CN204604735U - A kind of injection mold of automobile rearview mirror pad - Google Patents
A kind of injection mold of automobile rearview mirror pad Download PDFInfo
- Publication number
- CN204604735U CN204604735U CN201420819327.7U CN201420819327U CN204604735U CN 204604735 U CN204604735 U CN 204604735U CN 201420819327 U CN201420819327 U CN 201420819327U CN 204604735 U CN204604735 U CN 204604735U
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- group
- plate
- core
- mavable module
- sprue gate
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- Moulds For Moulding Plastics Or The Like (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The utility model discloses a kind of injection mold of automobile rearview mirror pad, comprise, the first sprue gate and the second sprue gate; First group of flow distribution plate, it is connected with the first sprue gate; Second component stream plate, it is connected with the second sprue gate; First group of mavable module core and fixed mold core, it is arranged on below first group of flow distribution plate, receives the castable at the first sprue gate; Second group of mavable module core and fixed mold core, it is arranged on below second component stream plate, receives the castable at the second sprue gate; Wherein, described second group of mavable module core is identical with the shape of first group of mavable module core, undersized, described first group of mavable module core and fixed mold core form first group of ring cavity, second group of mavable module core and fixed mold core form second group of ring cavity, and second group of ring cavity is identical with first group of ring cavity shape, undersized, above described second group of ring cavity, also superposition arranges the 3rd group of ring cavity.The utility model, while saving production equipment cost, achieves two material injection moulding, enhances productivity.
Description
Technical field
The utility model relates to the manufacture field of automobile spare and accessory parts mould, particularly a kind of injection mold of automobile rearview mirror pad.
Background technology
Along with the progress of society, have fashion, a favor that durable automobile product is more and more subject to consumer, become the main flow in market.This series products be unable to do without high-quality extra quality/bicolor injection mould, this technology forming principle is plastified respectively in two injection moulding machine barrels by the plastics of two kinds of different materials or color, by injection machine sequential injection and mold cavity conversion, two kinds of melts are injected mold cavity respectively, molds the plastic products with bi-material or color.
Tradition bicolor injection mould is by two fixed mold cores, two mavable module core compositions, two mavable module core shapes, measure-alike, be fixed on the rotating disk of moving platen, can moving template central axis rotate, two fixed mold core shapes, size is different, be fixed on solid plate, non-rotatable, two fixed mold cores and two mavable module cores form small one and large one two die cavities, first in small cavity, first group of melt is injected by injection device, mold the Part I of extra quality/bicolor plastic part, then die sinking, dynamic model is with the turntable rotation 180 ° of moving platen, matched moulds, the working of plastics that then previous step is shaping proceeds in large die cavity and becomes mold insert, injection device injects the melt of another kind of material/color in large die cavity, plastic insert is encapsulated, extra quality/bicolor plastic part can be molded, meanwhile, injection device is to the first melt of injection moulding in small cavity, mold next plastic insert, die sinking after urethane cure is shaping, take out extra quality/bicolor plastic part, dynamic model rotates 180 °, mold closing, namely the single injection-molded cycle is completed.
Above-mentioned tradition is extra quality/and bicolor injection mould sways after 180 ° due to semi-finished product, the active and inactive mold of mould must coincide, the problem of how to locate and mating must be considered during design, Design of Dies is more complicated, the requirement of processing technology is more meticulous, but also must use special extra quality/double coloured plastic injection machine, a whole set of injection molding apparatus cost is multiplied accordingly; Again because two cover dynamic model geomeries are all the same, and semi-finished product after the cooling period size can slightly reduce, in large die cavity, excessive glue phenomenon can be found during second time injection moulding, affects finished surface fineness.
Utility model content
In view of foregoing, the potential technical problem of the utility model is, provides in a kind of structure and is functionally designed to the injection mold for the manufacture of automobile rearview mirror pad of the restriction making up described prior art.
In the context of this problem, main purpose of the present utility model is, a kind of injection mold of automobile rearview mirror pad of improvement is provided, wherein overlap independently running gate system and two by employing two and overlap independently die cavity, only just can realize extra quality/double-shot moulding with a kind of tradition thin material/monochromatic injection machine and one set of die, that reduces production cost improves production efficiency.
The utility model also has an object to be, a kind of injection mold of automobile rearview mirror pad of improvement is provided, wherein by making the size of second group of mavable module core than the mode of the undersized of first group of mavable module core, prevent from, during injection moulding second group of melt, the glue that overflows occurs, make shaped article size more accurate, surface smoothness is better.
Another object of the utility model is, provides a kind of injection mold of automobile rearview mirror pad of improvement, wherein by adopting fixed die insert forced demoulding mechanism, and can so that the demoulding.
In order to realize, according to these objects of the present utility model and other advantages, providing a kind of injection mold of automobile rearview mirror pad, comprise, the first sprue gate and the second sprue gate; First group of flow distribution plate, it is connected with the first sprue gate; Second component stream plate, it is connected with the second sprue gate; First group of mavable module core and fixed mold core, it is arranged on below first group of flow distribution plate, receives the castable at the first sprue gate; Second group of mavable module core and fixed mold core, it is arranged on below second component stream plate, receives the castable at the second sprue gate; Wherein, described second group of mavable module core is identical with the shape of first group of mavable module core, undersized, described first group of mavable module core and fixed mold core form first group of ring cavity, second group of mavable module core and fixed mold core form second group of ring cavity, and second group of ring cavity is identical with first group of ring cavity shape, undersized, above described second group of ring cavity, also superposition arranges the 3rd group of ring cavity.
Because this mould have employed three sleeve forming cavitys, in first group of cavity, injected the melt of the first material/color by the first sprue gate during injection moulding, mold the semi-finished product part of extra quality/bicolor plastic part, after cooling curing, this semi-finished product part is taken out then to load in second group of cavity and become mold insert, in the 3rd group of cavity, the melt of the second material/color is injected by the second sprue gate, semi-finished product are encapsulated, the finished product of extra quality/bicolor plastic part can be molded.Second group of mavable module core and first group of mavable module core undersized again, overflow when injecting the melt of the second material/color after can preventing semi-finished product cooling curing glue, is that finished product product size is accurate, improves finished parts surface smoothness.
As further improvement of the utility model, second group of fixed mold core is also inlaid with the fixed mold core insert A of ring-like columnar hollow and block fixed die insert B, the lug, nib that the lower limb of described fixed mold core insert A has a circle inside.The object arranging this circle lug, nib is the groove part of shaping the second material/colored plastic part, and the fixed die insert B of square is for stopping that melting is moulded plastic raw materials and flowed into the middle hollow part of semi-finished insert.Especially, a back-moving spring A is at least provided with in fixed mold core insert A, a back-moving spring B is at least provided with in described fixed mold core insert B, during die sinking under the effect of back-moving spring A and back-moving spring B, fixed mold core insert A and fixed mold core insert B is ejected from the second fixed mold core, the working of plastics adhered on the second mavable module core is ejected from the 3rd group of cavity, is convenient to the demoulding.Again owing to can reduce a little after semi-finished product cooling, in order to prevent from overflowing glue in the process of injection moulding flexible glue, the second mavable module core is than the first mavable module core undersized.
Further improve as the utility model, also be provided with upper mounted plate, first sprue gate is arranged on the center of upper mounted plate, in the first outer ring, sprue gate, a locating ring is also set, backing plate is equipped with in this upper mounted plate lower surface face, and first group of flow distribution plate and second component stream plate are arranged in this backing plate, and the second sprue gate is arranged on backing plate center side, be connected to first group of nozzle below first group of flow distribution plate, below second component stream plate, be connected to second group of nozzle.And this backing plate lower surface is equipped with solid plate, solid plate is provided with through hole, first group of fixed mold core and second group of fixed mold core are arranged in described solid plate, first group of nozzle imports in first group of ring cavity through the through hole on solid plate, and second group of nozzle imports in the 3rd group of ring cavity through the through hole on solid plate.
Because the utility model have employed above-mentioned running gate system, the melt of the first material/color can be injected by the first sprue gate, be diverted in first group of nozzle through first group of flow distribution plate, finally be poured in first group of cavity, the melt of the second material/color can be injected by the second sprue gate, be diverted in second group of nozzle through second component stream plate, be finally poured in the 3rd group of cavity.Can when do not adopt expensive extra quality/double coloured plastic injection machine, utilize two traditional thin material/monochromatic injection machines just can inject the melt of two kinds of different materials/colors simultaneously, meet actual production demand
Preferably, moving platen is connected with below solid plate, first group of mavable module core and second group of mavable module core are arranged in this moving platen, again cushion block is installed below moving platen, it is square block structure, and bottom plate is housed below cushion block, this bottom plate is equipped with push pedal, support column, thimble push pedal be equipped with, support column plays a supportive role to moving platen, prevent by excessive pressure and be out of shape, thimble through withstanding the product after described injection mold injection mo(u)lding after moving platen and mavable module core, can be used for during die sinking ejecting working of plastics successively.
The utility model at least comprises following beneficial effect: because it adopts three groups of independently cavitys, can distinguish injection mo(u)lding extra quality/the semi-finished product part of bicolor plastic part and finishing section, and the size of the second mavable module core is than the undersized of the first fixed mold core, can prevent from, when the melt of injection moulding the second material/color, the glue that overflows occurs, make shaped article size more accurate, surface smoothness is better; The fixed mold core insert ejecting mechanism that it adopts, can so that the demoulding; It adopts two covers independently to pour into a mould runner, therefore can when do not adopt price high extra quality/double coloured plastic injection machine, utilize two monochromatic injection machines of tradition just can inject the material of two kinds of different materials simultaneously, realize two material injection moulding.Summary, the utility model is while saving production equipment cost, and the two material injection moulding of realization, product size is accurate, surface smoothness is higher, and improves production efficiency.
Accompanying drawing explanation
Fig. 1 is the injection mold perspective view of the automobile rearview mirror pad of an embodiment of the present utility model;
Fig. 2 is the injection mold stereochemical structure sectional view of the automobile rearview mirror pad of this embodiment;
Fig. 3 is the stereochemical structure exploded view of the injection mold upper mounted plate of the automobile rearview mirror pad of this embodiment, hot runner manifold and running gate system;
Fig. 4 is injection molding mould fixed die plate, fixed mold core, fixed mold core insert A, the fixed mold core insert B stereochemical structure exploded view of the automobile rearview mirror pad of this embodiment;
The injection mold moving platen of the automobile rearview mirror pad that Fig. 5 is this embodiment, the stereochemical structure exploded view of mavable module core;
Fig. 6 is the injection molding mould fixed die benevolence insert A of the automobile rearview mirror pad of this embodiment and the stereochemical structure exploded view of fixed mold core insert B;
Fig. 7 is the enlarged partial sectional view of the automobile rearview mirror gasket injection molding mold fixed mold core insert A lower limb fin of this embodiment.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is described in further detail, can implements according to this with reference to description word to make those skilled in the art.
Should be appreciated that used hereinly such as " to have ", other elements one or more do not allotted in " comprising " and " comprising " term or the existence of its combination or interpolation.
Fig. 1 to Fig. 7 shows a kind of embodiment of the injection mold of a kind of automobile rearview mirror of the utility model pad.Injection mold according to automobile rearview mirror pad of the present utility model comprises:
Upper mounted plate 2; One, through first sprue gate 10 at upper mounted plate 2 center, for receiving the melt of the first the material/color from injection machine, is secured on upper mounted plate 2 by upper locating ring 1; Backing plate 3, is arranged on below fixed head 2; One, through the second sprue gate 80 of backing plate 3 center side, for receiving the melt of the second material/color from injection machine, is secured in the side of backing plate 3 by side locating ring 8; First group of flow distribution plate, is connected with the first sprue gate 10, is arranged in parallel again two first group of nozzles under it, and during cast, the melt of the first material/color is injected the first sprue gate 10 by injection machine, to be led two first group of nozzles 33 by first group of flow distribution plate; Second component stream plate, is connected with the second sprue gate 80, is also arranged in parallel two second group of nozzles 34 under it, and during cast, the melt of the second material/color is injected the second sprue gate 80 by injection machine, to be led two second group of nozzles by second component stream plate; One piece of solid plate 4, there is individual groove its inside, four first group of fixed mold cores 41 and four second group of fixed mold cores 42 are installed, fixed mold core insert A43 and fixed mold core insert B44 is inlaid with in each second group of fixed mold core, and four angles that each fixed mold core insert A43 connects with second group of fixed mold core are provided with four back-moving spring A equably, each fixed mold core insert B44 center is provided with a back-moving spring B, for conveniently stripped during die sinking; Moving platen 5, be arranged on immediately below solid plate 4, be provided with four first group of mavable module cores 51 in the groove of its inside all identical with four second group of mavable module cores, 52, two groups of mavable module core shapes, just the girth of second group of mavable module core 52 only has the 95%-98% of first group of mavable module core 51 girth; Two cushion blocks 6, are arranged on the below of moving platen 5, for supporting moving platen 5; Bottom plate 7, be arranged on the below of cushion block 6, it is also equipped with push pedal 70, cylindrical support column 71, elongated strip thimble 72 push pedal 70 be equipped with again, support column 71 pairs of moving platens 5 play a supportive role, prevent by excessive pressure and be out of shape, thimble 72 through withstanding the product after described injection mold injection mo(u)lding after moving platen 5 and mavable module core, can be used for during die sinking ejecting working of plastics successively.
In addition, three through upper mounted plate 2, backing plate 3 and solid plate 4, is connected by bolt 20 successively; Both through backing plate 3 and solid plate 4, are connected by bolt 30 successively.
Utility model works principle: the first step, bottom plate driven mold dynamic model part moves upward, and is harmonious with stationary mould for mould part, and the nozzle of injection machine fills with mouth centering by upper locating ring 1 with mould, starts the melt injecting the first material/color; Second step, the melt of the first material/color of injection by first jet 33 import to first group of cavity start shaping extra quality/the semi-finished product part of bicolor plastic part; 3rd step, die sinking after cooling curing, ejects semi-finished product part by thimble, and loading in second group of cavity after being taken out by mechanical arm becomes mold insert; 4th step, matched moulds again, now the melt of the second material/color imports in the 3rd group of cavity chamber through second nozzle 34 and plastic insert is encapsulated, extra quality/bicolor plastic part can be molded, meanwhile, first jet 33, to the first melt of injection moulding in first group of cavity, molds next plastic insert; 5th step, die sinking after cooling curing, fixed die insert A ejects 5mm by back-moving spring A, fixed die insert B ejects 8mm by back-moving spring B, progressive error due to this 3mm just can realize the forced stripper mechanism of finishing section, eject semi-finished product and finished product by thimble, from the second die cavity, take out finished product by mechanical arm, from the first die cavity, then take out semi-finished product load in the second die cavity and prepare injection moulding next time.
The utility model is while saving production equipment cost, and can realize two material injection moulding, product size is accurate, and surface smoothness is higher, and improves production efficiency.
Although embodiment of the present utility model is open as above, but it is not limited in listed in description and embodiment utilization, it can be applied to various applicable field of the present utility model completely, for those skilled in the art, can easily realize other amendment, therefore do not deviating under the universal that claim and equivalency range limit, the utility model is not limited to specific details and illustrates here and the legend described.
Claims (10)
1. an injection mold for automobile rearview mirror pad, is characterized in that, comprising:
First sprue gate and the second sprue gate;
First group of flow distribution plate, it is connected with the first sprue gate;
Second component stream plate, it is connected with the second sprue gate;
First group of mavable module core and fixed mold core, it is arranged on below first group of flow distribution plate, receives the castable at the first sprue gate;
Second group of mavable module core and fixed mold core, it is arranged on below second component stream plate, receives the castable at the second sprue gate;
Wherein, described second group of mavable module core is identical with the shape of first group of mavable module core, undersized, described first group of mavable module core and fixed mold core form first group of ring cavity, second group of mavable module core and fixed mold core form second group of ring cavity, and second group of ring cavity is identical with first group of ring cavity shape, undersized, above described second group of ring cavity, also superposition arranges the 3rd group of ring cavity.
2. the injection mold of automobile rearview mirror pad as claimed in claim 1, it is characterized in that, described second group of fixed mold core is also inlaid with the fixed mold core insert A of ring-like columnar hollow and block fixed die insert B, the lug, nib that the lower limb of described fixed mold core insert A has a circle inside.
3. the injection mold of automobile rearview mirror pad as claimed in claim 2, is characterized in that, be at least provided with a back-moving spring A in described fixed mold core insert A, be at least provided with a back-moving spring B in described fixed mold core insert B.
4. the injection mold of automobile rearview mirror pad as claimed in claim 1, it is characterized in that, comprise upper mounted plate, described first sprue gate is arranged on the center of upper mounted plate, and described first outer ring, sprue gate also arranges a upper locating ring.
5. the injection mold of automobile rearview mirror pad as claimed in claim 4, it is characterized in that, comprise backing plate, this backing plate is installed on the lower surface of fixed plate, described first group of flow distribution plate and second component stream plate are arranged in this backing plate, and described second sprue gate is arranged on backing plate center side.
6. the injection mold of automobile rearview mirror pad as claimed in claim 1, is characterized in that, be connected to first group of nozzle, be connected to second group of nozzle below second component stream plate below described first group of flow distribution plate.
7. the injection mold of automobile rearview mirror pad as claimed in claim 6, it is characterized in that, comprise solid plate, solid plate is provided with through hole, described first group of fixed mold core and second group of fixed mold core are arranged in described solid plate, described first group of nozzle imports in first group of ring cavity through the through hole on solid plate, and second group of nozzle imports in the 3rd group of ring cavity through the through hole on solid plate.
8. the injection mold of automobile rearview mirror pad as claimed in claim 1, it is characterized in that, comprise moving platen, described first group of mavable module core and second group of mavable module core are arranged in this moving platen.
9. the injection mold of automobile rearview mirror pad as claimed in claim 8, it is characterized in that, comprise cushion block, it is square block structure, is connected with below described moving platen.
10. the injection mold of automobile rearview mirror pad as claimed in claim 9, it is characterized in that, comprise bottom plate, it is connected with described cushion block, bottom plate is equipped with push pedal, push pedal is equipped with support column, thimble, described push pedal is arranged on bottom plate, and described thimble is successively through withstanding the product after described injection mold injection mo(u)lding after described moving platen and described mavable module core.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420819327.7U CN204604735U (en) | 2014-12-22 | 2014-12-22 | A kind of injection mold of automobile rearview mirror pad |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420819327.7U CN204604735U (en) | 2014-12-22 | 2014-12-22 | A kind of injection mold of automobile rearview mirror pad |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204604735U true CN204604735U (en) | 2015-09-02 |
Family
ID=53957316
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420819327.7U Withdrawn - After Issue CN204604735U (en) | 2014-12-22 | 2014-12-22 | A kind of injection mold of automobile rearview mirror pad |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204604735U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104552795A (en) * | 2014-12-22 | 2015-04-29 | 昆山市鸿毅达精密模具有限公司 | Injection molding mold for automobile rearview mirror gasket |
-
2014
- 2014-12-22 CN CN201420819327.7U patent/CN204604735U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104552795A (en) * | 2014-12-22 | 2015-04-29 | 昆山市鸿毅达精密模具有限公司 | Injection molding mold for automobile rearview mirror gasket |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150902 Effective date of abandoning: 20170426 |