CN107175806A - A kind of varying pitch double helix air cooling equipment for being applied to water-soluble silk material - Google Patents
A kind of varying pitch double helix air cooling equipment for being applied to water-soluble silk material Download PDFInfo
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- CN107175806A CN107175806A CN201710556826.XA CN201710556826A CN107175806A CN 107175806 A CN107175806 A CN 107175806A CN 201710556826 A CN201710556826 A CN 201710556826A CN 107175806 A CN107175806 A CN 107175806A
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- 239000000463 material Substances 0.000 title claims abstract description 136
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- 230000007246 mechanism Effects 0.000 claims abstract description 37
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- 230000015572 biosynthetic process Effects 0.000 claims abstract description 9
- 238000009413 insulation Methods 0.000 claims description 7
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 230000008602 contraction Effects 0.000 abstract description 4
- 238000005516 engineering process Methods 0.000 abstract description 4
- 230000005484 gravity Effects 0.000 abstract description 4
- 239000000112 cooling gas Substances 0.000 abstract 1
- 230000008859 change Effects 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 238000001125 extrusion Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
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- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 238000010146 3D printing Methods 0.000 description 1
- 239000004372 Polyvinyl alcohol Substances 0.000 description 1
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- 125000000217 alkyl group Chemical group 0.000 description 1
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- 238000005469 granulation Methods 0.000 description 1
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- 238000005304 joining Methods 0.000 description 1
- 229920002521 macromolecule Polymers 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/05—Filamentary, e.g. strands
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
- B29C48/911—Cooling
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Thermotherapy And Cooling Therapy Devices (AREA)
Abstract
The invention belongs to advanced manufacture correlative technology field, it discloses a kind of varying pitch double helix air cooling equipment for being applied to water-soluble silk material, the varying pitch double helix air cooling equipment includes at least one air cooling mechanism, relative spacing is set at least one described air cooling mechanism successively, to realize the multisection type continuous coo1ing of water-soluble silk material；The air cooling mechanism includes fan housing and the varying pitch double helix spoiler being arranged in the fan housing, and the varying pitch double helix spoiler offers through hole, and the through hole is used to pass through for the water-soluble silk material；The opposite two ends of the fan housing are respectively formed be connected respectively with the two ends of the through hole silk material import and silk material outlet.The varying pitch double helix spoiler of the present invention makes cooling gas formation spiral air flow, spiral air flow surrounds silk material uniformly to cool down silk material, radially volume contraction is uniform for semisolid silk material, while spiral air flow plays a part of support to silk material, it is therefore prevented that silk material occurs staying phenomenon because of gravity.
Description
Technical field
The invention belongs to advanced manufacture correlative technology field, more particularly, to a kind of change for being applied to water-soluble silk material
Pitch double helix air cooling equipment.
Background technology
Fusion sediment shaping (Fused Deposition Modeling, FDM) is current widely used 3D printing technique
One of, it be using thermoplastic macromolecule material as raw material, by melt shower nozzle extrude semisolid fuse and layer upon layer directly from
CAD model produces 3D solid parts.
Generally, when FDM shapes cantilever design, to prevent main body moulding material from vacantly staying, it usually needs add
Plus temporary support.FDM backing materials are broadly divided into two classes：Fissility is supported and water (alkalescence or acid medium) dissolubility support.
For fissility support, the profile of formation of parts may leave surface damage because of the stripping of support.And water-soluble branch
Support can be dissolved support section in alkalescence or acidic aqueous solution by ultrasonic cleaner, be particularly suitable for manufacture hollow and micro-
Thin characteristic part, and solve and be difficult to remove support by hand, or because joining place is too fragile and the problem of tear open broken, can also increase
Plus the finish of support contact surface.The water-soluble support materials for being usually used in FDM printing technology are mainly (alkyl) acrylic acid (ester)
Analog copolymer, polyvinyl alcohol based polymer and maleic anhydride analog copolymer etc..
In FDM silk material actual fabrication process, the control of silk material line footpath is critically important, and common preparation method takes elder generation
The processing mode of bracing wire is extruded after granulation.Cooling is the important step for extruding bracing wire, and the quality of cooling effect directly decides system
The line footpath stability and circularity obtained.For FDM shaping silk materials, it is after extrusion generally by two sections of warm water, cold water
Water cooling realizes the cooling of material.And the preparation method of Water Soluble Support silk material shapes the preparation method of silk material not with common FDM
Together, it can not be cooled down by water-cooling pattern after the extrusion, and must be cooled down by other liquid mediums or air-cooled cooling
Mode.
Liquid cooling method is simple to operate, good cooling results, and silk material line footpath stablizes easily-controllable, but surface easily remains other things
Matter, appearance quality is not good enough, and production for a long time also needs to liquid make-up, then there is safety according to organic solution hidden
Suffer from；The cooling medium source of air cooling is easy, but because its coefficient of heat transfer is relatively low, traditional air cooling way cooling velocity is slow, process
Response time is longer, and cooling effect is undesirable, and such as traditional air cooling mode is that silk material either above or below one direction is directly led to
Supercooling blower fan is cooled down, and be there is a situation where that inhomogeneous cooling is even above and below silk material, is caused silk material circularity and line footpath less stable,
And silk material is easily blown partially.
The content of the invention
For the disadvantages described above or Improvement requirement of prior art, the invention provides a kind of change for being applied to water-soluble silk material
Pitch double helix air cooling equipment, its work characteristics based on the air-cooled cooling of existing silk material, for air cooling equipment carried out research and
Design.The varying pitch double helix air cooling equipment is provided with varying pitch double helix spoiler, and varying pitch double helix spoiler makes to lead to
The gas formation double helix annular flow entered, double helix annular flow surrounds silk material uniformly to be cooled down to silk material, semisolid
Radially volume contraction is uniform for silk material, while double helix annular flow plays a part of support to silk material, it is therefore prevented that silk material is because of weight
Power occurs staying phenomenon.
To achieve the above object, the invention provides a kind of air-cooled dress of varying pitch double helix for being applied to water-soluble silk material
Put, it includes at least one air cooling mechanism, and relative spacing is set at least one described air cooling mechanism successively, to realize water-soluble sex pilus
The multisection type continuous coo1ing of material；
The air cooling mechanism includes fan housing and the varying pitch double helix spoiler being arranged in the fan housing, the varying pitch
Double helix spoiler offers through hole, and the through hole is used to pass through for the water-soluble silk material；The opposite two ends of the fan housing point
Silk material import and silk material outlet are not formed with, and the two ends of the silk material import and silk material outlet respectively with the through hole are connected
It is logical；The varying pitch double helix spoiler is used for the gas formation spiral air flow that will enter in the fan housing.
Further, the double helix pitch and lead angle of the varying pitch double helix spoiler are each along the water solubility
The direction of motion of silk material gradually increases.
Further, the double helix pitch is 20cm~150cm.
Further, the center overlapping of axles of the central shaft of the varying pitch double helix spoiler and the fan housing.
Further, the center overlapping of axles of the central shaft of the through hole and the varying pitch double helix spoiler.
Further, the fan housing is hollow structure, and it includes columned body and cone, the cone connection
In one end of the body, the silk material import is formed at the other end of the body, and the silk material outlet is formed at the circle
Cone.
Further, the air cooling mechanism also includes the first blast pipe and the second blast pipe, first blast pipe and institute
State the second blast pipe and be located at the opposite both sides of the varying pitch double helix spoiler respectively, and both are double along the varying pitch respectively
The tangential direction on two opposite surfaces of spiral spoiler is set.
Further, a diameter of 10mm~50mm of the through hole.
Further, the fan housing include outer layer, internal layer and heat-insulation layer, the heat-insulation layer be located at the outer layer with it is described interior
Between layer, its thickness is 10mm~30mm.
Further, the varying pitch double helix air cooling equipment also include deflector roll, the quantity of the deflector roll with it is described air-cooled
The quantity of mechanism is corresponding, and the deflector roll is arranged at intervals with the air cooling mechanism, and it is used to accept from a upper Air cooler
The water-soluble silk material that structure comes out enters next air cooling mechanism.
In general, by the contemplated above technical scheme of the present invention compared with prior art, what the present invention was provided is suitable
Varying pitch double helix air cooling equipment for water-soluble silk material mainly has the advantages that：
1. described in varying pitch double helix spoiler offer through hole, the through hole is used to pass through for the water-soluble silk material,
The varying pitch double helix spoiler is used for the gas formation spiral air flow that will enter in the fan housing, and spiral air flow surrounds silk material
Uniformly to be cooled down to silk material so that the cure shrinkage of silk material radial direction is more uniform, the circularity precision and line of silk material are improved
Footpath stability；Meanwhile, spiral air flow plays a part of support to silk material, it is therefore prevented that silk material occurs staying phenomenon because of gravity；
2. varying pitch double helix spoiler is varying pitch structure, cooling air is in the corresponding wind of different double helix pitch
The direction of motion of the holdup time along silk material in the region of cover gradually shortens, and progressively cooling-down type slow cooling is carried out to silk material, to subtract
The internal stress of few silk material, it is to avoid silk material produces stress deformation or cracking phenomena in use；
3. described in the cooling medium that uses of cooling device for gas, extensively, cost is relatively low, and security is higher for gas source.
Brief description of the drawings
Fig. 1 is that the varying pitch double helix air cooling equipment for being applied to water-soluble silk material that the present invention is provided is in use state
Schematic diagram；
Fig. 2 is the schematic diagram suitable for the varying pitch double helix air cooling equipment of water-soluble silk material along an angle in Fig. 1；
Fig. 3 is the fan housing and the double spiral shells of varying pitch of the varying pitch double helix air cooling equipment for being applied to water-soluble silk material in Fig. 1
Revolve the sectional view of spoiler.
In all of the figs, identical reference is used for representing identical element or structure, wherein：The double spiral shells of 1- varying pitch
Revolve spoiler, 2- fan housings, 3- through holes, 4- blast pipes, the blast pipes of 41- first, the blast pipes of 42- second, 5- silk material imports, 6- silk materials
Outlet, 7- deflector rolls.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, it is right below in conjunction with drawings and Examples
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.As long as in addition, technical characteristic involved in each embodiment of invention described below
Not constituting conflict each other can just be mutually combined.
Fig. 1 to Fig. 3 is referred to, what better embodiment of the present invention was provided is applied to the varying pitch double helix of water-soluble silk material
Air cooling equipment, the varying pitch double helix air cooling equipment is provided with varying pitch double helix spoiler, varying pitch double helix spoiler
Make the gas formation double helix annular flow being passed through, double helix annular flow surrounds silk material uniformly to be cooled down to silk material, half
Radially volume contraction is uniform for solid-state silk material, while double helix annular flow plays a part of support to silk material, it is therefore prevented that silk material
Occur staying phenomenon because of gravity.
The varying pitch double helix air cooling equipment includes at least one air cooling mechanism and deflector roll 7, and described at least one is air-cooled
Mechanism is arranged at intervals successively, and the deflector roll 7 is arranged between the two neighboring air cooling mechanism, and it is used to accept from a upper institute
State the silk material that air cooling mechanism comes out and enter next air cooling mechanism.In present embodiment, the two neighboring air cooling mechanism
In the silk material of one outlet with another described air cooling mechanism silk material export be oppositely arranged.
The air cooling mechanism includes fan housing 2, varying pitch double helix spoiler 1 and blast pipe 4, and the varying pitch double helix is disturbed
Stream plate 1 is arranged in the fan housing 2, and the blast pipe 4 is arranged at the fan housing 2, and its one end is contained in the fan housing 2.This
In embodiment, the center overlapping of axles of the central shaft of the fan housing 2 and the varying pitch double helix spoiler 1；The blast pipe 4
Along the tangentially-arranged of the surface of the varying pitch double helix spoiler 1.
The fan housing 2 is hollow structure, and it includes columned body and cone, and the cone is connected to described
One end of body, the other end of the body is formed with silk material import 5.The cone is formed with silk material outlet 6, effectively to reduce
Air drag.The silk material import 5 is with silk material outlet 6 just to setting.The fan housing 2 is formed with host cavity, the collecting
Chamber is used to house the varying pitch double helix spoiler 1 and passed through for silk material.In present embodiment, the host cavity and the silk
Material import 5 and silk material outlet 6 are connected.
The fan housing 2 includes outer layer, internal layer and heat-insulation layer, and the heat-insulation layer is located between the outer layer and the internal layer,
Its thickness is 10mm~30mm.The heat-insulation layer is used to ensure the temperature stabilization in the fan housing 2.It is described in present embodiment
Silk material is water-soluble silk material.
The varying pitch double helix spoiler 1 is arranged in the host cavity, and its direction of motion along silk material is in gradient
Change, as gradient-structure.The double helix pitch and lead angle of the varying pitch double helix spoiler 1 are along the silk material
The direction of motion is gradually changed.(double helix rotates a circle institute the double helix pitch of the varying pitch double helix spoiler 1 along helical axis
The air line distance of translation) scope be 20cm~150cm.In present embodiment, the double helix of the varying pitch double helix spoiler 1
Pitch exports 6 from the silk material import 5 to the silk material and gradually increased, and lead angle also gradually increases.
The varying pitch double helix spoiler 1 is used to make to exist from the constant temperature gas that the blast pipe 4 enters in the fan housing 2
The heat-exchange time of formation spiral air flow in the fan housing 2, the mode directly cooled down relative to traditional cooling blower, gas and silk material
Increase, cooling effectiveness is improved.Meanwhile, spiral air flow ensure that gas and the uniform heat exchange of circular silk material so that silk material is solid
Change and shrink more uniform, improve the circularity precision and line footpath stability of silk material.
In present embodiment, the varying pitch double helix spoiler 1 is additionally operable to make cooling air in different double helix pitch
The direction of motion of the holdup time along silk material in the region of the corresponding fan housing 2 is gradually shortened, and silk material is progressively dropped
Warm formula slow cooling, to reduce the internal stress of silk material, it is to avoid silk material produces stress deformation or cracking phenomena in use.
The varying pitch spoiler 1 is offered in through hole 3, the central shaft of the through hole 3 and the varying pitch spoiler 1
Heart overlapping of axles.The through hole 3 is used to pass through for silk material, and its two ends is connected with the silk material entrance 5 and silk material outlet 6 respectively
It is logical.In present embodiment, a diameter of 10mm~50mm of the through hole 3.
The blast pipe 4 includes the first blast pipe 41 and the second blast pipe 42, first blast pipe 41 and described second
Blast pipe 42 is located at opposite two of the varying pitch double helix spoiler 1 respectively, and is disturbed respectively along the varying pitch double helix
Flow the opposite front of plate 1 and the tangential direction of aspect is set.
During work, water-soluble silk material enters the air cooling mechanism through the silk material import 5 after melting extrusion and cooled down, and from
Accepted behind the corresponding silk material outlet 6 out by the deflector roll 7 into next air cooling mechanism, so realize multisection type
Continuous coo1ing.
The air-cooled dress of varying pitch double helix for being applied to water-soluble silk material provided below with several embodiments the present invention
Put and be further elaborated.
Embodiment 1
The varying pitch double helix air cooling equipment for being applied to water-soluble silk material that embodiment 1 is provided include two air cooling mechanisms and
One deflector roll 7, two air cooling mechanism relative spacings are set, and the deflector roll 7 is located in the middle of two air cooling mechanisms,
It is used to accept the water-soluble silk material come out from one in two air cooling mechanisms into another described air cooling mechanism, real
The two-stage cooling of the existing water-soluble silk material.In present embodiment, two air cooling mechanisms are along the water-soluble silk material
The length of the direction of motion is respectively 4 meters and 5 meters；A diameter of 10 millimeters of the through hole 3.
Embodiment 2
It is suitable that the varying pitch double helix air cooling equipment and embodiment 1 suitable for water-soluble silk material that embodiment 2 is provided are provided
Varying pitch double helix air cooling equipment for water-soluble silk material is essentially identical, and difference is that the air cooling equipment of embodiment 2 can
Realize the three-stage cooling of water-soluble silk material, the air cooling equipment includes the air cooling mechanism that 3 relative spacings set and two are led
Rail 7, two guide rails 7 and 3 air cooling mechanisms are arranged at intervals, and three air cooling mechanisms are along the water-soluble silk material
The length of the direction of motion is respectively 2 meters, 3 meters and 4 meters；A diameter of 30 millimeters of the through hole 3.
Embodiment 3
It is suitable that the varying pitch double helix air cooling equipment and embodiment 1 suitable for water-soluble silk material that embodiment 3 is provided are provided
Varying pitch double helix air cooling equipment for water-soluble silk material is essentially identical, and difference is the logical of the air cooling equipment of embodiment 3
A diameter of 50 millimeters of hole 3.
What the present invention was provided is applied to the varying pitch double helix air cooling equipment of water-soluble silk material, and it is provided with the double spiral shells of varying pitch
Spoiler is revolved, varying pitch double helix spoiler makes the gas formation double helix annular flow being passed through, and double helix annular flow is surrounded
Silk material to silk material uniformly to be cooled down, and radially volume contraction is uniform for semisolid silk material, while double helix annular flow is to silk
Material plays a part of support, it is therefore prevented that silk material occurs staying phenomenon because of gravity.
As it will be easily appreciated by one skilled in the art that the foregoing is merely illustrative of the preferred embodiments of the present invention, it is not used to
The limitation present invention, any modifications, equivalent substitutions and improvements made within the spirit and principles of the invention etc., it all should include
Within protection scope of the present invention.
Claims (10)
1. a kind of varying pitch double helix air cooling equipment for being applied to water-soluble silk material, it is characterised in that：
The varying pitch double helix air cooling equipment includes at least one air cooling mechanism, and at least one described air cooling mechanism is relative successively
It is arranged at intervals, to realize the multisection type continuous coo1ing of water-soluble silk material；
The air cooling mechanism includes fan housing and the varying pitch double helix spoiler being arranged in the fan housing, the double spiral shells of the varying pitch
Rotation spoiler offers through hole, and the through hole is used to pass through for the water-soluble silk material；The opposite two ends difference shape of the fan housing
Into having silk material import and silk material outlet, the two ends of the silk material import and silk material outlet respectively with the through hole are connected；
The varying pitch double helix spoiler is used for the gas formation spiral air flow that will enter in the fan housing.
2. the varying pitch double helix air cooling equipment as claimed in claim 1 for being applied to water-soluble silk material, it is characterised in that：It is described
The double helix pitch and lead angle of varying pitch double helix spoiler gradually increase each along the direction of motion of the water-soluble silk material
Greatly.
3. the varying pitch double helix air cooling equipment as claimed in claim 2 for being applied to water-soluble silk material, it is characterised in that：It is described
Double helix pitch is 20cm~150cm.
4. the varying pitch double helix air cooling equipment as claimed in claim 1 for being applied to water-soluble silk material, it is characterised in that：It is described
The central shaft of varying pitch double helix spoiler and the center overlapping of axles of the fan housing.
5. the varying pitch double helix air cooling equipment as claimed in claim 4 for being applied to water-soluble silk material, it is characterised in that：It is described
The center overlapping of axles of the central shaft of through hole and the varying pitch double helix spoiler.
6. the varying pitch double helix air cooling equipment as claimed in claim 1 for being applied to water-soluble silk material, it is characterised in that：It is described
Fan housing is hollow structure, and it includes columned body and cone, and the cone is connected to one end of the body, described
Silk material import is formed at the other end of the body, and the silk material outlet is formed at the cone.
7. the varying pitch double helix air cooling equipment for being applied to water-soluble silk material as described in claim any one of 1-6, its feature
It is：The air cooling mechanism also includes the first blast pipe and the second blast pipe, first blast pipe and second blast pipe
It is located at the opposite both sides of the varying pitch double helix spoiler respectively, and both are respectively along the varying pitch double helix spoiler phase
The tangential direction on two surfaces of the back of the body is set.
8. the varying pitch double helix air cooling equipment for being applied to water-soluble silk material as described in claim any one of 1-6, its feature
It is：A diameter of 10mm~50mm of the through hole.
9. the varying pitch double helix air cooling equipment for being applied to water-soluble silk material as described in claim any one of 1-6, its feature
It is：The fan housing includes outer layer, internal layer and heat-insulation layer, and the heat-insulation layer is located between the outer layer and the internal layer, and it is thick
Spend for 10mm~30mm.
10. the varying pitch double helix air cooling equipment for being applied to water-soluble silk material as described in claim any one of 1-6, its feature
It is：The varying pitch double helix air cooling equipment also includes deflector roll, the quantity of the deflector roll and the quantity phase of the air cooling mechanism
Correspondence, the deflector roll and the air cooling mechanism are arranged at intervals, and it is used to accepting from described in a upper air cooling mechanism comes out
Water-soluble silk material enters next air cooling mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710556826.XA CN107175806B (en) | 2017-07-10 | 2017-07-10 | A kind of varying pitch double helix air cooling equipment suitable for water-soluble silk material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710556826.XA CN107175806B (en) | 2017-07-10 | 2017-07-10 | A kind of varying pitch double helix air cooling equipment suitable for water-soluble silk material |
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| Publication Number | Publication Date |
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| CN107175806A true CN107175806A (en) | 2017-09-19 |
| CN107175806B CN107175806B (en) | 2019-02-12 |
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ID=59845156
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710556826.XA Active CN107175806B (en) | 2017-07-10 | 2017-07-10 | A kind of varying pitch double helix air cooling equipment suitable for water-soluble silk material |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0392368A2 (en) * | 1989-04-08 | 1990-10-17 | Werner Bachmann | Installation for combustible waste gas incineration |
| JP2005161612A (en) * | 2003-12-01 | 2005-06-23 | Jfe Steel Kk | Manufacturing method of polyolefin resin coated steel pipe excellent in surface appearance |
| CN202814197U (en) * | 2012-04-24 | 2013-03-20 | 北新集团建材股份有限公司 | Efficient revolving cooler |
| CN205058561U (en) * | 2015-10-23 | 2016-03-02 | 上海长园电子材料有限公司 | Fan cooler and tubular product extrusion moulding device are extruded to ring -type |
| CN206085646U (en) * | 2016-10-28 | 2017-04-12 | 陈鹤忠 | Gradually cold charge in winding pipe production line is put |
-
2017
- 2017-07-10 CN CN201710556826.XA patent/CN107175806B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0392368A2 (en) * | 1989-04-08 | 1990-10-17 | Werner Bachmann | Installation for combustible waste gas incineration |
| JP2005161612A (en) * | 2003-12-01 | 2005-06-23 | Jfe Steel Kk | Manufacturing method of polyolefin resin coated steel pipe excellent in surface appearance |
| CN202814197U (en) * | 2012-04-24 | 2013-03-20 | 北新集团建材股份有限公司 | Efficient revolving cooler |
| CN205058561U (en) * | 2015-10-23 | 2016-03-02 | 上海长园电子材料有限公司 | Fan cooler and tubular product extrusion moulding device are extruded to ring -type |
| CN206085646U (en) * | 2016-10-28 | 2017-04-12 | 陈鹤忠 | Gradually cold charge in winding pipe production line is put |
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| Publication number | Publication date |
|---|---|
| CN107175806B (en) | 2019-02-12 |
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