CN201208794Y - One-step mono-station multi-row arrangement forming mould for injection-blow plastics hollow container - Google Patents
One-step mono-station multi-row arrangement forming mould for injection-blow plastics hollow container Download PDFInfo
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- CN201208794Y CN201208794Y CNU2008200427045U CN200820042704U CN201208794Y CN 201208794 Y CN201208794 Y CN 201208794Y CN U2008200427045 U CNU2008200427045 U CN U2008200427045U CN 200820042704 U CN200820042704 U CN 200820042704U CN 201208794 Y CN201208794 Y CN 201208794Y
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- mould
- blow molding
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- bottle base
- injection
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Abstract
The invention discloses a multi-row arranged mould of a hollow plastic container molded and blew by a one-step method and a single-station way, comprising a moving mould and a fixed mould; the moving mould is formed into a whole by at least one row of longitudinally arranged core rods with gas blowing openings and blow molding moulds corresponding to the gas blowing openings one by one; the blow molding moulds are installed at two sides of the core rods of the moving mould and are driven to close by a drive unit to drive a push rod; before matched moulds for molding a parison, the drive unit drives the push rod so that the blow molding moulds are respectively arranged at two sides of the core rods; when in matched moulds for molding the parison, the blow molding moulds are embedded in two sides of bottle base mould cavity plates; the fixed mould is composed of hot runners and the bottle base mould cavity plates of at least one row of longitudinally arranged bottle base mould cavities, and the sprue gates of the runners are corresponding to the mould cavities of the bottle base mould cavity plates one by one; and the bottle base mould cavity plates are in convex shapes, and the blow molding moulds can be embedded in two sides of the bottle base mould cavity plates. Molding the parison and molding and blowing the hollow container are realized on the same mould really by adopting the mould provided by the utility model.
Description
Technical field
The utility model relates in plastic processing, fix with the single station of one-step method, core, blowing core and parison do not rotate or not translation in the blowing process, once finish the one-step injection blower hollow container mould of injection moulding-blow molded plastic hollow container moulding, are mainly used on the common injection machine.
Background technology
In the blowing hollow product molding process of plastics, main " squeeze-blowing " and " annotating-blow " the two kinds of technologies that adopt.Employing extrudes-hollow product that blow molding method is produced, and the protrusion crack that can not eliminate appears on product surface, and make product surface not attractive in appearance, smooth.And unnecessary leftover pieces unavoidably appear, increase the cost of formed product and the waste of raw material.Owing to these reasons, developed a kind of two-step method and annotated---blow the method for hollow molding blow molded product.Its method is earlier to inject parison on injection machine, forwards that the heating parison is blown into the hollow container product again on the blow moulding machine to again, and in this two-step method processing method, production link is many, and equipment investment is big, and complex forming technology is easy to generate parison and pollutes.Recently, in order to overcome above shortcoming, developed the forming method (patent No. ZL95235116.1 that a kind of " three work station one-step injection blowings " produces plastic hollow vessel; 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 the equilateral triangle distribution with 120 that the notes of three stations " notes blow " 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: the equipment of annotating-blow hollow container is 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; Owing to adopt the movable and rotary type core, the typing of product parison centering is relatively poor, is easy to generate the even quality problems of product wall unevenness, and system configuration requires high, and adaptability is relatively poor.
In view of above-mentioned notes blow the some shortcomings that the hollow product special equipment exists, developed a kind of " one-step injection blower with double positions " plastic hollow vessel forming method (application for a patent for invention numbers 200610096985.8 and 200510094402.3 and utility model patent ZL200620067438.2), 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, and product quality is not easy to guarantee.Patent of invention (application number 200410002642.1) and utility model patent (patent No. ZL01255074.4), 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.
Summary of the invention
The purpose of this utility model is at above-mentioned the deficiencies in the prior art part, providing a kind of fixes with the single station of one-step method, core on common injection machine, core does not rotate or not translation, once finishes many rows one-step injection blower hollow container mould of injection moulding-blow molded plastic hollow container shaped article.
For achieving the above object, many rows that the single station of one-step method described in the utility model is annotated a blowing material hollow container arrange mould, comprise the dynamic model and the cover half that are directly installed on the common injection machine; Dynamic model is formed one by the vertical plug of arranging that has inflatable mouth of at least one row and with its blow molding module one to one; The blow molding module is installed in the both sides of dynamic model plug, directly drives push rod by drive unit and makes blow molding module drive closure; Before the mold-closing injection parison, drive push rod by drive unit and make the blow molding module open the both sides that split at plug; During the mold-closing injection parison, the blow molding module embeds the both sides of bottle base mold cavity plate; Cover half is by being provided with the vertically bottle base mold cavity plate in the blank bottle mold chamber of arrangement of at least one row, and hot flow path is formed, and hot flow path is to divide equally open runner, and the runner sprue gate is corresponding one by one with the shaping mold cavity of bottle base mold cavity plate; The bottle base mold cavity plate is a convex shape, and the blow molding module can embed the both sides of bottle base mold cavity plate.
Above-mentioned moulding plug is fixed in the dynamic model all the time, does not rotate or translation; The blow molding module of plug both sides installation activity is connected and fixed with push rod, drives push rod by drive unit and makes its closed or unlatching; The center of blow molding module is coaxial with the plug that has parison.
Above-mentioned mould molding plug, by inlet plate, the substrate of stationary core rod, mandrel holder, core rod, the gas outlet, cylinder and spring are formed.
Above-mentioned mould plug can be single row or multiple rows and arranges, and the shaping mold cavity of bottle base mold cavity plate is corresponding with one one.But a multi-cavity mold carries out the injection blow moulding of hollow container.
But the medial surface of above-mentioned dynamic model is provided with the push pedal of a horizontal direction move left and right, and plug runs through this push pedal, and push pedal lateral surface supporting blow molding die, the moving by second driving mechanisms control of this push pedal.
There is a cavity above-mentioned 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, in addition, also is provided with a switching that is pressed with the core rod control gas outlet of a spring at cavity inside.
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.
Mold open described in the utility model, plug are followed moving platen all the time and are opened mobile and invariant position, and the parison blank is attached on the plug.Plug does not need actuating unit to drive rotation or translation.
The plug of mould described in the utility model can be single row or multiple rows and arranges, but a multi-cavity mold carries out the injection blow moulding of hollow container.
Parison, blow mold and dynamic model are one, the blow molding module 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.
The utility model has the following advantages compared with the prior art: 1, directly use common injection machine, the production technology link that overcomes two step method and two station methods is many, the shortcoming that equipment investment is big; 2, production automation degree and production efficiency height; 3, The mould features compact structure is installed easily, and operation is easy to maintenance; 4, one step finished from the parison to goods, and good to neutrality, product surface does not have crack, the easier assurance of product quality.
Description of drawings
Figure 1A is the scheme of installation of the present invention on common injection machine;
Figure 1B is the vertical view of Figure 1A;
Fig. 2 A is the structural representation of mould that the present invention chats;
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 of the present invention;
Fig. 3 B is the vertical view of Fig. 3 A;
Fig. 4 A is the structural representation after the mould of the present invention 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 of the present invention;
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 of the present invention 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 of the present invention;
Fig. 8 B is the vertical view of Fig. 8 A.
Now the invention will be further described in conjunction with the accompanying drawings and embodiments:
The specific embodiment
As shown in Figure 1, 2, the utility model comprises dynamic model 1 and the cover half 2 that left and right directions is provided with.Dynamic model 1 is by its move left and right in the horizontal direction of one group of driving mechanisms control, thus can with cover half 2 opening and closing.
Be fixed with the plug 101 that two rows have inflatable mouth on the dynamic model 1, corresponding one by one with the blank bottle mold chamber 201 on the above-mentioned cover half 2.Dynamic model 1 by inlet plate 6, use with the substrate 103 and the push pedal 102 of stationary core rod and form, push pedal 102 be arranged on substrate 103 with cover half 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 communicates with gas 1011 on being arranged on inlet plate 6, and the top of cavity sets out gas port 1013, in addition, also is 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 push pedal 102, promptly relative with a cover half side is fixed with blow molding die assembly 4.Blow molding die assembly 4 of every row plug configuration, 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 be correspondingly provided with two cover blow molding die assemblies.The medial surface of each module 401,402 of blow molding die assembly is provided with one and lines up pattern chamber 403, and is corresponding one by one with each plug 101.
The left of dynamic model 1 is connected with inlet plate assembly 6.
Processing method comprises injection moulding, the blowing process segment.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 moves, and drives plug and moves together, and it is motionless that plug is fixed on dynamic model all the time, the injection moulding blank is attached on the plug, behind the mould complete opening, the blow molding module is under oil cylinder promotes, and push rod makes blowing module closure, after the complete closure of blowing module, blown simultaneously by the promotion of cylinder in plug inside, finished the blow molding of hollow container by the blowing module.After blowing is finished, eject moulded products 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.Its technical characterictic is 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.
Detailed process 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.After injection moulding finishes, shown in Fig. 4 A, Fig. 4 B, 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 quiet mould 2.
Thereby a production cycle is finished at this point, and injection machine begins to carry out next injection moulding more then---the blowing circulation.
Adopt mould of the present invention, the production technology link that can overcome two step method and two station methods is many, the shortcoming that equipment investment is big, The mould features compact structure 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 (5)
1. many rows of the single station notes-blowing of one-step method material hollow container arrange mould, comprise the dynamic model and the cover half that are directly installed on the common injection machine; It is characterized in that:
Described dynamic model is formed one by the vertical plug of arranging that has inflatable mouth of at least one row and with its blow molding module one to one, the blow molding module is installed in the both sides of dynamic model plug, directly drives push rod by drive unit and makes blow molding module drive closure; Before the mold-closing injection parison, drive push rod by drive unit and make the blow molding module open the both sides that split at plug; During the mold-closing injection parison, the blow molding module embeds the both sides of bottle base mold cavity plate;
Described cover half is by being provided with the vertically bottle base mold cavity plate in the blank bottle mold chamber of arrangement of at least one row, and hot flow path is formed, and hot flow path is to divide equally open runner, and the runner sprue gate is corresponding one by one with the shaping mold cavity of bottle base mold cavity plate; The bottle base mold cavity plate is a convex shape, and the blow molding module can embed the both sides of bottle base mold cavity plate.
2. by the described mould of claim 1, it is characterized in that: described moulding plug is fixed in the dynamic model all the time, does not rotate or translation; The blow molding module of plug both sides installation activity is connected and fixed with push rod, drives push rod by drive unit and makes its closed or unlatching; The center of blow molding module is coaxial with the plug that has parison.
3. by the described mould of claim 1, it is characterized in that: described mould plug can be single row or multiple rows and arranges, and the shaping mold cavity of bottle base mold cavity plate is corresponding with one one, but a multi-cavity mold carries out the injection blow moulding of hollow container.
4. by the described mould of claim 1, it is characterized in that: but the medial surface of described dynamic model is provided with the push pedal of a horizontal direction move left and right, and plug runs through this push pedal, and push pedal lateral surface supporting blow molding die, the moving by second driving mechanisms control of this push pedal.
5. by the described mould of 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, in addition, also be provided with a switching that is pressed with the core rod control gas outlet of a spring at cavity inside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200427045U CN201208794Y (en) | 2008-01-10 | 2008-01-10 | One-step mono-station multi-row arrangement forming mould for injection-blow plastics hollow container |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200427045U CN201208794Y (en) | 2008-01-10 | 2008-01-10 | One-step mono-station multi-row arrangement forming mould for injection-blow plastics hollow container |
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| Publication Number | Publication Date |
|---|---|
| CN201208794Y true CN201208794Y (en) | 2009-03-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200427045U Expired - Lifetime CN201208794Y (en) | 2008-01-10 | 2008-01-10 | One-step mono-station multi-row arrangement forming mould for injection-blow plastics hollow container |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201208794Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106079375A (en) * | 2016-06-28 | 2016-11-09 | 嘉兴亚欧光电科技有限公司 | Injection blow mould |
-
2008
- 2008-01-10 CN CNU2008200427045U patent/CN201208794Y/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106079375A (en) * | 2016-06-28 | 2016-11-09 | 嘉兴亚欧光电科技有限公司 | Injection blow mould |
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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: Taishan Junhua Plastic Mould Co., Ltd. Contract fulfillment period: 2008.2.20 to 2015.2.20 Contract record no.: 2009440000303 Denomination of utility model: One-step mono-station multi-row arrangement forming mould for injection-blow plastics hollow container Granted publication date: 20090318 License type: Exclusive license Record date: 20090422 |
|
| LIC | Patent licence contract for exploitation submitted for record |
Free format text: EXCLUSIVE LICENSE; TIME LIMIT OF IMPLEMENTING CONTACT: 2008.2.20 TO 2015.2.20; CHANGE OF CONTRACT Name of requester: TAISHAN CITY XINHUA MEDICINAL PACKING CO., LTD. Effective date: 20090422 |
|
| CX01 | Expiry of patent term |
Granted publication date: 20090318 |
|
| CX01 | Expiry of patent term |