CN102501363A - Blow molding device and its blow molding method - Google Patents
Blow molding device and its blow molding method Download PDFInfo
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- CN102501363A CN102501363A CN2011103938509A CN201110393850A CN102501363A CN 102501363 A CN102501363 A CN 102501363A CN 2011103938509 A CN2011103938509 A CN 2011103938509A CN 201110393850 A CN201110393850 A CN 201110393850A CN 102501363 A CN102501363 A CN 102501363A
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Abstract
The invention discloses a blow molding device and its blow molding method. The blow molding device comprises a frame, an extrusion mechanism, a die, a clamping mechanism, a lower blowing mechanism, manipulators and a controller. The clamping mechanism comprises at least two clamping units each of which is provided with a first guide rail for leading movement of the clamping unit; the blow molding device also comprises a second guide rail for leading movement of the manipulators, wherein the second guide rail is perpendicularly arranged relative to the first guide rail; after clamping, pipe billets cling to the clamping mechanism under action of windpower blown from the lower blowing mechanism, and a closed space is formed in the blow molding products; the device also comprises a low temperature liquid spraying mechanism one end of which is communicated with the closed space of the blow molding product for cooling the blow molding product after blow molding the products by spraying low temperature liquid. The invention changes the existing cooling style and the liquid cooling mode is adopted in the invention for cooling the thin wall products after the products are basically molded, quickens the cooling speed and raises the surface quality of products.
Description
Technical field
The invention belongs to the blow molding technical field, relate to a kind of blow molding apparatus, relate in particular to a kind of liquid-cooling type blow molding apparatus; Simultaneously, the invention still further relates to the blow molding method of above-mentioned blow molding apparatus.
Background technology
Existing blow moulding machine mainly comprises frame, extrusion mechanism, die head, clamping, bottom blow structure, and its working method is: after sealant was gushed out, the wind-force that utilizes machine to produce by boasting blew the die cavity that is attached to definite shape with plastomer, thereby processes product.Plastics are melted in screw extruder and quantitatively extrude, and then through closing the film moulding, through vane blowing cooling, have hauling machine to draw by certain speed then again, and up-coiler is wound into volume.
A kind of stretch blow molding shaping method of container bottle is disclosed like Chinese patent CN 200610119347.3; The molten resin bottle base is sent into the baking oven heating; Heating process is to the cooling of drying of the reservation handle position section of bottle base; Make this section of bottle base temperature be lower than other portion temperature, heating bottle blank is sent in bottle type die carried out the stretch blow moulding then with stretch.
The type of cooling of existing blow moulding machine is the mode through air cooling, and its defective is that cooling velocity is slow; Meanwhile, because air cooling needs the long period, make products surface quality bad.
Summary of the invention
Technical problem to be solved by this invention is: a kind of blow molding apparatus is provided, can accelerates cooling velocity, improve quality of item.
In addition, the present invention also provides the blow molding method of above-mentioned blow molding apparatus, can accelerate cooling velocity, improves quality of item.
For solving the problems of the technologies described above, the present invention adopts following technical scheme:
A kind of blow molding apparatus comprises: frame, extrusion mechanism, die head, clamping, bottom blow structure, manipulator, controller;
Said controller connects extrusion mechanism, die head, clamping, bottom blow structure, manipulator respectively, in order to control extrusion mechanism, die head, clamping, bottom blow structure, manipulator co-operating;
Said clamping comprises at least two closing units, and each closing unit has first guide rail of corresponding guiding closing unit motion; Said blow molding apparatus also comprises second guide rail that the said manipulator of guiding moves, and this second guide rail is laid with first guide rail is vertical;
Behind the clamping matched moulds, the pipe embryo is close in the clamping under the effect of the wind-force that said bottom blow structure blows out, the inner confined space that forms of blow molding product;
Said device further comprises the cryogenic liquid spraying mechanism, and the one of which termination is gone into the confined space of blow molding product, in order to after the product blow molding, to spray cryogenic liquid cooling blow molding product.
As a kind of preferred version of the present invention; Said cryogenic liquid spraying mechanism comprises at least one rotary nozzle, at least one liquid delivery tube, liquid pump; One end of liquid delivery tube connects rotary nozzle; The other end connects the liquid pump, and said rotary nozzle evenly is sprayed to cooling liquid the inside confined space of blow molding product;
Said bottom blow structure comprises at least one air blowing joint, at least one gas blow pipe, air pump, and a gas blow pipe and a liquid delivery tube are arranged in the same joint.
As a kind of preferred version of the present invention, said device also comprises:
The air pressure control module is in order to the air pressure of control bottom blow structure air blowing;
The fluid temperature control module is in order to the temperature of control cryogenic liquid spraying mechanism spraying liquid;
The liquid-conveying amount control module is in order to the component of control cryogenic liquid spraying mechanism spraying liquid;
The liquid pressure control module is in order to the pressure of control cryogenic liquid spraying mechanism spraying liquid;
The time of delivery control module is in order to the time of control bottom blow structure air blowing, the time of cryogenic liquid spraying mechanism spraying liquid.
As a kind of preferred version of the present invention, said device also is provided with draining control module, drainpipe, and an end of this drainpipe connects the confined space of said blow molding product.
As a kind of preferred version of the present invention, said drainpipe, gas blow pipe, liquid delivery tube are arranged in the same joint.
As a kind of preferred version of the present invention, said blow molding product is flat; Said liquid delivery tube is arranged at the bottom of blow molding product, and said drainpipe is arranged at the top of blow molding product.
As a kind of preferred version of the present invention, the air blowing joint of the rotary nozzle of said cryogenic liquid spraying mechanism and bottom blow structure is same joint.
A kind of blow molding method of above-mentioned blow molding apparatus, said method comprises the steps:
Step S1: extrusion mechanism will be managed embryo and extruded;
Step S2: the pipe embryo that the manipulator clamping is seen off from extrusion mechanism moves to desired location through second guide rail;
Step S3: each closing unit of clamping carries out mould assembling action under the guiding of first guide rail separately, will manage embryo and be arranged in the clamping;
Step S4: the bottom blow structure will be managed the embryo blow molding; The pipe embryo is close in the clamping under the effect of the wind-force that said bottom blow structure blows out, the inner confined space that forms of blow molding product;
Step S5: a termination of cryogenic liquid spraying mechanism is gone into the confined space of blow molding product, after the product blow molding, sprays cryogenic liquid cooling blow molding product;
Step S6: discharge the liquid in the blow molding product;
Step S7: discharge the gas in the blow molding product;
Step S8: open clamping, take out product.
As a kind of preferred version of the present invention, among the said step S5, the confined space of blow molding product is full of liquid, the top of blow molding product is provided with steam vent; After treating the cooling of blow molding product, discharge the liquid in the blow molding product through step S6 again.
As a kind of preferred version of the present invention, said step S5, step S6 carry out simultaneously, and promptly the cryogenic liquid spraying mechanism is in spraying liquid, through draining control module control draining.
Beneficial effect of the present invention is: blow molding apparatus and blow molding method thereof that the present invention proposes; Changed the existing type of cooling; Mode through liquid cools behind the product basic forming is cooled off thin-wall product, accelerates cooling velocity, improves surface quality of products.
Description of drawings
Fig. 1 to Fig. 3 is the structural representation of blow molding apparatus of the present invention.
Fig. 4 is the structural representation of clamping of the present invention and cryogenic liquid spraying mechanism.
Fig. 5 is the structural representation of clamping and cryogenic liquid spraying mechanism among the embodiment two.
Fig. 6 is the flow chart of blow molding method of the present invention.
The specific embodiment
Specify the preferred embodiments of the present invention below in conjunction with accompanying drawing.
Embodiment one
See also Fig. 1 to Fig. 3; The present invention has disclosed a kind of blow molding apparatus, comprising: frame 6, extrusion mechanism 4, die head 1, clamping 2, bottom blow structure 3, manipulator 10, controller (comprising electrical system 5, pneumatic system 7, hydraulic system 9), pipe-line system 8, hydraulic servo power supply 11.Said controller connects extrusion mechanism 4, die head 1, clamping 2, bottom blow structure 3, manipulator 10 respectively, in order to control extrusion mechanism 4, die head 1, clamping 2, bottom blow structure 3, manipulator 10 co-operatings.
Frame 6 mainly is made up of pillar and shaped as frame beam; Be used for supporting machinery hand 10 and die head 1; Pillar is the moulding cylindrical component, and its bottom is provided with flange in order to be fixedly connected with public base, and its top is in order to the supporting frame ellbeam; Can be provided with the adjusting attach structure in its corresponding junction, be the level of state to keep the shaped as frame beam to install.In the present embodiment, pillar totally four be connected on shaped as frame beam four arms of angle; Shaped as frame beam and clamping 2 cooperates the framework that is rectangle, and is provided with stent-like structure in the middle, in order to fixing die head 1.
As shown in Figure 4, in the present embodiment, clamping 2 comprises two closing units 21,22, and each closing unit 21,22 has first guide rail of corresponding guiding closing unit 21,22 motions.Said blow molding apparatus also comprises second guide rail that the said manipulator 10 of guiding moves, and this second guide rail is laid with first guide rail is vertical.
Bottom blow structure 3 comprises air pump 32, at least one gas blow pipe 31, at least one air blowing joint.Bottom blow structure 3 is arranged at the top of said first guide rail.
Behind clamping 2 matched moulds, the pipe embryo is close to the inwall of clamping 2 under the effect of the wind-force that said bottom blow structure 3 blows out, the inner confined space 15 that forms of blow molding product.Core of the present invention is improved and is that said blow molding apparatus further comprises the cryogenic liquid spraying mechanism, and the one of which termination is gone into the confined space 15 of blow molding product, in order to after the product blow molding, to spray cryogenic liquid cooling blow molding product.
Particularly, see also Fig. 4, in the present embodiment, the liquid that the cryogenic liquid spraying mechanism sprays is water, certainly, also can spray other liquid.As shown in Figure 4; Said cryogenic liquid spraying mechanism comprises at least one rotary nozzle 123, at least one water-supply-pipe 122, water pump 121; One end of water-supply-pipe 122 connects rotary nozzle 123; The other end connects water pump 121, and said rotary nozzle 123 evenly is sprayed to cooling liquid the inside confined space of blow molding product.At this moment, rotary nozzle 123 also need be through the sprinkling direction of shower nozzle control module control rotary nozzle 123; The shower nozzle control module is accepted the control of controller.Certainly, rotary nozzle 123 also can be common delivery port.
Simultaneously, as shown in Figure 4, blow molding apparatus of the present invention also is provided with draining pump 131, drainpipe 132, and an end of this drainpipe 132 connects the confined space 15 of said blow molding product.Above-mentioned water-supply-pipe 122, drainpipe 132 can be arranged at the gas blow pipe 31 of bottom blow structure 3 in the same joint 33 jointly.Can when spraying cryogenic liquid, discharge the ponding of temperature rising, more help cooling; Certainly, also can set water discharge time as required.Preferably, the rotary nozzle 123 of said cryogenic liquid spraying mechanism is same joint with the air blowing joint of bottom blow structure 3.
In addition, said controller comprises air pressure control module, water temperature control module, water yield control module, hydraulic pressure control module, time control unit.The air pressure that the air pressure control module is blown in order to control bottom blow structure; The water temperature control module is in order to the temperature of control cryogenic liquid spraying mechanism spraying liquid; Water yield control module is in order to the component of control cryogenic liquid spraying mechanism spraying liquid; The hydraulic pressure control module is in order to the pressure of control cryogenic liquid spraying mechanism spraying liquid; The time that time control unit is blown in order to control bottom blow structure, the time of cryogenic liquid spraying mechanism spraying liquid.
Preferably, can also be provided with sensor in the said confined space 15, be delivered in the confined space 15 through bottom blow structure 3.Said sensor can the induction seal space information such as temperature, air pressure in 15, and be sent in the controller, so that the controller real-time update is carried information such as the time, temperature of gas or liquid.
More than introduced the composition of blow molding apparatus of the present invention, the present invention also discloses the blow molding method of above-mentioned blow molding apparatus when disclosing above-mentioned blow molding apparatus; See also Fig. 6, said method comprises the steps:
[step S1] extrusion mechanism will be managed embryo and extruded;
The pipe embryo that the clamping of [step S2] manipulator is seen off from extrusion mechanism moves to desired location through second guide rail;
Each closing unit of [step S3] clamping carries out mould assembling action under the guiding of first guide rail separately, will manage embryo and be arranged in the clamping;
[step S4] bottom blow structure will be managed the embryo blow molding; The pipe embryo is close in the clamping under the effect of the wind-force that said bottom blow structure blows out, the inner confined space that forms of blow molding product;
One termination of [step S5] cryogenic liquid spraying mechanism is gone into the confined space of blow molding product, after the product blow molding, sprays cryogenic liquid cooling blow molding product;
[step S6] discharges the liquid in the blow molding product;
[step S7] discharges the gas in the blow molding product;
[step S8] opens clamping, takes out product.
In the present embodiment, said step S5, step S6 carry out simultaneously, and promptly the cryogenic liquid spraying mechanism is in spraying liquid, through draining control module control draining.
In addition, in step S5, can carry out the cooling of air cooling mode simultaneously.
Embodiment two
The difference of the blowing device of present embodiment and embodiment one is that as shown in Figure 5 in the present embodiment, said blow molding product is flat; Said water-supply-pipe is arranged at the bottom of blow molding product, and said steam vent 14 is arranged at the top of blow molding product.
The difference of the blow moiding method of present embodiment and embodiment one is, in the present embodiment, among the said step S5, the confined space of blow molding product is full of liquid, and the top of blow molding product is provided with steam vent 14; After treating the cooling of blow molding product, discharge the liquid in the blow molding product through step S6 again.
In sum, blow molding apparatus and blow molding method thereof that the present invention proposes have changed the existing type of cooling, and the mode through liquid cools behind the product basic forming is cooled off thin-wall product, accelerate cooling velocity, improve surface quality of products.
Here description of the invention and application is illustrative, is not to want with scope restriction of the present invention in the above-described embodiments.Here the distortion of the embodiment that is disclosed and change are possible, and the replacement of embodiment is known with the various parts of equivalence for those those of ordinary skill in the art.Those skilled in the art are noted that under the situation that does not break away from spirit of the present invention or substantive characteristics, and the present invention can be with other form, structure, layout, ratio, and realize with other assembly, material and parts.Under the situation that does not break away from the scope of the invention and spirit, can carry out other distortion and change here to the embodiment that is disclosed.
Claims (10)
1. a blow molding apparatus is characterized in that: comprising: frame, extrusion mechanism, die head, clamping, bottom blow structure, manipulator, controller;
Said controller connects extrusion mechanism, die head, clamping, bottom blow structure, manipulator respectively, in order to control extrusion mechanism, die head, clamping, bottom blow structure, manipulator co-operating;
Said clamping comprises at least two closing units, and each closing unit has first guide rail of corresponding guiding closing unit motion;
Said blow molding apparatus also comprises second guide rail that the said manipulator of guiding moves, and this second guide rail is laid with first guide rail is vertical;
Behind the clamping matched moulds, the pipe embryo is close in the clamping under the effect of the wind-force that said bottom blow structure blows out, the inner confined space that forms of blow molding product;
Said device further comprises the cryogenic liquid spraying mechanism, and the one of which termination is gone into the confined space of blow molding product, in order to after the product blow molding, to spray cryogenic liquid cooling blow molding product.
2. blow molding apparatus according to claim 1 is characterized in that:
Said cryogenic liquid spraying mechanism comprises at least one rotary nozzle, at least one liquid delivery tube, liquid pump; One end of liquid delivery tube connects rotary nozzle; The other end connects the liquid pump, and said rotary nozzle evenly is sprayed to cooling liquid the inside confined space of blow molding product;
Said bottom blow structure comprises at least one air blowing joint, at least one gas blow pipe, air pump, and a gas blow pipe and a liquid delivery tube are arranged in the same joint.
3. blow molding apparatus according to claim 2 is characterized in that:
Said device also comprises:
The air pressure control module is in order to the air pressure of control bottom blow structure air blowing;
The fluid temperature control module is in order to the temperature of control cryogenic liquid spraying mechanism spraying liquid;
The liquid-conveying amount control module is in order to the component of control cryogenic liquid spraying mechanism spraying liquid;
The liquid pressure control module is in order to the pressure of control cryogenic liquid spraying mechanism spraying liquid;
The time of delivery control module is in order to the time of control bottom blow structure air blowing, the time of cryogenic liquid spraying mechanism spraying liquid.
4. blow molding apparatus according to claim 2 is characterized in that:
Said device also is provided with draining control module, drainpipe, and an end of this drainpipe connects the confined space of said blow molding product.
5. blow molding apparatus according to claim 4 is characterized in that:
Said drainpipe, gas blow pipe, liquid delivery tube are arranged in the same joint.
6. blow molding apparatus according to claim 4 is characterized in that:
Said blow molding product is flat;
Said liquid delivery tube is arranged at the bottom of blow molding product, and said drainpipe is arranged at the top of blow molding product.
7. blow molding apparatus according to claim 2 is characterized in that:
The air blowing joint of the rotary nozzle of said cryogenic liquid spraying mechanism and bottom blow structure is same joint.
8. the blow molding method of the said blow molding apparatus of one of claim 1 to 7 is characterized in that:
Said method comprises the steps:
Step S1: extrusion mechanism will be managed embryo and extruded;
Step S2: the pipe embryo that the manipulator clamping is seen off from extrusion mechanism moves to desired location through second guide rail;
Step S3: each closing unit of clamping carries out mould assembling action under the guiding of first guide rail separately, will manage embryo and be arranged in the clamping;
Step S4: the bottom blow structure will be managed the embryo blow molding; The pipe embryo is close in the clamping under the effect of the wind-force that said bottom blow structure blows out, the inner confined space that forms of blow molding product;
Step S5: a termination of cryogenic liquid spraying mechanism is gone into the confined space of blow molding product, after the product blow molding, sprays cryogenic liquid cooling blow molding product;
Step S6: discharge the liquid in the blow molding product;
Step S7: discharge the gas in the blow molding product;
Step S8: open clamping, take out product.
9. blow molding method according to claim 8 is characterized in that:
Among the said step S5, the confined space of blow molding product is full of liquid, the top of blow molding product is provided with steam vent; After treating the cooling of blow molding product, discharge the liquid in the blow molding product through step S6 again.
10. blow molding method according to claim 8 is characterized in that:
Said step S5, step S6 carry out simultaneously, and promptly the cryogenic liquid spraying mechanism is in spraying liquid, through draining control module control draining.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110393850.9A CN102501363B (en) | 2011-12-01 | 2011-12-01 | A kind of blow molding apparatus and its blow molding method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201110393850.9A CN102501363B (en) | 2011-12-01 | 2011-12-01 | A kind of blow molding apparatus and its blow molding method |
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| CN102501363A true CN102501363A (en) | 2012-06-20 |
| CN102501363B CN102501363B (en) | 2017-03-29 |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102729453A (en) * | 2012-06-27 | 2012-10-17 | 武汉亚普汽车塑料件有限公司 | Blow molding cooling method for blow molding machine |
| CN105058746A (en) * | 2015-07-31 | 2015-11-18 | 泉州锦林环保高新材料有限公司 | Manufacturing method and device for traveling case body |
| CN107953539A (en) * | 2017-11-01 | 2018-04-24 | 中山市邦信电子科技发展有限公司 | A kind of full-automatic blowing molding machine and its intake method |
| CN108081577A (en) * | 2017-12-12 | 2018-05-29 | 山东威高集团医用高分子制品股份有限公司 | Apparatus for blow moulding |
| CN109834920A (en) * | 2018-12-26 | 2019-06-04 | 天津富松汽车零部件有限公司 | The blow moulding equipment of expanded moldings inside hollow blow molding |
| CN113650268A (en) * | 2021-08-31 | 2021-11-16 | 浙江卓立金属制品有限公司 | Blow molding equipment |
| CN113895018A (en) * | 2021-09-28 | 2022-01-07 | 苏州博观约取智能装备有限公司 | Portable modularization blowing machine |
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| CN101015953A (en) * | 2007-02-14 | 2007-08-15 | 倪美琴 | Large-scale double-station plastic blowing machine |
| WO2010003973A2 (en) * | 2008-07-08 | 2010-01-14 | Krones Ag | Device for transporting containers with cooling for the containers |
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| JP2004050665A (en) * | 2002-07-22 | 2004-02-19 | Japan Steel Works Ltd:The | Blow molding method, apparatus therefor, mold assembly and needle blow nozzle |
| CN101015953A (en) * | 2007-02-14 | 2007-08-15 | 倪美琴 | Large-scale double-station plastic blowing machine |
| CN101808802A (en) * | 2007-09-24 | 2010-08-18 | 西德尔合作公司 | Method for making containers comprising an intermediate depressurising operation |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102729453A (en) * | 2012-06-27 | 2012-10-17 | 武汉亚普汽车塑料件有限公司 | Blow molding cooling method for blow molding machine |
| CN105058746A (en) * | 2015-07-31 | 2015-11-18 | 泉州锦林环保高新材料有限公司 | Manufacturing method and device for traveling case body |
| CN107953539A (en) * | 2017-11-01 | 2018-04-24 | 中山市邦信电子科技发展有限公司 | A kind of full-automatic blowing molding machine and its intake method |
| CN108081577A (en) * | 2017-12-12 | 2018-05-29 | 山东威高集团医用高分子制品股份有限公司 | Apparatus for blow moulding |
| CN109834920A (en) * | 2018-12-26 | 2019-06-04 | 天津富松汽车零部件有限公司 | The blow moulding equipment of expanded moldings inside hollow blow molding |
| CN113650268A (en) * | 2021-08-31 | 2021-11-16 | 浙江卓立金属制品有限公司 | Blow molding equipment |
| CN113895018A (en) * | 2021-09-28 | 2022-01-07 | 苏州博观约取智能装备有限公司 | Portable modularization blowing machine |
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|---|---|
| CN102501363B (en) | 2017-03-29 |
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Granted publication date: 20170329 Termination date: 20181201 |