CN104669582B - Double-layer composite pipe and co-extruding mould, preparation method and pipe splice type cellular board and preparation method thereof - Google Patents
Double-layer composite pipe and co-extruding mould, preparation method and pipe splice type cellular board and preparation method thereof Download PDFInfo
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- CN104669582B CN104669582B CN201510092743.0A CN201510092743A CN104669582B CN 104669582 B CN104669582 B CN 104669582B CN 201510092743 A CN201510092743 A CN 201510092743A CN 104669582 B CN104669582 B CN 104669582B
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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
- B29C48/30—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
- B29C48/03—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
- B29C48/09—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
- B29C48/11—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels comprising two or more partially or fully enclosed cavities, e.g. honeycomb-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
- B29C48/03—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
- B29C48/07—Flat, e.g. panels
-
- 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
- B29C48/09—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
-
- 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
- B29C48/16—Articles comprising two or more components, e.g. co-extruded layers
- B29C48/18—Articles comprising two or more components, e.g. co-extruded layers the components being layers
-
- 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
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/49—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using two or more extruders to feed one die or nozzle
-
- 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
- B29C48/90—Thermal treatment of the stream of extruded material, e.g. cooling with calibration or sizing, i.e. combined with fixing or setting of the final dimensions of the extruded article
- B29C48/908—Thermal treatment of the stream of extruded material, e.g. cooling with calibration or sizing, i.e. combined with fixing or setting of the final dimensions of the extruded article characterised by calibrator surface, e.g. structure or holes for lubrication, cooling or venting
-
- 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
- B29C48/9115—Cooling of hollow articles
- B29C48/912—Cooling of hollow articles of tubular films
- B29C48/913—Cooling of hollow articles of tubular films externally
-
- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The invention discloses a kind of double-layer composite pipe and co-extruding mould thereof, preparation method and pipe splice type cellular board and preparation method thereof, wherein, described co-extruding mould includes die head seat, guide and comb, ventilation part, first head, spreader, end cap and the second head, the first dashpot of annular is offered on right side on first head, second dashpot of annular, the left side of end cap is attached on the right side on the first head, thus form the first cushion chamber by the left side of end cap and the first dashpot, the second cushion chamber is formed by the left side of end cap and the second dashpot.By co-extruding mould, cladding material is carried out pressure release, the pressure that cladding material flows out is almost nil, cladding material can slowly flow out from the first shaping channel, and by the adhesiveness of cladding material itself, movement along with internal layer pipe fitting, constantly it is coated on internal layer pipe fitting, the cladding material layer of the thickness of 0.01 to 0.03mm can be formed on internal layer pipe fitting.
Description
Technical field
The present invention relates to a kind of double-layer composite pipe and co-extruding mould, preparation method and pipe splice type honeycomb
Plate and preparation method thereof.
Background technology
In the modern times that resource and the energy are more and more nervous, cellular material is a kind of advantageous material, because of it
The advantage with high-strength light, can save substantial amounts of raw material.The comb core material that Application comparison is ripe at present
It is aluminum honeycomb and paper honeycomb, but the higher price of aluminum honeycomb intensity and weight are the highest, be mainly used in aviation neck
Territory；Paper honeycomb mainly uses hot setting adhesive and carries out infiltration bonding because of it, and the thickness of honeycomb core can not
Be made the thickest, intensity is relatively low, is mainly used in packaging field.Use the honeycomb that thermoplastic is made,
Having well lifting in physical property, impact resistance is greatly improved, and thermoplastic itself has
The advantage such as recyclable, waterproof, corrosion-resistant, it is possible to be widely used in building materials, railway carriage or compartment car, automobile, decoration, kitchen
The fields such as tool, replace all kinds of sheet material (such as density board, plastic plate, cement plate, stone plate) etc., are
The development priority of structural material in recent years.Cellular thermoplastic be a kind of high-strength light, durable corrosion-resistant, can return
The environment-friendly materials received.The kind of cellular thermoplastic is more, and wherein pipe splice type cellular board is more to be consumed
Person accreditation a kind of cellular thermoplastic structure, tubular type honeycomb core be by extruder squeeze by, stretching is formed justify
Pipe, and through pipe being carried out the operation compositions such as fixed length cutting, boundling, bonding, cutting.Due to its thermoplastic
Property macromolecular material be stretched in extrusion direction, orientations, so longitudinal strength is very strong, thus tool
There is more preferably resistance to compression erosion-resisting characteristics.
Publication No.: CN102689458A, invention entitled: pipe splice type cellular board and preparation method thereof
Application for a patent for invention disclose the preparation method of a kind of above-mentioned pipe splice type cellular board, this preparation method bag
Include following steps:
1) manufacturing double-layer composite pipe, the internal layer of double-layer composite pipe is inner layer material, and the outer layer of double-layer composite pipe is
Cladding material, the fusing point of cladding material is less than the fusing point of inner layer material；
2) by many double-layer composite pipe ordered arrangement boundlings, by heating make double-layer composite pipe outer layer melt and
Internal layer is non-fusible, and after cooling, the outer layer of the adjacent double-layer composite pipe being close to is bonded thus forms honeycomb ceramics；
3) along the cross-sectional cut honeycomb ceramics of double-layer composite pipe thus obtain the monolith substrate of tabular；
4) in same plane some monolith substrate of split by end face and bottom surface are carried out hot pressing make adjacent tightly
The end face fusion of the two-layer compound inner tube layer of patch forms glue tumor, thus obtains pipe splice type cellular board.
Under existing production environment, the many employings of above-mentioned double-layer composite pipe are for extruding the first extrusion of inner layer material
Machine, for extruding the second extruder of cladding material, for moulding pipe and make what bi-material combined to be total to
Extruding mold and for the cooling and shaping device that cools down of pipe fitting of extrusion to complete the life of double-layer composite pipe
Produce.Wherein, for more rational cost control and the demand of product quality, it is desirable to double-layer composite pipe
Outer layer is more and more thinner, being how existing co-extruding mould and preparation method of the required solution of the present invention
Improve, with preparation, there is thinner outer layer thickness double-layer composite pipe.
Summary of the invention
It is an object of the invention to provide a kind of double-layer composite pipe with thinner outer layer thickness and coextruding die thereof
Tool, preparation method, and pipe splice type cellular board and the pipe splice type using above-mentioned double-layer composite pipe is provided
The preparation method of cellular board.
The present invention solves the problems referred to above and be the technical scheme is that
A kind of co-extruding mould produced for double-layer composite pipe, it is characterised in that: described co-extruding mould includes mould
Headstock, guiding comb, ventilation part, the first head, spreader, end cap and the second head, described die head seat
On offer for install guiding comb, the first inner chamber of ventilation part, the first head offers for install point
Second inner chamber of flow cone, the first inner chamber and the second inner chamber are involutory, guide comb, ventilation part, spreader from a left side to
The right side sets gradually, and the left side of die head seat is connected to the first extruder, guides and offers for connection first on combing
The discharging opening of extruder and the first material hole of the first inner chamber, the left end of ventilation part arranges the diversion division of taper,
Offer the second material hole along the setting of material extrusion direction on ventilation part, lead to along the first of material extrusion direction setting
Gas passage and the second venting channels being communicated to the first venting channels, the second venting channels is communicated to outside pneumatics
Equipment, spreader is fixed on ventilation part, and spreader offers the 3rd ventilation arranged along material extrusion direction
Passage, the right-hand member of the first venting channels and the left end connection of the 3rd venting channels, the outer wall of spreader and second
The inwall of inner chamber constitute extruding inner layer material discharging channel, described discharging channel thickness from left to right by
The least, end cap is fixed on the first head, and end cap offers the ending cover hole for wearing spreader, institute
Stating spreader and penetrate ending cover hole, the outer wall of spreader and the inwall of ending cover hole constitute inner layer material final molding
The first shaping channel, cylindrically, the thickness of the first shaping channel is 0.1mm-0.4mm to shaping channel,
Offering the head installing hole for installing the second head on one head, the discharge end of the second head inserts head
Installing hole is also fixed in head installing hole, and the right side on the first head offers the first buffering of annular
Groove, the second dashpot of annular, the left side of end cap is attached on the right side on the first head, thus passes through
The left side of end cap and the first dashpot form the first cushion chamber, by the left side of end cap and the second dashpot
Forming the second cushion chamber, the junction between the first dashpot, the second dashpot is formed with the left side of end cap
Buffer deceleration mouth, the thickness of buffer deceleration mouth is 0.2mm-0.8mm, and left section of the inwall of ending cover hole is tied for the conical surface
Structure, constitutes the ring for molding cladding material between the wall of the second dashpot and left section of the inwall of ending cover hole
Shape the second shaping channel, the thickness of the second shaping channel is 0.02mm-0.08mm, the company of offering on the first head
Logical first cushion chamber and the intercommunicating pore of head installing hole so that described head installing hole, intercommunicating pore, the
One cushion chamber, buffer deceleration mouth, the second cushion chamber, the second shaping channel, the first shaping channel are sequentially communicated,
Thus it is monolithically fabricated the circulation passage of cladding material.
As preferably, guide and be provided with multiple first material holes in cellular distribution on combing.Because extruder
For rotating discharge, pipe tractive, surface quality problems etc. can be caused, be led to by first in cellular distribution
Material hole, increases the mode making the mode of inner layer material rotating discharge be converted into direct current discharging, thus ensure that bilayer
The surface quality of multiple tube.
A kind of two-layer compound tube preparation method, uses the above-mentioned co-extruding mould for double-layer composite pipe production to enter
The preparation of row double-layer composite pipe, this two-layer compound tube preparation method comprises the following steps:
1) the first extruder, the second extruder is used to clamp-on inner layer material and cladding material respectively to co-extruding mould；
2) inner layer material sequentially passes through the first material hole, the first inner chamber, the second material hole, discharging channel,
Be extruded as internal layer pipe fitting from the first shaping channel eventually, cladding material sequentially pass through intercommunicating pore, the first cushion chamber,
Buffer deceleration mouth, the second cushion chamber and the second shaping channel, by the first cushion chamber, buffer deceleration mouth with
And second cushion chamber buffering realize the pressure release of extrusion pressure, eventually pass through the first shaping channel and control thickness, outward
Layer material slowly flows out from the first shaping channel, and by the adhesiveness of cladding material itself, along with inner tube
The movement of part, is constantly coated on internal layer pipe fitting, thus forms double-layer composite pipe.
A kind of double-layer composite pipe, uses above-mentioned two-layer compound tube preparation method gained.
The preparation method of a kind of pipe splice type cellular board, this preparation method comprises the steps:
1) using above-mentioned two-layer compound tube preparation method to manufacture double-layer composite pipe, the internal layer of double-layer composite pipe is
Inner layer material, the outer layer of double-layer composite pipe is cladding material, the fusing point of cladding material melting less than inner layer material
Point；
2) by many double-layer composite pipe ordered arrangement boundlings, by heating make double-layer composite pipe outer layer melt and
Internal layer is non-fusible, and after cooling, the outer layer of the adjacent double-layer composite pipe being close to is bonded thus forms honeycomb ceramics；
3) along the cross-sectional cut honeycomb ceramics of double-layer composite pipe thus obtain the monolith substrate of tabular；
4) in same plane some monolith substrate of split by end face and bottom surface are carried out hot pressing make adjacent tightly
The end face fusion of the two-layer compound inner tube layer of patch forms glue tumor, thus obtains pipe splice type cellular board.
A kind of pipe splice type cellular board, uses the preparation method gained of above-mentioned pipe splice type cellular board.
The present invention compared with prior art, has the following advantages and effect:
1) by co-extruding mould, cladding material is carried out pressure release, the pressure that cladding material flows out from the first shaping channel
Power is almost nil, and cladding material can slowly flow out from the first shaping channel, and by cladding material itself
Adhesiveness, along with the movement of internal layer pipe fitting, is constantly coated on internal layer pipe fitting, can on internal layer pipe fitting shape
Become the cladding material layer of the thickness of 0.01 to 0.03mm；
2) by the first material hole in cellular distribution, increase and make the mode of inner layer material rotating discharge be converted into
The mode of direct current discharging, thus ensure that the surface quality of double-layer composite pipe.
Accompanying drawing explanation
Fig. 1 is the structural representation of embodiment of the present invention double-layer composite pipe production line.
Fig. 2 is the structural representation of embodiment of the present invention co-extruding mould.
Fig. 3 is the partial enlargement structural representation at the A of embodiment of the present invention co-extruding mould.
Fig. 4 is the structural representation of embodiment of the present invention die head seat.
Fig. 5 is that the embodiment of the present invention guides the structural representation combed.
Fig. 6 is the structural representation that the embodiment of the present invention guides on comb other direction.
Fig. 7 is the structural representation of embodiment of the present invention ventilation part.
Fig. 8 is the structural representation of the embodiment of the present invention the first head.
Fig. 9 is the structural representation on the embodiment of the present invention the first head other direction.
Detailed description of the invention
Seeing Fig. 1-Fig. 9, the present embodiment double-layer composite pipe production line, including for extruding the of inner layer material
One extruder, for extruding the second extruder of cladding material, for moulding pipe and make bi-material tie
The co-extruding mould 1 that closes and for the cooling and shaping device that cools down of pipe fitting to extrusion, co-extruding mould 1 wraps
Include die head seat 11, guide comb 12, ventilation part the 13, first head 14, spreader 15, end cap 16 and the
Two heads 17, die head seat 11 offer for installing guiding comb 12, the first inner chamber 111 of ventilation part 13,
In installation process, guide comb 12, ventilation part 13 inserts the most to the right the first inner chamber 111, and ventilation part 13 supports
On the block of wall protruding from the first inner chamber 111, right section that guides comb 12 is cylinder-like structure, guides
The right-hand member of comb 12 is against on ventilation part 13, and the left end of the first inner chamber 111 is fixed with locknut by threaded engagement
18, the right-hand member of locknut 18 is against the left end guiding comb 12, and the first head 14 offers for installing shunting
Second inner chamber 141 of cone 15, the first inner chamber 111 and the second inner chamber 141 are involutory, guide comb 12, ventilation part
13, spreader 15 sets gradually from left to right, and the left side of die head seat 11 is connected to the first extruder, guides
The first logical material of the discharging opening for connecting the first extruder and the first inner chamber 111 is offered on left section of comb 12
Hole 121, multiple first material holes 121 are in cellular distribution, and the left end of ventilation part 13 arranges the water conservancy diversion of taper
Portion 131, inner layer material, is converted to after clamp-oning the first material hole 121 the most afterwards in rotation status from extruder
In direct current mode exports, and the right-hand member exporting extremely guiding comb 12 is cylinder-like structure, diversion division 131 is positioned at leads
In the cylinder-like structure of the right-hand member of comb 12, ventilation part 13 offers second arranged along material extrusion direction
Material hole 132, along material extrusion direction arrange the first venting channels 133 and be communicated to the first venting channels 133
The second venting channels 134, inner layer material is guided by diversion division 131 and leads to the second material hole 132, second
Venting channels 134 is communicated to outside air-pressure equipment, and spreader 15 is fixed on ventilation part 13, spreader 15
On offer the 3rd venting channels 151 arranged along material extrusion direction, the right-hand member of the first venting channels 133 and the
The left end connection of three venting channels 151, the gases at high pressure that air-pressure equipment is discharged pass sequentially through the second venting channels
134, the first venting channels the 133, the 3rd venting channels 151, thus in extrusion process, form the pipe of hollow
Part, the outer wall of spreader 15 and the inwall of the second inner chamber 141 constitute the discharging channel 31 of extruding inner layer material,
Discharging channel 31 thickness from left to right is gradually reduced, and end cap 16 is fixed on the first head 14, end cap 16
On offer the ending cover hole for wearing spreader 15, spreader 15 penetrates ending cover hole, outside spreader 15
The inwall of wall and ending cover hole constitutes the first shaping channel 32 of inner layer material final molding, and shaping channel is circle
Tubular, the thickness of the first shaping channel 32 is 0.1mm-0.4mm, and the first head 14 offers for installing
The head installing hole 145 of the second head 17, the discharge end of the second head 17 inserts head installing hole 145 and consolidates
It is scheduled in head installing hole 145, the right side on the first head 14 offers the first dashpot of annular
142, the second dashpot 143 of annular, the left side of end cap 16 is attached on the right side on the first head 14,
Thus form the first cushion chamber 41, by end cap 16 by the left side of end cap 16 and the first dashpot 142
Left side and the second dashpot 143 form the second cushion chamber 42, first dashpot the 142, second dashpot
Junction between 143 forms buffer deceleration mouth 43, the thickness of buffer deceleration mouth 43 with the left side of end cap 16
Degree is for 0.2mm-0.8mm, and left section of the inwall of ending cover hole be cone structure, the wall of the second dashpot 143 and
Constitute for annular second shaping channel 44 of molding cladding material between left section of the inwall of ending cover hole, second
The thickness of shaping channel 44 is 0.02mm-0.08mm, and the first head 14 offers connection the first cushion chamber
41 and the intercommunicating pore 144 of head installing hole 145 so that head installing hole 145, intercommunicating pore 144,
One cushion chamber 41, the 43, second cushion chamber the 42, second shaping channel the 44, first molding of buffer deceleration mouth are led to
Road 32 is sequentially communicated, thus is monolithically fabricated the circulation passage of cladding material.Cooling and shaping device includes that first is cold
But water tank 21 and the second cooling water tank 22, be provided for the cold of cooling extruded pipe fitting in the first cooling water tank 21
But water, the first cooling water tank 21 is communicated with the oral siphon 211 supplementing cooling water, the first cooling water tank 21
Two ends be respectively arranged with pipe fitting entrance and pipe fitting outlet, the liquid level of cooling water exceeds pipe fitting entrance and pipe fitting goes out
Mouthful so that penetrate the double-layer composite pipe in the first cooling water tank and immerse cooling water, the top of the first cooling water tank 21
Portion is provided with the sealing lid 212 sealing the first cooling water tank 21, and the first cooling water tank 21 is additionally provided with connection
Vacuum-pumping tube 213 to the first cooling water tank 21, vacuum-pumping tube 213 connects vacuum extractor.Second is cold
But it is also provided with the cooling water for cooling extruded pipe fitting in water tank 22, the second cooling water tank 22 is also communicated with
Supplementing the oral siphon 211 of cooling water, the two ends of the second cooling water tank 22 are also respectively arranged with pipe fitting entrance and pipe
Part exports.
The present embodiment one two-layer compound tube preparation method, uses above-mentioned double-layer composite pipe production line to carry out double
The preparation of layer multiple tube, this two-layer compound tube preparation method comprises the following steps:
1) the first extruder, the second extruder is used to clamp-on inner layer material and outer layer material respectively to co-extruding mould 1
Material；
2) inner layer material sequentially passes through first material hole the 121, first inner chamber the 111, second material hole 132 and row
Material passage 31, is finally extruded as internal layer pipe fitting from the first shaping channel 32, and cladding material sequentially passes through intercommunicating pore
144, the first cushion chamber 41, buffer deceleration mouth the 43, second cushion chamber 42 and the second shaping channel 44, pass through
First cushion chamber 41, buffer deceleration mouth 43 and the second cushion chamber 42 buffering realize the pressure release of extrusion pressure,
Controlling thickness through the first shaping channel 32 eventually, cladding material slowly flows out from the first shaping channel 32, and
By the adhesiveness of cladding material itself, along with the movement of internal layer pipe fitting, constantly it is coated on internal layer pipe fitting,
Thus form double-layer composite pipe；
3) double-layer composite pipe is cooled down by chiller.
The present embodiment one double-layer composite pipe, uses above-mentioned two-layer compound tube preparation method gained.
The preparation method of the present embodiment a kind of pipe splice type cellular board, this preparation method comprises the steps:
1) using above-mentioned two-layer compound tube preparation method to manufacture double-layer composite pipe, the internal layer of double-layer composite pipe is
Inner layer material, the outer layer of double-layer composite pipe is cladding material, the fusing point of cladding material melting less than inner layer material
Point；
2) by many double-layer composite pipe ordered arrangement boundlings, by heating make double-layer composite pipe outer layer melt and
Internal layer is non-fusible, and after cooling, the outer layer of the adjacent double-layer composite pipe being close to is bonded thus forms honeycomb ceramics；
3) along the cross-sectional cut honeycomb ceramics of double-layer composite pipe thus obtain the monolith substrate of tabular；
4) in same plane some monolith substrate of split by end face and bottom surface are carried out hot pressing make adjacent tightly
The end face fusion of the two-layer compound inner tube layer of patch forms glue tumor, thus obtains pipe splice type cellular board.
The present embodiment one pipe splice type cellular board, uses the preparation side of above-mentioned pipe splice type cellular board
Method gained.
The preparation method of the present embodiment a kind of pipe splice type cellular board, this preparation method comprises the steps:
1) using above-mentioned two-layer compound tube preparation method to manufacture double-layer composite pipe, the internal layer of double-layer composite pipe is
Inner layer material, the outer layer of double-layer composite pipe is cladding material, the fusing point of cladding material melting less than inner layer material
Point；
2) by many double-layer composite pipe ordered arrangement boundlings, by heating make double-layer composite pipe outer layer melt and
Internal layer is non-fusible, and after cooling, the outer layer of the adjacent double-layer composite pipe being close to is bonded thus forms honeycomb ceramics；
3) along the cross-sectional cut honeycomb ceramics of double-layer composite pipe thus obtain the monolith substrate of tabular；
4) in same plane some monolith substrate of split by end face and bottom surface are carried out hot pressing make adjacent tightly
The end face fusion of the two-layer compound inner tube layer of patch forms glue tumor, thus obtains pipe splice type cellular board.
The present embodiment one pipe splice type cellular board, uses the preparation side of above-mentioned pipe splice type cellular board
Method gained.
Above content described in this specification is only illustration made for the present invention.Institute of the present invention
Belong to those skilled in the art described specific embodiment can be made various amendment or supplement or
Similar mode is used to substitute, without departing from the content of description of the invention or surmount the claims
Defined scope, all should belong to protection scope of the present invention.
Claims (6)
1. one kind for double-layer composite pipe produce co-extruding mould, it is characterised in that: co-extruding mould (1) include die head seat (11),
Guide comb (12), ventilation part (13), the first head (14), spreader (15), end cap (16) and the second head (17),
Offer for installing guiding comb (12), first inner chamber (111) of ventilation part (13) on described die head seat (11), first
The second inner chamber (141) for installing spreader (15) is offered, in the first inner chamber (111) and second on head (14)
Chamber (141) is involutory, and guiding comb (12), ventilation part (13), spreader (15) set gradually from left to right, die head seat (11)
Left side be connected to the first extruder, guide and offer in the discharging opening for connecting the first extruder and first on comb (12)
First material hole (121) in chamber (111), the left end of ventilation part (13) arranges the diversion division (131) of taper, ventilation part (13)
On offer along material extrusion direction arrange the second material hole (132), along material extrusion direction arrange the first venting channels (133)
Be communicated to second venting channels (134) of the first venting channels (133), the second venting channels (134) is communicated to outside
Air-pressure equipment, spreader (15) is fixed on ventilation part (13), spreader (15) offers and sets along material extrusion direction
The 3rd venting channels (151) put, the right-hand member of the first venting channels (133) and the left end of the 3rd venting channels (151) are even
Logical, the outer wall of spreader (15) and the inwall of the second inner chamber (141) constitute the discharging channel (31) of extruding inner layer material,
Described discharging channel (31) thickness from left to right is gradually reduced, and end cap (16) is fixed on the first head (14), end
Offering the ending cover hole for wearing spreader (15) on lid (16), described spreader (15) penetrates ending cover hole, shunting
The outer wall of cone (15) constitutes first shaping channel (32) of inner layer material final molding, shaping channel with the inwall of ending cover hole
Cylindrically, the thickness of the first shaping channel (32) is 0.1mm-0.4mm, and the first head offers for installing on (14)
The head installing hole (145) of the second head (17), the discharge end of the second head (17) insert head installing hole (145) and
In being fixed on head installing hole (145), the right side on the first head (14) offers annular the first dashpot (142),
Second dashpot (143) of annular, the left side of end cap (16) is attached on the right side on the first head (14), thus
The first cushion chamber (41) is formed, by end cap (16) by the left side of end cap (16) and the first dashpot (142)
Left side and the second dashpot (143) form the second cushion chamber (42), the first dashpot (142), the second dashpot (143)
Between the left side of junction and end cap (16) form buffer deceleration mouth (43), the thickness of buffer deceleration mouth (43) is
0.2mm-0.8mm, left section of the inwall of ending cover hole is cone structure, and the wall of the second dashpot (143) is interior with ending cover hole
The annular the second shaping channel (44) for molding cladding material, the thickness of the second shaping channel (44) is constituted between left section of wall
Degree is 0.02mm-0.08mm, and the first head (14) offers connection the first cushion chamber (41) and head installing hole (145)
Intercommunicating pore (144) so that described head installing hole (145), intercommunicating pore (144), the first cushion chamber (41), slow
Eat up part of speed mouth (43), the second cushion chamber (42), the second shaping channel (44) and the first shaping channel (32) to be sequentially communicated,
Thus it is monolithically fabricated the circulation passage of cladding material.
The co-extruding mould produced for double-layer composite pipe the most according to claim 1, it is characterised in that: guide and comb (12)
On be provided with multiple first material holes (121) in cellular distribution.
3. a two-layer compound tube preparation method, uses the co-extruding mould as according to any one of claim 1 to 2 to carry out double
The preparation of layer multiple tube, this two-layer compound tube preparation method comprises the following steps:
1) the first extruder, the second extruder is used to clamp-on inner layer material and cladding material respectively to co-extruding mould (1)；
2) inner layer material sequentially passes through the first material hole (121), the first inner chamber (111), the second material hole (132) and row
Material passage (31), be finally extruded as internal layer pipe fitting from the first shaping channel (32), cladding material sequentially pass through intercommunicating pore (144),
First cushion chamber (41), buffer deceleration mouth (43), the second cushion chamber (42) and the second shaping channel (44), by first
Cushion chamber (41), buffer deceleration mouth (43) and the second cushion chamber (42) buffering realize the pressure release of extrusion pressure, cladding material
Flowing out from the first shaping channel (32), along with the movement of internal layer pipe fitting, cladding material is constantly coated on internal layer pipe fitting, from
And form double-layer composite pipe.
4. a double-layer composite pipe, uses the two-layer compound tube preparation method gained described in claim 3.
5. a preparation method for pipe splice type cellular board, this preparation method comprises the steps:
1) using the two-layer compound tube preparation method described in claim 3 to manufacture double-layer composite pipe, the internal layer of double-layer composite pipe is
Inner layer material, the outer layer of double-layer composite pipe is cladding material, and the fusing point of cladding material is less than the fusing point of inner layer material；
2) by many double-layer composite pipe ordered arrangement boundlings, by heating make double-layer composite pipe outer layer melt and internal layer is non-fusible,
After cooling, the outer layer of the adjacent double-layer composite pipe being close to is bonded thus forms honeycomb ceramics；
3) along the cross-sectional cut honeycomb ceramics of double-layer composite pipe thus obtain the monolith substrate of tabular；
4) in same plane, some monolith substrate of split make the adjacent bilayer being close to multiple by end face and bottom surface carry out hot pressing
The end face fusion closing inner tube layer forms glue tumor, thus obtains pipe splice type cellular board.
6. a pipe splice type cellular board, the preparation method gained of employing pipe splice type cellular board described in claim 5.
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| CN201510092743.0A CN104669582B (en) | 2015-03-02 | 2015-03-02 | Double-layer composite pipe and co-extruding mould, preparation method and pipe splice type cellular board and preparation method thereof |
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| CN201510092743.0A CN104669582B (en) | 2015-03-02 | 2015-03-02 | Double-layer composite pipe and co-extruding mould, preparation method and pipe splice type cellular board and preparation method thereof |
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| CN106003655A (en) * | 2016-06-17 | 2016-10-12 | 刘永浪 | Composite hose mold and manufacturing method of composite hose |
| CN108237672B (en) * | 2018-01-16 | 2020-04-07 | 深圳市安特迈科技有限公司 | Extruder die head and extruder |
| CN110126297A (en) * | 2019-05-21 | 2019-08-16 | 佛山市顺德区源清净化材料有限公司 | A kind of tubulose honeycomb inclined-tube forming method |
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| US6793474B2 (en) * | 2001-02-09 | 2004-09-21 | American Maplan Corporation | Method and system for dual co-extrusion |
| CA2781168C (en) * | 2001-09-10 | 2014-01-28 | Prysmian Cavi E Sistemi Energia S.R.L. | Extrusion method and apparatus for producing a cable |
| CN201471709U (en) * | 2009-07-15 | 2010-05-19 | 陈金宏 | Inner-layer basket type outer-layer divided-flow die of plastic composite tube |
| CN201530115U (en) * | 2009-09-24 | 2010-07-21 | 苏州金纬机械制造有限公司 | Double-layer composite die of pipe production line |
| CN102328464A (en) * | 2011-08-29 | 2012-01-25 | 姚喜智 | Honeycomb core plate of composite plate and manufacturing process thereof |
| EP2783829B1 (en) * | 2013-03-29 | 2016-10-19 | Inergy Automotive Systems Research (Société Anonyme) | Process for manufacturing a hollow body |
| CN204604854U (en) * | 2015-03-02 | 2015-09-02 | 杭州华聚复合材料有限公司 | For the co-extruding mould that double-layer composite pipe is produced |
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