CN103009565B - Injection mold - Google Patents
Injection mold Download PDFInfo
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- CN103009565B CN103009565B CN201210526202.0A CN201210526202A CN103009565B CN 103009565 B CN103009565 B CN 103009565B CN 201210526202 A CN201210526202 A CN 201210526202A CN 103009565 B CN103009565 B CN 103009565B
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- termination
- mold plate
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- metal form
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Abstract
The invention discloses an injection mold, which includes a first mold plate and a second mold plate, wherein the first mold plate comprises casting ends and a metal mold plate; heating components and hot runners are arranged in the metal mold plate; the casting ends are communicated with the hot runners; and a heat insulation device, which can greatly reduce the heat transferred from the first mold plate to the second mold plate, is arranged on the first mold plate. With the heat insulation device on the first mold plate, the temperature difference (250 DEG C in general) between the first mold plate and the second mold plate is great, so that the plastic solution flowing from the hot runners to the casting ends in the first mold plate keeps a liquid state over a long period of time, and the products in the cavity of the first mold plate keep a fixed shape after demoulding, therefore, the injection-moulding residue in the hot runners of the first mold plate does not need to be treated; and further, a plastic grinder and other additional equipment do not need to be provided; and moreover, the time for manual watching can be decreased so as to reduce labor cost.
Description
Technical field
The present invention relates to a kind of injection mold, especially hot runner plastic injection mould.
Background technology
Traditional injection moulding mould generally comprises the first template and the second template, injection molding channel and cast termination are set in the first template, in the second template, mold cavity is set, the first template and the second template are pegged graft rear plastic solution from injection molding channel injection cast termination, by cast termination, injected again the die cavity of the first template, the first template is separated with the second template after cooling, now in the cast runner of the first template, there is the injection moulding residue after cooled and solidified, and after the second template separation, obtain product, during the equipment of this type of mould of operative configuration, needing professional that the injection moulding residue in the first template is taken out to put in plastic crusher on one side again pulverizes, then heating and melting drops in injection moulding use again, or the work of taking out plastics residue in this generic operation is completed by manipulator, but this action need configuration pulverizer etc., and spent manually also larger of the equipment of looking after, therefore the operating cost relating to is higher.
On the said equipment basis, once also someone adopted the mode of hot flow path to operate, and in hot flow path, need to be equipped with a large amount of components and parts such as thermocouple, not only need to expend great amount of cost, the required space, injection moulding termination of Ye Shi unit's number increases, be unfavorable for the increase of injection moulding termination, be also unfavorable for improving the operating efficiency of equipment.
In addition, the first template of traditional injection moulding mould adopts the structure of one, and the temperature of hot flow path is generally all higher, reach 200 degrees Celsius of left and right, so easy dilatancy in cast termination of hot flow path end, if the cast more meeting in termination makes the first template deformation excessive and can provide the space of distortion too small, cause more cast termination cannot be set in the first template, general maximum tens cast terminations can be set.
And more employing thermocouple heats in traditional injection moulding mould, the volume of thermocouple is larger, and easily makes the temperature at each position uneven, thereby makes amplitude of deformation also occur different variation, is unfavorable for the laying of hot flow path and cast termination.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of injection mold that can realize noresidue after injection moulding.
For this reason, injection mold provided by the invention comprises the first template and the second template, the first template comprises cast termination and metal form, in metal form, be provided with heater element and hot flow path, cast termination and hot flow path conducting, is characterized in that: in described the first template, be provided with and significantly reduce heat and be transmitted to the heat-proof device the second template from the first template.
In the present invention, in the first template, be provided with heat-proof device, thereby can make to occur between temperature in the first template and the second template the larger temperature difference, generally can reach the temperature difference of 250 degrees Celsius, can make from hot flow path, to the plastic solution of pouring into a mould termination, to keep for a long time liquid in the first template, and product in the first template die cavity can keep solid form after the demoulding, thereby without the injection moulding residue in the first template hot flow path is processed, more need not be equipped with the extra equipment such as plastic crusher, also can reduce the time of manually looking after, cost of labor is reduced.
Accompanying drawing explanation
Fig. 1 is the structure cross-sectional schematic of injection mold provided by the invention.
Fig. 2 is the structural plan schematic diagram of the high-strength high temperature-resistant baffler that disposes cast termination in Fig. 1.
Fig. 3 is the structural plan schematic diagram of the high-strength high temperature-resistant baffler of the not configuration cast termination in Fig. 1.
The specific embodiment
As shown in Figure 1; injection mold provided by the invention; comprise the first template 1 and the second template 2; in this first template 1 and the second template 2, can be all cover half or dynamic model; in practical operation, the first template 1 is cover half; the first template 1 comprises cast termination 3 and metal form 10; also comprise mold cavity; in metal form 10, be provided with heater element 4 and hot flow path 5; cast termination 3 and hot flow path 5 conductings, be provided with in described the first template 1 and significantly reduce heat and be transmitted to the heat-proof device the second template 2 from the first template 1.In the present embodiment, heat-proof device comprises the collet 6 being socketed on cast termination, collet 6 adopts elasticity exotic material to make, collet 6 bottoms are with the opening 8 of the material outlet 7 of correspondence cast termination 3, collet 6 wraps cast termination 3 on the one hand makes the plastics liquation of its outflow can not depart from die cavity, also intercept on the other hand the heat conduction of cast termination 3 to mold cavity, but also intercepted the heat conduction between the first template 1 top and bottom.
As Fig. 1, 2, shown in 3, in the above-described embodiments, in order to solve the problem of expanding with heat and contract with cold of cast termination, metal form 10 is with cast termination 3 and collet 6 split settings and interfix by detachable fastener, at this fastener, comprise bolt and be fixed with the high-strength high temperature-resistant baffler 15 of pouring into a mould termination 3 and collet 6, between high-strength high temperature-resistant baffler 15 and metal form 10, adopt bolt to fix, on high-strength high temperature-resistant baffler 15, offer slotted eye 16 is installed, cast termination 3 is arranged at installs in slotted eye 16, the sprue gate of cast termination 3 is through slotted eye 16 is installed, high-strength high temperature-resistant baffler 15, metal form 10 is close in cast termination 3, plane contact and form liquid sealing and coordinate between metal form 10 and cast termination 3, the runner hole exits 13 of metal form 10 lower ends is aimed at the plug hole entrance 14 of cast upper end, termination, runner hole exits 13 areas are much larger than plug hole entrance 14, metal form 10 presses cast termination 3 and collet 6, collet 6 provides the possibility of strain, make metal form 10 tightr with coordinating of cast termination 3, distance mutually staggers between described cast termination 3.After cast termination 3 and metal form 10 plane contact, expansion and the shrinkage of cast termination 3 can not be subject to the interference of metal form 10, add and between upper termination 3, originally just left distance, the dilatancy of therefore pouring into a mould in 3 certain limits of termination just can not cause the damage of mould, can not make the runner hole exits 13 of metal form 10 lower ends depart from the plug hole entrance 14 of pouring into a mould upper end, termination, thereby provide condition for cast termination is set more yet.The high-strength high temperature-resistant baffler 15 of being close in addition metal form 10 can make to pour into a mould individually the plastics liquation flowing out termination 3 can not spread to more multizone.
As shown in Figure 1, in the above-described embodiments, in order to make being heated of the first template 1 more even, be beneficial to pour into a mould the laying of termination 3 and hot flow path 5, hot flow path 5 is arranged in metal form 10, the parallel jack 11 that is distributed with on metal form 10, and described heater element is for inserting the heating bar 12 in jack.In the present embodiment, the horizontal and vertical equal lineal layout in cast termination 3, a heating bar 12 of every row cast termination 3 top configurations.
Claims (1)
1. an injection mold, comprise the first template and the second template, the first template comprises cast termination, metal form and mold cavity, in metal form, be provided with heater element and hot flow path, cast termination and hot flow path conducting, it is characterized in that: in described the first template, be provided with and significantly reduce heat and be transmitted to the heat-proof device the second template from the first template, described heat-proof device comprises the collet being socketed on cast termination, collet bottom is with the opening of the material outlet of correspondence cast termination, the parallel jack that is distributed with in corresponding cast termination on metal form, described heater element is for inserting the heating bar in jack, metal form and cast termination and collet split setting and interfix by detachable fastener, plane contact and form liquid sealing and coordinate between metal form and cast termination, the runner hole exits of metal form lower end is aimed at the plug hole entrance of cast upper end, termination, metal form presses cast termination and collet, distance mutually staggers between described cast termination, described fastener comprises bolt and is fixed with the high-strength high temperature-resistant baffler of cast termination and collet, between high-strength high temperature-resistant baffler and metal form, adopt bolt to fix, on high-strength high temperature-resistant baffler, offer installation slotted eye, cast termination is arranged at installs in slotted eye, the sprue gate of cast termination is through slotted eye is installed, high-strength high temperature-resistant baffler, metal form is close in cast termination.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210526202.0A CN103009565B (en) | 2012-12-10 | 2012-12-10 | Injection mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210526202.0A CN103009565B (en) | 2012-12-10 | 2012-12-10 | Injection mold |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103009565A CN103009565A (en) | 2013-04-03 |
| CN103009565B true CN103009565B (en) | 2014-10-01 |
Family
ID=47958938
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210526202.0A Expired - Fee Related CN103009565B (en) | 2012-12-10 | 2012-12-10 | Injection mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103009565B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102431127A (en) * | 2011-11-23 | 2012-05-02 | 珠海经济特区龙狮瓶盖有限公司 | Hot runner mold |
| CN102642281A (en) * | 2012-04-10 | 2012-08-22 | 苏州好特斯模具有限公司 | Constant temperature hot sprue structure for light guide plate |
| CN202922894U (en) * | 2012-12-10 | 2013-05-08 | 温州市文泰笔业有限公司 | Injection die |
-
2012
- 2012-12-10 CN CN201210526202.0A patent/CN103009565B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102431127A (en) * | 2011-11-23 | 2012-05-02 | 珠海经济特区龙狮瓶盖有限公司 | Hot runner mold |
| CN102642281A (en) * | 2012-04-10 | 2012-08-22 | 苏州好特斯模具有限公司 | Constant temperature hot sprue structure for light guide plate |
| CN202922894U (en) * | 2012-12-10 | 2013-05-08 | 温州市文泰笔业有限公司 | Injection die |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103009565A (en) | 2013-04-03 |
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| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141001 Termination date: 20151210 |
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| EXPY | Termination of patent right or utility model |