CN209534210U - Polyolefin based polyurethane composite insulating pipe one step processing equipment - Google Patents
Polyolefin based polyurethane composite insulating pipe one step processing equipment Download PDFInfo
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- CN209534210U CN209534210U CN201920027435.3U CN201920027435U CN209534210U CN 209534210 U CN209534210 U CN 209534210U CN 201920027435 U CN201920027435 U CN 201920027435U CN 209534210 U CN209534210 U CN 209534210U
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- dragger
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- composite insulating
- inner tube
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Abstract
The utility model discloses Polyolefin based polyurethane composite insulating pipe one step processing equipment, including polyolefin inner tube extruder, vacuum sizing box, shower cooling box, blast drier, the first dragger, plasma processor, foaming and setting device, cladding extruder and the second dragger；The foaming and setting device includes foaming and setting mold, high-presure polyurethane foaming machine and die heater.For the utility model compared with existing " two step method ", pipe length is customizable, improves production efficiency, guarantees product quality.Compared with existing " one-step method ", inner tube and polyurethane insulation coating cohesive force are improved, and axial shear strength meets standard requirements, stable and reliable product quality；Polyurethane insulation coating and outer jacket directly contact, and guarantee cohesive force；A dragger is respectively arranged in upstream and downstream, and two dragger differential tractions, guarantee inner tube is straight and centering.
Description
Technical field
The utility model relates to Polyolefin based polyurethane composite insulating pipe field shaping techniques, more particularly to the poly- ammonia of polyolefin
Ester composite insulating pipe one step processing equipment.
Background technique
Polyolefin based polyurethane composite insulating pipe is widely used in the conveying of the secondary pipe network and thermal water of central heating, work
Making pipe has many advantages, such as light-weight, corrosion-resistant, non-scaling, long service life, easy for installation.Currently, the life of polyurethane thermal pipe
Production. art has " one-step method " and " two step method "." two step method " refer to penetrating instrumentation tubes in outer protection tube one by one gather
Urethane heat preservation, low efficiency, foaming is uneven, and is easy to cause to damage to instrumentation tubes during poling." one-step method " refers to
It can be realized the continuous foamed of polyurethane, be not necessarily to poling, production efficiency greatly improves, and reduces artifact.But at this stage " one
Footwork " mainly has following problem: 1, instrumentation tubes and the cohesive force of polyurethane insulation coating are inadequate, and axial shear strength is not achieved
Standard requirements；2, layer of plastic film, polyurethane insulation coating and outer protection tube are generallyd use between polyurethane insulation coating and outer protection tube
Between there is no cohesive force；3, the pattern for mostly using coil pipe to unreel less can guarantee instrumentation tubes pair it cannot be guaranteed that instrumentation tubes are straight
In；4, foaming machine is unstable, the inconsistent problem of same batch foaming effect often occurs.
Utility model content
For the above-mentioned problems in the prior art, the purpose of this utility model is to provide Polyolefin based polyurethane heat preservations
Multiple tube one step processing equipment.
To achieve the above object, the invention adopts the following technical scheme:
Polyolefin based polyurethane composite insulating pipe one step processing equipment, including the polyolefin inner tube being set gradually from left to right
Extruder, vacuum sizing box, shower cooling box, blast drier, the first dragger, plasma processor, foaming and setting device,
Coat extruder and the second dragger；The foaming and setting device includes foaming and setting mold, high-presure polyurethane foaming machine and mould
Warm machine；The die heater is connected with high-presure polyurethane foaming machine, and the high-presure polyurethane foaming machine is equipped with high pressure mixing gun
Head, the high pressure mixing gun head are connected with foaming and setting mold.
The Polyolefin based polyurethane composite insulating pipe one step processing equipment is provided on the right side of second dragger
Cutting machine.
The Polyolefin based polyurethane composite insulating pipe one step processing equipment is provided with stirring on the right side of the cutting machine
Platform.
The Polyolefin based polyurethane composite insulating pipe one step processing equipment, between second dragger and cutting machine
It is provided with infrared ray calibrator.
The Polyolefin based polyurethane composite insulating pipe one step processing equipment, the inside of the foaming and setting mold is coated with
Tetrafluoroethene coating.
Compared with prior art, the utility model has the beneficial effects that the present invention is compared with existing " two step method ", pipe length
It is customizable, production efficiency is improved, guarantees product quality, polyurethane foam is uniform, reduces manually, reduces cost, guarantees the friendship phase.With
Existing " one-step method " is compared, and inner tube and polyurethane insulation coating cohesive force improve, and axial shear strength meets standard requirements, product matter
It measures reliable and stable；Polyurethane insulation coating and outer jacket directly contact, and guarantee cohesive force；Upstream and downstream is respectively arranged a dragger, and two
The traction of platform dragger differential, guarantee inner tube is straight and centering.Molding equipment the operation is stable of the utility model, guarantees same batch
Foaming effect is consistent.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
In figure: 1- polyolefin inner tube extruder, 2- inner tube, 3- vacuum sizing box, 4- shower cooling box, 5- forced air drying
Machine, the first dragger of 6-, 7- plasma processor, 8- high pressure mixing gun head, 9- high-presure polyurethane foaming machine, 10- die heater,
11- foaming and setting mold, 12- cladding extruder, 13- Polyolefin based polyurethane composite insulating pipe, the second dragger of 14-, 15- are infrared
Line calibrator, 16- cutting machine, 17- stirring platform.
Specific embodiment
The utility model is described further combined with specific embodiments below, but the protection scope of the utility model is simultaneously
It is not limited only to this.
As shown in Figure 1, the Polyolefin based polyurethane composite insulating pipe one step processing equipment of the utility model, including from a left side to
Polyolefin inner tube extruder 1 that the right side is set gradually, vacuum sizing box 3, spraying box 4, blast drier 5, the first dragger 6, etc.
Ion processing device 7, foaming and setting device, cladding extruder 12, the second dragger 14, infrared ray calibrator 15,16 and of cutting machine
Stirring platform 17；The foaming and setting device includes foaming and setting mold 11, high-presure polyurethane foaming machine 9 and die heater 10；It is described
Die heater 10 is connected with high-presure polyurethane foaming machine 9, and the high-presure polyurethane foaming machine 9 is equipped with high pressure mixing gun head 8, institute
High pressure mixing gun head 8 is stated to be connected with foaming and setting mold 11.
The molding equipment of the utility model is suitable for the polyolefin inner tube 2 that outer diameter is 25mm-315mm.
The effect of blast drier 5 is the moisture for removing 2 outer surface of polyolefin inner tube, to carry out at the plasma of outer surface
Reason.
The effect of plasma processor 7 is processing 2 outer surface of polyolefin inner tube, by 2 outer surface of polyolefin inner tube from non-pole
Property become polarity, enhance the cohesive force of polyolefin inner tube 2 and polyurethane.
Urethane raw is foamed using full aqueous systems, safety and environmental protection.The effect of high-presure polyurethane foaming machine 9 is that A is expected (group
Close polyethers), B material (isocyanates and polyalcohol) adjust each component ratio, A material: B material=1:1.1- according to different tubing specifications
1:1.5(mass ratio), it is injected in foaming and setting mold 11 by high pressure mixing gun head 8.
The effect of die heater 10 is to control the temperature of isocyanates and polyalcohol in polyurethane, guarantees two components in high pressure
The admixture mixed in pipette tips 8 is constant always, guarantees the stability of polyurethane foam.
The effect of foaming and setting mold 11 is that a cavity is provided for polyurethane foam, guarantees the equal of polyurethane foam thickness
Even property；And guaranteeing that polyurethane foam and foaming and setting mold 11 do not bond, the inside of foaming and setting mold 11 is coated with tetrafluoroethene
Figure layer guarantees that polyurethane does not bond.
Pass through poor (the second dragger of hauling speed of the dragger of front and back two (the first dragger 6 and the second dragger 14)
14 hauling speed is greater than the hauling speed of the first dragger 6), guarantee inner tube 2 in foaming and setting mold 11 in placed in the middle flat
Straight state.
The effect of cladding extruder 12 is outer layer (i.e. insulating layer) the cladding outer jacket in polyurethane foam, the material of outer jacket
Matter is HDPE or PVC, since outer jacket and polyurethane directly contact, guarantees cohesive force.
The effect of infrared ray calibrator 15 is the wall thickness deviation for measuring foaming layer (i.e. insulating layer), guarantees the centering of inner tube 2.
The application method of the utility model, comprising the following steps:
1) polyolefinic raw materials are added to polyolefin inner tube extruder 1, polyolefin inner tube extruder 1 squeezes out inner tube 2, inner tube
2 are downstream drawn by the dragger of front and back two, and the hauling speed of the first dragger 6 is S, the hauling speed of the second dragger 14
For S+0.05m/min, guarantee that inner tube 2 is in straight condition；
2) inner tube 2 is successively dry by 3 sizing of vacuum sizing box, the cooling of shower cooling box 4 and blast drier 5；
3) inner tube 2 is passed through into 7 plasma treatment of plasma processor, 2 outer surface of inner tube is made to become polarity from nonpolarity, increased
The cohesive force of strong inner tube 2 and polyurethane；
4) adjustment die heater 10 is to set temperature, and the A material (combined polyether) and B of polyurethane are expected to (isocyanates and polynary
Alcohol) by the casting die head of 8 mixed injection foaming and setting mold 11 of high pressure mixing gun head, inner tube 2 is passed through into foaming and setting mold
11, then form insulating layer；
5) inner tube 2 is made into a protective layer on foamed good 2 external sheath of inner tube, i.e., by cladding extruder 12
Form Polyolefin based polyurethane composite insulating pipe 13.
6) Polyolefin based polyurethane composite insulating pipe 13 is measured by infrared ray calibrator 15, the wall thickness for measuring insulating layer is inclined
Difference guarantees the centering of inner tube 2.
7) by Polyolefin based polyurethane composite insulating pipe 13 by the cutting of cutting machine 16, formed after 17 stirring of stirring platform straight tube or
The insulating tube finished product of coil pipe.
Claims (5)
1. Polyolefin based polyurethane composite insulating pipe one step processing equipment, which is characterized in that including what is be set gradually from left to right
Polyolefin inner tube extruder (1), vacuum sizing box (3), shower cooling box (4), blast drier (5), the first dragger (6),
Plasma processor (7), foaming and setting device, cladding extruder (12) and the second dragger (14)；The foaming and setting device
Including foaming and setting mold (11), high-presure polyurethane foaming machine (9) and die heater (10)；The die heater (10) and polyurethane are high
Foam machine (9) is connected, and the high-presure polyurethane foaming machine (9) is equipped with high pressure mixing gun head (8), the high pressure mixing gun
Head (8) is connected with foaming and setting mold (11).
2. Polyolefin based polyurethane composite insulating pipe one step processing equipment according to claim 1, which is characterized in that described
Cutting machine (16) are provided on the right side of second dragger (14).
3. Polyolefin based polyurethane composite insulating pipe one step processing equipment according to claim 2, which is characterized in that described
Stirring platform (17) are provided on the right side of cutting machine (16).
4. Polyolefin based polyurethane composite insulating pipe one step processing equipment according to claim 2, which is characterized in that described
Infrared ray calibrator (15) are provided between second dragger (14) and cutting machine (16).
5. Polyolefin based polyurethane composite insulating pipe one step processing equipment according to claim 1, which is characterized in that described
The inside of foaming and setting mold (11) is coated with tetrafluoroethene coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920027435.3U CN209534210U (en) | 2019-01-08 | 2019-01-08 | Polyolefin based polyurethane composite insulating pipe one step processing equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920027435.3U CN209534210U (en) | 2019-01-08 | 2019-01-08 | Polyolefin based polyurethane composite insulating pipe one step processing equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209534210U true CN209534210U (en) | 2019-10-25 |
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ID=68268800
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920027435.3U Active CN209534210U (en) | 2019-01-08 | 2019-01-08 | Polyolefin based polyurethane composite insulating pipe one step processing equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109551776A (en) * | 2019-01-08 | 2019-04-02 | 浙江伟星新型建材股份有限公司 | Polyolefin based polyurethane composite insulating pipe one step processing equipment and technique |
-
2019
- 2019-01-08 CN CN201920027435.3U patent/CN209534210U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109551776A (en) * | 2019-01-08 | 2019-04-02 | 浙江伟星新型建材股份有限公司 | Polyolefin based polyurethane composite insulating pipe one step processing equipment and technique |
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