CN203752426U - Thin-walled injection mold - Google Patents
Thin-walled injection mold Download PDFInfo
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- CN203752426U CN203752426U CN201420091805.7U CN201420091805U CN203752426U CN 203752426 U CN203752426 U CN 203752426U CN 201420091805 U CN201420091805 U CN 201420091805U CN 203752426 U CN203752426 U CN 203752426U
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Abstract
The utility model discloses a thin-walled injection mold which comprises a front mold assembly, a rear mold assembly, a separation system, a cooling system and a heating control module, wherein the separation system is used for separating the cooling system from a mold kernel; the rear mold assembly comprises a rear mold kernel, a mold base plate B, a rear mold insert and a cavity volume adjustment system, the cavity volume adjustment system is arranged on the mold base plate B, and used for enabling the rear mold insert and the rear mold kernel to have a relative motion so as to adjust the volume of a cavity; the heating control module is used for heating the cavity and controlling the temperature of the cavity. The thin-walled injection mold disclosed by the utility model has the advantages that obtained large-area thin-walled plastic parts are good in compact and filling effects, have no weld marks on the surfaces, and have no gas marks, thereby achieving a surface highlight and spraying-free effect.
Description
Technical field
The utility model relates to injection mo(u)lding field, relates in particular to a kind of thin-walled plastic injection mold that can manufacture large area thin-walled plastic parts.
Background technology
The products such as existing mobile phone, notebook, panel computer all present lightening trend, relevant plastic cement structural member thickness is more and more thinner, the thickness of large area plastic cement structural member is generally all more than 0.7mm at present, large area plastic cement structural member lower than this thickness is generally all difficult to fill completely and causes product starved, and there is the undesirable elements such as weld mark, surperficial gas line, tired gas in surface, cannot reach surperficial high light effect.
Utility model content
The purpose of this utility model is to propose a kind of thin-walled plastic injection mold, and to solve, the thin-walled plastic parts filling effect that existing mould manufactures is poor, starved, rough problem.
The utility model provides following technical scheme:
A thin-walled plastic injection mold, comprises front membrane module, piece-rate system, cooling system, heating control module and rear membrane module, and described front membrane module comprises front cavity, and described rear membrane module comprises rear cavity; Described cooling system comprises cooling block, is provided with pipeline and circulates for liquid circulation in described cooling block; Described piece-rate system is located at described front cavity bottom, by described piece-rate system, makes described front cavity separated with cooling system; Described rear membrane module also comprises mold base B plate, rear mold mold insert and die cavity capacity adjustment System, and described die cavity capacity adjustment System is located on described mold base B plate, for making, between described rear mold mold insert and described rear cavity, relative motion occurs to adjust die cavity capacity; Described heating control module comprises temperature-sensitive system, temperature control system and heating system, and described temperature control system is connected with heating system with temperature-sensitive system respectively; Described heating system is distributed in described front cavity and/or described rear cavity, for heating to die cavity, described temperature-sensitive system contacts with die cavity, and for obtaining the temperature of described die cavity and transferring to described temperature control system, described temperature control system is for controlling the work of described heating system.In this programme, first that cooling system is separated with front cavity before mould matched moulds, by heating control module, to mold cavity, heat, can be so that die cavity temperature reaches the fusion point of moulding material before matched moulds, to create the condition of high-temperature molding, to obtain ganoid large area thin-walled plastic parts, by die cavity capacity adjustment System, adjust die cavity capacity, can make mold cavity volume be greater than product volume, after matched moulds, still leave the die cavity capacity larger than product volume, thereby can inject the fused raw material more than product volume, the clamping pressure of follow-up use injection machine pushes die cavity again, adjust die cavity capacity to equaling product volume, and after extruding, sizing material is able to fully, fills equably, and surface effect is good, and the plastic parts hardness obtaining is high, and surface is difficult for scratching and wearing and tearing, and by extruding, has also reduced product internal stress, makes product not yielding.Thereby obtain densification, large area thin-wall product that hardness is high, and filling effect is good, smooth surface, weldless trace, without gas line, reach the effect that high light is exempted from spraying.
Preferably, described front membrane module also comprises mold base A plate, panel, the first thermal insulation board and the second thermal insulation board, described cooling system is connected with described panel, described panel is for securing to an injection machine by described front membrane module, described front cavity is connected with described mold base A plate, described the first thermal insulation board is located between described panel and described mold base A plate, and described the second thermal insulation board is located on described panel, for intercepting the heat from injection machine.Cooling system is connected with panel, be that panel is cold, mold base A plate is connected with front cavity, be front cavity while being heated mold base A plate be also hot, the first thermal insulation board is located between panel and mold base A plate, on the cooling system basis separated with front cavity, played further heat insulation effect, guaranteed that heating system can not be subject to the impact of low-temperature receiver when heating to die cavity, can be rapidly heated.
Preferably, described piece-rate system comprises the first spring, the first guide pillar and the first limited block, described the first spring is positioned at described front cavity bottom, described front cavity is ejected described front cavity and described cooling system is separated before mould matched moulds, described the first guide pillar is arranged on described mold base A plate, for described front cavity is ejected to guiding, described the first limited block is for limiting the ejection distance of described front cavity.
Preferably, described die cavity capacity adjustment System comprises the second spring, the second guide pillar and the second limited block, described the second spring is positioned at described rear cavity bottom, described rear cavity is upspring before matched moulds, make described rear cavity and described rear mold mold insert generation relative motion, increase die cavity capacity, described the second guide pillar is arranged on described mold base B plate, and for guiding that described rear cavity is upspring, described the second limited block is for limiting the distance of upspringing of described rear cavity.
Preferably, described temperature control system is located on described mold base A plate, have heating gauge tap and temperature control box, the die cavity temperature of wanting to reach by described temperature control box setting or the heat time of heating system, described heating gauge tap is for controlling the break-make of described heating system.
Preferably, described mold base A plate is provided with matched moulds inductive needle, and described matched moulds inductive needle one end contacts with described heating gauge tap, and the other end contacts with described rear membrane module when mould matched moulds; Described in during die sinking, matched moulds inductive needle is upspring, and makes described heating gauge tap in the state of upspringing, and makes described heating system start heating; Described in during matched moulds, matched moulds inductive needle is pressed described heating gauge tap is depressed, and described heating system stops heating.
Preferably, described heating system is electrically heated rod, and described electrically heated rod is arranged in the position in described die cavity with Surface Appearance.
Preferably, described rear membrane module also comprises base plate, and described base plate is provided with square iron to support described mold base B plate.
Preferably, described rear membrane module also comprises ejection system, and described ejection system comprises and eject base plate, eject panel and push rod, and described push rod one end ejects on base plate described in being fixed on, and the other end connects described rear mold mold insert; The described panel that ejects ejects on base plate described in being positioned at, the described panel that ejects is provided with rear mold support column and ejecting limit block, described rear mold support column is in order to support described rear cavity, and described ejecting limit block is for limiting the distance that described push rod ejects described rear mold mold insert.
In sum, the thin-walled plastic injection mold that the utility model provides at least has following beneficial effect: the large area thin-walled plastic parts of injection mo(u)lding, and filling effect is good, and product is starved not, and high density, hardness are good.
Accompanying drawing explanation
Fig. 1 is the thin-walled plastic injection mold of the utility model embodiment front mould modular construction schematic diagram when die opening state;
Fig. 2 is the thin-walled plastic injection mold of the utility model embodiment rear mold modular construction schematic diagram when die opening state;
Fig. 3 is another structural representation of front membrane module of the thin-walled plastic injection mold of the utility model embodiment;
Fig. 4 is front membrane module in Fig. 1 structural representation when final matched moulds;
Fig. 5 is rear membrane module in Fig. 2 structural representation when final matched moulds;
Fig. 6 is the process chart that the thin-walled plastic injection mold of employing the present embodiment is prepared thin-walled plastic parts;
Fig. 7 is the thin-walled plastic injection mold of the utility model embodiment structural representation under die opening state.
Description of reference numerals:
11 front cavitys, 12 mold base A plates, 13 panels, 14 first thermal insulation boards, 15 second thermal insulation boards;
21 rear cavities, 22 mold base B plates, 23 rear mold mold inserts, 24 rear mold support members, 25 square iron, 26 bases;
31 first springs, 32 first guide pillars, 33 first limited blocks;
40 cooling systems;
51 temperature-sensitive systems, 52 temperature control systems, 53 heating systems, 54 matched moulds inductive needles;
521 heating gauge taps;
61 second springs, 62 second guide pillars, 63 second limited blocks, 64 guide pillar briquettings;
71 push rods, 72 thimble panels, 73 Ejector Retainer Plates;
81 sprue bushings, 82 locating rings.
The specific embodiment
Preferred embodiment the utility model is described in further detail to contrast accompanying drawing combination below.
Concept definition:
The bottom of front cavity: refer to a side relative with the formed product contact-making surface of front cavity, away from a side of die cavity.
The bottom of rear cavity: refer to a side relative with the formed product contact-making surface of rear cavity, away from a side of die cavity.
The thin-walled plastic injection mold that the present embodiment provides as shown in Figure 7, this thin-walled plastic injection mold comprises front membrane module, rear membrane module, piece-rate system, cooling system and heating control module, in conjunction with Fig. 1 to Fig. 5, wherein piece-rate system, cooling system and heating control module are all arranged on front membrane module again.
As shown in Figure 1: described front membrane module comprises front cavity 11, mold base A plate 12, panel 13, the first thermal insulation board 14 and the second thermal insulation board 15; Described piece-rate system is located at the bottom of described front cavity 11, for making described front cavity 11 separated with cooling system 40, in the present embodiment, this piece-rate system comprises the first spring 31, the first guide pillar 32 and the first limited block 33; Described the first spring 31 is positioned at the bottom of described front cavity 11, its one end and front cavity 11 butts, other end butt mold base A plate 12; Described the first guide pillar 32 is installed on described mold base A plate 12, front cavity is provided with the pilot hole suitable with the first guide pillar 32, the first guide pillar 32 by its one end be tight against described the first thermal insulation board 14, the other end install described the first limited block 33, the first guide pillars 32 through the pilot hole in front cavity 11 to lead when described front cavity 11 motion.Preferably, the two ends of described front cavity bottom are respectively equipped with a set of aforesaid piece-rate system.When mould is during in die opening state, under the effect of described the first spring 31, thereby being ejected, described front cavity 11 leaves described cooling system 40, and the ultimate range of ejection is by described the first limited block 33 restrictions, described cooling system 40 is fixed on described panel 13, therefore described panel 13 belongs to low-temperature receiver together, described front cavity 11 is connected with described mold base A plate 12, therefore described mold base A plate also needs and cooling system 40(or low-temperature receiver) isolation, because described mold base A plate 12 is to need to lock on described panel 13, so be provided with described the first thermal insulation board 14 between described mold base A plate 12 and described panel 13, again because described panel 13 needs locking on injection machine, and injection machine is hot, so be provided with described the second thermal insulation board 15 between described panel 13 and injection machine (not shown), so, just can so that mould before matched moulds, low-temperature receiver and thermal source do not interfere with each other.
As shown in figures 1 and 3, wherein Fig. 3 is that described heating control module comprises temperature-sensitive system 51, temperature control system 52 and heating system 53 for another structural representation of the positional structure of heating control module described in described front membrane module is described.As shown in Figure 1, described temperature-sensitive system 51 is located in described front cavity 11, can sensing type cavity temperature; Described heating system 53 is located in front cavity 11, and location optimization is too not near by described temperature-sensitive system 51, in order to avoid temperature-sensitive system 51 is subject to the impact of heating system 53; As shown in Figure 3, described temperature control system 52 is located on described mold base A plate 12, and have heating gauge tap 521 and temperature control box (not shown), described temperature control box is used for regulating and controlling heating-up temperature and/or heat time, and described heating gauge tap 521 is for controlling the break-make of described heating system 53.
As shown in Fig. 2,5, described rear membrane module comprises rear cavity 21, mold base B plate 22, rear mold mold insert 23, rear mold support column 24, square iron 25, base 26 and die cavity capacity adjustment System, described rear cavity 21 is connected with described mold base B plate 22, mold base B plate described in described rear mold support column 24 one end butts, described in other end butt, base 26, and described square iron 25 is for supporting mold base B plate 22; Described die cavity capacity adjustment System is for making described rear cavity and described rear mold mold insert generation relative motion described rear cavity is upspring before matched moulds, increase die cavity capacity, this die cavity capacity adjustment System comprises the second spring 61, the second guide pillar 62 and the second limited block 63; Described the second spring 61 is located at the bottom of described rear cavity 21, its one end and described rear cavity 21 butts, and the other end is connected on described mold base B plate 22; Described the second guide pillar 62 is installed on described mold base B plate, and one end is fixed on described mold base B plate bottom by guide pillar briquetting 64, and the other end is provided with described the second limited block 63; Rear cavity 21 is provided with the guide hole suitable with described the second guide pillar, and rear cavity logical 21 is set on the second guide pillar 62 by guide hole, thereby carries out motion guide by the second guide pillar 62, and is undertaken spacing by the second limited block 63.
See again Fig. 2, in Fig. 2, also shown the ejection system of mould, described ejection system comprises push rod 71, thimble panel 72 and Ejector Retainer Plate 73, need explanation, after moulding is cooling, during mould die sinking, during due to described push rod 71 pushing-off product, by by described rear mold mold insert 23 jack-up and pushing-off product, so rear mold mold insert 23 also can be can be regarded as parts of described ejection system.Described rear mold mold insert 23 fastens with described push rod 71, and push rod 71 ejects guide effect by described mold base B plate via hole to play simultaneously, and is assemblied between thimble panel 72 and Ejector Retainer Plate 73, and thimble panel 72 passes through screw locking with Ejector Retainer Plate 73.
Fig. 3 is another structural representation of front membrane module, as shown in Figure 3, the sprue bushing 81 of the running gate system of mould leads to die cavity through described front cavity 11, described sprue bushing 81 is fixed on described panel 13 by locating ring 82, and by the location of described locating ring 82, guarantee that described sprue bushing 81 aims at the nozzle of injection machine, to inject accurately.
The present embodiment also provides a kind of preparation method of thin-walled plastic parts, and as shown in Figure 6, this preparation method mainly comprises tetra-steps of following S1～S4 to the process chart of the method:
Before S1, matched moulds: make cooling system and front cavity, rear cavity separated; Make rear cavity and rear mold mold insert generation relative motion, increase die cavity capacity to be greater than plastic parts volume to be prepared; To thering is the position of plastic parts appearance in front cavity and rear cavity, be heated to more than temperature reaches plastic melting melting point.
S2, first matched moulds: front cavity and rear cavity are carried out to incomplete matched moulds to die cavity and seal, and keep die cavity capacity to be still greater than described plastic parts volume;
S3, injection: molten plastic is expelled to the sealing die cavity that step S2 forms, and injection volume is greater than described plastic parts volume;
S4, final matched moulds: adopt the clamping pressure extruding die cavity of injection machine, for example, adopt the injection machine clamping pressure of 100 tonnages to push, make front cavity and rear cavity matched moulds to die cavity capacity equal described plastic parts volume; Cooling system contacts with front cavity, rear cavity.
The thin-walled plastic injection mold providing based on the present embodiment, the case of preparing a kind of plastic parts by above-mentioned preparation method is as follows, and this plastic parts only has appearance on the die cavity of front cavity, and rear cavity is without appearance, so heating and cooling are mainly for front cavity:
In conjunction with Fig. 1 and Fig. 6, describe, before mould matched moulds: the first spring 31 of piece-rate system in the raw, front cavity 11 is ejected certain distance by the first spring 31, as can be seen from Figure 1, between front cavity 11 and cooling system 40, have a segment distance, so front cavity 11 is able to separated with cooling system 40.For rear membrane module, the second spring 61 of die cavity capacity adjustment System in the raw, rear cavity 21 is ejected certain distance by the second spring 61, as seen from Figure 2, rear cavity 21 exceeds distance H 1 than rear mold mold insert 23, the die cavity capacity of this height difference H 1 correspondence is to be greater than plastic parts volume to be prepared, suppose that described plastic parts volume is V, regular situation (being common die) die cavity capacity correspondence is also V, in the utility model mould, the die cavity capacity V1 of height difference H 1 correspondence in Fig. 2 can be 1.5 times～2 times of plastic parts volume V, but be not limited to this, as long as die opening state lower impressions capacity is greater than plastic parts volume.The 53 pairs of front cavitys 11 of heating system that are provided with by front cavity 11 heat, be heated to the die cavity in front cavity 11(or front cavity) more than temperature reaches the raw-material fusion point for the treatment of injection mo(u)lding, in order to save the energy, as long as be heated to fusion point and keep this temperature.By temperature control box, setting temperature or the heat time that will reach, can be sensing rod for temperature or temperature sensor etc. by being provided with temperature-sensitive system 51(in the die cavity in front cavity 11), Real-Time Monitoring heating-up temperature.As shown in Figure 3, described heating control module also comprises matched moulds inductive needle 54, be located on described mold base A plate, during mould matched moulds, this matched moulds inductive needle 54 is subject to the extruding of described rear membrane module and then described heating gauge tap 521 is produced to extruding, thereby the power supply that heating gauge tap 521 cuts off heating system, make described heating system stop heating, while can be designed as first matched moulds herein, just stop heating, in the time of also can being designed to final matched moulds, just stop heating.When mould die sinking, described matched moulds inductive needle 54 is pressurized and upspringing no longer, thus described heating gauge tap 521 also upspring, make described heating system 53 start heating.Need explanation, the signal that heating system 53 stops heating stopping during except the aforementioned matched moulds of mentioning heating, also has the another kind of signal that stops heating: if described temperature-sensitive system 51 detects the heating-up temperature that temperature reaches setting before matched moulds, or reach the heat time of setting, heating system also can stop heating.
After above-mentioned preparation puts in place, can carry out first matched moulds, different from common injection mo(u)lding, the not direct matched moulds of first matched moulds equals the degree of plastic parts volume to mold cavity capacity.In the present embodiment, first matched moulds to die cavity capacity is 1.1～1.2 times of plastic parts volume V, and multiple is not limited to this, as long as matched moulds to the die cavity and the maintenance capacity that form sealing is still greater than plastic parts volume V.After first matched moulds, can inject molten plastic by running gate system, as shown in Figure 3, the molten plastic by sprue bushing 81 to 1.05～1.15 times of plastic parts volume V of die cavity injection, will guarantee that the amount of injection is more than plastic parts volume V in a word.After having injected, adopt the clamping pressure extruding die cavity of injection machine to carry out final matched moulds, matched moulds to die cavity capacity equals plastic parts volume V, and front membrane module is now in state as shown in Figure 1, and then membrane module is in as shown in Figure 5.In matched moulds process, front cavity is subject to rear cavity extruding close to cooling system gradually, but because the time of injection and extruding is very short, touch after cooling system, because front cavity was also heated in advance, so cooling system can't have influence on molten plastic, still keep good mobility, under this kind of state, with larger injection machine pressure extrusion die cavity, the pressure of injection machine extruding die cavity is selected according to different product, the tonnage of pressure can be ten tonnages, hundred tonnages etc., should do not limited, only need clearly this pressure to be not only a clamping pressure, the more important thing is this pressure is used for pushing die cavity, fine and close to obtain, the plastic parts that filling effect is good.The plastic parts filling effect that method obtains is accordingly good, and surface does not have weld mark, gas line simultaneously, has obtained the good high light of surface effect and has exempted from the large area thin-walled plastic parts spraying.
Need explanation, the setting of cooling system and heating system, front membrane module and rear membrane module all can arrange, be not limited in aforementioned case the die cavity of front cavity only and have the situation of appearance, in fact, the thin-walled plastic injection mold that the utility model provides, the position at least in front cavity and rear cavity with Surface Appearance all should arrange cooling system and heating system, because the die cavity that Surface Appearance contacts is heated to, shaping raw material melt temperature is injected above again, extrusion modling, and the Surface Appearance obtaining is smooth weldless trace.For cooling system and heating system, cooling and instant heating rapidly preferably, for example: raw materials is the plastic parts that PC+20GF, thickness are 0.4mm, heating system preferably can make to be with 7 ℃ of left and right of bits per second rising, heating part, and cooling system can think that the speed of 12 ℃/sec is cooling; And for example, raw materials is the plastic parts of PMMA, thickness 0.6mm, heats 6 ℃/sec, cooling 11 ℃/sec.Certainly, aforementioned is a kind of enumerating, to show the cooling and fast as far as possible speed of heating needs.The cooling block of cooling system adopts very fast, the lower-cost metal of heat conduction, and for example copper, is provided with pipeline in cooling block, and cooling fluid provides by freezing water machine, continues circulation in pipeline, constant to guarantee that chilling temperature continues.And heating system can adopt electrically heated rod, meanwhile, temperature raise with cooling speed also with heating system in heating bar quantity relevant, cooling again big or small with cooling block, cooling water temperature is relevant.
In a word, adopt the utility model that thin-walled plastic injection mold is provided, by thin-walled plastic parts preparation method of the present utility model, by die cavity preheating, build the high-temperature molding condition of Surface Appearance, pass through again die cavity capacity adjustment System to inject than the more raw material of normal condition, carry out matched moulds twice, by being used for compressing die cavity (molten plastic is moulded in extruding in other words) in order to the clamping pressure of close die sealing under normal circumstances, to obtain densification, case hardness is high, the plastic parts that filling effect is good, the plastic rubber member surface weldless trace simultaneously obtaining, gas line, there is good surface effect, reach high light and exempted from the degree of spraying, meanwhile, the plastic parts internal stress obtaining reduces, not yielding.
Above content is in conjunction with concrete preferred embodiment further detailed description of the utility model, can not assert that concrete enforcement of the present utility model is confined to these explanations.For the utility model person of ordinary skill in the field; without departing from the concept of the premise utility; can also make some being equal to substitutes or obvious modification, and performance or purposes identical, all should be considered as belonging to protection domain of the present utility model.
Claims (9)
1. a thin-walled plastic injection mold, comprises front membrane module and rear membrane module, and described front membrane module comprises front cavity, and described rear membrane module comprises rear cavity, it is characterized in that: also comprise piece-rate system, cooling system and heating control module;
Described cooling system comprises cooling block, is provided with pipeline and circulates for liquid circulation in described cooling block;
Described piece-rate system is located at described front cavity bottom, by described piece-rate system, makes described front cavity separated with cooling system;
Described rear membrane module also comprises mold base B plate, rear mold mold insert and die cavity capacity adjustment System, and described die cavity capacity adjustment System is located on described mold base B plate, for making, between described rear mold mold insert and described rear cavity, relative motion occurs to adjust die cavity capacity;
Described heating control module comprises temperature-sensitive system, temperature control system and heating system, and described temperature control system is connected with heating system with temperature-sensitive system respectively; Described heating system is distributed in described front cavity and/or described rear cavity, for heating to die cavity, described temperature-sensitive system contacts with die cavity, and for obtaining the temperature of described die cavity and transferring to described temperature control system, described temperature control system is for controlling the work of described heating system.
2. thin-walled plastic injection mold as claimed in claim 1, it is characterized in that: described front membrane module also comprises mold base A plate, panel, the first thermal insulation board and the second thermal insulation board, described cooling system is connected with described panel, described panel is for securing to an injection machine by described front membrane module, described front cavity is connected with described mold base A plate, described the first thermal insulation board is located between described panel and described mold base A plate, and described the second thermal insulation board is located on described panel, for intercepting the heat from injection machine.
3. thin-walled plastic injection mold as claimed in claim 2, it is characterized in that: described piece-rate system comprises the first spring, the first guide pillar and the first limited block, described the first spring is positioned at described front cavity bottom, described front cavity is ejected described front cavity and described cooling system is separated before mould matched moulds, described the first guide pillar is arranged on described mold base A plate, for described front cavity is ejected to guiding, described the first limited block is for limiting the ejection distance of described front cavity.
4. thin-walled plastic injection mold as claimed in claim 1, it is characterized in that: described die cavity capacity adjustment System comprises the second spring, the second guide pillar and the second limited block, described the second spring is positioned at described rear cavity bottom, described rear cavity is upspring before matched moulds, make described rear cavity and described rear mold mold insert generation relative motion, increase die cavity capacity, described the second guide pillar is fixed on described mold base B plate, for guiding that described rear cavity is upspring, described the second limited block is for limiting the distance of upspringing of described rear cavity.
5. thin-walled plastic injection mold as claimed in claim 2, it is characterized in that: described temperature control system is located on described mold base A plate, there is heating gauge tap and temperature control box, the die cavity temperature of wanting to reach by described temperature control box setting or the heat time of heating system, described heating gauge tap is for controlling the break-make of described heating system.
6. thin-walled plastic injection mold as claimed in claim 5, is characterized in that: described mold base A plate is provided with matched moulds inductive needle, and described matched moulds inductive needle one end contacts with described heating gauge tap, and the other end contacts with described rear membrane module when mould matched moulds; Described in during die sinking, matched moulds inductive needle is upspring, and makes described heating gauge tap in the state of upspringing, and makes described heating system start heating; Described in during matched moulds, matched moulds inductive needle is pressed described heating gauge tap is depressed, and described heating system stops heating.
7. thin-walled plastic injection mold as claimed in claim 6, is characterized in that: described heating system is electrically heated rod, and described electrically heated rod is arranged in the position in described die cavity with Surface Appearance.
8. thin-walled plastic injection mold as claimed in claim 1, is characterized in that: described rear membrane module also comprises base plate, and described base plate is provided with square iron to support described mold base B plate.
9. thin-walled plastic injection mold as claimed in claim 8, it is characterized in that: described rear membrane module also comprises ejection system, described ejection system comprises and ejects base plate, ejects panel and push rod, and described push rod one end ejects on base plate described in being fixed on, and the other end connects described rear mold mold insert; The described panel that ejects ejects on base plate described in being positioned at, the described panel that ejects is provided with rear mold support column and ejecting limit block, described rear mold support column is in order to support described rear cavity, and described ejecting limit block is for limiting the distance that described push rod ejects described rear mold mold insert.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420091805.7U CN203752426U (en) | 2014-02-28 | 2014-02-28 | Thin-walled injection mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420091805.7U CN203752426U (en) | 2014-02-28 | 2014-02-28 | Thin-walled injection mold |
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| CN203752426U true CN203752426U (en) | 2014-08-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420091805.7U Expired - Fee Related CN203752426U (en) | 2014-02-28 | 2014-02-28 | Thin-walled injection mold |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108705728A (en) * | 2018-08-03 | 2018-10-26 | 东莞市艾尔玛科技有限公司 | A kind of quick heating injection mold of IMR techniques induction |
| CN108973056A (en) * | 2018-08-03 | 2018-12-11 | 东莞市艾尔玛科技有限公司 | A kind of induction rapidly heating moulds |
| CN113619033A (en) * | 2021-08-20 | 2021-11-09 | 江苏星科精密模具有限公司 | Easy demoulding car light injection mold |
| CN114228079A (en) * | 2021-12-17 | 2022-03-25 | 南通天维机械设备有限公司 | Electronic plastic mold capable of achieving rapid demolding and injection molding using method thereof |
-
2014
- 2014-02-28 CN CN201420091805.7U patent/CN203752426U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108705728A (en) * | 2018-08-03 | 2018-10-26 | 东莞市艾尔玛科技有限公司 | A kind of quick heating injection mold of IMR techniques induction |
| CN108973056A (en) * | 2018-08-03 | 2018-12-11 | 东莞市艾尔玛科技有限公司 | A kind of induction rapidly heating moulds |
| CN113619033A (en) * | 2021-08-20 | 2021-11-09 | 江苏星科精密模具有限公司 | Easy demoulding car light injection mold |
| CN114228079A (en) * | 2021-12-17 | 2022-03-25 | 南通天维机械设备有限公司 | Electronic plastic mold capable of achieving rapid demolding and injection molding using method thereof |
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Effective date of registration: 20171222 Address after: 523878 Changan City, Guangdong Province town on the corner management area Patentee after: Guangdong Jinsheng Intelligent Group Co.,Ltd. Address before: 523878 Changan City, Guangdong Province town on the corner management area Co-patentee before: DONGGUAN HUASHENG ELECTRONIC TECHNOLOGY Co.,Ltd. Patentee before: Guangdong Jinsheng Intelligent Group Co.,Ltd. |
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