CN203650793U - Device for forming foaming thermoplastic polyurethane particles - Google Patents
Device for forming foaming thermoplastic polyurethane particles Download PDFInfo
- Publication number
- CN203650793U CN203650793U CN201420016965.5U CN201420016965U CN203650793U CN 203650793 U CN203650793 U CN 203650793U CN 201420016965 U CN201420016965 U CN 201420016965U CN 203650793 U CN203650793 U CN 203650793U
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- CN
- China
- Prior art keywords
- pipeline
- thermoplastic polyurethane
- moulding
- foamed thermoplastic
- equipment
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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- 239000002245 particle Substances 0.000 title claims abstract description 39
- 239000004433 Thermoplastic polyurethane Substances 0.000 title claims abstract description 38
- 229920002803 thermoplastic polyurethane Polymers 0.000 title claims abstract description 38
- 238000005187 foaming Methods 0.000 title abstract description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 50
- 239000000498 cooling water Substances 0.000 claims abstract description 19
- 239000011159 matrix material Substances 0.000 claims description 21
- 238000000465 moulding Methods 0.000 claims description 21
- 238000009826 distribution Methods 0.000 claims description 14
- 238000001816 cooling Methods 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000009833 condensation Methods 0.000 abstract 1
- 230000005494 condensation Effects 0.000 abstract 1
- 238000000605 extraction Methods 0.000 abstract 1
- 239000011324 bead Substances 0.000 description 10
- 238000000034 method Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000009835 boiling Methods 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- NIPNSKYNPDTRPC-UHFFFAOYSA-N N-[2-oxo-2-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)ethyl]-2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidine-5-carboxamide Chemical compound O=C(CNC(=O)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F)N1CC2=C(CC1)NN=N2 NIPNSKYNPDTRPC-UHFFFAOYSA-N 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000000748 compression moulding Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 239000005022 packaging material Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
Landscapes
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The utility model discloses a device for forming foaming thermoplastic polyurethane particles. The device for forming foaming thermoplastic polyurethane particles is characterized by comprising a vapor generating tank, a vacuum pump, an ejector pin, a mold frame and a mold cavity, wherein each side of the mold cavity is provided with an air chamber; each air chamber is internally provided with a cooling water pipeline; each cooling water pipeline is provided with a plurality of sprayers; concave mold cavity plates and convex mold cavity plates are arranged between the air chambers and the mold cavity; the cavity plates are provided with a plurality of air plugs; the upper part of the mold frame is provided with a vapor inlet pipeline and an air inlet pipeline, and the lower part of the mold frame is provided with a condensation water outlet pipeline and a vacuum air extraction pipeline; the pipelines are provided with valves; vapor can be uniformly distributed at each region of the mold cavity; particles in the mold cavity can be in full contact with vapor, so that the particles can be heated and softened uniformly; the mold is short in cooling time and high in production efficiency; the produced foaming products are even in surface; foaming particles are bonded firmly; and the quality of the device is ensured.
Description
Technical field:
The utility model relates to expanded material machine-shaping device, is specifically related to a kind of equipment for the moulding of foamed thermoplastic polyurethane particle.
Background technology:
Expansion type thermoplastic polyurethane material has low-density, high resiliency, and excellent resilience, good wearability, high tensile, good chemical stability, is used advantages of environment protection under wider temperature range.Based on above-mentioned advantage, expansion type thermoplastic polyurethane material has application prospect very widely at many industrial circles (auto industry, packaging material) and daily life field (footwear material, pillow, mattress).At present in the time of machine-shaping, adopt compression molding machining apparatus well known in the art, by particle-filled foamed thermoplastic polyurethane in die cavity, then close die, mould is heated up, thereby the surface of softening foamed thermoplastic polyurethane particle, and under certain pressure effect, make softening bead be adhered to one another, finally obtain having the goods of definite shape size.But, because thermoplastic polyurethane matrix material fusion range is narrow and capacity of heat transmission is poor, adopting when vulcanizing press, heat skewness between particle in die cavity, easily causes particle local temperature too high and melt, and goods elastic loss is serious.
Utility model content:
The purpose of this utility model is the deficiency that overcomes above-mentioned prior art, and provide a kind of equipment for the moulding of foamed thermoplastic polyurethane particle, mainly solve existing equipment due to heat skewness between particle, easily cause the problems such as particle local temperature is too high melts, and goods elastic loss is serious.
The technical solution of the utility model is: a kind of equipment for the moulding of foamed thermoplastic polyurethane particle, comprise framedly, and establish die cavity in framed, its special character is, each side of described die cavity is all provided with air chamber, is provided with cooling water pipeline in air chamber; Described cooling water pipeline is provided with N shower nozzle, is provided with chamber plate between air chamber and die cavity, and chamber plate is made up of matrix cavity plate and protruding mold cavity plate; Described chamber plate is provided with N vent plug, on matrix cavity plate, establishes thimble; Described framed top is provided with water vapour inlet pipeline, cooling water inlet pipeline and air intlet pipeline, and water vapour inlet pipeline and water vapour generation tank are connected; Described framed bottom is provided with condensation-water drain pipeline and vacuum suction pipeline, and vacuum suction pipeline and vavuum pump are connected; Described pipeline is all provided with valve; Described N is positive integer.
Further, described water vapour generation tank pressure-bearing is 0.12-0.2MPa, preferably 0.12-0.15MPa; Bearing capacity is during lower than 0.12MPa, and the steam temperature providing cannot soften foamed thermoplastic polyurethane particle, and bearing capacity during higher than 0.15Mpa, can increase corresponding equipment cost.
Further, described vent plug is bar shaped vent plug and pin hole vent plug.
Further, described bar shaped vent plug is distributed in protruding mold cavity plate; Described pin hole vent plug is distributed in matrix cavity plate; Due in the time adopting intersection water vapour to carry out preheating, first water vapour heats from the more concave die cavity of particle, along with time lengthening, particle surface starts softening bonding, the resistance that water vapour runs into increases thereupon, bar shaped vent plug is arranged on protruding mold cavity plate and is conducive to water vapour penetrating particle, in evenly diffusion and distribution of die cavity.
Further, described bar shaped vent plug vertical masonry joint is 0.5-0.8mm, and spacing is 1-1.2mm, is 2-4/cm in the distribution density of protruding mold cavity plate
2.
Further, described pin hole vent plug diameter is 0.5-1.0mm, and spacing is 10.0-15.0mm, is 4-6/cm in the distribution density of matrix cavity plate
2.
Further, the 2-3 that described air chamber volume is mold cavity volume doubly.
Further, described sprinkler spacing is 100.0-150.0mm.
Further, described water vapour inlet pipeline diameter be die cavity length 0.05-0.5 doubly; Water vapour air inlet duct diameter is during lower than 0.05 times, time that need to be longer while reaching required briquetting pressure in die cavity, thus affect production efficiency; Pipe diameter during higher than 0.5 times, easily produces pressure oscillation in forming process, affect the product surface particle degree that bonds.
A kind of equipment for the moulding of foamed thermoplastic polyurethane particle described in the utility model, its type of cooling is vacuum water-cooling pattern; Under vacuum condition, residual water in mould, product surface and inner moisture can flash to steam and take away heat, reduce the cooling cycle and reduce the moisture content of product.
Compared with the prior art a kind of equipment for the moulding of foamed thermoplastic polyurethane particle described in the utility model have following good effect, 1, adopt source and the heat transfer medium of water vapour as energy, water vapour equably diffusion profile at die cavity regional, particle in die cavity can contact with water vapour fully, water vapour can be wrapped in the surface of each bead equably, thereby be heated to soften uniformly, mold cooling time is short, and production efficiency is high; The foaming product surfacing of 2, producing, between expanded bead, bonding firmly, has guaranteed the quality of product.
Accompanying drawing explanation:
Fig. 1 is structural representation of the present utility model.
Drawing explanation:
1, water vapour generation tank, 2, framed, 3, die cavity, 4, air chamber, 5, cooling water pipeline, 6, shower nozzle, 7, chamber plate, 8, vent plug, 9, steam inlet pipeline, 10, cooling water inlet pipeline, 11, air intlet pipeline, 12, condensation-water drain pipeline, 13, vacuum suction pipeline, 14, thimble, 15, vavuum pump.
The specific embodiment:
Below in conjunction with accompanying drawing and specific embodiment, the utility model content is described in further detail; Illustrated embodiment is only for explaining the utility model, not for limiting scope of the present utility model.
Embodiment 1, referring to Fig. 1, be processed in framed 2, framed 2 and have die cavity 3, each side of die cavity 3 has air chamber 4, air chamber 4 volumes are 2-3 times of die cavity 3 volumes, cooling water pipeline 5 is installed in air chamber 4, several shower nozzles 6 are installed on cooling water pipeline, shower nozzle 6 spacing are 100.0-150.0mm, installation cavity plate 7 between air chamber 4 and die cavity 3, chamber plate 7 is made up of matrix cavity plate and protruding mold cavity plate; On chamber plate 7, have several vent plugs 8, vent plug 8 is bar shaped vent plug and pin hole vent plug, and bar shaped vent plug is distributed in protruding mold cavity plate, pin hole vent plug is distributed in matrix cavity plate, bar shaped vent plug vertical masonry joint is 0.5-0.8mm, and spacing is 1.0-1.2mm, is 2-4/cm in the distribution density of protruding mold cavity plate
2, pin hole vent plug diameter is 0.5-1.0mm, spacing is 10.0-15.0mm, is 4-6/cm in the distribution density of matrix cavity plate
2; Thimble 14 is installed on matrix cavity plate; On framed 2 tops, water vapour inlet pipeline 9, cooling water inlet pipeline 10 and air intlet pipeline 11 are installed, water vapour inlet pipeline 9 diameters are 0.05-0.5 times of die cavity 3 length, water vapour inlet pipeline 9 and water vapour generation tank 1 are connected, and water vapour generation tank 1 pressure-bearing is 0.12-0.20Mpa; In framed 2 bottoms, condensation-water drain pipeline 12 and vacuum suction pipeline 13 are installed, vacuum suction pipeline 13 is connected with vavuum pump 15; Described pipeline is all provided with valve.
A kind of method of operating for foamed thermoplastic polyurethane bead former of the present utility model:
(1) by particle-filled in closed die cavity the foamed thermoplastic polyurethane of needs processing, the fetch boiling water valve of steam inlet pipeline and condensation-water drain pipeline, by the valve closing of cooling water inlet pipeline, air intlet pipeline and vacuum suction pipeline, adopt water vapour mould to be carried out to preheating, preheating 15 seconds;
(2) then close the valve of matrix cavity plate one side condensation-water drain pipeline, close protruding mold cavity plate one side water vapour inlet pipeline valve simultaneously, the particle that makes water vapour penetrate die cavity inside arrives opposite side, 15 seconds duration, make subsequently water vapour penetrate the bead of die cavity inside, 10 seconds duration from a relative side;
(3) close the valve of condensation-water drain pipeline, the valve of the steam inlet pipeline of fetching boiling water, makes mould inner pressure reach gradually peak value, pressurize 60 seconds;
(4) close the valve of water vapour inlet pipeline, open the valve of condensation-water drain pipeline, by water vapour discharge in mould, then open the valve of cooling water inlet pipeline and vacuum suction pipeline, cooling water is sprayed onto die surface cooling by shower nozzle, open vavuum pump simultaneously, make to produce vacuum in mould, temperature fall time is 40 seconds;
(5) in the time that opening stroke reaches 0.2 times of products thickness, open the valve of the air intlet pipeline of punch chamber one side, shift goods onto the demoulding one side, finally open the air intlet pipeline of matrix cavity one side, carry out the demoulding in conjunction with thimble, obtain foamed thermoplastic polyurethane moulding article.
Example 1, by particle-filled the foamed thermoplastic polyurethane purchased from Yantai Mei Rui chemical material Co., Ltd in closed die cavity; Wherein, the pressure-bearing of the steam generation tank of the molded equipment of steam using is 0.12MPa, and on punch chamber, bar shaped vent plug vertical masonry joint is 0.5mm, and spacing is 1mm, is 2/cm in the distribution density of protruding mold cavity plate
2, in matrix cavity, pin hole vent plug diameter is 0.5mm, and spacing is 10mm, and the distribution density on matrix cavity plate is 4/cm
2, air chamber volume is mold cavity volume 2 times, the spacing of cooling water pipeline upper nozzle is 100mm, steam-gas inlet pipe diameter is 0.05 times of die cavity length, mold cools down mode is vacuum water-cooled; Obtain foamed thermoplastic polyurethane moulding article according to aforesaid operations method.
Example 2, will be filled in closed die cavity purchased from the foamed thermoplastic polyurethane bead of Yantai Mei Rui chemical material Co., Ltd; Wherein, the pressure-bearing of the steam generation tank of the molded equipment of water vapour using is 0.15MPa, and on punch chamber, bar shaped vent plug vertical masonry joint is 0.7mm, and spacing is 1.1mm, is 3/cm in the distribution density of protruding mold cavity plate
2, in matrix cavity, pin hole vent plug diameter is 0.8mm, and spacing is 12.0mm, and the distribution density on matrix cavity plate is 5/cm
2, air chamber volume is mold cavity volume 2.5 times, the spacing of cooling water pipeline upper nozzle is 140.0mm, water vapour inlet pipeline diameter is 0.1 times of die cavity length, mold cools down mode is vacuum water-cooled; Obtain foamed thermoplastic polyurethane moulding article according to aforesaid operations method.
Example 3, will be filled in closed die cavity purchased from the foamed thermoplastic polyurethane bead of Yantai Mei Rui chemical material Co., Ltd; Wherein, the pressure-bearing of the water vapour generation tank of the molded equipment of steam using is 0.2MPa, and on punch chamber, bar shaped vent plug vertical masonry joint is 0.8mm, and spacing is 1.2mm, is 4/cm in the distribution density of protruding mold cavity plate
2, in matrix cavity, pin hole vent plug diameter is 1.0mm, and spacing is 15mm, and the distribution density on matrix cavity plate is 6/cm
2, air chamber volume is mold cavity volume 3 times, the spacing of cooling water pipeline upper nozzle is 150.0mm, water vapour inlet pipeline diameter is 0.5 times of die cavity length, mold cools down mode is vacuum water-cooled; Obtain foamed thermoplastic polyurethane moulding article according to aforesaid operations method.
Use comparative example 1, except the punch chamber slab vent plug in molded water vapour equipment is changed into pin hole vent plug, wherein the diameter of pin hole vent plug is 0.3mm, and spacing is 20.0mm, and the distribution density in protruding mold cavity plate is 3/cm
2obtain foamed thermoplastic polyurethane moulding article according to the operation processing mode identical with example 1 outward.
In above-mentioned example 1-3, the foamed thermoplastic polyurethane molded article surface obtaining is smooth, and between expanded particle, bonding firmly.In use comparative example, foamed thermoplastic polyurethane molded article surface is smooth, but between expanded particle, has gap, and bond effect is undesirable.
A kind of equipment for the moulding of foamed thermoplastic polyurethane particle of the present utility model, use saturated drying water steam to substitute other energy sources and heat-conduction medium, solve foamed thermoplastic polyurethane bead when bonding inhomogeneous problem of being heated, and can make contacting of water vapour and expanded bead surface uniform, prepared molded article surface is smooth, between expanded bead, bonding firmly, is applicable to suitability for industrialized production.
Claims (9)
1. the equipment for the moulding of foamed thermoplastic polyurethane particle, comprise framed (2), in framed (2), establish die cavity (3), it is characterized in that, each side of described die cavity (3) is all provided with air chamber (4), is provided with cooling water pipeline (5) in air chamber (4); Described cooling water pipeline (5) is provided with N shower nozzle (6), between air chamber (4) and die cavity (3), is provided with chamber plate (7), and chamber plate (7) is made up of matrix cavity plate and protruding mold cavity plate; Described chamber plate (7) is provided with N vent plug (8), establishes thimble (14) on matrix cavity plate; Described framed (2) top is provided with water vapour inlet pipeline (9), cooling water inlet pipeline (10) and air intlet pipeline (11), and water vapour inlet pipeline (9) is connected with water vapour generation tank (1); Described framed (2) bottom is provided with condensation-water drain pipeline (12) and vacuum suction pipeline (13), and vacuum suction pipeline (13) is connected with vavuum pump (15); Described pipeline is all provided with valve; Described N is positive integer.
2. a kind of equipment for the moulding of foamed thermoplastic polyurethane particle according to claim 1, is characterized in that, described water vapour generation tank (1) pressure-bearing is 0.12-0.20Mpa.
3. a kind of equipment for the moulding of foamed thermoplastic polyurethane particle according to claim 1, is characterized in that, described vent plug (8) is bar shaped vent plug and pin hole vent plug.
4. a kind of equipment for the moulding of foamed thermoplastic polyurethane particle according to claim 3, is characterized in that, described bar shaped vent plug is distributed in protruding mold cavity plate; Described pin hole vent plug is distributed in matrix cavity plate.
5. according to a kind of equipment for the moulding of foamed thermoplastic polyurethane particle described in claim 3 or 4, it is characterized in that, described bar shaped vent plug vertical masonry joint is 0.5-0.8mm, and spacing is 1.0-1.2mm, is 2-4/cm in the distribution density of protruding mold cavity plate
2.
6. according to a kind of equipment for the moulding of foamed thermoplastic polyurethane particle described in claim 3 or 4, it is characterized in that, described pin hole vent plug diameter is 0.5-1.0mm, and spacing is 10.0-15.0mm, is 4-6/cm in the distribution density of matrix cavity plate
2.
7. a kind of equipment for the moulding of foamed thermoplastic polyurethane particle according to claim 1, is characterized in that, described air chamber (4) volume is 2-3 times of die cavity (3) volume.
8. a kind of equipment for the moulding of foamed thermoplastic polyurethane particle according to claim 1, is characterized in that, described shower nozzle (6) spacing is 100.0-150.0mm.
9. a kind of equipment for the moulding of foamed thermoplastic polyurethane particle according to claim 1, is characterized in that, described water vapour inlet pipeline (9) diameter is 0.05-0.5 times of die cavity (3) length.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420016965.5U CN203650793U (en) | 2014-01-13 | 2014-01-13 | Device for forming foaming thermoplastic polyurethane particles |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420016965.5U CN203650793U (en) | 2014-01-13 | 2014-01-13 | Device for forming foaming thermoplastic polyurethane particles |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203650793U true CN203650793U (en) | 2014-06-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420016965.5U Expired - Lifetime CN203650793U (en) | 2014-01-13 | 2014-01-13 | Device for forming foaming thermoplastic polyurethane particles |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203650793U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104608310A (en) * | 2015-02-15 | 2015-05-13 | 江苏震展泡塑科技有限公司 | Vacuum cooling die and vacuum cooling technology for EPP forming part |
| CN106863688A (en) * | 2017-03-10 | 2017-06-20 | 宁夏共享模具有限公司 | A kind of method that concavo-convex die cavity of foaming mould installs vent plug |
| CN107116177A (en) * | 2017-03-27 | 2017-09-01 | 六安市龙兴汽车零部件有限公司 | A kind of white mould foaming forming technique method of evaporative pattern |
| CN111775389A (en) * | 2020-06-30 | 2020-10-16 | 辽宁科技大学 | Polyurethane elastomer with enhanced friction coefficient and manufacturing process thereof |
-
2014
- 2014-01-13 CN CN201420016965.5U patent/CN203650793U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104608310A (en) * | 2015-02-15 | 2015-05-13 | 江苏震展泡塑科技有限公司 | Vacuum cooling die and vacuum cooling technology for EPP forming part |
| CN106863688A (en) * | 2017-03-10 | 2017-06-20 | 宁夏共享模具有限公司 | A kind of method that concavo-convex die cavity of foaming mould installs vent plug |
| CN107116177A (en) * | 2017-03-27 | 2017-09-01 | 六安市龙兴汽车零部件有限公司 | A kind of white mould foaming forming technique method of evaporative pattern |
| CN111775389A (en) * | 2020-06-30 | 2020-10-16 | 辽宁科技大学 | Polyurethane elastomer with enhanced friction coefficient and manufacturing process thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: SHANDONG MEIRUI NEW MATERIALS CO., LTD. Free format text: FORMER NAME: YANTAI DEVELOPMENT ZONE XINLONGHUA PACKAGING MATERIAL CO., LTD. |
|
| CP03 | Change of name, title or address |
Address after: 264006 Changsha street, Yantai Development Zone, Shandong, No. 35 Patentee after: MIRACLL CHEMICALS Co.,Ltd. Address before: 264006 Shandong Yantai Development Zone Silver Zhi District Patentee before: YANTAI DEVELOPMENT ZONE XINLONGHUA PACKAGING MATERIALS CO.,LTD. |
|
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 264006 Changsha street, Yantai Development Zone, Shandong, No. 35 Patentee after: MIRACLL CHEMICALS Co.,Ltd. Address before: 264006 Changsha street, Yantai Development Zone, Shandong, No. 35 Patentee before: The United States and Shandong new materials Limited by Share Ltd. Address after: 264006 Changsha street, Yantai Development Zone, Shandong, No. 35 Patentee after: The United States and Shandong new materials Limited by Share Ltd. Address before: 264006 Changsha street, Yantai Development Zone, Shandong, No. 35 Patentee before: MIRACLL CHEMICALS Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140618 |