CN103802259B - A kind of foam mold manufactures the method for foamed plastics - Google Patents

A kind of foam mold manufactures the method for foamed plastics Download PDF

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Publication number
CN103802259B
CN103802259B CN201310473652.2A CN201310473652A CN103802259B CN 103802259 B CN103802259 B CN 103802259B CN 201310473652 A CN201310473652 A CN 201310473652A CN 103802259 B CN103802259 B CN 103802259B
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die cavity
core
cooling water
steam
compound plate
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CN103802259A (en
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张卫军
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Taizhou Liuzhou plastic industry Co., Ltd
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张卫军
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Abstract

The present invention relates to a kind of foam mold and manufacture the method for foamed plastics, comprising: A, heat cooling water channel (33) by first and second heating cooling water channel (54) passes into hot-air, core (3) and die cavity (5) are heated; B, EPS particulate material enters die cavity (4) from compound plate charging aperture (61) and EPS charging aperture (51); C, steam enter from steam-gas inlet (11) and enter die cavity by air intake (20), steam hole (21), defeated steam vent (22) and ventilating microhole (32) successively, make EPS particulate material be foamed into foam plastic product; D, to be heated cooling water channel and second by first and heat cooling water channel and pass into cooling water, be separated with foam plastic product after core, die cavity are cooled; E, again after at steam-gas inlet input compressed-air until arrive ventilating microhole, to the foam plastic product demoulding.Cooling water hole is separated with foaming steam hole, and the product of processing is not subject to water pollutions, smooth surface.

Description

A kind of foam mold manufactures the method for foamed plastics
Patent application of the present invention is the divisional application that the application name proposed first time based on the applicant is called the application for a patent for invention of water and vapor separating type eps foam mould of plastics, the applying date of original application is on November 18th, 2010, application number is 201010549196.1, and the applicant has received the Grant Patent Right for Invention notice of the original application that State Intellectual Property Office sent on August 27th, 2013.
Technical field
The present invention relates to a kind of foamed plastics manufacture method, particularly relate to a kind of method that water and vapor separating type eps foam mould of plastics tool manufactures foamed plastics, can be used for processing various foam packaging box or packaging cushion block, be particularly useful for producing the bubble wrap goods such as medical treatment and food, and the evaporative pattern etc. of foamed plastics handicraft or accurate casting.
Background technology
Bubble wrap box or packaging cushion block, have lightweight, the shockproof feature such as good, and at medical treatment, food, electromechanics, instrument and five metals, and daily product is packed and is used widely.Processing eps foam plastics, be after EPS feed particles is dropped into film chamber, adopt steam input foaming, then water flowing cooling in a mold, makes foamed product be separated with metal die, die sinking water flowing and compressed-air ejection more simultaneously.Existing eps foam mould of plastics due to heating steam hole, cooling water hole and demoulding compressed air apertures be same passage, and be all opened on die cavity, although the steam of input, cooling water and air are in order respectively by the Valve controlling of program setting, but there is following shortcoming: one is the steam cooling water hole being opened on die cavity is the macropore of porous a group by a group, when EPS is plastic foamed, foamed plastic can enter in steam cooling water hole, surface forms coarse salient point, sometimes also can be covered with micropore, serious have impact on surface quality; Two is gas-vapor mix, and particularly high to hygienic requirements such as medical treatment and food packaging, after cooling water contacts with product, pollutes, can not meet design requirement; Three is adopt the gas-vapor mix demoulding, and with a large amount of moisture content in product, operating personnel one take out workpiece, and production environment is poor, labour intensity is large, inefficiency, needs to deliver to drying room and dry after taking out product, oven dry place is large, and cost is many for man-hour, carries troublesome poeration back and forth.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of method of water and vapor separating type eps foam plastic mold manufacture foamed plastics, realize qi exhaustion mould, cooling water hole does not pass into die cavity, product is not by water pollutions, clean hygiene, and improve production environment and workman's working condition, realize automated production, enhance productivity.
For solving the problems of the technologies described above, the invention provides a kind of method of water and vapor separating type eps foam plastic mold manufacture foamed plastics, this mold bottom is core compound plate, aqueous vapor separating plate is installed in core compound plate, core compound plate connects core, core connects die cavity, between die cavity and core, have die cavity; Die cavity there is die cavity compound plate;
This core compound plate is shaped with steam inlet, first inlet opening and first apopore;
This aqueous vapor separating plate is shaped with the aqueous vapor separating plate of air intake, steam hole and defeated steam vent, and this steam hole comprises longitudinal steam hole and horizontal steam hole, and vertical, horizontal steam hole interconnects, and this defeated steam vent is connected with vertical, horizontal steam hole;
This core is shaped with core bedding frame, first heating cooling water channel, and this core bedding frame is shaped with ventilating microhole;
This die cavity is shaped with the EPS charging aperture, second inlet opening, second apopore and the second that are communicated with die cavity and heats cooling water channel;
This die cavity compound plate is shaped with the compound plate charging aperture be communicated with EPS charging aperture, and this second heating cooling water channel is between die cavity and die cavity compound plate;
This steam inlet, air intake, steam hole, defeated steam vent are communicated with formation gas passage successively with ventilating microhole, for steam or high pressure gas are passed into die cavity;
This first inlet opening, first heating cooling water channel are communicated with first apopore, successively for logical hot-air or cooling water;
Second inlet opening, second heating cooling water channel are communicated with second apopore, successively for logical hot-air or cooling water;
Described method comprises:
A, to be heated cooling water channel and second by first and heat cooling water channel and pass into hot-air, to core and die cavity heating;
B, EPS particulate material enters die cavity from compound plate charging aperture and EPS charging aperture;
C, steam enter from steam-gas inlet and enter die cavity by air intake, steam hole, defeated steam vent and ventilating microhole successively, make EPS particulate material be foamed into foam plastic product;
D, to be heated cooling water channel and second by first and heat cooling water channel and pass into cooling water, be separated with foam plastic product after core, die cavity are cooled;
E, again after core compound plate steam inlet input compressed-air until arrive ventilating microhole to the foam plastic product demoulding.
The present invention compared with prior art, during work, mould first heats, heat cooling water channel by first heating cooling water channel and second and pass into air, to core and die cavity heating, EPS particulate material enters die cavity from EPS charging aperture, then steam to enter and by after the steam hole aqueous vapor separating plate from the steam-gas inlet of core compound plate, die cavity is entered again by the ventilating microhole of core, EPS particulate material is made to be foamed into foam plastic product, because the obstructed cooling water of ventilating microhole, only logical steam, so the single hole that ventilating microhole is very little, for recessive air inlet, foamed plastic can not enter ventilating microhole, therefore surface does not have salient point, very smooth beautiful.Then simultaneously at the first inlet opening of core compound plate and first apopore, cooled core by core first cooling water channel, cooling water does not pass into die cavity.The second inlet opening of die cavity and second apopore flow through second cooling water channel and cool die cavity, cooling water does not pass into die cavity, core, die cavity cool rear and separation of products, cooling water does not contact with product, eps foam plastics are not by cooling water pollution, clean hygiene, again at the steam inlet input compressed-air of core compound plate until arrive ventilating microhole to product stripping, merely by air ejection, in product, moisture content is little, directly can enter discharging mechanism, without manual operation, realize automation, streamline is processed, production efficiency is high, and whole mould aqueous vapor is separated carries out.
Water and vapor separating type eps foam mould of plastics in the present invention, die cavity has die cavity compound plate, die cavity compound plate is shaped with compound plate charging aperture and admission opening, and second heating cooling water channel is between die cavity and die cavity compound plate.Had die cavity compound plate, made mould easy for installation, production reliability is high.Steam hole in described aqueous vapor separating plate comprises longitudinal steam hole and horizontal steam hole, and vertical, horizontal steam hole interconnects, and is shaped with the defeated steam vent perpendicular with vertical, horizontal steam hole, is communicated with the ventilating microhole of core by defeated steam vent.Steam hole and ventilating microhole interconnect through vertical, horizontal steam hole, are evenly distributed, and improve production quality.Be shaped with cooling water hole in described aqueous vapor separating plate, cooling water hole communicates with first inlet opening and first apopore.There is cooling water hole, made aqueous vapor separating plate and core simultaneously by steam heated or water quench.Core is shaped with first reinforcing prop, and first reinforcing prop contacts with aqueous vapor separating plate.There is first reinforcing prop, ensured die assembly quality.Die cavity is shaped with second reinforcing prop, and second reinforcing prop contacts with die cavity compound plate.There is second reinforcing prop, ensured die assembly quality.Guide pillar hole and fixing threaded hole is shaped with separately in core compound plate, core, die cavity and die cavity compound plate.Had guide pillar hole to be conducive to die sinking and the matched moulds of core package and mold cavity component, fixing threaded hole makes core compound plate and core and aqueous vapor separating plate fix, and makes again die cavity and die cavity compound plate fix.Described first inlet opening and first apopore are on four perisporiums of core compound plate or in main body.First inlet opening and first apopore, built in the diverse location of core compound plate, act on constant.Described second inlet opening and second apopore are on four perisporiums of die cavity or in main body, and described EPS charging aperture is on arbitrary position or four perisporiums of the main body of die cavity.Second inlet opening and second apopore, built in the diverse location of die cavity, act on constant, and EPS charging aperture can according to the concrete structure of product built in different positions simultaneously.Described compound plate charging aperture on arbitrary position of die cavity compound plate main body, but must be corresponding with the EPS charging aperture of die cavity.
Accompanying drawing explanation
Fig. 1 is the structural representation of the water and vapor separating type eps foam mould of plastics in the present invention;
Fig. 2 is core compound plate schematic front view;
Fig. 3 is core compound plate schematic top plan view;
Fig. 4 is aqueous vapor separating plate schematic top plan view;
Fig. 5 is aqueous vapor separating plate schematic side view;
Fig. 6 aqueous vapor separating plate is shaped with steam hole and cooling water hole schematic diagram;
Fig. 7 is core elevational schematic view;
Fig. 8 is core structure schematic diagram;
Fig. 9 is die cavity schematic top plan view;
Figure 10 is cavity structure schematic diagram;
Figure 11 is die cavity compound plate elevational schematic view;
Figure 12 is die cavity compound plate structural representation.
Detailed description of the invention
As shown in Fig. 1-Figure 12, the invention discloses a kind of water and vapor separating type eps foam mould of plastics, comprising:
One core compound plate 1, core compound plate is shaped with steam inlet 11, first inlet opening 12 and first apopore 13;
One aqueous vapor separating plate 2, aqueous vapor separating plate is shaped with air intake 20 and steam hole 21;
One core 3, core is shaped with core bedding frame 31, ventilating microhole 32, first heating cooling water channel 33;
One die cavity 5, die cavity is shaped with EPS charging aperture 51, second inlet opening 52, second apopore 53 and second heating cooling water channel;
Be core compound plate 1 bottom during installation, aqueous vapor separating plate 2 is installed in core compound plate 1, core compound plate 1 connects core 3, core 3 connects die cavity 5, between die cavity 5 and core 3, have die cavity 4.
Be core compound plate 1 below during installation, aqueous vapor separating plate 2 is installed in core compound plate 1, core compound plate 1 connects core 3, core 3 connects die cavity 5, between die cavity 5 and core 3, have die cavity 4, between core compound plate 1 and core 3, pad is installed.During work, mould first heats, heat cooling water channel 54 by first heating cooling water channel 33 and second and pass into air, core 3 and die cavity 5 are heated, EPS particulate material enters die cavity 4 from EPS charging aperture 51, then steam to enter and by after the steam hole 21 aqueous vapor separating plate 2 from the steam-gas inlet 11 of core compound plate 1, die cavity 4 is entered again by the ventilating microhole 32 of core 3, EPS particulate material is made to be foamed into foam plastic product, because the obstructed cooling water of ventilating microhole 32, only logical steam, so the single hole that ventilating microhole is very little, for recessive air inlet, foamed plastic can not enter ventilating microhole, therefore surface does not have salient point, very smooth beautiful.Then simultaneously at the first inlet opening 12 of core compound plate 1 and first apopore 13, cooled by core 3 first cooling water channel 33 pairs of cores 3, cooling water does not pass into die cavity.The second inlet opening 52 of die cavity 5 and second apopore 53 flow through second cooling water channel 54 pairs of die cavities 5 and cool, cooling water does not pass into die cavity 4, core 3, die cavity 5 cools rear and separation of products, cooling water does not contact with product, eps foam plastics are not by cooling water pollution, clean hygiene, again at steam inlet 11 input compressed-air of core compound plate 1 until arrive ventilating microhole 32 pairs of product strippings, simple by air ejection, in product, moisture content is little, directly can enter discharging mechanism, without manual operation, realize automation, streamline is processed, production efficiency is high, whole mould aqueous vapor is separated carries out.Die cavity 5 has die cavity compound plate 6, die cavity compound plate 6 is shaped with compound plate charging aperture 61 and admission opening 62, and second heating cooling water channel 54 is between die cavity 5 and die cavity compound plate 6.Had die cavity compound plate 6, made mould easy for installation, production reliability is high.Steam hole 21 in described aqueous vapor separating plate 2 comprises longitudinal steam hole and horizontal steam hole, and vertical, horizontal steam hole interconnects, and is shaped with the defeated steam vent 22 perpendicular with vertical, horizontal steam hole, is communicated with the ventilating microhole 32 of core 3 by defeated steam vent 22.Steam hole 21 and ventilating microhole 32 interconnect through vertical, horizontal steam hole, are evenly distributed, and improve production quality.Be shaped with cooling water hole 25 in described aqueous vapor separating plate 2, cooling water hole 25 communicates with first inlet opening 12 and first apopore 13.There is cooling water hole 25, made aqueous vapor separating plate 2 and core 3 simultaneously by steam heated or water quench.Core 3 is shaped with first reinforcing prop 34, and first reinforcing prop 34 contacts with aqueous vapor separating plate 2.There is first reinforcing prop 34, ensured die assembly quality.Die cavity 5 is shaped with second reinforcing prop 55, and second reinforcing prop 55 contacts with die cavity compound plate 6.There is second reinforcing prop 55, ensured die assembly quality.Guide pillar hole 15,35,57,64 and fixing threaded hole 14,36,56,63 is shaped with separately in core compound plate 1, core 3, die cavity 5 and die cavity compound plate 6.Had guide pillar hole 15,35,57,64 to be conducive to die sinking and the matched moulds of core package and mold cavity component, fixing threaded hole 14,36,56,63 makes core compound plate 1 fix with core 3 and aqueous vapor separating plate 2, makes again die cavity 5 and die cavity compound plate 6 fix.Described first inlet opening 12 and first apopore 13 are on four perisporiums of core compound plate 1 or in main body.First inlet opening 12 and first apopore 13, built in the diverse location of core compound plate 1, act on constant.Described second inlet opening 52 and second apopore 53 are on four perisporiums of die cavity 5 or in main body, and described EPS charging aperture 51 is on arbitrary position or four perisporiums of the main body of die cavity 5.Second inlet opening 52 and second apopore 53, built in the diverse location of die cavity 5, act on constant, and EPS charging aperture 51 can according to the concrete structure of product built in different positions simultaneously.Described compound plate charging aperture 61 on arbitrary position of die cavity compound plate 6 main body, but must be corresponding with the EPS charging aperture 61 of die cavity 5.Everyly relate to by core compound plate, aqueous vapor separating plate, core and die cavity or add upper impression compound plate and form mould; adopt water and gas split tunnel; processing eps foam plastics; concrete structure carries out according to different goods the change of any shape; do not limit by accompanying drawing; the various shapes such as such as circle, triangle and polygon, all belong to this patent protection domain.

Claims (9)

1. one kind manufactures the method for foamed plastics with foam mold, this mold bottom is core compound plate (1), in core compound plate (1), aqueous vapor separating plate (2) is installed, core compound plate (1) connects core (3), core (3) connects die cavity (5), between die cavity (5) and core (3), have die cavity (4); Die cavity (5) there is die cavity compound plate (6);
This core compound plate (1) is shaped with steam inlet (11), first inlet opening (12) and first apopore (13);
This aqueous vapor separating plate (2) is shaped with air intake (20), steam hole (21) and defeated steam vent (22), this steam hole (21) comprises longitudinal steam hole and horizontal steam hole, vertical, horizontal steam hole interconnects, and this defeated steam vent (22) is connected with vertical, horizontal steam hole;
This core (3) is shaped with core bedding frame (31), first heating cooling water channel (33), this core bedding frame (31) is shaped with ventilating microhole (32);
This die cavity (5) is shaped with the EPS charging aperture (51), second inlet opening (52), second apopore (53) and the second that are communicated with die cavity (4) and heats cooling water channel (54);
This die cavity compound plate (6) is shaped with the compound plate charging aperture (61) be communicated with EPS charging aperture (51), and this second heating cooling water channel (54) is between die cavity (5) and die cavity compound plate (6);
This steam inlet (11), air intake (20), steam hole (21), defeated steam vent (22) and ventilating microhole (32) are communicated with formation gas passage successively, for steam or high pressure gas are passed into die cavity (4);
This first inlet opening (12), first heating cooling water channel (33) are communicated with first apopore (13), successively for logical hot-air or cooling water;
This second inlet opening (52), second heating cooling water channel (54) are communicated with second apopore (53), successively for logical hot-air or cooling water;
Described method comprises:
A, to be heated cooling water channel (33) by first and second heating cooling water channel (54) passes into hot-air, core (3) and die cavity (5) are heated;
B, EPS particulate material enters die cavity (4) from compound plate charging aperture (61) and EPS charging aperture (51);
C, steam enter from steam inlet (11) and enter die cavity (4) by air intake (20), steam hole (21), defeated steam vent (22) and ventilating microhole (32) successively, make EPS particulate material be foamed into foam plastic product;
D, to be heated cooling water channel (33) by first and second heating cooling water channel (54) passes into cooling water, be separated with foam plastic product after core, die cavity are cooled;
E, again after at steam inlet (11) input compressed-air until arrive ventilating microhole (32), to the foam plastic product demoulding.
2. manufacture the method for foamed plastics as claimed in claim 1 with foam mold, it is characterized in that: before described steps A, comprise matched moulds step.
3. the method for foamed plastics is manufactured as claimed in claim 1 or 2 with foam mold, it is characterized in that: be shaped with cooling water hole (25) in described aqueous vapor separating plate (2), cooling water hole (25) communicates with first inlet opening (12) and first apopore (13).
4. manufacture the method for foamed plastics as claimed in claim 1 or 2 with foam mold, it is characterized in that: described core (3) is shaped with first reinforcing prop (34), first reinforcing prop (34) contacts with aqueous vapor separating plate (2).
5. manufacture the method for foamed plastics as claimed in claim 1 or 2 with foam mold, it is characterized in that: described die cavity (5) is shaped with second reinforcing prop (55), second reinforcing prop (55) contacts with die cavity compound plate (6).
6. manufacture the method for foamed plastics as claimed in claim 1 or 2 with foam mold, it is characterized in that: in described core compound plate (1), core (3), die cavity (5) and die cavity compound plate (6), be shaped with guide pillar hole (15,35,57,64) and fixing threaded hole (14,36,56,63) separately.
7. manufacture the method for foamed plastics as claimed in claim 1 or 2 with foam mold, it is characterized in that: described first inlet opening (12) and first apopore (13) are on four perisporiums of core compound plate (1) or in main body.
8. the method for foamed plastics is manufactured as claimed in claim 1 or 2 with foam mold, it is characterized in that: described second inlet opening (52) and second apopore (53) are on four perisporiums of die cavity (5) or in main body, and described EPS charging aperture (51) is on arbitrary position or four perisporiums of the main body of die cavity (5).
9. manufacture the method for foamed plastics as claimed in claim 1 or 2 with foam mold, it is characterized in that: described compound plate charging aperture (61) is on arbitrary position of die cavity compound plate (6) main body.
CN201310473652.2A 2010-11-18 2010-11-18 A kind of foam mold manufactures the method for foamed plastics Active CN103802259B (en)

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CN201310473652.2A CN103802259B (en) 2010-11-18 2010-11-18 A kind of foam mold manufactures the method for foamed plastics
CN 201010549196 CN102463652B (en) 2010-11-18 2010-11-18 Water and air separation type expandable polystyrene (EPS) foam plastic mold

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Application Number Priority Date Filing Date Title
CN201310473652.2A CN103802259B (en) 2010-11-18 2010-11-18 A kind of foam mold manufactures the method for foamed plastics

Related Parent Applications (1)

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CN 201010549196 Division CN102463652B (en) 2010-11-18 2010-11-18 Water and air separation type expandable polystyrene (EPS) foam plastic mold

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CN103802259B true CN103802259B (en) 2016-04-06

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CN201310473652.2A Active CN103802259B (en) 2010-11-18 2010-11-18 A kind of foam mold manufactures the method for foamed plastics
CN 201010549196 Active CN102463652B (en) 2010-11-18 2010-11-18 Water and air separation type expandable polystyrene (EPS) foam plastic mold
CN201310473228.8A Active CN103753752B (en) 2010-11-18 2010-11-18 A kind of aqueous vapor separating plate for eps foam mould of plastics

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CN201310473228.8A Active CN103753752B (en) 2010-11-18 2010-11-18 A kind of aqueous vapor separating plate for eps foam mould of plastics

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CN104552733B (en) * 2015-01-30 2017-10-20 李挺进 The cooling system and its cooling means of foam forming machine
CN104552725B (en) * 2015-01-30 2017-12-29 李挺进 A kind of new foam forming machine and its cooling means
CN105082447B (en) * 2015-09-11 2017-09-05 临海市泽福泡沫制品有限公司 A kind of vapor-water type foam mold
CN108237658A (en) * 2015-10-29 2018-07-03 泉州台商投资区铭源机械设备有限公司 The drainage by suction technique of drainage by suction system, molding machine and molding machine
CN106273086A (en) * 2016-08-30 2017-01-04 闽侯宏鑫塑胶有限公司 A kind of boats and ships make mould and Ship production post-cure setting process
CN109366850A (en) * 2018-11-01 2019-02-22 丰县建鑫泡沫制品有限公司 Demarcation plate is used in a kind of EPS foaming
CN111633901A (en) * 2020-06-30 2020-09-08 刘小英 Rapid forming process of foamed product
CN111922284B (en) * 2020-07-29 2022-03-22 明光市明泰五金制品有限公司 Duplex evaporative die casting aluminum process
CN112536948A (en) * 2020-11-30 2021-03-23 武汉林溯科技有限公司 General production mould of daily EPS foamed plastic board

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CN102463652B (en) 2013-10-16
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CN103753752A (en) 2014-04-30
CN102463652A (en) 2012-05-23

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Effective date of registration: 20200408

Address after: 317022 Xiayang Lan Village, Yanjiang Town, Linhai City, Taizhou City, Zhejiang Province

Patentee after: Taizhou Liuzhou plastic industry Co., Ltd

Address before: 802, room 15, blue The Danube, Huangyan District, Zhejiang, Taizhou 318020, China

Patentee before: Zhang Weijun