CN102501363B - A kind of blow molding apparatus and its blow molding method - Google Patents
A kind of blow molding apparatus and its blow molding method Download PDFInfo
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- CN102501363B CN102501363B CN201110393850.9A CN201110393850A CN102501363B CN 102501363 B CN102501363 B CN 102501363B CN 201110393850 A CN201110393850 A CN 201110393850A CN 102501363 B CN102501363 B CN 102501363B
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- blow
- molded articles
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Abstract
Present invention is disclosed a kind of blow molding apparatus and its blow molding method, blow molding apparatus include frame, extrusion mechanism, die head, clamping, bottom blow structure, manipulator, controller;Clamping includes at least two closing units, and each closing unit has the first guide rail of corresponding guiding closing unit motion;Blow molding apparatus also include the second guide rail of the guiding manipulator movement, second guide rail and the first guide rail vertical runs;After clamping matched moulds, pipe embryo is close in clamping in the presence of the wind-force that bottom blow structure blows out, and blow-molded articles are internally formed confined space;Described device also includes cryogenic liquid spraying mechanism, and its one end accesses the confined space of blow-molded articles, cryogenic liquid cooling blow-molded articles are sprayed after product blow molding.The present invention changes the existing type of cooling, cools down thin-wall product, accelerates cooling velocity, improve the surface quality of product after product basic forming by way of liquid cooling.
Description
Technical field
The invention belongs to blow molding technique field, is related to a kind of blow molding apparatus, more particularly to a kind of liquid cooling
Formula blow molding apparatus;Meanwhile, the invention further relates to the blow molding method of above-mentioned blow molding apparatus.
Background technology
Existing blow moulding machine mainly includes frame, extrusion mechanism, die head, clamping, bottom blow structure, and its working method is:
After sealant is gushed out, plastomer is blown the wind-force produced by boasting using machine the die cavity for being attached to definite shape, so as to make
Product.Plastics are melted in screw extruder and squeezing out quantitative, are then molded by closing film, then by vane quenching,
Then hauling machine draws by certain speed, up- coiler is wound into volume.
As Chinese patent CN 200610119347.3 discloses a kind of stretch blow molding shaping method of container bottle, will melting
Resin bottle base sends into baking oven stove heat, and heating process blows cooling to the reserved handle position section of bottle base, makes the bottle base section
Temperature is less than other parts temperature, and then heating bottle blank is sent in bottle-type mould carries out stretch blow shaping with stretch rod.
The type of cooling of existing blow moulding machine is, by way of air cooling, to have a disadvantage in that cooling velocity is slow;At the same time, by
The long period is needed in air cooling so that products surface quality is bad.
The content of the invention
The technical problem to be solved is:A kind of blow molding apparatus are provided, cooling velocity can be accelerated, improve system
Quality.
Additionally, the present invention also provides the blow molding method of above-mentioned blow molding apparatus, cooling velocity can be accelerated, improve system
Quality.
To solve above-mentioned technical problem, the present invention is adopted the following technical scheme that:
A kind of blow molding apparatus, including:Frame, extrusion mechanism, die head, clamping, bottom blow structure, manipulator, control
Device processed;
The controller difference connecting extruder structure, die head, clamping, bottom blow structure, manipulator, to control extrusion
Mechanism, die head, clamping, bottom blow structure, manipulator co-operating;
The clamping includes at least two closing units, and each closing unit has corresponding guiding closing unit motion
The first guide rail;The blow molding apparatus also include the second guide rail of guiding manipulator movement, second guide rail and the
One guide rail vertical runs;
After clamping matched moulds, pipe embryo is close in clamping in the presence of the wind-force that the bottom blow structure blows out,
Blow-molded articles are internally formed a confined space;
Described device further includes cryogenic liquid spraying mechanism, and its one end accesses the confined space of blow-molded articles,
Cryogenic liquid cooling blow-molded articles are sprayed after product blow molding.
Used as a preferred embodiment of the present invention, the cryogenic liquid spraying mechanism includes an at least rotary nozzle, at least
One liquid delivery tube, liquid pump, one end connection rotary nozzle of liquid delivery tube, other end connection liquid pump, the rotation spray
Cooling liquid is uniformly sprayed to head the inside confined space of blow-molded articles;
The bottom blow structure includes at least one air blowing joint, at least one gas blow pipe, air pump, a gas blow pipe and one
Liquid delivery tube is arranged in same joint.
Used as a preferred embodiment of the present invention, described device also includes:
Air pressure control unit, to the air pressure for controlling the air blowing of bottom blow structure;
Fluid temperature control unit, to the temperature for controlling cryogenic liquid spraying mechanism spraying liquid;
Liquid-conveying amount control unit, to the component for controlling cryogenic liquid spraying mechanism spraying liquid;
Liquid pressure control unit, to the pressure for controlling cryogenic liquid spraying mechanism spraying liquid;
Time of delivery control unit, to the time, the cryogenic liquid spraying mechanism spraying liquid that control the air blowing of bottom blow structure
Time.
Used as a preferred embodiment of the present invention, described device is additionally provided with draining control unit, drainpipe, the drainpipe
One end connects the confined space of the blow-molded articles.
Used as a preferred embodiment of the present invention, the drainpipe, gas blow pipe, liquid delivery tube are arranged at same joint
It is interior.
Used as a preferred embodiment of the present invention, the blow-molded articles are in flat;The liquid delivery tube is arranged
In the bottom of blow-molded articles, the drainpipe is arranged at the top of blow-molded articles.
As a preferred embodiment of the present invention, the rotary nozzle of the cryogenic liquid spraying mechanism and blowing for bottom blow structure
Gas joint is same joint.
A kind of blow molding method of above-mentioned blow molding apparatus, methods described comprise the steps:
Step S1:Pipe embryo is extruded by extrusion mechanism;
Step S2:The pipe embryo that manipulator clamping is sent from extrusion mechanism, is moved to setting position by the second guide rail;
Step S3:Each closing unit of clamping carries out mould assembling action under the guiding of respective first guide rail, by pipe embryo
It is arranged in clamping;
Step S4:Bottom blow structure is by pipe embryo blow molding;Pipe embryo is tight in the presence of the wind-force that the bottom blow structure blows out
It is attached in clamping, blow-molded articles are internally formed a confined space;
Step S5:The confined space of blow-molded articles is accessed in one end of cryogenic liquid spraying mechanism, is blow molded in product
Cryogenic liquid cooling blow-molded articles are sprayed after type;
Step S6:Discharge the liquid in blow-molded articles;
Step S7:Discharge the gas in blow-molded articles;
Step S8:Clamping is opened, product is taken out.
As a preferred embodiment of the present invention, in step S5, the confined space of blow-molded articles is full of into liquid
Body, is provided with steam vent at the top of blow-molded articles;After blow-molded articles cooling, then blow molding is discharged by step S6
Liquid in product.
Used as a preferred embodiment of the present invention, step S5, step S6 are carried out simultaneously, i.e. cryogenic liquid spraying mechanism
While spraying liquid, draining is controlled by draining control unit.
The beneficial effects of the present invention is:Blow molding apparatus proposed by the present invention and its blow molding method, change
The existing type of cooling, by way of liquid cooling cools down thin-wall product after product basic forming, accelerates cooling velocity, improve
The surface quality of product.
Description of the 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 in embodiment two.
Fig. 6 is the flow chart of blow molding method of the present invention.
Specific embodiment
Describe the preferred embodiments of the present invention below in conjunction with the accompanying drawings in detail.
Embodiment one
Fig. 1 to Fig. 3 is referred to, present invention is disclosed a kind of blow molding apparatus, including:Frame 6, extrusion mechanism 4, die head
1st, clamping 2, bottom blow structure 3, manipulator 10, controller (including electrical system 5, pneumatic system 7, hydraulic system 9), pipeline
System 8, hydraulic servo power supply 11.The controller difference connecting extruder structure 4, die head 1, clamping 2, bottom blow structure 3, machine
Tool hand 10, to control extrusion mechanism 4, die head 1, clamping 2, bottom blow structure 3,10 co-operating of manipulator.
Frame 6 is mainly made up of pillar and frame ellbeam, and for supporting machinery hand 10 and die head 1, pillar is shaping column structure
Part, its bottom are provided with flange to be fixedly connected with public base, and its top, can in its corresponding junction to supporting frame ellbeam
Regulation height structure is provided with, is installed with holding frame ellbeam and is the level of state.In the present embodiment, pillar is connected to frame for totally four
On four arm of angle of ellbeam;Framework is rectangle in frame ellbeam and the cooperation of clamping 2, is provided with stent-like structure in the middle, to
Fixed die head 1.
As shown in figure 4, in the present embodiment, clamping 2 includes two closing units 21,22, each closing unit 21,22 has
There is the first guide rail of corresponding guiding closing unit 21,22 motion.The blow molding apparatus also include the guiding manipulator
Second guide rail of 10 movements, second guide rail and the first guide rail vertical runs.
Bottom blow structure 3 includes 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 first guide rail.
After the 2-in-1 mould of clamping, pipe embryo is close to clamping 2 in the presence of the wind-force that the bottom blow structure 3 blows out
Inwall, blow-molded articles are internally formed a confined space 15.The core of the present invention is improved by, the blow molding apparatus
Cryogenic liquid spraying mechanism is further included, its one end accesses the confined space 15 of blow-molded articles, to be blow molded in product
Cryogenic liquid cooling blow-molded articles are sprayed after shaping.
Specifically, Fig. 4 is referred to, in the present embodiment, the liquid of cryogenic liquid spraying mechanism sprinkling is water, certainly, also may be used
To spray other liquid.As shown in figure 4, the cryogenic liquid spraying mechanism includes at least a rotary nozzle 123, at least a water delivery
Pipe 122, water pump 121, one end connection rotary nozzle 123 of water-supply-pipe 122, other end connection water pump 121, the rotary nozzle
The 123 inside confined spaces that cooling liquid is uniformly sprayed to blow-molded articles.Now, rotary nozzle 123 also needs to pass through
One shower nozzle control unit controls the sprinkling direction of rotary nozzle 123;Shower nozzle control unit receives the control of controller.Certainly, revolve
It can also be common delivery port to turn shower nozzle 123.
Meanwhile, as shown in figure 4, blow molding apparatus of the present invention are additionally provided with draining pump 131, drainpipe 132, the drainpipe
132 one end connects the confined space 15 of the blow-molded articles.Above-mentioned water-supply-pipe 122, drainpipe 132 can be with bottom blows
The gas blow pipe 31 of structure 3 is arranged in same joint 33 jointly.While cryogenic liquid is sprayed can discharge temperature and raise
Ponding, be more beneficial for cooling;It is of course also possible to set water discharge time as needed.Preferably, the cryogenic liquid spraying machine
The rotary nozzle 123 of structure is same joint with the air blowing joint of bottom blow structure 3.
Additionally, the controller includes air pressure control unit, water temperature control unit, water rate control unit, hydraulic pressure control list
Unit, time control unit.Air pressure control unit is to control the air pressure that bottom blow structure is blown;Water temperature control unit is low to control
The temperature of geothermal liquid spraying mechanism spraying liquid;Water rate control unit is to control dividing for cryogenic liquid spraying mechanism spraying liquid
Amount;Hydraulic pressure control unit is to control the pressure of cryogenic liquid spraying mechanism spraying liquid;Time control unit is to control down
Blow time, the time of cryogenic liquid spraying mechanism spraying liquid of mechanism's air blowing.
Preferably, sensor is also provided with the confined space 15, confined space 15 is delivered to by bottom blow structure 3
It is interior.The sensor with information such as the temperature in induction seal space 15, air pressure, and can be sent in controller, to control
Device real-time update conveys the information such as the time of gas or liquid, temperature.
The composition of blow molding apparatus of the present invention is described above, the present invention is disclosing the same of above-mentioned blow molding apparatus
When, also disclose the blow molding method of above-mentioned blow molding apparatus;Fig. 6 is referred to, methods described comprises the steps:
【Step S1】Pipe embryo is extruded by extrusion mechanism;
【Step S2】The pipe embryo that manipulator clamping is sent from extrusion mechanism, is moved to setting position by the second guide rail;
【Step S3】Each closing unit of clamping carries out mould assembling action under the guiding of respective first guide rail, by pipe embryo
It is arranged in clamping;
【Step S4】Bottom blow structure is by pipe embryo blow molding;Pipe embryo is tight in the presence of the wind-force that the bottom blow structure blows out
It is attached in clamping, blow-molded articles are internally formed a confined space;
【Step S5】The confined space of blow-molded articles is accessed in one end of cryogenic liquid spraying mechanism, is blow molded in product
Cryogenic liquid cooling blow-molded articles are sprayed after type;
【Step S6】Discharge the liquid in blow-molded articles;
【Step S7】Discharge the gas in blow-molded articles;
【Step S8】Clamping is opened, product is taken out.
In the present embodiment, step S5, step S6 are carried out simultaneously, i.e. cryogenic liquid spraying mechanism is in the same of spraying liquid
When, draining is controlled by draining control unit.
Additionally, the cooling of air cooling mode in step s 5, can be carried out simultaneously.
Embodiment two
The blowing device of the present embodiment with the difference of embodiment one is, in the present embodiment, as shown in figure 5, the blowing
Shaped article is in flat;The water-supply-pipe is arranged at the bottom of blow-molded articles, and the steam vent 14 is arranged at and is blow molded into
The top of type product.
The blow moiding method of the present embodiment with the difference of embodiment one is, in the present embodiment, in step S5, will blowing
The confined space of shaped article is hydraulically full, and steam vent 14 is provided with the top of blow-molded articles;Treat that blow-molded articles are cooled down
Afterwards, then by step S6 discharge the liquid in blow-molded articles.
In sum, blow molding apparatus proposed by the present invention and its blow molding method, change existing cooling side
Formula, by way of liquid cooling cools down thin-wall product after product basic forming, accelerates cooling velocity, improve the surface matter of product
Amount.
Here description of the invention and application are illustrative, are not wishing to limit the scope of the invention to above-described embodiment
In.The deformation and change of embodiments disclosed herein is possible, real for those skilled in the art
The replacement and equivalent various parts for applying example is known.It should be appreciated by the person skilled in the art that without departing from the present invention
Spirit or essential characteristics in the case of, the present invention can in other forms, structure, arrangement, ratio, and with other components,
Material and part are realizing.In the case of without departing from scope and spirit of the present invention, embodiments disclosed herein can be entered
Other deformations of row and change.
Claims (9)
1. a kind of blow molding apparatus, it is characterised in that:Including:Frame, extrusion mechanism, die head, clamping, bottom blow structure,
Manipulator, controller;
The controller difference connecting extruder structure, die head, clamping, bottom blow structure, manipulator, to control extruder
Structure, die head, clamping, bottom blow structure, manipulator co-operating;
The clamping includes at least two closing units, and each closing unit has the of corresponding guiding closing unit motion
One guide rail;
The blow molding apparatus also include that the second guide rail of the guiding manipulator movement, second guide rail and the first guide rail hang down
It is straight to lay;
After clamping matched moulds, pipe embryo is close in clamping in the presence of the wind-force that the bottom blow structure blows out, blowing
Shaped article is internally formed a confined space;
Described device further includes cryogenic liquid spraying mechanism, and its one end accesses the confined space of blow-molded articles, to
Cryogenic liquid cooling blow-molded articles are sprayed after product blow molding;
The cryogenic liquid spraying mechanism includes an at least rotary nozzle, at least a liquid delivery tube, liquid pump, liquid delivery tube
One end connection rotary nozzle, other end connection liquid pump, cooling liquid is uniformly sprayed to the rotary nozzle blow molding
The inside confined space of product;
The bottom blow structure includes at least one air blowing joint, at least one gas blow pipe, air pump, a gas blow pipe and a liquid
Delivery pipe is arranged in same joint.
2. blow molding apparatus according to claim 1, it is characterised in that:
Described device also includes:
Air pressure control unit, to the air pressure for controlling the air blowing of bottom blow structure;
Fluid temperature control unit, to the temperature for controlling cryogenic liquid spraying mechanism spraying liquid;
Liquid-conveying amount control unit, to the component for controlling cryogenic liquid spraying mechanism spraying liquid;
Liquid pressure control unit, to the pressure for controlling cryogenic liquid spraying mechanism spraying liquid;
Time of delivery control unit, to control bottom blow structure air blowing time, cryogenic liquid spraying mechanism spraying liquid when
Between.
3. blow molding apparatus according to claim 1, it is characterised in that:
Described device is additionally provided with draining control unit, drainpipe, and one end of the drainpipe connects the close of the blow-molded articles
Close space.
4. blow molding apparatus according to claim 3, it is characterised in that:
The drainpipe, gas blow pipe, liquid delivery tube are arranged in same joint.
5. blow molding apparatus according to claim 4, it is characterised in that:
The blow-molded articles are in flat;
The liquid delivery tube is arranged at the bottom of blow-molded articles, and the drainpipe is arranged at the upper of blow-molded articles
Portion.
6. blow molding apparatus according to claim 1, it is characterised in that:
The rotary nozzle of the cryogenic liquid spraying mechanism is same joint with the air blowing joint of bottom blow structure.
7. the blow molding method of one of a kind of claim 1 to 6 blow molding apparatus, it is characterised in that:
Methods described comprises the steps:
Step S1:Pipe embryo is extruded by extrusion mechanism;
Step S2:The pipe embryo that manipulator clamping is sent from extrusion mechanism, is moved to setting position by the second guide rail;
Step S3:Each closing unit of clamping carries out mould assembling action under the guiding of respective first guide rail, and pipe embryo is arranged
In clamping;
Step S4:Bottom blow structure is by pipe embryo blow molding;Pipe embryo is close in the presence of the wind-force that the bottom blow structure blows out
In clamping, blow-molded articles are internally formed a confined space;
Step S5:The confined space of blow-molded articles is accessed in one end of cryogenic liquid spraying mechanism, after product blow molding
Sprinkling cryogenic liquid cooling blow-molded articles;
Step S6:Discharge the liquid in blow-molded articles;
Step S7:Discharge the gas in blow-molded articles;
Step S8:Clamping is opened, product is taken out.
8. blow molding method according to claim 7, it is characterised in that:
In step S5, will be the confined space of blow-molded articles hydraulically full, exhaust is provided with the top of blow-molded articles
Hole;After blow-molded articles cooling, then the liquid in blow-molded articles is discharged by step S6.
9. blow molding method according to claim 7, it is characterised in that:
Step S5, step S6 are carried out simultaneously, i.e. cryogenic liquid spraying mechanism while spraying liquid, by draining control
Unit controls draining.
Priority Applications (1)
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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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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 CN102501363A (en) | 2012-06-20 |
CN102501363B true CN102501363B (en) | 2017-03-29 |
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CN201110393850.9A Expired - Fee Related CN102501363B (en) | 2011-12-01 | 2011-12-01 | A kind of blow molding apparatus and its blow molding method |
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Families Citing this family (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 |
CN113650268B (en) * | 2021-08-31 | 2023-05-12 | 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 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
CN202462854U (en) * | 2011-12-01 | 2012-10-03 | 倪美琴 | Blow molding device |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3625457B2 (en) * | 2002-07-22 | 2005-03-02 | 株式会社日本製鋼所 | Hollow molding method and apparatus and mold apparatus |
DE102008032123B4 (en) * | 2008-07-08 | 2024-05-16 | Krones Aktiengesellschaft | Device for cooling containers with a feed device which directs a flowable medium onto a bottom area of the containers and method for cooling the outer wall of containers |
-
2011
- 2011-12-01 CN CN201110393850.9A patent/CN102501363B/en not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
CN202462854U (en) * | 2011-12-01 | 2012-10-03 | 倪美琴 | Blow molding device |
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