CN201525120U - Mold apparatus of injection stretch blow molding hollow container products - Google Patents
Mold apparatus of injection stretch blow molding hollow container products Download PDFInfo
- Publication number
- CN201525120U CN201525120U CN2009201936210U CN200920193621U CN201525120U CN 201525120 U CN201525120 U CN 201525120U CN 2009201936210 U CN2009201936210 U CN 2009201936210U CN 200920193621 U CN200920193621 U CN 200920193621U CN 201525120 U CN201525120 U CN 201525120U
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- hollow container
- core
- injecting
- bottle base
- stretching
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Abstract
The utility model belongs to the field of plastic processing technology. A mold apparatus of injection stretch blow molding hollow container products includes injection mould components, blow moulding components and stretching device, wherein the injection mould components include a movable mold and a stationary mold, the stationary mold includes a sprue bush, a hot runner and a bottle blank mold cavity board, each bottle blank mold cavity board is provided with at least a row of hollow molding cores in vertical array, the hollow molding cores are in one-to-one correspondence to the bottle blank mold cavity on the stationary mold; each row of molding cores is also provided with a blow moulding component, each blow moulding component includes two blow moulding molding modules, at least a row of forming die chambers are provided in the inner lateral surface of each module, in one-to-one correspondence to each molding core, the stretching device includes a plurality of stretching bars capable of performing axial tension to the bottle blank and a driving mechanism drive the stretching bars to move. The utility model can directly achieve injection, stretching and blowing of hollow plastic container at an ordinary injection molding machine in one step, hollow plastic containers, without any special equipment; has high production automation degree and production efficiency; the mold has compact structure, easy installation, and simple operation and maintenance.
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, drawing and blowing plastic hollow container goods.
Background technology
At present, annotating the stretch blow technology is a ring important in the polymer processing field, has advantages such as the goods of raising mechanical property, barrier properties for gases, and applied range is the irreplaceable a kind of forming techniques of other injecting blowing plastic hollow product make-up machines.Notes-La-blow container is through after the biaxial tension, and impact flexibility, low temperature intensity, transparency, lustrous surface, rigidity and barrier etc. have all had significantly to be improved, and chamber wall is thin, light weight, conservation.The characteristics of notes-La-blow are directly to have made the die bed base, and the parison internal and external temperature evenly helps stretching; Article shape is accurate, non-trimming; Bottleneck quality height, the bottle end, is smoothly even.Notes-La-blow hollow container based on transparent bottle, material is PET, PP, PC, PE etc., is widely used in the packing of beverage, medicine, food, cosmetics and health products etc.
In the prior art, annotate the stretch blow processing process and be divided into one-step method and two-step method.One-step method is to finish the whole forming process of expecting container from former on an equipment.One-step method is divided into " three stations " and " four stations " two kinds of technologies again, and wherein, " three stations " equipment comprises that injection bottle base, product molding, goods such as eject at three stations; " four stations " equipment comprises that injection bottle base, bottle base adjust temperature, product molding, goods and four stations such as eject.Two-step process needs two equipment to finish the forming process of expecting goods by former.At first, adopt special-purpose injector to finish the moulding of parison, will inject good bottle base then and be transported to again and heat on the bottle blowing machine, adjust a bottle temperature, finish blowing, goods conveying overall process.Two-step method mainly is fit to produce in enormous quantities.
" one-step method " annotates the high-efficiency appliance that stretch blow hollow plastic make-up machine carries out operations such as injection parison, heating parison, stretching parison and blowing, the moulded products demoulding continuously on same equipment." one-step method " annotated stretch blow hollow plastic make-up machine and can be divided into according to molding procedure: annotate stretch blow hollow plastic make-up machine with " three stations " that the blue or green wood of Japan is representative admittedly, annotate stretch blow hollow plastic make-up machine with " four stations " that Japanese day essence is representative." three stations " with " four stations " main distinction is, " three stations " is that injection parison and heating parison are finished on an operation, and " four stations " is that injection parison and heating parison are finished on two operations.Now, to blow the hollow plastic make-up machine all be the solid and Japan's day smart equipment of the blue or green wood of Japan to the notes rubbish that uses of China basically.
At present, at home and abroad be to use one-step method to produce notes stretch blow hollow product, all adopt special equipment production, it is huge to inject capital into.At these reasons, research and develop a kind of mould of annotating stretch blow moulding hollow product of on common injection machine, once finishing, annotate the stretch blow hollow product with energy-conservation, low-cost, high-quality and efficient production, this with small investment, cost is low and have the production method of price competitiveness, is applicable to the hollow product specification, profile is changeable and the mode of production produced in batches.
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, drawing and blowing plastic hollow container goods is provided, it can once finish injection moulding-stretching-blowing function on common injection machine, by this die apparatus parison is gone on foot finishes to plastic hollow goods one, product surface does not have crack, improve the intensity of transparency, the uniformity and the product of plastic hollow goods, make 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, drawing and blowing plastic hollow container goods comprises injection mould assembly, blow molding die assembly and stretching device; Described injection mould assembly comprises dynamic model and cover half, and dynamic model is provided with the drive unit of control dynamic model and cover half folding; Cover half comprises sprue bush, hot flow path and bottle base mold cavity plate, described every bottle base mold cavity plate is provided with the bottle base die cavity that at least one row vertically arranges, be fixed with at least one row vertically arranges have inflatable mouth and be the one-tenth core of hollow on the dynamic model, it is corresponding one by one with bottle base die cavity on the cover half; Whenever line up and also dispose a blow molding die assembly on the core, each blow molding die assembly comprises two blow molding modules, it lays respectively at the both sides of above-mentioned one-tenth core, the medial surface of each module is provided with at least one pattern chamber of lining up, it becomes core corresponding one by one with each, and described stretching device comprises the driving mechanism that places the moulding in-core bottle base can be carried out stretching rod axial and that radially stretch simultaneously and drive this stretching rod motion.
As the further improvement of above-mentioned technology, also be provided with on the described stretching rod and stretching rod can be return the resetting means that resets.
Specifically, described resetting means is the elastic compression spring that is set in the stretching rod rearward end.
Further improvement as above-mentioned technology, the driving mechanism that described driving stretching rod stretches is for driving cylinder, described resetting means can also be the inlet plate that is communicated with driving cylinder gas, and the gas outlet end of the inlet channel of described inlet plate is communicated with above-mentioned driving cylinder block.
At hot flow path described in the utility model is to divide equally open runner, described bottle base mold cavity plate is a convex, described bottle base die cavity bottom 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, become core to run through the supporting blow molding die of this push pedal and push pedal lateral surface, also be provided with the driving mechanism that this push pedal of control is moved in the described push pedal.The bottom of described moulding in-core portion hollow cavity communicates with the cylinder on being arranged on inlet plate, and the inflatable mouth that is used for blowing is arranged at the top or the medium position of cavity.
Compared with prior art, the beneficial effects of the utility model are:
(1) the utility model directly uses common injection machine, and one-step method is finished injection moulding, stretching, blowing hollow plastic container, does not need special equipment, simplifies working process, and reduces its equipment cost;
(2) notes stretch blow die apparatus described in the utility model can make parison finish to plastic hollow goods one step, and product surface does not have crack, can improve the intensity of transparency, the uniformity and the product of plastic hollow goods effectively, makes the easier assurance of product quality.
(3) notes stretch blow die apparatus production automation degree described in the utility model and production efficiency height;
(4) notes stretch blow die apparatus compact conformation described in the utility model is installed easily operation, easy to maintenance.
Description of drawings
Now the utility model is described in further detail in conjunction with the accompanying drawings and embodiments:
Fig. 1 is the side view of the utility model embodiment one described die apparatus;
Fig. 2 is the vertical view of above-mentioned Fig. 1;
Fig. 3 becomes core and stretching device structural representation among above-mentioned Fig. 2;
Fig. 4 is the side view of the utility model embodiment two described die apparatus;
Fig. 5 is the vertical view of above-mentioned Fig. 4;
Fig. 6 becomes core and stretching device structural representation among above-mentioned Fig. 5;
Fig. 7 is the structural representation of the utility model embodiment three described one-tenth cores and stretching device.
The specific embodiment
Embodiment one:
As shown in Figure 1 and Figure 2, the die apparatus of a kind of injecting, drawing and blowing plastic hollow container goods described in the utility model comprises injection mould assembly, blow molding die assembly and stretching device; The injection mould assembly comprises dynamic model 4 and cover half 1, and dynamic model 4 is provided with the driving oil cylinder 13 of control dynamic model 4 and cover half 1 folding, drives oil cylinder 13 and is installed on the cylinder bracket 12; Cover half 1 comprises sprue bush 7, hot flow path 6 and bottle base mold cavity plate 5, described every bottle base mold cavity plate 5 is provided with the bottle base die cavity 51 that a row vertically arranges, be fixed with vertical having inflatable mouth and being the one-tenth core 11 of hollow of arranging of a row on the dynamic model 4, it is corresponding one by one with bottle base die cavity 51 on the cover half 1, described bottle base mold cavity plate 5 is a convex, bottle base die cavity 51 bottoms are provided with the runner injection hole, and hot flow path 6 is to divide equally open runner; Whenever line up and also dispose a blow molding die assembly on the core 11, each blow molding die assembly comprises two blow molding modules 8, it lays respectively at the both sides of above-mentioned one-tenth core 11, and the medial surface of each blow molding module 8 is provided with at least one pattern chamber of lining up, and it becomes core corresponding one by one with each.The medial surface of dynamic model 4 also is provided with a push pedal 2 of move left and right in the horizontal direction, becomes core 11 to run through the supporting blow molding die assembly of this push pedal 2 and push pedal 2 lateral surfaces, also is provided with the driving mechanism that this push pedal 2 of control is moved in the push pedal 2.
There is a cavity described one-tenth core 11 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 that spring opens and closes with the control gas outlet.
In the present embodiment, described stretching device comprises the interior driving mechanism that injection moulding bottle base 10 can be carried out stretching rod 17 axial and that radially stretch simultaneously and drive these stretching rod 17 motions in the cavity that places into core 11, this driving mechanism can be fitted actual needs and be selected the driving cylinder for use, drive oil cylinder or drive motors etc., in Fig. 1, what driving mechanism was selected for use is draft cylinder 19, its piston rod is connected with the end of stretching rod 17, promotion by draft cylinder 19 make injection moulding bottle base 10 in inflation radially also along axially stretching forward, be stretched to suitable length, to correspond to actual needs.
In the utility model, after notes are blown over the journey end, stretching rod 17 can be return Flexible Reset compression spring 20 in order to make stretching rod 17 energy homings, also to be provided with on the described stretching rod 17, this elastic compression spring 20 is set in the rearward end of stretching rod 17.
The course of work of the die apparatus of the utility model injecting, drawing and blowing plastic hollow container goods is as follows:
After mould matched moulds injection bottle base 10 is finished, dynamic model 4 moves, and drives into core 11 and moves together, and it is motionless that one-tenth core 11 is fixed on dynamic model all the time, injection moulding blank 10 is attached on the plug, behind the mould complete opening, blow molding module 8 is under oil cylinder 13 promotes, and push rod 9 makes blowing module 8 closures, after blowing module 8 complete closures, become core 11 inside in the promotion of draft cylinder 19 parison to be stretched, blow simultaneously, finish the blow molding of hollow container by blowing module 8 by stretching rod 17.After blowing is finished, with stretching rod 17 homings, be sealed to the air admission hole of core 11 ends simultaneously by elastic compression spring 20.Eject moulding moulded goods by push pedal 2 again, injection mold equipment begins to carry out next injection moulding-stretching-blowing process more then, so circulation.
Embodiment two:
Present embodiment and previous embodiment one are basic identical, its difference is: as Fig. 4, Fig. 5, shown in Figure 6, described every bottle base mold cavity plate 5 is provided with the bottle base die cavity 51 that two rows vertically arrange, be fixed with vertical having inflatable mouth and being the one-tenth core 11 of hollow of arranging of two rows on the dynamic model 4, it is corresponding one by one with bottle base die cavity 51 on the cover half 1, and the gas outlet that is used to blow in described one-tenth core 11 cavitys is arranged on into the medium position of core 11.
Embodiment three:
Present embodiment and previous embodiment one are basic identical, and its difference is: as shown in Figure 7, the gas outlet that is used to blow in described one-tenth core 11 cavitys is arranged on into the medium position of core 11.
Described in addition inlet plate 30 is provided with the inlet channel 21 that is communicated with the cylinder body of draft cylinder 19, and the gas outlet of inlet channel 21 directly is communicated with draft cylinder 19 cylinder bodies.After blowing is finished, feed gases by the inlet channel 21 of inlet plate 30 to draft cylinder 19, be sealed to the air admission hole of core 11, the pressure by gas shrinks back the piston rod of draft cylinder 19, return thereby drive stretching rod 17, to finish the work that resets of stretching rod 17 smoothly.Eject moulding moulded goods by push pedal 2 again, injection mold equipment begins to carry out next injection moulding-stretching-blowing process more then, so circulation.
Notes stretch blow 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, install easily, operating maintenance is simple, and one step finished from the parison to goods, and is good to neutrality, product surface does not have crack, can improve the intensity of transparency, the uniformity and the product of plastic hollow goods effectively, make and the easier assurance of product quality improved automaticity and production efficiency greatly.
The utility model is not limited to above-mentioned embodiment, if various changes of the present utility model or modification are not broken away from spirit and scope of the present utility model, if these are changed and modification belongs within claim of the present utility model and the equivalent technologies scope, then the utility model also comprises these changes and modification.
Claims (9)
1. the die apparatus of injecting, drawing and blowing plastic hollow container goods is characterized in that: comprise injection mould assembly, blow molding die assembly and stretching device; Described injection mould assembly comprises dynamic model and cover half, cover half comprises sprue bush, hot flow path and bottle base mold cavity plate, described every bottle base mold cavity plate is provided with the bottle base die cavity that at least one row vertically arranges, be fixed with at least one row vertically arranges have inflatable mouth and be the one-tenth core of hollow on the dynamic model, it is corresponding one by one with bottle base die cavity on the cover half; Whenever line up and also dispose a blow molding die assembly on the core, each blow molding die assembly comprises two blow molding modules, it lays respectively at the both sides of above-mentioned one-tenth core, the medial surface of each module is provided with at least one pattern chamber of lining up, it becomes core corresponding one by one with each, and described stretching device comprises the driving mechanism that places the moulding in-core bottle base can be carried out the stretching rod of axial tension and drive this stretching rod motion.
2. the die apparatus of injecting, drawing and blowing plastic hollow container goods according to claim 1 is characterized in that: also be provided with on the described stretching rod and stretching rod can be return the resetting means that resets.
3. the die apparatus of injecting, drawing and blowing plastic hollow container goods according to claim 2 is characterized in that: described resetting means is the elastic compression spring that is set in the stretching rod rearward end.
4. the die apparatus of injecting, drawing and blowing plastic hollow container goods according to claim 2 is characterized in that: the driving mechanism that described driving stretching rod stretches is for driving cylinder.
5. the die apparatus of injecting, drawing and blowing plastic hollow container goods according to claim 4 is characterized in that: the inlet plate of described resetting means for being communicated with driving cylinder gas, the gas outlet of the inlet channel of described inlet plate is communicated with the driving cylinder block.
6. the die apparatus of injecting, drawing and blowing plastic hollow container goods according to claim 1 is characterized in that: described hot flow path is to divide equally open runner.
7. the die apparatus of injecting, drawing and blowing plastic hollow container goods according to claim 1 is characterized in that: described bottle base mold cavity plate is a convex, and described bottle base die cavity bottom is provided with the runner injection hole.
8. the die apparatus of injecting, drawing and 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, become core to run through the supporting blow molding die of this push pedal and push pedal lateral surface, also be provided with the driving mechanism that this push pedal of control is moved in the described push pedal.
9. the die apparatus of injecting, drawing and blowing plastic hollow container goods according to claim 1, it is characterized in that: the bottom of described moulding in-core portion hollow cavity communicates with the cylinder on being arranged on inlet plate, and the inflatable mouth that is used for blowing is arranged at the top or the medium position of cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201936210U CN201525120U (en) | 2009-08-28 | 2009-08-28 | Mold apparatus of injection stretch blow molding hollow container products |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201936210U CN201525120U (en) | 2009-08-28 | 2009-08-28 | Mold apparatus of injection stretch blow molding hollow container products |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201525120U true CN201525120U (en) | 2010-07-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201936210U Expired - Lifetime CN201525120U (en) | 2009-08-28 | 2009-08-28 | Mold apparatus of injection stretch blow molding hollow container products |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201525120U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112399910A (en) * | 2019-06-11 | 2021-02-23 | 株式会社青木固研究所 | Hot runner device, method of branching molten resin in hot runner device, and injection stretch blow molding machine |
-
2009
- 2009-08-28 CN CN2009201936210U patent/CN201525120U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112399910A (en) * | 2019-06-11 | 2021-02-23 | 株式会社青木固研究所 | Hot runner device, method of branching molten resin in hot runner device, and injection stretch blow molding machine |
| CN112399910B (en) * | 2019-06-11 | 2021-06-08 | 株式会社青木固研究所 | Hot runner device, method of branching molten resin in hot runner device, and injection stretch blow molding machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100714 |