CN103802259A - Method for preparing foamed plastic by using foamed plastic mold - Google Patents
Method for preparing foamed plastic by using foamed plastic mold Download PDFInfo
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- CN103802259A CN103802259A CN201310473652.2A CN201310473652A CN103802259A CN 103802259 A CN103802259 A CN 103802259A CN 201310473652 A CN201310473652 A CN 201310473652A CN 103802259 A CN103802259 A CN 103802259A
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- 239000004033 plastic Substances 0.000 title claims abstract description 58
- 229920003023 plastic Polymers 0.000 title claims abstract description 58
- 238000000034 method Methods 0.000 title claims abstract description 18
- 150000001875 compounds Chemical class 0.000 claims abstract description 75
- 239000000498 cooling water Substances 0.000 claims abstract description 67
- 238000010438 heat treatment Methods 0.000 claims abstract description 33
- 238000004519 manufacturing process Methods 0.000 claims description 24
- 239000006260 foam Substances 0.000 claims description 21
- 230000003014 reinforcing effect Effects 0.000 claims description 16
- 238000001816 cooling Methods 0.000 claims description 9
- 239000011236 particulate material Substances 0.000 claims description 8
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 14
- 239000002245 particle Substances 0.000 abstract description 3
- 238000005187 foaming Methods 0.000 abstract description 2
- 229920006248 expandable polystyrene Polymers 0.000 abstract 4
- 239000011148 porous material Substances 0.000 abstract 2
- 239000002994 raw material Substances 0.000 abstract 2
- 238000010586 diagram Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 238000012856 packing Methods 0.000 description 3
- 238000007599 discharging Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000010791 quenching Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 238000003911 water pollution Methods 0.000 description 2
- 238000005266 casting Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000005662 electromechanics Effects 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
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Abstract
The invention relates to a method for preparing foamed plastic by using a foamed plastic mold. The method comprises the following steps: step A, introducing hot air through a heating cooling water passage I (33) and a heating cooling water passage II (54), and heating a mold core (3) and a mold cavity (5); step B, feeding an EPS (Expandable Polystyrene) particle raw material into a die cavity (4) through a compound plate feed port (61) and an EPS feed port (51); step C, feeding steam from steam inlets (11) and allowing the steam to enter the mold cavity orderly through steam feed ports (20), steam holes (21), steam conveying holes (22) and ventilating micro-pores (32) so that the EPS particle raw material can be foamed to prepare a foamed plastic product; step D, inputting cooling water through the heating cooling water passage I and the heating cooling water passage II so as to separate the mold core and the mold cavity from the foamed plastic product after the mold core and the mold cavity are cooled; and step E, finally, inputting compressed air through the steam inlets until the compressed air reaches the ventilating micro-pores, and demolding the foamed plastic product. Cooling water holes are separated from foaming steam holes, so that the processed product is prevented from pollution of water and has a smooth surface.
Description
Patent application of the present invention is the divisional application that the application name that proposes for the 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 sends 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 of manufacturing foamed plastics with water and vapor separating type eps foam mould of plastics tool, can be used for processing various foam packaging boxes or packing cushion block, be particularly useful for producing the bubble wrap goods such as medical treatment and food, and the evaporative pattern of foamed plastics handicraft or accurate casting etc.
Background technology
Bubble wrap box or packing cushion block, have lightweight, the shockproof feature such as good, at medical treatment, food, electromechanics, instrument and five metals, and daily product is packed and is used widely.Processing eps foam plastics, is that EPS feed particles is dropped into behind film chamber, adopts steam input foaming, and then in mould, water flowing is cooling, and foamed product is separated with metal die, die sinking while water flowing and compressed-air ejection again.Existing eps foam mould of plastics is because heating steam hole, cooling water hole and demoulding compressed air apertures are same passage, and be all opened on die cavity, although the steam, cooling water and air of input are in order respectively by the valve control of program setting, but there is following shortcoming: the one, the steam cooling water hole that is opened on die cavity is the macropore of porous a group by a group, in the time that 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 impact surface quality; The 2nd, gas-vapor mix, particularly, to high packings of hygienic requirements such as medical treatment and food, after cooling water contacts with product, pollutes, and can not meet design requirement; The 3rd, adopt the gas-vapor mix demoulding, in product, with a large amount of moisture content, one one of operating personnel take out workpiece, and production environment is poor, labour intensity is large, and inefficiency needs to deliver to drying room after taking-up product and dries, oven dry place is large, and cost is many man-hour, carries back and forth troublesome poeration.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of method with 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 polluted by water, clean hygiene, and improve production environment and workman's working condition, and realize automated production, enhance productivity.
For solving the problems of the technologies described above, the invention provides a kind of method with 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, on core compound plate, connect core, on core, connect die cavity, between die cavity and core, have die cavity; On 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, on 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 heating cooling water channel that are communicated with die cavity;
This die cavity compound plate is shaped with the compound plate charging aperture being 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 and ventilating microhole are communicated with formation gas passage successively, for steam or high pressure gas are passed into die cavity;
This first inlet opening, first heating cooling water channel and first apopore are communicated with successively, for logical hot-air or cooling water;
Second inlet opening, second heating cooling water channel and second apopore are communicated with successively, for logical hot-air or cooling water;
Described method comprises:
A, pass into hot-air by first heating cooling water channel and second heating cooling water channel, to core and die cavity heating;
B, EPS particulate material enter die cavity from compound plate charging aperture and EPS charging aperture;
C, steam enter and enter die cavity by air intake, steam hole, defeated steam vent and ventilating microhole successively from steam-gas inlet, make EPS particulate material be foamed into foam plastic product;
D, pass into cooling water by first heating cooling water channel and second heating cooling water channel, separate with foam plastic product after making core, die cavity cooling;
E, again after at the steam inlet input compressed-air of core compound plate until arrive ventilating microhole to the foam plastic product demoulding.
The present invention compared with prior art, when work, mould first heats, pass into air by first heating cooling water channel and second heating cooling water channel, to core and die cavity heating, EPS particulate material enters die cavity from EPS charging aperture, then steam enters and passes through after the steam hole aqueous vapor separating plate from the steam-gas inlet of core compound plate, enter die cavity by the ventilating microhole of core again, make EPS particulate material be foamed into foam plastic product, because the obstructed cooling water of ventilating microhole, only logical steam, so 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 first inlet opening and the first apopore of core compound plate, cooling to core by core first cooling water channel, cooling water does not pass into die cavity.It is cooling to die cavity that the second inlet opening of die cavity and second apopore flow through second cooling water channel, cooling water does not pass into die cavity, core, the cooling rear and separation of products of die cavity, cooling water does not contact with product, eps foam plastics are not subject to cooling water pollution, clean hygiene, again at the steam inlet input compressed-air of core compound plate until arrive ventilating microhole to product stripping, by the air demoulding, in product, moisture content is little merely, can directly enter discharging mechanism, without manual operation, realize automation, streamline processing, production efficiency is high, and whole mould aqueous vapor separates carries out.
Water and vapor separating type eps foam mould of plastics in the present invention, has die cavity compound plate on die cavity, 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.In described aqueous vapor separating plate, be shaped with cooling water hole, 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, guaranteed 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, guaranteed die assembly quality.In core compound plate, core, die cavity and die cavity compound plate, be shaped with separately guide pillar hole and fixing threaded hole.Had guide pillar hole to be conducive to die sinking and the matched moulds of core assembly and mold cavity component, fixing threaded hole fixes core compound plate and core and aqueous vapor separating plate, makes again die cavity and die cavity compound plate fix.Described first inlet opening and first apopore are on the surrounding wall 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 the surrounding wall of die cavity or in main body, and described EPS charging aperture is on arbitrary position or surrounding wall of the main body of die cavity.Second inlet opening and second apopore be built in the diverse location of die cavity, acts on constantly, and EPS charging aperture can be according to the concrete structure of product built in different positions simultaneously.Described compound plate charging aperture, still must be corresponding with the EPS charging aperture of die cavity on arbitrary position of die cavity compound plate main body.
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 that core compound plate master looks schematic diagram;
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 is shaped with steam hole and cooling water hole schematic diagram on aqueous vapor separating plate;
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.
The specific embodiment
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;
When installation, bottom is core compound plate 1, and aqueous vapor separating plate 2 is installed in core compound plate 1, connects core 3 on core compound plate 1, connects die cavity 5 on core 3, between die cavity 5 and core 3, has die cavity 4.
Below when installation, be core compound plate 1, aqueous vapor separating plate 2 is installed in core compound plate 1, on core compound plate 1, connect core 3, on core 3, connect 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.When work, mould first heats, pass into air by first heating cooling water channel 33 and second heating cooling water channel 54, core 3 and die cavity 5 are heated, EPS particulate material enters die cavity 4 from EPS charging aperture 51, then steam enters and passes through after the steam hole 21 aqueous vapor separating plate 2 from the steam-gas inlet 11 of core compound plate 1, enter die cavity 4 by the ventilating microhole 32 of core 3 again, make EPS particulate material be foamed into foam plastic product, because the obstructed cooling water of ventilating microhole 32, only logical steam, so 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 first inlet opening 12 and the first apopore 13 of core compound plate 1, cooling to core 3 by core 3 first cooling water channels 33, cooling water does not pass into die cavity.It is cooling to die cavity 5 that the second inlet opening 52 of die cavity 5 and second apopore 53 flow through second cooling water channel 54, cooling water does not pass into die cavity 4, core 3, the cooling rear and separation of products of die cavity 5, cooling water does not contact with product, eps foam plastics are not subject to cooling water pollution, clean hygiene, again at steam inlet 11 input compressed-airs of core compound plate 1 until arrive ventilating microhole 32 to product stripping, merely by the air demoulding, in product, moisture content is little, can directly enter discharging mechanism, without manual operation, realize automation, streamline processing, production efficiency is high, whole mould aqueous vapor separates carries out.On die cavity 5, have 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 interconnects through vertical, horizontal steam hole with ventilating microhole 32, is evenly distributed, and improves production quality.In described aqueous vapor separating plate 2, be shaped with cooling water hole 25, 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, guaranteed 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, guaranteed die assembly quality.In core compound plate 1, core 3, die cavity 5 and die cavity compound plate 6, be shaped with separately guide pillar hole 15,35,57,64 and fixing threaded hole 14,36,56,63.Had guide pillar hole 15,35,57,64 to be conducive to die sinking and the matched moulds of core assembly and mold cavity component, fixing threaded hole 14,36,56,63 fixes core compound plate 1 and 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 the surrounding wall 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 the surrounding wall of die cavity 5 or in main body, and described EPS charging aperture 51 is on arbitrary position or surrounding wall of the main body of die cavity 5.Second inlet opening 52 and second apopore 53 be built in the diverse location of die cavity 5, acts on constantly, and EPS charging aperture 51 can be according to the concrete structure of product built in different positions simultaneously.Described compound plate charging aperture 61, still must be corresponding with the EPS charging aperture 61 of die cavity 5 on arbitrary position of die cavity compound plate 6 main bodys.Every relate to by core compound plate, aqueous vapor separating plate, core and die cavity or add upper impression compound plate form mould; adopt water and gas split tunnel; processing eps foam plastics; on concrete structure, carry out the change of any shape according to different goods; not limited by accompanying drawing; the various shapes such as for example circle, triangle and polygon, all belong to this patent protection domain.
Claims (10)
1. manufacture the method for foamed plastics with foamed plastics mould for one kind, this mold bottom is core compound plate (1), aqueous vapor separating plate (2) is installed in core compound plate (1), on core compound plate (1), connect core (3), the upper die cavity (5) that connects of core (3), has die cavity (4) between die cavity (5) and core (3); On 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 the aqueous vapor separating plate (2) of 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), is shaped with ventilating microhole (32) on this core bedding frame (31);
This die cavity (5) is shaped with the EPS charging aperture (51), second inlet opening (52), second apopore (53) and the second heating cooling water channel (54) that are communicated with die cavity (4);
This die cavity compound plate (6) is shaped with the compound plate charging aperture (61) being 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) and first apopore (13) are communicated with successively, for logical hot-air or cooling water;
This second inlet opening (52), second heating cooling water channel (54) and second apopore (53) are communicated with successively, for logical hot-air or cooling water;
Described method comprises:
A, pass into hot-air by first heating cooling water channel (33) and second heating cooling water channel (54), core (3) and die cavity (5) are heated;
B, EPS particulate material enter die cavity (4) from compound plate charging aperture (61) and EPS charging aperture (51);
C, steam enter and enter die cavity (4) by air intake (20), steam hole (21), defeated steam vent (22) and ventilating microhole (32) successively from steam-gas inlet (11), make EPS particulate material be foamed into foam plastic product;
D, heat cooling water channel (54) by first heating cooling water channel (33) and second and pass into cooling water, separate with foam plastic product after making core, die cavity cooling;
E, again after at steam-gas inlet (11) input compressed-air until arrive ventilating microhole (32), to the foam plastic product demoulding.
2. the method for manufacturing foamed plastics with foamed plastics mould as claimed in claim 1, is characterized in that: before described steps A, comprise matched moulds step.
3. the method for manufacturing foamed plastics with foamed plastics mould as claimed in claim 1, is characterized in that: between described steps A and D, also comprise die sinking step.
4. manufacture as claimed any one in claims 1 to 3 the method for foamed plastics with foamed plastics mould, it is characterized in that: in described aqueous vapor separating plate (2), be shaped with cooling water hole (25), cooling water hole (25) communicates with first inlet opening (12) and first apopore (13).
5. the method for manufacturing as claimed any one in claims 1 to 3 foamed plastics with foamed plastics mould, 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).
6. the method for manufacturing as claimed any one in claims 1 to 3 foamed plastics with foamed plastics mould, 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).
7. the method for manufacturing as claimed any one in claims 1 to 3 foamed plastics with foamed plastics mould, is characterized in that: in described core compound plate (1), core (3), die cavity (5) and die cavity compound plate (6), be shaped with separately guide pillar hole (15,35,57,64) and fixing threaded hole (14,36,56,63).
8. the method for manufacturing as claimed any one in claims 1 to 3 foamed plastics with foamed plastics mould, is characterized in that: described first inlet opening (12) and first apopore (13) are on the surrounding wall of core compound plate (1) or in main body.
9. manufacture as claimed any one in claims 1 to 3 the method for foamed plastics with foamed plastics mould, it is characterized in that: described second inlet opening (52) and second apopore (53) are on the surrounding wall of die cavity (5) or in main body, and described EPS charging aperture (51) is on arbitrary position or surrounding wall of the main body of die cavity (5).
10. the method for manufacturing as claimed any one in claims 1 to 3 foamed plastics with foamed plastics mould, is characterized in that: described compound plate charging aperture (61) is on arbitrary position of die cavity compound plate (6) main body.
Priority Applications (1)
| 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 |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010549196 CN102463652B (en) | 2010-11-18 | 2010-11-18 | Water and air separation type expandable polystyrene (EPS) foam plastic mold |
| CN201310473652.2A CN103802259B (en) | 2010-11-18 | 2010-11-18 | A kind of foam mold manufactures the method for foamed plastics |
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| Application Number | Title | Priority Date | Filing Date |
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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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| Publication Number | Publication Date |
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| CN103802259A true CN103802259A (en) | 2014-05-21 |
| CN103802259B CN103802259B (en) | 2016-04-06 |
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| CN 201010549196 Active CN102463652B (en) | 2010-11-18 | 2010-11-18 | Water and air separation type expandable polystyrene (EPS) foam plastic mold |
| CN201310473652.2A Active CN103802259B (en) | 2010-11-18 | 2010-11-18 | A kind of foam mold manufactures the method for foamed plastics |
| 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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| CN103029258B (en) * | 2012-12-06 | 2015-10-21 | 龙海市永隆泡沫包装有限公司 | A kind of foam mold |
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| CN201195372Y (en) * | 2008-04-14 | 2009-02-18 | 刘学忠 | Foam case mould |
| JP2010052425A (en) * | 2008-07-30 | 2010-03-11 | Sekisui Plastics Co Ltd | Foam molding apparatus having die cooling pipe, and foam molding method using the same |
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| CN104552725A (en) * | 2015-01-30 | 2015-04-29 | 李挺进 | Novel foam moulding machine as well as cooling method thereof |
| CN104552733A (en) * | 2015-01-30 | 2015-04-29 | 李挺进 | Cooling system and method for foam molding machine |
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| CN104552725B (en) * | 2015-01-30 | 2017-12-29 | 李挺进 | A kind of new foam forming machine and its cooling means |
| CN105082447A (en) * | 2015-09-11 | 2015-11-25 | 临海市泽福泡沫制品有限公司 | Steam-water type foamed plastic mold |
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| 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 |
| CN111633901A (en) * | 2020-06-30 | 2020-09-08 | 刘小英 | Rapid forming process of foamed product |
| CN111922284A (en) * | 2020-07-29 | 2020-11-13 | 陶安 | Duplex evaporative die casting aluminum process |
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103753752B (en) | 2016-01-20 |
| CN103802259B (en) | 2016-04-06 |
| CN102463652A (en) | 2012-05-23 |
| CN103753752A (en) | 2014-04-30 |
| CN102463652B (en) | 2013-10-16 |
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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 |