CN104097273A - Environmentally-friendly energy-saving carbon reduction type TPU (thermoplastic polyurethane elastomer rubber) forming method and device - Google Patents
Environmentally-friendly energy-saving carbon reduction type TPU (thermoplastic polyurethane elastomer rubber) forming method and device Download PDFInfo
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- CN104097273A CN104097273A CN201310121607.0A CN201310121607A CN104097273A CN 104097273 A CN104097273 A CN 104097273A CN 201310121607 A CN201310121607 A CN 201310121607A CN 104097273 A CN104097273 A CN 104097273A
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- tpu
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- environmental protection
- energy saving
- kneading
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 30
- 229910052799 carbon Inorganic materials 0.000 title claims abstract description 30
- 238000000034 method Methods 0.000 title claims abstract description 29
- 229920001971 elastomer Polymers 0.000 title abstract description 6
- 239000004433 Thermoplastic polyurethane Substances 0.000 title abstract 9
- 229920002803 thermoplastic polyurethane Polymers 0.000 title abstract 9
- 239000000806 elastomer Substances 0.000 title abstract 2
- 239000000203 mixture Substances 0.000 claims abstract description 31
- 238000002347 injection Methods 0.000 claims abstract description 27
- 239000007924 injection Substances 0.000 claims abstract description 27
- 238000004898 kneading Methods 0.000 claims abstract description 26
- 238000006243 chemical reaction Methods 0.000 claims abstract description 19
- 238000002156 mixing Methods 0.000 claims abstract description 15
- 239000012948 isocyanate Substances 0.000 claims abstract description 12
- 150000002513 isocyanates Chemical class 0.000 claims abstract description 12
- 229920000642 polymer Polymers 0.000 claims abstract description 12
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims abstract description 9
- 238000001816 cooling Methods 0.000 claims abstract description 8
- 238000002360 preparation method Methods 0.000 claims abstract description 4
- 230000007613 environmental effect Effects 0.000 claims description 26
- 239000000463 material Substances 0.000 claims description 12
- 150000002440 hydroxy compounds Chemical class 0.000 claims description 11
- 239000003795 chemical substances by application Substances 0.000 claims description 10
- 239000004604 Blowing Agent Substances 0.000 claims description 7
- 239000000654 additive Substances 0.000 claims description 7
- 230000000996 additive effect Effects 0.000 claims description 7
- 210000000746 body region Anatomy 0.000 claims description 6
- 239000003086 colorant Substances 0.000 claims description 4
- 238000005096 rolling process Methods 0.000 claims description 4
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical group [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 claims description 3
- 229910001861 calcium hydroxide Inorganic materials 0.000 claims description 3
- 239000000920 calcium hydroxide Substances 0.000 claims description 3
- 229910052757 nitrogen Inorganic materials 0.000 claims description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N nitrogen Substances N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 3
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 claims description 3
- 125000006850 spacer group Chemical group 0.000 claims description 3
- 239000004594 Masterbatch (MB) Substances 0.000 abstract description 12
- 238000005469 granulation Methods 0.000 abstract description 10
- 230000003179 granulation Effects 0.000 abstract description 10
- 238000002844 melting Methods 0.000 abstract description 9
- 230000008018 melting Effects 0.000 abstract description 9
- 238000010438 heat treatment Methods 0.000 abstract description 8
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 239000004970 Chain extender Substances 0.000 abstract 1
- 238000005265 energy consumption Methods 0.000 abstract 1
- -1 hydroxyl compound Chemical class 0.000 abstract 1
- 238000001746 injection moulding Methods 0.000 abstract 1
- IQPQWNKOIGAROB-UHFFFAOYSA-N isocyanate group Chemical group [N-]=C=O IQPQWNKOIGAROB-UHFFFAOYSA-N 0.000 abstract 1
- 239000000155 melt Substances 0.000 abstract 1
- 230000015572 biosynthetic process Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000004134 energy conservation Methods 0.000 description 4
- 238000001125 extrusion Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
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- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
Abstract
The invention relates to an environmentally-friendly energy-saving carbon reduction type TPU (thermoplastic polyurethane elastomer rubber) forming method and a device, and the method includes a preparation step, a first mixing step, a kneading reaction step , a pressurized mould injection step and a cooling and demoulding step. According to the method, an isocyanate-group-containing isocyanate polymer, a hydroxyl-containing hydroxyl compound and a chain extender are firstly mixed together to form a mixture, then the mixture is kneaded for reaction to form TPU, according to the characteristics that the mixture may produce heat and melts in the process of the kneading reaction to form the TPU, the TPU is directly pressurized for mould injection to form a TPU finished product, thereby, through a consistent production process, the TPU manufacturing can be completed, and compared with a manufacture procedure of first granulation then injection molding, energy consumption of granulation and master batch heating and melting can be omitted, and the environmentally-friendly energy-saving carbon reduction effects can be achieved.
Description
Technical field
The present invention, about forming method and the device thereof of a kind of TPU, refers to that a kind of environmental protection and energy saving subtract forming method and the device thereof of carbon type TPU especially.
Background technology
Mostly the forming method of existing TPU (TPUE rubber) is that the hydroxy compound that an isocyanates polymer and that contains NCO (NCO) is contained to OH (hydroxyl) is first mixed into after a TPU; send into again and in comminutor, carry out granulation and form a master batch; afterwards by the ejection formation factory of this master batch fed downstream; after Shi Gai ejection formation factory this master batch of heating and melting; further send into again a Jet forming machine and add injection die, to complete a TPU finished product.
The forming method of above-mentioned TPU, granulation and heating and melting master batch all need consume mass energy, according to practical experience, the energy that granulation consumes is about 600KW, and the energy that heating and melting master batch consumes is about 60 to 200KW, the energy consuming is very huge, not only cannot meet the desired environmental protection of modern society, energy-conservation, subtract carbon requirement, and more can significantly increase production cost in two ages of rising of oil electricity, in addition because the hardness requirement of every kind of TPU finished product differs, so the forming method of above-mentioned TPU need to utilize the master batch of different hardness to carry out hardness allotment, cause the master batch of the necessary standing multiple different hardness of user, and the inconvenience that increasing user gets the raw materials ready on foot.
Summary of the invention
In view of this, the object of the present invention is to provide a kind of environmental protection and energy saving to subtract forming method and the device thereof of carbon type TPU, it can omit the energy resource consumption of granulation and heating and melting master batch, with reach environmental protection, energy-conservation, subtract carbon texts.
For achieving the above object, the invention provides a kind of environmental protection and energy saving and subtract the forming method of carbon type TPU, include the following step:
Material preparation step: prepare hydroxy compound and a chain elongation agent that an isocyanates polymer, that contains NCO contains hydroxyl;
Mixed once step: mix this isocyanates polymer that contains NCO, this hydroxy compound that contains hydroxyl and this chain elongation agent, form a mixture;
Mediate reactions steps: mediate this mixture, make this mixture reaction form a TPU;
Add injection die step: this TPU is injected in a mould, and this mould of locking; And
Cooling and demolding step: after this TPU is cooling, the demoulding obtains a TPU finished product.
As preferred version, wherein this kneading reactions steps and this add and between injection die step, further include the following step:
Secondary blend step: this TPU is further mixed with to a colorant.
As preferred version, wherein this kneading reactions steps and this add and between injection die step, further include the following step:
Secondary blend step: this TPU is further mixed with to a blowing agent, and wherein, this blowing agent is nitrogen.
As preferred version, wherein this kneading reactions steps and this add and between injection die step, further include the following step:
Secondary blend step: this TPU is further mixed with to an additive, and wherein, this additive is calcium hydroxide.
For reaching above-mentioned purpose, the present invention separately provides a kind of environmental protection and energy saving to subtract the shaped device of carbon type TPU, includes:
One charging basket unit, it has multiple basic material barrels;
One first mixed cell, it is connected in the basic material barrel of this charging basket unit, and has one first body, and in this first body, is pivoted with one first feed rod, and this first feed rod is connected with one first motor;
One mediates unit, and it is connected in this first mixed cell, and has one second body, and parallel 2 second feed rods that are pivoted with in this second body, and these second feed rods are connected with one second motor;
One injection unit, it is connected in this kneading unit, and has one the 3rd body, and in the 3rd body, is pivoted with at least one the 3rd feed rod, and the 3rd feed rod is connected with a three-motor;
One clamping mechanism, it is connected in this injection unit, and has a body, and in this body, is provided with a runner, and in this runner, being provided with one can be for the control valve that opens and closes this runner;
One mould, it is connected in this clamping mechanism.
As preferred version, wherein this first body region is divided into a mixing section and one first escort section, and this mixing section is connected in this charging basket unit, the inwall of this first body to should mixing section place more spacer ring be provided with multiple the first projections, this first feed rod is to should being equipped with multiple the second projections in mixing section place, and these second projections are located at respectively between every 2 first projections, this first feed rod is to should being equipped with vertically a helical blade in the first escort section place.
As preferred version, wherein this second body region is divided into one second escort Duan Yuyi kneading block, and this second escort section is connected in this first escort section, these second feed rods are to should being respectively provided with vertically a spiral projection in the second escort section place, and the submission of the spiral projection of this spiral projection and another the second feed rod is wrong to be arranged, these second feed rods are to should being made up of folded the establishing of sheet of rolling of multiple eccentric settings at kneading block place.
As preferred version, wherein the 3rd body region is divided into a leading portion and a back segment, and this leading portion is connected with this kneading block, and the 3rd feed rod is equipped with a helical blade vertically.
As preferred version; wherein the flow path area of this clamping mechanism divides the first flow, one second runner that are in a parallel set; and be vertically connected at the connecting passage between this first flow and this second runner; this control valve has is located at this external cylinder pressure; and this cylinder pressure is connected with a valve rod that is arranged in this connecting passage; the other end of this valve rod is connected with a valve block, and this valve block is positioned at this first flow place, and the diameter of this valve block is greater than this connecting passage.
As preferred version, wherein this charging basket unit further includes multiple secondary charging baskets;
And more include one second mixed cell, it is connected between this kneading unit and this injection unit, and be connected with these secondary charging baskets, and this second mixed cell has one the 4th body, parallel 2 the 4th feed rods that are pivoted with in the 4th body, on these grade in an imperial examination four feed rods, be respectively provided with vertically a spiral projection, and the wrong setting of the spiral projection of this spiral projection and another the 4th feed rod submission, and these grade in an imperial examination four feed rods are connected with one the 4th motor.
Environmental protection and energy saving provided by the present invention subtract forming method and the device thereof of carbon type TPU, this can be contained to the isocyanates polymer of NCO (NCO), the hydroxy compound that this contains OH (hydroxyl) and this chain elongation agent are first mixed to form this mixture, mediate again this mixture, make this mixture reaction form this TPU, then react meeting heating in the process that forms this TPU and the characteristic of melting by this mixture in mediating, need not heat this TPU again, can directly this TPU be added to injection die to form this TPU finished product, whereby, make the present invention can complete by the production procedure of consistentization the manufacture of TPU, and with known first granulation again the processing procedure of ejection formation compare, can omit the energy resource consumption of granulation and heating and melting master batch, to reach environmental protection, energy-conservation, subtract carbon texts.
Brief description of the drawings
Fig. 1 is the flow chart of steps of the present invention's the first preferred embodiment;
Fig. 2 is the device schematic diagram of the present invention's the first preferred embodiment;
Fig. 3 is the flow chart of steps of the present invention's the second preferred embodiment;
Fig. 4 is the device schematic diagram of the present invention's the second preferred embodiment.
[main element symbol description]
10-charging basket unit; 100-environmental protection and energy saving subtract the shaped device of carbon type TPU; 11-basic material barrel; 111-measures follower; The secondary charging basket of 12-; 121-measures follower;
20-the first mixed cell; 21-the first body; 211-mixing section; 212-the first escort section; 213-the first projection; 22-the first feed rod; 221-the second projection; 222-helical blade; 23-the first motor;
30-mediates unit; 31-the second body; 311-the second escort section; 312-kneading block; 32-the second feed rod; 321-spiral projection; 322-rolls sheet; 33-the second motor;
40-injection unit; 41-the 3rd body; 411-leading portion; 412-back segment; 42-the 3rd feed rod; 421-helical blade; 43-three-motor;
50-clamping mechanism; 51-body; 52-runner; 521-first flow; 522-the second runner; 523-connecting passage; 53-control valve; 531-cylinder pressure; 532-valve rod; 533-valve block;
60-mould;
70-the second mixed cell; 71-the 4th body; 72-the 4th feed rod; 721-spiral projection; 73-the 4th motor.
Embodiment
In order further to understand feature of the present invention and technology contents, refer to following about detailed description of the present invention and accompanying drawing, but its only provide with reference to the use of explanation, be not for limiting the present invention.
Refer to shown in Fig. 1, for the flow chart of steps of the present invention's the first preferred embodiment, its announcement has a kind of environmental protection and energy saving to subtract the forming method of carbon type TPU (TPUE rubber), and the forming method that these environmental protection and energy saving subtract carbon type TPU includes the following step:
Material preparation step: prepare hydroxy compound and a chain elongation agent that an isocyanates polymer, that contains NCO (NCO) contains OH (hydroxyl).
Mixed once step: mix this isocyanates polymer that contains NCO (NCO), this hydroxy compound that contains OH (hydroxyl) and this chain elongation agent, form a mixture.
Mediate reactions steps: mediate this mixture, make this mixture reaction form a TPU.
Add injection die step: this TPU is injected in a mould, and this mould of locking.
Cooling and demolding step: after this TPU is cooling, the demoulding obtains a TPU finished product.
Please consult shown in Fig. 2, be the device schematic diagram of the present invention's the first preferred embodiment simultaneously again, in order to coordinate said method, and the shaped device 100 that separately provides a kind of environmental protection and energy saving to subtract carbon type TPU, the shaped device 100 that these environmental protection and energy saving subtract carbon type TPU includes:
One charging basket unit 10, it has multiple basic material barrels 11, and described basic material barrel 11 is respectively connected with a metering follower 111.
One first mixed cell 20, it has one first body 21, and this first body 21 is distinguished into a mixing section 211 and one first escort section 212, this mixing section 211 is connected in the basic material barrel 11 of this charging basket unit 10, simultaneously the inwall of this first body 21 to should mixing section 211 places more spacer ring be provided with multiple the first projections 213, separately, in this first body 21, be pivoted with one first feed rod 22, and this first feed rod 22 is to being equipped with multiple the second projections 221 in mixing section 211 places, described the second projection 221 is located at respectively 213 of every 2 first projections, this first feed rod 22 is to should being equipped with vertically a helical blade 222 in the first escort section 212 places, again, this first feed rod 22 is connected with one first motor 23.
One mediates unit 30, and it has one second body 31, and this second body 31 is distinguished into one second escort section 311 and a kneading block 312, and this second escort section 311 is connected in first escort sections 212 of this first mixed cell 20; In addition, interior parallel 2 second feed rods 32 that are pivoted with of this second body 31, and described the second feed rod 32 is to should being respectively provided with vertically a spiral projection 321 in the second escort section 311 places, this spiral projection 321 is and is crisscross arranged with the spiral projection 321 of another the second feed rod 32, described the second feed rod 32 is to should being made up of folded the establishing of sheet 322 of rolling of multiple eccentric settings at kneading block 312 places, again, described the second feed rod 32 is connected with one second motor 33.
One injection unit 40, it has one the 3rd body 41, and the 3rd body 41 is distinguished into a leading portion 411 and a back segment 412, and this leading portion 411 is connected with the kneading block 312 of this kneading unit 30; In addition, be pivoted with at least one the 3rd feed rod 42 in the 3rd body 41, and the 3rd feed rod 42 is equipped with a helical blade 421 vertically, again, the 3rd feed rod 42 is connected with a three-motor 43.
One clamping mechanism 50, it is connected in the back segment 412 of this injection unit 40, and has a body 51, and in this body 51, is provided with a runner 52, is provided with a control valve 53 in this runner 52, can be for opening and closing this runner 52; In the present embodiment; the runner 52 of this clamping mechanism 50 can be distinguished into the first flow 521, one second runner 522 that be arranged in parallel; and be vertically connected at the connecting passage 523 between this first flow 521 and this second runner 522; this control valve 53 has a cylinder pressure 531 of being located at outside this body 51; and this cylinder pressure 531 is connected with a valve rod 532 that is arranged in this connecting passage 523; the other end of this valve rod 532 is connected with a valve block 533; this valve block 533 is positioned at this first flow 521 places, and the diameter of this valve block 533 is greater than this connecting passage 523.
One mould 60, it is connected in this clamping mechanism 50.
Please continue again to consult shown in Fig. 1 and Fig. 2, as long as user is the isocyanates polymer that first this is contained to NCO, described basic material barrel 11 is deposited in respectively in the hydroxy compound that this contains OH and this chain elongation agent, and export one first mixed cell 20 to by described metering follower 111 meterings, can pass through the stirring of this first extrusion bar 22, the isocyanates polymer that allows this contain NCO, the hydroxy compound that this contains OH and this chain elongation agent, in the time of the tortuous passageway forming by this first projection 213 and this second projection 221, be mixed to form this mixture, escort these mixtures to this kneading unit 30 by the helical blade 222 of this first extrusion bar 22 more afterwards, and continue to escort forward by the spiral projection 321 of described the second extrusion bar 32, then by the bias extruding by rolling sheet 322, mediate this mixture, can allow this mixture reaction form this TPU, then taking advantage of this mixture can generate heat and the characteristic of melting in the time that reaction forms this TPU, need not heat this TPU again, can directly this TPU be escorted to this injection unit 40, and by the 3rd extrusion bar 42, this TPU escort is injected in this mould 60 by this runner 52, should be noted, because this TPU itself has certain pressure, so must operate this control valve 53, make this cylinder pressure 531 drive these valve block 533 blocks of these valve rod 532 interlocks in this connecting passage 523, with this mould 60 of locking, avoiding penetrating the nib that enters of this mould 60 after mould scatters, finally after this TPU is cooling, can obtain this TPU finished product to these mould 60 demouldings, whereby, make the present invention can complete by the production procedure of consistentization the manufacture of TPU, and with known first granulation again the processing procedure of ejection formation compare, can omit the energy resource consumption of granulation and heating and melting master batch, to reach environmental protection, energy-conservation, subtract carbon texts.
It is worth mentioning that, because the present invention is after blending together this TPU, directly this TPU is penetrated to mould, so the present invention can be in the time of this mixed once step, by adjusting the ratio of this isocyanates polymer that contains NCO, this hydroxy compound that contains OH and this chain elongation agent, adjust the hardness of this TPU finished product, need to buy and can effectively solve known processing procedure the shortcoming that the master batch of different hardness carries out hardness allotment.
Referring again to Fig. 3, for the flow chart of steps of the second preferred embodiment of the present invention, forming method and aforementioned the first preferred embodiment difference that these environmental protection and energy saving subtract carbon type TPU be, adds and between injection die step, further include the following step in this kneading reactions steps and this:
Secondary blend step: this TPU is further mixed with to wherein a kind of or its combination of colorant, blowing agent and additive, wherein, this blowing agent is nitrogen, and this additive can be calcium hydroxide.
Please consult shown in Fig. 4, be the device schematic diagram of the second preferred embodiment of the present invention simultaneously again, and for coordinating above-mentioned steps, the shaped device 100 that these environmental protection and energy saving subtract carbon type TPU further includes:
This charging basket unit 10 further includes multiple secondary charging baskets 12, and described secondary charging basket 12 is respectively connected with a metering follower 121.
One second mixed cell 70, it is connected between this kneading unit 30 and this injection unit 40, and be connected with described secondary charging basket 12, and this second mixed cell 70 has one the 4th body 71, interior parallel 2 the 4th feed rods 72 that are pivoted with of the 4th body 71, on described the 4th feed rod 72, be respectively provided with vertically a spiral projection 721, and this spiral projection 721 is and is crisscross arranged with the spiral projection 721 of another the 4th feed rod 72, described the 4th feed rod 72 is connected with one the 4th motor 73 simultaneously.
Whereby, make this TPU can be further prior to being mixed with after colorant, blowing agent and additive in this second mixed cell 70, then send into this injection unit 40 and add injection die, and can promote the physical property of this TPU finished product.
The above, be only preferred embodiment of the present invention, not in order to limit scope of patent protection of the present invention, thus equivalent structure variation or the modification etc. of such as using patent spirit of the present invention to do, within all should being in like manner contained in scope of patent protection of the present invention.
Claims (10)
1. environmental protection and energy saving subtract a forming method of carbon type TPU, it is characterized in that, include the following step:
Material preparation step: prepare hydroxy compound and a chain elongation agent that an isocyanates polymer, that contains NCO contains hydroxyl;
Mixed once step: mix this isocyanates polymer that contains NCO, this hydroxy compound that contains hydroxyl and this chain elongation agent, form a mixture;
Mediate reactions steps: mediate this mixture, make this mixture reaction form a TPU;
Add injection die step: this TPU is injected in a mould, and this mould of locking; And
Cooling and demolding step: after this TPU is cooling, the demoulding obtains a TPU finished product.
2. environmental protection and energy saving as claimed in claim 1 subtract the forming method of carbon type TPU, it is characterized in that, this kneading reactions steps and this add and between injection die step, further include the following step:
Secondary blend step: this TPU is further mixed with to a colorant.
3. environmental protection and energy saving as claimed in claim 1 subtract the forming method of carbon type TPU, it is characterized in that, this kneading reactions steps and this add and between injection die step, further include the following step:
Secondary blend step: this TPU is further mixed with to a blowing agent, and wherein, this blowing agent is nitrogen.
4. environmental protection and energy saving as claimed in claim 1 subtract the forming method of carbon type TPU, it is characterized in that, this kneading reactions steps and this add and between injection die step, further include the following step:
Secondary blend step: this TPU is further mixed with to an additive, and wherein, this additive is calcium hydroxide.
5. environmental protection and energy saving subtract a shaped device of carbon type TPU, it is characterized in that, include:
One charging basket unit, it has multiple basic material barrels;
One first mixed cell, it is connected in the basic material barrel of this charging basket unit, and has one first body, and in this first body, is pivoted with one first feed rod, and this first feed rod is connected with one first motor;
One mediates unit, and it is connected in this first mixed cell, and has one second body, and parallel 2 second feed rods that are pivoted with in this second body, and these second feed rods are connected with one second motor;
One injection unit, it is connected in this kneading unit, and has one the 3rd body, and in the 3rd body, is pivoted with at least one the 3rd feed rod, and the 3rd feed rod is connected with a three-motor;
One clamping mechanism, it is connected in this injection unit, and has a body, and in this body, is provided with a runner, and in this runner, being provided with one can be for the control valve that opens and closes this runner;
One mould, it is connected in this clamping mechanism.
6. environmental protection and energy saving as claimed in claim 5 subtract the shaped device of carbon type TPU, it is characterized in that, this first body region is divided into a mixing section and one first escort section, and this mixing section is connected in this charging basket unit, the inwall of this first body to should mixing section place more spacer ring be provided with multiple the first projections, this first feed rod is to should being equipped with multiple the second projections in mixing section place, and these second projections are located at respectively between every 2 first projections, this first feed rod is to should being equipped with vertically a helical blade in the first escort section place.
7. environmental protection and energy saving as claimed in claim 5 subtract the shaped device of carbon type TPU, it is characterized in that, this second body region is divided into one second escort Duan Yuyi kneading block, and this second escort section is connected in this first escort section, these second feed rods are to should being respectively provided with vertically a spiral projection in the second escort section place, and the submission of the spiral projection of this spiral projection and another the second feed rod is wrong to be arranged, these second feed rods are to should being made up of folded the establishing of sheet of rolling of multiple eccentric settings at kneading block place.
8. environmental protection and energy saving as claimed in claim 5 subtract the shaped device of carbon type TPU, it is characterized in that, the 3rd body region is divided into a leading portion and a back segment, and this leading portion is connected with this kneading block, and the 3rd feed rod is equipped with a helical blade vertically.
9. environmental protection and energy saving as claimed in claim 5 subtract the shaped device of carbon type TPU; it is characterized in that; the flow path area of this clamping mechanism divides the first flow, one second runner that are in a parallel set; and be vertically connected at the connecting passage between this first flow and this second runner; this control valve has is located at this external cylinder pressure; and this cylinder pressure is connected with a valve rod that is arranged in this connecting passage; the other end of this valve rod is connected with a valve block; this valve block is positioned at this first flow place, and the diameter of this valve block is greater than this connecting passage.
10. environmental protection and energy saving as claimed in claim 5 subtract the shaped device of carbon type TPU, it is characterized in that:
This charging basket unit further includes multiple secondary charging baskets;
And more include one second mixed cell, it is connected between this kneading unit and this injection unit, and be connected with these secondary charging baskets, and this second mixed cell has one the 4th body, parallel 2 the 4th feed rods that are pivoted with in the 4th body, on these grade in an imperial examination four feed rods, be respectively provided with vertically a spiral projection, and the wrong setting of the spiral projection of this spiral projection and another the 4th feed rod submission, and these grade in an imperial examination four feed rods are connected with one the 4th motor.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116178937A (en) * | 2023-02-14 | 2023-05-30 | 嘉兴和雄服饰有限公司 | TPU leather label and preparation method thereof |
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| US4250292A (en) * | 1978-09-30 | 1981-02-10 | Bayer Aktiengesellschaft | Process for the preparation of polyurethane elastomers in which at least two reactant portions are introduced into separate positions of a screw machine |
| JPH0610211A (en) * | 1991-03-29 | 1994-01-18 | Kanebo Ltd | Production of polyurethane elastic yarn |
| JPH05214062A (en) * | 1992-02-05 | 1993-08-24 | Toyobo Co Ltd | Production of thermoplastic polyurethane |
| CN101200530A (en) * | 2006-12-11 | 2008-06-18 | 拜尔材料科学有限公司 | Soft thermoplastic polyurethane elastomers and methods of making and using the same |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116178937A (en) * | 2023-02-14 | 2023-05-30 | 嘉兴和雄服饰有限公司 | TPU leather label and preparation method thereof |
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