CN105599271B - A kind of rubber-moulding solid mandrel, preparation method and process units - Google Patents
A kind of rubber-moulding solid mandrel, preparation method and process units Download PDFInfo
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- CN105599271B CN105599271B CN201510957667.5A CN201510957667A CN105599271B CN 105599271 B CN105599271 B CN 105599271B CN 201510957667 A CN201510957667 A CN 201510957667A CN 105599271 B CN105599271 B CN 105599271B
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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
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
- B29C48/918—Thermal treatment of the stream of extruded material, e.g. cooling characterized by differential heating or cooling
- B29C48/9185—Thermal treatment of the stream of extruded material, e.g. cooling characterized by differential heating or cooling in the direction of the stream of the material
-
- 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
-
- 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
- B29C48/06—Rod-shaped
-
- 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
- B29C48/30—Extrusion nozzles or dies
-
- 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
- B29C48/30—Extrusion nozzles or dies
- B29C48/3001—Extrusion nozzles or dies characterised by the material or their manufacturing process
- B29C48/3003—Materials, coating or lining therefor
-
- 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
- B29C48/30—Extrusion nozzles or dies
- B29C48/32—Extrusion nozzles or dies with annular openings, e.g. for forming tubular articles
-
- 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
- B29C48/9135—Cooling of flat articles, e.g. using specially adapted supporting means
-
- 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
- B29C48/919—Thermal treatment of the stream of extruded material, e.g. cooling using a bath, e.g. extruding into an open bath to coagulate or cool the material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2023/00—Use of polyalkenes or derivatives thereof as moulding material
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The present invention provides a kind of solid mandrel of rubber-moulding, the solid mandrel has the characteristics that dimensional accuracy is high, performance is stable using TPX as raw material.Simultaneously, the present invention also provides one kind preparation method of the rubber-moulding with solid mandrel, since in method provided by the present invention, using the method for gradually cooling down semi-finished product mandrel, thus the mouldability of obtained finished product mandrel is more preferable, the higher mandrel of precision.Further, the present invention also provides one kind for implementing the rubber-moulding of the present invention for preparing with solid spindle method equipment therefor.In device provided by the present invention, the series connection cooling bath gradually to cool down can be realized by setting, so that progressive cooling can be carried out by squeezing out obtained semi-finished product mandrel, and then improve the mouldability and precision of obtained mandrel.
Description
Technical field
The present invention relates to solid mandrel fields, in particular to a kind of rubber-moulding solid mandrel, preparation method
And corresponding process units.
Background technique
Rubber tube of automobile fuel oil includes fuel oil petroleum pipeline and the fuel pipe to engine supply fuel, is important safety
Part, it is also more to the performance requirement of its material.Hose lining will select fuel-resistant medium and heat-resist material；Outer layer glue is then wanted
Select heat-resisting, resistance to ozone, the influence of resistance to environment and the material good with the adhesion property of hose lining.Conventional fuel oil sebific duct uses internal layer
Glue/intermediate/outer layer glue 3-tier architecture compound rubber pipe, internal layer are NBR (nitrile rubber)；Middle layer is to wind or braided fiber
Do skeleton；Outer layer is CR (neoprene), and to improve ageing-resistant performance, outer layer glue can use CSM (chlorosulfonated polyethylene rubber).
Mandrel is then the important tool during the extrusion molding of fuel rubber pipe road, and main function is for controlling rubber
The internal diameter of pipe.For the production on high-accuracy fuel rubber pipe road, it is necessary to use high-precision mandrel.Current mandrel material
Material is mostly the materials such as PA (polyamide, i.e. nylon), PP (polypropylene) and EPDM (ethylene propylene diene rubber).However these materials exist
Shortcoming.For example, although there is good high-temperature stability by the mandrel that PA material makes, since material itself has
There is the characteristic of water suction, so that its dimensional stability is deteriorated, and the number being recycled is less；Likewise, being made by PP or EPDM
Mandrel then to there is temperature resistant grade poor, thus productivity is bad.
In view of this, special propose the invention.
Summary of the invention
The first object of the present invention is to provide a kind of rubber-moulding solid mandrel, to solve mandrel in the prior art
It is poor rigidity, not withstand pressure and the technical issues of be easily deformed.Solid mandrel of the present invention have resistance to pressure is good, dimensional accuracy is high,
The stable feature of performance.
The second object of the present invention is to provide the preparation method of solid mandrel of rubber-moulding described in one kind.This hair
In method provided by bright, by using gradually cooling method, to obtain, mouldability is more preferable, the higher mandrel of precision.
The third object of the present invention is to provide a kind of for implementing the rubber-moulding of the present invention for preparing with solid mandrel
Method equipment therefor.In device provided by the present invention, the series connection cooling bath gradually to cool down can be realized by setting, to make
The semi-finished product mandrel that must be squeezed out can carry out progressive cooling, and then improve the mouldability and precision of obtained mandrel.
In order to realize above-mentioned purpose of the invention, the following technical scheme is adopted:
In the present invention, the solid core shaft material is TPX plastics, wherein the tensile modulus of elasticity of the TPX plastics is
250-1800MPa, bending elastic modulus 150-1600MPa.
TPX material is the crystalline polyolefins high polymer based on 4- methylpentene, the solid core manufactured using TPX as raw material
Axis has excellent rigidity and heat resistance.Further, due to not containing polar group on the strand of TPX material, because
And make the surface tension of this mandrel very low, meanwhile, this structure that does not contain a polar group but also TPX material suction
It is aqueous very low, to ensure the stability of obtained solid core shaft size.TPX mandrel is in chemical resistance, heat-resistant aging
With it is resistance to it is vapor permeability on also superior to other materials.Further, since solid TPX mandrel is compared to there is hole TPX mandrel using
Deformation quantity is almost nil in journey, and this characteristic is particularly significant for producing high-precision fuel rubber pipe road.Thus, compared to having
For the TPX mandrel of hole, solid TPX mandrel is also more suitable in rubber molding process.Further, in the present invention, by using
TPX plastics with high modulus are as mandrel material, so as to obtain with high voltage and high-precision mandrel.
Optionally, the present invention in, the TPX plastics be DX231, DX350, DX560M, DX820, DX845, MX001,
The mixture of one or more of MX002, MX002O, MX004, ML411, MBZ230, RT18, RT18XB, RT20.
Optionally, in the present invention, the TPX plastics be one of DX350, DX560M, MX002, MX004, ML411 or
Several mixtures.
In the present invention, by the selection and adjustment to TPX plastics, the mouldability and heat resistance of mandrel are further improved
Etc. physicochemical properties.
Meanwhile the preparation method the present invention also provides a kind of rubber-moulding as previously described with solid mandrel, the method
Steps are as follows: (1) raw material TPX plastics being packed into feeder, and be further introduced into extruder, by heating, plasticizing and squeezed out
Obtain the solid mandrel of semi-finished product；(2) after gradually cooling down the solid mandrel of the semi-finished product squeezed out, finished rubber molding is obtained in fact
Heart mandrel.
In the present invention, feed material plastics by using TPX as the solid mandrel, and further by gradually cooling
The solid mandrel of rubber-moulding with good mouldability and heat resistance can be made in method.
Optionally, in the present invention, the mode of the cooling includes water cooling, air cooling or spraying cooling and its group
It closes.
Optionally, in the present invention, the feeder temperature is 240-270 DEG C, and extruder screw temperature is 240-270 DEG C,
Extruder fluxing zone temperature is 220-250 DEG C, and extruder extruding zone temperature is 220-250 DEG C, and cross-head temperature is 220-
250 DEG C, extruding dies temperature is 220-250 DEG C.
In the present invention, by the adjustment and optimization to each position portion temperature in feeder and extruder, it can make
Raw material TPX can be realized abundant melting in an extruder, improve its plasticizing effect.
Optionally, in the present invention, the segmentation is gradually cooled to two sections of coolings, wherein first segment cooling temperature is 30-
90, second segment cooling temperature is 20-30 DEG C.
In the present invention, gradually cooled by semi-finished product mandrel will be made in extruder, to ensure that product is solid
The mouldability of TPX mandrel.
In the present invention, gradually cooling is to introduce cooling device by the solid mandrel of the semi-finished product that will be squeezed out to carry out for the segmentation
's；Wherein, the cooling device includes two or more series connection cooling baths, and the temperature for cooling bath of connecting successively reduces.It will be partly
After finished solid mandrel passes sequentially through series connection cooling bath, realization gradually cools to it.Preferably, the cooling device includes
Two, three or four series connection cooling baths.
Further, the cooling bath is made of one or more series connection cooling units；Preferably, the cooling bath is by 1-
20 series connection cooling unit compositions；It is furthermore preferred that the cooling bath is made of 1-10 cooling unit in the present invention.Particularly,
The cooling bath is made of 5-10 cooling unit.Wherein, the temperature of the series connection cooling unit successively reduces.
Optionally, the cooling device includes two series connection cooling baths, wherein the temperature of the first cooling bath is 30-90 DEG C,
The temperature of second cooling bath is 20-30 DEG C；Preferably, the temperature of first cooling bath is 30-60 DEG C, the temperature of the second cooling bath
Degree is 20-25 DEG C.
Optionally, the cooling device includes two series connection cooling baths, is sequentially connected in series wherein the first cooling bath includes 10
Cooling unit, the cooling unit temperature is successively gradually uniformly reduced to 30 DEG C by 90 DEG C；Second cooling bath includes 1 cooling
Unit, the cooling unit temperature are 20 DEG C.
Optionally, the cooling device includes two series connection cooling baths, is sequentially connected in series wherein the first cooling bath includes 10
Cooling unit, the cooling unit temperature is successively gradually uniformly reduced to 30 DEG C by 60 DEG C；Second cooling bath includes 1 cooling
Unit, the cooling unit temperature are 20 DEG C.
Optionally, described to be cooled to one of cooling water, air cooling and spraying cooling or its group in the present invention
It closes.
Further, the present invention also provides one kind for implementing the rubber-moulding of the present invention for preparing with solid mandrel side
Method equipment therefor.Described device includes extruder and cooling device；Wherein, the cooling device includes two or more series connection
Cooling bath, the solid mandrel of the semi-finished product squeezed out from extruder pass sequentially through the series connection cooling bath and gradually cool,
And then obtain finished solid mandrel.
In the present invention, gradually cooled by semi-finished product mandrel will be made in extruder in the cooling device, from
And it ensure that the mouldability of the solid TPX mandrel of product.
Optionally, in the present invention, the cooling device is less than 100mm at a distance from the mouth mold of the extruder；Preferably,
In the present invention, the cooling device is less than 50mm at a distance from the mouth mold of the extruder.
In the present invention, by being adjusted the extruding dies at a distance from the cooling device, so that institute
The semi-finished product mandrel of extrusion can be formed rapidly after the extrusion.
Optionally, in the present invention, the extruder is single screw extrusion machine or double screw extruder；Preferably, in invention
The extruder is double screw extruder.
Optionally, in the present invention, the type of cooling is water cooling, air cooling, spraying cooling or its group in the cooling device
It closes.
Optionally, in the present invention, the compression ratio of the extruder screw is 1.4-5.0；Preferably, heretofore described to squeeze
The compression ratio of machine screw rod is 2.4-4.0 out.
Optionally, in the present invention, the temperature of the series connection cooling bath is successively reduced.
Optionally, in the present invention, the length of the cooling bath is 3-12m.
Optionally, in the present invention, the cooling device includes two or more series connection cooling baths, and the semi-finished product are solid
Mandrel passes sequentially through the series connection cooling bath into gradually cooling；Preferably, in the present invention, the cooling device includes two
A, three or four series connection cooling baths.
Optionally, in the present invention, the cooling bath is made of one or more series connection cooling units；Preferably, of the invention
In, the cooling bath is made of 1-20 series connection cooling unit；It is furthermore preferred that the cooling bath is cold by 1-10 in the present invention
But unit forms.Particularly, in the present invention, the cooling bath is made of 5-10 cooling unit.
Optionally, in the present invention, the temperature of the series connection cooling unit is successively reduced.
Optionally, in the present invention, the type of cooling of the cooling bath includes that water is cooling, air is cooling or spraying cooling with
And combinations thereof.
Compared with prior art, the invention has the benefit that
(1) in the present invention, by using TPX plastics as solid core shaft material, the surface hardness and ruler of mandrel are improved
Very little stability.
(2) in the method for the invention, by gradually being cooled down mandrel, can be improved obtained mandrel is made type
Property and heat resistance.
(3) it in device of the present invention, is carried out by semi-finished product mandrel will be made in extruder in the cooling device
It gradually cools, to ensure that the mouldability of the solid TPX mandrel of product.
Specific embodiment
Embodiment of the present invention is described in detail below in conjunction with embodiment, but those skilled in the art will
Understand, the following example is merely to illustrate the present invention, and is not construed as limiting the scope of the invention.It is not specified in embodiment specific
Condition person carries out according to conventional conditions or manufacturer's recommended conditions.Reagents or instruments used without specified manufacturer is
The conventional products that can be obtained by commercially available purchase.
Embodiment 1-3
Appropriate TPX MX002 (tensile modulus of elasticity 900MPa, bending elastic modulus 480MPa), TPX are weighed respectively
(tensile modulus of elasticity is by MX560 (tensile modulus of elasticity 280MPa, bending elastic modulus 190MPa), TPX MX411
550MPa, bending elastic modulus 330MPa) as the feed material plastics of embodiment 1-3 it is packed into feeder, and it is further drawn
Enter in single screw extrusion machine, sets extrusion core pipe diameter as 8mm, extrusion obtains the solid core pipe of semi-finished product.Wherein, feeder temperature
It is set as 240 DEG C, extruder screw temperature is set as 250 DEG C, and extruder fluxing zone temperature is set as 250 DEG C, and extruder squeezes out
Duan Wendu is set as 240 DEG C, and cross-head temperature is set as 240 DEG C, and extruding dies temperature is set as 240 DEG C.
Then, the solid core pipe of the semi-finished product squeezed out in single screw extrusion machine is introduced into cooling device, by described half
Finished product heart core pipe is gradually cooled down to obtain the finished solid core pipe of embodiment 1-3, and carries out performance to obtained core pipe
Test.Wherein, the cooling device is 50mm at a distance from extruding dies.
Further, the cooling device is made of two series connection cooling baths.Wherein, the first cooling bath is further by 10
Cooling unit of connecting forms, and is cooled down in each cooling unit using water cooling and the cooling alternate mode of air.First is cold
But each unit temperature is successively gradually uniformly reduced to 30 DEG C by 60 DEG C in slot.Second cooling bath is made of 1 cooling unit, and is adopted
It is cooled down with water-cooling pattern, the second cooling bath temperature is 20 DEG C.
Comparative example 1-2
The feed material plastics of appropriate PA (polyamide) and PP (polyethylene) 1-2 as a comparison case are weighed respectively, and according to reality
1-3 the method step and a device are applied, the finished product solid core core pipe of comparative example 1-2 is prepared, and its performance is tested.Through
Test, embodiment 1-3 and comparative example 1-2 core pipe performance test data are as shown in table 1 below:
The performance data of 1. embodiment 1-3 of table and comparative example 1-2 mandrel
Embodiment 4-6
Appropriate TPX MX004 (tensile modulus of elasticity 1300MPa, bending elastic modulus 750MPa), TPX are weighed respectively
MX845's (tensile modulus of elasticity 1900MPa, bending elastic modulus 1500MPa) and TPX MX002 and TPX MX560
Feed material plastics of the mixture (mass ratio of MX002 and MX560 are 1:1) as embodiment 4-6, and it is loaded into feeder, so
After be further introduced into single screw extrusion machine, set extrusion core pipe diameter as 8mm, extrusion obtains the solid core pipe of semi-finished product.Wherein,
Feeder temperature is set as 240 DEG C, and extruder screw temperature is set as 260 DEG C, and extruder fluxing zone temperature is set as 255 DEG C,
Extruder extruding zone temperature is set as 250 DEG C, and cross-head temperature is set as 245 DEG C, and extruding dies temperature is set as 245
℃。
Then, the solid core pipe of the semi-finished product squeezed out in single screw extrusion machine is introduced into cooling device, by described half
Finished product heart core pipe is gradually cooled down to obtain the finished solid core pipe of embodiment 4-6, and carries out performance to obtained core pipe
Test.Wherein, the cooling device is 50mm at a distance from extruding dies.
Further, the cooling device is made of two series connection cooling baths.Wherein, the first cooling bath is further by 10
Cooling unit of connecting forms, and is cooled down in each cooling unit using water cooling and the cooling alternate mode of air.First is cold
But each unit temperature is successively gradually uniformly reduced to 30 DEG C by 90 DEG C in slot.Second cooling bath is made of 1 cooling unit, and is adopted
It is cooled down with water-cooling pattern, the second cooling bath temperature is 20 DEG C.After tested, gained core pipe test data is as shown in table 2 below:
2. embodiment 4-6 mandrel performance data of table
TPX material mandrel provided by the present invention has good surface hardness and dimensional stability, it is thus possible to as
Mandrel and be used in rubber molding process.
Although illustrate and describing the present invention with specific embodiment, it will be appreciated that without departing substantially from of the invention
Many other change and modification can be made in the case where spirit and scope.It is, therefore, intended that in the following claims
Including belonging to all such changes and modifications in the scope of the invention.
Claims (1)
1. a kind of rubber-moulding preparation method of solid mandrel, which is characterized in that the method comprises the following steps:
(1) raw material TPX plastics are packed into feeder, and be further introduced into extruder, passed through heating, plasticizing and extrusion obtains half
Finished solid mandrel；
Feeder temperature is 240-270 DEG C, and extruder screw temperature is 240-270 DEG C, and extruder fluxing zone temperature is 220-250
DEG C, extruder extruding zone temperature is 220-250 DEG C, and cross-head temperature is 220-250 DEG C, and extruding dies temperature is 220-
250℃；
(2) it after gradually cooling down the solid mandrel segmentation of the semi-finished product squeezed out, obtains finished rubber and forms solid mandrel；
Wherein, the tensile modulus of elasticity of the TPX plastics be 250-1800MPa, bending elastic modulus 150-1600MPa；
The TPX plastics are the mixing modeling of one or more of DX560M, DX845, MX002, MX002O, MX004, MLL411
Material；
The segmentation is gradually cooled to two sections of coolings；It is described to be cooled to one of cooling water, air cooling and spraying cooling
Or combinations thereof；
Wherein, 30-90 DEG C of temperature of first segment cooling, second segment cooling temperature are 20-30 DEG C；
Described squeeze out is carried out using extruder, and the cooling is carried out using cooling device；
The cooling device includes two series connection cooling baths, wherein the first cooling bath includes 10 cooling units being sequentially connected in series,
The cooling unit temperature is successively gradually uniformly reduced to 30 DEG C by 90 DEG C；Second cooling bath includes 1 cooling unit, described cold
But cell temperature is 20 DEG C；
The cooling device is less than 100mm at a distance from the mouth mold of the extruder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201510957667.5A CN105599271B (en) | 2015-12-17 | 2015-12-17 | A kind of rubber-moulding solid mandrel, preparation method and process units |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510957667.5A CN105599271B (en) | 2015-12-17 | 2015-12-17 | A kind of rubber-moulding solid mandrel, preparation method and process units |
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| CN105599271B true CN105599271B (en) | 2019-04-09 |
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Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1836895A (en) * | 2005-03-24 | 2006-09-27 | 三菱电线工业株式会社 | Die and using method and preparation process thereof |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102007049330A1 (en) * | 2006-10-12 | 2008-05-21 | Tokai Rubber Industries, Ltd., Komaki | Refrigerant-carrying tube |
| JP5088066B2 (en) * | 2007-09-25 | 2012-12-05 | 横浜ゴム株式会社 | Resin mandrels for hoses |
| CN201483740U (en) * | 2009-09-16 | 2010-05-26 | 郑鑫 | Rubber roller molding machine |
| WO2014168129A1 (en) * | 2013-04-09 | 2014-10-16 | 株式会社ブリヂストン | Production method for molded rubber hose |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1836895A (en) * | 2005-03-24 | 2006-09-27 | 三菱电线工业株式会社 | Die and using method and preparation process thereof |
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