CN202011130U - Auxiliary mechanism for injection molding - Google Patents
Auxiliary mechanism for injection molding Download PDFInfo
- Publication number
- CN202011130U CN202011130U CN2011200524403U CN201120052440U CN202011130U CN 202011130 U CN202011130 U CN 202011130U CN 2011200524403 U CN2011200524403 U CN 2011200524403U CN 201120052440 U CN201120052440 U CN 201120052440U CN 202011130 U CN202011130 U CN 202011130U
- Authority
- CN
- China
- Prior art keywords
- auxiliary body
- ejection formation
- die
- die assembly
- injection molding
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Moulds For Moulding Plastics Or The Like (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The utility model relates to an auxiliary mechanism for injection molding, which comprises a die component and an air extracting mechanism. The air extracting mechanism comprises an air extracting barrel and a piston arranged in the air extracting barrel, wherein the piston is connected with a telescopic drive rod which perpendicularly penetrates through one end of the air extracting barrel; the other end of the air extracting barrel is communicated with a cavity of the die component through an air channel arranged on the die component; the telescopic drive rod is driven by a drive device controlled by a control unit; and the control unit is connected with injection equipment at the same time. With the auxiliary mechanism, air in the cavity of a die can be continuously and stably discharged in the injection molding technical process automatically, and the cavity of the die can be cleaned when the die is opened and ejected; therefore, the production efficiency of the injection molding technology is improved, and the quality and the qualified rate of products are greatly improved; and as for manufacturers for producing precise plastic components, the design and production cost of the die can be further reduced.
Description
Technical field
The utility model relates to a kind of injection molding equipment that is applied to technical fields such as injection moulding, relates in particular to a kind of auxiliary body in the jetting formation process gas in the cavity body of mould being handled.
Background technology
Tradition jetting formation process flow process is roughly: promptly can have certain air etc. in the jetting formation process operation front mold cavity, and adding filling cavity body of mould such as also can producing a large amount of ammonias when raw material plastifies, these gases are if untimely discharge meeting causes the quality of product, the efficient that comes into force etc. and has a strong impact on.Existing bleeding mainly is to rely on the thimble and the air discharge duct that are arranged on the mould to realize, but the size of centre hole is not easy control, if its burr or many glue of then can causing bigger than normal, and if less than normally then can not realize complete exhaust, same, for air discharge duct, if its specification is crossed conference and caused burr or many glue, too small then gas can not be discharged fully and be caused product to burn because of gas explosion.Can only rely on operating personnel to regulate ejection formation spare at present for these problems and overcome, and operating personnel must not there be any carelessness.Further, for baroque product, very inconvenience of aforesaid adjustment process operation both can be wasted a large amount of human resources, and the quality instability of product, and yield is very low.In addition, for some precision plastic rubber spares, its qualified products can not have burr and finishing vestige, and this operation that also can cause offering air discharge duct on mould extremely difficulty is carried out, thereby further increase the mould design and the production cost of manufacturer.
The utility model content
The purpose of this utility model is to propose a kind of simple in structure, easy operating, can effectively assist the gas of discharging in the cavity body of mould, promotes the quality of product and the ejection formation auxiliary body of yield, thereby overcomes deficiency of the prior art.
For achieving the above object, the utility model has adopted following technical scheme:
A kind of ejection formation auxiliary body, comprise die assembly, it is characterized in that, described auxiliary body also comprises extraction sector, described extraction sector comprises bleeds cylindrical shell and places the interior piston of cylindrical shell of bleeding, described piston is connected with the vertical telescopic drive bar that penetrates cylindrical shell one end of bleeding, and the described air flue of the cylindrical shell other end through being arranged on the die assembly of bleeding is communicated with the inner chamber of die assembly, and described telescopic drive bar is driven by a drive unit;
Described drive unit is controlled by a control module, and this control module is connected with ejaculation equipment simultaneously.
Described die assembly comprises male model and the master mold that cooperatively interacts.
Say that further described male model is provided with at least one main airway and at least two gas-distributing channels that are interconnected, described main airway is communicated with extraction sector, and described gas-distributing channel is communicated with respectively with each zone of the inner chamber of die assembly.
Described drive unit adopts hydraulic jack.
Described control module respectively with ejaculation equipment in the ejaculation magnetic valve with eject magnetic valve and be connected.
Described extraction sector and drive unit are fixedly installed on the board of injection molding equipment.
This ejection formation auxiliary body can be applicable to thermosetting thermoplasticity jetting formation process or other penetrate in the technology, and in use, it is different from the vacuum ejection formation, more is different from conventional ejection formation.Particularly, this auxiliary body can be synchronously in the ejection formation process and continues to discharge the ammonia that generates in gas in the cavity body of mould and the raw material etc., and before ejection formation, cavity body of mould is vacuumized needn't be in prior art, and in the ejection formation process, carry out bleeding more in addition.
The operation principle of this ejection formation auxiliary body is mainly: after the die assembly assembly is finished (promptly, close modulo operation), ejaculation equipment is when beginning to penetrate injection raw material, send a signal to control module, control module starts the driving arrangement of extraction sector simultaneously according to this signal, promptly realize penetrating simultaneously, bleed simultaneously, and the speed of evacuation can be regulated in real time according to the amount that produces gas in existing gas and the raw material in the cavity body of mould, wait to penetrate that operation is finished and when changing packing stage over to, this extraction sector quits work, when treating that die sinking ejects, the gas that this extraction sector will be extracted out from cavity body of mould before this enters in the cavity body of mould again, so effectively auxiliary top goes out operation, and can be with the foreign material in the cavity body of mould, chips etc. blow out, and then close modulo operation once more, and the repetition said process, until finishing production task.
Compared with prior art, advantage of the present utility model is: this ejection formation auxiliary body is simple in structure, and easy operating can effectively improve the efficient of jetting formation process, promotes the quality and the yield of product, is suitable for extensive use in technologies such as injection moulding.
Description of drawings
Fig. 1 is the structural representation of jetting formation process mould in the prior art;
Fig. 2 is one of structural representation of the utility model one preferred embodiment;
Fig. 3 be the utility model one preferred embodiment structural representation two.
The specific embodiment
In the prior art, the bleeding of injection molding process mainly is to rely on to be arranged on the mould air discharge duct 7 and to wait and realize (consulting Fig. 1), but air discharge duct can not make the gas that discharges in original gas in the mould or the product discharge fully, cause the easy to wear and race limit of mould, injection pressure is big, the product quality instability, die life is short.
Consult Fig. 2～3, this ejection formation auxiliary body comprises die assembly 1, extraction sector 2 and drive unit 3, and described extraction sector and drive unit are fixedly installed on the board 6 of injection molding equipment.
Described die assembly 1 comprises male model 11 and the master mold 12 that cooperatively interacts, described male model is provided with a main airway 51 and the some gas-distributing channels 52 that is interconnected, described main airway is communicated with extraction sector, and described gas-distributing channel is communicated with respectively with each zone of the inner chamber of die assembly.
Described extraction sector comprises bleeds cylindrical shell 21 and places the interior piston 22 of cylindrical shell of bleeding, described piston is connected with the vertical telescopic drive bar 23 that penetrates cylindrical shell one end of bleeding, the described air flue of the cylindrical shell other end through being arranged on the die assembly of bleeding is communicated with the inner chamber of die assembly, described telescopic drive bar is driven by drive unit, and described drive unit adopts hydraulic jack.
This hydraulic jack is controlled by a control module, this control module simultaneously also respectively with ejaculation equipment 4 in the ejaculation magnetic valve with eject magnetic valve and be connected.Preferably, the hydraulic circuit of described hydraulic jack can be communicated with the oil circuit in the board that is arranged on injection molding equipment, two magnetic valves are set in this oil circuit, and these two magnetic valves can and eject the corresponding respectively also synchronization action of magnetic valve with ejaculation magnetic valve in the ejaculation equipment.
The course of work of this ejection formation auxiliary body is: closing modulo operation (promptly, the die assembly assembly) finish after, ejaculation equipment is when beginning to penetrate injection raw material, send signal through control module, driving arrangement starts simultaneously according to this signal, realize penetrating simultaneously, bleed simultaneously, and the speed of evacuation can be regulated in real time according to the amount that produces gas in existing gas and the raw material in the cavity body of mould, wait to penetrate that operation is finished and when changing packing stage over to, this extraction sector quits work, when treating that die sinking ejects, the gas that this extraction sector will be extracted out from cavity body of mould before this enters in the cavity body of mould again, so effectively auxiliary top goes out operation, and can be with the foreign material in the cavity body of mould, chips etc. blow out, and then close modulo operation once more, and the repetition said process, until finishing production.
Ejection formation auxiliary equipment by this, can in the jetting formation process process, continue, the gas in the stable automatic eliminating cavity body of mould, and can when ejecting, die sinking realize the cleaning of cavity body of mould, thereby improved the production efficiency of jetting formation process, and significantly promote the quality and the yield of product, especially for the producer that produces precision plastic rubber spare, also can further reduce mould design and production cost.
The foregoing description only is explanation technical conceive of the present utility model and characteristics; its purpose is to allow the understanding of being familiar with this technology can understand content of the present utility model and enforcement according to this; can not limit protection domain of the present utility model with this; all equivalences of doing according to the utility model spirit essence change or modify, and all should be encompassed within the protection domain of the present utility model.
Claims (6)
1. ejection formation auxiliary body, comprise die assembly, it is characterized in that, described auxiliary body also comprises extraction sector, described extraction sector comprises bleeds cylindrical shell and places the interior piston of cylindrical shell of bleeding, described piston is connected with the vertical telescopic drive bar that penetrates cylindrical shell one end of bleeding, and the described air flue of the cylindrical shell other end through being arranged on the die assembly of bleeding is communicated with the inner chamber of die assembly, and described telescopic drive bar is driven by a drive unit;
Described drive unit is controlled by a control module, and this control module is connected with ejaculation equipment simultaneously.
2. ejection formation according to claim 1 auxiliary body is characterized in that described die assembly comprises male model and the master mold that cooperatively interacts.
3. ejection formation according to claim 2 auxiliary body, it is characterized in that, described male model is provided with at least one main airway and at least two gas-distributing channels that are interconnected, and described main airway is communicated with extraction sector, and described gas-distributing channel is communicated with respectively with each zone of the inner chamber of die assembly.
4. ejection formation according to claim 1 auxiliary body is characterized in that, described drive unit adopts hydraulic jack.
5. ejection formation according to claim 1 auxiliary body is characterized in that, described control module respectively with ejaculation equipment in the ejaculation magnetic valve with eject magnetic valve and be connected.
6. ejection formation according to claim 1 auxiliary body is characterized in that described extraction sector and drive unit are fixedly installed on the board of injection molding equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200524403U CN202011130U (en) | 2011-03-02 | 2011-03-02 | Auxiliary mechanism for injection molding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200524403U CN202011130U (en) | 2011-03-02 | 2011-03-02 | Auxiliary mechanism for injection molding |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202011130U true CN202011130U (en) | 2011-10-19 |
Family
ID=44781736
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200524403U Expired - Fee Related CN202011130U (en) | 2011-03-02 | 2011-03-02 | Auxiliary mechanism for injection molding |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202011130U (en) |
-
2011
- 2011-03-02 CN CN2011200524403U patent/CN202011130U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111019 Termination date: 20170302 |