CN201317103Y - Mould device for injection blow plastic hollow container products - Google Patents
Mould device for injection blow plastic hollow container products Download PDFInfo
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- CN201317103Y CN201317103Y CNU2008202028603U CN200820202860U CN201317103Y CN 201317103 Y CN201317103 Y CN 201317103Y CN U2008202028603 U CNU2008202028603 U CN U2008202028603U CN 200820202860 U CN200820202860 U CN 200820202860U CN 201317103 Y CN201317103 Y CN 201317103Y
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- mould
- blow molding
- hollow container
- plug
- plastic hollow
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Abstract
The utility model belongs to the technical field of plastic processing, and in particualr to a mould device for injection blow plastic hollow container products, which comprises an injection molding assembly and a blow molding assembly, wherein, the injection molding assembly comprises a movable mould and a fixed mould. The movable mould is provided with a first driving mechanism which is used for controlling the opening and closing of the movable mould and the fixed mould. The fixed mould comprises a pouring head sleeve, a hot flow path and bottle blank mould cavity plates. Each bottle blank mould cavity plate is provided with at least one row of bottle blank mould cavities in longitudinal arrangement. At least one row of core rods with blow openings in longitudinal arrangement is arranged on the movable mould, and respectively corresponds to the bottle blank mould cavities on the fixed mould. Each row of core rods is also provided with one blow molding assembly. Each blow molding assembly comprises two blow molding moulds which are respectively arranged on the front and rear sides of the core rods. The inside surface of each mould is provided with at least one row of shaping mould cavities which respectively corresponds to each core rod. The opening and closing of the two moulds are controlled by a third driving mechanism. By using the utility model, the molding of the mould blanks and the blow molding of the hollow containers are all completed on the same mould.
Description
Technical field
The utility model belongs to the plastic products processing technique field, is specifically related to a kind of die apparatus of injecting blowing plastic hollow container goods.
Background technology
In the prior art, the method for processing forming of plastics blow molding hollow product mainly contains two kinds, is respectively to adopt " squeeze-blowing " and " annotating-blow " two kinds of technologies.The hollow product that adopts " extrusioning-blow " forming method to produce, the protrusion crack that appearance can not be eliminated on the product surface, the product surface profile is not attractive in appearance, and is smooth, but also unnecessary leftover pieces unavoidably appear, increase the cost of formed product and the waste of raw material.Owing to these reasons, someone has further developed the method that the hollow molding blow-molded article was annotated-blown to a kind of two-step method, its concrete grammar is to inject earlier parison on injection machine, forward on the blow moulding machine heating parison again to and be blown into the hollow container product again, in this kind two-step method processing method, production link is many, and equipment investment is big, complex forming technology is easy to generate parison and pollutes.Afterwards, in order to overcome above shortcoming, the someone had developed a kind of " three work station one-step injection blowings " and had produced the forming method of plastic hollow vessel (patent No. ZL95235116.1 for example again; Number of patent application 92208083.6), three work station one-step injection blowings are that " injection moulding, blowing " is finished on same machine.It is that three stations are spent into equilateral triangle with 120 and distributed that the notes that three stations " are annotated-blow " the hollow container bottle blow machine, and first station is the injection moulding station, and second station is the blow molding station, and the 3rd station is for taking off a bottle station.Three stations can move simultaneously, and shortcoming is: annotating-blow the used equipment of hollow container must be to annotate-blow special equipment, and the production and processing cycle is long, the expense height, and equipment investment is big, complex process, the Mould Machining difficulty is big, is difficult for grasping; Again owing to adopt the movable and rotary type core, the typing of product parison centering is relatively poor in addition, is easy to generate the even quality problems of product wall unevenness, and system configuration requires high, and adaptability is relatively poor.
The some shortcomings that exist in view of above-mentioned notes-blow hollow product special equipment, a kind of " one-step injection blower with double positions " plastic hollow vessel forming method newly developed (application for a patent for invention numbers 200610096985.8 and 200510094402.3 and utility model patent ZL 200620067438.2), its method is that a mold directly is installed on common injection machine, the notes blow molding die is set on the mould, its dynamic model is arranged to the core rod, behind the plug injecting preform, drive rotation by rotating shaft and carry out the blow molding hollow product again for 90 ° or 180 °.Plug was bad to neutrality when this method was located in blowing, blowing hollow container in uneven thickness, product quality is not easy to guarantee, for example: patent of invention (application number 200410002642.1) and utility model patent (patent No. ZL 01255074.4), it mainly is applicable in the horizontal parallel-moving type mould of two work station one-step, this method be the parison of injection moulding after injection mold injection mo(u)lding die sinking, plug and parison move to together and just carry out blowing on the blow mold of injection machine mould and form product.This method controlling of production process difficulty, mould structure is not compact, and poor location is bad to neutrality, and product quality is not easy to guarantee.
The utility model content
The purpose of this utility model is at above-mentioned the deficiencies in the prior art part, a kind of die apparatus of injecting blowing plastic hollow container goods is provided, by this die apparatus parison is finished to one step of plastic hollow goods, product surface does not have crack, the easier assurance of product quality.
Utility model is for achieving the above object, and the utility model is realized by following technical scheme:
A kind of die apparatus of injecting blowing plastic hollow container goods is characterized in that: comprise injection mould assembly and blow molding die assembly; Described injection mould assembly comprises dynamic model and cover half, and dynamic model is provided with first driving mechanism of control dynamic model and cover half folding; Cover half comprises sprue bush, hot flow path and blank bottle mold chamber plate, described every block of blank bottle mold chamber plate is provided with the blank bottle mold chamber that at least one row vertically arranges, be fixed with the plug that has inflatable mouth that at least one row vertically arranges on the dynamic model, it is corresponding one by one with the blank bottle mold chamber on the cover half; Also dispose a blow molding die assembly on every row's plug, each blow molding die assembly comprises two blow molding modules, it lays respectively at the both sides, front and back of above-mentioned plug, the medial surface of each module is provided with at least one pattern chamber of lining up, it is corresponding one by one with each plug, and the folding of two modules is by the 3rd driving mechanisms control.
Mould described in the utility model can be directly installed on the common injection machine, and after injection mould was finished the parison injection moulding, injection mould was opened, and then the blow molding die matched moulds, carries out blow molding.
Described hot flow path is to divide equally open hot flow path.
Described blank bottle mold chamber plate is a convex, so that during matched moulds, the blow molding module on the dynamic model embeds the both sides of bottle base mold cavity plate, in addition, bottom, described blank bottle mold chamber is provided with the runner injection hole.
The medial surface of described dynamic model also is provided with a push pedal of move left and right in the horizontal direction, and plug runs through the supporting blow molding die of this push pedal and push pedal lateral surface, also is provided with second driving mechanism that this push pedal of control is moved in the described push pedal.
There is a cavity described plug inside, and the bottom of cavity communicates with cylinder on being arranged on inlet plate, and the top of cavity sets out gas port, also is provided with at cavity inside and is pressed with the core rod of spring with the switching of control gas outlet.
Described dynamic model also is connected with the inlet plate assembly.
In the utility model, described first driving mechanism, second driving mechanism, the 3rd driving mechanism are hydraulic drive mechanism, pneumatic drive mechanism, electromagnetic drive mechanism or mechanical type drives structure.
Compared with prior art, the beneficial effects of the utility model are:
The utility model collection parison, blow mold and dynamic model are one, blow molding mould is installed in the both sides of dynamic mould core, finish the injection moulding of parison at injection mold after, the dynamic model of injection mold retreats with parison, blow mold and opens, core and parison are fixing all the time on dynamic model, do not need actuating unit to drive rotation or translation.The direct matched moulds of blow molding module then carries out blow molding, and this mould is injection moulding---the blow molding of once finishing hollow plastic product on common injection machine.Because core and injecting preform invariant position all the time on dynamic model, core is good to neutrality, and The mould features compact structure is installed easily, and operating maintenance is simple, and one goes on foot and finishes from the parison to goods, and product surface does not have crack, the easier assurance of product quality.
Description of drawings
Fig. 1 is the scheme of installation of the utility model on common injection machine;
Fig. 2 is the vertical view of above-mentioned Fig. 1;
Fig. 2 A is a die apparatus structural representation described in the utility model;
Fig. 2 B is the vertical view of Fig. 2 A;
Fig. 2 C is the partial enlarged drawing of Fig. 2 B;
Fig. 3 A is the structural representation behind the mould matched moulds first time described in the utility model;
Fig. 3 B is the vertical view of Fig. 3 A;
Fig. 4 A is the structural representation after the mould described in the utility model die sinking for the first time;
Fig. 4 B is the vertical view of Fig. 4 A;
Fig. 5 A is the structural representation behind the mould matched moulds second time described in the utility model;
Fig. 5 B is the vertical view of Fig. 5 A;
Fig. 6 A is the structural representation that carries out blow molding;
Fig. 6 B is the vertical view of Fig. 6 A;
Fig. 7 A is the structural representation after the mould described in the utility model die sinking for the second time;
Fig. 7 B is the vertical view of Fig. 7 A;
Fig. 8 A is the structural representation of reflection push pedal operating state described in the utility model;
Fig. 8 B is the vertical view of Fig. 8 A.
Now the utility model is described in further detail in conjunction with the accompanying drawings and embodiments:
The specific embodiment
As shown in Figure 1 and Figure 2, the die apparatus of injecting blowing plastic hollow container goods described in the utility model comprises injection mould assembly and blow molding die assembly.
Described injection mould assembly comprises dynamic model 1 and the cover half 2 that left and right directions is provided with, and wherein dynamic model 1 is by its move left and right in the horizontal direction of first driving mechanisms control, thereby realizes die sinking and matched moulds between itself and the cover half 2.
Described cover half 2 comprises sprue bush 203, hot flow path 204, blank bottle mold chamber plate 205, wherein, hot flow path 204 is to divide equally open runner, in addition, the blank bottle mold chamber 201 that a row vertically arranges is set on the blank bottle mold chamber plate 202 of the every projection that is provided with on the cover half 2,201 bottoms, blank bottle mold chamber are provided with the runner injection hole.Cover half is fixedlyed connected with the injection moulding end 302 that common injection machine is fixed.Blank bottle mold chamber plate 202 is convex shape, and when being beneficial to matched moulds, the blow molding module on the dynamic model 1 embeds the both sides of blank bottle mold chamber plate 202.
Be fixed with the plug 101 that two rows have inflatable mouth on the described dynamic model 1, corresponding one by one with the blank bottle mold chamber 201 on the above-mentioned cover half 2.Dynamic model 1 is made up of inlet plate assembly, substrate 103 and push pedal 102, push pedal 102 be arranged on substrate 103 with cover half 2 to a right side, it is subjected to the control of second group of driving mechanism can be with respect to substrate 103 left and right sides translation in the horizontal direction, be used for finished product is released, plug 101 is arranged on the substrate 103, and runs through this push pedal 102.There is a cavity 1011 plug 101 inside, the bottom of cavity 1011 communicates with cylinder 1012 on being arranged on inlet plate 6, and the top of cavity 1011 sets out gas port 1013, in addition, also be provided with a switching that is pressed with the core rod 1014 control gas outlets 1013 of a spring 1015 in cavity 1011 inside.
The outside of described push pedal 102, promptly relative with cover half 2 side is fixed with blow molding die assembly 4.Blow molding die assembly 4 of every row plug 101 configurations, blow molding die assembly 4 is made up of two blow molding modules 401,402, lay respectively at the left and right sides of the every row plug 101 on the dynamic model 1, both move forward and backward (promptly vertical with the direction of the horizontal move left and right of dynamic model) in the horizontal direction by 5 controls of the 3rd group of hydraulic drive mechanism, thereby realize the folding of two modules 401,402.In the present embodiment, because plug 101 has two row, thereby correspondingly be provided with two cover blow molding die assemblies 4, and the medial surface of each module 401,402 of blow molding die assembly 4 is provided with one and lines up pattern chamber 403, it is corresponding one by one with each plug 101.The left of described dynamic model 1 is connected with inlet plate assembly 6.
The process injection moulding of the die apparatus of injecting blowing plastic hollow container goods described in the utility model and blowing two stages of processing.Wherein injection phase is made up of following operation: injection machine matched moulds, parison injection moulding and mold open; The blowing stage is made up of following operation: the blow molding die closure, to blow, and the blow molding die die sinking is given plasticizing and product and is ejected.
After mould matched moulds injection bottle base is finished, dynamic model 1 moves, and drives plug 101 and moves together, and it is motionless that plug 101 is fixed on dynamic model 1 all the time, the injection moulding blank is attached on the plug 101, behind the mould complete opening, blow molding module 401,402 is ordered about blowing module closure under oil cylinder promotes, after blowing module 401,402 complete closures, blown simultaneously by the promotion of cylinder in plug 101 inside, finished the blow molding of hollow container by the blowing module.After blowing is finished, eject moulding moulded goods by push pedal, injection machine begins to carry out next injection moulding-blowing circulation more then.Technical process is in injection phase, mould closure, injection moulding bottle base.Behind the mold open, enter the blowing stage, at this moment, blow molding module closure, the blowing moulding hollow container is opened blow molding module and moulding hollow container and is ejected.Injection phase and in the blowing stage, behind the mold open, the moulding plug is fixed on all the time in the dynamic model and does not move, the injection blank is attached on the plug, behind the mould complete opening, blow molding module closure begins to carry out, after the complete closure of blowing module, the plug inner tensile is blown, and finishes the blow molding of hollow container.Injection phase has only the moulding of injection blank between injection and die sinking, need not pressurize and cooling and shaping, and this moment, injection machine was in the matched moulds state.The closure of the blow molding module in blowing stage, blowing moulding and unlatching eject all and finish on same mould.
The concrete course of work is as follows:
Shown in Fig. 3 A, Fig. 3 B, injection phase comprises: the injection mould closure: dynamic model 1 is from a left side and dextrad cover half 2 advances, and plug 101 is inserted in the blank bottle mold chamber 201, and the blank bottle mold chamber is to mandrel outer surface injection moulding blank 7.
Shown in Fig. 4 A, Fig. 4 B, after injection moulding finishes,, mold open: dynamic model 1 horizontal left, finish injection moulding thereby separate with cover half 2.
Shown in Fig. 5 A, 5B, the blowing stage comprises: under the driving of the 3rd driving mechanism 5 (hydraulic mechanism), two blow molding modules, 401,402 closures of blow molding die, the shaping mold cavity 403 of forward and backward both sides module closes up, and jointly every plug 101 is enclosed in the center.
Shown in Fig. 6 A, 6B, to plug 101 inner air blowings, the blank 7 of its outer surface expands and is full of the space that left and right sides shaping mold cavity 403 surrounds, and forms moulded products 8 by air blowing board component 6.
Shown in Fig. 7 A, 7B, after blowing was finished, two blow molding modules were opened in 401,402 minutes, exposed moulded products 8.
Shown in Fig. 8 A, 8B, push pedal 102 is to right translation, thereby ejects moulded products 8, and moulded products 8 drops out and is collected from the space between dynamic model 1, the cover half 2.
So circulation, injection machine begins to carry out next injection moulding again---the blowing circulation.
Adopt die apparatus of the present utility model, the production technology link that has overcome two step method and two station methods effectively is many, the shortcoming that equipment investment is big, described die apparatus compact conformation is installed easily, operating maintenance is simple, one step finished from the parison to goods, and good to neutrality, product surface does not have crack, the easier assurance of product quality has improved automaticity and production efficiency greatly.
Claims (7)
1. the die apparatus of injecting blowing plastic hollow container goods is characterized in that: comprise injection mould assembly and blow molding die assembly; Described injection mould assembly comprises dynamic model and cover half, and dynamic model is provided with first driving mechanism of control dynamic model and cover half folding; Cover half comprises sprue bush, hot flow path and blank bottle mold chamber plate, described every block of blank bottle mold chamber plate is provided with the blank bottle mold chamber that at least one row vertically arranges, be fixed with the plug that has inflatable mouth that at least one row vertically arranges on the dynamic model, it is corresponding one by one with the blank bottle mold chamber on the cover half; Also dispose a blow molding die assembly on every row's plug, each blow molding die assembly comprises two blow molding modules, it lays respectively at the both sides, front and back of above-mentioned plug, the medial surface of each module is provided with at least one pattern chamber of lining up, it is corresponding one by one with each plug, and the folding of two modules is by the 3rd driving mechanisms control.
2. the die apparatus of injecting blowing plastic hollow container goods according to claim 1 is characterized in that: described hot flow path is to divide equally open runner.
3. the die apparatus of injecting blowing plastic hollow container goods according to claim 1 is characterized in that: described blank bottle mold chamber plate is a convex, and bottom, described blank bottle mold chamber is provided with the runner injection hole.
4. the die apparatus of injecting blowing plastic hollow container goods according to claim 1, it is characterized in that: the medial surface of described dynamic model also is provided with a push pedal of move left and right in the horizontal direction, plug runs through the supporting blow molding die of this push pedal and push pedal lateral surface, also is provided with second driving mechanism that this push pedal of control is moved in the described push pedal.
5. the die apparatus of injecting blowing plastic hollow container goods according to claim 1, it is characterized in that: there is a cavity described plug inside, the bottom of cavity communicates with cylinder on being arranged on inlet plate, and the top of cavity sets out gas port, also is provided with at cavity inside and is pressed with the core rod of spring with the switching of control gas outlet.
6. the die apparatus of injecting blowing plastic hollow container goods according to claim 1 is characterized in that: described dynamic model also is connected with the inlet plate assembly.
7. the die apparatus of injecting blowing plastic hollow container goods according to claim 1 is characterized in that: described first driving mechanism, second driving mechanism, the 3rd driving mechanism are hydraulic drive mechanism, pneumatic drive mechanism, electromagnetic drive mechanism or mechanical type drives structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202028603U CN201317103Y (en) | 2008-11-04 | 2008-11-04 | Mould device for injection blow plastic hollow container products |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202028603U CN201317103Y (en) | 2008-11-04 | 2008-11-04 | Mould device for injection blow plastic hollow container products |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201317103Y true CN201317103Y (en) | 2009-09-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008202028603U Expired - Lifetime CN201317103Y (en) | 2008-11-04 | 2008-11-04 | Mould device for injection blow plastic hollow container products |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201317103Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102211385A (en) * | 2010-04-06 | 2011-10-12 | 苏州柯福礼品实业有限公司 | Structure of plastic container having flange, and mould and manufacturing method thereof |
| CN103223709A (en) * | 2012-01-31 | 2013-07-31 | 日精Asb机械株式会社 | Mold apparatus, injection molding apparatus, and injection molding method |
-
2008
- 2008-11-04 CN CNU2008202028603U patent/CN201317103Y/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102211385A (en) * | 2010-04-06 | 2011-10-12 | 苏州柯福礼品实业有限公司 | Structure of plastic container having flange, and mould and manufacturing method thereof |
| CN103223709A (en) * | 2012-01-31 | 2013-07-31 | 日精Asb机械株式会社 | Mold apparatus, injection molding apparatus, and injection molding method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Xinhua Medicine Package Co., Ltd., Taishan Assignor: Huang Jinqiang Contract record no.: 2012440000233 Denomination of utility model: Mould device for injection blow plastic hollow container products Granted publication date: 20090930 License type: Exclusive License Record date: 20120522 |
|
| CX01 | Expiry of patent term |
Granted publication date: 20090930 |
|
| CX01 | Expiry of patent term |