CN106738759A - Polyurethane tubing extrusion molding system - Google Patents
Polyurethane tubing extrusion molding system Download PDFInfo
- Publication number
- CN106738759A CN106738759A CN201611187791.9A CN201611187791A CN106738759A CN 106738759 A CN106738759 A CN 106738759A CN 201611187791 A CN201611187791 A CN 201611187791A CN 106738759 A CN106738759 A CN 106738759A
- Authority
- CN
- China
- Prior art keywords
- water tank
- extrusion molding
- molding system
- extruder
- tubing
- 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.)
- Pending
Links
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
- B29C48/001—Combinations of extrusion moulding with other shaping operations
- B29C48/0022—Combinations of extrusion moulding with other shaping operations combined with cutting
-
- 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
- B29C48/025—General arrangement or layout of plant
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2075/00—Use of PU, i.e. polyureas or polyurethanes or derivatives thereof, as moulding material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2023/00—Tubular articles
- B29L2023/22—Tubes or pipes, i.e. rigid
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The invention discloses a kind of polyurethane tubing extrusion molding system, including extruder, water tank, the hauling machine for drawing and stretching, the cutting rack for severing for cooling down being sequentially connected, and positioned at the rewinding case of cutting rack tail end, it is characterised in that：Vacuum sizing box is provided between described extruder and water tank, and be provided between vacuum sizing box and water tank for the tubing support after sizing, the support wheel and guide wheel of guiding, the structure of the polyurethane tubing extrusion molding system is unusual, that it changes conventional water tank and the pattern of vacuum sizing device integral type, vacuum sizing box is separately provided, and between extruder and water tank, it is easy to the defect of tubing of the observation from vacuum sizing box out in time, also allow for adjusting extruder in time, avoid percent defective problem high, improve efficiency simultaneously, reduce production cost.
Description
Technical field
Patent of the present invention is related to a kind of tubing production and processing technical field, and especially one kind is squeezed for polyurethane tubing
Go out the extrusion molding system of processing and forming.
Background technology
Extrusion molding is one of important forming method of the processing such as plastics, macromolecular material, is accounted in tube forming processing
There is critical role, most of thermoplastic can be processed using the method for extrusion molding.Extrusion molding has following features：
Forming process is continuous, thus its production process is typically also continuous, and its production efficiency is high, applied widely, small investment,
Instant effect.
Polyurethane tubing has many good characteristics, including：Performance adjustable extent is wide, strong adaptability, anti-wear performance are good；Machine
Tool intensity is big；Adhesive property is good；Elasticity is good, and with excellent restoration, low temperature flexibility is good；Good weatherability, service life is up to
15 ~ 20 years；Oil resistivity is good；Resistance to biological aging；It is moderate.Polyurethane tubing is also widely used in each field.
Current polyurethane tubing formation system be typically all by be sequentially connected extruder, cooling calibrator, hauling machine,
Cutting machine and material collecting device are constituted, and the hyperpyrexia tubing of extruder extrusion is sent directly into cooling calibrator, while cooling
Heat treatment, but, it is made up of cooling water tank more long and vacuum deciding grade and level mechanism because cooling calibrator is general, hyperpyrexia tubing exists
The distance of walking is very big in cooling calibrator, when pit, bubble, breakthrough material situation occurs in tubing, only from cooling calibrator
In out after can just see, now defective tubing extruded from extruder very over long distances, as operating personnel from cooling
After defect is seen in the exit of forming machine, just go to adjust extruder parameter, so, it is impossible to be immediately seen from outlet of extruder scarce
Fall into, it is impossible to adjust extruder parameter in time, resulted in a large amount of wastes of shaping pipe, time-consuming, idle work is more, rework rate
Greatly, efficiency is low, yields poorly.
The content of the invention
For the problems of the prior art, the invention aims to provide a kind of polyurethane tubing extrusion molding system,
It is allowed to easily controllable with product quality, improves the effect of production efficiency.
In order to achieve the above object, the technical scheme is that：
A kind of polyurethane tubing extrusion molding system, including be sequentially connected extruder, for cool down water tank, for draw and
Hauling machine, the cutting rack for severing for stretching, and positioned at the rewinding case of cutting rack tail end, it is characterised in that：Described squeezes
Go out to be provided between machine and water tank between vacuum sizing box, and vacuum sizing box and water tank and be provided with for the tubing after sizing
Support, the support wheel and guide wheel that are oriented to.
Further, described extruder includes hopper, extrusion screw rod, the mould installed in discharging opening installed in charging aperture
Head, and installed in the heater of extruder periphery.
Further, sizing bucket is provided with described vacuum sizing box, is provided with sizing bucket bucket wall multiple uniform
Vacuumize hole.
Further, water tank is common cooling water case, and water inlet and delivery port are provided with water tank, and water tank tail end sets
It is equipped with and dries block and water receiving tank.
Further, described hauling machine is conventional belt formula hauling machine, and it is by circulating upper feed belt and lower transmission
Belt is constituted, and leaves the space passed through for plastics between upper feed belt and lower feed belt.
Further, described cutting rack 5 includes saw blade cutting machine and the support body for fixing saw blade cutting machine.
Compared with prior art, the structure of the polyurethane tubing extrusion molding system that the present invention is provided is unusual, and it changes
Become the pattern of conventional water tank and vacuum sizing device integral type, vacuum sizing box be separately provided, and positioned at extruder and
Between water tank, it is easy to the defect of tubing of the observation from vacuum sizing box out in time, also allows for adjusting extruder in time, it is to avoid
Percent defective problem high, while improve efficiency, reduces production cost.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
The accompanying drawing to be used needed for having technology description is briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Accompanying drawing 1 is the structure principle chart of this polyurethane tubing extrusion molding system.
Specific embodiment
The present invention is further described with reference to the accompanying drawings and examples.
As shown in figure 1, the polyurethane tubing extrusion molding system, including be sequentially connected is tubing by raw material extrusion molding
Extruder 1, for extrude tubing cooling water tank 3, for the vacuum sizing box 2 to tubing sizing processing, for leading
Draw and stretch the hauling machine 4 of tubing, the cutting rack 5 for severing tubing, and positioned at the rewinding case 6 of the tail end of cutting rack 5, vacuum
It is provided between sizing tank 2 and water tank 3 for tubing support, the support wheel 22 and guide wheel 21 that are oriented to after sizing.Its is specific
During work, extruder 1 includes hopper 11, extrusion screw rod, the die head 12 installed in discharging opening installed in charging aperture, and installs
In the heater 13 of the periphery of extruder 1.In the cavity that polyurethane particles material enters into extrusion screw rod in hopper 11, external electrical
Machine drives extrusion screw rod that polyurethane particles material is extruded to the direction of die head 12 in cavity, by heating during extruding
Device 13 heats to cavity, is polyurethane particles material melts, and is tubing by the extrusion molding of die head 12, subsequently enters into
Sizing processing is carried out in vacuum sizing box 2, sizing bucket is provided with vacuum sizing box 2, multiple is provided with sizing bucket bucket wall
Uniform vacuumizes hole, after the tubing of extrusion molding is entered into sizing bucket, by outside vacuum extractor and vacuumizes hole, right
The vacuumize process of vacuum sizing box 2, so as to reach the effect of sizing, in Sizing Process is vacuumized, if the pipe of extrusion molding
There is the defects such as breakpoint, bubble in material, when sizing is vacuumized, these defects can all occur, then by vacuum sizing box 2 out
Part, can intuitively see the defect, then shutdown adjustment extruder 1, support wheel 22 and guide wheel 21 serve guiding branch
Support is acted on, and is easy to be delivered to the tubing from vacuum sizing box 2 out in water tank 3, and being additionally, since vacuum sizing box 2 is not
It is contained in water tank 3, but has certain distance between water tank 3, so, is needed through the tubing after the sizing processing of vacuum sizing box 2
Can just enter cooling in water tank 3 by one section of exposed air section, and in this section of exposed air section, the defect of observable tubing, just
In adjustment extruder in time, overcome conventional by can just see defect after complete water tank more long, extrusion could be adjusted
Machine, waste of time, reduces efficiency, the drawbacks of yield rate is low.And, water tank 3 is common cooling water case, and is set on water tank 3
There are water inlet and delivery port, water circulation during by water inlet and delivery port in water tank 3 is realized to continuously entering in the water tank 3
The purpose that is cooled down of heat pipe material, and the tail end of water tank 3 is provided with and dries block 31 and water receiving tank 32, due to going out from water tank 3
The tube surfaces come speckle with moisture, easily low to fall to the ground, ground of making dirty, and the hauling machine 4 that can get wet follow-up, dry block
Wipe-drying device is provided with 31, the moisture on tubing circumference can be wiped, and dropped onto in following water receiving tank 32, will not be by
Moisture takes on follow-up hauling machine 4 or drops onto on the ground.Hauling machine 4 is conventional belt formula hauling machine, and it is by circulating upload
Send belt and lower feed belt to constitute, and the space passed through for plastics is left between upper feed belt and lower feed belt, it is outside
Motor and transmission mechanism be connected on feed belt and lower feed belt, drive the two opposite direction rotating, so as to
Tubing is toward rear haulage.Cutting rack 5 includes saw blade cutting machine and the support body for fixing saw blade cutting machine, and external motor drives saw blade
Tubing fixed length cutting is completed operation by cutting machine.
During specific works, manually by polyurethane particles material import hopper 11 in, the extruded machine 1 of polyurethane particles material squeeze
Pressure, heating, high temperature tubing is exported into from die head 12, and high temperature tubing is subsequently into sizing processing, external vacuum in vacuum sizing box 2
Machine completes sizing work to it, tubing after continuous sizing subsequently into cooling treatment in water tank 3, then into hauling machine 4
Traction is stretched, and enters back into the tubing that the inscribe of cutting rack 5 is cut into certain length, completes operation.
It is understood that above with respect to specific descriptions of the invention, being merely to illustrate the present invention and being not limited to this
Technical scheme described by inventive embodiments, it will be understood by those within the art that, still the present invention can be carried out
Modification or equivalent, to reach identical technique effect；As long as satisfaction use needs, all protection scope of the present invention it
It is interior.
Claims (6)
1. a kind of polyurethane tubing extrusion molding system, including the extruder being sequentially connected（1）, for cool down water tank（3）, use
In the hauling machine for drawing and stretch（4）, for the cutting rack of severing（5）, and positioned at cutting rack（5）The rewinding case of tail end（6）,
It is characterized in that：Described extruder（1）And water tank（3）Between be provided with vacuum sizing box（2）, and vacuum sizing box（2）With
Water tank（3）Between be provided with for after sizing tubing support, be oriented to support wheel（2）（2）And guide wheel（21）.
2. a kind of polyurethane tubing extrusion molding system according to claim 1, it is characterised in that：Described extruder
（1）Including the hopper installed in charging aperture（11）, extrusion screw rod, the die head installed in discharging opening（12）, and installed in extrusion
Machine（1）The heater of periphery（13）.
3. a kind of polyurethane tubing extrusion molding system according to claim 1, it is characterised in that：Described vacuum sizing
Case（2）In be provided with sizing bucket, be provided with sizing bucket bucket wall and multiple uniform vacuumize hole.
4. a kind of polyurethane tubing extrusion molding system according to claim 1, it is characterised in that：Water tank（3）For common
Cooling water case, and water tank（3）On be provided with water inlet and delivery port, water tank（3）Tail end is provided with dries block（31）And water receiving
Groove（32）.
5. a kind of polyurethane tubing extrusion molding system according to claim 1, it is characterised in that：Described hauling machine
（4）Be conventional belt formula hauling machine, it is made up of circulating upper feed belt and lower feed belt, and upper feed belt and under pass
Send and leave the space passed through for plastics between belt.
6. a kind of polyurethane tubing extrusion molding system according to claim 1, it is characterised in that：Described cutting rack
（5）Support body including saw blade cutting machine and for fixing saw blade cutting machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611187791.9A CN106738759A (en) | 2016-12-21 | 2016-12-21 | Polyurethane tubing extrusion molding system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611187791.9A CN106738759A (en) | 2016-12-21 | 2016-12-21 | Polyurethane tubing extrusion molding system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106738759A true CN106738759A (en) | 2017-05-31 |
Family
ID=58894220
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611187791.9A Pending CN106738759A (en) | 2016-12-21 | 2016-12-21 | Polyurethane tubing extrusion molding system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106738759A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107599339A (en) * | 2017-11-03 | 2018-01-19 | 广西金盛科技发展有限公司 | Extruded pipe production line |
-
2016
- 2016-12-21 CN CN201611187791.9A patent/CN106738759A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107599339A (en) * | 2017-11-03 | 2018-01-19 | 广西金盛科技发展有限公司 | Extruded pipe production line |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170531 |