the WJ8-7 gauge baffle plate has large product g and wall thickness and large material internal stress, surface layer cooling can often occur after the product is ejected from a die, but the inside is still in a molten state, and in such a case, the product can be discharged from a lightening hole, so that waste products are generated. Through improving the post of inlaying, not only shortened the cycle of moulding plastics, raise the efficiency to can effectually overcome above-mentioned problem, make the inside of product obtain fully cooling, avoid the product to emit the material after the demolding, reduce the rejection rate.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present invention, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
FIGS. 1 and 2 are schematic illustrations of the structure of WJ8-7 gage baffle from different viewing angles.
Fig. 3 is a schematic view of the structure of the movable mold core in the mold closing state.
Fig. 4 is a schematic view of the structure of the side of the stationary mold core in the mold-closed state.
Fig. 5 is a schematic structural view of a movable mold core with a first cavity disposed therein.
Fig. 6 is a schematic view of a structure in which a movable mold core is provided with a post-inserting mounting hole.
Fig. 7 is a schematic view of the structure of the insert post placed in the second cavity of the stationary mold core.
Fig. 8 is a schematic view of the internal structure of the stationary mold core.
Fig. 9 is a schematic view of the structure of the insert pin and the cooling water flow passage and the heating flow passage in the mold core.
Fig. 10 is a schematic cross-sectional view of a first insert.
Fig. 11 is a schematic structural view of the second insert.
Wherein: 1 moving mold core, 2 fixed mold core, 3 first insert column, 4 second insert column, 5 ejector rod mounting hole, 6 hot runner nozzle mounting hole, 7 first cavity, 8 first insert column mounting hole, 9 second insert column mounting hole, 10 third cavity, 11 insert block, 12 second cavity, and 13 fourth cavity, 14 heating runner, 15 column insert water cooling hole, 16 spacer, 17 gap, 18 exhaust gap, 19 cavity contact surface, 100 gauge baffle, 101 first lightening hole, 102 second lightening hole, 103 corner, 201 cooling water runner, 202 conduction oil runner.
Detailed Description
For the purposes of clarity, technical solutions and advantages of the present invention, the following description will be made in detail with reference to specific embodiments, it should be understood that the terms "center," "vertical," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," etc. are used for convenience of description and for simplifying the description, but do not indicate or imply that the apparatus or elements to be referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the invention.
As shown in fig. 1 and 2, the structure of the WJ8-7 type gauge baffle 100 at different angles is schematically shown, five lightening holes are formed in the structure, three first lightening holes 101 in the middle are formed in the structure, two second lightening holes 102 are formed in two sides of the first lightening holes, and the second lightening holes 102 are located at corners 103 of the gauge baffle 100; the first lightening hole 101 and the second lightening hole 102 are blind holes. It can be seen from fig. 1 and 2 that the WJ8-7 gauge baffle has a large product gram, a wall thickness, and a complex product structure, and thus requires a long cooling time for the injection molding process. In addition, during the injection molding process, the corner 103 of the gage baffle may be burned due to excessive cavity temperature caused by air pockets in the mold cavity.
1-9, a gauge baffle injection mold core comprises a movable mold core 1, a fixed mold core 2, a plurality of first insert columns 3 and a plurality of second insert columns 4; when in use, the movable mold core 1 is arranged on a movable mold seat, and the fixed mold core 2 is arranged on a fixed mold seat.
As shown in fig. 5 and 6, the movable mold core 1 is provided with more than one first cavity 7, the middle part in the first cavity 7 is provided with three first post-inserting mounting holes 8, two sides are respectively provided with a second post-inserting mounting hole 9, and the movable mold core 1 is also provided with a plurality of ejector rod mounting holes 5 communicated with the first cavity 7; the ejector rod mounting holes 5 are used for mounting ejector rods and ejecting the gauge baffle plates when injection molding is completed.
As shown in fig. 7 and 8, a second cavity 12 corresponding to the first cavity 7 is arranged in the fixed mold core 2, hot runner nozzle mounting holes 6 are arranged on the fixed mold core 2, the hot runner nozzle mounting holes 6 are in one-to-one correspondence with the first cavity 7, and the hot runner nozzle mounting holes 6 are communicated with the second cavity 12; the hot runner nozzle mounting holes 6 are used for mounting hot runner nozzles, and hot runner injection molding is adopted, so that the formation of material handles can be avoided, and the waste of post-treatment procedures and raw materials is reduced.
As shown in fig. 3, 9 and 10, the first insert 3 is inserted into the first insert mounting hole 8, an insert water cooling hole 15 is provided in the first insert 3, the insert water cooling hole 15 is a blind hole, a spacer 16 is provided in the insert water cooling hole 15, a gap 17 for water is left between the spacer 16 and the bottom of the insert water cooling hole 15, the spacer 16 separates the insert water cooling hole 15 into a water inlet hole and a water outlet hole, and the water inlet hole and the water outlet hole are respectively communicated with the cooling water flow channel 201; the second insert 4 is inserted into the second insert mounting hole 9.
The first cavity 7 of the movable mold core 1, the second cavity 12 of the fixed mold core 2, the first insert post 3 and the second insert post 4 jointly form an injection molding cavity of the gauge baffle plate.
If the insert column water cooling hole 15 is directly communicated with the cooling water flow channel 201 without the spacer 16, cooling water does not flow in the insert column water cooling hole 15, so that the cooling effect is poor, the injection molding time can be prolonged, insufficient internal cooling after the product is ejected from the mold is easily caused, and the problem of low product yield is caused. The spacer 16 can solve the above problem, and the cooling water can sufficiently flow in the column water cooling holes 15, thereby improving the cooling efficiency. Preferably, the spacer 16 is a copper spacer. Copper spacers are added in the water cooling holes 15 of the first insert column 3, so that the flow and circulation of water in a waterway are ensured, the temperature of the insert column is reduced, the cooling and pressure maintaining time is shortened, and the molding cycle is shortened. To ensure the cooling effect, each first insert 3 is preferably in communication with a separate cooling water flow channel 201.
As shown in fig. 11, the second insert 4 is provided with a top rod mounting hole 5, the upper portion of the second insert 4 is provided with a vertically downward extending exhaust gap 18, and the exhaust gap 18 enables the top rod mounting hole 5 on the second insert 4 to be communicated with the side wall thereof; the depth of the exhaust gap 18 is equivalent to the length of the second insert column 4 embedded in the movable mold core 1, namely, the exhaust gap 18 extends to the cavity contact surface 19 of the second insert column 4 and the first cavity 7 of the movable mold core 1, so that the exhaust gap 18 can be prolonged to the greatest extent, the exhaust effect is ensured, and meanwhile, the material is prevented from flowing out of the exhaust gap 18 during injection molding; in the injection molding process, hot air accumulated in the injection molding cavity can be discharged through the exhaust gaps 18, when injection molding is completed, the ejector rod stretches out to eject a product, then the ejector rod stretches back, in the ejector rod stretching process, the hot air can be rapidly discharged through the exhaust gaps 18, the surrounding temperature is reduced, thus the casting of air in the cavity can be avoided, and the corner 103 of the gauge baffle is prevented from being burnt. As a preferable scheme, the cross section of the exhaust gap 18 is in a cross shape, that is, four exhaust gaps 18 are uniformly distributed around the ejector rod mounting hole 5.
A heating runner 14 extending around the first cavity 7 is arranged in the movable mold core 1, the heating runner 14 is communicated with a heat conducting oil runner 202, and the heat conducting oil runner 202 is arranged in a movable mold seat; the fixed mold core 2 is respectively provided with a heating runner 14 extending around the second cavity 12, the heating runner 14 is communicated with a heat conducting oil runner 202, and the heat conducting oil runner 202 is arranged in a fixed mold seat; namely, the movable mold core 1 and the fixed mold core 2 are internally provided with a communicated heating runner structure, and the heating runners are respectively communicated with heat conduction oil runners arranged in the movable mold seat and the fixed mold seat. For clarity, in fig. 3, 4 and 9, the heating runner 14, the conduction oil runner 202 and the cooling water runner 201 are all circular tubes, and in practical equipment, the heating runner 14 is a duct formed in the movable mold core 1 and the fixed mold core 2 respectively; the heat conducting oil flow channel 202 is a pore channel respectively processed in the movable mould seat and the fixed mould seat, and the cooling water flow channel 201 is a pore channel processed in the movable mould seat; it will be readily appreciated that it is also possible to provide corresponding tubes within the tunnel.
As shown in fig. 5-8, the movable mold core 1 is provided with two first mold cavities 7, and the fixed mold core 2 is provided with two second mold cavities 12 corresponding to the first mold cavities 7; as shown in fig. 3 and 4, the pouring mold core disclosed by the invention comprises two movable mold cores 1 and two fixed mold cores 2, the two movable mold cores 1 and the two fixed mold cores 2, and the first insert column 3 and the second insert column 4 form an injection molding cavity of four gauge baffles, so that the injection molding mold core can perform injection molding of four gauge baffles at a time, and a four-out effect is realized.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and are not limiting; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims (6)
1. The utility model provides a gauge baffle injection mold core which characterized in that, it includes: the injection molding die comprises a movable die core (1), a fixed die core (2), a first embedded column (3) and a second embedded column (4), wherein an injection molding cavity is arranged between the movable die core (1) and the fixed die core (2);
more than one first cavity (7) is arranged in the movable mold core (1), three first column inserting mounting holes (8) are formed in the middle of the first cavity (7), two second column inserting mounting holes (9) are respectively formed in two sides of the first cavity, and a plurality of ejector rod mounting holes (5) communicated with the first cavity (7) are further formed in the movable mold core (1);
the first insert column (3) is inserted into the first insert column mounting hole (8); the second insert column (4) is inserted into the second insert column mounting hole (9);
a second cavity (12) corresponding to the first cavity (7) is arranged in the fixed mold core (2), a hot runner nozzle mounting hole (6) is formed in the fixed mold core (2), and the hot runner nozzle mounting holes (6) are in one-to-one correspondence with the first cavity (7);
the second embedded column (4) is provided with a mandril mounting hole (5), the upper part of the second embedded column (4) is provided with an exhaust gap (18) which extends vertically downwards, and the exhaust gap (18) enables the mandril mounting hole (5) on the second embedded column (4) to be communicated with the side wall of the mandril mounting hole; the cross section of the exhaust gap (18) is cross-shaped; the exhaust gap (18) extends to a cavity contact surface (19) of the second insert column (4) and the injection molding cavity.
2. The gage baffle injection mold core of claim 1, wherein: the novel water cooling device is characterized in that a column inserting water cooling hole (15) is formed in the first column inserting (3), the column inserting water cooling hole (15) is a blind hole, a spacer (16) is arranged in the column inserting water cooling hole (15), a water passing gap (17) is reserved between the spacer (16) and the bottom of the column inserting water cooling hole (15), the spacer (16) divides the column inserting water cooling hole (15) into a water inlet hole and a water outlet hole, and the water inlet hole and the water outlet hole are respectively communicated with a cooling water channel.
3. The gage baffle injection mold core of claim 1 or 2, wherein: a heating runner (14) extending around the first cavity (7) is arranged in the movable mould core (1); a heating runner (14) extending around the second cavity (12) is arranged in the fixed die core (2).
4. The gage baffle injection mold core of claim 1 or 2, wherein: two first cavities (7) are formed in the movable mold core (1), and two second cavities (12) are formed in the fixed mold core (2) corresponding to the first cavities (7).
5. The gage baffle injection mold core of claim 4, wherein: the novel plastic injection mold comprises two movable mold cores (1) and two fixed mold cores (2), wherein the two movable mold cores (1) and the two fixed mold cores (2) and a first insert column (3) and a second insert column (4) form an injection molding cavity of four gauge baffles, so that the injection molding mold cores can be used for injecting the four gauge baffles at one time.
6. Insert comprising a second insert (4), characterized in that: the second embedded column (4) is provided with a mandril mounting hole (5), the upper part of the second embedded column (4) is provided with an exhaust gap (18) which extends vertically downwards, and the exhaust gap (18) enables the mandril mounting hole (5) on the second embedded column (4) to be communicated with the side wall of the mandril mounting hole;
the cross section of the exhaust gap (18) is cross-shaped;
the exhaust gap (18) extends to a cavity contact surface (19) of the second insert column (4) and the injection molding cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910237642.6A CN109822830B (en) | 2019-03-27 | 2019-03-27 | Gauge baffle injection mold core and insert column |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910237642.6A CN109822830B (en) | 2019-03-27 | 2019-03-27 | Gauge baffle injection mold core and insert column |
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| CN109822830A CN109822830A (en) | 2019-05-31 |
| CN109822830B true CN109822830B (en) | 2024-03-29 |
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| CN201910237642.6A Active CN109822830B (en) | 2019-03-27 | 2019-03-27 | Gauge baffle injection mold core and insert column |
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| CN110576576A (en) * | 2019-10-21 | 2019-12-17 | 华域视觉科技(上海)有限公司 | mould with following shape water route cooling structure |
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| JP2005296972A (en) * | 2004-04-07 | 2005-10-27 | Fuji Heavy Ind Ltd | Cooling structure for die |
| CN201437269U (en) * | 2009-09-01 | 2010-04-14 | 恒毅模具注塑(深圳)有限公司 | Injection mold with ultrashort-cycle molding |
| CN102717457A (en) * | 2012-06-15 | 2012-10-10 | 浙江省天台祥和实业有限公司 | Temperature keeping forming mold fast to assemble |
| CN203567140U (en) * | 2013-09-26 | 2014-04-30 | 浙江工商职业技术学院 | Cooling system of injection mold for front fog lamp welding bracket |
| CN207711210U (en) * | 2017-12-29 | 2018-08-10 | 青岛鼎鑫精密模具有限公司 | A kind of insert structure being provided with air discharge duct |
| CN209718494U (en) * | 2019-03-27 | 2019-12-03 | 河北铁科翼辰新材科技有限公司 | A kind of gauge apron injection mold mold core |
-
2019
- 2019-03-27 CN CN201910237642.6A patent/CN109822830B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005296972A (en) * | 2004-04-07 | 2005-10-27 | Fuji Heavy Ind Ltd | Cooling structure for die |
| CN201437269U (en) * | 2009-09-01 | 2010-04-14 | 恒毅模具注塑(深圳)有限公司 | Injection mold with ultrashort-cycle molding |
| CN102717457A (en) * | 2012-06-15 | 2012-10-10 | 浙江省天台祥和实业有限公司 | Temperature keeping forming mold fast to assemble |
| CN203567140U (en) * | 2013-09-26 | 2014-04-30 | 浙江工商职业技术学院 | Cooling system of injection mold for front fog lamp welding bracket |
| CN207711210U (en) * | 2017-12-29 | 2018-08-10 | 青岛鼎鑫精密模具有限公司 | A kind of insert structure being provided with air discharge duct |
| CN209718494U (en) * | 2019-03-27 | 2019-12-03 | 河北铁科翼辰新材科技有限公司 | A kind of gauge apron injection mold mold core |
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| CN109822830A (en) | 2019-05-31 |
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