CN204604834U - Double-layer composite pipe production line - Google Patents
Double-layer composite pipe production line Download PDFInfo
- Publication number
- CN204604834U CN204604834U CN201520120773.3U CN201520120773U CN204604834U CN 204604834 U CN204604834 U CN 204604834U CN 201520120773 U CN201520120773 U CN 201520120773U CN 204604834 U CN204604834 U CN 204604834U
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- CN
- China
- Prior art keywords
- cooling water
- head
- water tank
- pipe fitting
- dashpot
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
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Classifications
-
- 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
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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
- B29C48/90—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
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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
- B29C48/911—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
- B29C48/919—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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The utility model discloses a kind of double-layer composite pipe production line, comprise the first extruder, second extruder, co-extruding mould and cooling and shaping device, described co-extruding mould comprises die head seat, guiding is combed, ventilation part, first head, spreader, end cap and the second head, right side on first head offers the first dashpot of annular, 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, pressure release is carried out to cladding material, the pressure that cladding material flows out is almost nil, cladding material can slowly flow out from the first shaping channel, and pass through the adhesiveness of cladding material itself, along with the movement of internal layer pipe fitting, constantly be 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 utility model relates to a kind of double-layer composite pipe production line.
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 it has the advantage of high-strength light, can save a large amount of raw material.The comb core material of current Application comparison maturation is aluminium honeycomb and paper honeycomb, but the higher price of aluminium honeycomb intensity and weight also higher, be mainly used in aviation field; Paper honeycomb because of its mainly adopt be hot setting adhesive carry out infiltration bonding, the thickness of honeycomb core can not do too thick, intensity is also lower, is mainly used in packaging field.Use the honeycomb that thermoplastic is made, physical property has good lifting, impact resistance improves greatly, and thermoplastic itself has recyclable, waterproof, the advantage such as corrosion-resistant, the fields such as building materials, railway carriage or compartment car, automobile, decoration, kitchen tools can be widely used in, replacing all kinds of sheet material (as density board, plastic plate, cement plate, stone plate) etc., is the development priority of structural material in recent years.Cellular thermoplastic is a kind of high-strength light, durable corrosion-resistant, callable environment-friendly materials.The kind of cellular thermoplastic is more, wherein pipe splice type honeycomb is comparatively by a kind of cellular thermoplastic structure of consumer acceptance, tubular type honeycomb core be by extruder squeeze by, stretching forms pipe, and to form through carrying out the operations such as fixed length cutting, boundling, bonding, cutting to pipe.Because its thermoplastic macromolecule material is subject to stretching, orientations in extrusion direction, so longitudinal strength is very strong, thus there is better resistance to compression erosion-resisting characteristics.
Publication number is: CN102689458A, and denomination of invention is: the utility application of cellular board and preparation method thereof discloses a kind of preparation method of above-mentioned pipe splice type honeycomb, and this preparation method comprises the steps:
1) manufacture double-layer composite pipe, the internal layer of double-layer composite pipe is inner layer material, and the skin of double-layer composite pipe is cladding material, and the fusing point of cladding material is lower than the fusing point of inner layer material;
2) by many double-layer composite pipe ordered arrangement boundlings, make the skin fusing of double-layer composite pipe by heating and internal layer is non-fusible, after cooling, the skin of the adjacent double-layer composite pipe be close to is bonded thus forms honeycomb ceramics;
3) along double-layer composite pipe cross-sectional cut honeycomb ceramics thus obtain the monolith substrate of tabular;
4) some monolith substrate of split in same plane make the end face fusion of the adjacent two-layer compound inner tube layer be close to form glue knurl by carrying out hot pressing to end face and bottom surface, thus obtain cellular board.
Under existing production environment, the many employings of above-mentioned double-layer composite pipe for extrude inner layer material the first extruder, for extrude cladding material the second extruder, for moulding pipe and the co-extruding mould that bi-material is combined and for the cooling and shaping device that cools the pipe fitting extruded to complete the production of double-layer composite pipe.Wherein, in order to the demand of more reasonably cost control and product quality, require that the skin of double-layer composite pipe is more and more thinner, what solve required for the utility model is exactly how to improve existing production line, has thinner outer layer thickness double-layer composite pipe to prepare.
Utility model content
The purpose of this utility model is to provide a kind of double-layer composite pipe production line that can manufacture the double-layer composite pipe with thinner outer layer thickness.
The technical scheme in the invention for solving the above technical problem is:
A kind of double-layer composite pipe production line, comprise the first extruder for extruding inner layer material, for extruding the second extruder of cladding material, for moulding pipe and the co-extruding mould making bi-material combine and the cooling and shaping device for cooling the pipe fitting extruded, it is characterized in that: described co-extruding mould comprises die head seat, guiding is combed, ventilation part, first head, spreader, end cap and the second head, described die head seat offers and combs for installing guiding, first inner chamber of ventilation part, first head offers the second inner chamber for installing spreader, first inner chamber and the second inner chamber involutory, guiding is combed, ventilation part, spreader sets gradually from left to right, the left side of die head seat is connected to the first extruder, guiding offers the first material hole of discharging opening for being communicated with the first extruder and the first inner chamber on combing, the left end of ventilation part arranges the diversion division of taper, ventilation part offers the second material hole arranged along material extrusion direction, the first venting channels arranged along material extrusion direction and the second venting channels being communicated to the first venting channels, second venting channels is communicated to outside air-pressure equipment, spreader is fixed on ventilation part, spreader offers the 3rd venting channels arranged along material extrusion direction, the right-hand member of the first venting channels is communicated with the left end of the 3rd venting channels, the outer wall of spreader and the inwall of the second inner chamber constitute the discharging channel extruding inner layer material, described discharging channel thickness from left to right reduces gradually, end cap is fixed on the first head, end cap offers the ending cover hole for wearing spreader, described spreader penetrates ending cover hole, the outer wall of spreader and the inwall of ending cover hole constitute the first shaping channel of inner layer material final molding, shaping channel cylindrically, the thickness of the first shaping channel is 0.1mm-0.4mm, first head offers the head installing hole for installing the second head, the discharge end of the second head inserts head installing hole and is fixed in head installing hole, right side on first head offers the first dashpot of annular, 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, first dashpot, junction between second dashpot and the left side of end cap form buffer deceleration mouth, the thickness of buffer deceleration mouth is 0.2mm-0.8mm, left section of the inwall of ending cover hole is cone structure, annular second shaping channel of shaping cladding material is configured between the wall of the second dashpot and left section of the inwall of ending cover hole, the thickness of the second shaping channel is 0.02mm-0.08mm, first head offers the intercommunicating pore of connection first cushion chamber and head installing hole, thus make described head installing hole, intercommunicating pore, first cushion chamber, buffer deceleration mouth, second cushion chamber, second shaping channel and the first shaping channel are communicated with successively, thus the overall circulation passage forming cladding material.
As preferably, described cooling and shaping device comprises the first cooling water tank, the cooling water being used for cooling extruded pipe fitting is set in the first cooling water tank, first cooling water tank is communicated with the oral siphon of supplementary cooling water, the two ends of the first cooling water tank are respectively arranged with pipe fitting entrance and pipe fitting outlet, the liquid level of cooling water exceeds pipe fitting entrance and pipe fitting outlet, the double-layer composite pipe penetrated in the first cooling water tank is made all to immerse cooling water, the top of the first cooling water tank is provided with the seal cover sealing described first cooling water tank, first cooling water tank is also provided with the vacuum-pumping tube be communicated in the first cooling water tank, vacuum-pumping tube connects vacuum extractor.Because the tube wall of double-layer composite pipe is thinner, just from the double-layer composite pipe of co-extruding mould discharging because also uncolled sizing, the easy stress deformation of double-layer composite pipe.By vacuum extractor, the first cooling water tank is vacuumized, when the cooling water of double-layer composite pipe in the first cooling water tank cools, the impact of hydraulic pressure owing to discharging air pressure of cooling water, therefore hydraulic pressure can be substantially reduced, thus avoid the distortion that hydraulic pressure causes double-layer composite pipe, improve product quality.
As preferably, guiding comb is provided with multiple first material holes in cellular distribution.Because extruder is rotating discharge, pipe tractive, surface quality problems etc. can be caused, 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.
As preferably, described cooling and shaping device also comprises the second cooling water tank, the cooling water being used for cooling extruded pipe fitting is also set in the second cooling water tank, second cooling water tank is also communicated with the oral siphon of supplementary cooling water, the two ends of the second cooling water tank are also respectively arranged with pipe fitting entrance and pipe fitting outlet.Adopt, cooled further by the second cooling water tank, further increase cooling effectiveness.
The utility model compared with prior art, has the following advantages and effect:
1) by co-extruding mould, pressure release is carried out to cladding material, the pressure that cladding material flows out from the first shaping channel is almost nil, cladding material can slowly flow out from the first shaping channel, and pass through the adhesiveness of cladding material itself, along with the movement of internal layer pipe fitting, constantly be 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;
2) by vacuum extractor, the first cooling water tank is vacuumized, substantially reduce hydraulic pressure, thus avoid the distortion that hydraulic pressure causes double-layer composite pipe, improve product quality;
3) 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 the utility model embodiment double-layer composite pipe production line.
Fig. 2 is the structural representation of the utility model embodiment co-extruding mould.
Fig. 3 is the partial enlargement structural representation at the A place of the utility model embodiment co-extruding mould.
Fig. 4 is the structural representation of the utility model embodiment die head seat.
Fig. 5 is the structural representation that the utility model embodiment guiding is combed.
Fig. 6 is the structural representation on the utility model embodiment guiding comb other direction.
Fig. 7 is the structural representation of the utility model embodiment ventilation part.
Fig. 8 is the structural representation of the utility model embodiment first head.
Fig. 9 is the structural representation on the utility model embodiment first head other direction.
Detailed description of the invention
Below in conjunction with accompanying drawing, also by embodiment, the utility model is described in further detail, and following examples are that the utility model is not limited to following examples to explanation of the present utility model.
See Fig. 1-Fig. 9, the present embodiment double-layer composite pipe production line, comprise the first extruder for extruding inner layer material, for extruding the second extruder of cladding material, for moulding pipe and the co-extruding mould 1 making bi-material combine and the cooling and shaping device for cooling the pipe fitting extruded, co-extruding mould 1 comprises die head seat 11, guiding comb 12, ventilation part 13, first head 14, spreader 15, end cap 16 and the second head 17, die head seat 11 offer for installing guiding comb 12, first inner chamber 111 of ventilation part 13, in installation process, guiding comb 12, ventilation part 13 inserts the first inner chamber 111 successively to the right, ventilation part 13 is against on the block 112 of the wall protruding from the first inner chamber 111, right section of guiding comb 12 is cylinder-like structure, the right-hand member of guiding comb 12 is against on ventilation part 13, the left end of the first inner chamber 111 is fixed with locknut 18 by threaded engagement, the right-hand member of locknut 18 is against the left end of guiding comb 12, first head 14 offers the second inner chamber 141 for installing spreader 15, first inner chamber 111 and the second inner chamber 141 involutory, guiding comb 12, ventilation part 13, spreader 15 sets gradually from left to right, the left side of die head seat 11 is connected to the first extruder, guiding left section of comb 12 offers the first material hole 121 of discharging opening for being communicated with the first extruder and the first inner chamber 111, multiple first material hole 121 is in cellular distribution, the left end of ventilation part 13 arranges the diversion division 131 of taper, inner layer material is out rotation status from extruder afterwards, after clamp-oning the first material hole 121, be converted to direct current mode to export, and the right-hand member exporting guiding comb 12 to is in cylinder-like structure, diversion division 131 is positioned at the cylinder-like structure of the right-hand member of guiding comb 12, ventilation part 13 offers the second material hole 132 arranged along material extrusion direction, the first venting channels 133 arranged along material extrusion direction and the second venting channels 134 being communicated to the first venting channels 133, inner layer material leads to the second material hole 132 by diversion division 131 guiding, second venting channels 134 is communicated to outside air-pressure equipment, spreader 15 is fixed on ventilation part 13, spreader 15 offers the 3rd venting channels 151 arranged along material extrusion direction, the right-hand member of the first venting channels 133 is communicated with the left end of the 3rd venting channels 151, the gases at high pressure that air-pressure equipment is discharged are successively by the second venting channels 134, first venting channels 133 and the 3rd venting channels 151, thus in extrusion process, form the pipe fitting of hollow, the outer wall of spreader 15 and the inwall of the second inner chamber 141 constitute the discharging channel 31 extruding inner layer material, discharging channel 31 thickness from left to right reduces gradually, end cap 16 is fixed on the first head 14, end cap 16 offers the ending cover hole for wearing spreader 15, spreader 15 penetrates ending cover hole, the outer wall of spreader 15 and the inwall of ending cover hole constitute the first shaping channel 32 of inner layer material final molding, shaping channel cylindrically, the thickness of the first shaping channel 32 is 0.1mm-0.4mm, first head 14 offers the head installing hole 145 for installing the second head 17, the discharge end of the second head 17 inserts head installing hole 145 and is fixed in head installing hole 145, right side on first head 14 offers the first dashpot 142 of annular, 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 the left side of end cap 16 and the first dashpot 142, the second cushion chamber 42 is formed by the left side of end cap 16 and the second dashpot 143, first dashpot 142, junction between second dashpot 143 and the left side of 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, annular second shaping channel 44 of shaping cladding material is configured between the wall of the second dashpot 143 and left section of the inwall of ending cover hole, the thickness of the second shaping channel 44 is 0.02mm-0.08mm, first head 14 offers the intercommunicating pore 144 of connection first cushion chamber 41 and head installing hole 145, thus make head installing hole 145, intercommunicating pore 144, first cushion chamber 41, buffer deceleration mouth 43, second cushion chamber 42, second shaping channel 44 and the first shaping channel 32 are communicated with successively, thus the overall circulation passage forming cladding material.Cooling and shaping device comprises the first cooling water tank 21 and the second cooling water tank 22, in first cooling water tank 21, the cooling water being used for cooling extruded pipe fitting is set, first cooling water tank 21 is communicated with the oral siphon 211 of supplementary cooling water, the two ends of the first cooling water tank 21 are respectively arranged with pipe fitting entrance and pipe fitting outlet, the liquid level of cooling water exceeds pipe fitting entrance and pipe fitting outlet, the double-layer composite pipe penetrated in the first cooling water tank is made all to immerse cooling water, the top of the first cooling water tank 21 is provided with the seal cover 212 of sealing first cooling water tank 21, first cooling water tank 21 is also provided with the vacuum-pumping tube 213 be communicated in the first cooling water tank 21, vacuum-pumping tube 213 connects vacuum extractor.Also arrange the cooling water being used for cooling extruded pipe fitting in second cooling water tank 22, the two ends the second cooling water tank 22 being also communicated with oral siphon 211, second cooling water tank 22 of supplementary cooling water are also respectively arranged with pipe fitting entrance and pipe fitting outlet.
A kind of two-layer compound tube preparation method of the present embodiment, adopt above-mentioned double-layer composite pipe production line to carry out the preparation of double-layer composite pipe, this two-layer compound tube preparation method comprises the following steps:
1) adopt the first extruder, the second extruder clamp-ons inner layer material and cladding material respectively to co-extruding mould 1;
2) inner layer material is successively through the first material hole 121, first inner chamber 111, second material hole 132 and discharging channel 31, finally extrude as internal layer pipe fitting from the first shaping channel 32, cladding material is successively through intercommunicating pore 144, first cushion chamber 41, buffer deceleration mouth 43, second cushion chamber 42 and the second shaping channel 44, by the first cushion chamber 41, buffer deceleration mouth 43 and the second cushion chamber 42 buffering realize the pressure release of extrusion pressure, eventually pass through the first shaping channel 32 and control thickness, cladding material slowly flows out from the first shaping channel 32, and pass through the adhesiveness of cladding material itself, along with the movement of internal layer pipe fitting, constantly be coated on internal layer pipe fitting, thus formation double-layer composite pipe,
3) double-layer composite pipe is cooled by cooling device.
A kind of double-layer composite pipe of the present embodiment, adopts above-mentioned two-layer compound tube preparation method gained.
The preparation method of a kind of pipe splice type of the present embodiment honeycomb, this preparation method comprises the steps:
1) adopt 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, and the skin of double-layer composite pipe is cladding material, and the fusing point of cladding material is lower than the fusing point of inner layer material;
2) by many double-layer composite pipe ordered arrangement boundlings, make the skin fusing of double-layer composite pipe by heating and internal layer is non-fusible, after cooling, the skin of the adjacent double-layer composite pipe be close to is bonded thus forms honeycomb ceramics;
3) along double-layer composite pipe cross-sectional cut honeycomb ceramics thus obtain the monolith substrate of tabular;
4) some monolith substrate of split in same plane make the end face fusion of the adjacent two-layer compound inner tube layer be close to form glue knurl by carrying out hot pressing to end face and bottom surface, thus obtain cellular board.
A kind of pipe splice type of the present embodiment honeycomb, adopts preparation method's gained of above-mentioned pipe splice type honeycomb.
Above content described in this description is only to the explanation of the utility model example.The utility model person of ordinary skill in the field can make various amendment or supplements or adopt similar mode to substitute to described specific embodiment; only otherwise depart from the content of the utility model description or surmount this scope as defined in the claims, protection domain of the present utility model all should be belonged to.
Claims (4)
1. a double-layer composite pipe production line, comprise the first extruder for extruding inner layer material, for extruding the second extruder of cladding material, for moulding pipe and the co-extruding mould making bi-material combine (1) and the cooling and shaping device for cooling the pipe fitting extruded, it is characterized in that: described co-extruding mould (1) comprises die head seat (11), guiding combs (12), ventilation part (13), first head (14), spreader (15), end cap (16) and the second head (17), described die head seat (11) offers and combs (12) for installing guiding, first inner chamber (111) of ventilation part (13), first head (14) offers the second inner chamber (141) for installing spreader (15), first inner chamber (111) and the second inner chamber (141) involutory, guiding combs (12), ventilation part (13), spreader (15) sets gradually from left to right, the left side of die head seat (11) is connected to the first extruder, guiding is combed and (12) is offered first material hole (121) of discharging opening for being communicated with the first extruder and the first inner chamber (111), the left end of ventilation part (13) arranges the diversion division (131) of taper, ventilation part (13) offers the second material hole (132) arranged along material extrusion direction, the first venting channels (133) arranged along material extrusion direction and be communicated to second venting channels (134) of the first venting channels (133), second venting channels (134) is communicated to outside air-pressure equipment, spreader (15) is fixed on ventilation part (13), spreader (15) offers the 3rd venting channels (151) arranged along material extrusion direction, the right-hand member of the first venting channels (133) is communicated with the left end of the 3rd venting channels (151), the outer wall of spreader (15) and the inwall of the second inner chamber (141) constitute the discharging channel (31) extruding inner layer material, described discharging channel (31) thickness from left to right reduces gradually, end cap (16) is fixed on the first head (14), end cap (16) offers the ending cover hole for wearing spreader (15), described spreader (15) penetrates ending cover hole, the outer wall of spreader (15) and the inwall of ending cover hole constitute first shaping channel (32) of inner layer material final molding, shaping channel cylindrically, the thickness of the first shaping channel (32) is 0.1mm-0.4mm, first head (14) offers the head installing hole (145) for installing the second head (17), the discharge end of the second head (17) inserts head installing hole (145) and is fixed in head installing hole (145), right side on first head (14) offers first dashpot (142) of annular, 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 the left side of end cap (16) and the first dashpot (142), the second cushion chamber (42) is formed by the left side of end cap (16) and the second dashpot (143), first dashpot (142), the left side of the junction between the second dashpot (143) and end cap (16) forms 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, annular second shaping channel (44) of shaping cladding material is configured between the wall of the second dashpot (143) and left section of the inwall of ending cover hole, the thickness of the second shaping channel (44) is 0.02mm-0.08mm, first head (14) offers the intercommunicating pore (144) of connection first cushion chamber (41) and head installing hole (145), thus make described head installing hole (145), intercommunicating pore (144), first cushion chamber (41), buffer deceleration mouth (43), second cushion chamber (42), second shaping channel (44) and the first shaping channel (32) are communicated with successively, thus the overall circulation passage forming cladding material.
2. double-layer composite pipe production line according to claim 1, it is characterized in that: described cooling and shaping device comprises the first cooling water tank (21), the cooling water being used for cooling extruded pipe fitting is set in the first cooling water tank (21), first cooling water tank (21) is communicated with the oral siphon (211) of supplementary cooling water, the two ends of the first cooling water tank (21) are respectively arranged with pipe fitting entrance and pipe fitting outlet, the liquid level of cooling water exceeds pipe fitting entrance and pipe fitting outlet, the double-layer composite pipe penetrated in the first cooling water tank is made all to immerse cooling water, the top of the first cooling water tank (21) is provided with the seal cover (212) sealing described first cooling water tank (21), first cooling water tank (21) is also provided with the vacuum-pumping tube (213) be communicated in the first cooling water tank (21), vacuum-pumping tube (213) connects vacuum extractor.
3. double-layer composite pipe production line according to claim 1, is characterized in that: guiding comb (12) is provided with multiple first material holes (121) in cellular distribution.
4. double-layer composite pipe production line according to claim 2, it is characterized in that: described cooling and shaping device also comprises the second cooling water tank (22), the cooling water being used for cooling extruded pipe fitting is also set in the second cooling water tank (22), second cooling water tank (22) is also communicated with the oral siphon (211) of supplementary cooling water, the two ends of the second cooling water tank (22) are also respectively arranged with pipe fitting entrance and pipe fitting outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520120773.3U CN204604834U (en) | 2015-03-02 | 2015-03-02 | Double-layer composite pipe production line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520120773.3U CN204604834U (en) | 2015-03-02 | 2015-03-02 | Double-layer composite pipe production line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204604834U true CN204604834U (en) | 2015-09-02 |
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ID=53957415
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520120773.3U Withdrawn - After Issue CN204604834U (en) | 2015-03-02 | 2015-03-02 | Double-layer composite pipe production line |
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| Country | Link |
|---|---|
| CN (1) | CN204604834U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104690940A (en) * | 2015-03-02 | 2015-06-10 | 杭州华聚复合材料有限公司 | Dual-layer composite tube and production line and preparation method thereof as well as round tube assembled honeycomb plate and preparation method thereof |
| WO2017128590A1 (en) * | 2016-01-29 | 2017-08-03 | 姜维雁 | Production system and production method for sealed thermal insulation pipe |
-
2015
- 2015-03-02 CN CN201520120773.3U patent/CN204604834U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104690940A (en) * | 2015-03-02 | 2015-06-10 | 杭州华聚复合材料有限公司 | Dual-layer composite tube and production line and preparation method thereof as well as round tube assembled honeycomb plate and preparation method thereof |
| WO2017128590A1 (en) * | 2016-01-29 | 2017-08-03 | 姜维雁 | Production system and production method for sealed thermal insulation pipe |
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