CN101402248B - Mould molding process for injection blow plastic hollow container - Google Patents
Mould molding process for injection blow plastic hollow container Download PDFInfo
- Publication number
- CN101402248B CN101402248B CN200810218745XA CN200810218745A CN101402248B CN 101402248 B CN101402248 B CN 101402248B CN 200810218745X A CN200810218745X A CN 200810218745XA CN 200810218745 A CN200810218745 A CN 200810218745A CN 101402248 B CN101402248 B CN 101402248B
- Authority
- CN
- China
- Prior art keywords
- injection
- blow molding
- blowing
- moulding
- temperature
- 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.)
- Active
Links
Images
Landscapes
- Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
Abstract
The invention belongs to the technical field of plastic processing, and in particular relates to a process method for forming a die of an injection blow plastic hollow container. The process method comprises the following steps of injection molding process of an injection molding machine and a blow molding process of a blow molding machine. During the injection molding process and the blow molding process, after the die is opened, a formed mandrel is always fixed inside a movable die, and a power mechanism is not required for driving the formed mandrel to rotate or perform translational movement; an injection molding blank is adhered to the mandrel; after the die is completely opened, blow molding modules on both sides of the mandrel are closed under the action of push rods; and when the blow molding modules are completely closed, the inside of the mandrel is blown with air, so that the blow molding of the hollow container is completed. The whole technique is simple to operate and maintain, and finishes the process from the blank to the product in one step; and the surface of the product has no crack and the quality of the product is easier to be guaranteed.
Description
Technical field
The invention belongs to the plastic products processing technique field, be specifically related to a kind of process of injecting blowing plastic hollow container, it mainly is meant on injection machine with the disposable process of finishing injection moulding-blow molded plastic hollow container shaped article of a mold.
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.Employing extrudes-hollow product that blow molding method is produced, 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 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, product quality is not easy to guarantee, for example: 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 objective of the invention is at above-mentioned the deficiencies in the prior art part, provide a kind of can on common injection machine, once finish injection moulding, blow molding plastic hollow goods process, its whole technological operation is easy to maintenance, one step finished from the parison to goods, product surface does not have crack, the easier assurance of product quality.
For achieving the above object, the present invention realizes by following technical scheme:
A kind of mould molding process of injecting blowing plastic hollow container, its concrete steps comprise: the blowing process of the injection moulding process of injection machine and blow moulding machine; Described injection moulding process comprises: fixed mold in (1) injection machine and moving mold closing course; (2) injection blank forming process; (3) injection machine mold open process;
Described blowing process comprises: (1) blow molding module closing course; (2) blowing moulding process; (3) opening blow molding module and moulding hollow container ejects;
Described injection moulding process and in the blowing stage, behind the mold open, the moulding plug is fixed in the dynamic model does not all the time need actuating unit to drive rotation or translation; The injection moulding blank is attached on the plug, and behind the mould complete opening, the blow molding module of core both sides is closed under the effect of push rod, and after the complete closure of blowing module, plug is inner blows, and finishes the blow molding of hollow container; Described 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 described blowing stage, blowing moulding and unlatching eject all and finish on same mould.
The barrel zone temperature control range of injection machine is in the described injection moulding process: first section temperature range of machine barrel is 120～160 ℃, 180～280 ℃ of second section temperature, and the 3rd section temperature is 180～300 ℃; Described injection machine nozzle temperature is 180～260 ℃; The temperature controlling range of the hot flow path of described injection machine mould is 180～300 ℃.
The bottle base former in the described injector and the temperature range of plug formpiston are 70～160 ℃; The one-time formed temperature of neck thread part of described bottle base is lower than 100 ℃, and the temperature at described bottle base other position except that bottleneck should be in the viscous state temperature near the elastomeric state zone when die sinking, and temperature is 70～180 ℃; The tooth head plate temperature of injector mould arrives the lower temperature range in elastomeric state zone in the vitrification point of material, is controlled at 50～120 ℃; Described parison mould has cooling effect to parison, makes parison is reduced to blow molding when leaving former optimum temperature range at 60～180 ℃, utilizes the mold temperature controller that the parison mould is added thermal control, to guarantee the cooling extent of parison.
The bottleneck of bottle base need be cooled to 50 ℃～120 ℃ in the described blowing process, and inflation moulding this moment of the body of bottle base, cooling shaping; The cooling water that blow mold will feed cooling-water machine and provides in the described blowing process is controlled the temperature of blow molding die, and described blow molding die temperature range is 20～80 ℃, and the temperature range of used cooling water is 10～12 ℃.
Injection pressure in the described injection moulding process is to realize that by the control oil cylinder range of set value of injection pressure is 80～120Mpa.
Blowing pressure is the required compressed-air actuated pressure of blow molding in the described blowing process, is 0.8～1.0M Pa for PE and PP plastics blow molding pressure limit commonly used.
The time of control is that the time set of control time parameter in the injection moulding process is:
(1) the injection delay adjustments is 0.1s;
(2) be set at 0.1～0.3s inject time;
(3) blow mold time-delay, the setting of this time are to guarantee that the parison temperature is in the temperature that helps blow molding most, and bottle is generally 0.8s, the desirable 1.5s of big bottle.
The control time parameter is set in the described blowing process:
(1) air blowing time-delay is set at 0.1～0.5s usually, and bottle base enters blow mold cavity, during temperature drift, and desirable 0.5s, otherwise get 0.1s;
The setting of (2) gassing times is relevant with the bottle specification, usually than lacking 0.5～1.0s corresponding inject time;
(3) the common value 0.1～10s of secondary gassing time.
The closure of the blow molding module of described blowing process by the push rod that the driving mechanism promotion is fixedlyed connected with the blow molding module, opens and closes the blow molding module, and the center of forming module is coaxial with the plug that has parison.
Described plug can be single row or multiple rows and arranges, and the cavity quantity of corresponding blow molding module is corresponding with it, injection blow moulding that can a mould is arranged more, multi-cavity carries out 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.
Compared with prior art, the invention has the beneficial effects as follows: 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 present invention can guarantee product quality effectively by the reasonable control of technological parameters such as temperature, pressure, time; 4, The mould features compact structure is installed easily, and operation is easy to maintenance; 5, 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
Fig. 1 is the scheme of installation of the present invention on common injection machine;
Fig. 2 is the vertical view of above-mentioned Fig. 1;
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
The mould molding process of a kind of injecting blowing plastic hollow container of the present invention, its concrete steps comprise: the blowing process of the injection moulding process of injection machine and blow moulding machine; Described injection moulding process comprises: fixed mold in (1) injection machine and moving mold closing course; (2) injection blank forming process; (3) injection machine mold open process.
Described blowing process comprises: (1) blow molding module closing course; (2) blowing moulding process; (3) opening blow molding module and moulding hollow container ejects.
At described injection moulding process and in the blowing stage, behind the mold open, the moulding plug is fixed in the dynamic model all the time, does not need actuating unit to drive rotation or translation; The injection moulding blank is attached on the plug, and behind the mould complete opening, the blow molding module of core both sides is closed under the effect of push rod, and after the complete closure of blowing module, plug is inner blows, and finishes the blow molding of hollow container; Described 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 described blowing stage, blowing moulding and unlatching eject all and finish on same mould.
In technical process of the present invention, also need to control certain temperature, as: barrel zone temperature, injection nozzle temperature, hot flow path temperature, parison mould temperature and be blow molded into the pattern temperature.Described barrel zone temperature, injection nozzle temperature, hot flow path temperature all adopt electrical heating; And parison mould temperature is to adopt water or oil to heat for the mold temperature controller of medium; Blow molding die utilizes cooling water that blow molding die is cooled off, the control mold temperature.
(1) barrel zone temperature, the selection of barrel zone temperature should guarantee that the plastics plasticizing is good, to satisfy high-quality injection requirement.Barrel zone temperature is relevant with the plastics kind of processing, different types of plastics, and its glutinous stream temperature or fusing point are different.In the injection moulding process of injection machine, the barrel zone temperature of injection machine: 120～160 ℃ of first section temperature, 180～280 ℃ of second section temperature, 180～300 ℃ of the 3rd section temperature, 180～260 ℃ of injection machine nozzle temperatures.Consider the difference of position, the degree of depth, screw diameter, oil motor torque, rotating speed and the bottle size of processing of type, thermocouple in addition, above-mentioned temperature is set and also can be changed to some extent.
(2) mold hot flow temperature mold hot flow be machine and mould structure the plastic melt flow channel that must be provided with, its temperature is set the same with 180～300 ℃ of temperature of the 3rd section temperature of machine barrel basically, and is identical or slightly high.
(3) parison mould temperature
The bottle base former in the injection molding and the temperature of plug formpiston are at 70～160 ℃.
The plastic liquid of fusion, under the extruding of rotary screw, reaching separately by injection nozzle, hot flow path, the little injection nozzle of die cavity is injected in the die cavity.The neck thread part one-shot forming of bottle base here, temperature is lower than 100 ℃; And body not moulding as yet, need secondary operations blowing, the plastic of moulding at this moment is called bottle base, in order to satisfy the requirement of secondary operations, the temperature at bottle base other position except that bottleneck should be in the viscous state temperature near the elastomeric state zone when die sinking, temperature is 70～180 ℃, accomplish this point, the design temperature of mold temperature controller will be controlled to some extent
Mould tooth head plate temperature arrives the lower temperature range in elastomeric state zone in the vitrification point of material, is controlled at 50～120 ℃.
The parison mould has cooling effect to parison, makes parison is reduced to blow molding when leaving former optimum temperature range at 60 ℃～180 ℃, utilizes the mold temperature controller that the parison mould is added thermal control, to guarantee the cooling extent of parison for this reason.
In the blowing process, the bottleneck of bottle base need be cooled to 50～120 ℃, and the body of bottle base is in this inflation moulding, cooling shaping.The cooling water blow molding die temperature that this blow molding die will feed cooling-water machine to be provided is controlled at 20～80 ℃, and the temperature of cooling water is between 10～12 ℃.
In technical process of the present invention, also need to control certain pressure limit, in order to adjust the position of pressure: the main pressure of need adjusting is injection pressure, dwell pressure, and blowing pressure.
(1) injection pressure
Injection pressure is to realize that by injection pressure control oil cylinder the setting value of injection pressure is generally 80～120MPa,
(2) do not need dwell pressure
(3) blowing pressure:
Blowing pressure is the required compressed-air actuated pressure of blow molding.Be generally 0.8～1.0M Pa for PE and PP plastics.
In technical process of the present invention, also need to control the regular hour parameter area, in injection moulding process, the time set of injection moulding control time parameter is:
(1) the injection delay adjustments is 0.1s;
(2) be set at 0.1～0.3s inject time;
(3) blow mold time-delay, the setting of this time are to guarantee that the parison temperature is in the temperature that helps blow molding most.Bottle is generally 0.8s, the desirable 1.5s of big bottle.
In the blowing process, the time set of blowing control time parameter:
(1) the air blowing time-delay should be set at 0.1～0.5s by the air blowing delay time usually.Bottle base enters blow mold cavity, during temperature drift, and desirable 0.5s, otherwise get 0.1s.
(2) gassing times,
This time set is relevant with the bottle specification, usually than lacking 0.5～1.0s corresponding inject time.
(3) secondary gassing time, value 0.1～10s usually.
As shown in Figure 1, 2, the used mould of the present invention comprises injection machine die assembly and blow moulding machine die assembly.
The injection machine membrane module 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 is made up of inlet plate assembly, substrate 103 and push pedal 102, 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 cylinder 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.Plug 101 can be single row or multiple rows and arranges, and the cavity quantity of corresponding blow molding module is corresponding with it, injection blow moulding that can a mould is arranged more, multi-cavity carries out hollow container.Processing method comprises injection moulding process, the blowing process.Injection moulding process is made up of following operation: injection machine die assembly 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 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.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.
Its concrete course of work is as follows:
Shown in Fig. 3 A, Fig. 3 B, injection moulding process 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 cover half 2.
So circulation, injection machine, blow moulding machine begin to carry out next injection moulding-blowing circulation more then.
Adopt mould molding process 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, install easily, operating maintenance is simple, and one step finished from the parison to goods, good to neutrality, product surface does not have crack, by reasonable, the accurate control of various technological parameters such as temperature, pressure and time, has guaranteed product surface quality effectively in addition, make product quality better, improved automaticity and production efficiency greatly.
Claims (8)
1. the mould molding process of an injecting blowing plastic hollow container, its concrete steps comprise: the blowing process of the injection moulding process of injection machine and blow moulding machine; Described injection moulding process comprises: fixed mold in (1) injection machine and moving mold closing course; (2) injection blank forming process; (3) injection machine mold open process;
Described blowing process comprises: (1) blow molding module closing course; (2) blowing moulding process; (3) opening blow molding module and moulding hollow container ejects;
It is characterized in that: in described injection moulding process and the blowing process, behind the mold open, the moulding plug is fixed in the dynamic model all the time, does not need actuating unit to drive rotation or translation; The injection moulding blank is attached on the moulding plug, and behind the mould complete opening, the blow molding module of moulding plug both sides is closed under the effect of push rod, and after the complete closure of blowing module, the moulding plug is inner blows, and finishes the blow molding of hollow container; Described injection moulding process 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 of described blowing process, blowing moulding and unlatching eject all and finish on same mould;
The barrel zone temperature control range of injection machine is in the described injection moulding process: first section temperature range of machine barrel is 120～160 ℃, 180～280 ℃ of second section temperature, and the 3rd section temperature is 180～300 ℃; Described injection machine nozzle temperature is 180～260 ℃; The temperature controlling range of the hot flow path of described injection machine mould is 180～300 ℃;
The temperature range of bottle base former in the described injection machine and moulding plug formpiston is 70～160 ℃; The one-time formed temperature of neck thread part of described bottle base is lower than 100 ℃, and the temperature at described bottle base other position except that bottleneck should be in the viscous state temperature near the elastomeric state zone when die sinking, and temperature is 70～180 ℃;
The tooth head plate temperature of injection machine mould arrives the lower temperature range in elastomeric state zone in the vitrification point of material, is controlled at 50～120 ℃; The parison mould has cooling effect to parison, makes parison is reduced to blow molding when leaving former optimum temperature range at 60-180 ℃, utilizes the mold temperature controller that the parison mould is added thermal control, to guarantee the cooling extent of parison.
2. the mould molding process of injecting blowing plastic hollow container according to claim 1 is characterized in that: the bottleneck of bottle base need be cooled to 50 ℃～120 ℃ in the described blowing process, and inflation moulding this moment of the body of bottle base, cooling shaping; The cooling water that blow mold will feed cooling-water machine and provides in the described blowing process is controlled the temperature of blow molding die, and described blow molding die temperature range is 20～80 ℃, and the temperature range of used cooling water is 10～12 ℃.
3. the mould molding process of injecting blowing plastic hollow container according to claim 1 is characterized in that: the injection pressure in the described injection moulding process is to realize that by the control oil cylinder range of set value of injection pressure is 80～120Mpa.
4. the mould molding process of injecting blowing plastic hollow container according to claim 1, it is characterized in that: blowing pressure is the required compressed-air actuated pressure of blow molding in the described blowing process, is 0.8～1.0M Pa for PE and PP plastics blow molding pressure limit commonly used.
5. the mould molding process of injecting blowing plastic hollow container according to claim 1 is characterized in that: the time set of control time parameter is in the injection moulding process:
(1) the injection delay adjustments is 0.1s;
(2) be set at 0.1-0.3s inject time;
(3) blow mold time-delay, the setting of this time are to guarantee that the parison temperature is in the temperature that helps blow molding most; Bottle is generally 0.8s, the desirable 1.5s of big bottle.
6. the mould molding process of injecting blowing plastic hollow container according to claim 1 is characterized in that: the control time parameter is set in the described blowing process:
(1) air blowing time-delay is set at 0.1～0.5s usually, and bottle base enters blow mold cavity, during temperature drift, and desirable 0.5s, otherwise get 0.1s;
The setting of (2) gassing times is relevant with the bottle specification, usually than lacking 0.5～1.0s corresponding inject time;
(3) the common value 0.1～10s of secondary gassing time.
7. according to the mould molding process of each described injecting blowing plastic hollow container of claim 1 to 6, it is characterized in that: the closure of the blow molding module of blowing process, promote the push rod fixedly connected with the blow molding module by driving mechanism, the blow molding module is opened and closed, and the center of forming module is coaxial with the moulding plug that has parison.
8. the mould molding process of injecting blowing plastic hollow container according to claim 7, it is characterized in that: described moulding plug can be single row or multiple rows and arranges, the cavity quantity of corresponding blow molding module is corresponding with it, injection blow moulding that can a mould is arranged more, multi-cavity carries out hollow container.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810218745XA CN101402248B (en) | 2008-10-29 | 2008-10-29 | Mould molding process for injection blow plastic hollow container |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810218745XA CN101402248B (en) | 2008-10-29 | 2008-10-29 | Mould molding process for injection blow plastic hollow container |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101402248A CN101402248A (en) | 2009-04-08 |
| CN101402248B true CN101402248B (en) | 2011-11-23 |
Family
ID=40536473
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200810218745XA Active CN101402248B (en) | 2008-10-29 | 2008-10-29 | Mould molding process for injection blow plastic hollow container |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101402248B (en) |
Families Citing this family (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011110890A1 (en) * | 2010-03-11 | 2011-09-15 | Sa Des Eaux Minerales D'evian Saeme | Method for producing plastic containers by stretch blow molding, preform, container and use of such a container |
| EA201300557A1 (en) * | 2010-11-11 | 2013-08-30 | Юнилевер Н.В. | METHOD OF FORMING A SPEED PET CONTAINER AND A PET CONTAINER |
| CN102555188A (en) * | 2010-12-29 | 2012-07-11 | 许孙钟 | Blow molding production process for box body of draw-bar box |
| DE102011055153A1 (en) * | 2011-11-08 | 2013-05-08 | Krones Aktiengesellschaft | Blowing machine with automatic process angle optimization |
| CN102785324A (en) * | 2012-08-20 | 2012-11-21 | 江西科伦医疗器械制造有限公司 | Injection moulding process of polyethylene (PE) material pieces for infusion apparatus |
| CN105235125A (en) * | 2015-05-29 | 2016-01-13 | 苏州乔布注塑工业有限公司 | Poly ethylene (PE) material injection molding process |
| CN105904705A (en) * | 2016-04-30 | 2016-08-31 | 安徽志诚机电零部件有限公司 | Blow molding process for automobile expansion tank |
| CN107377977A (en) * | 2017-07-18 | 2017-11-24 | 东莞华晶粉末冶金有限公司 | The method and apparatus that a kind of MIM techniques make mobile phone Kato |
| CN108127896A (en) * | 2017-12-08 | 2018-06-08 | 泉州精达皮塑五金工艺有限公司 | A kind of note of PET plastic blows manufacture craft and its product |
| CN108673917A (en) * | 2018-05-23 | 2018-10-19 | 云南淡定人生食品有限公司 | A kind of disposably bucket used for canned water and its production technology |
| CN110901022A (en) * | 2018-09-17 | 2020-03-24 | 广州美妆塑料制品有限公司 | Plastic bottle and manufacturing method thereof |
| CN112078115A (en) * | 2019-06-13 | 2020-12-15 | 铨宝工业股份有限公司 | Blow molding apparatus |
| CN111571993A (en) * | 2020-04-09 | 2020-08-25 | 江门敬记塑胶厂有限公司 | Blow molding process of plastic bottle with shoulder support |
| JP6727604B1 (en) * | 2020-04-23 | 2020-07-22 | 株式会社青木固研究所 | Injection stretch blow molding machine and method for molding polyethylene container |
| CN115256882B (en) * | 2022-09-26 | 2023-01-03 | 张家港市联鑫塑料机械有限公司 | Injection blow hollow molding control system based on multi-data monitoring |
| CN115284579B (en) * | 2022-09-30 | 2023-01-10 | 张家港市联鑫塑料机械有限公司 | Injection blow hollow molding machine for high-precision molding |
| CN115284580B (en) * | 2022-10-08 | 2022-12-27 | 张家港市联鑫塑料机械有限公司 | Injection blow molding intelligent manufacturing system based on remote monitoring |
| CN116061416B (en) * | 2023-04-06 | 2023-06-09 | 河北世纪恒泰富塑业有限公司 | Processing technology of electronic grade chemical hollow container |
-
2008
- 2008-10-29 CN CN200810218745XA patent/CN101402248B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN101402248A (en) | 2009-04-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101402248B (en) | Mould molding process for injection blow plastic hollow container | |
| CN100467252C (en) | Mould for injecting and blowing plastic hollow container formative product directlly | |
| CN111070637B (en) | One-step injection-blow molding die and molding process for deep-bottom PP square bottle | |
| KR102166585B1 (en) | Container molding method by injection stretch blow molding machine | |
| CN102179921B (en) | Hollow forming machine for one-step injection, drawing and blowing of plastic | |
| CN106738795B (en) | Blow molding machine special for PETG plastic internal twisted line bottle | |
| CN103921408A (en) | Method and die for making ultra thin specular injection molded part | |
| US3441982A (en) | Apparatus for injection blow moulding | |
| CN101659114A (en) | Filling machine integrating embryo manufacturing, bottle blowing, bulking and sealing into a whole | |
| CN101264663B (en) | Die for injecting and blowing plastic hollow container forming container by one-step method and single working-station, and application thereof | |
| CN104669590A (en) | Injection-stretch-blow molding device for hollow plastic product | |
| CN102501363A (en) | Blow molding device and its blow molding method | |
| CN102179898A (en) | Double-material die of small plastic parts and forming method of die | |
| CN113334652A (en) | Automobile lamp injection molding part and working method thereof | |
| CN201317103Y (en) | Mould device for injection blow plastic hollow container products | |
| CN217834466U (en) | Differential injection molding equipment for melt of pouring system | |
| CN101670659A (en) | Mould equipment for injection stretch blow plastic hollow container manufactured product and technological forming method thereof | |
| CN108000846B (en) | Forming process of flat extrusion-blow product containing internal reinforcing structure | |
| CN102837417B (en) | One-step three-station injecting, drawing and blowing plastic molding machine | |
| CN201309233Y (en) | Runner nozzle improved structure of injection molding machines | |
| CN201208794Y (en) | One-step mono-station multi-row arrangement forming mould for injection-blow plastics hollow container | |
| CN210026241U (en) | Novel stretch bending blow molding equipment for plastic bent bottle | |
| CN207156317U (en) | Produce that homogenous material is large-scale and more barrel modularization injection moulding machines of complex product | |
| CN211807615U (en) | Injection mold for control panel of drum washing machine | |
| CN2868652Y (en) | Mould for directly injecting, blowing formed plastic hollow container product |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| 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.: 2012440000190 Denomination of invention: Mould molding process for injection blow plastic hollow container Granted publication date: 20111123 License type: Exclusive License Open date: 20090408 Record date: 20120420 |